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path: root/drivers/net/wireless/wl12xx/wl1271_cmd.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_cmd.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_cmd.c137
1 files changed, 28 insertions, 109 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;
}