From owner-dev-commits-src-all@freebsd.org Fri May 21 08:31:36 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D0A63654635; Fri, 21 May 2021 08:31:36 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Fmfw85JDKz4WQB; Fri, 21 May 2021 08:31:36 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 9DBD96129; Fri, 21 May 2021 08:31:36 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 14L8VajN000642; Fri, 21 May 2021 08:31:36 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14L8Va9P000641; Fri, 21 May 2021 08:31:36 GMT (envelope-from git) Date: Fri, 21 May 2021 08:31:36 GMT Message-Id: <202105210831.14L8Va9P000641@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Michael Tuexen Subject: git: 500eb6dd8040 - main - tcp: Fix sending of TCP segments with IP level options MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: tuexen X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 500eb6dd80404ea512e31a8f795c73cb802c9c64 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 May 2021 08:31:36 -0000 The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=500eb6dd80404ea512e31a8f795c73cb802c9c64 commit 500eb6dd80404ea512e31a8f795c73cb802c9c64 Author: Michael Tuexen AuthorDate: 2021-05-21 07:45:00 +0000 Commit: Michael Tuexen CommitDate: 2021-05-21 07:49:45 +0000 tcp: Fix sending of TCP segments with IP level options When bringing in TCP over UDP support in https://cgit.FreeBSD.org/src/commit/?id=9e644c23000c2f5028b235f6263d17ffb24d3605, the length of IP level options was considered when locating the transport header. This was incorrect and is fixed by this patch. X-MFC with: https://cgit.FreeBSD.org/src/commit/?id=9e644c23000c2f5028b235f6263d17ffb24d3605 MFC after: 3 days Reviewed by: markj, rscheff Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D30358 --- sys/netinet/tcp_output.c | 4 ++-- sys/netinet/tcp_stacks/bbr.c | 4 ++-- sys/netinet/tcp_stacks/rack.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index 20b9c0371122..93c376f81f1a 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -1154,7 +1154,7 @@ send: if (isipv6) { ip6 = mtod(m, struct ip6_hdr *); if (tp->t_port) { - udp = (struct udphdr *)((caddr_t)ip6 + ipoptlen + sizeof(struct ip6_hdr)); + udp = (struct udphdr *)((caddr_t)ip6 + sizeof(struct ip6_hdr)); udp->uh_sport = htons(V_tcp_udp_tunneling_port); udp->uh_dport = tp->t_port; ulen = hdrlen + len - sizeof(struct ip6_hdr); @@ -1172,7 +1172,7 @@ send: ipov = (struct ipovly *)ip; #endif if (tp->t_port) { - udp = (struct udphdr *)((caddr_t)ip + ipoptlen + sizeof(struct ip)); + udp = (struct udphdr *)((caddr_t)ip + sizeof(struct ip)); udp->uh_sport = htons(V_tcp_udp_tunneling_port); udp->uh_dport = tp->t_port; ulen = hdrlen + len - sizeof(struct ip); diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c index af6c9462c8e0..22762d21c289 100644 --- a/sys/netinet/tcp_stacks/bbr.c +++ b/sys/netinet/tcp_stacks/bbr.c @@ -13354,7 +13354,7 @@ send: if (isipv6) { ip6 = mtod(m, struct ip6_hdr *); if (tp->t_port) { - udp = (struct udphdr *)((caddr_t)ip6 + ipoptlen + sizeof(struct ip6_hdr)); + udp = (struct udphdr *)((caddr_t)ip6 + sizeof(struct ip6_hdr)); udp->uh_sport = htons(V_tcp_udp_tunneling_port); udp->uh_dport = tp->t_port; ulen = hdrlen + len - sizeof(struct ip6_hdr); @@ -13372,7 +13372,7 @@ send: ipov = (struct ipovly *)ip; #endif if (tp->t_port) { - udp = (struct udphdr *)((caddr_t)ip + ipoptlen + sizeof(struct ip)); + udp = (struct udphdr *)((caddr_t)ip + sizeof(struct ip)); udp->uh_sport = htons(V_tcp_udp_tunneling_port); udp->uh_dport = tp->t_port; ulen = hdrlen + len - sizeof(struct ip); diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c index c4f3be02dd29..73b47745cbac 100644 --- a/sys/netinet/tcp_stacks/rack.c +++ b/sys/netinet/tcp_stacks/rack.c @@ -17658,7 +17658,7 @@ send: if (isipv6) { ip6 = mtod(m, struct ip6_hdr *); if (tp->t_port) { - udp = (struct udphdr *)((caddr_t)ip6 + ipoptlen + sizeof(struct ip6_hdr)); + udp = (struct udphdr *)((caddr_t)ip6 + sizeof(struct ip6_hdr)); udp->uh_sport = htons(V_tcp_udp_tunneling_port); udp->uh_dport = tp->t_port; ulen = hdrlen + len - sizeof(struct ip6_hdr); @@ -17675,7 +17675,7 @@ send: ipov = (struct ipovly *)ip; #endif if (tp->t_port) { - udp = (struct udphdr *)((caddr_t)ip + ipoptlen + sizeof(struct ip)); + udp = (struct udphdr *)((caddr_t)ip + sizeof(struct ip)); udp->uh_sport = htons(V_tcp_udp_tunneling_port); udp->uh_dport = tp->t_port; ulen = hdrlen + len - sizeof(struct ip);