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net: Support RX-ALL feature flag.

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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>
This commit is contained in:
Ben Greear 2012-02-11 15:39:45 +00:00 • committed by Jeff Kirsher
parent 943146de22
commit 5e0c03c8cd
3 changed files with 10 additions and 0 deletions
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2
include/linux/netdev_features.h
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@ -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 */