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authorLeon Romanovsky <leon@kernel.org>2023-12-12 09:04:59 +0200
committerLeon Romanovsky <leon@kernel.org>2023-12-12 09:04:59 +0200
commitafcda192dbab7df48dfedb1813a6d03bf6bd4996 (patch)
tree270d0e74520e0f8d17da34bbdd8d91dec47f3585 /net/unix
parent07f830ae4913d0b986c8c0ff88a7d597948b9bd8 (diff)
parentd727d27db536faea7178290c677cc0567f647231 (diff)
Expose c0 and SW encap ICM for RDMA
These two series from Mark and Shun extend RDMA mlx5 API. Mark's series provides c0 register used to match egress traffic sent by local device. Shun's series adds new type for ICM area. Link: https://lore.kernel.org/all/cover.1701871118.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'net/unix')
-rw-r--r--net/unix/af_unix.c11
-rw-r--r--net/unix/diag.c1
-rw-r--r--net/unix/unix_bpf.c5
3 files changed, 11 insertions, 6 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 45506a95b25f..ac1f2bc18fc9 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -213,8 +213,6 @@ static inline bool unix_secdata_eq(struct scm_cookie *scm, struct sk_buff *skb)
}
#endif /* CONFIG_SECURITY_NETWORK */
-#define unix_peer(sk) (unix_sk(sk)->peer)
-
static inline int unix_our_peer(struct sock *sk, struct sock *osk)
{
return unix_peer(osk) == sk;
@@ -2581,15 +2579,16 @@ static int unix_stream_recv_urg(struct unix_stream_read_state *state)
if (!(state->flags & MSG_PEEK))
WRITE_ONCE(u->oob_skb, NULL);
-
+ else
+ skb_get(oob_skb);
unix_state_unlock(sk);
chunk = state->recv_actor(oob_skb, 0, chunk, state);
- if (!(state->flags & MSG_PEEK)) {
+ if (!(state->flags & MSG_PEEK))
UNIXCB(oob_skb).consumed += 1;
- kfree_skb(oob_skb);
- }
+
+ consume_skb(oob_skb);
mutex_unlock(&u->iolock);
diff --git a/net/unix/diag.c b/net/unix/diag.c
index 616b55c5b890..bec09a3a1d44 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -339,4 +339,5 @@ static void __exit unix_diag_exit(void)
module_init(unix_diag_init);
module_exit(unix_diag_exit);
MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("UNIX socket monitoring via SOCK_DIAG");
MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 1 /* AF_LOCAL */);
diff --git a/net/unix/unix_bpf.c b/net/unix/unix_bpf.c
index 2f9d8271c6ec..7ea7c3a0d0d0 100644
--- a/net/unix/unix_bpf.c
+++ b/net/unix/unix_bpf.c
@@ -159,12 +159,17 @@ int unix_dgram_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool re
int unix_stream_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore)
{
+ struct sock *sk_pair;
+
if (restore) {
sk->sk_write_space = psock->saved_write_space;
sock_replace_proto(sk, psock->sk_proto);
return 0;
}
+ sk_pair = unix_peer(sk);
+ sock_hold(sk_pair);
+ psock->sk_pair = sk_pair;
unix_stream_bpf_check_needs_rebuild(psock->sk_proto);
sock_replace_proto(sk, &unix_stream_bpf_prot);
return 0;