[PATCH v4 net-next 04/14] ipv6: add struct hop_jumbo_hdr definition
From: Eric Dumazet <hidden>
Date: 2022-03-10 05:47:26
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
From: Eric Dumazet <edumazet@google.com> Following patches will need to add and remove local IPv6 jumbogram options to enable BIG TCP. Signed-off-by: Eric Dumazet <edumazet@google.com> --- include/net/ipv6.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 213612f1680c7c39f4c07f0c05b4e6cf34a7878e..63d019953c47ea03d3b723a58c25e83c249489a9 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h@@ -151,6 +151,17 @@ struct frag_hdr { __be32 identification; }; +/* + * Jumbo payload option, as described in RFC 2675 2. + */ +struct hop_jumbo_hdr { + u8 nexthdr; + u8 hdrlen; + u8 tlv_type; /* IPV6_TLV_JUMBO, 0xC2 */ + u8 tlv_len; /* 4 */ + __be32 jumbo_payload_len; +}; + #define IP6_MF 0x0001 #define IP6_OFFSET 0xFFF8
--
2.35.1.616.g0bdcbb4464-goog