From 0d59f5267d93f71b3d0c3c80f4948065e77ee75c Mon Sep 17 00:00:00 2001 From: Jahnavi Meher Date: Mon, 16 Jun 2014 19:43:09 +0530 Subject: [PATCH] rsi: Changed rate handling. Changed rate handling. Signed-off-by: Jahnavi Meher Signed-off-by: John W. Linville --- drivers/net/wireless/rsi/rsi_91x_mgmt.c | 35 +++++++++++-------------- 1 file changed, 16 insertions(+), 19 deletions(-) diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 5c122e8cd526..f5182cd67f53 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -942,7 +942,7 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) struct ieee80211_hw *hw = common->priv->hw; u8 band = hw->conf.chandef.chan->band; u8 num_supported_rates = 0; - u8 rate_offset = 0; + u8 rate_table_offset, rate_offset = 0; u32 rate_bitmap = common->bitrate_mask[band]; u16 *selected_rates, min_rate; @@ -978,14 +978,18 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) if (common->channel_width == BW_40MHZ) auto_rate->desc_word[7] |= cpu_to_le16(1); - if (band == IEEE80211_BAND_2GHZ) - min_rate = STD_RATE_01; - else - min_rate = STD_RATE_06; + if (band == IEEE80211_BAND_2GHZ) { + min_rate = RSI_RATE_1; + rate_table_offset = 0; + } else { + min_rate = RSI_RATE_6; + rate_table_offset = 4; + } for (ii = 0, jj = 0; ii < ARRAY_SIZE(rsi_rates); ii++) { if (rate_bitmap & BIT(ii)) { - selected_rates[jj++] = (rsi_rates[ii].bitrate / 5); + selected_rates[jj++] = + (rsi_rates[ii + rate_table_offset].bitrate / 5); rate_offset++; } } @@ -998,13 +1002,6 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) rate_offset += ARRAY_SIZE(mcs); } - if (rate_offset < (RSI_TBL_SZ / 2) - 1) { - for (ii = jj; ii < (RSI_TBL_SZ / 2); ii++) { - selected_rates[jj++] = min_rate; - rate_offset++; - } - } - sort(selected_rates, jj, sizeof(u16), &rsi_compare, NULL); /* mapping the rates to RSI rates */ @@ -1020,25 +1017,25 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) /* loading HT rates in the bottom half of the auto rate table */ if (common->vif_info[0].is_ht) { - if (common->vif_info[0].sgi) - auto_rate->supported_rates[rate_offset++] = - cpu_to_le16(RSI_RATE_MCS7_SG); - for (ii = rate_offset, kk = ARRAY_SIZE(rsi_mcsrates) - 1; ii < rate_offset + 2 * ARRAY_SIZE(rsi_mcsrates); ii++) { - if (common->vif_info[0].sgi) + if (common->vif_info[0].sgi || + conf_is_ht40(&common->priv->hw->conf)) auto_rate->supported_rates[ii++] = cpu_to_le16(rsi_mcsrates[kk] | BIT(9)); auto_rate->supported_rates[ii] = cpu_to_le16(rsi_mcsrates[kk--]); } - for (; ii < RSI_TBL_SZ; ii++) { + for (; ii < (RSI_TBL_SZ - 1); ii++) { auto_rate->supported_rates[ii] = cpu_to_le16(rsi_mcsrates[0]); } } + for (; ii < RSI_TBL_SZ; ii++) + auto_rate->supported_rates[ii] = min_rate; + auto_rate->num_supported_rates = cpu_to_le16(num_supported_rates * 2); auto_rate->moderate_rate_inx = cpu_to_le16(num_supported_rates / 2); auto_rate->desc_word[7] |= cpu_to_le16(0 << 8); -- 2.20.1