diff options
Diffstat (limited to 'net/mptcp/sockopt.c')
| -rw-r--r-- | net/mptcp/sockopt.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 44e0a37c567c..3c3db22fd36a 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -616,6 +616,66 @@ static int mptcp_setsockopt_sol_tcp_congestion(struct mptcp_sock *msk, sockptr_t return ret; } +static int mptcp_setsockopt_sol_tcp_cork(struct mptcp_sock *msk, sockptr_t optval, + unsigned int optlen) +{ + struct mptcp_subflow_context *subflow; + struct sock *sk = (struct sock *)msk; + int val; + + if (optlen < sizeof(int)) + return -EINVAL; + + if (copy_from_sockptr(&val, optval, sizeof(val))) + return -EFAULT; + + lock_sock(sk); + sockopt_seq_inc(msk); + msk->cork = !!val; + mptcp_for_each_subflow(msk, subflow) { + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + + lock_sock(ssk); + __tcp_sock_set_cork(ssk, !!val); + release_sock(ssk); + } + if (!val) + mptcp_check_and_set_pending(sk); + release_sock(sk); + + return 0; +} + +static int mptcp_setsockopt_sol_tcp_nodelay(struct mptcp_sock *msk, sockptr_t optval, + unsigned int optlen) +{ + struct mptcp_subflow_context *subflow; + struct sock *sk = (struct sock *)msk; + int val; + + if (optlen < sizeof(int)) + return -EINVAL; + + if (copy_from_sockptr(&val, optval, sizeof(val))) + return -EFAULT; + + lock_sock(sk); + sockopt_seq_inc(msk); + msk->nodelay = !!val; + mptcp_for_each_subflow(msk, subflow) { + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + + lock_sock(ssk); + __tcp_sock_set_nodelay(ssk, !!val); + release_sock(ssk); + } + if (val) + mptcp_check_and_set_pending(sk); + release_sock(sk); + + return 0; +} + static int mptcp_setsockopt_sol_ip_set_transparent(struct mptcp_sock *msk, int optname, sockptr_t optval, unsigned int optlen) { @@ -717,6 +777,10 @@ static int mptcp_setsockopt_sol_tcp(struct mptcp_sock *msk, int optname, return -EOPNOTSUPP; case TCP_CONGESTION: return mptcp_setsockopt_sol_tcp_congestion(msk, optval, optlen); + case TCP_CORK: + return mptcp_setsockopt_sol_tcp_cork(msk, optval, optlen); + case TCP_NODELAY: + return mptcp_setsockopt_sol_tcp_nodelay(msk, optval, optlen); } return -EOPNOTSUPP; @@ -1087,6 +1151,10 @@ static int mptcp_getsockopt_sol_tcp(struct mptcp_sock *msk, int optname, optval, optlen); case TCP_INQ: return mptcp_put_int_option(msk, optval, optlen, msk->recvmsg_inq); + case TCP_CORK: + return mptcp_put_int_option(msk, optval, optlen, msk->cork); + case TCP_NODELAY: + return mptcp_put_int_option(msk, optval, optlen, msk->nodelay); } return -EOPNOTSUPP; } @@ -1189,6 +1257,8 @@ static void sync_socket_options(struct mptcp_sock *msk, struct sock *ssk) if (inet_csk(sk)->icsk_ca_ops != inet_csk(ssk)->icsk_ca_ops) tcp_set_congestion_control(ssk, msk->ca_name, false, true); + __tcp_sock_set_cork(ssk, !!msk->cork); + __tcp_sock_set_nodelay(ssk, !!msk->nodelay); inet_sk(ssk)->transparent = inet_sk(sk)->transparent; inet_sk(ssk)->freebind = inet_sk(sk)->freebind; |