diff options
author | Jack Morgenstein <jackm@dev.mellanox.co.il> | 2013-11-03 12:03:17 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-11-05 01:19:06 +0400 |
commit | 162226a1dceaadc4fd61b03fb4ae8be8a1f5863e (patch) | |
tree | d9f008e25c63f3c966ff4f9eea8248966d254111 /drivers | |
parent | 3b4c5cbf42bda976ab70354e7786a0808265d9d5 (diff) | |
download | linux-162226a1dceaadc4fd61b03fb4ae8be8a1f5863e.tar.xz |
net/mlx4_core: Fix register/unreg vlan flow
The reg/unreg vlan code was broken:
1. a wrapped function called another wrapped function, causing a deadlock.
2. unregister_vlan called cmd_box instead of cmd_box_imm, leading to
incorrectly passed parameters.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 946e0af5faef..d3d3106f588f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -284,7 +284,7 @@ static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port, memcpy(mailbox->buf, entries, MLX4_VLAN_TABLE_SIZE); in_mod = MLX4_SET_PORT_VLAN_TABLE << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); @@ -370,6 +370,9 @@ int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index) u64 out_param = 0; int err; + if (vlan > 4095) + return -EINVAL; + if (mlx4_is_mfunc(dev)) { set_param_l(&out_param, port); err = mlx4_cmd_imm(dev, vlan, &out_param, RES_VLAN, @@ -412,18 +415,14 @@ out: void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index) { - u64 in_param = 0; - int err; + u64 out_param = 0; if (mlx4_is_mfunc(dev)) { - set_param_l(&in_param, port); - err = mlx4_cmd(dev, in_param, RES_VLAN, RES_OP_RESERVE_AND_MAP, - MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, - MLX4_CMD_WRAPPED); - if (!err) - mlx4_warn(dev, "Failed freeing vlan at index:%d\n", - index); - + set_param_l(&out_param, port); + (void) mlx4_cmd_imm(dev, index, &out_param, RES_VLAN, + RES_OP_RESERVE_AND_MAP, + MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, + MLX4_CMD_WRAPPED); return; } __mlx4_unregister_vlan(dev, port, index); |