* [PATCH] wcn36xx: Add hardware scan offload support
@ 2017-12-08 9:35 Loic Poulain
2017-12-09 0:34 ` Bjorn Andersson
[not found] ` <1512725730-19188-1-git-send-email-loic.poulain-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
0 siblings, 2 replies; 4+ messages in thread
From: Loic Poulain @ 2017-12-08 9:35 UTC (permalink / raw)
To: kvalo
Cc: linux-arm-msm, linux-wireless, wcn36xx, bjorn.andersson,
k.eugene.e, Loic Poulain
Current hw_scan implementation does not trigger offloaded
hardware scan and seems to only put the device in a kind of
listening mode (beacon/probe-response) for software scan.
Since no probe request are generated by the software, current
scanning method is similar to a passive scan.
This patch introduces support for 'true' hardware offloaded scan.
Hardware scan is configured and started via the start-scan-offload
firmware message. Once scan has been completed a scan indicator
message is received from firmware.
Moreover, this patch includes support for directed probe-request,
allowing connection with hidden APs. It also fixes scan issues with
band-steering AP which are not 'visible' with passive scan (due to
hidden ssid in beacons).
Let's keep the 'legacy' scanning method in case scan-offload is not
supported.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
---
drivers/net/wireless/ath/wcn36xx/hal.h | 107 ++++++++++++++++++++++++++--
drivers/net/wireless/ath/wcn36xx/main.c | 16 ++++-
drivers/net/wireless/ath/wcn36xx/smd.c | 120 ++++++++++++++++++++++++++++++++
drivers/net/wireless/ath/wcn36xx/smd.h | 3 +
4 files changed, 238 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h
index b765c64..1829635 100644
--- a/drivers/net/wireless/ath/wcn36xx/hal.h
+++ b/drivers/net/wireless/ath/wcn36xx/hal.h
@@ -348,6 +348,13 @@ enum wcn36xx_hal_host_msg_type {
WCN36XX_HAL_DHCP_START_IND = 189,
WCN36XX_HAL_DHCP_STOP_IND = 190,
+ /* Scan Offload(hw) APIs */
+ WCN36XX_HAL_START_SCAN_OFFLOAD_REQ = 204,
+ WCN36XX_HAL_START_SCAN_OFFLOAD_RSP = 205,
+ WCN36XX_HAL_STOP_SCAN_OFFLOAD_REQ = 206,
+ WCN36XX_HAL_STOP_SCAN_OFFLOAD_RSP = 207,
+ WCN36XX_HAL_SCAN_OFFLOAD_IND = 210,
+
WCN36XX_HAL_AVOID_FREQ_RANGE_IND = 233,
WCN36XX_HAL_PRINT_REG_INFO_IND = 259,
@@ -1115,6 +1122,101 @@ struct wcn36xx_hal_finish_scan_rsp_msg {
} __packed;
+enum wcn36xx_hal_scan_type {
+ WCN36XX_HAL_SCAN_TYPE_PASSIVE = 0x00,
+ WCN36XX_HAL_SCAN_TYPE_ACTIVE = WCN36XX_HAL_MAX_ENUM_SIZE
+};
+
+struct wcn36xx_hal_mac_ssid {
+ u8 length;
+ u8 ssid[32];
+} __packed;
+
+struct wcn36xx_hal_start_scan_offload_req_msg {
+ struct wcn36xx_hal_msg_header header;
+
+ /* BSSIDs hot list */
+ u8 num_bssid;
+ u8 bssids[4][ETH_ALEN];
+
+ /* Directed probe-requests will be sent for listed SSIDs (max 10)*/
+ u8 num_ssid;
+ struct wcn36xx_hal_mac_ssid ssids[10];
+
+ /* Report AP with hidden ssid */
+ u8 scan_hidden;
+
+ /* Self MAC address */
+ u8 mac[ETH_ALEN];
+
+ /* BSS type */
+ enum wcn36xx_hal_bss_type bss_type;
+
+ /* Scan type */
+ enum wcn36xx_hal_scan_type scan_type;
+
+ /* Minimum scanning time on each channel (ms) */
+ u32 min_ch_time;
+
+ /* Maximum scanning time on each channel */
+ u32 max_ch_time;
+
+ /* Is a p2p search */
+ u8 p2p_search;
+
+ /* Channels to scan */
+ u8 num_channel;
+ u8 channels[80];
+
+ /* IE field */
+ u16 ie_len;
+ u8 ie[0];
+} __packed;
+
+struct wcn36xx_hal_start_scan_offload_rsp_msg {
+ struct wcn36xx_hal_msg_header header;
+
+ /* success or failure */
+ u32 status;
+} __packed;
+
+enum wcn36xx_hal_scan_offload_ind_type {
+ /* Scan has been started */
+ WCN36XX_HAL_SCAN_IND_STARTED = 0x01,
+ /* Scan has been completed */
+ WCN36XX_HAL_SCAN_IND_COMPLETED = 0x02,
+ /* Moved to foreign channel */
+ WCN36XX_HAL_SCAN_IND_FOREIGN_CHANNEL = 0x08,
+ /* scan request has been dequeued */
+ WCN36XX_HAL_SCAN_IND_DEQUEUED = 0x10,
+ /* preempted by other high priority scan */
+ WCN36XX_HAL_SCAN_IND_PREEMPTED = 0x20,
+ /* scan start failed */
+ WCN36XX_HAL_SCAN_IND_FAILED = 0x40,
+ /*scan restarted */
+ WCN36XX_HAL_SCAN_IND_RESTARTED = 0x80,
+ WCN36XX_HAL_SCAN_IND_MAX = WCN36XX_HAL_MAX_ENUM_SIZE
+};
+
+struct wcn36xx_hal_scan_offload_ind {
+ struct wcn36xx_hal_msg_header header;
+
+ u32 type;
+ u32 channel_mhz;
+ u32 scan_id;
+} __packed;
+
+struct wcn36xx_hal_stop_scan_offload_req_msg {
+ struct wcn36xx_hal_msg_header header;
+} __packed;
+
+struct wcn36xx_hal_stop_scan_offload_rsp_msg {
+ struct wcn36xx_hal_msg_header header;
+
+ /* success or failure */
+ u32 status;
+} __packed;
+
enum wcn36xx_hal_rate_index {
HW_RATE_INDEX_1MBPS = 0x82,
HW_RATE_INDEX_2MBPS = 0x84,
@@ -1507,11 +1609,6 @@ struct wcn36xx_hal_edca_param_record {
u16 txop_limit;
} __packed;
-struct wcn36xx_hal_mac_ssid {
- u8 length;
- u8 ssid[32];
-} __packed;
-
/* Concurrency role. These are generic IDs that identify the various roles
* in the software system. */
enum wcn36xx_hal_con_mode {
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index b83f01d..6dd4d57 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -629,7 +629,6 @@ static int wcn36xx_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_scan_request *hw_req)
{
struct wcn36xx *wcn = hw->priv;
-
mutex_lock(&wcn->scan_lock);
if (wcn->scan_req) {
mutex_unlock(&wcn->scan_lock);
@@ -638,11 +637,16 @@ static int wcn36xx_hw_scan(struct ieee80211_hw *hw,
wcn->scan_aborted = false;
wcn->scan_req = &hw_req->req;
+
mutex_unlock(&wcn->scan_lock);
- schedule_work(&wcn->scan_work);
+ if (!get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) {
+ /* legacy manual/sw scan */
+ schedule_work(&wcn->scan_work);
+ return 0;
+ }
- return 0;
+ return wcn36xx_smd_start_hw_scan(wcn, vif, &hw_req->req);
}
static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw,
@@ -650,6 +654,12 @@ static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw,
{
struct wcn36xx *wcn = hw->priv;
+ if (!wcn36xx_smd_stop_hw_scan(wcn)) {
+ struct cfg80211_scan_info scan_info = { .aborted = true };
+
+ ieee80211_scan_completed(wcn->hw, &scan_info);
+ }
+
mutex_lock(&wcn->scan_lock);
wcn->scan_aborted = true;
mutex_unlock(&wcn->scan_lock);
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 9c6590d..fa88a2a 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -613,6 +613,85 @@ int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
return ret;
}
+int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
+ struct cfg80211_scan_request *req)
+{
+ struct wcn36xx_hal_start_scan_offload_req_msg msg_body;
+ int ret, i;
+
+ mutex_lock(&wcn->hal_mutex);
+ INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
+
+ msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
+ msg_body.min_ch_time = 30;
+ msg_body.min_ch_time = 100;
+ msg_body.scan_hidden = 1;
+ memcpy(msg_body.mac, vif->addr, ETH_ALEN);
+ msg_body.p2p_search = vif->p2p;
+
+ msg_body.num_ssid = min_t(u8, req->n_ssids, ARRAY_SIZE(msg_body.ssids));
+ for (i = 0; i < msg_body.num_ssid; i++) {
+ msg_body.ssids[i].length = min_t(u8, req->ssids[i].ssid_len,
+ sizeof(msg_body.ssids[i].ssid));
+ memcpy(msg_body.ssids[i].ssid, req->ssids[i].ssid,
+ msg_body.ssids[i].length);
+ }
+
+ msg_body.num_channel = min_t(u8, req->n_channels,
+ sizeof(msg_body.channels));
+ for (i = 0; i < msg_body.num_channel; i++)
+ msg_body.channels[i] = req->channels[i]->hw_value;
+
+ PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+
+ wcn36xx_dbg(WCN36XX_DBG_HAL,
+ "hal start hw-scan (channels: %u; ssids: %u; p2p: %s)\n",
+ msg_body.num_channel, msg_body.num_ssid,
+ msg_body.p2p_search ? "yes" : "no");
+
+ ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
+ if (ret) {
+ wcn36xx_err("Sending hal_start_scan_offload failed\n");
+ goto out;
+ }
+ ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
+ if (ret) {
+ wcn36xx_err("hal_start_scan_offload response failed err=%d\n",
+ ret);
+ goto out;
+ }
+out:
+ mutex_unlock(&wcn->hal_mutex);
+ return ret;
+}
+
+int wcn36xx_smd_stop_hw_scan(struct wcn36xx *wcn)
+{
+ struct wcn36xx_hal_stop_scan_offload_req_msg msg_body;
+ int ret;
+
+ mutex_lock(&wcn->hal_mutex);
+ INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_SCAN_OFFLOAD_REQ);
+ PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+
+ wcn36xx_dbg(WCN36XX_DBG_HAL, "hal stop hw-scan\n");
+
+ ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
+ if (ret) {
+ wcn36xx_err("Sending hal_stop_scan_offload failed\n");
+ goto out;
+ }
+ ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
+ if (ret) {
+ wcn36xx_err("hal_stop_scan_offload response failed err=%d\n",
+ ret);
+ goto out;
+ }
+out:
+ mutex_unlock(&wcn->hal_mutex);
+ return ret;
+}
+
static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len)
{
struct wcn36xx_hal_switch_channel_rsp_msg *rsp;
@@ -2039,6 +2118,40 @@ static int wcn36xx_smd_tx_compl_ind(struct wcn36xx *wcn, void *buf, size_t len)
return 0;
}
+static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len)
+{
+ struct wcn36xx_hal_scan_offload_ind *rsp = buf;
+ struct cfg80211_scan_info scan_info = {};
+
+ if (len != sizeof(*rsp)) {
+ wcn36xx_warn("Corrupted delete scan indication\n");
+ return -EIO;
+ }
+
+ wcn36xx_dbg(WCN36XX_DBG_HAL, "scan indication (type %x)", rsp->type);
+
+ switch (rsp->type) {
+ case WCN36XX_HAL_SCAN_IND_FAILED:
+ scan_info.aborted = true;
+ case WCN36XX_HAL_SCAN_IND_COMPLETED:
+ mutex_lock(&wcn->scan_lock);
+ wcn->scan_req = NULL;
+ mutex_unlock(&wcn->scan_lock);
+ ieee80211_scan_completed(wcn->hw, &scan_info);
+ break;
+ case WCN36XX_HAL_SCAN_IND_STARTED:
+ case WCN36XX_HAL_SCAN_IND_FOREIGN_CHANNEL:
+ case WCN36XX_HAL_SCAN_IND_DEQUEUED:
+ case WCN36XX_HAL_SCAN_IND_PREEMPTED:
+ case WCN36XX_HAL_SCAN_IND_RESTARTED:
+ break;
+ default:
+ wcn36xx_warn("Unknown scan indication type %x\n", rsp->type);
+ }
+
+ return 0;
+}
+
static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
void *buf,
size_t len)
@@ -2250,6 +2363,8 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
case WCN36XX_HAL_CH_SWITCH_RSP:
case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP:
case WCN36XX_HAL_8023_MULTICAST_LIST_RSP:
+ case WCN36XX_HAL_START_SCAN_OFFLOAD_RSP:
+ case WCN36XX_HAL_STOP_SCAN_OFFLOAD_RSP:
memcpy(wcn->hal_buf, buf, len);
wcn->hal_rsp_len = len;
complete(&wcn->hal_rsp_compl);
@@ -2262,6 +2377,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
case WCN36XX_HAL_MISSED_BEACON_IND:
case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
case WCN36XX_HAL_PRINT_REG_INFO_IND:
+ case WCN36XX_HAL_SCAN_OFFLOAD_IND:
msg_ind = kmalloc(sizeof(*msg_ind) + len, GFP_ATOMIC);
if (!msg_ind) {
wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
@@ -2326,6 +2442,10 @@ static void wcn36xx_ind_smd_work(struct work_struct *work)
hal_ind_msg->msg,
hal_ind_msg->msg_len);
break;
+ case WCN36XX_HAL_SCAN_OFFLOAD_IND:
+ wcn36xx_smd_hw_scan_ind(wcn, hal_ind_msg->msg,
+ hal_ind_msg->msg_len);
+ break;
default:
wcn36xx_err("SMD_EVENT (%d) not supported\n",
msg_header->msg_type);
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h
index 013fc95..8076edf 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.h
+++ b/drivers/net/wireless/ath/wcn36xx/smd.h
@@ -65,6 +65,9 @@ int wcn36xx_smd_end_scan(struct wcn36xx *wcn, u8 scan_channel);
int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
enum wcn36xx_hal_sys_mode mode);
int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn, u8 *channels, size_t channel_count);
+int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
+ struct cfg80211_scan_request *req);
+int wcn36xx_smd_stop_hw_scan(struct wcn36xx *wcn);
int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif);
int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr);
int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index);
--
2.7.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] wcn36xx: Add hardware scan offload support
2017-12-08 9:35 [PATCH] wcn36xx: Add hardware scan offload support Loic Poulain
@ 2017-12-09 0:34 ` Bjorn Andersson
2017-12-11 8:57 ` Loic Poulain
[not found] ` <1512725730-19188-1-git-send-email-loic.poulain-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
1 sibling, 1 reply; 4+ messages in thread
From: Bjorn Andersson @ 2017-12-09 0:34 UTC (permalink / raw)
To: Loic Poulain; +Cc: kvalo, linux-arm-msm, linux-wireless, wcn36xx, k.eugene.e
On Fri 08 Dec 01:35 PST 2017, Loic Poulain wrote:
> Current hw_scan implementation does not trigger offloaded
> hardware scan and seems to only put the device in a kind of
> listening mode (beacon/probe-response) for software scan.
> Since no probe request are generated by the software, current
> scanning method is similar to a passive scan.
>
> This patch introduces support for 'true' hardware offloaded scan.
> Hardware scan is configured and started via the start-scan-offload
> firmware message. Once scan has been completed a scan indicator
> message is received from firmware.
>
> Moreover, this patch includes support for directed probe-request,
> allowing connection with hidden APs. It also fixes scan issues with
> band-steering AP which are not 'visible' with passive scan (due to
> hidden ssid in beacons).
>
I'm puzzled to why I didn't see this when I dumped the control channel
that lead up to the initial hw_scan patch. But this looks good and with
a related locking issue fixed this seems to work well.
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
[..]
> +static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len)
> +{
> + struct wcn36xx_hal_scan_offload_ind *rsp = buf;
> + struct cfg80211_scan_info scan_info = {};
> +
> + if (len != sizeof(*rsp)) {
> + wcn36xx_warn("Corrupted delete scan indication\n");
> + return -EIO;
> + }
> +
> + wcn36xx_dbg(WCN36XX_DBG_HAL, "scan indication (type %x)", rsp->type);
> +
> + switch (rsp->type) {
> + case WCN36XX_HAL_SCAN_IND_FAILED:
> + scan_info.aborted = true;
> + case WCN36XX_HAL_SCAN_IND_COMPLETED:
> + mutex_lock(&wcn->scan_lock);
Grabbing this mutex with DEBUG_ATOMIC_SLEEP causes issues, but that's
because the locking in ind_smd_work() is to excessive. Will reply with a
fix for this.
> + wcn->scan_req = NULL;
> + mutex_unlock(&wcn->scan_lock);
> + ieee80211_scan_completed(wcn->hw, &scan_info);
> + break;
Regards,
Bjorn
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] wcn36xx: Add hardware scan offload support
2017-12-09 0:34 ` Bjorn Andersson
@ 2017-12-11 8:57 ` Loic Poulain
0 siblings, 0 replies; 4+ messages in thread
From: Loic Poulain @ 2017-12-11 8:57 UTC (permalink / raw)
To: Bjorn Andersson
Cc: kvalo, linux-arm-msm, linux-wireless, wcn36xx, Eugene Krasnikov
Hi Bjorn,
On 9 December 2017 at 01:34, Bjorn Andersson <bjorn.andersson@linaro.org> wrote:
>
>> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
> [..]
>> +static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len)
>> +{
>> + struct wcn36xx_hal_scan_offload_ind *rsp = buf;
>> + struct cfg80211_scan_info scan_info = {};
>> +
>> + if (len != sizeof(*rsp)) {
>> + wcn36xx_warn("Corrupted delete scan indication\n");
>> + return -EIO;
>> + }
>> +
>> + wcn36xx_dbg(WCN36XX_DBG_HAL, "scan indication (type %x)", rsp->type);
>> +
>> + switch (rsp->type) {
>> + case WCN36XX_HAL_SCAN_IND_FAILED:
>> + scan_info.aborted = true;
>> + case WCN36XX_HAL_SCAN_IND_COMPLETED:
>> + mutex_lock(&wcn->scan_lock);
>
> Grabbing this mutex with DEBUG_ATOMIC_SLEEP causes issues, but that's
> because the locking in ind_smd_work() is to excessive. Will reply with a
> fix for this.
Oops you're right, thanks for the patch.
Regards,
Loic
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: wcn36xx: Add hardware scan offload support
[not found] ` <1512725730-19188-1-git-send-email-loic.poulain-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
@ 2017-12-14 15:29 ` Kalle Valo
0 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2017-12-14 15:29 UTC (permalink / raw)
Cc: kvalo-sgV2jX0FEOL9JmXXK+q4OQ,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA,
linux-wireless-u79uwXL29TY76Z2rM5mHXA,
wcn36xx-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A,
k.eugene.e-Re5JQEeQqe8AvxtiuMwx3w, Loic Poulain
Loic Poulain <loic.poulain-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> Current hw_scan implementation does not trigger offloaded
> hardware scan and seems to only put the device in a kind of
> listening mode (beacon/probe-response) for software scan.
> Since no probe request are generated by the software, current
> scanning method is similar to a passive scan.
>
> This patch introduces support for 'true' hardware offloaded scan.
> Hardware scan is configured and started via the start-scan-offload
> firmware message. Once scan has been completed a scan indicator
> message is received from firmware.
>
> Moreover, this patch includes support for directed probe-request,
> allowing connection with hidden APs. It also fixes scan issues with
> band-steering AP which are not 'visible' with passive scan (due to
> hidden ssid in beacons).
>
> Let's keep the 'legacy' scanning method in case scan-offload is not
> supported.
>
> Signed-off-by: Loic Poulain <loic.poulain-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> Signed-off-by: Kalle Valo <kvalo-A+ZNKFmMK5xy9aJCnZT0Uw@public.gmane.org>
Patch applied to ath-next branch of ath.git, thanks.
2f3bef4b247e wcn36xx: Add hardware scan offload support
--
https://patchwork.kernel.org/patch/10101937/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
^ permalink raw reply [flat|nested] 4+ messages in thread
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2017-12-08 9:35 [PATCH] wcn36xx: Add hardware scan offload support Loic Poulain
2017-12-09 0:34 ` Bjorn Andersson
2017-12-11 8:57 ` Loic Poulain
[not found] ` <1512725730-19188-1-git-send-email-loic.poulain-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-12-14 15:29 ` Kalle Valo
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