Remove internet PCB mutex.

All incpb locking has been converted to socket receive buffer mutex.
Per PCB mutex inp_mtx is not needed anymore.  Also delete PRU related
locking functions.  A flag PR_MPSOCKET indicates whether protocol
functions support parallel access with per socket rw-lock.
TCP is the only protocol that is not MP capable from the socket
layer and needs exclusive netlock.

OK mvs@

1 files changed, 1 insertions, 30 deletions

diff --git a/sys/netinet/raw_ip.c b/sys/netinet/raw_ip.c
index 73fd2fd7dd7..4358462db21 100644
--- a/sys/netinet/raw_ip.c
+++ b/sys/netinet/raw_ip.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: raw_ip.c,v 1.159 2024/04/17 20:48:51 bluhm Exp $	*/
+/*	$OpenBSD: raw_ip.c,v 1.160 2024/07/12 19:50:35 bluhm Exp $	*/
 /*	$NetBSD: raw_ip.c,v 1.25 1996/02/18 18:58:33 christos Exp $	*/
 
 /*
@@ -106,9 +106,6 @@ struct inpcbtable rawcbtable;
 const struct pr_usrreqs rip_usrreqs = {
 	.pru_attach	= rip_attach,
 	.pru_detach	= rip_detach,
-	.pru_lock	= rip_lock,
-	.pru_unlock	= rip_unlock,
-	.pru_locked	= rip_locked,
 	.pru_bind	= rip_bind,
 	.pru_connect	= rip_connect,
 	.pru_disconnect	= rip_disconnect,
@@ -514,32 +511,6 @@ rip_detach(struct socket *so)
 	return (0);
 }
 
-void
-rip_lock(struct socket *so)
-{
-	struct inpcb *inp = sotoinpcb(so);
-
-	NET_ASSERT_LOCKED();
-	mtx_enter(&inp->inp_mtx);
-}
-
-void
-rip_unlock(struct socket *so)
-{
-	struct inpcb *inp = sotoinpcb(so);
-
-	NET_ASSERT_LOCKED();
-	mtx_leave(&inp->inp_mtx);
-}
-
-int
-rip_locked(struct socket *so)
-{
-	struct inpcb *inp = sotoinpcb(so);
-
-	return mtx_owned(&inp->inp_mtx);
-}
-
 int
 rip_bind(struct socket *so, struct mbuf *nam, struct proc *p)
 {