diff options
| author | Nogah Frankel <nogahf@mellanox.com> | 2017-09-20 16:15:02 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-20 18:03:12 -0700 |
| commit | 4cdc35e4ebf2e6b1cf4fe028eb9e711723f9199a (patch) | |
| tree | 8bed300227f95de0a2c897c5529fa9212e25225d /drivers | |
| parent | dff37b58ca53b1978e02edf6f8c1dd681799342b (diff) | |
| download | linux-4cdc35e4ebf2e6b1cf4fe028eb9e711723f9199a.tar.bz2 | |
mlxsw: spectrum_switchdev: Add a ports bitmap to the mid db
Add a bitmap of ports to the mid struct to hold the ports that are
registered to this mid.
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 20 |
2 files changed, 18 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 7180d8f3de75..0424bee88407 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -95,6 +95,7 @@ struct mlxsw_sp_mid { u16 fid; u16 mid; unsigned int ref_count; + unsigned long *ports_in_mid; /* bits array */ }; enum mlxsw_sp_span_type { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 22f8d7428d96..0fde16a22b72 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1239,6 +1239,7 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, u16 fid) { struct mlxsw_sp_mid *mid; + size_t alloc_size; u16 mid_idx; mid_idx = find_first_zero_bit(mlxsw_sp->bridge->mids_bitmap, @@ -1250,6 +1251,14 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, if (!mid) return NULL; + alloc_size = sizeof(unsigned long) * + BITS_TO_LONGS(mlxsw_core_max_ports(mlxsw_sp->core)); + mid->ports_in_mid = kzalloc(alloc_size, GFP_KERNEL); + if (!mid->ports_in_mid) { + kfree(mid); + return NULL; + } + set_bit(mid_idx, mlxsw_sp->bridge->mids_bitmap); ether_addr_copy(mid->addr, addr); mid->fid = fid; @@ -1260,12 +1269,16 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, return mid; } -static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp, +static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_mid *mid) { + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + + clear_bit(mlxsw_sp_port->local_port, mid->ports_in_mid); if (--mid->ref_count == 0) { list_del(&mid->list); clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap); + kfree(mid->ports_in_mid); kfree(mid); return 1; } @@ -1311,6 +1324,7 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, } } mid->ref_count++; + set_bit(mlxsw_sp_port->local_port, mid->ports_in_mid); err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true, mid->ref_count == 1); @@ -1331,7 +1345,7 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, return 0; err_out: - __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid); + __mlxsw_sp_mc_dec_ref(mlxsw_sp_port, mid); return err; } @@ -1437,7 +1451,7 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, netdev_err(dev, "Unable to remove port from SMID\n"); mid_idx = mid->mid; - if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) { + if (__mlxsw_sp_mc_dec_ref(mlxsw_sp_port, mid)) { err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid_index, mid_idx, false); if (err) |