From af7fbb28efff0c0d8fc0852ad6622e5437a7611e Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Mon, 19 Sep 2011 13:51:42 +0300 Subject: [PATCH] wl12xx: implement set_bitrate_mask callback Save the configured bitrate, and use the min allowed rate as the basic rate (e.g. when scanning). Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/cmd.c | 19 +++++---- drivers/net/wireless/wl12xx/init.c | 17 ++++---- drivers/net/wireless/wl12xx/main.c | 79 +++++++++++++++++++++++++----------- drivers/net/wireless/wl12xx/scan.c | 23 +++++++---- drivers/net/wireless/wl12xx/tx.c | 23 ++++------- drivers/net/wireless/wl12xx/tx.h | 5 ++- drivers/net/wireless/wl12xx/wl12xx.h | 1 + 7 files changed, 102 insertions(+), 65 deletions(-) diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 51be8f7..287fe95 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -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); diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index 09515f5..04db64c 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -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; diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 02b5c00..384ba19 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -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); diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 08f7e82..128ccb7 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -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); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index f6e95e4..bad9e29 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -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 (!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; - } + if (WARN_ON(!rate_set)) + return 0; - return rate; + return BIT(__ffs(rate_set)); } diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index d6fdbf9..dc4f09a 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -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); diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 3ceb20c..45f03f5 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -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; -- 2.7.4