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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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Merge branch 'bridge-mdb-entry-offload-flag'
Jiri Pirko says: ==================== bridge: mdb: flag offloaded mdb entries This patchset extends uapi to let the user know if an mdb entry is offloaded. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
a1b486aeeb
@ -183,6 +183,8 @@ struct br_mdb_entry {
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#define MDB_TEMPORARY 0
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#define MDB_PERMANENT 1
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__u8 state;
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#define MDB_FLAGS_OFFLOAD (1 << 0)
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__u8 flags;
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__u16 vid;
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struct {
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union {
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@ -41,6 +41,14 @@ static int br_rports_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
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return -EMSGSIZE;
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}
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static void __mdb_entry_fill_flags(struct br_mdb_entry *e, unsigned char flags)
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{
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e->state = flags & MDB_PG_FLAGS_PERMANENT;
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e->flags = 0;
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if (flags & MDB_PG_FLAGS_OFFLOAD)
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e->flags |= MDB_FLAGS_OFFLOAD;
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}
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static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
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struct net_device *dev)
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{
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@ -85,8 +93,8 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
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struct br_mdb_entry e;
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memset(&e, 0, sizeof(e));
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e.ifindex = port->dev->ifindex;
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e.state = p->state;
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e.vid = p->addr.vid;
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__mdb_entry_fill_flags(&e, p->flags);
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if (p->addr.proto == htons(ETH_P_IP))
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e.addr.u.ip4 = p->addr.u.ip4;
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#if IS_ENABLED(CONFIG_IPV6)
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@ -209,7 +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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@ -232,10 +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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@ -253,21 +264,21 @@ static void __br_mdb_notify(struct net_device *dev, struct br_mdb_entry *entry,
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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 state)
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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.state = state;
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entry.vid = group->vid;
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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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@ -412,7 +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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@ -443,6 +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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@ -450,7 +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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@ -479,7 +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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@ -487,6 +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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@ -516,15 +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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@ -568,7 +583,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry)
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if (p->port->state == BR_STATE_DISABLED)
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goto unlock;
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entry->state = p->state;
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__mdb_entry_fill_flags(entry, p->flags);
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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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@ -620,12 +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->state);
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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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@ -304,7 +303,7 @@ static void br_multicast_port_group_expired(unsigned long data)
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spin_lock(&br->multicast_lock);
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if (!netif_running(br->dev) || timer_pending(&pg->timer) ||
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hlist_unhashed(&pg->mglist) || pg->state & MDB_PERMANENT)
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hlist_unhashed(&pg->mglist) || pg->flags & MDB_PG_FLAGS_PERMANENT)
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goto out;
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br_multicast_del_pg(br, pg);
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@ -649,7 +648,7 @@ struct net_bridge_port_group *br_multicast_new_port_group(
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struct net_bridge_port *port,
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struct br_ip *group,
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struct net_bridge_port_group __rcu *next,
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unsigned char state)
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unsigned char flags)
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{
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struct net_bridge_port_group *p;
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@ -659,7 +658,7 @@ struct net_bridge_port_group *br_multicast_new_port_group(
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p->addr = *group;
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p->port = port;
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p->state = state;
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p->flags = flags;
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rcu_assign_pointer(p->next, next);
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hlist_add_head(&p->mglist, &port->mglist);
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setup_timer(&p->timer, br_multicast_port_group_expired,
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@ -702,11 +701,11 @@ static int br_multicast_add_group(struct net_bridge *br,
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break;
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}
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p = br_multicast_new_port_group(port, group, *pp, MDB_TEMPORARY);
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p = br_multicast_new_port_group(port, group, *pp, 0);
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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, MDB_TEMPORARY);
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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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@ -975,7 +974,7 @@ void br_multicast_disable_port(struct net_bridge_port *port)
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spin_lock(&br->multicast_lock);
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hlist_for_each_entry_safe(pg, n, &port->mglist, mglist)
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if (pg->state == MDB_TEMPORARY)
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if (!(pg->flags & MDB_PG_FLAGS_PERMANENT))
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br_multicast_del_pg(br, pg);
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if (!hlist_unhashed(&port->rlist)) {
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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->state);
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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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@ -150,6 +150,9 @@ struct net_bridge_fdb_entry
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struct rcu_head rcu;
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};
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#define MDB_PG_FLAGS_PERMANENT BIT(0)
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#define MDB_PG_FLAGS_OFFLOAD BIT(1)
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struct net_bridge_port_group {
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struct net_bridge_port *port;
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struct net_bridge_port_group __rcu *next;
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@ -157,7 +160,7 @@ struct net_bridge_port_group {
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struct rcu_head rcu;
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struct timer_list timer;
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struct br_ip addr;
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unsigned char state;
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unsigned char flags;
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};
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struct net_bridge_mdb_entry
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@ -554,11 +557,11 @@ void br_multicast_free_pg(struct rcu_head *head);
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struct net_bridge_port_group *
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br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group,
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struct net_bridge_port_group __rcu *next,
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unsigned char state);
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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 state);
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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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