diff options
Diffstat (limited to 'drivers/net/ixgbe')
24 files changed, 2517 insertions, 1328 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 3b8c924..8d46802 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -118,6 +118,7 @@ struct vf_data_storage { bool pf_set_mac; u16 pf_vlan; /* When set, guest VLAN config not allowed. */ u16 pf_qos; + u16 tx_rate; }; /* wrapper around a pointer to a socket buffer, @@ -209,6 +210,7 @@ struct ixgbe_ring { * associated with this ring, which is * different for DCB and RSS modes */ + u8 dcb_tc; u16 work_limit; /* max work per interrupt */ @@ -243,7 +245,7 @@ enum ixgbe_ring_f_enum { RING_F_ARRAY_SIZE /* must be last in enum set */ }; -#define IXGBE_MAX_DCB_INDICES 8 +#define IXGBE_MAX_DCB_INDICES 64 #define IXGBE_MAX_RSS_INDICES 16 #define IXGBE_MAX_VMDQ_INDICES 64 #define IXGBE_MAX_FDIR_INDICES 64 @@ -334,9 +336,14 @@ struct ixgbe_adapter { u16 bd_number; struct work_struct reset_task; struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS]; + + /* DCB parameters */ + struct ieee_pfc *ixgbe_ieee_pfc; + struct ieee_ets *ixgbe_ieee_ets; struct ixgbe_dcb_config dcb_cfg; struct ixgbe_dcb_config temp_dcb_cfg; u8 dcb_set_bitmap; + u8 dcbx_cap; enum ixgbe_fc_mode last_lfc_mode; /* Interrupt Throttle Rate */ @@ -462,6 +469,7 @@ struct ixgbe_adapter { DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS); unsigned int num_vfs; struct vf_data_storage *vfinfo; + int vf_rate_link_speed; }; enum ixbge_state_t { @@ -521,7 +529,6 @@ extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *, extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16); extern void ixgbe_write_eitr(struct ixgbe_q_vector *); extern int ethtool_ioctl(struct ifreq *ifr); -extern u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 index); extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc); extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc); @@ -538,6 +545,7 @@ extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter, struct ixgbe_ring *ring); extern void ixgbe_set_rx_mode(struct net_device *netdev); +extern int ixgbe_setup_tc(struct net_device *dev, u8 tc); #ifdef IXGBE_FCOE extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter); extern int ixgbe_fso(struct ixgbe_adapter *adapter, @@ -549,6 +557,8 @@ extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, struct sk_buff *skb); extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, struct scatterlist *sgl, unsigned int sgc); +extern int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid, + struct scatterlist *sgl, unsigned int sgc); extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid); extern int ixgbe_fcoe_enable(struct net_device *netdev); extern int ixgbe_fcoe_disable(struct net_device *netdev); diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c index d0f1d9d..845c679 100644 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ b/drivers/net/ixgbe/ixgbe_82598.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -158,6 +158,7 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) switch (hw->phy.type) { case ixgbe_phy_tn: + phy->ops.setup_link = &ixgbe_setup_phy_link_tnx; phy->ops.check_link = &ixgbe_check_phy_link_tnx; phy->ops.get_firmware_version = &ixgbe_get_phy_firmware_version_tnx; @@ -280,10 +281,22 @@ static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) { enum ixgbe_media_type media_type; + /* Detect if there is a copper PHY attached. */ + switch (hw->phy.type) { + case ixgbe_phy_cu_unknown: + case ixgbe_phy_tn: + case ixgbe_phy_aq: + media_type = ixgbe_media_type_copper; + goto out; + default: + break; + } + /* Media type for I82598 is based on device ID */ switch (hw->device_id) { case IXGBE_DEV_ID_82598: case IXGBE_DEV_ID_82598_BX: + /* Default device ID is mezzanine card KX/KX4 */ media_type = ixgbe_media_type_backplane; break; case IXGBE_DEV_ID_82598AF_DUAL_PORT: @@ -306,7 +319,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) media_type = ixgbe_media_type_unknown; break; } - +out: return media_type; } @@ -354,7 +367,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) /* Negotiate the fc mode to use */ ret_val = ixgbe_fc_autoneg(hw); - if (ret_val) + if (ret_val == IXGBE_ERR_FLOW_CONTROL) goto out; /* Disable any previous flow control settings */ @@ -372,10 +385,10 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) * 2: Tx flow control is enabled (we can send pause frames but * we do not support receiving pause frames). * 3: Both Rx and Tx flow control (symmetric) are enabled. - * other: Invalid. #ifdef CONFIG_DCB * 4: Priority Flow Control is enabled. #endif + * other: Invalid. */ switch (hw->fc.current_mode) { case ixgbe_fc_none: @@ -432,9 +445,10 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) reg = (rx_pba_size - hw->fc.low_water) << 6; if (hw->fc.send_xon) reg |= IXGBE_FCRTL_XONE; + IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num), reg); - reg = (rx_pba_size - hw->fc.high_water) << 10; + reg = (rx_pba_size - hw->fc.high_water) << 6; reg |= IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg); @@ -627,13 +641,12 @@ out: return 0; } - /** * ixgbe_setup_mac_link_82598 - Set MAC link speed * @hw: pointer to hardware structure * @speed: new link speed * @autoneg: true if auto-negotiation enabled - * @autoneg_wait_to_complete: true if waiting is needed to complete + * @autoneg_wait_to_complete: true when waiting for completion is needed * * Set the link speed in the AUTOC register and restarts link. **/ @@ -672,7 +685,8 @@ static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, * ixgbe_hw This will write the AUTOC register based on the new * stored values */ - status = ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); + status = ixgbe_start_mac_link_82598(hw, + autoneg_wait_to_complete); } return status; @@ -698,7 +712,6 @@ static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, /* Setup the PHY according to input speed */ status = hw->phy.ops.setup_link_speed(hw, speed, autoneg, autoneg_wait_to_complete); - /* Set up MAC */ ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); @@ -770,7 +783,6 @@ static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) else if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT) goto no_phy_reset; - hw->phy.ops.reset(hw); } @@ -779,12 +791,9 @@ no_phy_reset: * Prevent the PCI-E bus from from hanging by disabling PCI-E master * access and verify no pending requests before reset */ - status = ixgbe_disable_pcie_master(hw); - if (status != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } + ixgbe_disable_pcie_master(hw); +mac_reset_top: /* * Issue global reset to the MAC. This needs to be a SW reset. * If link reset is used, it might reset the MAC when mng is using it @@ -805,6 +814,19 @@ no_phy_reset: hw_dbg(hw, "Reset polling failed to complete.\n"); } + /* + * Double resets are required for recovery from certain error + * conditions. Between resets, it is necessary to stall to allow time + * for any pending HW events to complete. We use 1usec since that is + * what is needed for ixgbe_disable_pcie_master(). The second reset + * then clears out any effects of those events. + */ + if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { + hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; + udelay(1); + goto mac_reset_top; + } + msleep(50); gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR); @@ -824,15 +846,15 @@ no_phy_reset: IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc); } + /* Store the permanent mac address */ + hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); + /* * Store MAC address from RAR0, clear receive address registers, and * clear the multicast table */ hw->mac.ops.init_rx_addrs(hw); - /* Store the permanent mac address */ - hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); - reset_hw_out: if (phy_status) status = phy_status; @@ -849,6 +871,13 @@ reset_hw_out: static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { u32 rar_high; + u32 rar_entries = hw->mac.num_rar_entries; + + /* Make sure we are using a valid rar index range */ + if (rar >= rar_entries) { + hw_dbg(hw, "RAR index %d is out of range.\n", rar); + return IXGBE_ERR_INVALID_ARGUMENT; + } rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); rar_high &= ~IXGBE_RAH_VIND_MASK; @@ -868,14 +897,17 @@ static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) u32 rar_high; u32 rar_entries = hw->mac.num_rar_entries; - if (rar < rar_entries) { - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); - if (rar_high & IXGBE_RAH_VIND_MASK) { - rar_high &= ~IXGBE_RAH_VIND_MASK; - IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); - } - } else { + + /* Make sure we are using a valid rar index range */ + if (rar >= rar_entries) { hw_dbg(hw, "RAR index %d is out of range.\n", rar); + return IXGBE_ERR_INVALID_ARGUMENT; + } + + rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); + if (rar_high & IXGBE_RAH_VIND_MASK) { + rar_high &= ~IXGBE_RAH_VIND_MASK; + IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); } return 0; @@ -994,13 +1026,12 @@ static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) } /** - * ixgbe_read_i2c_eeprom_82598 - Read 8 bit EEPROM word of an SFP+ module - * over I2C interface through an intermediate phy. + * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface. * @hw: pointer to hardware structure * @byte_offset: EEPROM byte offset to read * @eeprom_data: value read * - * Performs byte read operation to SFP module's EEPROM over I2C interface. + * Performs 8 byte read operation to SFP module's EEPROM over I2C interface. **/ static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, u8 *eeprom_data) @@ -1074,10 +1105,12 @@ static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw) /* Copper PHY must be checked before AUTOC LMS to determine correct * physical layer because 10GBase-T PHYs use LMS = KX4/KX */ - if (hw->phy.type == ixgbe_phy_tn || - hw->phy.type == ixgbe_phy_cu_unknown) { - hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, - &ext_ability); + switch (hw->phy.type) { + case ixgbe_phy_tn: + case ixgbe_phy_aq: + case ixgbe_phy_cu_unknown: + hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, + MDIO_MMD_PMAPMD, &ext_ability); if (ext_ability & MDIO_PMA_EXTABLE_10GBT) physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; if (ext_ability & MDIO_PMA_EXTABLE_1000BT) @@ -1085,6 +1118,8 @@ static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw) if (ext_ability & MDIO_PMA_EXTABLE_100BTX) physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; goto out; + default: + break; } switch (autoc & IXGBE_AUTOC_LMS_MASK) { @@ -1179,13 +1214,14 @@ static struct ixgbe_mac_operations mac_ops_82598 = { .set_vmdq = &ixgbe_set_vmdq_82598, .clear_vmdq = &ixgbe_clear_vmdq_82598, .init_rx_addrs = &ixgbe_init_rx_addrs_generic, - .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, .enable_mc = &ixgbe_enable_mc_generic, .disable_mc = &ixgbe_disable_mc_generic, .clear_vfta = &ixgbe_clear_vfta_82598, .set_vfta = &ixgbe_set_vfta_82598, .fc_enable = &ixgbe_fc_enable_82598, + .acquire_swfw_sync = &ixgbe_acquire_swfw_sync, + .release_swfw_sync = &ixgbe_release_swfw_sync, }; static struct ixgbe_eeprom_operations eeprom_ops_82598 = { diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c index a21f581..00aeba3 100644 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ b/drivers/net/ixgbe/ixgbe_82599.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -112,7 +112,8 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw) goto setup_sfp_out; /* PHY config will finish before releasing the semaphore */ - ret_val = ixgbe_acquire_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); + ret_val = hw->mac.ops.acquire_swfw_sync(hw, + IXGBE_GSSR_MAC_CSR_SM); if (ret_val != 0) { ret_val = IXGBE_ERR_SWFW_SYNC; goto setup_sfp_out; @@ -329,11 +330,14 @@ static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw) enum ixgbe_media_type media_type; /* Detect if there is a copper PHY attached. */ - if (hw->phy.type == ixgbe_phy_cu_unknown || - hw->phy.type == ixgbe_phy_tn || - hw->phy.type == ixgbe_phy_aq) { + switch (hw->phy.type) { + case ixgbe_phy_cu_unknown: + case ixgbe_phy_tn: + case ixgbe_phy_aq: media_type = ixgbe_media_type_copper; goto out; + default: + break; } switch (hw->device_id) { @@ -354,6 +358,9 @@ static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw) case IXGBE_DEV_ID_82599_CX4: media_type = ixgbe_media_type_cx4; break; + case IXGBE_DEV_ID_82599_T3_LOM: + media_type = ixgbe_media_type_copper; + break; default: media_type = ixgbe_media_type_unknown; break; @@ -411,14 +418,14 @@ static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, return status; } - /** - * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser - * @hw: pointer to hardware structure - * - * The base drivers may require better control over SFP+ module - * PHY states. This includes selectively shutting down the Tx - * laser on the PHY, effectively halting physical link. - **/ +/** + * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser + * @hw: pointer to hardware structure + * + * The base drivers may require better control over SFP+ module + * PHY states. This includes selectively shutting down the Tx + * laser on the PHY, effectively halting physical link. + **/ static void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) { u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); @@ -463,8 +470,6 @@ static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) **/ static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) { - hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n"); - if (hw->mac.autotry_restart) { ixgbe_disable_tx_laser_multispeed_fiber(hw); ixgbe_enable_tx_laser_multispeed_fiber(hw); @@ -487,17 +492,21 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, bool autoneg_wait_to_complete) { s32 status = 0; - ixgbe_link_speed phy_link_speed; + ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN; ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN; u32 speedcnt = 0; u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); + u32 i = 0; bool link_up = false; bool negotiation; - int i; /* Mask off requested but non-supported speeds */ - hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation); - speed &= phy_link_speed; + status = hw->mac.ops.get_link_capabilities(hw, &link_speed, + &negotiation); + if (status != 0) + return status; + + speed &= link_speed; /* * Try each speed one by one, highest priority first. We do this in @@ -508,9 +517,12 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL; /* If we already have link at this speed, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); + status = hw->mac.ops.check_link(hw, &link_speed, &link_up, + false); + if (status != 0) + return status; - if ((phy_link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up) + if ((link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up) goto out; /* Set the module link speed */ @@ -522,9 +534,9 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, msleep(40); status = ixgbe_setup_mac_link_82599(hw, - IXGBE_LINK_SPEED_10GB_FULL, - autoneg, - autoneg_wait_to_complete); + IXGBE_LINK_SPEED_10GB_FULL, + autoneg, + autoneg_wait_to_complete); if (status != 0) return status; @@ -536,14 +548,16 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, * Section 73.10.2, we may have to wait up to 500ms if KR is * attempted. 82599 uses the same timing for 10g SFI. */ - for (i = 0; i < 5; i++) { /* Wait for the link partner to also set speed */ msleep(100); /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, - &link_up, false); + status = hw->mac.ops.check_link(hw, &link_speed, + &link_up, false); + if (status != 0) + return status; + if (link_up) goto out; } @@ -555,9 +569,12 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL; /* If we already have link at this speed, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); + status = hw->mac.ops.check_link(hw, &link_speed, &link_up, + false); + if (status != 0) + return status; - if ((phy_link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up) + if ((link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up) goto out; /* Set the module link speed */ @@ -570,9 +587,9 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, msleep(40); status = ixgbe_setup_mac_link_82599(hw, - IXGBE_LINK_SPEED_1GB_FULL, - autoneg, - autoneg_wait_to_complete); + IXGBE_LINK_SPEED_1GB_FULL, + autoneg, + autoneg_wait_to_complete); if (status != 0) return status; @@ -583,7 +600,11 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, msleep(100); /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); + status = hw->mac.ops.check_link(hw, &link_speed, &link_up, + false); + if (status != 0) + return status; + if (link_up) goto out; } @@ -626,13 +647,10 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, bool autoneg_wait_to_complete) { s32 status = 0; - ixgbe_link_speed link_speed; + ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN; s32 i, j; bool link_up = false; u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - struct ixgbe_adapter *adapter = hw->back; - - hw_dbg(hw, "ixgbe_setup_mac_link_smartspeed.\n"); /* Set autoneg_advertised value based on input link speed */ hw->phy.autoneg_advertised = 0; @@ -658,7 +676,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) { status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, autoneg_wait_to_complete); - if (status) + if (status != 0) goto out; /* @@ -671,8 +689,11 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, mdelay(100); /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &link_speed, - &link_up, false); + status = hw->mac.ops.check_link(hw, &link_speed, + &link_up, false); + if (status != 0) + goto out; + if (link_up) goto out; } @@ -690,7 +711,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, hw->phy.smart_speed_active = true; status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, autoneg_wait_to_complete); - if (status) + if (status != 0) goto out; /* @@ -703,8 +724,11 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, mdelay(100); /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &link_speed, - &link_up, false); + status = hw->mac.ops.check_link(hw, &link_speed, + &link_up, false); + if (status != 0) + goto out; + if (link_up) goto out; } @@ -716,7 +740,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, out: if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL)) - e_info(hw, "Smartspeed has downgraded the link speed from " + hw_dbg(hw, "Smartspeed has downgraded the link speed from " "the maximum advertised\n"); return status; } @@ -748,6 +772,9 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, /* Check to see if speed passed in is supported. */ hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg); + if (status != 0) + goto out; + speed &= link_capabilities; if (speed == IXGBE_LINK_SPEED_UNKNOWN) { @@ -761,7 +788,6 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, else orig_autoc = autoc; - if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR || link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { @@ -878,7 +904,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) /* PHY ops must be identified and initialized prior to reset */ - /* Init PHY and function pointers, perform SFP setup */ + /* Identify PHY and related function pointers */ status = hw->phy.ops.init(hw); if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) @@ -890,6 +916,9 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) hw->phy.sfp_setup_needed = false; } + if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) + goto reset_hw_out; + /* Reset PHY */ if (hw->phy.reset_disable == false && hw->phy.ops.reset != NULL) hw->phy.ops.reset(hw); @@ -898,12 +927,9 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) * Prevent the PCI-E bus from from hanging by disabling PCI-E master * access and verify no pending requests before reset */ - status = ixgbe_disable_pcie_master(hw); - if (status != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } + ixgbe_disable_pcie_master(hw); +mac_reset_top: /* * Issue global reset to the MAC. This needs to be a SW reset. * If link reset is used, it might reset the MAC when mng is using it @@ -924,6 +950,19 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) hw_dbg(hw, "Reset polling failed to complete.\n"); } + /* + * Double resets are required for recovery from certain error + * conditions. Between resets, it is necessary to stall to allow time + * for any pending HW events to complete. We use 1usec since that is + * what is needed for ixgbe_disable_pcie_master(). The second reset + * then clears out any effects of those events. + */ + if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { + hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; + udelay(1); + goto mac_reset_top; + } + msleep(50); /* @@ -951,6 +990,9 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) } } + /* Store the permanent mac address */ + hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); + /* * Store MAC address from RAR0, clear receive address registers, and * clear the multicast table. Also reset num_rar_entries to 128, @@ -959,9 +1001,6 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) hw->mac.num_rar_entries = 128; hw->mac.ops.init_rx_addrs(hw); - /* Store the permanent mac address */ - hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); - /* Store the permanent SAN mac address */ hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr); @@ -1733,13 +1772,34 @@ static s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw) * @hw: pointer to hardware structure * * Determines the physical layer module found on the current adapter. + * If PHY already detected, maintains current PHY type in hw struct, + * otherwise executes the PHY detection routine. **/ -static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw) +s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw) { s32 status = IXGBE_ERR_PHY_ADDR_INVALID; + + /* Detect PHY if not unknown - returns success if already detected. */ status = ixgbe_identify_phy_generic(hw); - if (status != 0) - status = ixgbe_identify_sfp_module_generic(hw); + if (status != 0) { + /* 82599 10GBASE-T requires an external PHY */ + if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_copper) + goto out; + else + status = ixgbe_identify_sfp_module_generic(hw); + } + + /* Set PHY type none if no PHY detected */ + if (hw->phy.type == ixgbe_phy_unknown) { + hw->phy.type = ixgbe_phy_none; + status = 0; + } + + /* Return error if SFP module has been detected but is not supported */ + if (hw->phy.type == ixgbe_phy_sfp_unsupported) + status = IXGBE_ERR_SFP_NOT_SUPPORTED; + +out: return status; } @@ -1763,11 +1823,12 @@ static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw) hw->phy.ops.identify(hw); - if (hw->phy.type == ixgbe_phy_tn || - hw->phy.type == ixgbe_phy_aq || - hw->phy.type == ixgbe_phy_cu_unknown) { + switch (hw->phy.type) { + case ixgbe_phy_tn: + case ixgbe_phy_aq: + case ixgbe_phy_cu_unknown: hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, - &ext_ability); + &ext_ability); if (ext_ability & MDIO_PMA_EXTABLE_10GBT) physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; if (ext_ability & MDIO_PMA_EXTABLE_1000BT) @@ -1775,6 +1836,8 @@ static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw) if (ext_ability & MDIO_PMA_EXTABLE_100BTX) physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; goto out; + default: + break; } switch (autoc & IXGBE_AUTOC_LMS_MASK) { @@ -1886,6 +1949,7 @@ static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval) if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY) break; else + /* Use interrupt-safe sleep just in case */ udelay(10); } @@ -1995,7 +2059,6 @@ static struct ixgbe_mac_operations mac_ops_82599 = { .set_vmdq = &ixgbe_set_vmdq_generic, .clear_vmdq = &ixgbe_clear_vmdq_generic, .init_rx_addrs = &ixgbe_init_rx_addrs_generic, - .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, .enable_mc = &ixgbe_enable_mc_generic, .disable_mc = &ixgbe_disable_mc_generic, @@ -2006,31 +2069,34 @@ static struct ixgbe_mac_operations mac_ops_82599 = { .setup_sfp = &ixgbe_setup_sfp_modules_82599, .set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, .set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, + .acquire_swfw_sync = &ixgbe_acquire_swfw_sync, + .release_swfw_sync = &ixgbe_release_swfw_sync, + }; static struct ixgbe_eeprom_operations eeprom_ops_82599 = { - .init_params = &ixgbe_init_eeprom_params_generic, - .read = &ixgbe_read_eerd_generic, - .write = &ixgbe_write_eeprom_generic, - .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, - .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, - .update_checksum = &ixgbe_update_eeprom_checksum_generic, + .init_params = &ixgbe_init_eeprom_params_generic, + .read = &ixgbe_read_eerd_generic, + .write = &ixgbe_write_eeprom_generic, + .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, + .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, + .update_checksum = &ixgbe_update_eeprom_checksum_generic, }; static struct ixgbe_phy_operations phy_ops_82599 = { - .identify = &ixgbe_identify_phy_82599, - .identify_sfp = &ixgbe_identify_sfp_module_generic, - .init = &ixgbe_init_phy_ops_82599, - .reset = &ixgbe_reset_phy_generic, - .read_reg = &ixgbe_read_phy_reg_generic, - .write_reg = &ixgbe_write_phy_reg_generic, - .setup_link = &ixgbe_setup_phy_link_generic, - .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, - .read_i2c_byte = &ixgbe_read_i2c_byte_generic, - .write_i2c_byte = &ixgbe_write_i2c_byte_generic, - .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, - .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, - .check_overtemp = &ixgbe_tn_check_overtemp, + .identify = &ixgbe_identify_phy_82599, + .identify_sfp = &ixgbe_identify_sfp_module_generic, + .init = &ixgbe_init_phy_ops_82599, + .reset = &ixgbe_reset_phy_generic, + .read_reg = &ixgbe_read_phy_reg_generic, + .write_reg = &ixgbe_write_phy_reg_generic, + .setup_link = &ixgbe_setup_phy_link_generic, + .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, + .read_i2c_byte = &ixgbe_read_i2c_byte_generic, + .write_i2c_byte = &ixgbe_write_i2c_byte_generic, + .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, + .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, + .check_overtemp = &ixgbe_tn_check_overtemp, }; struct ixgbe_info ixgbe_82599_info = { diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c index ebbda7d..bcd9529 100644 --- a/drivers/net/ixgbe/ixgbe_common.c +++ b/drivers/net/ixgbe/ixgbe_common.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -46,10 +46,13 @@ static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec); static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec); static void ixgbe_release_eeprom(struct ixgbe_hw *hw); -static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index); -static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index); static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr); -static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq); +static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw); +static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw); +static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw); +static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw); +static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg, + u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm); static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num); /** @@ -139,17 +142,29 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw) IXGBE_READ_REG(hw, IXGBE_MRFC); IXGBE_READ_REG(hw, IXGBE_RLEC); IXGBE_READ_REG(hw, IXGBE_LXONTXC); - IXGBE_READ_REG(hw, IXGBE_LXONRXC); IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); - IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); + if (hw->mac.type >= ixgbe_mac_82599EB) { + IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); + IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); + } else { + IXGBE_READ_REG(hw, IXGBE_LXONRXC); + IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); + } for (i = 0; i < 8; i++) { IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); - IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); - IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); + if (hw->mac.type >= ixgbe_mac_82599EB) { + IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); + IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); + } else { + IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); + IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); + } } - + if (hw->mac.type >= ixgbe_mac_82599EB) + for (i = 0; i < 8; i++) + IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); IXGBE_READ_REG(hw, IXGBE_PRC64); IXGBE_READ_REG(hw, IXGBE_PRC127); IXGBE_READ_REG(hw, IXGBE_PRC255); @@ -187,9 +202,26 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw) IXGBE_READ_REG(hw, IXGBE_BPTC); for (i = 0; i < 16; i++) { IXGBE_READ_REG(hw, IXGBE_QPRC(i)); - IXGBE_READ_REG(hw, IXGBE_QBRC(i)); IXGBE_READ_REG(hw, IXGBE_QPTC(i)); - IXGBE_READ_REG(hw, IXGBE_QBTC(i)); + if (hw->mac.type >= ixgbe_mac_82599EB) { + IXGBE_READ_REG(hw, IXGBE_QBRC_L(i)); + IXGBE_READ_REG(hw, IXGBE_QBRC_H(i)); + IXGBE_READ_REG(hw, IXGBE_QBTC_L(i)); + IXGBE_READ_REG(hw, IXGBE_QBTC_H(i)); + IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); + } else { + IXGBE_READ_REG(hw, IXGBE_QBRC(i)); + IXGBE_READ_REG(hw, IXGBE_QBTC(i)); + } + } + + if (hw->mac.type == ixgbe_mac_X540) { + if (hw->phy.id == 0) + hw->phy.ops.identify(hw); + hw->phy.ops.read_reg(hw, 0x3, IXGBE_PCRC8ECL, &i); + hw->phy.ops.read_reg(hw, 0x3, IXGBE_PCRC8ECH, &i); + hw->phy.ops.read_reg(hw, 0x3, IXGBE_LDPCECL, &i); + hw->phy.ops.read_reg(hw, 0x3, IXGBE_LDPCECH, &i); } return 0; @@ -454,8 +486,7 @@ s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw) * Prevent the PCI-E bus from from hanging by disabling PCI-E master * access and verify no pending requests */ - if (ixgbe_disable_pcie_master(hw) != 0) - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); + ixgbe_disable_pcie_master(hw); return 0; } @@ -603,7 +634,6 @@ s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data) ixgbe_shift_out_eeprom_bits(hw, data, 16); ixgbe_standby_eeprom(hw); - msleep(hw->eeprom.semaphore_delay); /* Done with writing - release the EEPROM */ ixgbe_release_eeprom(hw); } @@ -747,10 +777,10 @@ s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg) static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw) { s32 status = 0; - u32 eec = 0; + u32 eec; u32 i; - if (ixgbe_acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) != 0) + if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) != 0) status = IXGBE_ERR_SWFW_SYNC; if (status == 0) { @@ -773,18 +803,18 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw) IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); hw_dbg(hw, "Could not acquire EEPROM grant\n"); - ixgbe_release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); + hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); status = IXGBE_ERR_EEPROM; } - } - /* Setup EEPROM for Read/Write */ - if (status == 0) { - /* Clear CS and SK */ - eec &= ~(IXGBE_EEC_CS | IXGBE_EEC_SK); - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); - udelay(1); + /* Setup EEPROM for Read/Write */ + if (status == 0) { + /* Clear CS and SK */ + eec &= ~(IXGBE_EEC_CS | IXGBE_EEC_SK); + IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); + IXGBE_WRITE_FLUSH(hw); + udelay(1); + } } return status; } @@ -798,13 +828,10 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw) static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw) { s32 status = IXGBE_ERR_EEPROM; - u32 timeout; + u32 timeout = 2000; u32 i; u32 swsm; - /* Set timeout value based on size of EEPROM */ - timeout = hw->eeprom.word_size + 1; - /* Get SMBI software semaphore between device drivers first */ for (i = 0; i < timeout; i++) { /* @@ -816,7 +843,7 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw) status = 0; break; } - msleep(1); + udelay(50); } /* Now get the semaphore between SW/FW through the SWESMBI bit */ @@ -844,11 +871,14 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw) * was not granted because we don't have access to the EEPROM */ if (i >= timeout) { - hw_dbg(hw, "Driver can't access the Eeprom - Semaphore " + hw_dbg(hw, "SWESMBI Software EEPROM semaphore " "not granted.\n"); ixgbe_release_eeprom_semaphore(hw); status = IXGBE_ERR_EEPROM; } + } else { + hw_dbg(hw, "Software semaphore SMBI between device drivers " + "not granted.\n"); } return status; @@ -1080,11 +1110,14 @@ static void ixgbe_release_eeprom(struct ixgbe_hw *hw) eec &= ~IXGBE_EEC_REQ; IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - ixgbe_release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); + hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); + + /* Delay before attempt to obtain semaphore again to allow FW access */ + msleep(hw->eeprom.semaphore_delay); } /** - * ixgbe_calc_eeprom_checksum - Calculates and returns the checksum + * ixgbe_calc_eeprom_checksum_generic - Calculates and returns the checksum * @hw: pointer to hardware structure **/ u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw) @@ -1190,7 +1223,7 @@ s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw) if (status == 0) { checksum = hw->eeprom.ops.calc_checksum(hw); status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM, - checksum); + checksum); } else { hw_dbg(hw, "EEPROM read failed\n"); } @@ -1238,37 +1271,37 @@ s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq, u32 rar_low, rar_high; u32 rar_entries = hw->mac.num_rar_entries; + /* Make sure we are using a valid rar index range */ + if (index >= rar_entries) { + hw_dbg(hw, "RAR index %d is out of range.\n", index); + return IXGBE_ERR_INVALID_ARGUMENT; + } + /* setup VMDq pool selection before this RAR gets enabled */ hw->mac.ops.set_vmdq(hw, index, vmdq); - /* Make sure we are using a valid rar index range */ - if (index < rar_entries) { - /* - * HW expects these in little endian so we reverse the byte - * order from network order (big endian) to little endian - */ - rar_low = ((u32)addr[0] | - ((u32)addr[1] << 8) | - ((u32)addr[2] << 16) | - ((u32)addr[3] << 24)); - /* - * Some parts put the VMDq setting in the extra RAH bits, - * so save everything except the lower 16 bits that hold part - * of the address and the address valid bit. - */ - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV); - rar_high |= ((u32)addr[4] | ((u32)addr[5] << 8)); + /* + * HW expects these in little endian so we reverse the byte + * order from network order (big endian) to little endian + */ + rar_low = ((u32)addr[0] | + ((u32)addr[1] << 8) | + ((u32)addr[2] << 16) | + ((u32)addr[3] << 24)); + /* + * Some parts put the VMDq setting in the extra RAH bits, + * so save everything except the lower 16 bits that hold part + * of the address and the address valid bit. + */ + rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); + rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV); + rar_high |= ((u32)addr[4] | ((u32)addr[5] << 8)); - if (enable_addr != 0) - rar_high |= IXGBE_RAH_AV; + if (enable_addr != 0) + rar_high |= IXGBE_RAH_AV; - IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low); - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); - } else { - hw_dbg(hw, "RAR index %d is out of range.\n", index); - return IXGBE_ERR_RAR_INDEX; - } + IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low); + IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); return 0; } @@ -1286,58 +1319,26 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index) u32 rar_entries = hw->mac.num_rar_entries; /* Make sure we are using a valid rar index range */ - if (index < rar_entries) { - /* - * Some parts put the VMDq setting in the extra RAH bits, - * so save everything except the lower 16 bits that hold part - * of the address and the address valid bit. - */ - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV); - - IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); - } else { + if (index >= rar_entries) { hw_dbg(hw, "RAR index %d is out of range.\n", index); - return IXGBE_ERR_RAR_INDEX; + return IXGBE_ERR_INVALID_ARGUMENT; } - /* clear VMDq pool/queue selection for this RAR */ - hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL); - - return 0; -} - -/** - * ixgbe_enable_rar - Enable Rx address register - * @hw: pointer to hardware structure - * @index: index into the RAR table - * - * Enables the select receive address register. - **/ -static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index) -{ - u32 rar_high; - + /* + * Some parts put the VMDq setting in the extra RAH bits, + * so save everything except the lower 16 bits that hold part + * of the address and the address valid bit. + */ rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high |= IXGBE_RAH_AV; + rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV); + + IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0); IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); -} -/** - * ixgbe_disable_rar - Disable Rx address register - * @hw: pointer to hardware structure - * @index: index into the RAR table - * - * Disables the select receive address register. - **/ -static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index) -{ - u32 rar_high; + /* clear VMDq pool/queue selection for this RAR */ + hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL); - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high &= (~IXGBE_RAH_AV); - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); + return 0; } /** @@ -1386,7 +1387,6 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw) } /* Clear the MTA */ - hw->addr_ctrl.mc_addr_in_rar_count = 0; hw->addr_ctrl.mta_in_use = 0; IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type); @@ -1401,105 +1401,6 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw) } /** - * ixgbe_add_uc_addr - Adds a secondary unicast address. - * @hw: pointer to hardware structure - * @addr: new address - * - * Adds it to unused receive address register or goes into promiscuous mode. - **/ -static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq) -{ - u32 rar_entries = hw->mac.num_rar_entries; - u32 rar; - - hw_dbg(hw, " UC Addr = %.2X %.2X %.2X %.2X %.2X %.2X\n", - addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); - - /* - * Place this address in the RAR if there is room, - * else put the controller into promiscuous mode - */ - if (hw->addr_ctrl.rar_used_count < rar_entries) { - rar = hw->addr_ctrl.rar_used_count - - hw->addr_ctrl.mc_addr_in_rar_count; - hw->mac.ops.set_rar(hw, rar, addr, vmdq, IXGBE_RAH_AV); - hw_dbg(hw, "Added a secondary address to RAR[%d]\n", rar); - hw->addr_ctrl.rar_used_count++; - } else { - hw->addr_ctrl.overflow_promisc++; - } - - hw_dbg(hw, "ixgbe_add_uc_addr Complete\n"); -} - -/** - * ixgbe_update_uc_addr_list_generic - Updates MAC list of secondary addresses - * @hw: pointer to hardware structure - * @netdev: pointer to net device structure - * - * The given list replaces any existing list. Clears the secondary addrs from - * receive address registers. Uses unused receive address registers for the - * first secondary addresses, and falls back to promiscuous mode as needed. - * - * Drivers using secondary unicast addresses must set user_set_promisc when - * manually putting the device into promiscuous mode. - **/ -s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, - struct net_device *netdev) -{ - u32 i; - u32 old_promisc_setting = hw->addr_ctrl.overflow_promisc; - u32 uc_addr_in_use; - u32 fctrl; - struct netdev_hw_addr *ha; - - /* - * Clear accounting of old secondary address list, - * don't count RAR[0] - */ - uc_addr_in_use = hw->addr_ctrl.rar_used_count - 1; - hw->addr_ctrl.rar_used_count -= uc_addr_in_use; - hw->addr_ctrl.overflow_promisc = 0; - - /* Zero out the other receive addresses */ - hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use + 1); - for (i = 0; i < uc_addr_in_use; i++) { - IXGBE_WRITE_REG(hw, IXGBE_RAL(1+i), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(1+i), 0); - } - - /* Add the new addresses */ - netdev_for_each_uc_addr(ha, netdev) { - hw_dbg(hw, " Adding the secondary addresses:\n"); - ixgbe_add_uc_addr(hw, ha->addr, 0); - } - - if (hw->addr_ctrl.overflow_promisc) { - /* enable promisc if not already in overflow or set by user */ - if (!old_promisc_setting && !hw->addr_ctrl.user_set_promisc) { - hw_dbg(hw, " Entering address overflow promisc mode\n"); - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - fctrl |= IXGBE_FCTRL_UPE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - hw->addr_ctrl.uc_set_promisc = true; - } - } else { - /* only disable if set by overflow, not by user */ - if ((old_promisc_setting && hw->addr_ctrl.uc_set_promisc) && - !(hw->addr_ctrl.user_set_promisc)) { - hw_dbg(hw, " Leaving address overflow promisc mode\n"); - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - fctrl &= ~IXGBE_FCTRL_UPE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - hw->addr_ctrl.uc_set_promisc = false; - } - } - - hw_dbg(hw, "ixgbe_update_uc_addr_list_generic Complete\n"); - return 0; -} - -/** * ixgbe_mta_vector - Determines bit-vector in multicast table to set * @hw: pointer to hardware structure * @mc_addr: the multicast address @@ -1550,7 +1451,6 @@ static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr) u32 vector; u32 vector_bit; u32 vector_reg; - u32 mta_reg; hw->addr_ctrl.mta_in_use++; @@ -1568,9 +1468,7 @@ static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr) */ vector_reg = (vector >> 5) & 0x7F; vector_bit = vector & 0x1F; - mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); - mta_reg |= (1 << vector_bit); - IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); + hw->mac.mta_shadow[vector_reg] |= (1 << vector_bit); } /** @@ -1596,18 +1494,21 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, hw->addr_ctrl.num_mc_addrs = netdev_mc_count(netdev); hw->addr_ctrl.mta_in_use = 0; - /* Clear the MTA */ + /* Clear mta_shadow */ hw_dbg(hw, " Clearing MTA\n"); - for (i = 0; i < hw->mac.mcft_size; i++) - IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0); + memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow)); - /* Add the new addresses */ + /* Update mta shadow */ netdev_for_each_mc_addr(ha, netdev) { hw_dbg(hw, " Adding the multicast addresses:\n"); ixgbe_set_mta(hw, ha->addr); } /* Enable mta */ + for (i = 0; i < hw->mac.mcft_size; i++) + IXGBE_WRITE_REG_ARRAY(hw, IXGBE_MTA(0), i, + hw->mac.mta_shadow[i]); + if (hw->addr_ctrl.mta_in_use > 0) IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type); @@ -1624,15 +1525,8 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, **/ s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw) { - u32 i; - u32 rar_entries = hw->mac.num_rar_entries; struct ixgbe_addr_filter_info *a = &hw->addr_ctrl; - if (a->mc_addr_in_rar_count > 0) - for (i = (rar_entries - a->mc_addr_in_rar_count); - i < rar_entries; i++) - ixgbe_enable_rar(hw, i); - if (a->mta_in_use > 0) IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type); @@ -1648,15 +1542,8 @@ s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw) **/ s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw) { - u32 i; - u32 rar_entries = hw->mac.num_rar_entries; struct ixgbe_addr_filter_info *a = &hw->addr_ctrl; - if (a->mc_addr_in_rar_count > 0) - for (i = (rar_entries - a->mc_addr_in_rar_count); - i < rar_entries; i++) - ixgbe_disable_rar(hw, i); - if (a->mta_in_use > 0) IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type); @@ -1685,7 +1572,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num) #endif /* CONFIG_DCB */ /* Negotiate the fc mode to use */ ret_val = ixgbe_fc_autoneg(hw); - if (ret_val) + if (ret_val == IXGBE_ERR_FLOW_CONTROL) goto out; /* Disable any previous flow control settings */ @@ -1703,7 +1590,9 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num) * 2: Tx flow control is enabled (we can send pause frames but * we do not support receiving pause frames). * 3: Both Rx and Tx flow control (symmetric) are enabled. +#ifdef CONFIG_DCB * 4: Priority Flow Control is enabled. +#endif * other: Invalid. */ switch (hw->fc.current_mode) { @@ -1791,12 +1680,13 @@ out: **/ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw) { - s32 ret_val = 0; + s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED; ixgbe_link_speed speed; - u32 pcs_anadv_reg, pcs_lpab_reg, linkstat; - u32 links2, anlp1_reg, autoc_reg, links; bool link_up; + if (hw->fc.disable_fc_autoneg) + goto out; + /* * AN should have completed when the cable was plugged in. * Look for reasons to bail out. Bail out if: @@ -1807,153 +1697,199 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw) * So use link_up_wait_to_complete=false. */ hw->mac.ops.check_link(hw, &speed, &link_up, false); - - if (hw->fc.disable_fc_autoneg || (!link_up)) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; + if (!link_up) { + ret_val = IXGBE_ERR_FLOW_CONTROL; goto out; } - /* - * On backplane, bail out if - * - backplane autoneg was not completed, or if - * - we are 82599 and link partner is not AN enabled - */ - if (hw->phy.media_type == ixgbe_media_type_backplane) { - links = IXGBE_READ_REG(hw, IXGBE_LINKS); - if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } + switch (hw->phy.media_type) { + /* Autoneg flow control on fiber adapters */ + case ixgbe_media_type_fiber: + if (speed == IXGBE_LINK_SPEED_1GB_FULL) + ret_val = ixgbe_fc_autoneg_fiber(hw); + break; - if (hw->mac.type == ixgbe_mac_82599EB) { - links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2); - if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - } + /* Autoneg flow control on backplane adapters */ + case ixgbe_media_type_backplane: + ret_val = ixgbe_fc_autoneg_backplane(hw); + break; + + /* Autoneg flow control on copper adapters */ + case ixgbe_media_type_copper: + if (ixgbe_device_supports_autoneg_fc(hw) == 0) + ret_val = ixgbe_fc_autoneg_copper(hw); + break; + + default: + break; } +out: + if (ret_val == 0) { + hw->fc.fc_was_autonegged = true; + } else { + hw->fc.fc_was_autonegged = false; + hw->fc.current_mode = hw->fc.requested_mode; + } + return ret_val; +} + +/** + * ixgbe_fc_autoneg_fiber - Enable flow control on 1 gig fiber + * @hw: pointer to hardware structure + * + * Enable flow control according on 1 gig fiber. + **/ +static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw) +{ + u32 pcs_anadv_reg, pcs_lpab_reg, linkstat; + s32 ret_val; + /* * On multispeed fiber at 1g, bail out if * - link is up but AN did not complete, or if * - link is up and AN completed but timed out */ - if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL)) { - linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA); - if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) || - ((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } + + linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA); + if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) || + ((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) { + ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED; + goto out; } + pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); + pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP); + + ret_val = ixgbe_negotiate_fc(hw, pcs_anadv_reg, + pcs_lpab_reg, IXGBE_PCS1GANA_SYM_PAUSE, + IXGBE_PCS1GANA_ASM_PAUSE, + IXGBE_PCS1GANA_SYM_PAUSE, + IXGBE_PCS1GANA_ASM_PAUSE); + +out: + return ret_val; +} + +/** + * ixgbe_fc_autoneg_backplane - Enable flow control IEEE clause 37 + * @hw: pointer to hardware structure + * + * Enable flow control according to IEEE clause 37. + **/ +static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw) +{ + u32 links2, anlp1_reg, autoc_reg, links; + s32 ret_val; + /* - * Bail out on - * - copper or CX4 adapters - * - fiber adapters running at 10gig + * On backplane, bail out if + * - backplane autoneg was not completed, or if + * - we are 82599 and link partner is not AN enabled */ - if ((hw->phy.media_type == ixgbe_media_type_copper) || - (hw->phy.media_type == ixgbe_media_type_cx4) || - ((hw->phy.media_type == ixgbe_media_type_fiber) && - (speed == IXGBE_LINK_SPEED_10GB_FULL))) { + links = IXGBE_READ_REG(hw, IXGBE_LINKS); + if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) { hw->fc.fc_was_autonegged = false; hw->fc.current_mode = hw->fc.requested_mode; + ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED; goto out; } + if (hw->mac.type == ixgbe_mac_82599EB) { + links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2); + if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) { + hw->fc.fc_was_autonegged = false; + hw->fc.current_mode = hw->fc.requested_mode; + ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED; + goto out; + } + } /* - * Read the AN advertisement and LP ability registers and resolve + * Read the 10g AN autoc and LP ability registers and resolve * local flow control settings accordingly */ - if ((speed == IXGBE_LINK_SPEED_1GB_FULL) && - (hw->phy.media_type != ixgbe_media_type_backplane)) { - pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); - pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP); - if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE)) { - /* - * Now we need to check if the user selected Rx ONLY - * of pause frames. In this case, we had to advertise - * FULL flow control because we could not advertise RX - * ONLY. Hence, we must now check to see if we need to - * turn OFF the TRANSMISSION of PAUSE frames. - */ - if (hw->fc.requested_mode == ixgbe_fc_full) { - hw->fc.current_mode = ixgbe_fc_full; - hw_dbg(hw, "Flow Control = FULL.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control=RX PAUSE only\n"); - } - } else if (!(pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_tx_pause; - hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n"); - } else if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) && - !(pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_none; - hw_dbg(hw, "Flow Control = NONE.\n"); - } - } + autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); + anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1); - if (hw->phy.media_type == ixgbe_media_type_backplane) { + ret_val = ixgbe_negotiate_fc(hw, autoc_reg, + anlp1_reg, IXGBE_AUTOC_SYM_PAUSE, IXGBE_AUTOC_ASM_PAUSE, + IXGBE_ANLP1_SYM_PAUSE, IXGBE_ANLP1_ASM_PAUSE); + +out: + return ret_val; +} + +/** + * ixgbe_fc_autoneg_copper - Enable flow control IEEE clause 37 + * @hw: pointer to hardware structure + * + * Enable flow control according to IEEE clause 37. + **/ +static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw) +{ + u16 technology_ability_reg = 0; + u16 lp_technology_ability_reg = 0; + + hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, + &technology_ability_reg); + hw->phy.ops.read_reg(hw, MDIO_AN_LPA, + MDIO_MMD_AN, + &lp_technology_ability_reg); + + return ixgbe_negotiate_fc(hw, (u32)technology_ability_reg, + (u32)lp_technology_ability_reg, + IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE, + IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE); +} + +/** + * ixgbe_negotiate_fc - Negotiate flow control + * @hw: pointer to hardware structure + * @adv_reg: flow control advertised settings + * @lp_reg: link partner's flow control settings + * @adv_sym: symmetric pause bit in advertisement + * @adv_asm: asymmetric pause bit in advertisement + * @lp_sym: symmetric pause bit in link partner advertisement + * @lp_asm: asymmetric pause bit in link partner advertisement + * + * Find the intersection between advertised settings and link partner's + * advertised settings + **/ +static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg, + u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm) +{ + if ((!(adv_reg)) || (!(lp_reg))) + return IXGBE_ERR_FC_NOT_NEGOTIATED; + + if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) { /* - * Read the 10g AN autoc and LP ability registers and resolve - * local flow control settings accordingly + * Now we need to check if the user selected Rx ONLY + * of pause frames. In this case, we had to advertise + * FULL flow control because we could not advertise RX + * ONLY. Hence, we must now check to see if we need to + * turn OFF the TRANSMISSION of PAUSE frames. */ - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1); - - if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_SYM_PAUSE)) { - /* - * Now we need to check if the user selected Rx ONLY - * of pause frames. In this case, we had to advertise - * FULL flow control because we could not advertise RX - * ONLY. Hence, we must now check to see if we need to - * turn OFF the TRANSMISSION of PAUSE frames. - */ - if (hw->fc.requested_mode == ixgbe_fc_full) { - hw->fc.current_mode = ixgbe_fc_full; - hw_dbg(hw, "Flow Control = FULL.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control=RX PAUSE only\n"); - } - } else if (!(autoc_reg & IXGBE_AUTOC_SYM_PAUSE) && - (autoc_reg & IXGBE_AUTOC_ASM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_tx_pause; - hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n"); - } else if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) && - (autoc_reg & IXGBE_AUTOC_ASM_PAUSE) && - !(anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n"); + if (hw->fc.requested_mode == ixgbe_fc_full) { + hw->fc.current_mode = ixgbe_fc_full; + hw_dbg(hw, "Flow Control = FULL.\n"); } else { - hw->fc.current_mode = ixgbe_fc_none; - hw_dbg(hw, "Flow Control = NONE.\n"); + hw->fc.current_mode = ixgbe_fc_rx_pause; + hw_dbg(hw, "Flow Control=RX PAUSE frames only\n"); } + } else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) && + (lp_reg & lp_sym) && (lp_reg & lp_asm)) { + hw->fc.current_mode = ixgbe_fc_tx_pause; + hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n"); + } else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) && + !(lp_reg & lp_sym) && (lp_reg & lp_asm)) { + hw->fc.current_mode = ixgbe_fc_rx_pause; + hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n"); + } else { + hw->fc.current_mode = ixgbe_fc_none; + hw_dbg(hw, "Flow Control = NONE.\n"); } - /* Record that current_mode is the result of a successful autoneg */ - hw->fc.fc_was_autonegged = true; - -out: - return ret_val; + return 0; } /** @@ -1965,7 +1901,8 @@ out: static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) { s32 ret_val = 0; - u32 reg; + u32 reg = 0, reg_bp = 0; + u16 reg_cu = 0; #ifdef CONFIG_DCB if (hw->fc.requested_mode == ixgbe_fc_pfc) { @@ -1973,7 +1910,7 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) goto out; } -#endif +#endif /* CONFIG_DCB */ /* Validate the packetbuf configuration */ if (packetbuf_num < 0 || packetbuf_num > 7) { hw_dbg(hw, "Invalid packet buffer number [%d], expected range " @@ -2011,11 +1948,26 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) hw->fc.requested_mode = ixgbe_fc_full; /* - * Set up the 1G flow control advertisement registers so the HW will be - * able to do fc autoneg once the cable is plugged in. If we end up - * using 10g instead, this is harmless. + * Set up the 1G and 10G flow control advertisement registers so the + * HW will be able to do fc autoneg once the cable is plugged in. If + * we link at 10G, the 1G advertisement is harmless and vice versa. */ - reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); + + switch (hw->phy.media_type) { + case ixgbe_media_type_fiber: + case ixgbe_media_type_backplane: + reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); + reg_bp = IXGBE_READ_REG(hw, IXGBE_AUTOC); + break; + + case ixgbe_media_type_copper: + hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, ®_cu); + break; + + default: + ; + } /* * The possible values of fc.requested_mode are: @@ -2034,6 +1986,11 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) case ixgbe_fc_none: /* Flow control completely disabled by software override. */ reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE); + if (hw->phy.media_type == ixgbe_media_type_backplane) + reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE | + IXGBE_AUTOC_ASM_PAUSE); + else if (hw->phy.media_type == ixgbe_media_type_copper) + reg_cu &= ~(IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE); break; case ixgbe_fc_rx_pause: /* @@ -2045,6 +2002,11 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) * disable the adapter's ability to send PAUSE frames. */ reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE); + if (hw->phy.media_type == ixgbe_media_type_backplane) + reg_bp |= (IXGBE_AUTOC_SYM_PAUSE | + IXGBE_AUTOC_ASM_PAUSE); + else if (hw->phy.media_type == ixgbe_media_type_copper) + reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE); break; case ixgbe_fc_tx_pause: /* @@ -2053,10 +2015,22 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) */ reg |= (IXGBE_PCS1GANA_ASM_PAUSE); reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE); + if (hw->phy.media_type == ixgbe_media_type_backplane) { + reg_bp |= (IXGBE_AUTOC_ASM_PAUSE); + reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE); + } else if (hw->phy.media_type == ixgbe_media_type_copper) { + reg_cu |= (IXGBE_TAF_ASM_PAUSE); + reg_cu &= ~(IXGBE_TAF_SYM_PAUSE); + } break; case ixgbe_fc_full: /* Flow control (both Rx and Tx) is enabled by SW override. */ reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE); + if (hw->phy.media_type == ixgbe_media_type_backplane) + reg_bp |= (IXGBE_AUTOC_SYM_PAUSE | + IXGBE_AUTOC_ASM_PAUSE); + else if (hw->phy.media_type == ixgbe_media_type_copper) + reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE); break; #ifdef CONFIG_DCB case ixgbe_fc_pfc: @@ -2070,80 +2044,37 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) break; } - IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg); - reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL); - - /* Disable AN timeout */ - if (hw->fc.strict_ieee) - reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN; + if (hw->mac.type != ixgbe_mac_X540) { + /* + * Enable auto-negotiation between the MAC & PHY; + * the MAC will advertise clause 37 flow control. + */ + IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg); + reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL); - IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg); - hw_dbg(hw, "Set up FC; PCS1GLCTL = 0x%08X\n", reg); + /* Disable AN timeout */ + if (hw->fc.strict_ieee) + reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN; - /* - * Set up the 10G flow control advertisement registers so the HW - * can do fc autoneg once the cable is plugged in. If we end up - * using 1g instead, this is harmless. - */ - reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); + IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg); + hw_dbg(hw, "Set up FC; PCS1GLCTL = 0x%08X\n", reg); + } /* - * The possible values of fc.requested_mode are: - * 0: Flow control is completely disabled - * 1: Rx flow control is enabled (we can receive pause frames, - * but not send pause frames). - * 2: Tx flow control is enabled (we can send pause frames but - * we do not support receiving pause frames). - * 3: Both Rx and Tx flow control (symmetric) are enabled. - * other: Invalid. + * AUTOC restart handles negotiation of 1G and 10G on backplane + * and copper. There is no need to set the PCS1GCTL register. + * */ - switch (hw->fc.requested_mode) { - case ixgbe_fc_none: - /* Flow control completely disabled by software override. */ - reg &= ~(IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE); - break; - case ixgbe_fc_rx_pause: - /* - * Rx Flow control is enabled and Tx Flow control is - * disabled by software override. Since there really - * isn't a way to advertise that we are capable of RX - * Pause ONLY, we will advertise that we support both - * symmetric and asymmetric Rx PAUSE. Later, we will - * disable the adapter's ability to send PAUSE frames. - */ - reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE); - break; - case ixgbe_fc_tx_pause: - /* - * Tx Flow control is enabled, and Rx Flow control is - * disabled by software override. - */ - reg |= (IXGBE_AUTOC_ASM_PAUSE); - reg &= ~(IXGBE_AUTOC_SYM_PAUSE); - break; - case ixgbe_fc_full: - /* Flow control (both Rx and Tx) is enabled by SW override. */ - reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE); - break; -#ifdef CONFIG_DCB - case ixgbe_fc_pfc: - goto out; - break; -#endif /* CONFIG_DCB */ - default: - hw_dbg(hw, "Flow control param set incorrectly\n"); - ret_val = IXGBE_ERR_CONFIG; - goto out; - break; + if (hw->phy.media_type == ixgbe_media_type_backplane) { + reg_bp |= IXGBE_AUTOC_AN_RESTART; + IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_bp); + } else if ((hw->phy.media_type == ixgbe_media_type_copper) && + (ixgbe_device_supports_autoneg_fc(hw) == 0)) { + hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, reg_cu); } - /* - * AUTOC restart handles negotiation of 1G and 10G. There is - * no need to set the PCS1GCTL register. - */ - reg |= IXGBE_AUTOC_AN_RESTART; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg); - hw_dbg(hw, "Set up FC; IXGBE_AUTOC = 0x%08X\n", reg); + hw_dbg(hw, "Set up FC; IXGBE_AUTOC = 0x%08X\n", reg); out: return ret_val; } @@ -2159,10 +2090,16 @@ out: **/ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) { + struct ixgbe_adapter *adapter = hw->back; u32 i; u32 reg_val; u32 number_of_queues; - s32 status = IXGBE_ERR_MASTER_REQUESTS_PENDING; + s32 status = 0; + u16 dev_status = 0; + + /* Just jump out if bus mastering is already disabled */ + if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO)) + goto out; /* Disable the receive unit by stopping each queue */ number_of_queues = hw->mac.max_rx_queues; @@ -2179,13 +2116,43 @@ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) IXGBE_WRITE_REG(hw, IXGBE_CTRL, reg_val); for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) { - if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO)) { - status = 0; + if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO)) + goto check_device_status; + udelay(100); + } + + hw_dbg(hw, "GIO Master Disable bit didn't clear - requesting resets\n"); + status = IXGBE_ERR_MASTER_REQUESTS_PENDING; + + /* + * Before proceeding, make sure that the PCIe block does not have + * transactions pending. + */ +check_device_status: + for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) { + pci_read_config_word(adapter->pdev, IXGBE_PCI_DEVICE_STATUS, + &dev_status); + if (!(dev_status & IXGBE_PCI_DEVICE_STATUS_TRANSACTION_PENDING)) break; - } udelay(100); } + if (i == IXGBE_PCI_MASTER_DISABLE_TIMEOUT) + hw_dbg(hw, "PCIe transaction pending bit also did not clear.\n"); + else + goto out; + + /* + * Two consecutive resets are required via CTRL.RST per datasheet + * 5.2.5.3.2 Master Disable. We set a flag to inform the reset routine + * of this need. The first reset prevents new master requests from + * being issued by our device. We then must wait 1usec for any + * remaining completions from the PCIe bus to trickle in, and then reset + * again to clear out any effects they may have had on our device. + */ + hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; + +out: return status; } @@ -2195,7 +2162,7 @@ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) * @hw: pointer to hardware structure * @mask: Mask to specify which semaphore to acquire * - * Acquires the SWFW semaphore thought the GSSR register for the specified + * Acquires the SWFW semaphore through the GSSR register for the specified * function (CSR, PHY0, PHY1, EEPROM, Flash) **/ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask) @@ -2206,6 +2173,10 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask) s32 timeout = 200; while (timeout) { + /* + * SW EEPROM semaphore bit is used for access to all + * SW_FW_SYNC/GSSR bits (not just EEPROM) + */ if (ixgbe_get_eeprom_semaphore(hw)) return IXGBE_ERR_SWFW_SYNC; @@ -2223,7 +2194,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask) } if (!timeout) { - hw_dbg(hw, "Driver can't access resource, GSSR timeout.\n"); + hw_dbg(hw, "Driver can't access resource, SW_FW_SYNC timeout.\n"); return IXGBE_ERR_SWFW_SYNC; } @@ -2239,7 +2210,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask) * @hw: pointer to hardware structure * @mask: Mask to specify which semaphore to release * - * Releases the SWFW semaphore thought the GSSR register for the specified + * Releases the SWFW semaphore through the GSSR register for the specified * function (CSR, PHY0, PHY1, EEPROM, Flash) **/ void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask) @@ -2427,37 +2398,38 @@ s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) u32 mpsar_lo, mpsar_hi; u32 rar_entries = hw->mac.num_rar_entries; - if (rar < rar_entries) { - mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar)); - mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar)); + /* Make sure we are using a valid rar index range */ + if (rar >= rar_entries) { + hw_dbg(hw, "RAR index %d is out of range.\n", rar); + return IXGBE_ERR_INVALID_ARGUMENT; + } - if (!mpsar_lo && !mpsar_hi) - goto done; + mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar)); + mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar)); - if (vmdq == IXGBE_CLEAR_VMDQ_ALL) { - if (mpsar_lo) { - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0); - mpsar_lo = 0; - } - if (mpsar_hi) { - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0); - mpsar_hi = 0; - } - } else if (vmdq < 32) { - mpsar_lo &= ~(1 << vmdq); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo); - } else { - mpsar_hi &= ~(1 << (vmdq - 32)); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi); - } + if (!mpsar_lo && !mpsar_hi) + goto done; - /* was that the last pool using this rar? */ - if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0) - hw->mac.ops.clear_rar(hw, rar); + if (vmdq == IXGBE_CLEAR_VMDQ_ALL) { + if (mpsar_lo) { + IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0); + mpsar_lo = 0; + } + if (mpsar_hi) { + IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0); + mpsar_hi = 0; + } + } else if (vmdq < 32) { + mpsar_lo &= ~(1 << vmdq); + IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo); } else { - hw_dbg(hw, "RAR index %d is out of range.\n", rar); + mpsar_hi &= ~(1 << (vmdq - 32)); + IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi); } + /* was that the last pool using this rar? */ + if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0) + hw->mac.ops.clear_rar(hw, rar); done: return 0; } @@ -2473,18 +2445,20 @@ s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) u32 mpsar; u32 rar_entries = hw->mac.num_rar_entries; - if (rar < rar_entries) { - if (vmdq < 32) { - mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar)); - mpsar |= 1 << vmdq; - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar); - } else { - mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar)); - mpsar |= 1 << (vmdq - 32); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar); - } - } else { + /* Make sure we are using a valid rar index range */ + if (rar >= rar_entries) { hw_dbg(hw, "RAR index %d is out of range.\n", rar); + return IXGBE_ERR_INVALID_ARGUMENT; + } + + if (vmdq < 32) { + mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar)); + mpsar |= 1 << vmdq; + IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar); + } else { + mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar)); + mpsar |= 1 << (vmdq - 32); + IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar); } return 0; } @@ -2497,7 +2471,6 @@ s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw) { int i; - for (i = 0; i < 128; i++) IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0); @@ -2726,12 +2699,21 @@ s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw) * Reads the links register to determine if link is up and the current speed **/ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, - bool *link_up, bool link_up_wait_to_complete) + bool *link_up, bool link_up_wait_to_complete) { - u32 links_reg; + u32 links_reg, links_orig; u32 i; + /* clear the old state */ + links_orig = IXGBE_READ_REG(hw, IXGBE_LINKS); + links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); + + if (links_orig != links_reg) { + hw_dbg(hw, "LINKS changed from %08X to %08X\n", + links_orig, links_reg); + } + if (link_up_wait_to_complete) { for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { if (links_reg & IXGBE_LINKS_UP) { @@ -2754,10 +2736,13 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, IXGBE_LINKS_SPEED_10G_82599) *speed = IXGBE_LINK_SPEED_10GB_FULL; else if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_1G_82599) + IXGBE_LINKS_SPEED_1G_82599) *speed = IXGBE_LINK_SPEED_1GB_FULL; - else + else if ((links_reg & IXGBE_LINKS_SPEED_82599) == + IXGBE_LINKS_SPEED_100_82599) *speed = IXGBE_LINK_SPEED_100_FULL; + else + *speed = IXGBE_LINK_SPEED_UNKNOWN; /* if link is down, zero out the current_mode */ if (*link_up == false) { @@ -2814,6 +2799,28 @@ wwn_prefix_out: } /** + * ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow + * control + * @hw: pointer to hardware structure + * + * There are several phys that do not support autoneg flow control. This + * function check the device id to see if the associated phy supports + * autoneg flow control. + **/ +static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw) +{ + + switch (hw->device_id) { + case IXGBE_DEV_ID_X540T: + return 0; + case IXGBE_DEV_ID_82599_T3_LOM: + return 0; + default: + return IXGBE_ERR_FC_NOT_SUPPORTED; + } +} + +/** * ixgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing * @hw: pointer to hardware structure * @enable: enable or disable switch for anti-spoofing diff --git a/drivers/net/ixgbe/ixgbe_common.h b/drivers/net/ixgbe/ixgbe_common.h index 66ed045..508f635 100644 --- a/drivers/net/ixgbe/ixgbe_common.h +++ b/drivers/net/ixgbe/ixgbe_common.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -29,6 +29,7 @@ #define _IXGBE_COMMON_H_ #include "ixgbe_type.h" +#include "ixgbe.h" u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw); s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw); @@ -62,8 +63,6 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index); s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw); s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, struct net_device *netdev); -s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, - struct net_device *netdev); s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw); s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw); s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval); @@ -110,9 +109,8 @@ void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf); #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS) -extern struct net_device *ixgbe_get_hw_dev(struct ixgbe_hw *hw); #define hw_dbg(hw, format, arg...) \ - netdev_dbg(ixgbe_get_hw_dev(hw), format, ##arg) + netdev_dbg(((struct ixgbe_adapter *)(hw->back))->netdev, format, ##arg) #define e_dev_info(format, arg...) \ dev_info(&adapter->pdev->dev, format, ## arg) #define e_dev_warn(format, arg...) \ diff --git a/drivers/net/ixgbe/ixgbe_dcb.c b/drivers/net/ixgbe/ixgbe_dcb.c index d16c260..41c529f 100644 --- a/drivers/net/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ixgbe/ixgbe_dcb.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -34,6 +34,42 @@ #include "ixgbe_dcb_82599.h" /** + * ixgbe_ieee_credits - This calculates the ieee traffic class + * credits from the configured bandwidth percentages. Credits + * are the smallest unit programable into the underlying + * hardware. The IEEE 802.1Qaz specification do not use bandwidth + * groups so this is much simplified from the CEE case. + */ +s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame) +{ + int min_percent = 100; + int min_credit, multiplier; + int i; + + min_credit = ((max_frame / 2) + DCB_CREDIT_QUANTUM - 1) / + DCB_CREDIT_QUANTUM; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + if (bw[i] < min_percent && bw[i]) + min_percent = bw[i]; + } + + multiplier = (min_credit / min_percent) + 1; + + /* Find out the hw credits for each TC */ + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + int val = min(bw[i] * multiplier, MAX_CREDIT_REFILL); + + if (val < min_credit) + val = min_credit; + refill[i] = val; + + max[i] = bw[i] ? (bw[i] * MAX_CREDIT)/100 : min_credit; + } + return 0; +} + +/** * ixgbe_dcb_calculate_tc_credits - Calculates traffic class credits * @ixgbe_dcb_config: Struct containing DCB settings. * @direction: Configuring either Tx or Rx. @@ -141,6 +177,59 @@ out: return ret_val; } +void ixgbe_dcb_unpack_pfc(struct ixgbe_dcb_config *cfg, u8 *pfc_en) +{ + int i; + + *pfc_en = 0; + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) + *pfc_en |= (cfg->tc_config[i].dcb_pfc & 0xF) << i; +} + +void ixgbe_dcb_unpack_refill(struct ixgbe_dcb_config *cfg, int direction, + u16 *refill) +{ + struct tc_bw_alloc *p; + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + p = &cfg->tc_config[i].path[direction]; + refill[i] = p->data_credits_refill; + } +} + +void ixgbe_dcb_unpack_max(struct ixgbe_dcb_config *cfg, u16 *max) +{ + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) + max[i] = cfg->tc_config[i].desc_credits_max; +} + +void ixgbe_dcb_unpack_bwgid(struct ixgbe_dcb_config *cfg, int direction, + u8 *bwgid) +{ + struct tc_bw_alloc *p; + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + p = &cfg->tc_config[i].path[direction]; + bwgid[i] = p->bwg_id; + } +} + +void ixgbe_dcb_unpack_prio(struct ixgbe_dcb_config *cfg, int direction, + u8 *ptype) +{ + struct tc_bw_alloc *p; + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + p = &cfg->tc_config[i].path[direction]; + ptype[i] = p->prio_type; + } +} + /** * ixgbe_dcb_hw_config - Config and enable DCB * @hw: pointer to hardware structure @@ -152,13 +241,32 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, struct ixgbe_dcb_config *dcb_config) { s32 ret = 0; + u8 pfc_en; + u8 ptype[MAX_TRAFFIC_CLASS]; + u8 bwgid[MAX_TRAFFIC_CLASS]; + u16 refill[MAX_TRAFFIC_CLASS]; + u16 max[MAX_TRAFFIC_CLASS]; + /* CEE does not define a priority to tc mapping so map 1:1 */ + u8 prio_tc[MAX_TRAFFIC_CLASS] = {0, 1, 2, 3, 4, 5, 6, 7}; + + /* Unpack CEE standard containers */ + ixgbe_dcb_unpack_pfc(dcb_config, &pfc_en); + ixgbe_dcb_unpack_refill(dcb_config, DCB_TX_CONFIG, refill); + ixgbe_dcb_unpack_max(dcb_config, max); + ixgbe_dcb_unpack_bwgid(dcb_config, DCB_TX_CONFIG, bwgid); + ixgbe_dcb_unpack_prio(dcb_config, DCB_TX_CONFIG, ptype); + switch (hw->mac.type) { case ixgbe_mac_82598EB: - ret = ixgbe_dcb_hw_config_82598(hw, dcb_config); + ret = ixgbe_dcb_hw_config_82598(hw, dcb_config->rx_pba_cfg, + pfc_en, refill, max, bwgid, + ptype); break; case ixgbe_mac_82599EB: case ixgbe_mac_X540: - ret = ixgbe_dcb_hw_config_82599(hw, dcb_config); + ret = ixgbe_dcb_hw_config_82599(hw, dcb_config->rx_pba_cfg, + pfc_en, refill, max, bwgid, + ptype, prio_tc); break; default: break; @@ -166,3 +274,49 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, return ret; } +/* Helper routines to abstract HW specifics from DCB netlink ops */ +s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en) +{ + int ret = -EINVAL; + + switch (hw->mac.type) { + case ixgbe_mac_82598EB: + ret = ixgbe_dcb_config_pfc_82598(hw, pfc_en); + break; + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + ret = ixgbe_dcb_config_pfc_82599(hw, pfc_en); + break; + default: + break; + } + return ret; +} + +s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, + u16 *refill, u16 *max, u8 *bwg_id, + u8 *prio_type, u8 *prio_tc) +{ + switch (hw->mac.type) { + case ixgbe_mac_82598EB: + ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, + prio_type); + ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + break; + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, + bwg_id, prio_type, prio_tc); + ixgbe_dcb_config_tx_desc_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82599(hw, refill, max, bwg_id, + prio_type, prio_tc); + break; + default: + break; + } + return 0; +} diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h index 1cfe38e..944838f 100644 --- a/drivers/net/ixgbe/ixgbe_dcb.h +++ b/drivers/net/ixgbe/ixgbe_dcb.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -139,7 +139,6 @@ struct ixgbe_dcb_config { struct tc_configuration tc_config[MAX_TRAFFIC_CLASS]; u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */ bool pfc_mode_enable; - bool round_robin_enable; enum dcb_rx_pba_cfg rx_pba_cfg; @@ -148,12 +147,21 @@ struct ixgbe_dcb_config { }; /* DCB driver APIs */ +void ixgbe_dcb_unpack_pfc(struct ixgbe_dcb_config *cfg, u8 *pfc_en); +void ixgbe_dcb_unpack_refill(struct ixgbe_dcb_config *, int, u16 *); +void ixgbe_dcb_unpack_max(struct ixgbe_dcb_config *, u16 *); +void ixgbe_dcb_unpack_bwgid(struct ixgbe_dcb_config *, int, u8 *); +void ixgbe_dcb_unpack_prio(struct ixgbe_dcb_config *, int, u8 *); /* DCB credits calculation */ +s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame); s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *, struct ixgbe_dcb_config *, int, u8); /* DCB hw initialization */ +s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, u16 *refill, u16 *max, + u8 *bwg_id, u8 *prio_type, u8 *tc_prio); +s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en); s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *); /* DCB definitions for credit calculation */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ixgbe/ixgbe_dcb_82598.c index 9a5e89c..1bc57e5 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82598.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82598.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -38,15 +38,14 @@ * * Configure packet buffers for DCB mode. */ -static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, u8 rx_pba) { s32 ret_val = 0; u32 value = IXGBE_RXPBSIZE_64KB; u8 i = 0; /* Setup Rx packet buffer sizes */ - switch (dcb_config->rx_pba_cfg) { + switch (rx_pba) { case pba_80_48: /* Setup the first four at 80KB */ value = IXGBE_RXPBSIZE_80KB; @@ -78,10 +77,11 @@ static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, * * Configure Rx Data Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg = 0; u32 credit_refill = 0; u32 credit_max = 0; @@ -102,13 +102,12 @@ static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_RX_CONFIG]; - credit_refill = p->data_credits_refill; - credit_max = p->data_credits_max; + credit_refill = refill[i]; + credit_max = max[i]; reg = credit_refill | (credit_max << IXGBE_RT2CR_MCL_SHIFT); - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RT2CR_LSP; IXGBE_WRITE_REG(hw, IXGBE_RT2CR(i), reg); @@ -135,10 +134,12 @@ static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, * * Configure Tx Descriptor Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg, max_credits; u8 i; @@ -146,10 +147,8 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Enable arbiter */ reg &= ~IXGBE_DPMCS_ARBDIS; - if (!(dcb_config->round_robin_enable)) { - /* Enable DFP and Recycle mode */ - reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); - } + /* Enable DFP and Recycle mode */ + reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); reg |= IXGBE_DPMCS_TSOEF; /* Configure Max TSO packet size 34KB including payload and headers */ reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); @@ -158,16 +157,15 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - max_credits = dcb_config->tc_config[i].desc_credits_max; + max_credits = max[i]; reg = max_credits << IXGBE_TDTQ2TCCR_MCL_SHIFT; - reg |= p->data_credits_refill; - reg |= (u32)(p->bwg_id) << IXGBE_TDTQ2TCCR_BWG_SHIFT; + reg |= refill[i]; + reg |= (u32)(bwg_id[i]) << IXGBE_TDTQ2TCCR_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_TDTQ2TCCR_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_TDTQ2TCCR_LSP; IXGBE_WRITE_REG(hw, IXGBE_TDTQ2TCCR(i), reg); @@ -183,10 +181,12 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, * * Configure Tx Data Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg; u8 i; @@ -200,15 +200,14 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - reg = p->data_credits_refill; - reg |= (u32)(p->data_credits_max) << IXGBE_TDPT2TCCR_MCL_SHIFT; - reg |= (u32)(p->bwg_id) << IXGBE_TDPT2TCCR_BWG_SHIFT; + reg = refill[i]; + reg |= (u32)(max[i]) << IXGBE_TDPT2TCCR_MCL_SHIFT; + reg |= (u32)(bwg_id[i]) << IXGBE_TDPT2TCCR_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_TDPT2TCCR_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_TDPT2TCCR_LSP; IXGBE_WRITE_REG(hw, IXGBE_TDPT2TCCR(i), reg); @@ -229,59 +228,57 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, * * Configure Priority Flow Control for each traffic class. */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en) { u32 reg, rx_pba_size; u8 i; - if (!dcb_config->pfc_mode_enable) - goto out; - - /* Enable Transmit Priority Flow Control */ - reg = IXGBE_READ_REG(hw, IXGBE_RMCS); - reg &= ~IXGBE_RMCS_TFCE_802_3X; - /* correct the reporting of our flow control status */ - reg |= IXGBE_RMCS_TFCE_PRIORITY; - IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg); - - /* Enable Receive Priority Flow Control */ - reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); - reg &= ~IXGBE_FCTRL_RFCE; - reg |= IXGBE_FCTRL_RPFCE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg); + if (pfc_en) { + /* Enable Transmit Priority Flow Control */ + reg = IXGBE_READ_REG(hw, IXGBE_RMCS); + reg &= ~IXGBE_RMCS_TFCE_802_3X; + /* correct the reporting of our flow control status */ + reg |= IXGBE_RMCS_TFCE_PRIORITY; + IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg); + + /* Enable Receive Priority Flow Control */ + reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); + reg &= ~IXGBE_FCTRL_RFCE; + reg |= IXGBE_FCTRL_RPFCE; + IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg); + + /* Configure pause time */ + for (i = 0; i < (MAX_TRAFFIC_CLASS >> 1); i++) + IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), 0x68006800); + + /* Configure flow control refresh threshold value */ + IXGBE_WRITE_REG(hw, IXGBE_FCRTV, 0x3400); + } /* * Configure flow control thresholds and enable priority flow control * for each traffic class. */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + int enabled = pfc_en & (1 << i); rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; reg = (rx_pba_size - hw->fc.low_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full) + if (enabled == pfc_enabled_tx || + enabled == pfc_enabled_full) reg |= IXGBE_FCRTL_XONE; IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), reg); reg = (rx_pba_size - hw->fc.high_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full) + if (enabled == pfc_enabled_tx || + enabled == pfc_enabled_full) reg |= IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), reg); } - /* Configure pause time */ - for (i = 0; i < (MAX_TRAFFIC_CLASS >> 1); i++) - IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), 0x68006800); - - /* Configure flow control refresh threshold value */ - IXGBE_WRITE_REG(hw, IXGBE_FCRTV, 0x3400); - -out: return 0; } @@ -292,7 +289,7 @@ out: * Configure queue statistics registers, all queues belonging to same traffic * class uses a single set of queue statistics counters. */ -static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) +s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) { u32 reg = 0; u8 i = 0; @@ -325,13 +322,16 @@ static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) * Configure dcb settings and enable dcb mode. */ s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type) { - ixgbe_dcb_config_packet_buffers_82598(hw, dcb_config); - ixgbe_dcb_config_rx_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_tx_desc_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_tx_data_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_pfc_82598(hw, dcb_config); + ixgbe_dcb_config_packet_buffers_82598(hw, rx_pba); + ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, prio_type); + ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_pfc_82598(hw, pfc_en); ixgbe_dcb_config_tc_stats_82598(hw); return 0; diff --git a/drivers/net/ixgbe/ixgbe_dcb_82598.h b/drivers/net/ixgbe/ixgbe_dcb_82598.h index abc03cc..1e9750c 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82598.h +++ b/drivers/net/ixgbe/ixgbe_dcb_82598.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -71,9 +71,28 @@ /* DCB hardware-specific driver APIs */ /* DCB PFC functions */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, struct ixgbe_dcb_config *); +s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, u8 pfc_en); /* DCB hw initialization */ -s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *, struct ixgbe_dcb_config *); +s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type); #endif /* _DCB_82598_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c index 374e1f7..025af8c 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -33,19 +33,18 @@ /** * ixgbe_dcb_config_packet_buffers_82599 - Configure DCB packet buffers * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @rx_pba: method to distribute packet buffer * * Configure packet buffers for DCB mode. */ -static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, u8 rx_pba) { s32 ret_val = 0; u32 value = IXGBE_RXPBSIZE_64KB; u8 i = 0; /* Setup Rx packet buffer sizes */ - switch (dcb_config->rx_pba_cfg) { + switch (rx_pba) { case pba_80_48: /* Setup the first four at 80KB */ value = IXGBE_RXPBSIZE_80KB; @@ -75,14 +74,20 @@ static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_rx_arbiter_82599 - Config Rx Data arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Rx Packet Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type, + u8 *prio_tc) { - struct tc_bw_alloc *p; u32 reg = 0; u32 credit_refill = 0; u32 credit_max = 0; @@ -98,20 +103,18 @@ static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, /* Map all traffic classes to their UP, 1 to 1 */ reg = 0; for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - reg |= (i << (i * IXGBE_RTRUP2TC_UP_SHIFT)); + reg |= (prio_tc[i] << (i * IXGBE_RTRUP2TC_UP_SHIFT)); IXGBE_WRITE_REG(hw, IXGBE_RTRUP2TC, reg); /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_RX_CONFIG]; - - credit_refill = p->data_credits_refill; - credit_max = p->data_credits_max; + credit_refill = refill[i]; + credit_max = max[i]; reg = credit_refill | (credit_max << IXGBE_RTRPT4C_MCL_SHIFT); - reg |= (u32)(p->bwg_id) << IXGBE_RTRPT4C_BWG_SHIFT; + reg |= (u32)(bwg_id[i]) << IXGBE_RTRPT4C_BWG_SHIFT; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RTRPT4C_LSP; IXGBE_WRITE_REG(hw, IXGBE_RTRPT4C(i), reg); @@ -130,14 +133,19 @@ static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_tx_desc_arbiter_82599 - Config Tx Desc. arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Tx Descriptor Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg, max_credits; u8 i; @@ -149,16 +157,15 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - max_credits = dcb_config->tc_config[i].desc_credits_max; + max_credits = max[i]; reg = max_credits << IXGBE_RTTDT2C_MCL_SHIFT; - reg |= p->data_credits_refill; - reg |= (u32)(p->bwg_id) << IXGBE_RTTDT2C_BWG_SHIFT; + reg |= refill[i]; + reg |= (u32)(bwg_id[i]) << IXGBE_RTTDT2C_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_RTTDT2C_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RTTDT2C_LSP; IXGBE_WRITE_REG(hw, IXGBE_RTTDT2C(i), reg); @@ -177,14 +184,20 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_tx_data_arbiter_82599 - Config Tx Data arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Tx Packet Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type, + u8 *prio_tc) { - struct tc_bw_alloc *p; u32 reg; u8 i; @@ -200,20 +213,19 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, /* Map all traffic classes to their UP, 1 to 1 */ reg = 0; for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - reg |= (i << (i * IXGBE_RTTUP2TC_UP_SHIFT)); + reg |= (prio_tc[i] << (i * IXGBE_RTTUP2TC_UP_SHIFT)); IXGBE_WRITE_REG(hw, IXGBE_RTTUP2TC, reg); /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - reg = p->data_credits_refill; - reg |= (u32)(p->data_credits_max) << IXGBE_RTTPT2C_MCL_SHIFT; - reg |= (u32)(p->bwg_id) << IXGBE_RTTPT2C_BWG_SHIFT; + reg = refill[i]; + reg |= (u32)(max[i]) << IXGBE_RTTPT2C_MCL_SHIFT; + reg |= (u32)(bwg_id[i]) << IXGBE_RTTPT2C_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_RTTPT2C_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RTTPT2C_LSP; IXGBE_WRITE_REG(hw, IXGBE_RTTPT2C(i), reg); @@ -233,63 +245,59 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_pfc_82599 - Configure priority flow control * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @pfc_en: enabled pfc bitmask * * Configure Priority Flow Control (PFC) for each traffic class. */ -s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en) { u32 i, reg, rx_pba_size; - /* If PFC is disabled globally then fall back to LFC. */ - if (!dcb_config->pfc_mode_enable) { - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - hw->mac.ops.fc_enable(hw, i); - goto out; - } - /* Configure PFC Tx thresholds per TC */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + int enabled = pfc_en & (1 << i); rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; reg = (rx_pba_size - hw->fc.low_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + if (enabled) reg |= IXGBE_FCRTL_XONE; IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); reg = (rx_pba_size - hw->fc.high_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + if (enabled) reg |= IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); } - /* Configure pause time (2 TCs per register) */ - reg = hw->fc.pause_time | (hw->fc.pause_time << 16); - for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) - IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); - - /* Configure flow control refresh threshold value */ - IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2); - - /* Enable Transmit PFC */ - reg = IXGBE_FCCFG_TFCE_PRIORITY; - IXGBE_WRITE_REG(hw, IXGBE_FCCFG, reg); + if (pfc_en) { + /* Configure pause time (2 TCs per register) */ + reg = hw->fc.pause_time | (hw->fc.pause_time << 16); + for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) + IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); + + /* Configure flow control refresh threshold value */ + IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2); + + + reg = IXGBE_FCCFG_TFCE_PRIORITY; + IXGBE_WRITE_REG(hw, IXGBE_FCCFG, reg); + /* + * Enable Receive PFC + * We will always honor XOFF frames we receive when + * we are in PFC mode. + */ + reg = IXGBE_READ_REG(hw, IXGBE_MFLCN); + reg &= ~IXGBE_MFLCN_RFCE; + reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF; + IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg); + + } else { + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) + hw->mac.ops.fc_enable(hw, i); + } - /* - * Enable Receive PFC - * We will always honor XOFF frames we receive when - * we are in PFC mode. - */ - reg = IXGBE_READ_REG(hw, IXGBE_MFLCN); - reg &= ~IXGBE_MFLCN_RFCE; - reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF; - IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg); -out: return 0; } @@ -349,7 +357,6 @@ static s32 ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw *hw) /** * ixgbe_dcb_config_82599 - Configure general DCB parameters * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure * * Configure general DCB parameters. */ @@ -406,19 +413,28 @@ static s32 ixgbe_dcb_config_82599(struct ixgbe_hw *hw) /** * ixgbe_dcb_hw_config_82599 - Configure and enable DCB * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @rx_pba: method to distribute packet buffer + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class + * @pfc_en: enabled pfc bitmask * * Configure dcb settings and enable dcb mode. */ s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type, u8 *prio_tc) { - ixgbe_dcb_config_packet_buffers_82599(hw, dcb_config); + ixgbe_dcb_config_packet_buffers_82599(hw, rx_pba); ixgbe_dcb_config_82599(hw); - ixgbe_dcb_config_rx_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_tx_desc_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_tx_data_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_pfc_82599(hw, dcb_config); + ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, bwg_id, + prio_type, prio_tc); + ixgbe_dcb_config_tx_desc_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82599(hw, refill, max, + bwg_id, prio_type, prio_tc); + ixgbe_dcb_config_pfc_82599(hw, pfc_en); ixgbe_dcb_config_tc_stats_82599(hw); return 0; diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.h b/drivers/net/ixgbe/ixgbe_dcb_82599.h index 3841649..148fd8b 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.h +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -102,11 +102,32 @@ /* DCB hardware-specific driver APIs */ /* DCB PFC functions */ -s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config); +s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en); /* DCB hw initialization */ +s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type, + u8 *prio_tc); + +s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type, + u8 *prio_tc); + s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *config); + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type, + u8 *prio_tc); #endif /* _DCB_82599_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c index bf566e8..fec4c72 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -37,7 +37,6 @@ #define BIT_PG_RX 0x04 #define BIT_PG_TX 0x08 #define BIT_APP_UPCHG 0x10 -#define BIT_RESETLINK 0x40 #define BIT_LINKSPEED 0x80 /* Responses for the DCB_C_SET_ALL command */ @@ -130,7 +129,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) netdev->netdev_ops->ndo_stop(netdev); ixgbe_clear_interrupt_scheme(adapter); - adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; switch (adapter->hw.mac.type) { case ixgbe_mac_82598EB: adapter->last_lfc_mode = adapter->hw.fc.current_mode; @@ -146,6 +144,9 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) } adapter->flags |= IXGBE_FLAG_DCB_ENABLED; + if (!netdev_get_num_tc(netdev)) + ixgbe_setup_tc(netdev, MAX_TRAFFIC_CLASS); + ixgbe_init_interrupt_scheme(adapter); if (netif_running(netdev)) netdev->netdev_ops->ndo_open(netdev); @@ -160,7 +161,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) adapter->temp_dcb_cfg.pfc_mode_enable = false; adapter->dcb_cfg.pfc_mode_enable = false; adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; - adapter->flags |= IXGBE_FLAG_RSS_ENABLED; switch (adapter->hw.mac.type) { case ixgbe_mac_82599EB: case ixgbe_mac_X540: @@ -170,6 +170,8 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) break; } + ixgbe_setup_tc(netdev, 0); + ixgbe_init_interrupt_scheme(adapter); if (netif_running(netdev)) netdev->netdev_ops->ndo_open(netdev); @@ -225,10 +227,8 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent != adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) || (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) { + adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) adapter->dcb_set_bitmap |= BIT_PG_TX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, @@ -239,10 +239,8 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct; if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] != - adapter->dcb_cfg.bw_percentage[0][bwg_id]) { + adapter->dcb_cfg.bw_percentage[0][bwg_id]) adapter->dcb_set_bitmap |= BIT_PG_TX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, @@ -269,10 +267,8 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent != adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) || (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) { + adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) adapter->dcb_set_bitmap |= BIT_PG_RX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, @@ -283,10 +279,8 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct; if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] != - adapter->dcb_cfg.bw_percentage[1][bwg_id]) { + adapter->dcb_cfg.bw_percentage[1][bwg_id]) adapter->dcb_set_bitmap |= BIT_PG_RX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, @@ -355,31 +349,28 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) struct ixgbe_adapter *adapter = netdev_priv(netdev); int ret; - if (!adapter->dcb_set_bitmap) + if (!adapter->dcb_set_bitmap || + !(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return DCB_NO_HW_CHG; ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg, - adapter->ring_feature[RING_F_DCB].indices); + MAX_TRAFFIC_CLASS); if (ret) return DCB_NO_HW_CHG; /* - * Only take down the adapter if the configuration change - * requires a reset. + * Only take down the adapter if an app change occured. FCoE + * may shuffle tx rings in this case and this can not be done + * without a reset currently. */ - if (adapter->dcb_set_bitmap & BIT_RESETLINK) { + if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) msleep(1); - if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - ixgbe_clear_interrupt_scheme(adapter); - } else { - if (netif_running(netdev)) - ixgbe_down(adapter); - } + if (netif_running(netdev)) + netdev->netdev_ops->ndo_stop(netdev); + ixgbe_clear_interrupt_scheme(adapter); } if (adapter->dcb_cfg.pfc_mode_enable) { @@ -408,29 +399,53 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) } } - if (adapter->dcb_set_bitmap & BIT_RESETLINK) { - if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { - ixgbe_init_interrupt_scheme(adapter); - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - } else { - if (netif_running(netdev)) - ixgbe_up(adapter); - } + if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { + ixgbe_init_interrupt_scheme(adapter); + if (netif_running(netdev)) + netdev->netdev_ops->ndo_open(netdev); ret = DCB_HW_CHG_RST; - } else if (adapter->dcb_set_bitmap & BIT_PFC) { - if (adapter->hw.mac.type == ixgbe_mac_82598EB) - ixgbe_dcb_config_pfc_82598(&adapter->hw, - &adapter->dcb_cfg); - else if (adapter->hw.mac.type == ixgbe_mac_82599EB) - ixgbe_dcb_config_pfc_82599(&adapter->hw, - &adapter->dcb_cfg); + } + + if (adapter->dcb_set_bitmap & BIT_PFC) { + u8 pfc_en; + ixgbe_dcb_unpack_pfc(&adapter->dcb_cfg, &pfc_en); + ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc_en); ret = DCB_HW_CHG; } + + if (adapter->dcb_set_bitmap & (BIT_PG_TX|BIT_PG_RX)) { + u16 refill[MAX_TRAFFIC_CLASS], max[MAX_TRAFFIC_CLASS]; + u8 bwg_id[MAX_TRAFFIC_CLASS], prio_type[MAX_TRAFFIC_CLASS]; + /* Priority to TC mapping in CEE case default to 1:1 */ + u8 prio_tc[MAX_TRAFFIC_CLASS] = {0, 1, 2, 3, 4, 5, 6, 7}; + int max_frame = adapter->netdev->mtu + ETH_HLEN + ETH_FCS_LEN; + +#ifdef CONFIG_FCOE + if (adapter->netdev->features & NETIF_F_FCOE_MTU) + max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); +#endif + + ixgbe_dcb_calculate_tc_credits(&adapter->hw, &adapter->dcb_cfg, + max_frame, DCB_TX_CONFIG); + ixgbe_dcb_calculate_tc_credits(&adapter->hw, &adapter->dcb_cfg, + max_frame, DCB_RX_CONFIG); + + ixgbe_dcb_unpack_refill(&adapter->dcb_cfg, + DCB_TX_CONFIG, refill); + ixgbe_dcb_unpack_max(&adapter->dcb_cfg, max); + ixgbe_dcb_unpack_bwgid(&adapter->dcb_cfg, + DCB_TX_CONFIG, bwg_id); + ixgbe_dcb_unpack_prio(&adapter->dcb_cfg, + DCB_TX_CONFIG, prio_type); + + ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max, + bwg_id, prio_type, prio_tc); + } + if (adapter->dcb_cfg.pfc_mode_enable) adapter->hw.fc.current_mode = ixgbe_fc_pfc; - if (adapter->dcb_set_bitmap & BIT_RESETLINK) + if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) clear_bit(__IXGBE_RESETTING, &adapter->state); adapter->dcb_set_bitmap = 0x00; return ret; @@ -439,40 +454,38 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - u8 rval = 0; - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - switch (capid) { - case DCB_CAP_ATTR_PG: - *cap = true; - break; - case DCB_CAP_ATTR_PFC: - *cap = true; - break; - case DCB_CAP_ATTR_UP2TC: - *cap = false; - break; - case DCB_CAP_ATTR_PG_TCS: - *cap = 0x80; - break; - case DCB_CAP_ATTR_PFC_TCS: - *cap = 0x80; - break; - case DCB_CAP_ATTR_GSP: - *cap = true; - break; - case DCB_CAP_ATTR_BCN: - *cap = false; - break; - default: - rval = -EINVAL; - break; - } - } else { - rval = -EINVAL; + switch (capid) { + case DCB_CAP_ATTR_PG: + *cap = true; + break; + case DCB_CAP_ATTR_PFC: + *cap = true; + break; + case DCB_CAP_ATTR_UP2TC: + *cap = false; + break; + case DCB_CAP_ATTR_PG_TCS: + *cap = 0x80; + break; + case DCB_CAP_ATTR_PFC_TCS: + *cap = 0x80; + break; + case DCB_CAP_ATTR_GSP: + *cap = true; + break; + case DCB_CAP_ATTR_BCN: + *cap = false; + break; + case DCB_CAP_ATTR_DCBX: + *cap = adapter->dcbx_cap; + break; + default: + *cap = false; + break; } - return rval; + return 0; } static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) @@ -533,21 +546,16 @@ static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state) */ static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) { - u8 rval = 0; + struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct dcb_app app = { + .selector = idtype, + .protocol = id, + }; - switch (idtype) { - case DCB_APP_IDTYPE_ETHTYPE: -#ifdef IXGBE_FCOE - if (id == ETH_P_FCOE) - rval = ixgbe_fcoe_getapp(netdev_priv(netdev)); -#endif - break; - case DCB_APP_IDTYPE_PORTNUM: - break; - default: - break; - } - return rval; + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + return 0; + + return dcb_getapp(netdev, &app); } /** @@ -562,24 +570,45 @@ static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, u8 idtype, u16 id, u8 up) { + struct ixgbe_adapter *adapter = netdev_priv(netdev); u8 rval = 1; + struct dcb_app app = { + .selector = idtype, + .protocol = id, + .priority = up + }; + + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + return rval; + + rval = dcb_setapp(netdev, &app); switch (idtype) { case DCB_APP_IDTYPE_ETHTYPE: #ifdef IXGBE_FCOE if (id == ETH_P_FCOE) { - u8 tc; - struct ixgbe_adapter *adapter; + u8 old_tc; - adapter = netdev_priv(netdev); - tc = adapter->fcoe.tc; + /* Get current programmed tc */ + old_tc = adapter->fcoe.tc; rval = ixgbe_fcoe_setapp(adapter, up); - if ((!rval) && (tc != adapter->fcoe.tc) && - (adapter->flags & IXGBE_FLAG_DCB_ENABLED) && - (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) { + + if (rval || + !(adapter->flags & IXGBE_FLAG_DCB_ENABLED) || + !(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) + break; + + /* The FCoE application priority may be changed multiple + * times in quick sucession with switches that build up + * TLVs. To avoid creating uneeded device resets this + * checks the actual HW configuration and clears + * BIT_APP_UPCHG if a HW configuration change is not + * need + */ + if (old_tc == adapter->fcoe.tc) + adapter->dcb_set_bitmap &= ~BIT_APP_UPCHG; + else adapter->dcb_set_bitmap |= BIT_APP_UPCHG; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } #endif break; @@ -591,7 +620,204 @@ static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, return rval; } +static int ixgbe_dcbnl_ieee_getets(struct net_device *dev, + struct ieee_ets *ets) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ieee_ets *my_ets = adapter->ixgbe_ieee_ets; + + /* No IEEE PFC settings available */ + if (!my_ets) + return -EINVAL; + + ets->ets_cap = MAX_TRAFFIC_CLASS; + ets->cbs = my_ets->cbs; + memcpy(ets->tc_tx_bw, my_ets->tc_tx_bw, sizeof(ets->tc_tx_bw)); + memcpy(ets->tc_rx_bw, my_ets->tc_rx_bw, sizeof(ets->tc_rx_bw)); + memcpy(ets->tc_tsa, my_ets->tc_tsa, sizeof(ets->tc_tsa)); + memcpy(ets->prio_tc, my_ets->prio_tc, sizeof(ets->prio_tc)); + return 0; +} + +static int ixgbe_dcbnl_ieee_setets(struct net_device *dev, + struct ieee_ets *ets) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + __u16 refill[IEEE_8021QAZ_MAX_TCS], max[IEEE_8021QAZ_MAX_TCS]; + __u8 prio_type[IEEE_8021QAZ_MAX_TCS]; + int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; + int i, err; + __u64 *p = (__u64 *) ets->prio_tc; + /* naively give each TC a bwg to map onto CEE hardware */ + __u8 bwg_id[IEEE_8021QAZ_MAX_TCS] = {0, 1, 2, 3, 4, 5, 6, 7}; + + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + return -EINVAL; + + if (!adapter->ixgbe_ieee_ets) { + adapter->ixgbe_ieee_ets = kmalloc(sizeof(struct ieee_ets), + GFP_KERNEL); + if (!adapter->ixgbe_ieee_ets) + return -ENOMEM; + } + + memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets)); + + /* Map TSA onto CEE prio type */ + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + switch (ets->tc_tsa[i]) { + case IEEE_8021QAZ_TSA_STRICT: + prio_type[i] = 2; + break; + case IEEE_8021QAZ_TSA_ETS: + prio_type[i] = 0; + break; + default: + /* Hardware only supports priority strict or + * ETS transmission selection algorithms if + * we receive some other value from dcbnl + * throw an error + */ + return -EINVAL; + } + } + + if (*p) + ixgbe_dcbnl_set_state(dev, 1); + else + ixgbe_dcbnl_set_state(dev, 0); + + ixgbe_ieee_credits(ets->tc_tx_bw, refill, max, max_frame); + err = ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max, + bwg_id, prio_type, ets->prio_tc); + return err; +} + +static int ixgbe_dcbnl_ieee_getpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ieee_pfc *my_pfc = adapter->ixgbe_ieee_pfc; + int i; + + /* No IEEE PFC settings available */ + if (!my_pfc) + return -EINVAL; + + pfc->pfc_cap = MAX_TRAFFIC_CLASS; + pfc->pfc_en = my_pfc->pfc_en; + pfc->mbc = my_pfc->mbc; + pfc->delay = my_pfc->delay; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + pfc->requests[i] = adapter->stats.pxoffrxc[i]; + pfc->indications[i] = adapter->stats.pxofftxc[i]; + } + + return 0; +} + +static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + int err; + + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + return -EINVAL; + + if (!adapter->ixgbe_ieee_pfc) { + adapter->ixgbe_ieee_pfc = kmalloc(sizeof(struct ieee_pfc), + GFP_KERNEL); + if (!adapter->ixgbe_ieee_pfc) + return -ENOMEM; + } + + memcpy(adapter->ixgbe_ieee_pfc, pfc, sizeof(*adapter->ixgbe_ieee_pfc)); + err = ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en); + return err; +} + +static int ixgbe_dcbnl_ieee_setapp(struct net_device *dev, + struct dcb_app *app) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + return -EINVAL; +#ifdef IXGBE_FCOE + if (app->selector == 1 && app->protocol == ETH_P_FCOE) { + if (adapter->fcoe.tc == app->priority) + goto setapp; + + /* In IEEE mode map up to tc 1:1 */ + adapter->fcoe.tc = app->priority; + adapter->fcoe.up = app->priority; + + /* Force hardware reset required to push FCoE + * setup on {tx|rx}_rings + */ + adapter->dcb_set_bitmap |= BIT_APP_UPCHG; + ixgbe_dcbnl_set_all(dev); + } + +setapp: +#endif + dcb_setapp(dev, app); + return 0; +} + +static u8 ixgbe_dcbnl_getdcbx(struct net_device *dev) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + return adapter->dcbx_cap; +} + +static u8 ixgbe_dcbnl_setdcbx(struct net_device *dev, u8 mode) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ieee_ets ets = {0}; + struct ieee_pfc pfc = {0}; + + /* no support for LLD_MANAGED modes or CEE+IEEE */ + if ((mode & DCB_CAP_DCBX_LLD_MANAGED) || + ((mode & DCB_CAP_DCBX_VER_IEEE) && (mode & DCB_CAP_DCBX_VER_CEE)) || + !(mode & DCB_CAP_DCBX_HOST)) + return 1; + + if (mode == adapter->dcbx_cap) + return 0; + + adapter->dcbx_cap = mode; + + /* ETS and PFC defaults */ + ets.ets_cap = 8; + pfc.pfc_cap = 8; + + if (mode & DCB_CAP_DCBX_VER_IEEE) { + ixgbe_dcbnl_ieee_setets(dev, &ets); + ixgbe_dcbnl_ieee_setpfc(dev, &pfc); + } else if (mode & DCB_CAP_DCBX_VER_CEE) { + adapter->dcb_set_bitmap |= (BIT_PFC & BIT_PG_TX & BIT_PG_RX); + ixgbe_dcbnl_set_all(dev); + } else { + /* Drop into single TC mode strict priority as this + * indicates CEE and IEEE versions are disabled + */ + ixgbe_dcbnl_ieee_setets(dev, &ets); + ixgbe_dcbnl_ieee_setpfc(dev, &pfc); + ixgbe_dcbnl_set_state(dev, 0); + } + + return 0; +} + const struct dcbnl_rtnl_ops dcbnl_ops = { + .ieee_getets = ixgbe_dcbnl_ieee_getets, + .ieee_setets = ixgbe_dcbnl_ieee_setets, + .ieee_getpfc = ixgbe_dcbnl_ieee_getpfc, + .ieee_setpfc = ixgbe_dcbnl_ieee_setpfc, + .ieee_setapp = ixgbe_dcbnl_ieee_setapp, .getstate = ixgbe_dcbnl_get_state, .setstate = ixgbe_dcbnl_set_state, .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr, @@ -613,5 +839,6 @@ const struct dcbnl_rtnl_ops dcbnl_ops = { .setpfcstate = ixgbe_dcbnl_setpfcstate, .getapp = ixgbe_dcbnl_getapp, .setapp = ixgbe_dcbnl_setapp, + .getdcbx = ixgbe_dcbnl_getdcbx, + .setdcbx = ixgbe_dcbnl_setdcbx, }; - diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 2002ea8..76380a2 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -152,20 +152,35 @@ static int ixgbe_get_settings(struct net_device *netdev, ecmd->supported |= (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg); + switch (hw->mac.type) { + case ixgbe_mac_X540: + ecmd->supported |= SUPPORTED_100baseT_Full; + break; + default: + break; + } + ecmd->advertising = ADVERTISED_Autoneg; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) - ecmd->advertising |= ADVERTISED_10000baseT_Full; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) - ecmd->advertising |= ADVERTISED_1000baseT_Full; - /* - * It's possible that phy.autoneg_advertised may not be - * set yet. If so display what the default would be - - * both 1G and 10G supported. - */ - if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full | - ADVERTISED_10000baseT_Full))) + if (hw->phy.autoneg_advertised) { + if (hw->phy.autoneg_advertised & + IXGBE_LINK_SPEED_100_FULL) + ecmd->advertising |= ADVERTISED_100baseT_Full; + if (hw->phy.autoneg_advertised & + IXGBE_LINK_SPEED_10GB_FULL) + ecmd->advertising |= ADVERTISED_10000baseT_Full; + if (hw->phy.autoneg_advertised & + IXGBE_LINK_SPEED_1GB_FULL) + ecmd->advertising |= ADVERTISED_1000baseT_Full; + } else { + /* + * Default advertised modes in case + * phy.autoneg_advertised isn't set. + */ ecmd->advertising |= (ADVERTISED_10000baseT_Full | ADVERTISED_1000baseT_Full); + if (hw->mac.type == ixgbe_mac_X540) + ecmd->advertising |= ADVERTISED_100baseT_Full; + } if (hw->phy.media_type == ixgbe_media_type_copper) { ecmd->supported |= SUPPORTED_TP; @@ -271,8 +286,19 @@ static int ixgbe_get_settings(struct net_device *netdev, hw->mac.ops.check_link(hw, &link_speed, &link_up, false); if (link_up) { - ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ? - SPEED_10000 : SPEED_1000; + switch (link_speed) { + case IXGBE_LINK_SPEED_10GB_FULL: + ecmd->speed = SPEED_10000; + break; + case IXGBE_LINK_SPEED_1GB_FULL: + ecmd->speed = SPEED_1000; + break; + case IXGBE_LINK_SPEED_100_FULL: + ecmd->speed = SPEED_100; + break; + default: + break; + } ecmd->duplex = DUPLEX_FULL; } else { ecmd->speed = -1; @@ -306,6 +332,9 @@ static int ixgbe_set_settings(struct net_device *netdev, if (ecmd->advertising & ADVERTISED_1000baseT_Full) advertised |= IXGBE_LINK_SPEED_1GB_FULL; + if (ecmd->advertising & ADVERTISED_100baseT_Full) + advertised |= IXGBE_LINK_SPEED_100_FULL; + if (old == advertised) return err; /* this sets the link speed and restarts auto-neg */ diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index 8753980..dba7d77 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -135,22 +135,19 @@ out_ddp_put: return len; } + /** - * ixgbe_fcoe_ddp_get - called to set up ddp context + * ixgbe_fcoe_ddp_setup - called to set up ddp context * @netdev: the corresponding net_device * @xid: the exchange id requesting ddp * @sgl: the scatter-gather list for this request * @sgc: the number of scatter-gather items * - * This is the implementation of net_device_ops.ndo_fcoe_ddp_setup - * and is expected to be called from ULD, e.g., FCP layer of libfc - * to set up ddp for the corresponding xid of the given sglist for - * the corresponding I/O. - * * Returns : 1 for success and 0 for no ddp */ -int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, - struct scatterlist *sgl, unsigned int sgc) +static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid, + struct scatterlist *sgl, unsigned int sgc, + int target_mode) { struct ixgbe_adapter *adapter; struct ixgbe_hw *hw; @@ -159,12 +156,12 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, struct scatterlist *sg; unsigned int i, j, dmacount; unsigned int len; - static const unsigned int bufflen = 4096; + static const unsigned int bufflen = IXGBE_FCBUFF_MIN; unsigned int firstoff = 0; unsigned int lastsize; unsigned int thisoff = 0; unsigned int thislen = 0; - u32 fcbuff, fcdmarw, fcfltrw; + u32 fcbuff, fcdmarw, fcfltrw, fcrxctl; dma_addr_t addr = 0; if (!netdev || !sgl) @@ -254,9 +251,30 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, /* only the last buffer may have non-full bufflen */ lastsize = thisoff + thislen; + /* + * lastsize can not be buffer len. + * If it is then adding another buffer with lastsize = 1. + */ + if (lastsize == bufflen) { + if (j >= IXGBE_BUFFCNT_MAX) { + e_err(drv, "xid=%x:%d,%d,%d:addr=%llx " + "not enough user buffers. We need an extra " + "buffer because lastsize is bufflen.\n", + xid, i, j, dmacount, (u64)addr); + goto out_noddp_free; + } + + ddp->udl[j] = (u64)(fcoe->extra_ddp_buffer_dma); + j++; + lastsize = 1; + } + fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT); fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT); fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT); + /* Set WRCONTX bit to allow DDP for target */ + if (target_mode) + fcbuff |= (IXGBE_FCBUFF_WRCONTX); fcbuff |= (IXGBE_FCBUFF_VALID); fcdmarw = xid; @@ -269,6 +287,16 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, /* program DMA context */ hw = &adapter->hw; spin_lock_bh(&fcoe->lock); + + /* turn on last frame indication for target mode as FCP_RSPtarget is + * supposed to send FCP_RSP when it is done. */ + if (target_mode && !test_bit(__IXGBE_FCOE_TARGET, &fcoe->mode)) { + set_bit(__IXGBE_FCOE_TARGET, &fcoe->mode); + fcrxctl = IXGBE_READ_REG(hw, IXGBE_FCRXCTRL); + fcrxctl |= IXGBE_FCRXCTRL_LASTSEQH; + IXGBE_WRITE_REG(hw, IXGBE_FCRXCTRL, fcrxctl); + } + IXGBE_WRITE_REG(hw, IXGBE_FCPTRL, ddp->udp & DMA_BIT_MASK(32)); IXGBE_WRITE_REG(hw, IXGBE_FCPTRH, (u64)ddp->udp >> 32); IXGBE_WRITE_REG(hw, IXGBE_FCBUFF, fcbuff); @@ -277,6 +305,7 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, IXGBE_WRITE_REG(hw, IXGBE_FCPARAM, 0); IXGBE_WRITE_REG(hw, IXGBE_FCFLT, IXGBE_FCFLT_VALID); IXGBE_WRITE_REG(hw, IXGBE_FCFLTRW, fcfltrw); + spin_unlock_bh(&fcoe->lock); return 1; @@ -291,6 +320,47 @@ out_noddp_unmap: } /** + * ixgbe_fcoe_ddp_get - called to set up ddp context in initiator mode + * @netdev: the corresponding net_device + * @xid: the exchange id requesting ddp + * @sgl: the scatter-gather list for this request + * @sgc: the number of scatter-gather items + * + * This is the implementation of net_device_ops.ndo_fcoe_ddp_setup + * and is expected to be called from ULD, e.g., FCP layer of libfc + * to set up ddp for the corresponding xid of the given sglist for + * the corresponding I/O. + * + * Returns : 1 for success and 0 for no ddp + */ +int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, + struct scatterlist *sgl, unsigned int sgc) +{ + return ixgbe_fcoe_ddp_setup(netdev, xid, sgl, sgc, 0); +} + +/** + * ixgbe_fcoe_ddp_target - called to set up ddp context in target mode + * @netdev: the corresponding net_device + * @xid: the exchange id requesting ddp + * @sgl: the scatter-gather list for this request + * @sgc: the number of scatter-gather items + * + * This is the implementation of net_device_ops.ndo_fcoe_ddp_target + * and is expected to be called from ULD, e.g., FCP layer of libfc + * to set up ddp for the corresponding xid of the given sglist for + * the corresponding I/O. The DDP in target mode is a write I/O request + * from the initiator. + * + * Returns : 1 for success and 0 for no ddp + */ +int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid, + struct scatterlist *sgl, unsigned int sgc) +{ + return ixgbe_fcoe_ddp_setup(netdev, xid, sgl, sgc, 1); +} + +/** * ixgbe_fcoe_ddp - check ddp status and mark it done * @adapter: ixgbe adapter * @rx_desc: advanced rx descriptor @@ -313,6 +383,7 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, struct ixgbe_fcoe *fcoe; struct ixgbe_fcoe_ddp *ddp; struct fc_frame_header *fh; + struct fcoe_crc_eof *crc; if (!ixgbe_rx_is_fcoe(rx_desc)) goto ddp_out; @@ -366,7 +437,18 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, else if (ddp->len) rc = ddp->len; } - + /* In target mode, check the last data frame of the sequence. + * For DDP in target mode, data is already DDPed but the header + * indication of the last data frame ould allow is to tell if we + * got all the data and the ULP can send FCP_RSP back, as this is + * not a full fcoe frame, we fill the trailer here so it won't be + * dropped by the ULP stack. + */ + if ((fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA) && + (fctl & FC_FC_END_SEQ)) { + crc = (struct fcoe_crc_eof *)skb_put(skb, sizeof(*crc)); + crc->fcoe_eof = FC_EOF_T; + } ddp_out: return rc; } @@ -532,6 +614,24 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter) e_err(drv, "failed to allocated FCoE DDP pool\n"); spin_lock_init(&fcoe->lock); + + /* Extra buffer to be shared by all DDPs for HW work around */ + fcoe->extra_ddp_buffer = kmalloc(IXGBE_FCBUFF_MIN, GFP_ATOMIC); + if (fcoe->extra_ddp_buffer == NULL) { + e_err(drv, "failed to allocated extra DDP buffer\n"); + goto out_extra_ddp_buffer_alloc; + } + + fcoe->extra_ddp_buffer_dma = + dma_map_single(&adapter->pdev->dev, + fcoe->extra_ddp_buffer, + IXGBE_FCBUFF_MIN, + DMA_FROM_DEVICE); + if (dma_mapping_error(&adapter->pdev->dev, + fcoe->extra_ddp_buffer_dma)) { + e_err(drv, "failed to map extra DDP buffer\n"); + goto out_extra_ddp_buffer_dma; + } } /* Enable L2 eth type filter for FCoE */ @@ -581,6 +681,14 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter) } } #endif + + return; + +out_extra_ddp_buffer_dma: + kfree(fcoe->extra_ddp_buffer); +out_extra_ddp_buffer_alloc: + pci_pool_destroy(fcoe->pool); + fcoe->pool = NULL; } /** @@ -600,6 +708,11 @@ void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter) if (fcoe->pool) { for (i = 0; i < IXGBE_FCOE_DDP_MAX; i++) ixgbe_fcoe_ddp_put(adapter->netdev, i); + dma_unmap_single(&adapter->pdev->dev, + fcoe->extra_ddp_buffer_dma, + IXGBE_FCBUFF_MIN, + DMA_FROM_DEVICE); + kfree(fcoe->extra_ddp_buffer); pci_pool_destroy(fcoe->pool); fcoe->pool = NULL; } @@ -700,21 +813,6 @@ out_disable: #ifdef CONFIG_IXGBE_DCB /** - * ixgbe_fcoe_getapp - retrieves current user priority bitmap for FCoE - * @adapter : ixgbe adapter - * - * Finds out the corresponding user priority bitmap from the current - * traffic class that FCoE belongs to. Returns 0 as the invalid user - * priority bitmap to indicate an error. - * - * Returns : 802.1p user priority bitmap for FCoE - */ -u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter) -{ - return 1 << adapter->fcoe.up; -} - -/** * ixgbe_fcoe_setapp - sets the user priority bitmap for FCoE * @adapter : ixgbe adapter * @up : 802.1p user priority bitmap @@ -791,5 +889,3 @@ int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type) } return rc; } - - diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h index 4bc2c55..5a650a4 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.h +++ b/drivers/net/ixgbe/ixgbe_fcoe.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -52,6 +52,9 @@ /* fcerr */ #define IXGBE_FCERR_BADCRC 0x00100000 +/* FCoE DDP for target mode */ +#define __IXGBE_FCOE_TARGET 1 + struct ixgbe_fcoe_ddp { int len; u32 err; @@ -66,10 +69,13 @@ struct ixgbe_fcoe { u8 tc; u8 up; #endif + unsigned long mode; atomic_t refcnt; spinlock_t lock; struct pci_pool *pool; struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX]; + unsigned char *extra_ddp_buffer; + dma_addr_t extra_ddp_buffer_dma; }; #endif /* _IXGBE_FCOE_H */ diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index fbae703..f17e4a7 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -54,7 +54,8 @@ static const char ixgbe_driver_string[] = #define DRV_VERSION "3.2.9-k2" const char ixgbe_driver_version[] = DRV_VERSION; -static char ixgbe_copyright[] = "Copyright (c) 1999-2010 Intel Corporation."; +static const char ixgbe_copyright[] = + "Copyright (c) 1999-2011 Intel Corporation."; static const struct ixgbe_info *ixgbe_info_tbl[] = { [board_82598] = &ixgbe_82598_info, @@ -648,10 +649,10 @@ void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *tx_ring, * * Returns : a tc index for use in range 0-7, or 0-3 */ -u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 reg_idx) +static u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 reg_idx) { int tc = -1; - int dcb_i = adapter->ring_feature[RING_F_DCB].indices; + int dcb_i = netdev_get_num_tc(adapter->netdev); /* if DCB is not enabled the queues have no TC */ if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) @@ -2597,6 +2598,11 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter) i--; for (; i >= 0; i--) { + /* free only the irqs that were actually requested */ + if (!adapter->q_vector[i]->rxr_count && + !adapter->q_vector[i]->txr_count) + continue; + free_irq(adapter->msix_entries[i].vector, adapter->q_vector[i]); } @@ -2886,17 +2892,20 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter) ); switch (mask) { +#ifdef CONFIG_IXGBE_DCB + case (IXGBE_FLAG_DCB_ENABLED | IXGBE_FLAG_RSS_ENABLED): + mrqc = IXGBE_MRQC_RTRSS8TCEN; + break; + case (IXGBE_FLAG_DCB_ENABLED): + mrqc = IXGBE_MRQC_RT8TCEN; + break; +#endif /* CONFIG_IXGBE_DCB */ case (IXGBE_FLAG_RSS_ENABLED): mrqc = IXGBE_MRQC_RSSEN; break; case (IXGBE_FLAG_SRIOV_ENABLED): mrqc = IXGBE_MRQC_VMDQEN; break; -#ifdef CONFIG_IXGBE_DCB - case (IXGBE_FLAG_DCB_ENABLED): - mrqc = IXGBE_MRQC_RT8TCEN; - break; -#endif /* CONFIG_IXGBE_DCB */ default: break; } @@ -3077,6 +3086,14 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter, ixgbe_configure_srrctl(adapter, ring); ixgbe_configure_rscctl(adapter, ring); + /* If operating in IOV mode set RLPML for X540 */ + if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) && + hw->mac.type == ixgbe_mac_X540) { + rxdctl &= ~IXGBE_RXDCTL_RLPMLMASK; + rxdctl |= ((ring->netdev->mtu + ETH_HLEN + + ETH_FCS_LEN + VLAN_HLEN) | IXGBE_RXDCTL_RLPML_EN); + } + if (hw->mac.type == ixgbe_mac_82598EB) { /* * enable cache line friendly hardware writes: @@ -3641,15 +3658,6 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) if (hw->mac.type == ixgbe_mac_82598EB) netif_set_gso_max_size(adapter->netdev, 32768); -#ifdef CONFIG_FCOE - if (adapter->netdev->features & NETIF_F_FCOE_MTU) - max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); -#endif - - ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, - DCB_TX_CONFIG); - ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, - DCB_RX_CONFIG); /* Enable VLAN tag insert/strip */ adapter->netdev->features |= NETIF_F_HW_VLAN_RX; @@ -3657,7 +3665,43 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true); /* reconfigure the hardware */ - ixgbe_dcb_hw_config(hw, &adapter->dcb_cfg); + if (adapter->dcbx_cap & (DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_CEE)) { +#ifdef CONFIG_FCOE + if (adapter->netdev->features & NETIF_F_FCOE_MTU) + max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); +#endif + ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, + DCB_TX_CONFIG); + ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, + DCB_RX_CONFIG); + ixgbe_dcb_hw_config(hw, &adapter->dcb_cfg); + } else { + struct net_device *dev = adapter->netdev; + + if (adapter->ixgbe_ieee_ets) + dev->dcbnl_ops->ieee_setets(dev, + adapter->ixgbe_ieee_ets); + if (adapter->ixgbe_ieee_pfc) + dev->dcbnl_ops->ieee_setpfc(dev, + adapter->ixgbe_ieee_pfc); + } + + /* Enable RSS Hash per TC */ + if (hw->mac.type != ixgbe_mac_82598EB) { + int i; + u32 reg = 0; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + u8 msb = 0; + u8 cnt = adapter->netdev->tc_to_txq[i].count; + + while (cnt >>= 1) + msb++; + + reg |= msb << IXGBE_RQTC_SHIFT_TC(i); + } + IXGBE_WRITE_REG(hw, IXGBE_RQTC, reg); + } } #endif @@ -3728,7 +3772,8 @@ static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter) * We need to try and force an autonegotiation * session, then bring up link. */ - hw->mac.ops.setup_sfp(hw); + if (hw->mac.ops.setup_sfp) + hw->mac.ops.setup_sfp(hw); if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) schedule_work(&adapter->multispeed_fiber_task); } else { @@ -3760,7 +3805,8 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw) if (ret) goto link_cfg_out; - if (hw->mac.ops.get_link_capabilities) + autoneg = hw->phy.autoneg_advertised; + if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) ret = hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation); if (ret) @@ -3875,7 +3921,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) * If we're not hot-pluggable SFP+, we just need to configure link * and bring it up. */ - if (hw->phy.type == ixgbe_phy_unknown) + if (hw->phy.type == ixgbe_phy_none) schedule_work(&adapter->sfp_config_module_task); /* enable transmits */ @@ -4242,24 +4288,6 @@ static void ixgbe_reset_task(struct work_struct *work) ixgbe_reinit_locked(adapter); } -#ifdef CONFIG_IXGBE_DCB -static inline bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter) -{ - bool ret = false; - struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_DCB]; - - if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) - return ret; - - f->mask = 0x7 << 3; - adapter->num_rx_queues = f->indices; - adapter->num_tx_queues = f->indices; - ret = true; - - return ret; -} -#endif - /** * ixgbe_set_rss_queues: Allocate queues for RSS * @adapter: board private structure to initialize @@ -4330,19 +4358,26 @@ static inline bool ixgbe_set_fdir_queues(struct ixgbe_adapter *adapter) **/ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter) { - bool ret = false; struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE]; - f->indices = min((int)num_online_cpus(), f->indices); - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { - adapter->num_rx_queues = 1; - adapter->num_tx_queues = 1; + if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) + return false; + + if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { #ifdef CONFIG_IXGBE_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - e_info(probe, "FCoE enabled with DCB\n"); - ixgbe_set_dcb_queues(adapter); - } + int tc; + struct net_device *dev = adapter->netdev; + + tc = netdev_get_prio_tc_map(dev, adapter->fcoe.up); + f->indices = dev->tc_to_txq[tc].count; + f->mask = dev->tc_to_txq[tc].offset; #endif + } else { + f->indices = min((int)num_online_cpus(), f->indices); + + adapter->num_rx_queues = 1; + adapter->num_tx_queues = 1; + if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { e_info(probe, "FCoE enabled with RSS\n"); if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || @@ -4355,14 +4390,45 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter) f->mask = adapter->num_rx_queues; adapter->num_rx_queues += f->indices; adapter->num_tx_queues += f->indices; + } - ret = true; + return true; +} +#endif /* IXGBE_FCOE */ + +#ifdef CONFIG_IXGBE_DCB +static inline bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter) +{ + bool ret = false; + struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_DCB]; + int i, q; + + if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) + return ret; + + f->indices = 0; + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + q = min((int)num_online_cpus(), MAX_TRAFFIC_CLASS); + f->indices += q; } + f->mask = 0x7 << 3; + adapter->num_rx_queues = f->indices; + adapter->num_tx_queues = f->indices; + ret = true; + +#ifdef IXGBE_FCOE + /* FCoE enabled queues require special configuration done through + * configure_fcoe() and others. Here we map FCoE indices onto the + * DCB queue pairs allowing FCoE to own configuration later. + */ + ixgbe_set_fcoe_queues(adapter); +#endif + return ret; } +#endif -#endif /* IXGBE_FCOE */ /** * ixgbe_set_sriov_queues: Allocate queues for IOV use * @adapter: board private structure to initialize @@ -4398,16 +4464,16 @@ static int ixgbe_set_num_queues(struct ixgbe_adapter *adapter) if (ixgbe_set_sriov_queues(adapter)) goto done; -#ifdef IXGBE_FCOE - if (ixgbe_set_fcoe_queues(adapter)) - goto done; - -#endif /* IXGBE_FCOE */ #ifdef CONFIG_IXGBE_DCB if (ixgbe_set_dcb_queues(adapter)) goto done; #endif +#ifdef IXGBE_FCOE + if (ixgbe_set_fcoe_queues(adapter)) + goto done; + +#endif /* IXGBE_FCOE */ if (ixgbe_set_fdir_queues(adapter)) goto done; @@ -4499,6 +4565,110 @@ static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter) } #ifdef CONFIG_IXGBE_DCB + +/* ixgbe_get_first_reg_idx - Return first register index associated with ring */ +void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc, + unsigned int *tx, unsigned int *rx) +{ + struct net_device *dev = adapter->netdev; + struct ixgbe_hw *hw = &adapter->hw; + u8 num_tcs = netdev_get_num_tc(dev); + + *tx = 0; + *rx = 0; + + switch (hw->mac.type) { + case ixgbe_mac_82598EB: + *tx = tc << 3; + *rx = tc << 2; + break; + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + if (num_tcs == 8) { + if (tc < 3) { + *tx = tc << 5; + *rx = tc << 4; + } else if (tc < 5) { + *tx = ((tc + 2) << 4); + *rx = tc << 4; + } else if (tc < num_tcs) { + *tx = ((tc + 8) << 3); + *rx = tc << 4; + } + } else if (num_tcs == 4) { + *rx = tc << 5; + switch (tc) { + case 0: + *tx = 0; + break; + case 1: + *tx = 64; + break; + case 2: + *tx = 96; + break; + case 3: + *tx = 112; + break; + default: + break; + } + } + break; + default: + break; + } +} + +#define IXGBE_MAX_Q_PER_TC (IXGBE_MAX_DCB_INDICES / MAX_TRAFFIC_CLASS) + +/* ixgbe_setup_tc - routine to configure net_device for multiple traffic + * classes. + * + * @netdev: net device to configure + * @tc: number of traffic classes to enable + */ +int ixgbe_setup_tc(struct net_device *dev, u8 tc) +{ + int i; + unsigned int q, offset = 0; + + if (!tc) { + netdev_reset_tc(dev); + } else { + struct ixgbe_adapter *adapter = netdev_priv(dev); + + /* Hardware supports up to 8 traffic classes */ + if (tc > MAX_TRAFFIC_CLASS || netdev_set_num_tc(dev, tc)) + return -EINVAL; + + /* Partition Tx queues evenly amongst traffic classes */ + for (i = 0; i < tc; i++) { + q = min((int)num_online_cpus(), IXGBE_MAX_Q_PER_TC); + netdev_set_prio_tc_map(dev, i, i); + netdev_set_tc_queue(dev, i, q, offset); + offset += q; + } + + /* This enables multiple traffic class support in the hardware + * which defaults to strict priority transmission by default. + * If traffic classes are already enabled perhaps through DCB + * code path then existing configuration will be used. + */ + if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED) && + dev->dcbnl_ops && dev->dcbnl_ops->setdcbx) { + struct ieee_ets ets = { + .prio_tc = {0, 1, 2, 3, 4, 5, 6, 7}, + }; + u8 mode = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_IEEE; + + dev->dcbnl_ops->setdcbx(dev, mode); + dev->dcbnl_ops->ieee_setets(dev, &ets); + } + } + return 0; +} + /** * ixgbe_cache_ring_dcb - Descriptor ring to register mapping for DCB * @adapter: board private structure to initialize @@ -4508,72 +4678,27 @@ static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter) **/ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) { - int i; - bool ret = false; - int dcb_i = adapter->ring_feature[RING_F_DCB].indices; + struct net_device *dev = adapter->netdev; + int i, j, k; + u8 num_tcs = netdev_get_num_tc(dev); if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) return false; - /* the number of queues is assumed to be symmetric */ - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - for (i = 0; i < dcb_i; i++) { - adapter->rx_ring[i]->reg_idx = i << 3; - adapter->tx_ring[i]->reg_idx = i << 2; - } - ret = true; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - if (dcb_i == 8) { - /* - * Tx TC0 starts at: descriptor queue 0 - * Tx TC1 starts at: descriptor queue 32 - * Tx TC2 starts at: descriptor queue 64 - * Tx TC3 starts at: descriptor queue 80 - * Tx TC4 starts at: descriptor queue 96 - * Tx TC5 starts at: descriptor queue 104 - * Tx TC6 starts at: descriptor queue 112 - * Tx TC7 starts at: descriptor queue 120 - * - * Rx TC0-TC7 are offset by 16 queues each - */ - for (i = 0; i < 3; i++) { - adapter->tx_ring[i]->reg_idx = i << 5; - adapter->rx_ring[i]->reg_idx = i << 4; - } - for ( ; i < 5; i++) { - adapter->tx_ring[i]->reg_idx = ((i + 2) << 4); - adapter->rx_ring[i]->reg_idx = i << 4; - } - for ( ; i < dcb_i; i++) { - adapter->tx_ring[i]->reg_idx = ((i + 8) << 3); - adapter->rx_ring[i]->reg_idx = i << 4; - } - ret = true; - } else if (dcb_i == 4) { - /* - * Tx TC0 starts at: descriptor queue 0 - * Tx TC1 starts at: descriptor queue 64 - * Tx TC2 starts at: descriptor queue 96 - * Tx TC3 starts at: descriptor queue 112 - * - * Rx TC0-TC3 are offset by 32 queues each - */ - adapter->tx_ring[0]->reg_idx = 0; - adapter->tx_ring[1]->reg_idx = 64; - adapter->tx_ring[2]->reg_idx = 96; - adapter->tx_ring[3]->reg_idx = 112; - for (i = 0 ; i < dcb_i; i++) - adapter->rx_ring[i]->reg_idx = i << 5; - ret = true; + for (i = 0, k = 0; i < num_tcs; i++) { + unsigned int tx_s, rx_s; + u16 count = dev->tc_to_txq[i].count; + + ixgbe_get_first_reg_idx(adapter, i, &tx_s, &rx_s); + for (j = 0; j < count; j++, k++) { + adapter->tx_ring[k]->reg_idx = tx_s + j; + adapter->rx_ring[k]->reg_idx = rx_s + j; + adapter->tx_ring[k]->dcb_tc = i; + adapter->rx_ring[k]->dcb_tc = i; } - break; - default: - break; } - return ret; + + return true; } #endif @@ -4619,33 +4744,6 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter) if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) return false; -#ifdef CONFIG_IXGBE_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - struct ixgbe_fcoe *fcoe = &adapter->fcoe; - - ixgbe_cache_ring_dcb(adapter); - /* find out queues in TC for FCoE */ - fcoe_rx_i = adapter->rx_ring[fcoe->tc]->reg_idx + 1; - fcoe_tx_i = adapter->tx_ring[fcoe->tc]->reg_idx + 1; - /* - * In 82599, the number of Tx queues for each traffic - * class for both 8-TC and 4-TC modes are: - * TCs : TC0 TC1 TC2 TC3 TC4 TC5 TC6 TC7 - * 8 TCs: 32 32 16 16 8 8 8 8 - * 4 TCs: 64 64 32 32 - * We have max 8 queues for FCoE, where 8 the is - * FCoE redirection table size. If TC for FCoE is - * less than or equal to TC3, we have enough queues - * to add max of 8 queues for FCoE, so we start FCoE - * Tx queue from the next one, i.e., reg_idx + 1. - * If TC for FCoE is above TC3, implying 8 TC mode, - * and we need 8 for FCoE, we have to take all queues - * in that traffic class for FCoE. - */ - if ((f->indices == IXGBE_FCRETA_SIZE) && (fcoe->tc > 3)) - fcoe_tx_i--; - } -#endif /* CONFIG_IXGBE_DCB */ if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) @@ -4702,16 +4800,16 @@ static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) if (ixgbe_cache_ring_sriov(adapter)) return; +#ifdef CONFIG_IXGBE_DCB + if (ixgbe_cache_ring_dcb(adapter)) + return; +#endif + #ifdef IXGBE_FCOE if (ixgbe_cache_ring_fcoe(adapter)) return; - #endif /* IXGBE_FCOE */ -#ifdef CONFIG_IXGBE_DCB - if (ixgbe_cache_ring_dcb(adapter)) - return; -#endif if (ixgbe_cache_ring_fdir(adapter)) return; @@ -5173,10 +5271,10 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->dcb_cfg.bw_percentage[DCB_RX_CONFIG][0] = 100; adapter->dcb_cfg.rx_pba_cfg = pba_equal; adapter->dcb_cfg.pfc_mode_enable = false; - adapter->dcb_cfg.round_robin_enable = false; adapter->dcb_set_bitmap = 0x00; + adapter->dcbx_cap = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_CEE; ixgbe_copy_dcb_cfg(&adapter->dcb_cfg, &adapter->temp_dcb_cfg, - adapter->ring_feature[RING_F_DCB].indices); + MAX_TRAFFIC_CLASS); #endif @@ -5441,8 +5539,14 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu) int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; /* MTU < 68 is an error and causes problems on some kernels */ - if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE)) - return -EINVAL; + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED && + hw->mac.type != ixgbe_mac_X540) { + if ((new_mtu < 68) || (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE)) + return -EINVAL; + } else { + if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE)) + return -EINVAL; + } e_info(probe, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); /* must set new MTU before calling down or up */ @@ -5610,6 +5714,10 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake) } ixgbe_clear_interrupt_scheme(adapter); +#ifdef CONFIG_DCB + kfree(adapter->ixgbe_ieee_pfc); + kfree(adapter->ixgbe_ieee_ets); +#endif #ifdef CONFIG_PM retval = pci_save_state(pdev); @@ -5968,7 +6076,8 @@ static void ixgbe_sfp_config_module_task(struct work_struct *work) unregister_netdev(adapter->netdev); return; } - hw->mac.ops.setup_sfp(hw); + if (hw->mac.ops.setup_sfp) + hw->mac.ops.setup_sfp(hw); if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) /* This will also work for DA Twinax connections */ @@ -6099,12 +6208,16 @@ static void ixgbe_watchdog_task(struct work_struct *work) (link_speed == IXGBE_LINK_SPEED_10GB_FULL ? "10 Gbps" : (link_speed == IXGBE_LINK_SPEED_1GB_FULL ? - "1 Gbps" : "unknown speed")), + "1 Gbps" : + (link_speed == IXGBE_LINK_SPEED_100_FULL ? + "100 Mbps" : + "unknown speed"))), ((flow_rx && flow_tx) ? "RX/TX" : (flow_rx ? "RX" : (flow_tx ? "TX" : "None")))); netif_carrier_on(netdev); + ixgbe_check_vf_rate_limit(adapter); } else { /* Force detection of hung controller */ for (i = 0; i < adapter->num_tx_queues; i++) { @@ -6634,18 +6747,12 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) protocol = vlan_get_protocol(skb); - if ((protocol == htons(ETH_P_FCOE)) || - (protocol == htons(ETH_P_FIP))) { - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { - txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1); - txq += adapter->ring_feature[RING_F_FCOE].mask; - return txq; -#ifdef CONFIG_IXGBE_DCB - } else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - txq = adapter->fcoe.up; - return txq; -#endif - } + if (((protocol == htons(ETH_P_FCOE)) || + (protocol == htons(ETH_P_FIP))) && + (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) { + txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1); + txq += adapter->ring_feature[RING_F_FCOE].mask; + return txq; } #endif @@ -6655,15 +6762,6 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) return txq; } - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - if (skb->priority == TC_PRIO_CONTROL) - txq = adapter->ring_feature[RING_F_DCB].indices-1; - else - txq = (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) - >> 13; - return txq; - } - return skb_tx_hash(dev, skb); } @@ -6685,13 +6783,13 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, tx_flags |= vlan_tx_tag_get(skb); if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { tx_flags &= ~IXGBE_TX_FLAGS_VLAN_PRIO_MASK; - tx_flags |= ((skb->queue_mapping & 0x7) << 13); + tx_flags |= tx_ring->dcb_tc << 13; } tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; tx_flags |= IXGBE_TX_FLAGS_VLAN; } else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED && skb->priority != TC_PRIO_CONTROL) { - tx_flags |= ((skb->queue_mapping & 0x7) << 13); + tx_flags |= tx_ring->dcb_tc << 13; tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; tx_flags |= IXGBE_TX_FLAGS_VLAN; } @@ -6700,20 +6798,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, /* for FCoE with DCB, we force the priority to what * was specified by the switch */ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED && - (protocol == htons(ETH_P_FCOE) || - protocol == htons(ETH_P_FIP))) { -#ifdef CONFIG_IXGBE_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK - << IXGBE_TX_FLAGS_VLAN_SHIFT); - tx_flags |= ((adapter->fcoe.up << 13) - << IXGBE_TX_FLAGS_VLAN_SHIFT); - } -#endif - /* flag for FCoE offloads */ - if (protocol == htons(ETH_P_FCOE)) - tx_flags |= IXGBE_TX_FLAGS_FCOE; - } + (protocol == htons(ETH_P_FCOE))) + tx_flags |= IXGBE_TX_FLAGS_FCOE; #endif /* four things can cause us to need a context descriptor */ @@ -6986,11 +7072,15 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_set_vf_tx_rate = ixgbe_ndo_set_vf_bw, .ndo_get_vf_config = ixgbe_ndo_get_vf_config, .ndo_get_stats64 = ixgbe_get_stats64, +#ifdef CONFIG_IXGBE_DCB + .ndo_setup_tc = ixgbe_setup_tc, +#endif #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ixgbe_netpoll, #endif #ifdef IXGBE_FCOE .ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get, + .ndo_fcoe_ddp_target = ixgbe_fcoe_ddp_target, .ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put, .ndo_fcoe_enable = ixgbe_fcoe_enable, .ndo_fcoe_disable = ixgbe_fcoe_disable, @@ -7126,8 +7216,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, else indices = min_t(unsigned int, indices, IXGBE_MAX_FDIR_INDICES); +#if defined(CONFIG_DCB) indices = max_t(unsigned int, indices, IXGBE_MAX_DCB_INDICES); -#ifdef IXGBE_FCOE +#elif defined(IXGBE_FCOE) indices += min_t(unsigned int, num_possible_cpus(), IXGBE_MAX_FCOE_INDICES); #endif @@ -7283,8 +7374,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) adapter->flags &= ~(IXGBE_FLAG_RSS_ENABLED | IXGBE_FLAG_DCB_ENABLED); - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) - adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; #ifdef CONFIG_IXGBE_DCB netdev->dcbnl_ops = &dcbnl_ops; @@ -7704,16 +7793,6 @@ static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event, #endif /* CONFIG_IXGBE_DCA */ -/** - * ixgbe_get_hw_dev return device - * used by hardware layer to print debugging information - **/ -struct net_device *ixgbe_get_hw_dev(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - return adapter->netdev; -} - module_exit(ixgbe_exit_module); /* ixgbe_main.c */ diff --git a/drivers/net/ixgbe/ixgbe_mbx.c b/drivers/net/ixgbe/ixgbe_mbx.c index ea82c5a..1ff0eef 100644 --- a/drivers/net/ixgbe/ixgbe_mbx.c +++ b/drivers/net/ixgbe/ixgbe_mbx.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -154,9 +154,6 @@ static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id) udelay(mbx->usec_delay); } - /* if we failed, all future posted messages fail until reset */ - if (!countdown) - mbx->timeout = 0; out: return countdown ? 0 : IXGBE_ERR_MBX; } @@ -183,9 +180,6 @@ static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id) udelay(mbx->usec_delay); } - /* if we failed, all future posted messages fail until reset */ - if (!countdown) - mbx->timeout = 0; out: return countdown ? 0 : IXGBE_ERR_MBX; } @@ -437,6 +431,7 @@ out_no_read: return ret_val; } +#ifdef CONFIG_PCI_IOV /** * ixgbe_init_mbx_params_pf - set initial values for pf mailbox * @hw: pointer to the HW structure @@ -447,24 +442,22 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw) { struct ixgbe_mbx_info *mbx = &hw->mbx; - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - mbx->timeout = 0; - mbx->usec_delay = 0; + if (hw->mac.type != ixgbe_mac_82599EB && + hw->mac.type != ixgbe_mac_X540) + return; - mbx->size = IXGBE_VFMAILBOX_SIZE; + mbx->timeout = 0; + mbx->usec_delay = 0; - mbx->stats.msgs_tx = 0; - mbx->stats.msgs_rx = 0; - mbx->stats.reqs = 0; - mbx->stats.acks = 0; - mbx->stats.rsts = 0; - break; - default: - break; - } + mbx->stats.msgs_tx = 0; + mbx->stats.msgs_rx = 0; + mbx->stats.reqs = 0; + mbx->stats.acks = 0; + mbx->stats.rsts = 0; + + mbx->size = IXGBE_VFMAILBOX_SIZE; } +#endif /* CONFIG_PCI_IOV */ struct ixgbe_mbx_operations mbx_ops_generic = { .read = ixgbe_read_mbx_pf, diff --git a/drivers/net/ixgbe/ixgbe_mbx.h b/drivers/net/ixgbe/ixgbe_mbx.h index 3df9b15..fe6ea81 100644 --- a/drivers/net/ixgbe/ixgbe_mbx.h +++ b/drivers/net/ixgbe/ixgbe_mbx.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -86,7 +86,9 @@ s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16); s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16); s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16); +#ifdef CONFIG_PCI_IOV void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); +#endif /* CONFIG_PCI_IOV */ extern struct ixgbe_mbx_operations mbx_ops_generic; diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c index 8f7123e..f72f705 100644 --- a/drivers/net/ixgbe/ixgbe_phy.c +++ b/drivers/net/ixgbe/ixgbe_phy.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -57,6 +57,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw) { s32 status = IXGBE_ERR_PHY_ADDR_INVALID; u32 phy_addr; + u16 ext_ability = 0; if (hw->phy.type == ixgbe_phy_unknown) { for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) { @@ -65,12 +66,29 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw) ixgbe_get_phy_id(hw); hw->phy.type = ixgbe_get_phy_type_from_id(hw->phy.id); + + if (hw->phy.type == ixgbe_phy_unknown) { + hw->phy.ops.read_reg(hw, + MDIO_PMA_EXTABLE, + MDIO_MMD_PMAPMD, + &ext_ability); + if (ext_ability & + (MDIO_PMA_EXTABLE_10GBT | + MDIO_PMA_EXTABLE_1000BT)) + hw->phy.type = + ixgbe_phy_cu_unknown; + else + hw->phy.type = + ixgbe_phy_generic; + } + status = 0; break; } } /* clear value if nothing found */ - hw->phy.mdio.prtad = 0; + if (status != 0) + hw->phy.mdio.prtad = 0; } else { status = 0; } @@ -138,17 +156,51 @@ static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id) **/ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw) { + u32 i; + u16 ctrl = 0; + s32 status = 0; + + if (hw->phy.type == ixgbe_phy_unknown) + status = ixgbe_identify_phy_generic(hw); + + if (status != 0 || hw->phy.type == ixgbe_phy_none) + goto out; + /* Don't reset PHY if it's shut down due to overtemp. */ if (!hw->phy.reset_if_overtemp && (IXGBE_ERR_OVERTEMP == hw->phy.ops.check_overtemp(hw))) - return 0; + goto out; /* * Perform soft PHY reset to the PHY_XS. * This will cause a soft reset to the PHY */ - return hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, - MDIO_CTRL1_RESET); + hw->phy.ops.write_reg(hw, MDIO_CTRL1, + MDIO_MMD_PHYXS, + MDIO_CTRL1_RESET); + + /* + * Poll for reset bit to self-clear indicating reset is complete. + * Some PHYs could take up to 3 seconds to complete and need about + * 1.7 usec delay after the reset is complete. + */ + for (i = 0; i < 30; i++) { + msleep(100); + hw->phy.ops.read_reg(hw, MDIO_CTRL1, + MDIO_MMD_PHYXS, &ctrl); + if (!(ctrl & MDIO_CTRL1_RESET)) { + udelay(2); + break; + } + } + + if (ctrl & MDIO_CTRL1_RESET) { + status = IXGBE_ERR_RESET_FAILED; + hw_dbg(hw, "PHY reset polling failed to complete.\n"); + } + +out: + return status; } /** @@ -171,7 +223,7 @@ s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, else gssr = IXGBE_GSSR_PHY0_SM; - if (ixgbe_acquire_swfw_sync(hw, gssr) != 0) + if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0) status = IXGBE_ERR_SWFW_SYNC; if (status == 0) { @@ -243,7 +295,7 @@ s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, } } - ixgbe_release_swfw_sync(hw, gssr); + hw->mac.ops.release_swfw_sync(hw, gssr); } return status; @@ -269,7 +321,7 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, else gssr = IXGBE_GSSR_PHY0_SM; - if (ixgbe_acquire_swfw_sync(hw, gssr) != 0) + if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0) status = IXGBE_ERR_SWFW_SYNC; if (status == 0) { @@ -336,7 +388,7 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, } } - ixgbe_release_swfw_sync(hw, gssr); + hw->mac.ops.release_swfw_sync(hw, gssr); } return status; @@ -350,49 +402,89 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, **/ s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw) { - s32 status = IXGBE_NOT_IMPLEMENTED; + s32 status = 0; u32 time_out; u32 max_time_out = 10; - u16 autoneg_reg; + u16 autoneg_reg = IXGBE_MII_AUTONEG_REG; + bool autoneg = false; + ixgbe_link_speed speed; - /* - * Set advertisement settings in PHY based on autoneg_advertised - * settings. If autoneg_advertised = 0, then advertise default values - * tnx devices cannot be "forced" to a autoneg 10G and fail. But can - * for a 1G. - */ - hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, &autoneg_reg); + ixgbe_get_copper_link_capabilities_generic(hw, &speed, &autoneg); + + if (speed & IXGBE_LINK_SPEED_10GB_FULL) { + /* Set or unset auto-negotiation 10G advertisement */ + hw->phy.ops.read_reg(hw, MDIO_AN_10GBT_CTRL, + MDIO_MMD_AN, + &autoneg_reg); - if (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_1GB_FULL) autoneg_reg &= ~MDIO_AN_10GBT_CTRL_ADV10G; - else - autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) + autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G; + + hw->phy.ops.write_reg(hw, MDIO_AN_10GBT_CTRL, + MDIO_MMD_AN, + autoneg_reg); + } + + if (speed & IXGBE_LINK_SPEED_1GB_FULL) { + /* Set or unset auto-negotiation 1G advertisement */ + hw->phy.ops.read_reg(hw, + IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG, + MDIO_MMD_AN, + &autoneg_reg); + + autoneg_reg &= ~IXGBE_MII_1GBASE_T_ADVERTISE; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) + autoneg_reg |= IXGBE_MII_1GBASE_T_ADVERTISE; + + hw->phy.ops.write_reg(hw, + IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG, + MDIO_MMD_AN, + autoneg_reg); + } + + if (speed & IXGBE_LINK_SPEED_100_FULL) { + /* Set or unset auto-negotiation 100M advertisement */ + hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, + &autoneg_reg); - hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, autoneg_reg); + autoneg_reg &= ~ADVERTISE_100FULL; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) + autoneg_reg |= ADVERTISE_100FULL; + + hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, + autoneg_reg); + } /* Restart PHY autonegotiation and wait for completion */ - hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, &autoneg_reg); + hw->phy.ops.read_reg(hw, MDIO_CTRL1, + MDIO_MMD_AN, &autoneg_reg); autoneg_reg |= MDIO_AN_CTRL1_RESTART; - hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, autoneg_reg); + hw->phy.ops.write_reg(hw, MDIO_CTRL1, + MDIO_MMD_AN, autoneg_reg); /* Wait for autonegotiation to finish */ for (time_out = 0; time_out < max_time_out; time_out++) { udelay(10); /* Restart PHY autonegotiation and wait for completion */ - status = hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, - &autoneg_reg); + status = hw->phy.ops.read_reg(hw, MDIO_STAT1, + MDIO_MMD_AN, + &autoneg_reg); autoneg_reg &= MDIO_AN_STAT1_COMPLETE; if (autoneg_reg == MDIO_AN_STAT1_COMPLETE) { - status = 0; break; } } - if (time_out == max_time_out) + if (time_out == max_time_out) { status = IXGBE_ERR_LINK_SETUP; + hw_dbg(hw, "ixgbe_setup_phy_link_generic: time out"); + } return status; } @@ -421,6 +513,9 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw, if (speed & IXGBE_LINK_SPEED_1GB_FULL) hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL; + if (speed & IXGBE_LINK_SPEED_100_FULL) + hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_100_FULL; + /* Setup link based on the new speed settings */ hw->phy.ops.setup_link(hw); @@ -461,6 +556,180 @@ s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw, } /** + * ixgbe_check_phy_link_tnx - Determine link and speed status + * @hw: pointer to hardware structure + * + * Reads the VS1 register to determine if link is up and the current speed for + * the PHY. + **/ +s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, + bool *link_up) +{ + s32 status = 0; + u32 time_out; + u32 max_time_out = 10; + u16 phy_link = 0; + u16 phy_speed = 0; + u16 phy_data = 0; + + /* Initialize speed and link to default case */ + *link_up = false; + *speed = IXGBE_LINK_SPEED_10GB_FULL; + + /* + * Check current speed and link status of the PHY register. + * This is a vendor specific register and may have to + * be changed for other copper PHYs. + */ + for (time_out = 0; time_out < max_time_out; time_out++) { + udelay(10); + status = hw->phy.ops.read_reg(hw, + MDIO_STAT1, + MDIO_MMD_VEND1, + &phy_data); + phy_link = phy_data & + IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS; + phy_speed = phy_data & + IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS; + if (phy_link == IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS) { + *link_up = true; + if (phy_speed == + IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS) + *speed = IXGBE_LINK_SPEED_1GB_FULL; + break; + } + } + + return status; +} + +/** + * ixgbe_setup_phy_link_tnx - Set and restart autoneg + * @hw: pointer to hardware structure + * + * Restart autonegotiation and PHY and waits for completion. + **/ +s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw) +{ + s32 status = 0; + u32 time_out; + u32 max_time_out = 10; + u16 autoneg_reg = IXGBE_MII_AUTONEG_REG; + bool autoneg = false; + ixgbe_link_speed speed; + + ixgbe_get_copper_link_capabilities_generic(hw, &speed, &autoneg); + + if (speed & IXGBE_LINK_SPEED_10GB_FULL) { + /* Set or unset auto-negotiation 10G advertisement */ + hw->phy.ops.read_reg(hw, MDIO_AN_10GBT_CTRL, + MDIO_MMD_AN, + &autoneg_reg); + + autoneg_reg &= ~MDIO_AN_10GBT_CTRL_ADV10G; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) + autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G; + + hw->phy.ops.write_reg(hw, MDIO_AN_10GBT_CTRL, + MDIO_MMD_AN, + autoneg_reg); + } + + if (speed & IXGBE_LINK_SPEED_1GB_FULL) { + /* Set or unset auto-negotiation 1G advertisement */ + hw->phy.ops.read_reg(hw, IXGBE_MII_AUTONEG_XNP_TX_REG, + MDIO_MMD_AN, + &autoneg_reg); + + autoneg_reg &= ~IXGBE_MII_1GBASE_T_ADVERTISE_XNP_TX; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) + autoneg_reg |= IXGBE_MII_1GBASE_T_ADVERTISE_XNP_TX; + + hw->phy.ops.write_reg(hw, IXGBE_MII_AUTONEG_XNP_TX_REG, + MDIO_MMD_AN, + autoneg_reg); + } + + if (speed & IXGBE_LINK_SPEED_100_FULL) { + /* Set or unset auto-negotiation 100M advertisement */ + hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, + &autoneg_reg); + + autoneg_reg &= ~ADVERTISE_100FULL; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) + autoneg_reg |= ADVERTISE_100FULL; + + hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, + MDIO_MMD_AN, + autoneg_reg); + } + + /* Restart PHY autonegotiation and wait for completion */ + hw->phy.ops.read_reg(hw, MDIO_CTRL1, + MDIO_MMD_AN, &autoneg_reg); + + autoneg_reg |= MDIO_AN_CTRL1_RESTART; + + hw->phy.ops.write_reg(hw, MDIO_CTRL1, + MDIO_MMD_AN, autoneg_reg); + + /* Wait for autonegotiation to finish */ + for (time_out = 0; time_out < max_time_out; time_out++) { + udelay(10); + /* Restart PHY autonegotiation and wait for completion */ + status = hw->phy.ops.read_reg(hw, MDIO_STAT1, + MDIO_MMD_AN, + &autoneg_reg); + + autoneg_reg &= MDIO_AN_STAT1_COMPLETE; + if (autoneg_reg == MDIO_AN_STAT1_COMPLETE) + break; + } + + if (time_out == max_time_out) { + status = IXGBE_ERR_LINK_SETUP; + hw_dbg(hw, "ixgbe_setup_phy_link_tnx: time out"); + } + + return status; +} + +/** + * ixgbe_get_phy_firmware_version_tnx - Gets the PHY Firmware Version + * @hw: pointer to hardware structure + * @firmware_version: pointer to the PHY Firmware Version + **/ +s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw, + u16 *firmware_version) +{ + s32 status = 0; + + status = hw->phy.ops.read_reg(hw, TNX_FW_REV, + MDIO_MMD_VEND1, + firmware_version); + + return status; +} + +/** + * ixgbe_get_phy_firmware_version_generic - Gets the PHY Firmware Version + * @hw: pointer to hardware structure + * @firmware_version: pointer to the PHY Firmware Version + **/ +s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw, + u16 *firmware_version) +{ + s32 status = 0; + + status = hw->phy.ops.read_reg(hw, AQ_FW_REV, + MDIO_MMD_VEND1, + firmware_version); + + return status; +} + +/** * ixgbe_reset_phy_nl - Performs a PHY reset * @hw: pointer to hardware structure **/ @@ -556,11 +825,10 @@ out: } /** - * ixgbe_identify_sfp_module_generic - Identifies SFP module and assigns - * the PHY type. + * ixgbe_identify_sfp_module_generic - Identifies SFP modules * @hw: pointer to hardware structure * - * Searches for and indentifies the SFP module. Assings appropriate PHY type. + * Searches for and identifies the SFP module and assigns appropriate PHY type. **/ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) { @@ -581,41 +849,62 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) goto out; } - status = hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_IDENTIFIER, + status = hw->phy.ops.read_i2c_eeprom(hw, + IXGBE_SFF_IDENTIFIER, &identifier); - if (status == IXGBE_ERR_SFP_NOT_PRESENT || status == IXGBE_ERR_I2C) { - status = IXGBE_ERR_SFP_NOT_PRESENT; - hw->phy.sfp_type = ixgbe_sfp_type_not_present; - if (hw->phy.type != ixgbe_phy_nl) { - hw->phy.id = 0; - hw->phy.type = ixgbe_phy_unknown; - } - goto out; - } + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; - if (identifier == IXGBE_SFF_IDENTIFIER_SFP) { - hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_1GBE_COMP_CODES, - &comp_codes_1g); - hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_10GBE_COMP_CODES, - &comp_codes_10g); - hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_CABLE_TECHNOLOGY, - &cable_tech); - - /* ID Module - * ========= - * 0 SFP_DA_CU - * 1 SFP_SR - * 2 SFP_LR - * 3 SFP_DA_CORE0 - 82599-specific - * 4 SFP_DA_CORE1 - 82599-specific - * 5 SFP_SR/LR_CORE0 - 82599-specific - * 6 SFP_SR/LR_CORE1 - 82599-specific - * 7 SFP_act_lmt_DA_CORE0 - 82599-specific - * 8 SFP_act_lmt_DA_CORE1 - 82599-specific - * 9 SFP_1g_cu_CORE0 - 82599-specific - * 10 SFP_1g_cu_CORE1 - 82599-specific - */ + /* LAN ID is needed for sfp_type determination */ + hw->mac.ops.set_lan_id(hw); + + if (identifier != IXGBE_SFF_IDENTIFIER_SFP) { + hw->phy.type = ixgbe_phy_sfp_unsupported; + status = IXGBE_ERR_SFP_NOT_SUPPORTED; + } else { + status = hw->phy.ops.read_i2c_eeprom(hw, + IXGBE_SFF_1GBE_COMP_CODES, + &comp_codes_1g); + + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; + + status = hw->phy.ops.read_i2c_eeprom(hw, + IXGBE_SFF_10GBE_COMP_CODES, + &comp_codes_10g); + + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; + status = hw->phy.ops.read_i2c_eeprom(hw, + IXGBE_SFF_CABLE_TECHNOLOGY, + &cable_tech); + + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; + + /* ID Module + * ========= + * 0 SFP_DA_CU + * 1 SFP_SR + * 2 SFP_LR + * 3 SFP_DA_CORE0 - 82599-specific + * 4 SFP_DA_CORE1 - 82599-specific + * 5 SFP_SR/LR_CORE0 - 82599-specific + * 6 SFP_SR/LR_CORE1 - 82599-specific + * 7 SFP_act_lmt_DA_CORE0 - 82599-specific + * 8 SFP_act_lmt_DA_CORE1 - 82599-specific + * 9 SFP_1g_cu_CORE0 - 82599-specific + * 10 SFP_1g_cu_CORE1 - 82599-specific + */ if (hw->mac.type == ixgbe_mac_82598EB) { if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) hw->phy.sfp_type = ixgbe_sfp_type_da_cu; @@ -647,31 +936,27 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) ixgbe_sfp_type_da_act_lmt_core1; } else { hw->phy.sfp_type = - ixgbe_sfp_type_unknown; + ixgbe_sfp_type_unknown; } - } else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE) + } else if (comp_codes_10g & + (IXGBE_SFF_10GBASESR_CAPABLE | + IXGBE_SFF_10GBASELR_CAPABLE)) { if (hw->bus.lan_id == 0) hw->phy.sfp_type = ixgbe_sfp_type_srlr_core0; else hw->phy.sfp_type = ixgbe_sfp_type_srlr_core1; - else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE) - if (hw->bus.lan_id == 0) - hw->phy.sfp_type = - ixgbe_sfp_type_srlr_core0; - else - hw->phy.sfp_type = - ixgbe_sfp_type_srlr_core1; - else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE) + } else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE) { if (hw->bus.lan_id == 0) hw->phy.sfp_type = ixgbe_sfp_type_1g_cu_core0; else hw->phy.sfp_type = ixgbe_sfp_type_1g_cu_core1; - else + } else { hw->phy.sfp_type = ixgbe_sfp_type_unknown; + } } if (hw->phy.sfp_type != stored_sfp_type) @@ -688,16 +973,33 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) /* Determine PHY vendor */ if (hw->phy.type != ixgbe_phy_nl) { hw->phy.id = identifier; - hw->phy.ops.read_i2c_eeprom(hw, + status = hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_VENDOR_OUI_BYTE0, &oui_bytes[0]); - hw->phy.ops.read_i2c_eeprom(hw, + + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; + + status = hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_VENDOR_OUI_BYTE1, &oui_bytes[1]); - hw->phy.ops.read_i2c_eeprom(hw, + + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; + + status = hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_VENDOR_OUI_BYTE2, &oui_bytes[2]); + if (status == IXGBE_ERR_SWFW_SYNC || + status == IXGBE_ERR_I2C || + status == IXGBE_ERR_SFP_NOT_PRESENT) + goto err_read_i2c_eeprom; + vendor_oui = ((oui_bytes[0] << IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT) | (oui_bytes[1] << IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT) | @@ -707,7 +1009,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) case IXGBE_SFF_VENDOR_OUI_TYCO: if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) hw->phy.type = - ixgbe_phy_sfp_passive_tyco; + ixgbe_phy_sfp_passive_tyco; break; case IXGBE_SFF_VENDOR_OUI_FTL: if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE) @@ -724,7 +1026,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) default: if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) hw->phy.type = - ixgbe_phy_sfp_passive_unknown; + ixgbe_phy_sfp_passive_unknown; else if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE) hw->phy.type = ixgbe_phy_sfp_active_unknown; @@ -734,7 +1036,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) } } - /* All passive DA cables are supported */ + /* Allow any DA cable vendor */ if (cable_tech & (IXGBE_SFF_DA_PASSIVE_CABLE | IXGBE_SFF_DA_ACTIVE_CABLE)) { status = 0; @@ -756,7 +1058,6 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) goto out; } - /* This is guaranteed to be 82599, no need to check for NULL */ hw->mac.ops.get_device_caps(hw, &enforce_sfp); if (!(enforce_sfp & IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP) && !((hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0) || @@ -776,15 +1077,24 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) out: return status; + +err_read_i2c_eeprom: + hw->phy.sfp_type = ixgbe_sfp_type_not_present; + if (hw->phy.type != ixgbe_phy_nl) { + hw->phy.id = 0; + hw->phy.type = ixgbe_phy_unknown; + } + return IXGBE_ERR_SFP_NOT_PRESENT; } /** - * ixgbe_get_sfp_init_sequence_offsets - Checks the MAC's EEPROM to see - * if it supports a given SFP+ module type, if so it returns the offsets to the - * phy init sequence block. + * ixgbe_get_sfp_init_sequence_offsets - Provides offset of PHY init sequence * @hw: pointer to hardware structure * @list_offset: offset to the SFP ID list * @data_offset: offset to the SFP data block + * + * Checks the MAC's EEPROM to see if it supports a given SFP+ module type, if + * so it returns the offsets to the phy init sequence block. **/ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw, u16 *list_offset, @@ -899,11 +1209,22 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr, u8 *data) { s32 status = 0; - u32 max_retry = 1; + u32 max_retry = 10; u32 retry = 0; + u16 swfw_mask = 0; bool nack = 1; + if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1) + swfw_mask = IXGBE_GSSR_PHY1_SM; + else + swfw_mask = IXGBE_GSSR_PHY0_SM; + do { + if (ixgbe_acquire_swfw_sync(hw, swfw_mask) != 0) { + status = IXGBE_ERR_SWFW_SYNC; + goto read_byte_out; + } + ixgbe_i2c_start(hw); /* Device Address and write indication */ @@ -946,6 +1267,8 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, break; fail: + ixgbe_release_swfw_sync(hw, swfw_mask); + msleep(100); ixgbe_i2c_bus_clear(hw); retry++; if (retry < max_retry) @@ -955,6 +1278,9 @@ fail: } while (retry < max_retry); + ixgbe_release_swfw_sync(hw, swfw_mask); + +read_byte_out: return status; } @@ -973,6 +1299,17 @@ s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, s32 status = 0; u32 max_retry = 1; u32 retry = 0; + u16 swfw_mask = 0; + + if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1) + swfw_mask = IXGBE_GSSR_PHY1_SM; + else + swfw_mask = IXGBE_GSSR_PHY0_SM; + + if (ixgbe_acquire_swfw_sync(hw, swfw_mask) != 0) { + status = IXGBE_ERR_SWFW_SYNC; + goto write_byte_out; + } do { ixgbe_i2c_start(hw); @@ -1013,6 +1350,9 @@ fail: hw_dbg(hw, "I2C byte write error.\n"); } while (retry < max_retry); + ixgbe_release_swfw_sync(hw, swfw_mask); + +write_byte_out: return status; } @@ -1331,6 +1671,8 @@ static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw) u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); u32 i; + ixgbe_i2c_start(hw); + ixgbe_set_i2c_data(hw, &i2cctl, 1); for (i = 0; i < 9; i++) { @@ -1345,91 +1687,13 @@ static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw) udelay(IXGBE_I2C_T_LOW); } + ixgbe_i2c_start(hw); + /* Put the i2c bus back to default state */ ixgbe_i2c_stop(hw); } /** - * ixgbe_check_phy_link_tnx - Determine link and speed status - * @hw: pointer to hardware structure - * - * Reads the VS1 register to determine if link is up and the current speed for - * the PHY. - **/ -s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, - bool *link_up) -{ - s32 status = 0; - u32 time_out; - u32 max_time_out = 10; - u16 phy_link = 0; - u16 phy_speed = 0; - u16 phy_data = 0; - - /* Initialize speed and link to default case */ - *link_up = false; - *speed = IXGBE_LINK_SPEED_10GB_FULL; - - /* - * Check current speed and link status of the PHY register. - * This is a vendor specific register and may have to - * be changed for other copper PHYs. - */ - for (time_out = 0; time_out < max_time_out; time_out++) { - udelay(10); - status = hw->phy.ops.read_reg(hw, - IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS, - MDIO_MMD_VEND1, - &phy_data); - phy_link = phy_data & - IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS; - phy_speed = phy_data & - IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS; - if (phy_link == IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS) { - *link_up = true; - if (phy_speed == - IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS) - *speed = IXGBE_LINK_SPEED_1GB_FULL; - break; - } - } - - return status; -} - -/** - * ixgbe_get_phy_firmware_version_tnx - Gets the PHY Firmware Version - * @hw: pointer to hardware structure - * @firmware_version: pointer to the PHY Firmware Version - **/ -s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw, - u16 *firmware_version) -{ - s32 status = 0; - - status = hw->phy.ops.read_reg(hw, TNX_FW_REV, MDIO_MMD_VEND1, - firmware_version); - - return status; -} - -/** - * ixgbe_get_phy_firmware_version_generic - Gets the PHY Firmware Version - * @hw: pointer to hardware structure - * @firmware_version: pointer to the PHY Firmware Version -**/ -s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw, - u16 *firmware_version) -{ - s32 status = 0; - - status = hw->phy.ops.read_reg(hw, AQ_FW_REV, MDIO_MMD_VEND1, - firmware_version); - - return status; -} - -/** * ixgbe_tn_check_overtemp - Checks if an overtemp occured. * @hw: pointer to hardware structure * diff --git a/drivers/net/ixgbe/ixgbe_phy.h b/drivers/net/ixgbe/ixgbe_phy.h index e2c6b7e..197bdd1 100644 --- a/drivers/net/ixgbe/ixgbe_phy.h +++ b/drivers/net/ixgbe/ixgbe_phy.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -58,6 +58,10 @@ #define IXGBE_I2C_EEPROM_STATUS_FAIL 0x2 #define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS 0x3 +/* Flow control defines */ +#define IXGBE_TAF_SYM_PAUSE 0x400 +#define IXGBE_TAF_ASM_PAUSE 0x800 + /* Bit-shift macros */ #define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT 24 #define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT 16 @@ -104,6 +108,7 @@ s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw, s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *link_up); +s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw); s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw, u16 *firmware_version); s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw, diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c index 187b3a1..6e50d83 100644 --- a/drivers/net/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ixgbe/ixgbe_sriov.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -110,6 +110,33 @@ static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add); } +void ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf) +{ + struct ixgbe_hw *hw = &adapter->hw; + int new_mtu = msgbuf[1]; + u32 max_frs; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; + + /* Only X540 supports jumbo frames in IOV mode */ + if (adapter->hw.mac.type != ixgbe_mac_X540) + return; + + /* MTU < 68 is an error and causes problems on some kernels */ + if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE)) { + e_err(drv, "VF mtu %d out of range\n", new_mtu); + return; + } + + max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) & + IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT; + if (max_frs < new_mtu) { + max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT; + IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); + } + + e_info(hw, "VF requests change max MTU to %d\n", new_mtu); +} + static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe) { u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); @@ -302,7 +329,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) hash_list, vf); break; case IXGBE_VF_SET_LPE: - WARN_ON((msgbuf[0] & 0xFFFF) == IXGBE_VF_SET_LPE); + ixgbe_set_vf_lpe(adapter, msgbuf); break; case IXGBE_VF_SET_VLAN: add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) @@ -451,9 +478,90 @@ out: return err; } +static int ixgbe_link_mbps(int internal_link_speed) +{ + switch (internal_link_speed) { + case IXGBE_LINK_SPEED_100_FULL: + return 100; + case IXGBE_LINK_SPEED_1GB_FULL: + return 1000; + case IXGBE_LINK_SPEED_10GB_FULL: + return 10000; + default: + return 0; + } +} + +static void ixgbe_set_vf_rate_limit(struct ixgbe_hw *hw, int vf, int tx_rate, + int link_speed) +{ + int rf_dec, rf_int; + u32 bcnrc_val; + + if (tx_rate != 0) { + /* Calculate the rate factor values to set */ + rf_int = link_speed / tx_rate; + rf_dec = (link_speed - (rf_int * tx_rate)); + rf_dec = (rf_dec * (1<<IXGBE_RTTBCNRC_RF_INT_SHIFT)) / tx_rate; + + bcnrc_val = IXGBE_RTTBCNRC_RS_ENA; + bcnrc_val |= ((rf_int<<IXGBE_RTTBCNRC_RF_INT_SHIFT) & + IXGBE_RTTBCNRC_RF_INT_MASK); + bcnrc_val |= (rf_dec & IXGBE_RTTBCNRC_RF_DEC_MASK); + } else { + bcnrc_val = 0; + } + + IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, 2*vf); /* vf Y uses queue 2*Y */ + IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val); +} + +void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter) +{ + int actual_link_speed, i; + bool reset_rate = false; + + /* VF Tx rate limit was not set */ + if (adapter->vf_rate_link_speed == 0) + return; + + actual_link_speed = ixgbe_link_mbps(adapter->link_speed); + if (actual_link_speed != adapter->vf_rate_link_speed) { + reset_rate = true; + adapter->vf_rate_link_speed = 0; + dev_info(&adapter->pdev->dev, + "Link speed has been changed. VF Transmit rate " + "is disabled\n"); + } + + for (i = 0; i < adapter->num_vfs; i++) { + if (reset_rate) + adapter->vfinfo[i].tx_rate = 0; + + ixgbe_set_vf_rate_limit(&adapter->hw, i, + adapter->vfinfo[i].tx_rate, + actual_link_speed); + } +} + int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate) { - return -EOPNOTSUPP; + struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; + int actual_link_speed; + + actual_link_speed = ixgbe_link_mbps(adapter->link_speed); + if ((vf >= adapter->num_vfs) || (!adapter->link_up) || + (tx_rate > actual_link_speed) || (actual_link_speed != 10000) || + ((tx_rate != 0) && (tx_rate <= 10))) + /* rate limit cannot be set to 10Mb or less in 10Gb adapters */ + return -EINVAL; + + adapter->vf_rate_link_speed = actual_link_speed; + adapter->vfinfo[vf].tx_rate = (u16)tx_rate; + ixgbe_set_vf_rate_limit(hw, vf, tx_rate, actual_link_speed); + + return 0; } int ixgbe_ndo_get_vf_config(struct net_device *netdev, @@ -464,7 +572,7 @@ int ixgbe_ndo_get_vf_config(struct net_device *netdev, return -EINVAL; ivi->vf = vf; memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); - ivi->tx_rate = 0; + ivi->tx_rate = adapter->vfinfo[vf].tx_rate; ivi->vlan = adapter->vfinfo[vf].pf_vlan; ivi->qos = adapter->vfinfo[vf].pf_qos; return 0; diff --git a/drivers/net/ixgbe/ixgbe_sriov.h b/drivers/net/ixgbe/ixgbe_sriov.h index 49dc14d..3417556 100644 --- a/drivers/net/ixgbe/ixgbe_sriov.h +++ b/drivers/net/ixgbe/ixgbe_sriov.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -40,6 +40,7 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int queue, u16 vlan, int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate); int ixgbe_ndo_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivi); +void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter); #endif /* _IXGBE_SRIOV_H_ */ diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h index fd3358f..25c1fb7 100644 --- a/drivers/net/ixgbe/ixgbe_type.h +++ b/drivers/net/ixgbe/ixgbe_type.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -91,7 +91,7 @@ /* General Receive Control */ #define IXGBE_GRC_MNG 0x00000001 /* Manageability Enable */ -#define IXGBE_GRC_APME 0x00000002 /* Advanced Power Management Enable */ +#define IXGBE_GRC_APME 0x00000002 /* APM enabled in EEPROM */ #define IXGBE_VPDDIAG0 0x10204 #define IXGBE_VPDDIAG1 0x10208 @@ -342,7 +342,7 @@ /* Wake Up Control */ #define IXGBE_WUC_PME_EN 0x00000002 /* PME Enable */ #define IXGBE_WUC_PME_STATUS 0x00000004 /* PME Status */ -#define IXGBE_WUC_ADVD3WUC 0x00000010 /* D3Cold wake up cap. enable*/ +#define IXGBE_WUC_WKEN 0x00000010 /* Enable PE_WAKE_N pin assertion */ /* Wake Up Filter Control */ #define IXGBE_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ @@ -533,6 +533,12 @@ #define IXGBE_RTTDTECC 0x04990 #define IXGBE_RTTDTECC_NO_BCN 0x00000100 #define IXGBE_RTTBCNRC 0x04984 +#define IXGBE_RTTBCNRC_RS_ENA 0x80000000 +#define IXGBE_RTTBCNRC_RF_DEC_MASK 0x00003FFF +#define IXGBE_RTTBCNRC_RF_INT_SHIFT 14 +#define IXGBE_RTTBCNRC_RF_INT_MASK \ + (IXGBE_RTTBCNRC_RF_DEC_MASK << IXGBE_RTTBCNRC_RF_INT_SHIFT) + /* FCoE registers */ #define IXGBE_FCPTRL 0x02410 /* FC User Desc. PTR Low */ @@ -659,6 +665,8 @@ #define IXGBE_QPTC(_i) (0x06030 + ((_i) * 0x40)) /* 16 of these */ #define IXGBE_QBRC(_i) (0x01034 + ((_i) * 0x40)) /* 16 of these */ #define IXGBE_QBTC(_i) (0x06034 + ((_i) * 0x40)) /* 16 of these */ +#define IXGBE_QBRC_L(_i) (0x01034 + ((_i) * 0x40)) /* 16 of these */ +#define IXGBE_QBRC_H(_i) (0x01038 + ((_i) * 0x40)) /* 16 of these */ #define IXGBE_QPRDC(_i) (0x01430 + ((_i) * 0x40)) /* 16 of these */ #define IXGBE_QBTC_L(_i) (0x08700 + ((_i) * 0x8)) /* 16 of these */ #define IXGBE_QBTC_H(_i) (0x08704 + ((_i) * 0x8)) /* 16 of these */ @@ -669,6 +677,11 @@ #define IXGBE_FCOEDWRC 0x0242C /* Number of FCoE DWords Received */ #define IXGBE_FCOEPTC 0x08784 /* Number of FCoE Packets Transmitted */ #define IXGBE_FCOEDWTC 0x08788 /* Number of FCoE DWords Transmitted */ +#define IXGBE_PCRC8ECL 0x0E810 +#define IXGBE_PCRC8ECH 0x0E811 +#define IXGBE_PCRC8ECH_MASK 0x1F +#define IXGBE_LDPCECL 0x0E820 +#define IXGBE_LDPCECH 0x0E821 /* Management */ #define IXGBE_MAVTV(_i) (0x05010 + ((_i) * 4)) /* 8 of these (0-7) */ @@ -1002,6 +1015,13 @@ #define IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA 0xC30B /* PHY_XS SDA/SCL Data Reg */ #define IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT 0xC30C /* PHY_XS SDA/SCL Status Reg */ +/* MII clause 22/28 definitions */ +#define IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG 0xC400 /* 1G Provisioning 1 */ +#define IXGBE_MII_AUTONEG_XNP_TX_REG 0x17 /* 1G XNP Transmit */ +#define IXGBE_MII_1GBASE_T_ADVERTISE_XNP_TX 0x4000 /* full duplex, bit:14*/ +#define IXGBE_MII_1GBASE_T_ADVERTISE 0x8000 /* full duplex, bit:15*/ +#define IXGBE_MII_AUTONEG_REG 0x0 + #define IXGBE_PHY_REVISION_MASK 0xFFFFFFF0 #define IXGBE_MAX_PHY_ADDR 32 @@ -1614,6 +1634,8 @@ #define IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN 0x1 /* Alt. WWN base exists */ /* PCI Bus Info */ +#define IXGBE_PCI_DEVICE_STATUS 0xAA +#define IXGBE_PCI_DEVICE_STATUS_TRANSACTION_PENDING 0x0020 #define IXGBE_PCI_LINK_STATUS 0xB2 #define IXGBE_PCI_DEVICE_CONTROL2 0xC8 #define IXGBE_PCI_LINK_WIDTH 0x3F0 @@ -1680,6 +1702,8 @@ #define IXGBE_RXCTRL_DMBYPS 0x00000002 /* Descriptor Monitor Bypass */ #define IXGBE_RXDCTL_ENABLE 0x02000000 /* Enable specific Rx Queue */ #define IXGBE_RXDCTL_VME 0x40000000 /* VLAN mode enable */ +#define IXGBE_RXDCTL_RLPMLMASK 0x00003FFF /* Only supported on the X540 */ +#define IXGBE_RXDCTL_RLPML_EN 0x00008000 #define IXGBE_FCTRL_SBP 0x00000002 /* Store Bad Packet */ #define IXGBE_FCTRL_MPE 0x00000100 /* Multicast Promiscuous Ena*/ @@ -2240,6 +2264,7 @@ enum ixgbe_mac_type { enum ixgbe_phy_type { ixgbe_phy_unknown = 0, + ixgbe_phy_none, ixgbe_phy_tn, ixgbe_phy_aq, ixgbe_phy_cu_unknown, @@ -2328,32 +2353,31 @@ enum ixgbe_bus_type { /* PCI bus speeds */ enum ixgbe_bus_speed { ixgbe_bus_speed_unknown = 0, - ixgbe_bus_speed_33, - ixgbe_bus_speed_66, - ixgbe_bus_speed_100, - ixgbe_bus_speed_120, - ixgbe_bus_speed_133, - ixgbe_bus_speed_2500, - ixgbe_bus_speed_5000, + ixgbe_bus_speed_33 = 33, + ixgbe_bus_speed_66 = 66, + ixgbe_bus_speed_100 = 100, + ixgbe_bus_speed_120 = 120, + ixgbe_bus_speed_133 = 133, + ixgbe_bus_speed_2500 = 2500, + ixgbe_bus_speed_5000 = 5000, ixgbe_bus_speed_reserved }; /* PCI bus widths */ enum ixgbe_bus_width { ixgbe_bus_width_unknown = 0, - ixgbe_bus_width_pcie_x1, - ixgbe_bus_width_pcie_x2, + ixgbe_bus_width_pcie_x1 = 1, + ixgbe_bus_width_pcie_x2 = 2, ixgbe_bus_width_pcie_x4 = 4, ixgbe_bus_width_pcie_x8 = 8, - ixgbe_bus_width_32, - ixgbe_bus_width_64, + ixgbe_bus_width_32 = 32, + ixgbe_bus_width_64 = 64, ixgbe_bus_width_reserved }; struct ixgbe_addr_filter_info { u32 num_mc_addrs; u32 rar_used_count; - u32 mc_addr_in_rar_count; u32 mta_in_use; u32 overflow_promisc; bool uc_set_promisc; @@ -2491,6 +2515,8 @@ struct ixgbe_mac_operations { s32 (*write_analog_reg8)(struct ixgbe_hw*, u32, u8); s32 (*setup_sfp)(struct ixgbe_hw *); s32 (*enable_rx_dma)(struct ixgbe_hw *, u32); + s32 (*acquire_swfw_sync)(struct ixgbe_hw *, u16); + void (*release_swfw_sync)(struct ixgbe_hw *, u16); /* Link */ void (*disable_tx_laser)(struct ixgbe_hw *); @@ -2513,7 +2539,6 @@ struct ixgbe_mac_operations { s32 (*set_vmdq)(struct ixgbe_hw *, u32, u32); s32 (*clear_vmdq)(struct ixgbe_hw *, u32, u32); s32 (*init_rx_addrs)(struct ixgbe_hw *); - s32 (*update_uc_addr_list)(struct ixgbe_hw *, struct net_device *); s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *); s32 (*enable_mc)(struct ixgbe_hw *); s32 (*disable_mc)(struct ixgbe_hw *); @@ -2554,6 +2579,7 @@ struct ixgbe_eeprom_info { u16 address_bits; }; +#define IXGBE_FLAGS_DOUBLE_RESET_REQUIRED 0x01 struct ixgbe_mac_info { struct ixgbe_mac_operations ops; enum ixgbe_mac_type type; @@ -2564,6 +2590,8 @@ struct ixgbe_mac_info { u16 wwnn_prefix; /* prefix for World Wide Port Name (WWPN) */ u16 wwpn_prefix; +#define IXGBE_MAX_MTA 128 + u32 mta_shadow[IXGBE_MAX_MTA]; s32 mc_filter_type; u32 mcft_size; u32 vft_size; @@ -2576,6 +2604,7 @@ struct ixgbe_mac_info { u32 orig_autoc2; bool orig_link_settings_stored; bool autotry_restart; + u8 flags; }; struct ixgbe_phy_info { @@ -2682,7 +2711,9 @@ struct ixgbe_info { #define IXGBE_ERR_EEPROM_VERSION -24 #define IXGBE_ERR_NO_SPACE -25 #define IXGBE_ERR_OVERTEMP -26 -#define IXGBE_ERR_RAR_INDEX -27 +#define IXGBE_ERR_FC_NOT_NEGOTIATED -27 +#define IXGBE_ERR_FC_NOT_SUPPORTED -28 +#define IXGBE_ERR_FLOW_CONTROL -29 #define IXGBE_ERR_SFP_SETUP_NOT_COMPLETE -30 #define IXGBE_ERR_PBA_SECTION -31 #define IXGBE_ERR_INVALID_ARGUMENT -32 diff --git a/drivers/net/ixgbe/ixgbe_x540.c b/drivers/net/ixgbe/ixgbe_x540.c index f2518b0..f47e93f 100644 --- a/drivers/net/ixgbe/ixgbe_x540.c +++ b/drivers/net/ixgbe/ixgbe_x540.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -31,7 +31,6 @@ #include "ixgbe.h" #include "ixgbe_phy.h" -//#include "ixgbe_mbx.h" #define IXGBE_X540_MAX_TX_QUEUES 128 #define IXGBE_X540_MAX_RX_QUEUES 128 @@ -110,12 +109,9 @@ static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) * Prevent the PCI-E bus from from hanging by disabling PCI-E master * access and verify no pending requests before reset */ - status = ixgbe_disable_pcie_master(hw); - if (status != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } + ixgbe_disable_pcie_master(hw); +mac_reset_top: /* * Issue global reset to the MAC. Needs to be SW reset if link is up. * If link reset is used when link is up, it might reset the PHY when @@ -148,6 +144,19 @@ static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) hw_dbg(hw, "Reset polling failed to complete.\n"); } + /* + * Double resets are required for recovery from certain error + * conditions. Between resets, it is necessary to stall to allow time + * for any pending HW events to complete. We use 1usec since that is + * what is needed for ixgbe_disable_pcie_master(). The second reset + * then clears out any effects of those events. + */ + if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { + hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; + udelay(1); + goto mac_reset_top; + } + /* Clear PF Reset Done bit so PF/VF Mail Ops can work */ ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; @@ -191,7 +200,7 @@ static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) * clear the multicast table. Also reset num_rar_entries to 128, * since we modify this value when programming the SAN MAC address. */ - hw->mac.num_rar_entries = 128; + hw->mac.num_rar_entries = IXGBE_X540_MAX_TX_QUEUES; hw->mac.ops.init_rx_addrs(hw); /* Store the permanent mac address */ @@ -242,8 +251,11 @@ static u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw) } /** - * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params - * @hw: pointer to hardware structure + * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params + * @hw: pointer to hardware structure + * + * Initializes the EEPROM parameters ixgbe_eeprom_info within the + * ixgbe_hw struct in order to set up EEPROM access. **/ static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw) { @@ -262,7 +274,7 @@ static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw) IXGBE_EEPROM_WORD_SIZE_SHIFT); hw_dbg(hw, "Eeprom params: type = %d, size = %d\n", - eeprom->type, eeprom->word_size); + eeprom->type, eeprom->word_size); } return 0; @@ -278,7 +290,7 @@ static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data) { s32 status; - if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM) == 0) + if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) status = ixgbe_read_eerd_generic(hw, offset, data); else status = IXGBE_ERR_SWFW_SYNC; @@ -311,7 +323,7 @@ static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data) (data << IXGBE_EEPROM_RW_REG_DATA) | IXGBE_EEPROM_RW_REG_START; - if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM) == 0) { + if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) { status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE); if (status != 0) { hw_dbg(hw, "Eeprom write EEWR timed out\n"); @@ -676,7 +688,6 @@ static struct ixgbe_mac_operations mac_ops_X540 = { .set_vmdq = &ixgbe_set_vmdq_generic, .clear_vmdq = &ixgbe_clear_vmdq_generic, .init_rx_addrs = &ixgbe_init_rx_addrs_generic, - .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, .enable_mc = &ixgbe_enable_mc_generic, .disable_mc = &ixgbe_disable_mc_generic, @@ -687,6 +698,8 @@ static struct ixgbe_mac_operations mac_ops_X540 = { .setup_sfp = NULL, .set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, .set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, + .acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X540, + .release_swfw_sync = &ixgbe_release_swfw_sync_X540, }; static struct ixgbe_eeprom_operations eeprom_ops_X540 = { @@ -702,7 +715,7 @@ static struct ixgbe_phy_operations phy_ops_X540 = { .identify = &ixgbe_identify_phy_generic, .identify_sfp = &ixgbe_identify_sfp_module_generic, .init = NULL, - .reset = &ixgbe_reset_phy_generic, + .reset = NULL, .read_reg = &ixgbe_read_phy_reg_generic, .write_reg = &ixgbe_write_phy_reg_generic, .setup_link = &ixgbe_setup_phy_link_generic, |