ip_output.c (aa9e0de81b5b257f6dae48efe2ed5f255f066497) ip_output.c (09c2d251b70723650ba47e83571ff49281320f7c)
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * The Internet Protocol (IP) output module.
7 *
8 * Authors: Ross Biro

--- 841 unchanged lines hidden (view full) ---

850 int exthdrlen;
851 int mtu;
852 int copy;
853 int err;
854 int offset = 0;
855 unsigned int maxfraglen, fragheaderlen, maxnonfragsize;
856 int csummode = CHECKSUM_NONE;
857 struct rtable *rt = (struct rtable *)cork->dst;
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * The Internet Protocol (IP) output module.
7 *
8 * Authors: Ross Biro

--- 841 unchanged lines hidden (view full) ---

850 int exthdrlen;
851 int mtu;
852 int copy;
853 int err;
854 int offset = 0;
855 unsigned int maxfraglen, fragheaderlen, maxnonfragsize;
856 int csummode = CHECKSUM_NONE;
857 struct rtable *rt = (struct rtable *)cork->dst;
858 u32 tskey = 0;
858
859 skb = skb_peek_tail(queue);
860
861 exthdrlen = !skb ? rt->dst.header_len : 0;
862 mtu = cork->fragsize;
859
860 skb = skb_peek_tail(queue);
861
862 exthdrlen = !skb ? rt->dst.header_len : 0;
863 mtu = cork->fragsize;
864 if (cork->tx_flags & SKBTX_ANY_SW_TSTAMP &&
865 sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)
866 tskey = sk->sk_tskey++;
863
864 hh_len = LL_RESERVED_SPACE(rt->dst.dev);
865
866 fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
867 maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
868 maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu;
869
870 if (cork->length + length > maxnonfragsize - fragheaderlen) {

--- 86 unchanged lines hidden (view full) ---

957 skb = NULL;
958 if (atomic_read(&sk->sk_wmem_alloc) <=
959 2 * sk->sk_sndbuf)
960 skb = sock_wmalloc(sk,
961 alloclen + hh_len + 15, 1,
962 sk->sk_allocation);
963 if (unlikely(skb == NULL))
964 err = -ENOBUFS;
867
868 hh_len = LL_RESERVED_SPACE(rt->dst.dev);
869
870 fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
871 maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
872 maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu;
873
874 if (cork->length + length > maxnonfragsize - fragheaderlen) {

--- 86 unchanged lines hidden (view full) ---

961 skb = NULL;
962 if (atomic_read(&sk->sk_wmem_alloc) <=
963 2 * sk->sk_sndbuf)
964 skb = sock_wmalloc(sk,
965 alloclen + hh_len + 15, 1,
966 sk->sk_allocation);
967 if (unlikely(skb == NULL))
968 err = -ENOBUFS;
965 else
966 /* only the initial fragment is
967 time stamped */
968 cork->tx_flags = 0;
969 }
970 if (skb == NULL)
971 goto error;
972
973 /*
974 * Fill in the control structures
975 */
976 skb->ip_summed = csummode;
977 skb->csum = 0;
978 skb_reserve(skb, hh_len);
969 }
970 if (skb == NULL)
971 goto error;
972
973 /*
974 * Fill in the control structures
975 */
976 skb->ip_summed = csummode;
977 skb->csum = 0;
978 skb_reserve(skb, hh_len);
979
980 /* only the initial fragment is time stamped */
979 skb_shinfo(skb)->tx_flags = cork->tx_flags;
981 skb_shinfo(skb)->tx_flags = cork->tx_flags;
982 cork->tx_flags = 0;
983 skb_shinfo(skb)->tskey = tskey;
984 tskey = 0;
980
981 /*
982 * Find where to start putting bytes.
983 */
984 data = skb_put(skb, fraglen + exthdrlen);
985 skb_set_network_header(skb, exthdrlen);
986 skb->transport_header = (skb->network_header +
987 fragheaderlen);

--- 610 unchanged lines hidden --- 		985
986 /*
987 * Find where to start putting bytes.
988 */
989 data = skb_put(skb, fraglen + exthdrlen);
990 skb_set_network_header(skb, exthdrlen);
991 skb->transport_header = (skb->network_header +
992 fragheaderlen);

--- 610 unchanged lines hidden ---