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net: bridge: mcast: add sg_port rhashtable 

To speedup S,G forward handling we need to be able to quickly find out
if a port is a member of an S,G group. To do that add a global S,G port
rhashtable with key: source addr, group addr, protocol, vid (all br_ip
fields) and port pointer.

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2020-09-22 10:30:22 +03:00 committed by David S. Miller
parent 8f8cb77e0b
commit 085b53c8be
4 changed files with 111 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/bridge/br_forward.c
View File

@ -281,7 +281,7 @@ void br_multicast_flood(struct net_bridge_mdb_entry *mdst,
while (p || rp) {
struct net_bridge_port *port, *lport, *rport;
lport = p ? p->port : NULL;
lport = p ? p->key.port : NULL;
rport = hlist_entry_safe(rp, struct net_bridge_port, rlist);
if ((unsigned long)lport > (unsigned long)rport) {

34
net/bridge/br_mdb.c
View File

@ -101,7 +101,7 @@ static int __mdb_fill_srcs(struct sk_buff *skb,
return -EMSGSIZE;
hlist_for_each_entry_rcu(ent, &p->src_list, node,
lockdep_is_held(&p->port->br->multicast_lock)) {
lockdep_is_held(&p->key.port->br->multicast_lock)) {
nest_ent = nla_nest_start(skb, MDBA_MDB_SRCLIST_ENTRY);
if (!nest_ent)
goto out_cancel_err;
@ -156,7 +156,7 @@ static int __mdb_fill_info(struct sk_buff *skb,
memset(&e, 0, sizeof(e));
if (p) {
ifindex = p->port->dev->ifindex;
ifindex = p->key.port->dev->ifindex;
mtimer = &p->timer;
flags = p->flags;
} else {
@ -263,7 +263,7 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
for (pp = &mp->ports; (p = rcu_dereference(*pp)) != NULL;
pp = &p->next) {
if (!p->port)
if (!p->key.port)
continue;
if (pidx < s_pidx)
goto skip_pg;
@ -423,21 +423,21 @@ static size_t rtnl_mdb_nlmsg_size(struct net_bridge_port_group *pg)
/* MDBA_MDB_EATTR_RTPROT */
nlmsg_size += nla_total_size(sizeof(u8));
switch (pg->addr.proto) {
switch (pg->key.addr.proto) {
case htons(ETH_P_IP):
/* MDBA_MDB_EATTR_SOURCE */
if (pg->addr.src.ip4)
if (pg->key.addr.src.ip4)
nlmsg_size += nla_total_size(sizeof(__be32));
if (pg->port->br->multicast_igmp_version == 2)
if (pg->key.port->br->multicast_igmp_version == 2)
goto out;
addr_size = sizeof(__be32);
break;
#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
/* MDBA_MDB_EATTR_SOURCE */
if (!ipv6_addr_any(&pg->addr.src.ip6))
if (!ipv6_addr_any(&pg->key.addr.src.ip6))
nlmsg_size += nla_total_size(sizeof(struct in6_addr));
if (pg->port->br->multicast_mld_version == 1)
if (pg->key.port->br->multicast_mld_version == 1)
goto out;
addr_size = sizeof(struct in6_addr);
break;
@ -486,7 +486,7 @@ static void br_mdb_complete(struct net_device *dev, int err, void *priv)
goto out;
for (pp = &mp->ports; (p = mlock_dereference(*pp, br)) != NULL;
pp = &p->next) {
if (p->port != port)
if (p->key.port != port)
continue;
p->flags |= MDB_PG_FLAGS_OFFLOAD;
}
@ -561,21 +561,21 @@ void br_mdb_notify(struct net_device *dev,
else
ipv6_eth_mc_map(&mp->addr.dst.ip6, mdb.addr);
#endif
mdb.obj.orig_dev = pg->port->dev;
mdb.obj.orig_dev = pg->key.port->dev;
switch (type) {
case RTM_NEWMDB:
complete_info = kmalloc(sizeof(*complete_info), GFP_ATOMIC);
if (!complete_info)
break;
complete_info->port = pg->port;
complete_info->port = pg->key.port;
complete_info->ip = mp->addr;
mdb.obj.complete_priv = complete_info;
mdb.obj.complete = br_mdb_complete;
if (switchdev_port_obj_add(pg->port->dev, &mdb.obj, NULL))
if (switchdev_port_obj_add(pg->key.port->dev, &mdb.obj, NULL))
kfree(complete_info);
break;
case RTM_DELMDB:
switchdev_port_obj_del(pg->port->dev, &mdb.obj);
switchdev_port_obj_del(pg->key.port->dev, &mdb.obj);
break;
}
} else {
@ -869,11 +869,11 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
for (pp = &mp->ports;
(p = mlock_dereference(*pp, br)) != NULL;
pp = &p->next) {
if (p->port == port) {
if (p->key.port == port) {
NL_SET_ERR_MSG_MOD(extack, "Group is already joined by port");
return -EEXIST;
}
if ((unsigned long)p->port < (unsigned long)port)
if ((unsigned long)p->key.port < (unsigned long)port)
break;
}
@ -1013,10 +1013,10 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry,
for (pp = &mp->ports;
(p = mlock_dereference(*pp, br)) != NULL;
pp = &p->next) {
if (!p->port || p->port->dev->ifindex != entry->ifindex)
if (!p->key.port || p->key.port->dev->ifindex != entry->ifindex)
continue;
if (p->port->state == BR_STATE_DISABLED)
if (p->key.port->state == BR_STATE_DISABLED)
goto unlock;
br_multicast_del_pg(mp, p, pp);

130
net/bridge/br_multicast.c
View File

@ -41,6 +41,13 @@ static const struct rhashtable_params br_mdb_rht_params = {
.automatic_shrinking = true,
};
static const struct rhashtable_params br_sg_port_rht_params = {
.head_offset = offsetof(struct net_bridge_port_group, rhnode),
.key_offset = offsetof(struct net_bridge_port_group, key),
.key_len = sizeof(struct net_bridge_port_group_sg_key),
.automatic_shrinking = true,
};
static void br_multicast_start_querier(struct net_bridge *br,
struct bridge_mcast_own_query *query);
static void br_multicast_add_router(struct net_bridge *br,
@ -60,6 +67,16 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br,
__u16 vid, const unsigned char *src);
#endif
static struct net_bridge_port_group *
br_sg_port_find(struct net_bridge *br,
struct net_bridge_port_group_sg_key *sg_p)
{
lockdep_assert_held_once(&br->multicast_lock);
return rhashtable_lookup_fast(&br->sg_port_tbl, sg_p,
br_sg_port_rht_params);
}
static struct net_bridge_mdb_entry *br_mdb_ip_get_rcu(struct net_bridge *br,
struct br_ip *dst)
{
@ -212,7 +229,7 @@ static void br_multicast_destroy_group_src(struct net_bridge_mcast_gc *gc)
static void br_multicast_del_group_src(struct net_bridge_group_src *src)
{
struct net_bridge *br = src->pg->port->br;
struct net_bridge *br = src->pg->key.port->br;
hlist_del_init_rcu(&src->node);
src->pg->src_ents--;
@ -237,10 +254,12 @@ void br_multicast_del_pg(struct net_bridge_mdb_entry *mp,
struct net_bridge_port_group *pg,
struct net_bridge_port_group __rcu **pp)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
struct net_bridge_group_src *ent;
struct hlist_node *tmp;
rhashtable_remove_fast(&br->sg_port_tbl, &pg->rhnode,
br_sg_port_rht_params);
rcu_assign_pointer(*pp, pg->next);
hlist_del_init(&pg->mglist);
hlist_for_each_entry_safe(ent, tmp, &pg->src_list, node)
@ -260,7 +279,7 @@ static void br_multicast_find_del_pg(struct net_bridge *br,
struct net_bridge_mdb_entry *mp;
struct net_bridge_port_group *p;
mp = br_mdb_ip_get(br, &pg->addr);
mp = br_mdb_ip_get(br, &pg->key.addr);
if (WARN_ON(!mp))
return;
@ -281,7 +300,7 @@ static void br_multicast_port_group_expired(struct timer_list *t)
{
struct net_bridge_port_group *pg = from_timer(pg, t, timer);
struct net_bridge_group_src *src_ent;
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
struct hlist_node *tmp;
bool changed;
@ -302,7 +321,7 @@ static void br_multicast_port_group_expired(struct timer_list *t)
if (hlist_empty(&pg->src_list)) {
br_multicast_find_del_pg(br, pg);
} else if (changed) {
struct net_bridge_mdb_entry *mp = br_mdb_ip_get(br, &pg->addr);
struct net_bridge_mdb_entry *mp = br_mdb_ip_get(br, &pg->key.addr);
if (WARN_ON(!mp))
goto out;
@ -330,7 +349,7 @@ static struct sk_buff *br_ip4_multicast_alloc_query(struct net_bridge *br,
u8 sflag, u8 *igmp_type,
bool *need_rexmit)
{
struct net_bridge_port *p = pg ? pg->port : NULL;
struct net_bridge_port *p = pg ? pg->key.port : NULL;
struct net_bridge_group_src *ent;
size_t pkt_size, igmp_hdr_size;
unsigned long now = jiffies;
@ -476,7 +495,7 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
u8 sflag, u8 *igmp_type,
bool *need_rexmit)
{
struct net_bridge_port *p = pg ? pg->port : NULL;
struct net_bridge_port *p = pg ? pg->key.port : NULL;
struct net_bridge_group_src *ent;
size_t pkt_size, mld_hdr_size;
unsigned long now = jiffies;
@ -778,7 +797,7 @@ br_multicast_new_group_src(struct net_bridge_port_group *pg, struct br_ip *src_i
return NULL;
grp_src->pg = pg;
grp_src->br = pg->port->br;
grp_src->br = pg->key.port->br;
grp_src->addr = *src_ip;
grp_src->mcast_gc.destroy = br_multicast_destroy_group_src;
timer_setup(&grp_src->timer, br_multicast_group_src_expired, 0);
@ -804,13 +823,21 @@ struct net_bridge_port_group *br_multicast_new_port_group(
if (unlikely(!p))
return NULL;
p->addr = *group;
p->port = port;
p->key.addr = *group;
p->key.port = port;
p->flags = flags;
p->filter_mode = filter_mode;
p->rt_protocol = rt_protocol;
p->mcast_gc.destroy = br_multicast_destroy_port_group;
INIT_HLIST_HEAD(&p->src_list);
if (!br_multicast_is_star_g(group) &&
rhashtable_lookup_insert_fast(&port->br->sg_port_tbl, &p->rhnode,
br_sg_port_rht_params)) {
kfree(p);
return NULL;
}
rcu_assign_pointer(p->next, next);
timer_setup(&p->timer, br_multicast_port_group_expired, 0);
timer_setup(&p->rexmit_timer, br_multicast_port_group_rexmit, 0);
@ -828,7 +855,7 @@ static bool br_port_group_equal(struct net_bridge_port_group *p,
struct net_bridge_port *port,
const unsigned char *src)
{
if (p->port != port)
if (p->key.port != port)
return false;
if (!(port->flags & BR_MULTICAST_TO_UNICAST))
@ -890,7 +917,7 @@ static int br_multicast_add_group(struct net_bridge *br,
pp = &p->next) {
if (br_port_group_equal(p, port, src))
goto found;
if ((unsigned long)p->port < (unsigned long)port)
if ((unsigned long)p->key.port < (unsigned long)port)
break;
}
@ -1166,7 +1193,7 @@ static void br_multicast_port_group_rexmit(struct timer_list *t)
{
struct net_bridge_port_group *pg = from_timer(pg, t, rexmit_timer);
struct bridge_mcast_other_query *other_query = NULL;
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
bool need_rexmit = false;
spin_lock(&br->multicast_lock);
@ -1175,7 +1202,7 @@ static void br_multicast_port_group_rexmit(struct timer_list *t)
!br_opt_get(br, BROPT_MULTICAST_QUERIER))
goto out;
if (pg->addr.proto == htons(ETH_P_IP))
if (pg->key.addr.proto == htons(ETH_P_IP))
other_query = &br->ip4_other_query;
#if IS_ENABLED(CONFIG_IPV6)
else
@ -1187,11 +1214,11 @@ static void br_multicast_port_group_rexmit(struct timer_list *t)
if (pg->grp_query_rexmit_cnt) {
pg->grp_query_rexmit_cnt--;
__br_multicast_send_query(br, pg->port, pg, &pg->addr,
&pg->addr, false, 1, NULL);
__br_multicast_send_query(br, pg->key.port, pg, &pg->key.addr,
&pg->key.addr, false, 1, NULL);
}
__br_multicast_send_query(br, pg->port, pg, &pg->addr,
&pg->addr, true, 0, &need_rexmit);
__br_multicast_send_query(br, pg->key.port, pg, &pg->key.addr,
&pg->key.addr, true, 0, &need_rexmit);
if (pg->grp_query_rexmit_cnt || need_rexmit)
mod_timer(&pg->rexmit_timer, jiffies +
@ -1325,7 +1352,7 @@ static int __grp_src_delete_marked(struct net_bridge_port_group *pg)
static void __grp_src_query_marked_and_rexmit(struct net_bridge_port_group *pg)
{
struct bridge_mcast_other_query *other_query = NULL;
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
u32 lmqc = br->multicast_last_member_count;
unsigned long lmqt, lmi, now = jiffies;
struct net_bridge_group_src *ent;
@ -1334,7 +1361,7 @@ static void __grp_src_query_marked_and_rexmit(struct net_bridge_port_group *pg)
!br_opt_get(br, BROPT_MULTICAST_ENABLED))
return;
if (pg->addr.proto == htons(ETH_P_IP))
if (pg->key.addr.proto == htons(ETH_P_IP))
other_query = &br->ip4_other_query;
#if IS_ENABLED(CONFIG_IPV6)
else
@ -1359,8 +1386,8 @@ static void __grp_src_query_marked_and_rexmit(struct net_bridge_port_group *pg)
!other_query || timer_pending(&other_query->timer))
return;
__br_multicast_send_query(br, pg->port, pg, &pg->addr,
&pg->addr, true, 1, NULL);
__br_multicast_send_query(br, pg->key.port, pg, &pg->key.addr,
&pg->key.addr, true, 1, NULL);
lmi = now + br->multicast_last_member_interval;
if (!timer_pending(&pg->rexmit_timer) ||
@ -1371,14 +1398,14 @@ static void __grp_src_query_marked_and_rexmit(struct net_bridge_port_group *pg)
static void __grp_send_query_and_rexmit(struct net_bridge_port_group *pg)
{
struct bridge_mcast_other_query *other_query = NULL;
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
unsigned long now = jiffies, lmi;
if (!netif_running(br->dev) ||
!br_opt_get(br, BROPT_MULTICAST_ENABLED))
return;
if (pg->addr.proto == htons(ETH_P_IP))
if (pg->key.addr.proto == htons(ETH_P_IP))
other_query = &br->ip4_other_query;
#if IS_ENABLED(CONFIG_IPV6)
else
@ -1389,8 +1416,8 @@ static void __grp_send_query_and_rexmit(struct net_bridge_port_group *pg)
other_query && !timer_pending(&other_query->timer)) {
lmi = now + br->multicast_last_member_interval;
pg->grp_query_rexmit_cnt = br->multicast_last_member_count - 1;
__br_multicast_send_query(br, pg->port, pg, &pg->addr,
&pg->addr, false, 0, NULL);
__br_multicast_send_query(br, pg->key.port, pg, &pg->key.addr,
&pg->key.addr, false, 0, NULL);
if (!timer_pending(&pg->rexmit_timer) ||
time_after(pg->rexmit_timer.expires, lmi))
mod_timer(&pg->rexmit_timer, lmi);
@ -1410,7 +1437,7 @@ static void __grp_send_query_and_rexmit(struct net_bridge_port_group *pg)
static bool br_multicast_isinc_allow(struct net_bridge_port_group *pg,
void *srcs, u32 nsrcs, size_t src_size)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
struct net_bridge_group_src *ent;
unsigned long now = jiffies;
bool changed = false;
@ -1418,7 +1445,7 @@ static bool br_multicast_isinc_allow(struct net_bridge_port_group *pg,
u32 src_idx;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1452,7 +1479,7 @@ static void __grp_src_isexc_incl(struct net_bridge_port_group *pg,
ent->flags |= BR_SGRP_F_DELETE;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1475,7 +1502,7 @@ static void __grp_src_isexc_incl(struct net_bridge_port_group *pg,
static bool __grp_src_isexc_excl(struct net_bridge_port_group *pg,
void *srcs, u32 nsrcs, size_t src_size)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
struct net_bridge_group_src *ent;
unsigned long now = jiffies;
bool changed = false;
@ -1486,7 +1513,7 @@ static bool __grp_src_isexc_excl(struct net_bridge_port_group *pg,
ent->flags |= BR_SGRP_F_DELETE;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1512,7 +1539,7 @@ static bool __grp_src_isexc_excl(struct net_bridge_port_group *pg,
static bool br_multicast_isexc(struct net_bridge_port_group *pg,
void *srcs, u32 nsrcs, size_t src_size)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
bool changed = false;
switch (pg->filter_mode) {
@ -1538,7 +1565,7 @@ static bool br_multicast_isexc(struct net_bridge_port_group *pg,
static bool __grp_src_toin_incl(struct net_bridge_port_group *pg,
void *srcs, u32 nsrcs, size_t src_size)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
u32 src_idx, to_send = pg->src_ents;
struct net_bridge_group_src *ent;
unsigned long now = jiffies;
@ -1549,7 +1576,7 @@ static bool __grp_src_toin_incl(struct net_bridge_port_group *pg,
ent->flags |= BR_SGRP_F_SEND;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1580,7 +1607,7 @@ static bool __grp_src_toin_incl(struct net_bridge_port_group *pg,
static bool __grp_src_toin_excl(struct net_bridge_port_group *pg,
void *srcs, u32 nsrcs, size_t src_size)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
u32 src_idx, to_send = pg->src_ents;
struct net_bridge_group_src *ent;
unsigned long now = jiffies;
@ -1592,7 +1619,7 @@ static bool __grp_src_toin_excl(struct net_bridge_port_group *pg,
ent->flags |= BR_SGRP_F_SEND;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1653,7 +1680,7 @@ static void __grp_src_toex_incl(struct net_bridge_port_group *pg,
ent->flags = (ent->flags & ~BR_SGRP_F_SEND) | BR_SGRP_F_DELETE;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1691,7 +1718,7 @@ static bool __grp_src_toex_excl(struct net_bridge_port_group *pg,
ent->flags = (ent->flags & ~BR_SGRP_F_SEND) | BR_SGRP_F_DELETE;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1722,7 +1749,7 @@ static bool __grp_src_toex_excl(struct net_bridge_port_group *pg,
static bool br_multicast_toex(struct net_bridge_port_group *pg,
void *srcs, u32 nsrcs, size_t src_size)
{
struct net_bridge *br = pg->port->br;
struct net_bridge *br = pg->key.port->br;
bool changed = false;
switch (pg->filter_mode) {
@ -1755,7 +1782,7 @@ static void __grp_src_block_incl(struct net_bridge_port_group *pg,
ent->flags &= ~BR_SGRP_F_SEND;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -1770,7 +1797,7 @@ static void __grp_src_block_incl(struct net_bridge_port_group *pg,
__grp_src_query_marked_and_rexmit(pg);
if (pg->filter_mode == MCAST_INCLUDE && hlist_empty(&pg->src_list))
br_multicast_find_del_pg(pg->port->br, pg);
br_multicast_find_del_pg(pg->key.port->br, pg);
}
/* State Msg type New state Actions
@ -1789,7 +1816,7 @@ static bool __grp_src_block_excl(struct net_bridge_port_group *pg,
ent->flags &= ~BR_SGRP_F_SEND;
memset(&src_ip, 0, sizeof(src_ip));
src_ip.proto = pg->addr.proto;
src_ip.proto = pg->key.addr.proto;
for (src_idx = 0; src_idx < nsrcs; src_idx++) {
memcpy(&src_ip.src, srcs, src_size);
ent = br_multicast_find_group_src(pg, &src_ip);
@ -2496,7 +2523,7 @@ br_multicast_leave_group(struct net_bridge *br,
for (p = mlock_dereference(mp->ports, br);
p != NULL;
p = mlock_dereference(p->next, br)) {
if (p->port != port)
if (p->key.port != port)
continue;
if (!hlist_unhashed(&p->mglist) &&
@ -3256,7 +3283,7 @@ int br_multicast_list_adjacent(struct net_device *dev,
if (!entry)
goto unlock;
entry->addr = group->addr;
entry->addr = group->key.addr;
list_add(&entry->list, br_ip_list);
count++;
}
@ -3513,10 +3540,23 @@ void br_multicast_get_stats(const struct net_bridge *br,
int br_mdb_hash_init(struct net_bridge *br)
{
return rhashtable_init(&br->mdb_hash_tbl, &br_mdb_rht_params);
int err;
err = rhashtable_init(&br->sg_port_tbl, &br_sg_port_rht_params);
if (err)
return err;
err = rhashtable_init(&br->mdb_hash_tbl, &br_mdb_rht_params);
if (err) {
rhashtable_destroy(&br->sg_port_tbl);
return err;
}
return 0;
}
void br_mdb_hash_fini(struct net_bridge *br)
{
rhashtable_destroy(&br->sg_port_tbl);
rhashtable_destroy(&br->mdb_hash_tbl);
}

10
net/bridge/br_private.h
View File

@ -238,10 +238,14 @@ struct net_bridge_group_src {
struct rcu_head rcu;
};
struct net_bridge_port_group {
struct net_bridge_port_group_sg_key {
struct net_bridge_port *port;
struct net_bridge_port_group __rcu *next;
struct br_ip addr;
};
struct net_bridge_port_group {
struct net_bridge_port_group __rcu *next;
struct net_bridge_port_group_sg_key key;
unsigned char eth_addr[ETH_ALEN] __aligned(2);
unsigned char flags;
unsigned char filter_mode;
@ -254,6 +258,7 @@ struct net_bridge_port_group {
struct timer_list rexmit_timer;
struct hlist_node mglist;
struct rhash_head rhnode;
struct net_bridge_mcast_gc mcast_gc;
struct rcu_head rcu;
};
@ -441,6 +446,7 @@ struct net_bridge {
unsigned long multicast_startup_query_interval;
struct rhashtable mdb_hash_tbl;
struct rhashtable sg_port_tbl;
struct hlist_head mcast_gc_list;
struct hlist_head mdb_list;