Commit 36704413 authored by Florian Westphal's avatar Florian Westphal Committed by David S. Miller
Browse files

mptcp: setsockopt: add SO_MARK support 



Value is synced to all subflows.

Acked-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
Signed-off-by: default avatarMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 268b1238

net/mptcp/sockopt.c

+8 −0
Original line number Diff line number Diff line
@@ -95,6 +95,12 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in 
			ssk->sk_userlocks |= SOCK_RCVBUF_LOCK;

			WRITE_ONCE(ssk->sk_rcvbuf, sk->sk_rcvbuf);

			break;

		case SO_MARK:

			if (READ_ONCE(ssk->sk_mark) != sk->sk_mark) {

				ssk->sk_mark = sk->sk_mark;

				sk_dst_reset(ssk);

			}

			break;

		}



		subflow->setsockopt_seq = msk->setsockopt_seq;
@@ -132,6 +138,7 @@ static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, 
	case SO_KEEPALIVE:

		mptcp_sol_socket_sync_intval(msk, optname, val);

		return 0;

	case SO_MARK:

	case SO_PRIORITY:

	case SO_SNDBUF:

	case SO_SNDBUFFORCE:
@@ -222,6 +229,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, 
	case SO_SNDBUFFORCE:

	case SO_RCVBUF:

	case SO_RCVBUFFORCE:

	case SO_MARK:

		return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen);

	case SO_LINGER:

		return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);