From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:43109 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751585Ab1KAHXv (ORCPT ); Tue, 1 Nov 2011 03:23:51 -0400 Received: by wwi36 with SMTP id 36so2663232wwi.1 for ; Tue, 01 Nov 2011 00:23:50 -0700 (PDT) From: Eliad Peller To: Luciano Coelho Cc: Subject: [PATCH v2 1/2] wl12xx: set scan probe requests rate according to the no_cck flag Date: Tue, 1 Nov 2011 09:23:51 +0200 Message-Id: <1320132232-12283-1-git-send-email-eliad@wizery.com> (sfid-20111101_082355_851210_1A5BEBF5) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Guy Eilam Set the TX rate of probe requests during scanning according to the no_cck flag in the scan request struct. Signed-off-by: Guy Eilam Signed-off-by: Eliad Peller --- v2: consider bitrate_mask drivers/net/wireless/wl12xx/conf.h | 4 ++++ drivers/net/wireless/wl12xx/scan.c | 19 +++++++++++++++---- 2 files changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index 04bb8fb..1bcfb01 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -440,6 +440,10 @@ struct conf_rx_settings { CONF_HW_BIT_RATE_36MBPS | CONF_HW_BIT_RATE_48MBPS | \ CONF_HW_BIT_RATE_54MBPS) +#define CONF_TX_CCK_RATES (CONF_HW_BIT_RATE_1MBPS | \ + CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS | \ + CONF_HW_BIT_RATE_11MBPS) + #define CONF_TX_OFDM_RATES (CONF_HW_BIT_RATE_6MBPS | \ CONF_HW_BIT_RATE_12MBPS | CONF_HW_BIT_RATE_24MBPS | \ CONF_HW_BIT_RATE_36MBPS | CONF_HW_BIT_RATE_48MBPS | \ diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index fb2c431..de82ccf 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -203,7 +203,6 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif, cmd->params.tx_rate = cpu_to_le32(basic_rate); cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs; - cmd->params.tx_rate = cpu_to_le32(basic_rate); cmd->params.tid_trigger = 0; cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; @@ -255,7 +254,7 @@ void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif) struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret = 0; enum ieee80211_band band; - u32 rate; + u32 rate, mask; switch (wl->scan.state) { case WL1271_SCAN_STATE_IDLE: @@ -263,7 +262,13 @@ void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif) case WL1271_SCAN_STATE_2GHZ_ACTIVE: band = IEEE80211_BAND_2GHZ; - rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); + mask = wlvif->bitrate_masks[band]; + if (wl->scan.req->no_cck) { + mask &= ~CONF_TX_CCK_RATES; + if (!mask) + mask = CONF_TX_RATE_MASK_BASIC_P2P; + } + rate = wl1271_tx_min_rate_get(wl, mask); ret = wl1271_scan_send(wl, vif, band, false, rate); if (ret == WL1271_NOTHING_TO_SCAN) { wl->scan.state = WL1271_SCAN_STATE_2GHZ_PASSIVE; @@ -274,7 +279,13 @@ void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif) case WL1271_SCAN_STATE_2GHZ_PASSIVE: band = IEEE80211_BAND_2GHZ; - rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); + mask = wlvif->bitrate_masks[band]; + if (wl->scan.req->no_cck) { + mask &= ~CONF_TX_CCK_RATES; + if (!mask) + mask = CONF_TX_RATE_MASK_BASIC_P2P; + } + rate = wl1271_tx_min_rate_get(wl, mask); ret = wl1271_scan_send(wl, vif, band, true, rate); if (ret == WL1271_NOTHING_TO_SCAN) { if (wl->enable_11a) -- 1.7.6.401.g6a319