Date: Fri, 31 Oct 2025 19:12:05 GMT From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 3aa6981e658b - stable/14 - udp: honor IPV6_TCLASS socket option for UDP/IPv4 packets Message-ID: <202510311912.59VJC5pL078435@gitrepo.freebsd.org>
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The branch stable/14 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=3aa6981e658b84aa0fee879697ae69b70f8c8f9d commit 3aa6981e658b84aa0fee879697ae69b70f8c8f9d Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2025-10-26 17:52:33 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2025-10-31 14:11:40 +0000 udp: honor IPV6_TCLASS socket option for UDP/IPv4 packets Honor the IPPROTO_IPV6-level socket option IPV6_TCLASS when sending an UDP/IPv4 packet on an AF_INET6 socket. Reviewed by: bz, glebius Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D53346 (cherry picked from commit 3535546a86846ddb0ca5fe4a0689ac635b504459) --- sys/netinet/udp_usrreq.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index ffffaa684f52..fdde19bc4475 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -1146,7 +1146,19 @@ udp_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, else INP_RLOCK(inp); NET_EPOCH_ENTER(et); +#ifdef INET6 + if ((flags & PRUS_IPV6) != 0) { + if ((inp->in6p_outputopts != NULL) && + (inp->in6p_outputopts->ip6po_tclass != -1)) + tos = (u_char)inp->in6p_outputopts->ip6po_tclass; + else + tos = 0; + } else { + tos = inp->inp_ip_tos; + } +#else tos = inp->inp_ip_tos; +#endif if (control != NULL) { /* * XXX: Currently, we assume all the optional information ishome | help
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