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mlx4: Add support for CONFIG_DEV command 

Introduce the CONFIG_DEV firmware command which we will use to
configure the UDP port assumed by the firmware for the VXLAN offloads.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2014-03-27 14:02:03 +02:00 committed by David S. Miller
parent b74757944d
commit d18f141a1a
4 changed files with 52 additions and 0 deletions
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9
drivers/net/ethernet/mellanox/mlx4/cmd.c
View File

@ -954,6 +954,15 @@ static struct mlx4_cmd_info cmd_info[] = {
.verify = NULL,
.wrapper = NULL
},
{
.opcode = MLX4_CMD_CONFIG_DEV,
.has_inbox = false,
.has_outbox = false,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
.wrapper = mlx4_CMD_EPERM_wrapper
},
{
.opcode = MLX4_CMD_ALLOC_RES,
.has_inbox = false,

40
drivers/net/ethernet/mellanox/mlx4/fw.c
View File

@ -1779,6 +1779,46 @@ int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
MLX4_CMD_NATIVE);
}
struct mlx4_config_dev {
__be32 update_flags;
__be32 rsdv1[3];
__be16 vxlan_udp_dport;
__be16 rsvd2;
};
#define MLX4_VXLAN_UDP_DPORT (1 << 0)
static int mlx4_CONFIG_DEV(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
{
int err;
struct mlx4_cmd_mailbox *mailbox;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
mlx4_free_cmd_mailbox(dev, mailbox);
return err;
}
int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
{
struct mlx4_config_dev config_dev;
memset(&config_dev, 0, sizeof(config_dev));
config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
config_dev.vxlan_udp_dport = udp_port;
return mlx4_CONFIG_DEV(dev, &config_dev);
}
EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
{
int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,

1
include/linux/mlx4/cmd.h
View File

@ -125,6 +125,7 @@ enum {
/* miscellaneous commands */
MLX4_CMD_DIAG_RPRT = 0x30,
MLX4_CMD_NOP = 0x31,
MLX4_CMD_CONFIG_DEV = 0x3a,
MLX4_CMD_ACCESS_MEM = 0x2e,
MLX4_CMD_SET_VEP = 0x52,

2
include/linux/mlx4/device.h
View File

@ -1232,4 +1232,6 @@ struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);
int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
#endif /* MLX4_DEVICE_H */