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authorShinas Rasheed <srasheed@marvell.com>2023-11-28 20:53:47 -0800
committerJakub Kicinski <kuba@kernel.org>2023-11-30 23:17:04 -0800
commitb77e23f1b03e4e9a5940bb52d0480a5098a44c1d (patch)
tree3c22f50cac037dce5d98414f9022b143a50f9d64 /drivers/net/ethernet/marvell
parent000db9e9ad42e135c7d92a56a66116542ae2b6c3 (diff)
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: Shinas Rasheed <srasheed@marvell.com> Link: https://lore.kernel.org/r/20231129045348.2538843-2-srasheed@marvell.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/marvell')
-rw-r--r--drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c16
-rw-r--r--drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h11
2 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
index 5fa596c674da..4c39e2fabe0a 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
@@ -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;
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h
index a2463b460ad9..0de4de2ceb8f 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h
@@ -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
};
@@ -371,6 +372,16 @@ 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.
*
* @oct: non-null pointer to struct octep_device.