From ceb0c77e573bb208e282ce9af973a07ab79791e2 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Fri, 11 Dec 2009 21:43:00 -0800 Subject: usb: remove rare pm primitive for conversion to new API This patch removes a rare use of the USB power management API which won't be supported after the conversion to the new generic runtime power management framework. Functionality is not altered. Signed-off-by: Oliver Neukum Signed-off-by: David S. Miller diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c index 3b80e8d..f1d64ef 100644 --- a/drivers/net/usb/kaweth.c +++ b/drivers/net/usb/kaweth.c @@ -716,7 +716,7 @@ static int kaweth_open(struct net_device *net) return 0; err_out: - usb_autopm_enable(kaweth->intf); + usb_autopm_put_interface(kaweth->intf); return -EIO; } @@ -753,7 +753,7 @@ static int kaweth_close(struct net_device *net) kaweth->status &= ~KAWETH_STATUS_CLOSING; - usb_autopm_enable(kaweth->intf); + usb_autopm_put_interface(kaweth->intf); return 0; } -- cgit v0.10.2 From fef45f4ce221fc110f70716a00f40be697c5b254 Mon Sep 17 00:00:00 2001 From: Alexander Duyck Date: Fri, 11 Dec 2009 22:57:34 -0800 Subject: igb: fix handling of mailbox collisions between PF/VF This patch changes the handling of collisions between the use of the PF/VF sides of the mailbox. Signed-off-by: Alexander Duyck Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 16349ba..78963a0 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -4608,8 +4608,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf); - if (retval) + if (retval) { + /* if receive failed revoke VF CTS stats and restart init */ dev_err(&pdev->dev, "Error receiving message from VF\n"); + vf_data->flags &= ~IGB_VF_FLAG_CTS; + if (!time_after(jiffies, vf_data->last_nack + (2 * HZ))) + return; + goto out; + } /* this is a message we already processed, do nothing */ if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK)) @@ -4626,12 +4632,10 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) } if (!(vf_data->flags & IGB_VF_FLAG_CTS)) { - msgbuf[0] = E1000_VT_MSGTYPE_NACK; - if (time_after(jiffies, vf_data->last_nack + (2 * HZ))) { - igb_write_mbx(hw, msgbuf, 1, vf); - vf_data->last_nack = jiffies; - } - return; + if (!time_after(jiffies, vf_data->last_nack + (2 * HZ))) + return; + retval = -1; + goto out; } switch ((msgbuf[0] & 0xFFFF)) { @@ -4656,14 +4660,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) break; } + msgbuf[0] |= E1000_VT_MSGTYPE_CTS; +out: /* notify the VF of the results of what it sent us */ if (retval) msgbuf[0] |= E1000_VT_MSGTYPE_NACK; else msgbuf[0] |= E1000_VT_MSGTYPE_ACK; - msgbuf[0] |= E1000_VT_MSGTYPE_CTS; - igb_write_mbx(hw, msgbuf, 1, vf); } -- cgit v0.10.2 From 7227909340477c1e5225bb2df76cdcc95b5e1da1 Mon Sep 17 00:00:00 2001 From: Alexander Duyck Date: Fri, 11 Dec 2009 22:58:14 -0800 Subject: igbvf: avoid reset storms due to mailbox issues From: Alexander Duyck This change makes it so that reset/interrupt storms can be avoided when there are mailbox issues. The new behavior is to only allow the device to trigger mailbox related resets only once every 10 seconds. Signed-off-by: Alexander Duyck Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller diff --git a/drivers/net/igbvf/igbvf.h b/drivers/net/igbvf/igbvf.h index 3d1ee7a..a1774b2 100644 --- a/drivers/net/igbvf/igbvf.h +++ b/drivers/net/igbvf/igbvf.h @@ -276,6 +276,7 @@ struct igbvf_adapter { unsigned long led_status; unsigned int flags; + unsigned long last_reset; }; struct igbvf_info { diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c index a127620..e9dd95f 100644 --- a/drivers/net/igbvf/netdev.c +++ b/drivers/net/igbvf/netdev.c @@ -1469,6 +1469,8 @@ static void igbvf_reset(struct igbvf_adapter *adapter) memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len); } + + adapter->last_reset = jiffies; } int igbvf_up(struct igbvf_adapter *adapter) @@ -1812,11 +1814,15 @@ static bool igbvf_has_link(struct igbvf_adapter *adapter) s32 ret_val = E1000_SUCCESS; bool link_active; + /* If interface is down, stay link down */ + if (test_bit(__IGBVF_DOWN, &adapter->state)) + return false; + ret_val = hw->mac.ops.check_for_link(hw); link_active = !hw->mac.get_link_status; /* if check for link returns error we will need to reset */ - if (ret_val) + if (ret_val && time_after(jiffies, adapter->last_reset + (10 * HZ))) schedule_work(&adapter->reset_task); return link_active; -- cgit v0.10.2 From e1187b3be72be59625e445b186007e6eae27fef1 Mon Sep 17 00:00:00 2001 From: Ajit Khaparde Date: Fri, 11 Dec 2009 22:59:09 -0800 Subject: be2net: fix error in rx completion processing. There are certain skews of the NIC which have multiple bits set in adapter->cap. Use & instead of == to process rx completions. Signed-off-by: Ajit Khaparde Signed-off-by: David S. Miller diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 24c7d99..3a1f790 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -759,7 +759,7 @@ static void be_rx_compl_process(struct be_adapter *adapter, /* vlanf could be wrongly set in some cards. * ignore if vtm is not set */ - if ((adapter->cap == 0x400) && !vtm) + if ((adapter->cap & 0x400) && !vtm) vlanf = 0; skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN); @@ -816,7 +816,7 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter, /* vlanf could be wrongly set in some cards. * ignore if vtm is not set */ - if ((adapter->cap == 0x400) && !vtm) + if ((adapter->cap & 0x400) && !vtm) vlanf = 0; skb = napi_get_frags(&eq_obj->napi); -- cgit v0.10.2