diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 82 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 15 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4.h | 3 | ||||
| -rw-r--r-- | include/linux/mlx4/device.h | 5 |
5 files changed, 106 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index e30bf57..5a1c3d2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -154,6 +154,7 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [26] = "Port ETS Scheduler support", [27] = "Port beacon support", [28] = "RX-ALL support", + [29] = "802.1ad offload support", }; int i; @@ -307,6 +308,7 @@ int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80 #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS (1 << 31) +#define QUERY_FUNC_CAP_PHV_BIT 0x40 if (vhcr->op_modifier == 1) { struct mlx4_active_ports actv_ports = @@ -351,6 +353,12 @@ int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier], QUERY_FUNC_CAP_PHYS_PORT_ID); + if (dev->caps.phv_bit[port]) { + field = QUERY_FUNC_CAP_PHV_BIT; + MLX4_PUT(outbox->buf, field, + QUERY_FUNC_CAP_FLAGS0_OFFSET); + } + } else if (vhcr->op_modifier == 0) { struct mlx4_active_ports actv_ports = mlx4_get_active_ports(dev, slave); @@ -600,6 +608,9 @@ int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port, MLX4_GET(func_cap->phys_port_id, outbox, QUERY_FUNC_CAP_PHYS_PORT_ID); + MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); + func_cap->flags |= (field & QUERY_FUNC_CAP_PHV_BIT); + /* All other resources are allocated by the master, but we still report * 'num' and 'reserved' capabilities as follows: * - num remains the maximum resource index @@ -700,6 +711,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94 +#define QUERY_DEV_CAP_PHV_EN_OFFSET 0x96 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c @@ -898,6 +910,12 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV; if (field & (1 << 2)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS; + MLX4_GET(field, outbox, QUERY_DEV_CAP_PHV_EN_OFFSET); + if (field & 0x80) + dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PHV_EN; + if (field & 0x40) + dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN; + MLX4_GET(dev_cap->reserved_lkey, outbox, QUERY_DEV_CAP_RSVD_LKEY_OFFSET); MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET); @@ -1992,6 +2010,10 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); + /* phv_check enable */ + MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET); + if (byte_field & 0x2) + param->phv_check_en = 1; out: mlx4_free_cmd_mailbox(dev, mailbox); @@ -2758,3 +2780,63 @@ int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); } + +static int mlx4_SET_PORT_phv_bit(struct mlx4_dev *dev, u8 port, u8 phv_bit) +{ +#define SET_PORT_GEN_PHV_VALID 0x10 +#define SET_PORT_GEN_PHV_EN 0x80 + + struct mlx4_cmd_mailbox *mailbox; + struct mlx4_set_port_general_context *context; + u32 in_mod; + int err; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + context = mailbox->buf; + + context->v_ignore_fcs |= SET_PORT_GEN_PHV_VALID; + if (phv_bit) + context->phv_en |= SET_PORT_GEN_PHV_EN; + + in_mod = MLX4_SET_PORT_GENERAL << 8 | port; + err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, + MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, + MLX4_CMD_NATIVE); + + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} + +int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv) +{ + int err; + struct mlx4_func_cap func_cap; + + memset(&func_cap, 0, sizeof(func_cap)); + err = mlx4_QUERY_FUNC_CAP(dev, 1, &func_cap); + if (!err) + *phv = func_cap.flags & QUERY_FUNC_CAP_PHV_BIT; + return err; +} +EXPORT_SYMBOL(get_phv_bit); + +int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val) +{ + int ret; + + if (mlx4_is_slave(dev)) + return -EPERM; + + if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN && + !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) { + ret = mlx4_SET_PORT_phv_bit(dev, port, new_val); + if (!ret) + dev->caps.phv_bit[port] = new_val; + return ret; + } + + return -EOPNOTSUPP; +} +EXPORT_SYMBOL(set_phv_bit); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index 07cb7c2..08de555 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -204,6 +204,7 @@ struct mlx4_init_hca_param { u16 cqe_size; /* For use only when CQE stride feature enabled */ u16 eqe_size; /* For use only when EQE stride feature enabled */ u8 rss_ip_frags; + u8 phv_check_en; /* for QUERY_HCA */ }; struct mlx4_init_ib_param { diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index d76f425..6f35b6c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -405,6 +405,21 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.max_gso_sz = dev_cap->max_gso_sz; dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; + if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { + struct mlx4_init_hca_param hca_param; + + memset(&hca_param, 0, sizeof(hca_param)); + err = mlx4_QUERY_HCA(dev, &hca_param); + /* Turn off PHV_EN flag in case phv_check_en is set. + * phv_check_en is a HW check that parse the packet and verify + * phv bit was reported correctly in the wqe. To allow QinQ + * PHV_EN flag should be set and phv_check_en must be cleared + * otherwise QinQ packets will be drop by the HW. + */ + if (err || hca_param.phv_check_en) + dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_PHV_EN; + } + /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index a092c5c..232b2b5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -787,6 +787,9 @@ struct mlx4_set_port_general_context { u8 pprx; u8 pfcrx; u16 reserved4; + u32 reserved5; + u8 phv_en; + u8 reserved6[3]; }; struct mlx4_set_port_rqp_calc_context { diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index fd13c1c..bcbf8c7 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -211,6 +211,8 @@ enum { MLX4_DEV_CAP_FLAG2_ETS_CFG = 1LL << 26, MLX4_DEV_CAP_FLAG2_PORT_BEACON = 1LL << 27, MLX4_DEV_CAP_FLAG2_IGNORE_FCS = 1LL << 28, + MLX4_DEV_CAP_FLAG2_PHV_EN = 1LL << 29, + MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN = 1LL << 30, }; enum { @@ -581,6 +583,7 @@ struct mlx4_caps { u64 phys_port_id[MLX4_MAX_PORTS + 1]; int tunnel_offload_mode; u8 rx_checksum_flags_port[MLX4_MAX_PORTS + 1]; + u8 phv_bit[MLX4_MAX_PORTS + 1]; u8 alloc_res_qp_mask; u32 dmfs_high_rate_qpn_base; u32 dmfs_high_rate_qpn_range; @@ -1332,6 +1335,8 @@ int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time); int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port, u8 ignore_fcs_value); int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable); +int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val); +int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv); int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx); int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx); int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index); |