tcp_ipv4.c (5800571960234f9d1f1011bf135799b2014d4268) tcp_ipv4.c (a842fe1425cb20f457abd3f8ef98b468f83ca98b)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of communication with the user level.
6 *
7 * Implementation of the Transmission Control Protocol(TCP).
8 *

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761 }
762
763 BUILD_BUG_ON(offsetof(struct sock, sk_bound_dev_if) !=
764 offsetof(struct inet_timewait_sock, tw_bound_dev_if));
765
766 arg.tos = ip_hdr(skb)->tos;
767 arg.uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL);
768 local_bh_disable();
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of communication with the user level.
6 *
7 * Implementation of the Transmission Control Protocol(TCP).
8 *

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761 }
762
763 BUILD_BUG_ON(offsetof(struct sock, sk_bound_dev_if) !=
764 offsetof(struct inet_timewait_sock, tw_bound_dev_if));
765
766 arg.tos = ip_hdr(skb)->tos;
767 arg.uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL);
768 local_bh_disable();
769 ctl_sk = *this_cpu_ptr(net->ipv4.tcp_sk);
770 if (sk)
769 ctl_sk = this_cpu_read(*net->ipv4.tcp_sk);
770 if (sk) {
771 ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
772 inet_twsk(sk)->tw_mark : sk->sk_mark;
771 ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
772 inet_twsk(sk)->tw_mark : sk->sk_mark;
773 tcp_set_tx_time(skb, sk);
774 }
773 ip_send_unicast_reply(ctl_sk,
774 skb, &TCP_SKB_CB(skb)->header.h4.opt,
775 ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
776 &arg, arg.iov[0].iov_len);
777
778 ctl_sk->sk_mark = 0;
779 __TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
780 __TCP_INC_STATS(net, TCP_MIB_OUTRSTS);

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853 ip_hdr(skb)->saddr, /* XXX */
854 arg.iov[0].iov_len, IPPROTO_TCP, 0);
855 arg.csumoffset = offsetof(struct tcphdr, check) / 2;
856 if (oif)
857 arg.bound_dev_if = oif;
858 arg.tos = tos;
859 arg.uid = sock_net_uid(net, sk_fullsock(sk) ? sk : NULL);
860 local_bh_disable();
775 ip_send_unicast_reply(ctl_sk,
776 skb, &TCP_SKB_CB(skb)->header.h4.opt,
777 ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
778 &arg, arg.iov[0].iov_len);
779
780 ctl_sk->sk_mark = 0;
781 __TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
782 __TCP_INC_STATS(net, TCP_MIB_OUTRSTS);

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855 ip_hdr(skb)->saddr, /* XXX */
856 arg.iov[0].iov_len, IPPROTO_TCP, 0);
857 arg.csumoffset = offsetof(struct tcphdr, check) / 2;
858 if (oif)
859 arg.bound_dev_if = oif;
860 arg.tos = tos;
861 arg.uid = sock_net_uid(net, sk_fullsock(sk) ? sk : NULL);
862 local_bh_disable();
861 ctl_sk = *this_cpu_ptr(net->ipv4.tcp_sk);
862 if (sk)
863 ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
864 inet_twsk(sk)->tw_mark : sk->sk_mark;
863 ctl_sk = this_cpu_read(*net->ipv4.tcp_sk);
864 ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
865 inet_twsk(sk)->tw_mark : sk->sk_mark;
866 tcp_set_tx_time(skb, sk);
865 ip_send_unicast_reply(ctl_sk,
866 skb, &TCP_SKB_CB(skb)->header.h4.opt,
867 ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
868 &arg, arg.iov[0].iov_len);
869
870 ctl_sk->sk_mark = 0;
871 __TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
872 local_bh_enable();

--- 1859 unchanged lines hidden --- 		867 ip_send_unicast_reply(ctl_sk,
868 skb, &TCP_SKB_CB(skb)->header.h4.opt,
869 ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
870 &arg, arg.iov[0].iov_len);
871
872 ctl_sk->sk_mark = 0;
873 __TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
874 local_bh_enable();

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