diff options
Diffstat (limited to 'Documentation/networking/netdev-features.txt')
| -rw-r--r-- | Documentation/networking/netdev-features.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/networking/netdev-features.txt b/Documentation/networking/netdev-features.txt index 4b1c0dcef84c..4164f5c02e4b 100644 --- a/Documentation/networking/netdev-features.txt +++ b/Documentation/networking/netdev-features.txt @@ -152,3 +152,16 @@ NETIF_F_VLAN_CHALLENGED should be set for devices which can't cope with VLAN headers. Some drivers set this because the cards can't handle the bigger MTU. [FIXME: Those cases could be fixed in VLAN code by allowing only reduced-MTU VLANs. This may be not useful, though.] + +* rx-fcs + +This requests that the NIC append the Ethernet Frame Checksum (FCS) +to the end of the skb data. This allows sniffers and other tools to +read the CRC recorded by the NIC on receipt of the packet. + +* rx-all + +This requests that the NIC receive all possible frames, including errored +frames (such as bad FCS, etc). This can be helpful when sniffing a link with +bad packets on it. Some NICs may receive more packets if also put into normal +PROMISC mdoe. |