net: Support RX-ALL feature flag.

This flag requests that network devices pass all
received frames up the stack, even ones with errors
such as invalid FCS (frame check sum).  This will
allow sniffers to see bad packets and perhaps
give the user some idea how to fix the problem.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index d1331865f830..5ac32123035a 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -55,6 +55,7 @@ enum {
         NETIF_F_NOCACHE_COPY_BIT,       /* Use no-cache copyfromuser */
         NETIF_F_LOOPBACK_BIT,           /* Enable loopback */
         NETIF_F_RXFCS_BIT,              /* Append FCS to skb pkt data */
+        NETIF_F_RXALL_BIT,              /* Receive errored frames too */
 
         /*
          * Add your fresh new feature above and remember to update
@@ -100,6 +101,7 @@ enum {
 #define NETIF_F_UFO             __NETIF_F(UFO)
 #define NETIF_F_VLAN_CHALLENGED __NETIF_F(VLAN_CHALLENGED)
 #define NETIF_F_RXFCS           __NETIF_F(RXFCS)
+#define NETIF_F_RXALL           __NETIF_F(RXALL)
 
 /* Features valid for ethtool to change */
 /* = all defined minus driver/device-class-related */