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Commit d18f141a authored by Or Gerlitz's avatar Or Gerlitz Committed by David S. Miller
Browse files

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: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b7475794

drivers/net/ethernet/mellanox/mlx4/cmd.c

+9 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/ethernet/mellanox/mlx4/fw.c

+40 −0
Original line number Diff line number Diff line
@@ -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,

include/linux/mlx4/cmd.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

include/linux/mlx4/device.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */