Return-path: Received: from smtp.nokia.com ([192.100.122.233]:36158 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933760AbZJMJuK (ORCPT ); Tue, 13 Oct 2009 05:50:10 -0400 From: Luciano Coelho To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Teemu Paasikivi Subject: [PATCH 14/22] wl1271: Added 5 GHz support to join and rx Date: Tue, 13 Oct 2009 12:47:51 +0300 Message-Id: <1255427279-1224-15-git-send-email-luciano.coelho@nokia.com> In-Reply-To: <1255427279-1224-1-git-send-email-luciano.coelho@nokia.com> References: <1255427279-1224-1-git-send-email-luciano.coelho@nokia.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Teemu Paasikivi Added support to assiociate and use connection on 5 GHz band (802.11a). Signed-off-by: Teemu Paasikivi Reviewed-by: Juuso Oikarinen Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/wl1271_cmd.c | 13 ++++++- drivers/net/wireless/wl12xx/wl1271_cmd.h | 1 + drivers/net/wireless/wl12xx/wl1271_rx.c | 57 ++++++++++++++++++++++++------ 3 files changed, 58 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c index 6d7a40c..fe4f1e6 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.c +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c @@ -219,6 +219,7 @@ int wl1271_cmd_join(struct wl1271 *wl) join->rx_config_options = wl->rx_config; join->rx_filter_options = wl->rx_filter; + join->bss_type = wl->bss_type; /* * FIXME: disable temporarily all filters because after commit @@ -229,12 +230,20 @@ int wl1271_cmd_join(struct wl1271 *wl) join->rx_config_options = 0; join->rx_filter_options = WL1271_DEFAULT_RX_FILTER; - join->basic_rate_set = CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS | + if (wl->band == IEEE80211_BAND_2GHZ) + join->basic_rate_set = + CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS | CONF_HW_BIT_RATE_11MBPS; + else { + join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ; + join->basic_rate_set = + CONF_HW_BIT_RATE_6MBPS | CONF_HW_BIT_RATE_12MBPS | + CONF_HW_BIT_RATE_24MBPS; + } join->beacon_interval = WL1271_DEFAULT_BEACON_INT; join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD; - join->bss_type = wl->bss_type; + join->channel = wl->channel; join->ssid_len = wl->ssid_len; memcpy(join->ssid, wl->ssid, wl->ssid_len); diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h index 3308940..15254fa 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.h +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h @@ -198,6 +198,7 @@ enum { #define WL1271_JOIN_CMD_CTRL_TX_FLUSH 0x80 /* Firmware flushes all Tx */ #define WL1271_JOIN_CMD_TX_SESSION_OFFSET 1 +#define WL1271_JOIN_CMD_BSS_TYPE_5GHZ 0x10 struct wl1271_cmd_join { struct wl1271_cmd_header header; diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c index 66b83e9..1dd8458 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.c +++ b/drivers/net/wireless/wl12xx/wl1271_rx.c @@ -70,6 +70,36 @@ static u8 wl1271_rx_rate_to_idx[] = { 0 /* WL1271_RATE_1 */ }; +/* The values of this table must match the wl1271_rates[] array */ +static u8 wl1271_5_ghz_rx_rate_to_idx[] = { + /* MCS rates are used only with 11n */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */ + + 7, /* WL1271_RATE_54 */ + 6, /* WL1271_RATE_48 */ + 5, /* WL1271_RATE_36 */ + 4, /* WL1271_RATE_24 */ + + /* TI-specific rate */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22 */ + + 3, /* WL1271_RATE_18 */ + 2, /* WL1271_RATE_12 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_11 */ + 1, /* WL1271_RATE_9 */ + 0, /* WL1271_RATE_6 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_5_5 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_2 */ + WL1271_RX_RATE_UNSUPPORTED /* WL1271_RATE_1 */ +}; + static void wl1271_rx_status(struct wl1271 *wl, struct wl1271_rx_descriptor *desc, struct ieee80211_rx_status *status, @@ -77,15 +107,21 @@ static void wl1271_rx_status(struct wl1271 *wl, { memset(status, 0, sizeof(struct ieee80211_rx_status)); - if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG) + if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == + WL1271_RX_DESC_BAND_BG) { status->band = IEEE80211_BAND_2GHZ; - else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == - WL1271_RX_DESC_BAND_A) + status->rate_idx = wl1271_rx_rate_to_idx[desc->rate]; + } else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == + WL1271_RX_DESC_BAND_A) { status->band = IEEE80211_BAND_5GHZ; - else + status->rate_idx = wl1271_5_ghz_rx_rate_to_idx[desc->rate]; + } else wl1271_warning("unsupported band 0x%x", desc->flags & WL1271_RX_DESC_BAND_MASK); + if (unlikely(status->rate_idx == WL1271_RX_RATE_UNSUPPORTED)) + wl1271_warning("unsupported rate"); + /* * FIXME: Add mactime handling. For IBSS (ad-hoc) we need to get the * timestamp from the beacon (acx_tsf_info). In BSS mode (infra) we @@ -108,15 +144,14 @@ static void wl1271_rx_status(struct wl1271 *wl, if (likely(!(desc->flags & WL1271_RX_DESC_DECRYPT_FAIL))) status->flag |= RX_FLAG_DECRYPTED; - + /* FIXME: Flag should be also set when using 5 GHz band. + * At the moment chip reports MIC failed on all packets, + * so flag is silently discarded. + */ if (unlikely(desc->flags & WL1271_RX_DESC_MIC_FAIL)) - status->flag |= RX_FLAG_MMIC_ERROR; + if (status->band != IEEE80211_BAND_5GHZ) + status->flag |= RX_FLAG_MMIC_ERROR; } - - status->rate_idx = wl1271_rx_rate_to_idx[desc->rate]; - - if (status->rate_idx == WL1271_RX_RATE_UNSUPPORTED) - wl1271_warning("unsupported rate"); } static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length) -- 1.5.6.5