@@ -347,6 +347,7 @@ struct ethtool_perm_addr {
* flag differs from the read-only value.
*/
enum ethtool_flags {
+ ETH_FLAG_RXFCS = (1 << 0), /* Append FCS to skb */
ETH_FLAG_TXVLAN = (1 << 7), /* TX VLAN offload enabled */
ETH_FLAG_RXVLAN = (1 << 8), /* RX VLAN offload enabled */
ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */
@@ -54,6 +54,7 @@ enum {
NETIF_F_RXCSUM_BIT, /* Receive checksumming offload */
NETIF_F_NOCACHE_COPY_BIT, /* Use no-cache copyfromuser */
NETIF_F_LOOPBACK_BIT, /* Enable loopback */
+ NETIF_F_RXFCS_BIT, /* Append FCS to skb */
/*
* Add your fresh new feature above and remember to update
@@ -98,6 +99,7 @@ enum {
#define NETIF_F_RXCSUM __NETIF_F(RXCSUM)
#define NETIF_F_NOCACHE_COPY __NETIF_F(NOCACHE_COPY)
#define NETIF_F_LOOPBACK __NETIF_F(LOOPBACK)
+#define NETIF_F_RXFCS __NETIF_F(RXFCS)
/* Features valid for ethtool to change */
/* = all defined minus driver/device-class-related */
@@ -74,6 +74,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_RXCSUM_BIT] = "rx-checksum",
[NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
[NETIF_F_LOOPBACK_BIT] = "loopback",
+ [NETIF_F_RXFCS_BIT] = "rx-fcs",
};
static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
@@ -249,9 +250,10 @@ static int ethtool_set_one_feature(struct net_device *dev,
}
#define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \
- ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH)
+ ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH | ETH_FLAG_RXFCS)
#define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_RX | \
- NETIF_F_HW_VLAN_TX | NETIF_F_NTUPLE | NETIF_F_RXHASH)
+ NETIF_F_HW_VLAN_TX | NETIF_F_NTUPLE | \
+ NETIF_F_RXHASH | NETIF_F_RXFCS)
static u32 __ethtool_get_flags(struct net_device *dev)
{
@@ -262,6 +264,8 @@ static u32 __ethtool_get_flags(struct net_device *dev)
if (dev->features & NETIF_F_HW_VLAN_TX) flags |= ETH_FLAG_TXVLAN;
if (dev->features & NETIF_F_NTUPLE) flags |= ETH_FLAG_NTUPLE;
if (dev->features & NETIF_F_RXHASH) flags |= ETH_FLAG_RXHASH;
+ if (dev->features & NETIF_F_RXFCS)
+ flags |= ETH_FLAG_RXFCS;
return flags;
}
@@ -278,6 +282,8 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data)
if (data & ETH_FLAG_TXVLAN) features |= NETIF_F_HW_VLAN_TX;
if (data & ETH_FLAG_NTUPLE) features |= NETIF_F_NTUPLE;
if (data & ETH_FLAG_RXHASH) features |= NETIF_F_RXHASH;
+ if (data & ETH_FLAG_RXFCS)
+ features |= NETIF_F_RXFCS;
/* allow changing only bits set in hw_features */
changed = (features ^ dev->features) & ETH_ALL_FEATURES;