diff options
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 14 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 674cf9d13b98..8984c4938881 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -930,6 +930,14 @@ static inline bool is_ipv4_pkt(struct sk_buff *skb) return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; } +static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) +{ + if (ip_hdr(skb)->version == 6) + return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); + else + return false; +} + #define be_error_recovering(adapter) \ (adapter->flags & BE_FLAGS_TRY_RECOVERY) diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 319eee36649b..0e3d9f39a807 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5089,6 +5089,20 @@ static netdev_features_t be_features_check(struct sk_buff *skb, struct be_adapter *adapter = netdev_priv(dev); u8 l4_hdr = 0; + if (skb_is_gso(skb)) { + /* IPv6 TSO requests with extension hdrs are a problem + * to Lancer and BE3 HW. Disable TSO6 feature. + */ + if (!skyhawk_chip(adapter) && is_ipv6_ext_hdr(skb)) + features &= ~NETIF_F_TSO6; + + /* Lancer cannot handle the packet with MSS less than 256. + * Disable the GSO support in such cases + */ + if (lancer_chip(adapter) && skb_shinfo(skb)->gso_size < 256) + features &= ~NETIF_F_GSO_MASK; + } + /* The code below restricts offload features for some tunneled and * Q-in-Q packets. * Offload features for normal (non tunnel) packets are unchanged. |