diff options
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 2883ff1e909c..da4abbee10f7 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -882,7 +882,8 @@ static int __ip_append_data(struct sock *sk, skb = skb_peek_tail(queue); exthdrlen = !skb ? rt->dst.header_len : 0; - mtu = cork->fragsize; + mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize; + if (cork->tx_flags & SKBTX_ANY_SW_TSTAMP && sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) tskey = sk->sk_tskey++; @@ -906,7 +907,7 @@ static int __ip_append_data(struct sock *sk, if (transhdrlen && length + fragheaderlen <= mtu && rt->dst.dev->features & (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM) && - !(flags & MSG_MORE) && + (!(flags & MSG_MORE) || cork->gso_size) && !exthdrlen) csummode = CHECKSUM_PARTIAL; @@ -1135,6 +1136,8 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork, *rtp = NULL; cork->fragsize = ip_sk_use_pmtu(sk) ? dst_mtu(&rt->dst) : rt->dst.dev->mtu; + + cork->gso_size = sk->sk_type == SOCK_DGRAM ? ipc->gso_size : 0; cork->dst = &rt->dst; cork->length = 0; cork->ttl = ipc->ttl; @@ -1214,7 +1217,7 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page, return -EOPNOTSUPP; hh_len = LL_RESERVED_SPACE(rt->dst.dev); - mtu = cork->fragsize; + mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize; fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0); maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen; |