mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-05 14:40:12 -04:00
Code Issues Packages Projects Releases Wiki Activity

mlxsw: spectrum_switchdev: Save mids list per bridge device

Browse Source 
Instead of saving all the mids in the same list, save them per vlan
device. This change allows a more efficient mid find.
Also, in the next patches, there will be added a lot of loops over all the
mids in bridge device for multicast disable, mrouter change and ndb flush.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nogah Frankel
2017-09-20 16:15:04 +02:00
committed by David S. Miller
parent 0161b9505a
commit b80888a919
1 changed files with 24 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
View File

@@ -67,7 +67,6 @@ struct mlxsw_sp_bridge {
u32 ageing_time;
bool vlan_enabled_exists;
struct list_head bridges_list;
struct list_head mids_list;
DECLARE_BITMAP(mids_bitmap, MLXSW_SP_MID_MAX);
const struct mlxsw_sp_bridge_ops *bridge_8021q_ops;
const struct mlxsw_sp_bridge_ops *bridge_8021d_ops;
@@ -77,6 +76,7 @@ struct mlxsw_sp_bridge_device {
struct net_device *dev;
struct list_head list;
struct list_head ports_list;
struct list_head mids_list;
u8 vlan_enabled:1,
multicast_enabled:1;
const struct mlxsw_sp_bridge_ops *ops;
@@ -161,6 +161,7 @@ mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge,
} else {
bridge_device->ops = bridge->bridge_8021d_ops;
}
INIT_LIST_HEAD(&bridge_device->mids_list);
list_add(&bridge_device->list, &bridge->bridges_list);
return bridge_device;
@@ -170,10 +171,17 @@ static void
mlxsw_sp_bridge_device_destroy(struct mlxsw_sp_bridge *bridge,
struct mlxsw_sp_bridge_device *bridge_device)
{
struct mlxsw_sp_mid *mid, *tmp;
list_del(&bridge_device->list);
if (bridge_device->vlan_enabled)
bridge->vlan_enabled_exists = false;
WARN_ON(!list_empty(&bridge_device->ports_list));
list_for_each_entry_safe(mid, tmp, &bridge_device->mids_list, list) {
list_del(&mid->list);
clear_bit(mid->mid, bridge->mids_bitmap);
kfree(mid);
}
kfree(bridge_device);
}
@@ -1221,22 +1229,25 @@ static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid,
return err;
}
static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp,
const unsigned char *addr,
u16 fid)
static struct
mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp_bridge_device *bridge_device,
const unsigned char *addr,
u16 fid)
{
struct mlxsw_sp_mid *mid;
list_for_each_entry(mid, &mlxsw_sp->bridge->mids_list, list) {
list_for_each_entry(mid, &bridge_device->mids_list, list) {
if (ether_addr_equal(mid->addr, addr) && mid->fid == fid)
return mid;
}
return NULL;
}
static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,
const unsigned char *addr,
u16 fid)
static struct
mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_bridge_device *bridge_device,
const unsigned char *addr,
u16 fid)
{
struct mlxsw_sp_mid *mid;
size_t alloc_size;
@@ -1263,7 +1274,7 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,
ether_addr_copy(mid->addr, addr);
mid->fid = fid;
mid->mid = mid_idx;
list_add_tail(&mid->list, &mlxsw_sp->bridge->mids_list);
list_add_tail(&mid->list, &bridge_device->mids_list);
return mid;
}
@@ -1316,9 +1327,10 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid_index);
mid = __mlxsw_sp_mc_get(bridge_device, mdb->addr, fid_index);
if (!mid) {
mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, fid_index);
mid = __mlxsw_sp_mc_alloc(mlxsw_sp, bridge_device, mdb->addr,
fid_index);
if (!mid) {
netdev_err(dev, "Unable to allocate MC group\n");
return -ENOMEM;
@@ -1440,7 +1452,7 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid_index);
mid = __mlxsw_sp_mc_get(bridge_device, mdb->addr, fid_index);
if (!mid) {
netdev_err(dev, "Unable to remove port from MC DB\n");
return -EINVAL;
@@ -1995,17 +2007,6 @@ static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
}
static void mlxsw_sp_mids_fini(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_mid *mid, *tmp;
list_for_each_entry_safe(mid, tmp, &mlxsw_sp->bridge->mids_list, list) {
list_del(&mid->list);
clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap);
kfree(mid);
}
}
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_bridge *bridge;
@@ -2017,7 +2018,6 @@ int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
bridge->mlxsw_sp = mlxsw_sp;
INIT_LIST_HEAD(&mlxsw_sp->bridge->bridges_list);
INIT_LIST_HEAD(&mlxsw_sp->bridge->mids_list);
bridge->bridge_8021q_ops = &mlxsw_sp_bridge_8021q_ops;
bridge->bridge_8021d_ops = &mlxsw_sp_bridge_8021d_ops;
@@ -2028,7 +2028,6 @@ int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_fdb_fini(mlxsw_sp);
mlxsw_sp_mids_fini(mlxsw_sp);
WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list));
kfree(mlxsw_sp->bridge);
}