Date: Thu, 11 Jan 2024 14:32:27 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: d14bf9de60a8 - stable/14 - netinet: Define IPv6 ECN mask Message-ID: <202401111432.40BEWRgi023441@gitrepo.freebsd.org>
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The branch stable/14 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=d14bf9de60a879dd9fccfbe977b467e87c0d357d commit d14bf9de60a879dd9fccfbe977b467e87c0d357d Author: Jose Luis Duran <jlduran@gmail.com> AuthorDate: 2023-10-28 02:50:18 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2024-01-11 14:18:12 +0000 netinet: Define IPv6 ECN mask Define a mask for the code point used for ECN in the Traffic Class field (2 bits) of an IPv6 header. BE: 0 0 3 0 0 0 0 0 Bit: 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |Version| Traffic Class | Flow Label | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ... | For BE (Big Endian), or network-byte order, this corresponds to 0x00300000. For Little Endian, it corresponds to 0x00003000. Reviewed by: imp, markj MFC after: 1 week Pull Request: https://github.com/freebsd/freebsd-src/pull/879 (cherry picked from commit b0e13f785b336670bdf39b83a78435b00d00f43c) --- sys/netinet/ip6.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/netinet/ip6.h b/sys/netinet/ip6.h index 8c3459339bbc..7b85fd5b4ddd 100644 --- a/sys/netinet/ip6.h +++ b/sys/netinet/ip6.h @@ -97,10 +97,12 @@ struct ip6_hdr { #if BYTE_ORDER == BIG_ENDIAN #define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ #define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ +#define IPV6_ECN_MASK 0x00300000 /* ECN code point (2 bits) */ #else #if BYTE_ORDER == LITTLE_ENDIAN #define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ #define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ +#define IPV6_ECN_MASK 0x00003000 /* ECN code point (2 bits) */ #endif /* LITTLE_ENDIAN */ #endif #define IPV6_FLOWLABEL_LEN 20
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