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authorElad Raz <eladr@mellanox.com>2016-01-10 23:06:23 +0300
committerDavid S. Miller <davem@davemloft.net>2016-01-11 00:50:21 +0300
commitf1fecb1d10ecc2f94d19e67827b9f678b36bfc61 (patch)
treee40bc78bffb83f064a5b1d5091cf264aee2ce210 /net/bridge/br_mdb.c
parent4d41e12593a9a6c4aaf113d44c8c619067b2b0aa (diff)
downloadlinux-f1fecb1d10ecc2f94d19e67827b9f678b36bfc61.tar.xz
bridge: Reflect MDB entries to hardware
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> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_mdb.c')
-rw-r--r--net/bridge/br_mdb.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index cd8deea2d074..30e105f57f0d 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;