diff options
Diffstat (limited to 'net/ipv4/tcp_offload.c')
| -rw-r--r-- | net/ipv4/tcp_offload.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index 3a7525e6c086..a2b68a108eae 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -14,10 +14,11 @@ #include <net/tcp.h> #include <net/protocol.h> -struct sk_buff *tcp_tso_segment(struct sk_buff *skb, +struct sk_buff *tcp_gso_segment(struct sk_buff *skb, netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); + unsigned int sum_truesize = 0; struct tcphdr *th; unsigned int thlen; unsigned int seq; @@ -56,6 +57,8 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, SKB_GSO_TCP_ECN | SKB_GSO_TCPV6 | SKB_GSO_GRE | + SKB_GSO_IPIP | + SKB_GSO_SIT | SKB_GSO_MPLS | SKB_GSO_UDP_TUNNEL | 0) || @@ -102,13 +105,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, if (copy_destructor) { skb->destructor = gso_skb->destructor; skb->sk = gso_skb->sk; - /* {tcp|sock}_wfree() use exact truesize accounting : - * sum(skb->truesize) MUST be exactly be gso_skb->truesize - * So we account mss bytes of 'true size' for each segment. - * The last segment will contain the remaining. - */ - skb->truesize = mss; - gso_skb->truesize -= mss; + sum_truesize += skb->truesize; } skb = skb->next; th = tcp_hdr(skb); @@ -125,7 +122,9 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, if (copy_destructor) { swap(gso_skb->sk, skb->sk); swap(gso_skb->destructor, skb->destructor); - swap(gso_skb->truesize, skb->truesize); + sum_truesize += skb->truesize; + atomic_add(sum_truesize - gso_skb->truesize, + &skb->sk->sk_wmem_alloc); } delta = htonl(oldlen + (skb_tail_pointer(skb) - @@ -139,7 +138,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, out: return segs; } -EXPORT_SYMBOL(tcp_tso_segment); +EXPORT_SYMBOL(tcp_gso_segment); struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb) { @@ -320,7 +319,7 @@ static int tcp4_gro_complete(struct sk_buff *skb) static const struct net_offload tcpv4_offload = { .callbacks = { .gso_send_check = tcp_v4_gso_send_check, - .gso_segment = tcp_tso_segment, + .gso_segment = tcp_gso_segment, .gro_receive = tcp4_gro_receive, .gro_complete = tcp4_gro_complete, }, |