diff mbox

[net-next,v2,2/8] bridge: Reflect MDB entries to hardware

Message ID 1452456389-2833-3-git-send-email-jiri@resnulli.us
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Jiri Pirko Jan. 10, 2016, 8:06 p.m. UTC 
From: Elad Raz <eladr@mellanox.com>

Offload MDB changes per port to hardware

Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
 net/bridge/br_mdb.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Nikolay Aleksandrov Jan. 10, 2016, 8:12 p.m. UTC | #1 
On 01/10/2016 09:06 PM, Jiri Pirko wrote:
> From: Elad Raz <eladr@mellanox.com>
> 
> Offload MDB changes per port to hardware
> 
> Signed-off-by: Elad Raz <eladr@mellanox.com>
> Signed-off-by: Ido Schimmel <idosch@mellanox.com>
> Signed-off-by: Jiri Pirko <jiri@mellanox.com>
> ---
>  net/bridge/br_mdb.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 

Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
diff mbox

Patch

diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index cd8deea..30e105f 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -7,6 +7,7 @@ 
 #include <linux/if_ether.h>
 #include <net/ip.h>
 #include <net/netlink.h>
+#include <net/switchdev.h>
 #if IS_ENABLED(CONFIG_IPV6)
 #include <net/ipv6.h>
 #include <net/addrconf.h>
@@ -210,10 +211,32 @@  static inline size_t rtnl_mdb_nlmsg_size(void)
 static void __br_mdb_notify(struct net_device *dev, struct br_mdb_entry *entry,
 			    int type)
 {
+	struct switchdev_obj_port_mdb mdb = {
+		.obj = {
+			.id = SWITCHDEV_OBJ_ID_PORT_MDB,
+			.flags = SWITCHDEV_F_DEFER,
+		},
+		.vid = entry->vid,
+	};
+	struct net_device *port_dev;
 	struct net *net = dev_net(dev);
 	struct sk_buff *skb;
 	int err = -ENOBUFS;
 
+	port_dev = __dev_get_by_index(net, entry->ifindex);
+	if (entry->addr.proto == htons(ETH_P_IP))
+		ip_eth_mc_map(entry->addr.u.ip4, mdb.addr);
+#if IS_ENABLED(CONFIG_IPV6)
+	else
+		ipv6_eth_mc_map(&entry->addr.u.ip6, mdb.addr);
+#endif
+
+	mdb.obj.orig_dev = port_dev;
+	if (port_dev && type == RTM_NEWMDB)
+		switchdev_port_obj_add(port_dev, &mdb.obj);
+	else if (port_dev && type == RTM_DELMDB)
+		switchdev_port_obj_del(port_dev, &mdb.obj);
+
 	skb = nlmsg_new(rtnl_mdb_nlmsg_size(), GFP_ATOMIC);
 	if (!skb)
 		goto errout;