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| author | Patrick McHardy <kaber@trash.net> | 2011-01-14 14:12:37 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2011-01-14 14:12:37 +0100 |
| commit | 0134e89c7bcc9fde1da962c82a120691e185619f (patch) | |
| tree | 3e03335cf001019a2687d161e956de4f73379984 /drivers/net/ixgbe/ixgbe_fcoe.c | |
| parent | netfilter: fix Kconfig dependencies (diff) | |
| parent | netfilter: ebt_ip6: allow matching on ipv6-icmp types/codes (diff) | |
| download | linux-0134e89c7bcc9fde1da962c82a120691e185619f.tar.xz linux-0134e89c7bcc9fde1da962c82a120691e185619f.zip | |
Merge branch 'master' of git://1984.lsi.us.es/net-next-2.6
Conflicts:
net/ipv4/route.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_fcoe.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_fcoe.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index 05efa6a8ce8e..6342d4859790 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c @@ -68,7 +68,7 @@ static inline bool ixgbe_rx_is_fcoe(union ixgbe_adv_rx_desc *rx_desc) static inline void ixgbe_fcoe_clear_ddp(struct ixgbe_fcoe_ddp *ddp) { ddp->len = 0; - ddp->err = 0; + ddp->err = 1; ddp->udl = NULL; ddp->udp = 0UL; ddp->sgl = NULL; @@ -92,6 +92,7 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid) struct ixgbe_fcoe *fcoe; struct ixgbe_adapter *adapter; struct ixgbe_fcoe_ddp *ddp; + u32 fcbuff; if (!netdev) goto out_ddp_put; @@ -115,7 +116,14 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid) IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCBUFF, 0); IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW, (xid | IXGBE_FCDMARW_WE)); + + /* guaranteed to be invalidated after 100us */ + IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW, + (xid | IXGBE_FCDMARW_RE)); + fcbuff = IXGBE_READ_REG(&adapter->hw, IXGBE_FCBUFF); spin_unlock_bh(&fcoe->lock); + if (fcbuff & IXGBE_FCBUFF_VALID) + udelay(100); } if (ddp->sgl) pci_unmap_sg(adapter->pdev, ddp->sgl, ddp->sgc, @@ -168,6 +176,11 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, return 0; } + /* no DDP if we are already down or resetting */ + if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_RESETTING, &adapter->state)) + return 0; + fcoe = &adapter->fcoe; if (!fcoe->pool) { e_warn(drv, "xid=0x%x no ddp pool for fcoe\n", xid); |