Return-path: Received: from smtp.nokia.com ([192.100.122.233]:17289 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755078Ab0JNJAa (ORCPT ); Thu, 14 Oct 2010 05:00:30 -0400 Received: from esebh105.NOE.Nokia.com (esebh105.ntc.nokia.com [172.21.138.211]) by mgw-mx06.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id o9E8xtXO015436 for ; Thu, 14 Oct 2010 12:00:28 +0300 From: Teemu Paasikivi To: luciano.coelho@nokia.com Cc: linux-wireless@vger.kernel.org, Teemu Paasikivi Subject: [PATCH v2] wl1271: Fix warning about unsupported RX rate Date: Thu, 14 Oct 2010 12:00:04 +0300 Message-Id: <1287046804-19356-1-git-send-email-ext-teemu.3.paasikivi@nokia.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: While scanning, it is possible that beacon and probe response frames are received on other band than configured to the driver. In rx status handling this has caused "Unsupported RX rate from HW" warnings. This patch changes the wl1271_rate_to_index function to take the band of the received frame as a parameter instead of using value configuret to wl->band. Signed-off-by: Teemu Paasikivi --- Changes v1 -> v2: Fixed patch to apply on wl12xx tree drivers/net/wireless/wl12xx/wl1271_main.c | 6 +++--- drivers/net/wireless/wl12xx/wl1271_rx.c | 10 +++++++++- drivers/net/wireless/wl12xx/wl1271_rx.h | 2 +- drivers/net/wireless/wl12xx/wl1271_tx.c | 2 +- drivers/net/wireless/wl12xx/wl1271_tx.h | 2 +- 5 files changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 48a4b99..a225400 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -2281,18 +2281,18 @@ static const struct ieee80211_ops wl1271_ops = { }; -u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate) +u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) { u8 idx; - BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); + BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { wl1271_error("Illegal RX rate from HW: %d", rate); return 0; } - idx = wl1271_band_rate_to_idx[wl->band][rate]; + idx = wl1271_band_rate_to_idx[band][rate]; if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { wl1271_error("Unsupported RX rate from HW: %d", rate); return 0; diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c index bea133b..282d286 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.c +++ b/drivers/net/wireless/wl12xx/wl1271_rx.c @@ -48,10 +48,18 @@ static void wl1271_rx_status(struct wl1271 *wl, struct ieee80211_rx_status *status, u8 beacon) { + enum ieee80211_band desc_band; + memset(status, 0, sizeof(struct ieee80211_rx_status)); status->band = wl->band; - status->rate_idx = wl1271_rate_to_idx(wl, desc->rate); + + if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG) + desc_band = IEEE80211_BAND_2GHZ; + else + desc_band = IEEE80211_BAND_5GHZ; + + status->rate_idx = wl1271_rate_to_idx(desc->rate, desc_band); status->signal = desc->rssi; diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.h b/drivers/net/wireless/wl12xx/wl1271_rx.h index 13a2323..6d41981 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.h +++ b/drivers/net/wireless/wl12xx/wl1271_rx.h @@ -116,6 +116,6 @@ struct wl1271_rx_descriptor { } __packed; void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status); -u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate); +u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); #endif diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c index e3dc13c..c97ba31 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.c +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -298,7 +298,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, if (result->status == TX_SUCCESS) { if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) info->flags |= IEEE80211_TX_STAT_ACK; - rate = wl1271_rate_to_idx(wl, result->rate_class_index); + rate = wl1271_rate_to_idx(result->rate_class_index, wl->band); retries = result->ack_failures; } else if (result->status == TX_RETRY_EXCEEDED) { wl->stats.excessive_retries++; diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/wl1271_tx.h index d12a129..eff1260 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.h +++ b/drivers/net/wireless/wl12xx/wl1271_tx.h @@ -143,7 +143,7 @@ void wl1271_tx_work(struct work_struct *work); void wl1271_tx_complete(struct wl1271 *wl); void wl1271_tx_reset(struct wl1271 *wl); void wl1271_tx_flush(struct wl1271 *wl); -u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate); +u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set); #endif -- 1.7.1