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wl1251: get probe request template from mac80211

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Instead of creating the template in driver, get it from mac80211 instead.
Thanks to this, three functions can be now removed.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Kalle Valo 2010-01-05 20:16:57 +02:00 committed by John W. Linville
parent 3a98c30f3e
commit e477c56e85
1 changed files with 12 additions and 74 deletions
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86
drivers/net/wireless/wl12xx/wl1251_main.c
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@ -831,82 +831,11 @@ out:
return ret;
}
static int wl1251_build_basic_rates(char *rates)
{
u8 index = 0;
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;
return index;
}
static int wl1251_build_extended_rates(char *rates)
{
u8 index = 0;
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;
return index;
}
static int wl1251_build_probe_req(struct wl1251 *wl, u8 *ssid, size_t ssid_len)
{
struct wl12xx_probe_req_template template;
struct wl12xx_ie_rates *rates;
char *ptr;
u16 size;
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 = wl1251_build_basic_rates(rates->rates);
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 = wl1251_build_extended_rates(rates->rates);
size += sizeof(struct wl12xx_ie_header) + rates->header.len;
wl1251_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size);
return wl1251_cmd_template_set(wl, CMD_PROBE_REQ, &template,
size);
}
static int wl1251_op_hw_scan(struct ieee80211_hw *hw,
struct cfg80211_scan_request *req)
{
struct wl1251 *wl = hw->priv;
struct sk_buff *skb;
size_t ssid_len = 0;
u8 *ssid = NULL;
int ret;
@ -930,9 +859,18 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw,
if (ret < 0)
goto out;
ret = wl1251_build_probe_req(wl, ssid, ssid_len);
skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
req->ie, req->ie_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, skb->data,
skb->len);
dev_kfree_skb(skb);
if (ret < 0)
wl1251_error("probe request template build failed");
goto out_sleep;
ret = wl1251_cmd_trigger_scan_to(wl, 0);
if (ret < 0)