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wl1271: Fix scan parameter handling for 5GHz 

The 5GHz bands were scanned without the proper IE's in place, preventing
proper 5GHz scanning. This patches fixes the problem by storing a pointer
to the scan request (with the IE's) for all iterations of scan.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2010-05-24 11:18:20 +03:00 committed by John W. Linville
parent 5da54f9499
commit 4fb26fa9ae
5 changed files with 16 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/wl12xx/wl1271.h
View File

@ -299,6 +299,7 @@ struct wl1271_rx_mem_pool_addr {
};
struct wl1271_scan {
struct cfg80211_scan_request *req;
u8 state;
u8 ssid[IW_ESSID_MAX_SIZE+1];
size_t ssid_len;

8
drivers/net/wireless/wl12xx/wl1271_cmd.c
View File

@ -568,7 +568,7 @@ out:
}
int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, u8 active_scan,
struct cfg80211_scan_request *req, u8 active_scan,
u8 high_prio, u8 band, u8 probe_requests)
{
@ -649,7 +649,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
}
ret = wl1271_cmd_build_probe_req(wl, ssid, ssid_len,
ie, ie_len, ieee_band);
req->ie, req->ie_len, ieee_band);
if (ret < 0) {
wl1271_error("PROBE request template failed");
goto out;
@ -685,7 +685,9 @@ int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
memcpy(wl->scan.ssid, ssid, ssid_len);
} else
wl->scan.ssid_len = 0;
}
wl->scan.req = req;
} else
wl->scan.req = NULL;
}
ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params), 0);

2
drivers/net/wireless/wl12xx/wl1271_cmd.h
View File

@ -42,7 +42,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send);
int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
size_t len);
int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, u8 active_scan,
struct cfg80211_scan_request *req, u8 active_scan,
u8 high_prio, u8 band, u8 probe_requests);
int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
void *buf, size_t buf_len, int index, u32 rates);

10
drivers/net/wireless/wl12xx/wl1271_event.c
View File

@ -43,11 +43,11 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
/* FIXME: ie missing! */
wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len,
NULL, 0,
wl->scan.active,
wl->scan.high_prio,
WL1271_SCAN_BAND_5_GHZ,
wl->scan.probe_requests);
wl->scan.req,
wl->scan.active,
wl->scan.high_prio,
WL1271_SCAN_BAND_5_GHZ,
wl->scan.probe_requests);
} else {
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, false);

10
drivers/net/wireless/wl12xx/wl1271_main.c
View File

@ -1634,13 +1634,11 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
goto out;
if (wl1271_11a_enabled())
ret = wl1271_cmd_scan(hw->priv, ssid, len,
req->ie, req->ie_len, 1, 0,
WL1271_SCAN_BAND_DUAL, 3);
ret = wl1271_cmd_scan(hw->priv, ssid, len, req,
1, 0, WL1271_SCAN_BAND_DUAL, 3);
else
ret = wl1271_cmd_scan(hw->priv, ssid, len,
req->ie, req->ie_len, 1, 0,
WL1271_SCAN_BAND_2_4_GHZ, 3);
ret = wl1271_cmd_scan(hw->priv, ssid, len, req,
1, 0, WL1271_SCAN_BAND_2_4_GHZ, 3);
wl1271_ps_elp_sleep(wl);