diff mbox series

[net-next,08/15] net: bridge: multicast: use the port group to port context helper

Message ID 20210719170637.435541-9-razor@blackwall.org (mailing list archive)
State Accepted
Commit eb1593a0b4c49443acbe2ebaa7a9947fa5471c01
Delegated to: Netdev Maintainers
Headers show
Series net: bridge: multicast: add vlan support | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 2 maintainers not CCed: davem@davemloft.net kuba@kernel.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 1 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 51 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 0
netdev/header_inline success Link

Commit Message

Nikolay Aleksandrov July 19, 2021, 5:06 p.m. UTC 
From: Nikolay Aleksandrov <nikolay@nvidia.com>

We need to use the new port group to port context helper in places where
we cannot pass down the proper context (i.e. functions that can be
called by timers or outside the packet snooping paths).

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
---
 net/bridge/br_multicast.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 353406f2971a..e61e23c0ce17 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -309,7 +309,9 @@  void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg,
 	mp = br_mdb_ip_get(br, &pg->key.addr);
 	if (!mp)
 		return;
-	pmctx = &pg->key.port->multicast_ctx;
+	pmctx = br_multicast_pg_to_port_ctx(pg);
+	if (!pmctx)
+		return;
 
 	memset(&sg_ip, 0, sizeof(sg_ip));
 	sg_ip = pg->key.addr;
@@ -435,7 +437,6 @@  void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp,
 	br_multicast_sg_host_state(star_mp, sg);
 	memset(&sg_key, 0, sizeof(sg_key));
 	sg_key.addr = sg->key.addr;
-	brmctx = &br->multicast_ctx;
 	/* we need to add all exclude ports to the S,G */
 	for (pg = mlock_dereference(star_mp->ports, br);
 	     pg;
@@ -449,7 +450,11 @@  void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp,
 		if (br_sg_port_find(br, &sg_key))
 			continue;
 
-		pmctx = &pg->key.port->multicast_ctx;
+		pmctx = br_multicast_pg_to_port_ctx(pg);
+		if (!pmctx)
+			continue;
+		brmctx = br_multicast_port_ctx_get_global(pmctx);
+
 		src_pg = __br_multicast_add_group(brmctx, pmctx,
 						  &sg->key.addr,
 						  sg->eth_addr,
@@ -473,7 +478,9 @@  static void br_multicast_fwd_src_add(struct net_bridge_group_src *src)
 		return;
 
 	memset(&sg_ip, 0, sizeof(sg_ip));
-	pmctx = &src->pg->key.port->multicast_ctx;
+	pmctx = br_multicast_pg_to_port_ctx(src->pg);
+	if (!pmctx)
+		return;
 	brmctx = br_multicast_port_ctx_get_global(pmctx);
 	sg_ip = src->pg->key.addr;
 	sg_ip.src = src->addr.src;
@@ -1696,8 +1703,10 @@  static void br_multicast_port_group_rexmit(struct timer_list *t)
 	    !br_opt_get(br, BROPT_MULTICAST_QUERIER))
 		goto out;
 
-	brmctx = &br->multicast_ctx;
-	pmctx = &pg->key.port->multicast_ctx;
+	pmctx = br_multicast_pg_to_port_ctx(pg);
+	if (!pmctx)
+		goto out;
+	brmctx = br_multicast_port_ctx_get_global(pmctx);
 	if (pg->key.addr.proto == htons(ETH_P_IP))
 		other_query = &brmctx->ip4_other_query;
 #if IS_ENABLED(CONFIG_IPV6)