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mac80211: split sched scan IEs

Ver a proveniência 
Split sched scan IEs to band specific and not band specific
blocks. Common IEs blocks may be sent to the FW once per command,
instead of per band.

This allows optimization of size of the command, which may be
required by some drivers (eg. iwlmvm with newer firmware version).

As this changes the mac80211 API, update all drivers to use the
new version correctly, even if they don't (yet) make use of the
split data.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Este cometimento está contido em:
David Spinadel
2014-02-06 16:15:23 +02:00
cometido por Johannes Berg
ascendente c56ef67250
cometimento 633e271326
15 ficheiros modificados com 89 adições e 76 eliminações
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20
drivers/net/wireless/ti/wl12xx/scan.c
Ver ficheiro

@@ -156,7 +156,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
cmd->params.role_id, band,
wl->scan.ssid, wl->scan.ssid_len,
wl->scan.req->ie,
wl->scan.req->ie_len, false);
wl->scan.req->ie_len, NULL, 0, false);
if (ret < 0) {
wl1271_error("PROBE request template failed");
goto out;
@@ -317,7 +317,7 @@ static void wl12xx_adjust_channels(struct wl1271_cmd_sched_scan_config *cmd,
int wl1271_scan_sched_scan_config(struct wl1271 *wl,
struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies)
struct ieee80211_scan_ies *ies)
{
struct wl1271_cmd_sched_scan_config *cfg = NULL;
struct wlcore_scan_channels *cfg_channels = NULL;
@@ -378,8 +378,11 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
wlvif->role_id, band,
req->ssids[0].ssid,
req->ssids[0].ssid_len,
ies->ie[band],
ies->len[band], true);
ies->ies[band],
ies->len[band],
ies->common_ies,
ies->common_ie_len,
true);
if (ret < 0) {
wl1271_error("2.4GHz PROBE request template failed");
goto out;
@@ -392,8 +395,11 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
wlvif->role_id, band,
req->ssids[0].ssid,
req->ssids[0].ssid_len,
ies->ie[band],
ies->len[band], true);
ies->ies[band],
ies->len[band],
ies->common_ies,
ies->common_ie_len,
true);
if (ret < 0) {
wl1271_error("5GHz PROBE request template failed");
goto out;
@@ -449,7 +455,7 @@ out_free:
int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies)
struct ieee80211_scan_ies *ies)
{
int ret;

2
drivers/net/wireless/ti/wl12xx/scan.h
Ver ficheiro

@@ -135,6 +135,6 @@ int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies);
struct ieee80211_scan_ies *ies);
void wl12xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
#endif

16
drivers/net/wireless/ti/wl18xx/scan.c
Ver ficheiro

@@ -113,6 +113,8 @@ static int wl18xx_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
req->ssids ? req->ssids[0].ssid_len : 0,
req->ie,
req->ie_len,
NULL,
0,
false);
if (ret < 0) {
wl1271_error("2.4GHz PROBE request template failed");
@@ -128,6 +130,8 @@ static int wl18xx_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
req->ssids ? req->ssids[0].ssid_len : 0,
req->ie,
req->ie_len,
NULL,
0,
false);
if (ret < 0) {
wl1271_error("5GHz PROBE request template failed");
@@ -161,7 +165,7 @@ static
int wl18xx_scan_sched_scan_config(struct wl1271 *wl,
struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies)
struct ieee80211_scan_ies *ies)
{
struct wl18xx_cmd_scan_params *cmd;
struct wlcore_scan_channels *cmd_channels = NULL;
@@ -237,8 +241,10 @@ int wl18xx_scan_sched_scan_config(struct wl1271 *wl,
cmd->role_id, band,
req->ssids ? req->ssids[0].ssid : NULL,
req->ssids ? req->ssids[0].ssid_len : 0,
ies->ie[band],
ies->ies[band],
ies->len[band],
ies->common_ies,
ies->common_ie_len,
true);
if (ret < 0) {
wl1271_error("2.4GHz PROBE request template failed");
@@ -252,8 +258,10 @@ int wl18xx_scan_sched_scan_config(struct wl1271 *wl,
cmd->role_id, band,
req->ssids ? req->ssids[0].ssid : NULL,
req->ssids ? req->ssids[0].ssid_len : 0,
ies->ie[band],
ies->ies[band],
ies->len[band],
ies->common_ies,
ies->common_ie_len,
true);
if (ret < 0) {
wl1271_error("5GHz PROBE request template failed");
@@ -277,7 +285,7 @@ out:
int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies)
struct ieee80211_scan_ies *ies)
{
return wl18xx_scan_sched_scan_config(wl, wlvif, req, ies);
}

2
drivers/net/wireless/ti/wl18xx/scan.h
Ver ficheiro

@@ -122,6 +122,6 @@ int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies);
struct ieee80211_scan_ies *ies);
void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
#endif

11
drivers/net/wireless/ti/wlcore/cmd.c
Ver ficheiro

@@ -1124,7 +1124,8 @@ out:
int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
u8 role_id, u8 band,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, bool sched_scan)
const u8 *ie0, size_t ie0_len, const u8 *ie1,
size_t ie1_len, bool sched_scan)
{
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
struct sk_buff *skb;
@@ -1136,13 +1137,15 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
wl1271_debug(DEBUG_SCAN, "build probe request band %d", band);
skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len,
ie_len);
ie0_len + ie1_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
if (ie_len)
memcpy(skb_put(skb, ie_len), ie, ie_len);
if (ie0_len)
memcpy(skb_put(skb, ie0_len), ie0, ie0_len);
if (ie1_len)
memcpy(skb_put(skb, ie1_len), ie1, ie1_len);
if (sched_scan &&
(wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) {

3
drivers/net/wireless/ti/wlcore/cmd.h
Ver ficheiro

@@ -64,7 +64,8 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif,
int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
u8 role_id, u8 band,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, bool sched_scan);
const u8 *ie, size_t ie_len, const u8 *common_ie,
size_t common_ie_len, bool sched_scan);
struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
struct wl12xx_vif *wlvif,
struct sk_buff *skb);

2
drivers/net/wireless/ti/wlcore/main.c
Ver ficheiro

@@ -3637,7 +3637,7 @@ out:
static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies)
struct ieee80211_scan_ies *ies)
{
struct wl1271 *wl = hw->priv;
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);

2
drivers/net/wireless/ti/wlcore/scan.h
Ver ficheiro

@@ -37,7 +37,7 @@ void wl1271_scan_complete_work(struct work_struct *work);
int wl1271_scan_sched_scan_config(struct wl1271 *wl,
struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies);
struct ieee80211_scan_ies *ies);
int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wlcore_scan_sched_scan_results(struct wl1271 *wl);

2
drivers/net/wireless/ti/wlcore/wlcore.h
Ver ficheiro

@@ -95,7 +95,7 @@ struct wlcore_ops {
int (*scan_stop)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int (*sched_scan_start)(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies);
struct ieee80211_scan_ies *ies);
void (*sched_scan_stop)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int (*get_spare_blocks)(struct wl1271 *wl, bool is_gem);
int (*set_key)(struct wl1271 *wl, enum set_key_cmd cmd,