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authorKalle Valo <kalle.valo@nokia.com>2010-03-18 12:26:35 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-03-23 16:50:22 -0400
commit818e3063a9546fcd826155dd47582a6e2f4d1c37 (patch)
tree7a0063a898cbaabf3e22df73c437ab6bc20d0412 /drivers/net/wireless
parent899e6e65c39990a76c17940625dbe6001f618734 (diff)
downloadblackbird-op-linux-818e3063a9546fcd826155dd47582a6e2f4d1c37.tar.gz
blackbird-op-linux-818e3063a9546fcd826155dd47582a6e2f4d1c37.zip
wl1271: get probe request template from mac80211
If we get probe request from mac80211, we can remove two functions. Signed-off-by: Kalle Valo <kalle.valo@nokia.com> Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_cmd.c137
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_cmd.h11
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.c2
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c6
4 files changed, 40 insertions, 116 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 3a615fac54e8..8364270b2d5c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -546,9 +546,9 @@ out:
return ret;
}
-int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
- u8 active_scan, u8 high_prio, u8 band,
- u8 probe_requests)
+int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len, u8 active_scan,
+ u8 high_prio, u8 band, u8 probe_requests)
{
struct wl1271_cmd_trigger_scan_to *trigger = NULL;
@@ -619,12 +619,13 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
params->params.num_channels = j;
- if (len && ssid) {
- params->params.ssid_len = len;
- memcpy(params->params.ssid, ssid, len);
+ if (ssid_len && ssid) {
+ params->params.ssid_len = ssid_len;
+ memcpy(params->params.ssid, ssid, ssid_len);
}
- ret = wl1271_cmd_build_probe_req(wl, ssid, len, ieee_band);
+ ret = wl1271_cmd_build_probe_req(wl, ssid, ssid_len,
+ ie, ie_len, ieee_band);
if (ret < 0) {
wl1271_error("PROBE request template failed");
goto out;
@@ -655,9 +656,9 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
wl->scan.active = active_scan;
wl->scan.high_prio = high_prio;
wl->scan.probe_requests = probe_requests;
- if (len && ssid) {
- wl->scan.ssid_len = len;
- memcpy(wl->scan.ssid, ssid, len);
+ if (ssid_len && ssid) {
+ wl->scan.ssid_len = ssid_len;
+ memcpy(wl->scan.ssid, ssid, ssid_len);
} else
wl->scan.ssid_len = 0;
}
@@ -714,66 +715,6 @@ out:
return ret;
}
-static int wl1271_build_basic_rates(u8 *rates, u8 band)
-{
- u8 index = 0;
-
- if (band == IEEE80211_BAND_2GHZ) {
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
- } else if (band == IEEE80211_BAND_5GHZ) {
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
- } else {
- wl1271_error("build_basic_rates invalid band: %d", band);
- }
-
- return index;
-}
-
-static int wl1271_build_extended_rates(u8 *rates, u8 band)
-{
- u8 index = 0;
-
- if (band == IEEE80211_BAND_2GHZ) {
- rates[index++] = IEEE80211_OFDM_RATE_6MB;
- rates[index++] = IEEE80211_OFDM_RATE_9MB;
- rates[index++] = IEEE80211_OFDM_RATE_12MB;
- rates[index++] = IEEE80211_OFDM_RATE_18MB;
- rates[index++] = IEEE80211_OFDM_RATE_24MB;
- rates[index++] = IEEE80211_OFDM_RATE_36MB;
- rates[index++] = IEEE80211_OFDM_RATE_48MB;
- rates[index++] = IEEE80211_OFDM_RATE_54MB;
- } else if (band == IEEE80211_BAND_5GHZ) {
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
- rates[index++] =
- IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
- } else {
- wl1271_error("build_basic_rates invalid band: %d", band);
- }
-
- return index;
-}
-
int wl1271_cmd_build_null_data(struct wl1271 *wl)
{
struct sk_buff *skb;
@@ -809,53 +750,31 @@ out:
return ret;
}
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
- u8 band)
+int wl1271_cmd_build_probe_req(struct wl1271 *wl,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len, u8 band)
{
- struct wl12xx_probe_req_template template;
- struct wl12xx_ie_rates *rates;
- char *ptr;
- u16 size;
+ struct sk_buff *skb;
int ret;
- ptr = (char *)&template;
- size = sizeof(struct ieee80211_header);
-
- memset(template.header.da, 0xff, ETH_ALEN);
- memset(template.header.bssid, 0xff, ETH_ALEN);
- memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
- template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
-
- /* IEs */
- /* SSID */
- template.ssid.header.id = WLAN_EID_SSID;
- template.ssid.header.len = ssid_len;
- if (ssid_len && ssid)
- memcpy(template.ssid.ssid, ssid, ssid_len);
- size += sizeof(struct wl12xx_ie_header) + ssid_len;
- ptr += size;
-
- /* Basic Rates */
- rates = (struct wl12xx_ie_rates *)ptr;
- rates->header.id = WLAN_EID_SUPP_RATES;
- rates->header.len = wl1271_build_basic_rates(rates->rates, band);
- size += sizeof(struct wl12xx_ie_header) + rates->header.len;
- ptr += sizeof(struct wl12xx_ie_header) + rates->header.len;
-
- /* Extended rates */
- rates = (struct wl12xx_ie_rates *)ptr;
- rates->header.id = WLAN_EID_EXT_SUPP_RATES;
- rates->header.len = wl1271_build_extended_rates(rates->rates, band);
- size += sizeof(struct wl12xx_ie_header) + rates->header.len;
-
- wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size);
+ skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
+ ie, ie_len);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
if (band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
- &template, size);
+ skb->data, skb->len);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
- &template, size);
+ skb->data, skb->len);
+
+out:
+ dev_kfree_skb(skb);
return ret;
}
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 4297205b8d6d..e936d3ace7b8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -41,15 +41,16 @@ int wl1271_cmd_data_path(struct wl1271 *wl, bool enable);
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, u8 *ssid, size_t len,
- u8 active_scan, u8 high_prio, u8 band,
- u8 probe_requests);
+int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len, 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 wl1271_cmd_build_null_data(struct wl1271 *wl);
int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
- u8 band);
+int wl1271_cmd_build_probe_req(struct wl1271 *wl,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len, u8 band);
int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
u8 key_size, const u8 *key, const u8 *addr,
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 5533519a1418..4d35af96c597 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -44,7 +44,9 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
* scanning as it checks that.
*/
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,
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d21bfe29531d..fbc42ceb39d8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1566,10 +1566,12 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
goto out;
if (wl1271_11a_enabled())
- ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
+ ret = wl1271_cmd_scan(hw->priv, ssid, len,
+ req->ie, req->ie_len, 1, 0,
WL1271_SCAN_BAND_DUAL, 3);
else
- ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
+ ret = wl1271_cmd_scan(hw->priv, ssid, len,
+ req->ie, req->ie_len, 1, 0,
WL1271_SCAN_BAND_2_4_GHZ, 3);
wl1271_ps_elp_sleep(wl);
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