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authorPaolo Abeni <pabeni@redhat.com>2022-10-20 19:48:51 +0200
committerDavid S. Miller <davem@davemloft.net>2022-10-24 11:52:50 +0200
commita5ef058dc4d9a3e60d1808a0700e18e0e37e408e (patch)
tree2cda419cd35a4ed16b361aeb82b25a5f55675a0a /net/socket.c
parentMerge branch 'net-800Gbps-support' (diff)
downloadlinux-a5ef058dc4d9a3e60d1808a0700e18e0e37e408e.tar.xz
linux-a5ef058dc4d9a3e60d1808a0700e18e0e37e408e.zip
net: introduce and use custom sockopt socket flag
We will soon introduce custom setsockopt for UDP sockets, too. Instead of doing even more complex arbitrary checks inside sock_use_custom_sol_socket(), add a new socket flag and set it for the relevant socket types (currently only MPTCP). Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Acked-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/net/socket.c b/net/socket.c
index 00da9ce3dba0..55c5d536e5f6 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2199,13 +2199,7 @@ SYSCALL_DEFINE4(recv, int, fd, void __user *, ubuf, size_t, size,
static bool sock_use_custom_sol_socket(const struct socket *sock)
{
- const struct sock *sk = sock->sk;
-
- /* Use sock->ops->setsockopt() for MPTCP */
- return IS_ENABLED(CONFIG_MPTCP) &&
- sk->sk_protocol == IPPROTO_MPTCP &&
- sk->sk_type == SOCK_STREAM &&
- (sk->sk_family == AF_INET || sk->sk_family == AF_INET6);
+ return test_bit(SOCK_CUSTOM_SOCKOPT, &sock->flags);
}
/*