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| author | Peter Krystad <peter.krystad@linux.intel.com> | 2020-01-22 03:56:16 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-24 15:44:07 +0300 |
| commit | eda7acddf8080bb2d022a8d4b8b2345eb80c63ec (patch) | |
| tree | 91aded05b9988f6f8b55683eec74712a33cb2270 /net/ipv4/tcp_input.c | |
| parent | f870fa0b5768842cb4690c1c11f19f28b731ae6d (diff) | |
| download | linux-eda7acddf8080bb2d022a8d4b8b2345eb80c63ec.tar.xz | |
mptcp: Handle MPTCP TCP options
Add hooks to parse and format the MP_CAPABLE option.
This option is handled according to MPTCP version 0 (RFC6824).
MPTCP version 1 MP_CAPABLE (RFC6824bis/RFC8684) will be added later in
coordination with related code changes.
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Florian Westphal <fw@strlen.de>
Co-developed-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Peter Krystad <peter.krystad@linux.intel.com>
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 358365598216..3458ee13e6f0 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -79,6 +79,7 @@ #include <trace/events/tcp.h> #include <linux/jump_label_ratelimit.h> #include <net/busy_poll.h> +#include <net/mptcp.h> int sysctl_tcp_max_orphans __read_mostly = NR_FILE; @@ -3924,6 +3925,10 @@ void tcp_parse_options(const struct net *net, */ break; #endif + case TCPOPT_MPTCP: + mptcp_parse_option(ptr, opsize, opt_rx); + break; + case TCPOPT_FASTOPEN: tcp_parse_fastopen_option( opsize - TCPOLEN_FASTOPEN_BASE, |