diff options
| author | Dmitry Safonov <dima@arista.com> | 2023-10-23 20:22:09 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-27 10:35:45 +0100 |
| commit | 7753c2f0a857bfa6501e67deee03988dd0bcaae7 (patch) | |
| tree | 17b7ed1814fb38ad41fc98c8e1b94d4959b972cb /include/uapi | |
| parent | 953af8e3acb68d2db11937cec3bc5da31de5c12e (diff) | |
net/tcp: Add option for TCP-AO to (not) hash header
Provide setsockopt() key flag that makes TCP-AO exclude hashing TCP
header for peers that match the key. This is needed for interraction
with middleboxes that may change TCP options, see RFC5925 (9.2).
Co-developed-by: Francesco Ruggeri <fruggeri@arista.com>
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Co-developed-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/tcp.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index d8b2ea23f12a..320aab010f9a 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -367,6 +367,11 @@ struct tcp_diag_md5sig { #define TCP_AO_MAXKEYLEN 80 #define TCP_AO_KEYF_IFINDEX (1 << 0) /* L3 ifindex for VRF */ +#define TCP_AO_KEYF_EXCLUDE_OPT (1 << 1) /* "Indicates whether TCP + * options other than TCP-AO + * are included in the MAC + * calculation" + */ struct tcp_ao_add { /* setsockopt(TCP_AO_ADD_KEY) */ struct __kernel_sockaddr_storage addr; /* peer's address for the key */ |