From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c | 143 ++++++++++++++++++++++++++++++++++-------------
1 files changed, 104 insertions(+), 39 deletions(-)
diff --git a/kernel/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/kernel/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
index e9d5a4f..b8e5ca6 100644
--- a/kernel/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
+++ b/kernel/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -5,6 +5,14 @@
#include "hclgevf_main.h"
#include "hnae3.h"
+#define CREATE_TRACE_POINTS
+#include "hclgevf_trace.h"
+
+static int hclgevf_resp_to_errno(u16 resp_code)
+{
+ return resp_code ? -resp_code : 0;
+}
+
static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev)
{
/* this function should be called with mbx_resp.mbx_mutex held
@@ -26,28 +34,31 @@
u8 *resp_data, u16 resp_len)
{
#define HCLGEVF_MAX_TRY_TIMES 500
-#define HCLGEVF_SLEEP_USCOEND 1000
+#define HCLGEVF_SLEEP_USECOND 1000
struct hclgevf_mbx_resp_status *mbx_resp;
u16 r_code0, r_code1;
int i = 0;
if (resp_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
dev_err(&hdev->pdev->dev,
- "VF mbx response len(=%d) exceeds maximum(=%d)\n",
+ "VF mbx response len(=%u) exceeds maximum(=%u)\n",
resp_len,
HCLGE_MBX_MAX_RESP_DATA_SIZE);
return -EINVAL;
}
while ((!hdev->mbx_resp.received_resp) && (i < HCLGEVF_MAX_TRY_TIMES)) {
- udelay(HCLGEVF_SLEEP_USCOEND);
+ if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state))
+ return -EIO;
+
+ usleep_range(HCLGEVF_SLEEP_USECOND, HCLGEVF_SLEEP_USECOND * 2);
i++;
}
if (i >= HCLGEVF_MAX_TRY_TIMES) {
dev_err(&hdev->pdev->dev,
- "VF could not get mbx resp(=%d) from PF in %d tries\n",
- hdev->mbx_resp.received_resp, i);
+ "VF could not get mbx(%u,%u) resp(=%d) from PF in %d tries\n",
+ code0, code1, hdev->mbx_resp.received_resp, i);
return -EIO;
}
@@ -65,16 +76,19 @@
if (!(r_code0 == code0 && r_code1 == code1 && !mbx_resp->resp_status)) {
dev_err(&hdev->pdev->dev,
- "VF could not match resp code(code0=%d,code1=%d), %d",
+ "VF could not match resp code(code0=%u,code1=%u), %d\n",
code0, code1, mbx_resp->resp_status);
+ dev_err(&hdev->pdev->dev,
+ "VF could not match resp r_code(r_code0=%u,r_code1=%u)\n",
+ r_code0, r_code1);
return -EIO;
}
return 0;
}
-int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, u16 code, u16 subcode,
- const u8 *msg_data, u8 msg_len, bool need_resp,
+int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
+ struct hclge_vf_to_pf_msg *send_msg, bool need_resp,
u8 *resp_data, u16 resp_len)
{
struct hclge_mbx_vf_to_pf_cmd *req;
@@ -83,18 +97,20 @@
req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data;
- /* first two bytes are reserved for code & subcode */
- if (msg_len > (HCLGE_MBX_MAX_MSG_SIZE - 2)) {
+ if (!send_msg) {
dev_err(&hdev->pdev->dev,
- "VF send mbx msg fail, msg len %d exceeds max len %d\n",
- msg_len, HCLGE_MBX_MAX_MSG_SIZE);
+ "failed to send mbx, msg is NULL\n");
return -EINVAL;
}
hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_VF_TO_PF, false);
- req->msg[0] = code;
- req->msg[1] = subcode;
- memcpy(&req->msg[2], msg_data, msg_len);
+ if (need_resp)
+ hnae3_set_bit(req->mbx_need_resp, HCLGE_MBX_NEED_RESP_B, 1);
+
+ memcpy(&req->msg, send_msg, sizeof(struct hclge_vf_to_pf_msg));
+
+ if (test_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state))
+ trace_hclge_vf_mbx_send(hdev, req);
/* synchronous send */
if (need_resp) {
@@ -109,7 +125,8 @@
return status;
}
- status = hclgevf_get_mbx_resp(hdev, code, subcode, resp_data,
+ status = hclgevf_get_mbx_resp(hdev, send_msg->code,
+ send_msg->subcode, resp_data,
resp_len);
mutex_unlock(&hdev->mbx_resp.mbx_mutex);
} else {
@@ -148,14 +165,19 @@
crq = &hdev->hw.cmq.crq;
while (!hclgevf_cmd_crq_empty(&hdev->hw)) {
+ if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state)) {
+ dev_info(&hdev->pdev->dev, "vf crq need init\n");
+ return;
+ }
+
desc = &crq->desc[crq->next_to_use];
req = (struct hclge_mbx_pf_to_vf_cmd *)desc->data;
flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
if (unlikely(!hnae3_get_bit(flag, HCLGEVF_CMDQ_RX_OUTVLD_B))) {
dev_warn(&hdev->pdev->dev,
- "dropped invalid mailbox message, code = %d\n",
- req->msg[0]);
+ "dropped invalid mailbox message, code = %u\n",
+ req->msg.code);
/* dropping/not processing this invalid message */
crq->desc[crq->next_to_use].flag = 0;
@@ -163,25 +185,29 @@
continue;
}
+ trace_hclge_vf_mbx_get(hdev, req);
+
/* synchronous messages are time critical and need preferential
* treatment. Therefore, we need to acknowledge all the sync
* responses as quickly as possible so that waiting tasks do not
* timeout and simultaneously queue the async messages for later
* prcessing in context of mailbox task i.e. the slow path.
*/
- switch (req->msg[0]) {
+ switch (req->msg.code) {
case HCLGE_MBX_PF_VF_RESP:
if (resp->received_resp)
dev_warn(&hdev->pdev->dev,
- "VF mbx resp flag not clear(%d)\n",
- req->msg[1]);
+ "VF mbx resp flag not clear(%u)\n",
+ req->msg.vf_mbx_msg_code);
resp->received_resp = true;
- resp->origin_mbx_msg = (req->msg[1] << 16);
- resp->origin_mbx_msg |= req->msg[2];
- resp->resp_status = req->msg[3];
+ resp->origin_mbx_msg =
+ (req->msg.vf_mbx_msg_code << 16);
+ resp->origin_mbx_msg |= req->msg.vf_mbx_msg_subcode;
+ resp->resp_status =
+ hclgevf_resp_to_errno(req->msg.resp_status);
- temp = (u8 *)&req->msg[4];
+ temp = (u8 *)req->msg.resp_data;
for (i = 0; i < HCLGE_MBX_MAX_RESP_DATA_SIZE; i++) {
resp->additional_info[i] = *temp;
temp++;
@@ -189,6 +215,9 @@
break;
case HCLGE_MBX_LINK_STAT_CHANGE:
case HCLGE_MBX_ASSERTING_RESET:
+ case HCLGE_MBX_LINK_STAT_MODE:
+ case HCLGE_MBX_PUSH_VLAN_INFO:
+ case HCLGE_MBX_PUSH_PROMISC_INFO:
/* set this mbx event as pending. This is required as we
* might loose interrupt event when mbx task is busy
* handling. This shall be cleared when mbx task just
@@ -199,27 +228,28 @@
/* we will drop the async msg if we find ARQ as full
* and continue with next message
*/
- if (hdev->arq.count >= HCLGE_MBX_MAX_ARQ_MSG_NUM) {
+ if (atomic_read(&hdev->arq.count) >=
+ HCLGE_MBX_MAX_ARQ_MSG_NUM) {
dev_warn(&hdev->pdev->dev,
- "Async Q full, dropping msg(%d)\n",
- req->msg[1]);
+ "Async Q full, dropping msg(%u)\n",
+ req->msg.code);
break;
}
/* tail the async message in arq */
msg_q = hdev->arq.msg_q[hdev->arq.tail];
- memcpy(&msg_q[0], req->msg,
+ memcpy(&msg_q[0], &req->msg,
HCLGE_MBX_MAX_ARQ_MSG_SIZE * sizeof(u16));
hclge_mbx_tail_ptr_move_arq(hdev->arq);
- hdev->arq.count++;
+ atomic_inc(&hdev->arq.count);
hclgevf_mbx_task_schedule(hdev);
break;
default:
dev_err(&hdev->pdev->dev,
- "VF received unsupported(%d) mbx msg from PF\n",
- req->msg[0]);
+ "VF received unsupported(%u) mbx msg from PF\n",
+ req->msg.code);
break;
}
crq->desc[crq->next_to_use].flag = 0;
@@ -231,13 +261,23 @@
crq->next_to_use);
}
+static void hclgevf_parse_promisc_info(struct hclgevf_dev *hdev,
+ u16 promisc_info)
+{
+ if (!promisc_info)
+ dev_info(&hdev->pdev->dev,
+ "Promisc mode is closed by host for being untrusted.\n");
+}
+
void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev)
{
- u16 link_status;
- u16 *msg_q;
+ enum hnae3_reset_type reset_type;
+ u16 link_status, state;
+ u16 *msg_q, *vlan_info;
u8 duplex;
u32 speed;
u32 tail;
+ u8 idx;
/* we can safely clear it now as we are at start of the async message
* processing
@@ -248,18 +288,33 @@
/* process all the async queue messages */
while (tail != hdev->arq.head) {
+ if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state)) {
+ dev_info(&hdev->pdev->dev,
+ "vf crq need init in async\n");
+ return;
+ }
+
msg_q = hdev->arq.msg_q[hdev->arq.head];
switch (msg_q[0]) {
case HCLGE_MBX_LINK_STAT_CHANGE:
- link_status = le16_to_cpu(msg_q[1]);
+ link_status = msg_q[1];
memcpy(&speed, &msg_q[2], sizeof(speed));
- duplex = (u8)le16_to_cpu(msg_q[4]);
+ duplex = (u8)msg_q[4];
/* update upper layer with new link link status */
hclgevf_update_link_status(hdev, link_status);
hclgevf_update_speed_duplex(hdev, speed, duplex);
+ break;
+ case HCLGE_MBX_LINK_STAT_MODE:
+ idx = (u8)msg_q[1];
+ if (idx)
+ memcpy(&hdev->hw.mac.supported, &msg_q[2],
+ sizeof(unsigned long));
+ else
+ memcpy(&hdev->hw.mac.advertising, &msg_q[2],
+ sizeof(unsigned long));
break;
case HCLGE_MBX_ASSERTING_RESET:
/* PF has asserted reset hence VF should go in pending
@@ -267,20 +322,30 @@
* has been completely reset. After this stack should
* eventually be re-initialized.
*/
- hdev->nic.reset_level = HNAE3_VF_RESET;
+ reset_type = (enum hnae3_reset_type)msg_q[1];
+ set_bit(reset_type, &hdev->reset_pending);
set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
hclgevf_reset_task_schedule(hdev);
break;
+ case HCLGE_MBX_PUSH_VLAN_INFO:
+ state = msg_q[1];
+ vlan_info = &msg_q[1];
+ hclgevf_update_port_base_vlan_info(hdev, state,
+ (u8 *)vlan_info, 8);
+ break;
+ case HCLGE_MBX_PUSH_PROMISC_INFO:
+ hclgevf_parse_promisc_info(hdev, msg_q[1]);
+ break;
default:
dev_err(&hdev->pdev->dev,
- "fetched unsupported(%d) message from arq\n",
+ "fetched unsupported(%u) message from arq\n",
msg_q[0]);
break;
}
hclge_mbx_head_ptr_move_arq(hdev->arq);
- hdev->arq.count--;
+ atomic_dec(&hdev->arq.count);
msg_q = hdev->arq.msg_q[hdev->arq.head];
}
}
--
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