summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/igbvf/defines.h
diff options
context:
space:
mode:
authorMitch A Williams <mitch.a.williams@intel.com>2012-11-17 11:10:16 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-11-28 15:57:23 +0400
commit2c1a10196511a2c1af612a59aa1e5385afca0533 (patch)
tree543cfd7a73f6367e204220dc590f2b339696e663 /drivers/net/ethernet/intel/igbvf/defines.h
parent03f52a0a554210d5049eeed9f1bb29047dc807cb (diff)
downloadlinux-2c1a10196511a2c1af612a59aa1e5385afca0533.tar.xz
igbvf: work around i350 erratum
On i350 VF devices, VLAN tags will be byte-swapped in the receive descriptor only when received packets are looped back from other VFs. Check for this condition and swab the tag if needed. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igbvf/defines.h')
-rw-r--r--drivers/net/ethernet/intel/igbvf/defines.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igbvf/defines.h b/drivers/net/ethernet/intel/igbvf/defines.h
index 3e18045d8f89..d9fa999b1685 100644
--- a/drivers/net/ethernet/intel/igbvf/defines.h
+++ b/drivers/net/ethernet/intel/igbvf/defines.h
@@ -46,6 +46,7 @@
#define E1000_RXD_ERR_SE 0x02 /* Symbol Error */
#define E1000_RXD_SPC_VLAN_MASK 0x0FFF /* VLAN ID is in lower 12 bits */
+#define E1000_RXDEXT_STATERR_LB 0x00040000
#define E1000_RXDEXT_STATERR_CE 0x01000000
#define E1000_RXDEXT_STATERR_SE 0x02000000
#define E1000_RXDEXT_STATERR_SEQ 0x04000000