Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Merge in late fixes in preparation for the net-next PR.

Conflicts:

include/net/sch_generic.h
  a6bd339dbb351 ("net_sched: fix skb memory leak in deferred qdisc drops")
  ff2998f29f390 ("net: sched: introduce qdisc-specific drop reason tracing")
https://lore.kernel.org/adz0iX85FHMz0HdO@sirena.org.uk

drivers/net/ethernet/airoha/airoha_eth.c
  1acdfbdb516b ("net: airoha: Fix VIP configuration for AN7583 SoC")
  bf3471e6e6c0 ("net: airoha: Make flow control source port mapping dependent on nbq parameter")

Adjacent changes:

drivers/net/ethernet/airoha/airoha_ppe.c
  f44218cd5e6a ("net: airoha: Reset PPE cpu port configuration in airoha_ppe_hw_init()")
  7da62262ec96 ("inet: add ip_local_port_step_width sysctl to improve port usage distribution")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

4 files changed, 32 insertions, 5 deletions

diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index b396c673dfaf..76f625986a7f 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -357,7 +357,8 @@ static int rds_cong_monitor(struct rds_sock *rs, sockptr_t optval, int optlen)
 	return ret;
 }
 
-static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen)
+static int rds_set_transport(struct net *net, struct rds_sock *rs,
+			     sockptr_t optval, int optlen)
 {
 	int t_type;
 
@@ -373,6 +374,10 @@ static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen)
 	if (t_type < 0 || t_type >= RDS_TRANS_COUNT)
 		return -EINVAL;
 
+	/* RDS/IB is restricted to the initial network namespace */
+	if (t_type != RDS_TRANS_TCP && !net_eq(net, &init_net))
+		return -EPROTOTYPE;
+
 	rs->rs_transport = rds_trans_get(t_type);
 
 	return rs->rs_transport ? 0 : -ENOPROTOOPT;
@@ -433,6 +438,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname,
 			  sockptr_t optval, unsigned int optlen)
 {
 	struct rds_sock *rs = rds_sk_to_rs(sock->sk);
+	struct net *net = sock_net(sock->sk);
 	int ret;
 
 	if (level != SOL_RDS) {
@@ -461,7 +467,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname,
 		break;
 	case SO_RDS_TRANSPORT:
 		lock_sock(sock->sk);
-		ret = rds_set_transport(rs, optval, optlen);
+		ret = rds_set_transport(net, rs, optval, optlen);
 		release_sock(sock->sk);
 		break;
 	case SO_TIMESTAMP_OLD:
diff --git a/net/rds/ib.c b/net/rds/ib.c
index ac6affa33ce7..39f87272e071 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -401,8 +401,8 @@ static void rds6_ib_ic_info(struct socket *sock, unsigned int len,
  * allowed to influence which paths have priority.  We could call userspace
  * asserting this policy "routing".
  */
-static int rds_ib_laddr_check(struct net *net, const struct in6_addr *addr,
-			      __u32 scope_id)
+static int rds_ib_laddr_check_cm(struct net *net, const struct in6_addr *addr,
+				 __u32 scope_id)
 {
 	int ret;
 	struct rdma_cm_id *cm_id;
@@ -487,6 +487,26 @@ out:
 	return ret;
 }
 
+static int rds_ib_laddr_check(struct net *net, const struct in6_addr *addr,
+			      __u32 scope_id)
+{
+	struct rds_ib_device *rds_ibdev = NULL;
+
+	/* RDS/IB is restricted to the initial network namespace */
+	if (!net_eq(net, &init_net))
+		return -EPROTOTYPE;
+
+	if (ipv6_addr_v4mapped(addr)) {
+		rds_ibdev = rds_ib_get_device(addr->s6_addr32[3]);
+		if (rds_ibdev) {
+			rds_ib_dev_put(rds_ibdev);
+			return 0;
+		}
+	}
+
+	return rds_ib_laddr_check_cm(net, addr, scope_id);
+}
+
 static void rds_ib_unregister_client(void)
 {
 	ib_unregister_client(&rds_ib_client);
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 8ef3178ed4d6..5ff346a1e8ba 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -381,6 +381,7 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn,
 	__rds_ib_conn_error(conn, KERN_WARNING "RDS/IB: " fmt)
 
 /* ib_rdma.c */
+struct rds_ib_device *rds_ib_get_device(__be32 ipaddr);
 int rds_ib_update_ipaddr(struct rds_ib_device *rds_ibdev,
 			 struct in6_addr *ipaddr);
 void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn);
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 2cfec252eeac..9594ea245f7f 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -43,7 +43,7 @@ struct workqueue_struct *rds_ib_mr_wq;
 
 static void rds_ib_odp_mr_worker(struct work_struct *work);
 
-static struct rds_ib_device *rds_ib_get_device(__be32 ipaddr)
+struct rds_ib_device *rds_ib_get_device(__be32 ipaddr)
 {
 	struct rds_ib_device *rds_ibdev;
 	struct rds_ib_ipaddr *i_ipaddr;