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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c13
-rw-r--r--drivers/net/ethernet/rocker/rocker_main.c17
-rw-r--r--net/ipv4/fib_rules.c19
3 files changed, 43 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 80345a1..9ab41c4 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -45,6 +45,7 @@
#include <net/neighbour.h>
#include <net/arp.h>
#include <net/ip_fib.h>
+#include <net/fib_rules.h>
#include "spectrum.h"
#include "core.h"
@@ -2514,6 +2515,7 @@ struct mlxsw_sp_fib_event_work {
struct work_struct work;
union {
struct fib_entry_notifier_info fen_info;
+ struct fib_rule_notifier_info fr_info;
struct fib_nh_notifier_info fnh_info;
};
struct mlxsw_sp *mlxsw_sp;
@@ -2525,6 +2527,7 @@ static void mlxsw_sp_router_fib_event_work(struct work_struct *work)
struct mlxsw_sp_fib_event_work *fib_work =
container_of(work, struct mlxsw_sp_fib_event_work, work);
struct mlxsw_sp *mlxsw_sp = fib_work->mlxsw_sp;
+ struct fib_rule *rule;
bool replace, append;
int err;
@@ -2548,7 +2551,10 @@ static void mlxsw_sp_router_fib_event_work(struct work_struct *work)
break;
case FIB_EVENT_RULE_ADD: /* fall through */
case FIB_EVENT_RULE_DEL:
- mlxsw_sp_router_fib4_abort(mlxsw_sp);
+ rule = fib_work->fr_info.rule;
+ if (!fib4_rule_default(rule))
+ mlxsw_sp_router_fib4_abort(mlxsw_sp);
+ fib_rule_put(rule);
break;
case FIB_EVENT_NH_ADD: /* fall through */
case FIB_EVENT_NH_DEL:
@@ -2591,6 +2597,11 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb,
*/
fib_info_hold(fib_work->fen_info.fi);
break;
+ case FIB_EVENT_RULE_ADD: /* fall through */
+ case FIB_EVENT_RULE_DEL:
+ memcpy(&fib_work->fr_info, ptr, sizeof(fib_work->fr_info));
+ fib_rule_get(fib_work->fr_info.rule);
+ break;
case FIB_EVENT_NH_ADD: /* fall through */
case FIB_EVENT_NH_DEL:
memcpy(&fib_work->fnh_info, ptr, sizeof(fib_work->fnh_info));
diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index b712ec2..bab1361 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -33,6 +33,7 @@
#include <net/rtnetlink.h>
#include <net/netevent.h>
#include <net/arp.h>
+#include <net/fib_rules.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <generated/utsrelease.h>
@@ -2175,7 +2176,10 @@ static const struct switchdev_ops rocker_port_switchdev_ops = {
struct rocker_fib_event_work {
struct work_struct work;
- struct fib_entry_notifier_info fen_info;
+ union {
+ struct fib_entry_notifier_info fen_info;
+ struct fib_rule_notifier_info fr_info;
+ };
struct rocker *rocker;
unsigned long event;
};
@@ -2185,6 +2189,7 @@ static void rocker_router_fib_event_work(struct work_struct *work)
struct rocker_fib_event_work *fib_work =
container_of(work, struct rocker_fib_event_work, work);
struct rocker *rocker = fib_work->rocker;
+ struct fib_rule *rule;
int err;
/* Protect internal structures from changes */
@@ -2202,7 +2207,10 @@ static void rocker_router_fib_event_work(struct work_struct *work)
break;
case FIB_EVENT_RULE_ADD: /* fall through */
case FIB_EVENT_RULE_DEL:
- rocker_world_fib4_abort(rocker);
+ rule = fib_work->fr_info.rule;
+ if (!fib4_rule_default(rule))
+ rocker_world_fib4_abort(rocker);
+ fib_rule_put(rule);
break;
}
rtnl_unlock();
@@ -2233,6 +2241,11 @@ static int rocker_router_fib_event(struct notifier_block *nb,
*/
fib_info_hold(fib_work->fen_info.fi);
break;
+ case FIB_EVENT_RULE_ADD: /* fall through */
+ case FIB_EVENT_RULE_DEL:
+ memcpy(&fib_work->fr_info, ptr, sizeof(fib_work->fr_info));
+ fib_rule_get(fib_work->fr_info.rule);
+ break;
}
queue_work(rocker->rocker_owq, &fib_work->work);
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 310d24a..778ecf9 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -185,6 +185,17 @@ static struct fib_table *fib_empty_table(struct net *net)
return NULL;
}
+static int call_fib_rule_notifier(struct notifier_block *nb, struct net *net,
+ enum fib_event_type event_type,
+ struct fib_rule *rule)
+{
+ struct fib_rule_notifier_info info = {
+ .rule = rule,
+ };
+
+ return call_fib_notifier(nb, net, event_type, &info.info);
+}
+
static int call_fib_rule_notifiers(struct net *net,
enum fib_event_type event_type,
struct fib_rule *rule)
@@ -196,12 +207,14 @@ static int call_fib_rule_notifiers(struct net *net,
return call_fib_notifiers(net, event_type, &info.info);
}
+/* Called with rcu_read_lock() */
void fib_rules_notify(struct net *net, struct notifier_block *nb)
{
- struct fib_notifier_info info;
+ struct fib_rules_ops *ops = net->ipv4.rules_ops;
+ struct fib_rule *rule;
- if (net->ipv4.fib_has_custom_rules)
- call_fib_notifier(nb, net, FIB_EVENT_RULE_ADD, &info);
+ list_for_each_entry_rcu(rule, &ops->rules_list, list)
+ call_fib_rule_notifier(nb, net, FIB_EVENT_RULE_ADD, rule);
}
static const struct nla_policy fib4_rule_policy[FRA_MAX+1] = {
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