summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/broadcom
diff options
context:
space:
mode:
authorArend Van Spriel <arend.vanspriel@broadcom.com>2017-09-12 11:47:54 +0300
committerKalle Valo <kvalo@codeaurora.org>2017-09-20 07:46:30 +0300
commit35f62727df0ed8e5e4857e162d94fd46d861f1cf (patch)
tree133d7a4ca827253be9911e8be002a0bfe451123e /drivers/net/wireless/broadcom
parent17df6453d4be17910456e99c5a85025aa1b7a246 (diff)
downloadlinux-35f62727df0ed8e5e4857e162d94fd46d861f1cf.tar.xz
brcmfmac: setup passive scan if requested by user-space
The driver was not properly configuring firmware with regard to the type of scan. It always performed an active scan even when user-space was requesting for passive scan, ie. the scan request was done without any SSIDs specified. Cc: stable@vger.kernel.org # v4.0.x Reported-by: Huang, Jiangyang <Jiangyang.Huang@itron.com> Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/broadcom')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c19
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h5
2 files changed, 9 insertions, 15 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 26a0de371c26..4157c90ad973 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -980,7 +980,7 @@ static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
eth_broadcast_addr(params_le->bssid);
params_le->bss_type = DOT11_BSSTYPE_ANY;
- params_le->scan_type = 0;
+ params_le->scan_type = BRCMF_SCANTYPE_ACTIVE;
params_le->channel_num = 0;
params_le->nprobes = cpu_to_le32(-1);
params_le->active_time = cpu_to_le32(-1);
@@ -988,12 +988,9 @@ static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
params_le->home_time = cpu_to_le32(-1);
memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
- /* if request is null exit so it will be all channel broadcast scan */
- if (!request)
- return;
-
n_ssids = request->n_ssids;
n_channels = request->n_channels;
+
/* Copy channel array if applicable */
brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
n_channels);
@@ -1030,16 +1027,8 @@ static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
ptr += sizeof(ssid_le);
}
} else {
- brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
- if ((request->ssids) && request->ssids->ssid_len) {
- brcmf_dbg(SCAN, "SSID %s len=%d\n",
- params_le->ssid_le.SSID,
- request->ssids->ssid_len);
- params_le->ssid_le.SSID_len =
- cpu_to_le32(request->ssids->ssid_len);
- memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
- request->ssids->ssid_len);
- }
+ brcmf_dbg(SCAN, "Performing passive scan\n");
+ params_le->scan_type = BRCMF_SCANTYPE_PASSIVE;
}
/* Adding mask to channel numbers */
params_le->channel_num =
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
index 8391989b1882..e0d22fedb2b4 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -45,6 +45,11 @@
#define BRCMF_SCAN_PARAMS_COUNT_MASK 0x0000ffff
#define BRCMF_SCAN_PARAMS_NSSID_SHIFT 16
+/* scan type definitions */
+#define BRCMF_SCANTYPE_DEFAULT 0xFF
+#define BRCMF_SCANTYPE_ACTIVE 0
+#define BRCMF_SCANTYPE_PASSIVE 1
+
#define BRCMF_WSEC_MAX_PSK_LEN 32
#define BRCMF_WSEC_PASSPHRASE BIT(0)