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Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa.c2
-rw-r--r--net/dsa/slave.c84
-rw-r--r--net/dsa/switch.c4
-rw-r--r--net/dsa/switch.h3
4 files changed, 64 insertions, 29 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 1afed89e03c0..ccbdb98109f8 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -1106,7 +1106,7 @@ static struct dsa_port *dsa_port_touch(struct dsa_switch *ds, int index)
mutex_init(&dp->vlans_lock);
INIT_LIST_HEAD(&dp->fdbs);
INIT_LIST_HEAD(&dp->mdbs);
- INIT_LIST_HEAD(&dp->vlans);
+ INIT_LIST_HEAD(&dp->vlans); /* also initializes &dp->user_vlans */
INIT_LIST_HEAD(&dp->list);
list_add_tail(&dp->list, &dst->ports);
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 165bb2cb8431..527b1d576460 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -27,6 +27,7 @@
#include "master.h"
#include "netlink.h"
#include "slave.h"
+#include "switch.h"
#include "tag.h"
struct dsa_switchdev_event_work {
@@ -161,8 +162,7 @@ static int dsa_slave_schedule_standalone_work(struct net_device *dev,
return 0;
}
-static int dsa_slave_host_vlan_rx_filtering(struct net_device *vdev, int vid,
- void *arg)
+static int dsa_slave_host_vlan_rx_filtering(void *arg, int vid)
{
struct dsa_host_vlan_rx_filtering_ctx *ctx = arg;
@@ -170,6 +170,28 @@ static int dsa_slave_host_vlan_rx_filtering(struct net_device *vdev, int vid,
ctx->addr, vid);
}
+static int dsa_slave_vlan_for_each(struct net_device *dev,
+ int (*cb)(void *arg, int vid), void *arg)
+{
+ struct dsa_port *dp = dsa_slave_to_port(dev);
+ struct dsa_vlan *v;
+ int err;
+
+ lockdep_assert_held(&dev->addr_list_lock);
+
+ err = cb(arg, 0);
+ if (err)
+ return err;
+
+ list_for_each_entry(v, &dp->user_vlans, list) {
+ err = cb(arg, v->vid);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int dsa_slave_sync_uc(struct net_device *dev,
const unsigned char *addr)
{
@@ -180,18 +202,14 @@ static int dsa_slave_sync_uc(struct net_device *dev,
.addr = addr,
.event = DSA_UC_ADD,
};
- int err;
dev_uc_add(master, addr);
if (!dsa_switch_supports_uc_filtering(dp->ds))
return 0;
- err = dsa_slave_schedule_standalone_work(dev, DSA_UC_ADD, addr, 0);
- if (err)
- return err;
-
- return vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering, &ctx);
+ return dsa_slave_vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering,
+ &ctx);
}
static int dsa_slave_unsync_uc(struct net_device *dev,
@@ -204,18 +222,14 @@ static int dsa_slave_unsync_uc(struct net_device *dev,
.addr = addr,
.event = DSA_UC_DEL,
};
- int err;
dev_uc_del(master, addr);
if (!dsa_switch_supports_uc_filtering(dp->ds))
return 0;
- err = dsa_slave_schedule_standalone_work(dev, DSA_UC_DEL, addr, 0);
- if (err)
- return err;
-
- return vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering, &ctx);
+ return dsa_slave_vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering,
+ &ctx);
}
static int dsa_slave_sync_mc(struct net_device *dev,
@@ -228,18 +242,14 @@ static int dsa_slave_sync_mc(struct net_device *dev,
.addr = addr,
.event = DSA_MC_ADD,
};
- int err;
dev_mc_add(master, addr);
if (!dsa_switch_supports_mc_filtering(dp->ds))
return 0;
- err = dsa_slave_schedule_standalone_work(dev, DSA_MC_ADD, addr, 0);
- if (err)
- return err;
-
- return vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering, &ctx);
+ return dsa_slave_vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering,
+ &ctx);
}
static int dsa_slave_unsync_mc(struct net_device *dev,
@@ -252,18 +262,14 @@ static int dsa_slave_unsync_mc(struct net_device *dev,
.addr = addr,
.event = DSA_MC_DEL,
};
- int err;
dev_mc_del(master, addr);
if (!dsa_switch_supports_mc_filtering(dp->ds))
return 0;
- err = dsa_slave_schedule_standalone_work(dev, DSA_MC_DEL, addr, 0);
- if (err)
- return err;
-
- return vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering, &ctx);
+ return dsa_slave_vlan_for_each(dev, dsa_slave_host_vlan_rx_filtering,
+ &ctx);
}
void dsa_slave_sync_ha(struct net_device *dev)
@@ -1759,6 +1765,7 @@ static int dsa_slave_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
struct netlink_ext_ack extack = {0};
struct dsa_switch *ds = dp->ds;
struct netdev_hw_addr *ha;
+ struct dsa_vlan *v;
int ret;
/* User port... */
@@ -1782,8 +1789,17 @@ static int dsa_slave_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
!dsa_switch_supports_mc_filtering(ds))
return 0;
+ v = kzalloc(sizeof(*v), GFP_KERNEL);
+ if (!v) {
+ ret = -ENOMEM;
+ goto rollback;
+ }
+
netif_addr_lock_bh(dev);
+ v->vid = vid;
+ list_add_tail(&v->list, &dp->user_vlans);
+
if (dsa_switch_supports_mc_filtering(ds)) {
netdev_for_each_synced_mc_addr(ha, dev) {
dsa_slave_schedule_standalone_work(dev, DSA_MC_ADD,
@@ -1803,6 +1819,12 @@ static int dsa_slave_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
dsa_flush_workqueue();
return 0;
+
+rollback:
+ dsa_port_host_vlan_del(dp, &vlan);
+ dsa_port_vlan_del(dp, &vlan);
+
+ return ret;
}
static int dsa_slave_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
@@ -1816,6 +1838,7 @@ static int dsa_slave_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
};
struct dsa_switch *ds = dp->ds;
struct netdev_hw_addr *ha;
+ struct dsa_vlan *v;
int err;
err = dsa_port_vlan_del(dp, &vlan);
@@ -1832,6 +1855,15 @@ static int dsa_slave_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
netif_addr_lock_bh(dev);
+ v = dsa_vlan_find(&dp->user_vlans, &vlan);
+ if (!v) {
+ netif_addr_unlock_bh(dev);
+ return -ENOENT;
+ }
+
+ list_del(&v->list);
+ kfree(v);
+
if (dsa_switch_supports_mc_filtering(ds)) {
netdev_for_each_synced_mc_addr(ha, dev) {
dsa_slave_schedule_standalone_work(dev, DSA_MC_DEL,
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 8c9a9f94b756..1a42f9317334 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -673,8 +673,8 @@ static bool dsa_port_host_vlan_match(struct dsa_port *dp,
return false;
}
-static struct dsa_vlan *dsa_vlan_find(struct list_head *vlan_list,
- const struct switchdev_obj_port_vlan *vlan)
+struct dsa_vlan *dsa_vlan_find(struct list_head *vlan_list,
+ const struct switchdev_obj_port_vlan *vlan)
{
struct dsa_vlan *v;
diff --git a/net/dsa/switch.h b/net/dsa/switch.h
index 15e67b95eb6e..ea034677da15 100644
--- a/net/dsa/switch.h
+++ b/net/dsa/switch.h
@@ -111,6 +111,9 @@ struct dsa_notifier_master_state_info {
bool operational;
};
+struct dsa_vlan *dsa_vlan_find(struct list_head *vlan_list,
+ const struct switchdev_obj_port_vlan *vlan);
+
int dsa_tree_notify(struct dsa_switch_tree *dst, unsigned long e, void *v);
int dsa_broadcast(unsigned long e, void *v);
generated by cgit (git 2.34.1) at 2024-05-24 14:32:44 +0000