From: Alice Mikityanska Now that the kernel doesn't insert HBH for BIG TCP IPv6 packets, remove unnecessary steps from the GSO TX path, that used to check and remove HBH. Signed-off-by: Alice Mikityanska Acked-by: Paolo Abeni --- net/core/dev.c | 6 ++---- net/ipv6/ip6_offload.c | 5 +---- 2 files changed, 3 insertions(+), 8 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 43de5af0d6ec..ac6bcb2a0784 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3813,8 +3813,7 @@ static netdev_features_t gso_features_check(const struct sk_buff *skb, (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4 && vlan_get_protocol(skb) == htons(ETH_P_IPV6))) && skb_transport_header_was_set(skb) && - skb_network_header_len(skb) != sizeof(struct ipv6hdr) && - !ipv6_has_hopopt_jumbo(skb)) + skb_network_header_len(skb) != sizeof(struct ipv6hdr)) features &= ~(NETIF_F_IPV6_CSUM | NETIF_F_TSO6 | NETIF_F_GSO_UDP_L4); return features; @@ -3917,8 +3916,7 @@ int skb_csum_hwoffload_help(struct sk_buff *skb, if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) { if (vlan_get_protocol(skb) == htons(ETH_P_IPV6) && - skb_network_header_len(skb) != sizeof(struct ipv6hdr) && - !ipv6_has_hopopt_jumbo(skb)) + skb_network_header_len(skb) != sizeof(struct ipv6hdr)) goto sw_checksum; switch (skb->csum_offset) { diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index c44bb5812484..bd7f780e37a5 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -94,7 +94,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, struct sk_buff *segs = ERR_PTR(-EINVAL); struct ipv6hdr *ipv6h; const struct net_offload *ops; - int proto, err; + int proto; struct frag_hdr *fptr; unsigned int payload_len; u8 *prevhdr; @@ -104,9 +104,6 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, bool gso_partial; skb_reset_network_header(skb); - err = ipv6_hopopt_jumbo_remove(skb); - if (err) - return ERR_PTR(err); nhoff = skb_network_header(skb) - skb_mac_header(skb); if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) goto out; -- 2.52.0