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net: udp: Add support for getsockopt(..., ..., UDP_GRO, ..., ...);

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Support for UDP_GRO was added in the past but the implementation for
getsockopt was missed which did lead to an error when we tried to
retrieve the setting for UDP_GRO. This patch adds the missing switch
case for UDP_GRO

Fixes: e20cf8d3f1 ("udp: implement GRO for plain UDP sockets.")
Signed-off-by: Norman Maurer <norman_maurer@apple.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Norman Maurer 2021-04-01 08:59:17 +02:00 committed by David S. Miller
parent 6b9fbe1695
commit 98184612ac
1 changed files with 4 additions and 0 deletions
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4
net/ipv4/udp.c
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@ -2754,6 +2754,10 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
val = up->gso_size;
break;
case UDP_GRO:
val = up->gro_enabled;
break;
/* The following two cannot be changed on UDP sockets, the return is
* always 0 (which corresponds to the full checksum coverage of UDP). */
case UDPLITE_SEND_CSCOV: