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net: SO_RCVMARK socket option for SO_MARK with recvmsg()

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Adding a new socket option, SO_RCVMARK, to indicate that SO_MARK
should be included in the ancillary data returned by recvmsg().

Renamed the sock_recv_ts_and_drops() function to sock_recv_cmsgs().

Signed-off-by: Erin MacNeil <lnx.erin@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20220427200259.2564-1-lnx.erin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Erin MacNeil
2022-04-27 16:02:37 -04:00
committed by Jakub Kicinski
parent 0e55546b18
commit 6fd1d51cfa
23 changed files with 56 additions and 27 deletions
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7
net/core/sock.c
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@@ -1311,6 +1311,9 @@ set_sndbuf:
__sock_set_mark(sk, val);
break;
case SO_RCVMARK:
sock_valbool_flag(sk, SOCK_RCVMARK, valbool);
break;
case SO_RXQ_OVFL:
sock_valbool_flag(sk, SOCK_RXQ_OVFL, valbool);
@@ -1737,6 +1740,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
v.val = sk->sk_mark;
break;
case SO_RCVMARK:
v.val = sock_flag(sk, SOCK_RCVMARK);
break;
case SO_RXQ_OVFL:
v.val = sock_flag(sk, SOCK_RXQ_OVFL);
break;