Subsequent patches are going to add per-{Port, VLAN} neighbor
suppression, which will require br_flood() to potentially suppress ARP /
NS packets on a per-{Port, VLAN} basis.
As a preparation, pass the VLAN ID of the packet as another argument to
br_flood().
Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxx>
---
net/bridge/br_device.c | 8 ++++----
net/bridge/br_forward.c | 3 ++-
net/bridge/br_input.c | 2 +-
net/bridge/br_private.h | 3 ++-
4 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index df47c876230e..8eca8a5c80c6 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -80,10 +80,10 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
dest = eth_hdr(skb)->h_dest;
if (is_broadcast_ether_addr(dest)) {
- br_flood(br, skb, BR_PKT_BROADCAST, false, true);
+ br_flood(br, skb, BR_PKT_BROADCAST, false, true, vid);
} else if (is_multicast_ether_addr(dest)) {
if (unlikely(netpoll_tx_running(dev))) {
- br_flood(br, skb, BR_PKT_MULTICAST, false, true);
+ br_flood(br, skb, BR_PKT_MULTICAST, false, true, vid);
goto out;
}
if (br_multicast_rcv(&brmctx, &pmctx_null, vlan, skb, vid)) {
@@ -96,11 +96,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
br_multicast_querier_exists(brmctx, eth_hdr(skb), mdst))
br_multicast_flood(mdst, skb, brmctx, false, true);
else
- br_flood(br, skb, BR_PKT_MULTICAST, false, true);
+ br_flood(br, skb, BR_PKT_MULTICAST, false, true, vid);
} else if ((dst = br_fdb_find_rcu(br, dest, vid)) != NULL) {
br_forward(dst->dst, skb, false, true);
} else {
- br_flood(br, skb, BR_PKT_UNICAST, false, true);
+ br_flood(br, skb, BR_PKT_UNICAST, false, true, vid);
}
out:
rcu_read_unlock();
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 0fe133fa214c..94a8d757ae4e 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -197,7 +197,8 @@ static struct net_bridge_port *maybe_deliver(
/* called under rcu_read_lock */
void br_flood(struct net_bridge *br, struct sk_buff *skb,
- enum br_pkt_type pkt_type, bool local_rcv, bool local_orig)
+ enum br_pkt_type pkt_type, bool local_rcv, bool local_orig,
+ u16 vid)
{
struct net_bridge_port *prev = NULL;
struct net_bridge_port *p;
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 3027e8f6be15..fc17b9fd93e6 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -207,7 +207,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
br_forward(dst->dst, skb, local_rcv, false);
} else {
if (!mcast_hit)
- br_flood(br, skb, pkt_type, local_rcv, false);
+ br_flood(br, skb, pkt_type, local_rcv, false, vid);
else
br_multicast_flood(mdst, skb, brmctx, local_rcv, false);
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 7264fd40f82f..1ff4d64ab584 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -849,7 +849,8 @@ void br_forward(const struct net_bridge_port *to, struct sk_buff *skb,
bool local_rcv, bool local_orig);
int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb);
void br_flood(struct net_bridge *br, struct sk_buff *skb,
- enum br_pkt_type pkt_type, bool local_rcv, bool local_orig);
+ enum br_pkt_type pkt_type, bool local_rcv, bool local_orig,
+ u16 vid);
/* return true if both source port and dest port are isolated */
static inline bool br_skb_isolated(const struct net_bridge_port *to,
--
2.37.3
