Commit b77e23f1 authored by Shinas Rasheed's avatar Shinas Rasheed Committed by Jakub Kicinski
Browse files

octeon_ep: implement device unload control net API 



Device unload control net function should inform firmware
of driver unload to let it take necessary actions to cleanup.

Signed-off-by: default avatarShinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231129045348.2538843-2-srasheed@marvell.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 000db9e9

drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c

+15 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ static atomic_t ctrl_net_msg_id; 


/* Control plane version in which OCTEP_CTRL_NET_H2F_CMD was added */

static const u32 octep_ctrl_net_h2f_cmd_versions[OCTEP_CTRL_NET_H2F_CMD_MAX] = {

	[OCTEP_CTRL_NET_H2F_CMD_INVALID ... OCTEP_CTRL_NET_H2F_CMD_GET_INFO] =

	[OCTEP_CTRL_NET_H2F_CMD_INVALID ... OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE] =

	 OCTEP_CP_VERSION(1, 0, 0)

};
@@ -393,10 +393,24 @@ int octep_ctrl_net_get_info(struct octep_device *oct, int vfid, 
	return 0;

}



int octep_ctrl_net_dev_remove(struct octep_device *oct, int vfid)

{

	struct octep_ctrl_net_wait_data d = {};

	struct octep_ctrl_net_h2f_req *req;



	req = &d.data.req;

	dev_dbg(&oct->pdev->dev, "Sending dev_unload msg to fw\n");

	init_send_req(&d.msg, req, sizeof(int), vfid);

	req->hdr.s.cmd = OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE;



	return octep_send_mbox_req(oct, &d, false);

}

int octep_ctrl_net_uninit(struct octep_device *oct)

{

	struct octep_ctrl_net_wait_data *pos, *n;



	octep_ctrl_net_dev_remove(oct, OCTEP_CTRL_NET_INVALID_VFID);



	list_for_each_entry_safe(pos, n, &oct->ctrl_req_wait_list, list)

		pos->done = 1;

drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h

+11 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ enum octep_ctrl_net_h2f_cmd { 
	OCTEP_CTRL_NET_H2F_CMD_RX_STATE,

	OCTEP_CTRL_NET_H2F_CMD_LINK_INFO,

	OCTEP_CTRL_NET_H2F_CMD_GET_INFO,

	OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE,

	OCTEP_CTRL_NET_H2F_CMD_MAX

};
@@ -370,6 +371,16 @@ void octep_ctrl_net_recv_fw_messages(struct octep_device *oct); 
int octep_ctrl_net_get_info(struct octep_device *oct, int vfid,

			    struct octep_fw_info *info);



/**

 * octep_ctrl_net_dev_remove() - Indicate to firmware that a device unload has happened.

 *

 * @oct: non-null pointer to struct octep_device.

 * @vfid: Index of virtual function.

 *

 * return value: 0 on success, -errno on failure.

 */

int octep_ctrl_net_dev_remove(struct octep_device *oct, int vfid);



/**

 * octep_ctrl_net_uninit() - Uninitialize data for ctrl net.

 *