diff options
| -rw-r--r-- | net/mptcp/sockopt.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 423d3826ca1e..c7cb68c725b2 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -559,6 +559,7 @@ static bool mptcp_supported_sockopt(int level, int optname) case TCP_NOTSENT_LOWAT: case TCP_TX_DELAY: case TCP_INQ: + case TCP_FASTOPEN_CONNECT: return true; } @@ -567,7 +568,7 @@ static bool mptcp_supported_sockopt(int level, int optname) /* TCP_REPAIR, TCP_REPAIR_QUEUE, TCP_QUEUE_SEQ, TCP_REPAIR_OPTIONS, * TCP_REPAIR_WINDOW are not supported, better avoid this mess */ - /* TCP_FASTOPEN_KEY, TCP_FASTOPEN TCP_FASTOPEN_CONNECT, TCP_FASTOPEN_NO_COOKIE, + /* TCP_FASTOPEN_KEY, TCP_FASTOPEN, TCP_FASTOPEN_NO_COOKIE, * are not supported fastopen is currently unsupported */ } @@ -768,6 +769,19 @@ static int mptcp_setsockopt_sol_tcp_defer(struct mptcp_sock *msk, sockptr_t optv return tcp_setsockopt(listener->sk, SOL_TCP, TCP_DEFER_ACCEPT, optval, optlen); } +static int mptcp_setsockopt_sol_tcp_fastopen_connect(struct mptcp_sock *msk, sockptr_t optval, + unsigned int optlen) +{ + struct socket *sock; + + /* Limit to first subflow */ + sock = __mptcp_nmpc_socket(msk); + if (!sock) + return -EINVAL; + + return tcp_setsockopt(sock->sk, SOL_TCP, TCP_FASTOPEN_CONNECT, optval, optlen); +} + static int mptcp_setsockopt_sol_tcp(struct mptcp_sock *msk, int optname, sockptr_t optval, unsigned int optlen) { @@ -796,6 +810,8 @@ static int mptcp_setsockopt_sol_tcp(struct mptcp_sock *msk, int optname, return mptcp_setsockopt_sol_tcp_nodelay(msk, optval, optlen); case TCP_DEFER_ACCEPT: return mptcp_setsockopt_sol_tcp_defer(msk, optval, optlen); + case TCP_FASTOPEN_CONNECT: + return mptcp_setsockopt_sol_tcp_fastopen_connect(msk, optval, optlen); } return -EOPNOTSUPP; @@ -1157,6 +1173,7 @@ static int mptcp_getsockopt_sol_tcp(struct mptcp_sock *msk, int optname, case TCP_INFO: case TCP_CC_INFO: case TCP_DEFER_ACCEPT: + case TCP_FASTOPEN_CONNECT: return mptcp_getsockopt_first_sf_only(msk, SOL_TCP, optname, optval, optlen); case TCP_INQ: |