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wcn36xx: Improve feature caps exchange

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* Response format is not in the canonical format.
  wcn36xx_smd_rsp_status_check cannot be used.

* Save the FW caps in wcn36xx struct for later use.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Pontus Fuchs 2014-02-12 19:04:41 +00:00 committed by John W. Linville
parent 08762322c3
commit c951da4615
3 changed files with 13 additions and 7 deletions
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4
drivers/net/wireless/ath/wcn36xx/hal.h
View File

@ -4384,11 +4384,13 @@ enum place_holder_in_cap_bitmap {
MAX_FEATURE_SUPPORTED = 128,
};
#define WCN36XX_HAL_CAPS_SIZE 4
struct wcn36xx_hal_feat_caps_msg {
struct wcn36xx_hal_msg_header header;
u32 feat_caps[4];
u32 feat_caps[WCN36XX_HAL_CAPS_SIZE];
} __packed;
/* status codes to help debug rekey failures */

15
drivers/net/wireless/ath/wcn36xx/smd.c
View File

@ -1731,8 +1731,8 @@ static inline void clear_feat_caps(u32 *bitmap,
int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
{
struct wcn36xx_hal_feat_caps_msg msg_body;
int ret = 0;
struct wcn36xx_hal_feat_caps_msg msg_body, *rsp;
int ret = 0, i;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
@ -1746,12 +1746,15 @@ int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
wcn36xx_err("Sending hal_feature_caps_exchange failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_feature_caps_exchange response failed err=%d\n",
ret);
if (wcn->hal_rsp_len != sizeof(*rsp)) {
wcn36xx_err("Invalid hal_feature_caps_exchange response");
goto out;
}
rsp = (struct wcn36xx_hal_feat_caps_msg *) wcn->hal_buf;
for (i = 0; i < WCN36XX_HAL_CAPS_SIZE; i++)
wcn->fw_feat_caps[i] = rsp->feat_caps[i];
out:
mutex_unlock(&wcn->hal_mutex);
return ret;

1
drivers/net/wireless/ath/wcn36xx/wcn36xx.h
View File

@ -175,6 +175,7 @@ struct wcn36xx {
u8 fw_version;
u8 fw_minor;
u8 fw_major;
u32 fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
/* extra byte for the NULL termination */
u8 crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];