Merge branch 'ufo_fixes'
Jiri Pirko says: ==================== UFO fixes Couple of patches fixing UFO functionality in different situations. v1->v2: - minor if{}else{} coding style adjustment suggested by Sergei Shtylyov ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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77d4015ba1
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@ -772,15 +772,20 @@ static inline int ip_ufo_append_data(struct sock *sk,
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/* initialize protocol header pointer */
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skb->transport_header = skb->network_header + fragheaderlen;
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skb->ip_summed = CHECKSUM_PARTIAL;
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skb->csum = 0;
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/* specify the length of each IP datagram fragment */
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skb_shinfo(skb)->gso_size = maxfraglen - fragheaderlen;
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skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
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__skb_queue_tail(queue, skb);
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} else if (skb_is_gso(skb)) {
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goto append;
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}
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skb->ip_summed = CHECKSUM_PARTIAL;
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/* specify the length of each IP datagram fragment */
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skb_shinfo(skb)->gso_size = maxfraglen - fragheaderlen;
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skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
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append:
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return skb_append_datato_frags(sk, skb, getfrag, from,
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(length - transhdrlen));
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}
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@ -1008,6 +1008,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
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{
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struct sk_buff *skb;
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struct frag_hdr fhdr;
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int err;
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/* There is support for UDP large send offload by network
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@ -1015,8 +1016,6 @@ static inline int ip6_ufo_append_data(struct sock *sk,
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* udp datagram
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*/
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if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) {
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struct frag_hdr fhdr;
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skb = sock_alloc_send_skb(sk,
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hh_len + fragheaderlen + transhdrlen + 20,
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(flags & MSG_DONTWAIT), &err);
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@ -1036,20 +1035,24 @@ static inline int ip6_ufo_append_data(struct sock *sk,
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skb->transport_header = skb->network_header + fragheaderlen;
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skb->protocol = htons(ETH_P_IPV6);
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skb->ip_summed = CHECKSUM_PARTIAL;
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skb->csum = 0;
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/* Specify the length of each IPv6 datagram fragment.
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* It has to be a multiple of 8.
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*/
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skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
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sizeof(struct frag_hdr)) & ~7;
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skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
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ipv6_select_ident(&fhdr, rt);
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skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
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__skb_queue_tail(&sk->sk_write_queue, skb);
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} else if (skb_is_gso(skb)) {
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goto append;
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}
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skb->ip_summed = CHECKSUM_PARTIAL;
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/* Specify the length of each IPv6 datagram fragment.
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* It has to be a multiple of 8.
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*/
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skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
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sizeof(struct frag_hdr)) & ~7;
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skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
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ipv6_select_ident(&fhdr, rt);
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skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
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append:
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return skb_append_datato_frags(sk, skb, getfrag, from,
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(length - transhdrlen));
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}
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@ -1225,9 +1225,6 @@ do_udp_sendmsg:
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if (tclass < 0)
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tclass = np->tclass;
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if (dontfrag < 0)
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dontfrag = np->dontfrag;
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if (msg->msg_flags&MSG_CONFIRM)
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goto do_confirm;
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back_from_confirm:
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@ -1246,6 +1243,8 @@ back_from_confirm:
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up->pending = AF_INET6;
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do_append_data:
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if (dontfrag < 0)
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dontfrag = np->dontfrag;
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up->len += ulen;
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getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
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err = ip6_append_data(sk, getfrag, msg->msg_iov, ulen,
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