bridge: mdb: Passing the port-group pointer to br_mdb module
Passing the port-group to br_mdb in order to allow direct access to the structure. br_mdb will later use the structure to reflect HW reflection status via "state" variable. Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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9d06b6d8a3
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9e8430f8d6
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@ -217,7 +217,7 @@ static inline size_t rtnl_mdb_nlmsg_size(void)
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}
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static void __br_mdb_notify(struct net_device *dev, struct br_mdb_entry *entry,
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int type)
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int type, struct net_bridge_port_group *pg)
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{
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struct switchdev_obj_port_mdb mdb = {
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.obj = {
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@ -240,10 +240,13 @@ static void __br_mdb_notify(struct net_device *dev, struct br_mdb_entry *entry,
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#endif
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mdb.obj.orig_dev = port_dev;
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if (port_dev && type == RTM_NEWMDB)
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switchdev_port_obj_add(port_dev, &mdb.obj);
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else if (port_dev && type == RTM_DELMDB)
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if (port_dev && type == RTM_NEWMDB) {
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err = switchdev_port_obj_add(port_dev, &mdb.obj);
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if (!err && pg)
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pg->flags |= MDB_PG_FLAGS_OFFLOAD;
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} else if (port_dev && type == RTM_DELMDB) {
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switchdev_port_obj_del(port_dev, &mdb.obj);
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}
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skb = nlmsg_new(rtnl_mdb_nlmsg_size(), GFP_ATOMIC);
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if (!skb)
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@ -261,21 +264,21 @@ errout:
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rtnl_set_sk_err(net, RTNLGRP_MDB, err);
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}
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void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
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struct br_ip *group, int type, u8 flags)
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void br_mdb_notify(struct net_device *dev, struct net_bridge_port_group *pg,
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int type)
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{
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struct br_mdb_entry entry;
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memset(&entry, 0, sizeof(entry));
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entry.ifindex = port->dev->ifindex;
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entry.addr.proto = group->proto;
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entry.addr.u.ip4 = group->u.ip4;
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entry.ifindex = pg->port->dev->ifindex;
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entry.addr.proto = pg->addr.proto;
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entry.addr.u.ip4 = pg->addr.u.ip4;
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#if IS_ENABLED(CONFIG_IPV6)
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entry.addr.u.ip6 = group->u.ip6;
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entry.addr.u.ip6 = pg->addr.u.ip6;
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#endif
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entry.vid = group->vid;
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__mdb_entry_fill_flags(&entry, flags);
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__br_mdb_notify(dev, &entry, type);
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entry.vid = pg->addr.vid;
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__mdb_entry_fill_flags(&entry, pg->flags);
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__br_mdb_notify(dev, &entry, type, pg);
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}
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static int nlmsg_populate_rtr_fill(struct sk_buff *skb,
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@ -420,7 +423,8 @@ static int br_mdb_parse(struct sk_buff *skb, struct nlmsghdr *nlh,
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}
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static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
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struct br_ip *group, unsigned char state)
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struct br_ip *group, unsigned char state,
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struct net_bridge_port_group **pg)
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{
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struct net_bridge_mdb_entry *mp;
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struct net_bridge_port_group *p;
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@ -451,6 +455,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
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if (unlikely(!p))
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return -ENOMEM;
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rcu_assign_pointer(*pp, p);
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*pg = p;
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if (state == MDB_TEMPORARY)
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mod_timer(&p->timer, now + br->multicast_membership_interval);
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@ -458,7 +463,8 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
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}
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static int __br_mdb_add(struct net *net, struct net_bridge *br,
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struct br_mdb_entry *entry)
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struct br_mdb_entry *entry,
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struct net_bridge_port_group **pg)
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{
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struct br_ip ip;
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struct net_device *dev;
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@ -487,7 +493,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br,
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#endif
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spin_lock_bh(&br->multicast_lock);
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ret = br_mdb_add_group(br, p, &ip, entry->state);
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ret = br_mdb_add_group(br, p, &ip, entry->state, pg);
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spin_unlock_bh(&br->multicast_lock);
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return ret;
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}
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@ -495,6 +501,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br,
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static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh)
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{
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struct net *net = sock_net(skb->sk);
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struct net_bridge_port_group *pg;
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struct net_bridge_vlan_group *vg;
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struct net_device *dev, *pdev;
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struct br_mdb_entry *entry;
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@ -524,15 +531,15 @@ static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh)
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if (br_vlan_enabled(br) && vg && entry->vid == 0) {
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list_for_each_entry(v, &vg->vlan_list, vlist) {
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entry->vid = v->vid;
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err = __br_mdb_add(net, br, entry);
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err = __br_mdb_add(net, br, entry, &pg);
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if (err)
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break;
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__br_mdb_notify(dev, entry, RTM_NEWMDB);
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__br_mdb_notify(dev, entry, RTM_NEWMDB, pg);
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}
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} else {
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err = __br_mdb_add(net, br, entry);
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err = __br_mdb_add(net, br, entry, &pg);
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if (!err)
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__br_mdb_notify(dev, entry, RTM_NEWMDB);
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__br_mdb_notify(dev, entry, RTM_NEWMDB, pg);
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}
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return err;
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@ -628,12 +635,12 @@ static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh)
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entry->vid = v->vid;
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err = __br_mdb_del(br, entry);
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if (!err)
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__br_mdb_notify(dev, entry, RTM_DELMDB);
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__br_mdb_notify(dev, entry, RTM_DELMDB, NULL);
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}
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} else {
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err = __br_mdb_del(br, entry);
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if (!err)
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__br_mdb_notify(dev, entry, RTM_DELMDB);
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__br_mdb_notify(dev, entry, RTM_DELMDB, NULL);
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}
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return err;
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@ -283,8 +283,7 @@ static void br_multicast_del_pg(struct net_bridge *br,
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rcu_assign_pointer(*pp, p->next);
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hlist_del_init(&p->mglist);
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del_timer(&p->timer);
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br_mdb_notify(br->dev, p->port, &pg->addr, RTM_DELMDB,
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p->flags);
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br_mdb_notify(br->dev, p, RTM_DELMDB);
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call_rcu_bh(&p->rcu, br_multicast_free_pg);
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if (!mp->ports && !mp->mglist &&
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@ -706,7 +705,7 @@ static int br_multicast_add_group(struct net_bridge *br,
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if (unlikely(!p))
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goto err;
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rcu_assign_pointer(*pp, p);
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br_mdb_notify(br->dev, port, group, RTM_NEWMDB, 0);
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br_mdb_notify(br->dev, p, RTM_NEWMDB);
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found:
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mod_timer(&p->timer, now + br->multicast_membership_interval);
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@ -1453,8 +1452,7 @@ br_multicast_leave_group(struct net_bridge *br,
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hlist_del_init(&p->mglist);
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del_timer(&p->timer);
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call_rcu_bh(&p->rcu, br_multicast_free_pg);
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br_mdb_notify(br->dev, port, group, RTM_DELMDB,
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p->flags);
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br_mdb_notify(br->dev, p, RTM_DELMDB);
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if (!mp->ports && !mp->mglist &&
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netif_running(br->dev))
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@ -560,8 +560,8 @@ br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group,
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unsigned char flags);
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void br_mdb_init(void);
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void br_mdb_uninit(void);
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void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
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struct br_ip *group, int type, u8 flags);
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void br_mdb_notify(struct net_device *dev, struct net_bridge_port_group *pg,
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int type);
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void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port,
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int type);
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