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authorChristoph Hellwig <hch@lst.de>2020-05-28 07:12:29 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:11:45 -0700
commit2de569bda2a66d1308ad3f205bb29cf4f95f5636 (patch)
treeefe6912815210ff223b905d3c08cab3824fa262b /include/net/ip.h
parentdb45c0ef258ef6c7ef3c1b8ea9e06e133e083c27 (diff)
ipv4: add ip_sock_set_mtu_discover
Add a helper to directly set the IP_MTU_DISCOVER sockopt from kernel space without going through a fake uaccess. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: David Howells <dhowells@redhat.com> [rxrpc bits] Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
-rw-r--r--include/net/ip.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index f063a491b906..d3649c49dd33 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -766,6 +766,7 @@ static inline bool inetdev_valid_mtu(unsigned int mtu)
}
void ip_sock_set_freebind(struct sock *sk);
+int ip_sock_set_mtu_discover(struct sock *sk, int val);
void ip_sock_set_recverr(struct sock *sk);
void ip_sock_set_tos(struct sock *sk, int val);