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authorPontus Fuchs <pontus.fuchs@gmail.com>2014-02-12 19:04:41 +0000
committerJohn W. Linville <linville@tuxdriver.com>2014-02-13 15:20:17 -0500
commitc951da4615ced074c15f57884db8d96821249ae2 (patch)
treed5a0d7be925465041e3120d0cc5b2459f0f7a459
parent08762322c3de33d933906c36e7b47bb6624dd35c (diff)
downloadmac80211-next-csa-c951da4615ced074c15f57884db8d96821249ae2.tar.gz
wcn36xx: Improve feature caps exchange
* 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>
-rw-r--r--drivers/net/wireless/ath/wcn36xx/hal.h4
-rw-r--r--drivers/net/wireless/ath/wcn36xx/smd.c15
-rw-r--r--drivers/net/wireless/ath/wcn36xx/wcn36xx.h1
3 files changed, 13 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h
index 3c2ef0c32f72c..a1f1127d7808d 100644
--- a/drivers/net/wireless/ath/wcn36xx/hal.h
+++ b/drivers/net/wireless/ath/wcn36xx/hal.h
@@ -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 */
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 8a57dfe6c6e8c..425365ce6139d 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -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;
diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
index 8fa5cbace5abb..c5bd61cffc9e0 100644
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -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];