diff options
| author |   Eric Dumazet <edumazet@google.com> | 2022-05-13 11:34:00 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-05-16 10:18:56 +0100 |
| commit | 7c96d8ec96bb71aac54c9f872aaa65d7411ab864 (patch) | |
| tree | 76545f763369a3051ae1d24ca428e063e26bc136 /include/net/ipv6.h | |
| parent | tcp_cubic: make hystart_ack_delay() aware of BIG TCP (diff) | |
| download | linux-dev-7c96d8ec96bb71aac54c9f872aaa65d7411ab864.tar.xz linux-dev-7c96d8ec96bb71aac54c9f872aaa65d7411ab864.zip | |
ipv6: add struct hop_jumbo_hdr definition
Following patches will need to add and remove local IPv6 jumbogram
options to enable BIG TCP.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 213612f1680c..63d019953c47 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 |