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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-12 11:39:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-12 11:39:09 -0800
commit5de76b18d1a7193c49c1a4ee72261421a17de57c (patch)
treecd349813d06b8da020aaec0dcc33d499dd80fad5
parent8d0e7fb9d1581c4543ea917c2ea1a50db607a344 (diff)
parente1187b3be72be59625e445b186007e6eae27fef1 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: be2net: fix error in rx completion processing. igbvf: avoid reset storms due to mailbox issues igb: fix handling of mailbox collisions between PF/VF usb: remove rare pm primitive for conversion to new API
-rw-r--r--drivers/net/benet/be_main.c4
-rw-r--r--drivers/net/igb/igb_main.c22
-rw-r--r--drivers/net/igbvf/igbvf.h1
-rw-r--r--drivers/net/igbvf/netdev.c8
-rw-r--r--drivers/net/usb/kaweth.c4
5 files changed, 25 insertions, 14 deletions
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 24c7d9900ba..3a1f7902c16 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);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 16349ba6873..78963a0e128 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);
}
diff --git a/drivers/net/igbvf/igbvf.h b/drivers/net/igbvf/igbvf.h
index 3d1ee7a8478..a1774b29d22 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 a127620dc65..e9dd95f136a 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;
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 3b80e8d2d62..f1d64ef67ef 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;
}