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wl1271: Added 5 GHz support to join and rx

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Added support to assiociate and use connection on 5 GHz band (802.11a).

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Teemu Paasikivi 2009-10-13 12:47:51 +03:00 committed by John W. Linville
parent abb0b3bfb2
commit a410264553
3 changed files with 58 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/net/wireless/wl12xx/wl1271_cmd.c
View File

@ -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);

1
drivers/net/wireless/wl12xx/wl1271_cmd.h
View File

@ -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;

57
drivers/net/wireless/wl12xx/wl1271_rx.c
View File

@ -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)