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> linux-2.6.39-wl1251-set-rate-index-and-preamble-flag-on-received-.patch
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File linux-2.6.39-wl1251-set-rate-index-and-preamble-flag-on-received-.patch of Package kernel-adaptation-n900
From 251581991c64c5527f4ffeb398453cf8a9ff835d Mon Sep 17 00:00:00 2001 From: David Gnedt <david.gnedt@davizone.at> Date: Sun, 30 Jan 2011 19:11:10 +0100 Subject: [PATCH] wl1251: set rate index and preamble flag on received packets wl1251: set rate index and preamble flag on received packets Set the rate index rate_idx and preamble flag RX_FLAG_SHORTPRE on received packets. Signed-off-by: David Gnedt <david.gnedt@davizone.at> Acked-by: Kalle Valo <kvalo@adurom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> --- drivers/net/wireless/wl1251/rx.c | 46 +++++++++++++++++++++++++++++++++++++- 1 files changed, 45 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/wl1251/rx.c b/drivers/net/wireless/wl1251/rx.c index efa5360..1b626b2 100644 --- a/drivers/net/wireless/wl1251/rx.c +++ b/drivers/net/wireless/wl1251/rx.c @@ -95,8 +95,52 @@ static void wl1251_rx_status(struct wl1251 *wl, if (unlikely(!(desc->flags & RX_DESC_VALID_FCS))) status->flag |= RX_FLAG_FAILED_FCS_CRC; + switch (desc->rate) { + /* skip 1 and 12 Mbps because they have same value 0x0a */ + case RATE_2MBPS: + status->rate_idx = 1; + break; + case RATE_5_5MBPS: + status->rate_idx = 2; + break; + case RATE_11MBPS: + status->rate_idx = 3; + break; + case RATE_6MBPS: + status->rate_idx = 4; + break; + case RATE_9MBPS: + status->rate_idx = 5; + break; + case RATE_18MBPS: + status->rate_idx = 7; + break; + case RATE_24MBPS: + status->rate_idx = 8; + break; + case RATE_36MBPS: + status->rate_idx = 9; + break; + case RATE_48MBPS: + status->rate_idx = 10; + break; + case RATE_54MBPS: + status->rate_idx = 11; + break; + } + + /* for 1 and 12 Mbps we have to check the modulation */ + if (desc->rate == RATE_1MBPS) { + if (!(desc->mod_pre & OFDM_RATE_BIT)) + /* CCK -> RATE_1MBPS */ + status->rate_idx = 0; + else + /* OFDM -> RATE_12MBPS */ + status->rate_idx = 6; + } - /* FIXME: set status->rate_idx */ + if (desc->mod_pre & SHORT_PREAMBLE_BIT) + status->flag |= RX_FLAG_SHORTPRE; } static void wl1251_rx_body(struct wl1251 *wl, -- 1.7.0.4