Commit 6f0d7198 authored by Florian Westphal's avatar Florian Westphal Committed by David S. Miller
Browse files

mptcp: setsockopt: add SO_INCOMING_CPU 



Replicate 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 36704413

net/mptcp/sockopt.c

+16 −0
Original line number Diff line number Diff line
@@ -101,6 +101,9 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in 
				sk_dst_reset(ssk);

			}

			break;

		case SO_INCOMING_CPU:

			WRITE_ONCE(ssk->sk_incoming_cpu, val);

			break;

		}



		subflow->setsockopt_seq = msk->setsockopt_seq;
@@ -125,6 +128,15 @@ static int mptcp_sol_socket_intval(struct mptcp_sock *msk, int optname, int val) 
	return 0;

}



static void mptcp_so_incoming_cpu(struct mptcp_sock *msk, int val)

{

	struct sock *sk = (struct sock *)msk;



	WRITE_ONCE(sk->sk_incoming_cpu, val);



	mptcp_sol_socket_sync_intval(msk, SO_INCOMING_CPU, val);

}



static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname,

					   sockptr_t optval, unsigned int optlen)

{
@@ -145,6 +157,9 @@ static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, 
	case SO_RCVBUF:

	case SO_RCVBUFFORCE:

		return mptcp_sol_socket_intval(msk, optname, val);

	case SO_INCOMING_CPU:

		mptcp_so_incoming_cpu(msk, val);

		return 0;

	}



	return -ENOPROTOOPT;
@@ -230,6 +245,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, 
	case SO_RCVBUF:

	case SO_RCVBUFFORCE:

	case SO_MARK:

	case SO_INCOMING_CPU:

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

	case SO_LINGER:

		return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);