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wl12xx: implement set_bitrate_mask callback

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Save the configured bitrate, and use the min allowed rate
as the basic rate (e.g. when scanning).

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2011-09-19 13:51:42 +03:00 committed by Luciano Coelho
parent 68eaaf6ee5
commit af7fbb28ef
7 changed files with 102 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/net/wireless/wl12xx/cmd.c
View File

@ -1112,6 +1112,7 @@ int wl1271_cmd_build_probe_req(struct wl1271 *wl,
{
struct sk_buff *skb;
int ret;
u32 rate;
skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
ie, ie_len);
@ -1122,14 +1123,13 @@ int wl1271_cmd_build_probe_req(struct wl1271 *wl,
wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
rate = wl1271_tx_min_rate_get(wl, wl->bitrate_masks[band]);
if (band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate);
skb->data, skb->len, 0, rate);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate_5);
skb->data, skb->len, 0, rate);
out:
dev_kfree_skb(skb);
@ -1140,6 +1140,7 @@ struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
struct sk_buff *skb)
{
int ret;
u32 rate;
if (!skb)
skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
@ -1148,14 +1149,13 @@ struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
rate = wl1271_tx_min_rate_get(wl, wl->bitrate_masks[wl->band]);
if (wl->band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate);
skb->data, skb->len, 0, rate);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate_5);
skb->data, skb->len, 0, rate);
if (ret < 0)
wl1271_error("Unable to set ap probe request template.");
@ -1448,7 +1448,8 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET;
cmd->supported_rates =
cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates));
cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates,
wl->band));
wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x",
cmd->supported_rates, sta->uapsd_queues);

17
drivers/net/wireless/wl12xx/init.c
View File

@ -103,6 +103,7 @@ static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
{
struct wl12xx_disconn_template *tmpl;
int ret;
u32 rate;
tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
if (!tmpl) {
@ -113,9 +114,9 @@ static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_DEAUTH);
rate = wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
tmpl, sizeof(*tmpl), 0,
wl1271_tx_min_rate_get(wl));
tmpl, sizeof(*tmpl), 0, rate);
out:
kfree(tmpl);
@ -126,6 +127,7 @@ static int wl1271_ap_init_null_template(struct wl1271 *wl)
{
struct ieee80211_hdr_3addr *nullfunc;
int ret;
u32 rate;
nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
if (!nullfunc) {
@ -142,9 +144,9 @@ static int wl1271_ap_init_null_template(struct wl1271 *wl)
memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
rate = wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
sizeof(*nullfunc), 0,
wl1271_tx_min_rate_get(wl));
sizeof(*nullfunc), 0, rate);
out:
kfree(nullfunc);
@ -155,6 +157,7 @@ static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
{
struct ieee80211_qos_hdr *qosnull;
int ret;
u32 rate;
qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
if (!qosnull) {
@ -171,9 +174,9 @@ static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
rate = wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
sizeof(*qosnull), 0,
wl1271_tx_min_rate_get(wl));
sizeof(*qosnull), 0, rate);
out:
kfree(qosnull);
@ -498,7 +501,7 @@ int wl1271_init_ap_rates(struct wl1271 *wl)
return ret;
/* use the min basic rate for AP broadcast/multicast */
rc.enabled_rates = wl1271_tx_min_rate_get(wl);
rc.enabled_rates = wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
rc.short_retry_limit = 10;
rc.long_retry_limit = 10;
rc.aflags = 0;

79
drivers/net/wireless/wl12xx/main.c
View File

@ -2099,6 +2099,8 @@ deinit:
wl->time_offset = 0;
wl->session_counter = 0;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate;
wl->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5;
wl->vif = NULL;
wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT;
wl1271_free_ap_keys(wl);
@ -2237,14 +2239,8 @@ out:
static void wl1271_set_band_rate(struct wl1271 *wl)
{
if (wl->band == IEEE80211_BAND_2GHZ) {
wl->basic_rate_set = wl->conf.tx.basic_rate;
wl->rate_set = wl->conf.tx.basic_rate;
} else {
wl->basic_rate_set = wl->conf.tx.basic_rate_5;
wl->rate_set = wl->conf.tx.basic_rate_5;
}
wl->basic_rate_set = wl->bitrate_masks[wl->band];
wl->rate_set = wl->basic_rate_set;
}
static bool wl12xx_is_roc(struct wl1271 *wl)
@ -2273,7 +2269,7 @@ static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle)
if (ret < 0)
goto out;
}
wl->rate_set = wl1271_tx_min_rate_get(wl);
wl->rate_set = wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
goto out;
@ -2370,7 +2366,8 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
wl1271_set_band_rate(wl);
wl->basic_rate = wl1271_tx_min_rate_get(wl);
wl->basic_rate =
wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
wl1271_warning("rate policy for channel "
@ -3214,6 +3211,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
if ((changed & BSS_CHANGED_BEACON)) {
struct ieee80211_hdr *hdr;
u32 min_rate;
int ieoffset = offsetof(struct ieee80211_mgmt,
u.beacon.variable);
struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif);
@ -3229,12 +3227,13 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
dev_kfree_skb(beacon);
goto out;
}
min_rate = wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON :
CMD_TEMPL_BEACON;
ret = wl1271_cmd_template_set(wl, tmpl_id,
beacon->data,
beacon->len, 0,
wl1271_tx_min_rate_get(wl));
min_rate);
if (ret < 0) {
dev_kfree_skb(beacon);
goto out;
@ -3261,13 +3260,13 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
ret = wl1271_ap_set_probe_resp_tmpl(wl,
beacon->data,
beacon->len,
wl1271_tx_min_rate_get(wl));
min_rate);
else
ret = wl1271_cmd_template_set(wl,
CMD_TEMPL_PROBE_RESPONSE,
beacon->data,
beacon->len, 0,
wl1271_tx_min_rate_get(wl));
min_rate);
dev_kfree_skb(beacon);
if (ret < 0)
goto out;
@ -3288,8 +3287,10 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl,
if ((changed & BSS_CHANGED_BASIC_RATES)) {
u32 rates = bss_conf->basic_rates;
wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates);
wl->basic_rate = wl1271_tx_min_rate_get(wl);
wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates,
wl->band);
wl->basic_rate = wl1271_tx_min_rate_get(wl,
wl->basic_rate_set);
ret = wl1271_init_ap_rates(wl);
if (ret < 0) {
@ -3471,12 +3472,15 @@ sta_not_found:
* to use with control frames.
*/
rates = bss_conf->basic_rates;
wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
rates);
wl->basic_rate = wl1271_tx_min_rate_get(wl);
wl->basic_rate_set =
wl1271_tx_enabled_rates_get(wl, rates,
wl->band);
wl->basic_rate =
wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
if (sta_rate_set)
wl->rate_set = wl1271_tx_enabled_rates_get(wl,
sta_rate_set);
sta_rate_set,
wl->band);
ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
goto out;
@ -3523,7 +3527,8 @@ sta_not_found:
/* revert back to minimum rates for the current band */
wl1271_set_band_rate(wl);
wl->basic_rate = wl1271_tx_min_rate_get(wl);
wl->basic_rate =
wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
goto out;
@ -3574,9 +3579,11 @@ sta_not_found:
if (bss_conf->ibss_joined) {
u32 rates = bss_conf->basic_rates;
wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
rates);
wl->basic_rate = wl1271_tx_min_rate_get(wl);
wl->basic_rate_set =
wl1271_tx_enabled_rates_get(wl, rates,
wl->band);
wl->basic_rate =
wl1271_tx_min_rate_get(wl, wl->basic_rate_set);
/* by default, use 11b + OFDM rates */
wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES;
@ -4098,6 +4105,29 @@ out:
return ret;
}
static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
struct wl1271 *wl = hw->priv;
int i;
wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x",
mask->control[NL80211_BAND_2GHZ].legacy,
mask->control[NL80211_BAND_5GHZ].legacy);
mutex_lock(&wl->mutex);
for (i = 0; i < IEEE80211_NUM_BANDS; i++)
wl->bitrate_masks[i] =
wl1271_tx_enabled_rates_get(wl,
mask->control[i].legacy,
i);
mutex_unlock(&wl->mutex);
return 0;
}
static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw)
{
struct wl1271 *wl = hw->priv;
@ -4373,6 +4403,7 @@ static const struct ieee80211_ops wl1271_ops = {
.sta_remove = wl1271_op_sta_remove,
.ampdu_action = wl1271_op_ampdu_action,
.tx_frames_pending = wl1271_tx_frames_pending,
.set_bitrate_mask = wl12xx_set_bitrate_mask,
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
@ -4793,6 +4824,8 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
/* Apply default driver configuration. */
wl1271_conf_init(wl);
wl->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate;
wl->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5;
order = get_order(WL1271_AGGR_BUFFER_SIZE);
wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order);

23
drivers/net/wireless/wl12xx/scan.c
View File

@ -28,6 +28,7 @@
#include "scan.h"
#include "acx.h"
#include "ps.h"
#include "tx.h"
void wl1271_scan_complete_work(struct work_struct *work)
{
@ -243,14 +244,17 @@ out:
void wl1271_scan_stm(struct wl1271 *wl)
{
int ret = 0;
enum ieee80211_band band;
u32 rate;
switch (wl->scan.state) {
case WL1271_SCAN_STATE_IDLE:
break;
case WL1271_SCAN_STATE_2GHZ_ACTIVE:
ret = wl1271_scan_send(wl, IEEE80211_BAND_2GHZ, false,
wl->conf.tx.basic_rate);
band = IEEE80211_BAND_2GHZ;
rate = wl1271_tx_min_rate_get(wl, wl->bitrate_masks[band]);
ret = wl1271_scan_send(wl, band, false, rate);
if (ret == WL1271_NOTHING_TO_SCAN) {
wl->scan.state = WL1271_SCAN_STATE_2GHZ_PASSIVE;
wl1271_scan_stm(wl);
@ -259,8 +263,9 @@ void wl1271_scan_stm(struct wl1271 *wl)
break;
case WL1271_SCAN_STATE_2GHZ_PASSIVE:
ret = wl1271_scan_send(wl, IEEE80211_BAND_2GHZ, true,
wl->conf.tx.basic_rate);
band = IEEE80211_BAND_2GHZ;
rate = wl1271_tx_min_rate_get(wl, wl->bitrate_masks[band]);
ret = wl1271_scan_send(wl, band, true, rate);
if (ret == WL1271_NOTHING_TO_SCAN) {
if (wl->enable_11a)
wl->scan.state = WL1271_SCAN_STATE_5GHZ_ACTIVE;
@ -272,8 +277,9 @@ void wl1271_scan_stm(struct wl1271 *wl)
break;
case WL1271_SCAN_STATE_5GHZ_ACTIVE:
ret = wl1271_scan_send(wl, IEEE80211_BAND_5GHZ, false,
wl->conf.tx.basic_rate_5);
band = IEEE80211_BAND_5GHZ;
rate = wl1271_tx_min_rate_get(wl, wl->bitrate_masks[band]);
ret = wl1271_scan_send(wl, band, false, rate);
if (ret == WL1271_NOTHING_TO_SCAN) {
wl->scan.state = WL1271_SCAN_STATE_5GHZ_PASSIVE;
wl1271_scan_stm(wl);
@ -282,8 +288,9 @@ void wl1271_scan_stm(struct wl1271 *wl)
break;
case WL1271_SCAN_STATE_5GHZ_PASSIVE:
ret = wl1271_scan_send(wl, IEEE80211_BAND_5GHZ, true,
wl->conf.tx.basic_rate_5);
band = IEEE80211_BAND_5GHZ;
rate = wl1271_tx_min_rate_get(wl, wl->bitrate_masks[band]);
ret = wl1271_scan_send(wl, band, true, rate);
if (ret == WL1271_NOTHING_TO_SCAN) {
wl->scan.state = WL1271_SCAN_STATE_DONE;
wl1271_scan_stm(wl);

23
drivers/net/wireless/wl12xx/tx.c
View File

@ -450,13 +450,14 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb,
return total_len;
}
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set)
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set,
enum ieee80211_band rate_band)
{
struct ieee80211_supported_band *band;
u32 enabled_rates = 0;
int bit;
band = wl->hw->wiphy->bands[wl->band];
band = wl->hw->wiphy->bands[rate_band];
for (bit = 0; bit < band->n_bitrates; bit++) {
if (rate_set & 0x1)
enabled_rates |= band->bitrates[bit].hw_value;
@ -989,20 +990,10 @@ void wl1271_tx_flush(struct wl1271 *wl)
wl1271_warning("Unable to flush all TX buffers, timed out.");
}
u32 wl1271_tx_min_rate_get(struct wl1271 *wl)
u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set)
{
int i;
u32 rate = 0;
if (WARN_ON(!rate_set))
return 0;
if (!wl->basic_rate_set) {
WARN_ON(1);
wl->basic_rate_set = wl->conf.tx.basic_rate;
}
for (i = 0; !rate; i++) {
if ((wl->basic_rate_set >> i) & 0x1)
rate = 1 << i;
}
return rate;
return BIT(__ffs(rate_set));
}

5
drivers/net/wireless/wl12xx/tx.h
View File

@ -209,8 +209,9 @@ void wl1271_tx_complete(struct wl1271 *wl);
void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues);
void wl1271_tx_flush(struct wl1271 *wl);
u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set);
u32 wl1271_tx_min_rate_get(struct wl1271 *wl);
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set,
enum ieee80211_band rate_band);
u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set);
u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct sk_buff *skb);
void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid);
void wl1271_handle_tx_low_watermark(struct wl1271 *wl);

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

@ -526,6 +526,7 @@ struct wl1271 {
u32 basic_rate_set;
u32 basic_rate;
u32 rate_set;
u32 bitrate_masks[IEEE80211_NUM_BANDS];
/* The current band */
enum ieee80211_band band;