diff options
author | Ido Schimmel <idosch@nvidia.com> | 2023-04-19 17:34:53 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2023-04-21 09:25:49 +0200 |
commit | e408336a693e0fd74ba1b959627594b80f1761c3 (patch) | |
tree | f0a487c12e7383eaa3414ac34c85dd93e6d078db /net/bridge | |
parent | bridge: Reorder neighbor suppression check when flooding (diff) | |
download | linux-e408336a693e0fd74ba1b959627594b80f1761c3.tar.xz linux-e408336a693e0fd74ba1b959627594b80f1761c3.zip |
bridge: Pass VLAN ID to br_flood()
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@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r-- | net/bridge/br_device.c | 8 | ||||
-rw-r--r-- | net/bridge/br_forward.c | 3 | ||||
-rw-r--r-- | net/bridge/br_input.c | 2 | ||||
-rw-r--r-- | 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 @@ out: /* 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, |