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mptcp: setsockopt: SO_DEBUG and no-op options

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Handle SO_DEBUG and set it on all subflows.
Ignore those values not implemented on TCP sockets.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2021-04-15 16:45:00 -07:00 • committed by David S. Miller
parent 6f0d719808
commit a03c99b253
1 changed files with 16 additions and 0 deletions
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16
net/mptcp/sockopt.c
View file

@ -77,6 +77,9 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in
bool slow = lock_sock_fast(ssk);
switch (optname) {
case SO_DEBUG:
sock_valbool_flag(ssk, SOCK_DBG, !!val);
break;
case SO_KEEPALIVE:
if (ssk->sk_prot->keepalive)
ssk->sk_prot->keepalive(ssk, !!val);
@ -150,6 +153,7 @@ 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_DEBUG:
case SO_MARK:
case SO_PRIORITY:
case SO_SNDBUF:
@ -246,9 +250,21 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname,
case SO_RCVBUFFORCE:
case SO_MARK:
case SO_INCOMING_CPU:
case SO_DEBUG:
return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen);
case SO_LINGER:
return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);
case SO_NO_CHECK:
case SO_DONTROUTE:
case SO_BROADCAST:
case SO_BSDCOMPAT:
case SO_PASSCRED:
case SO_PASSSEC:
case SO_RXQ_OVFL:
case SO_WIFI_STATUS:
case SO_NOFCS:
case SO_SELECT_ERR_QUEUE:
return 0;
}
return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, optval, optlen);