Attachment 675302 Details for Bug 863424 – fix rate scaling

[patch] fix rate scaling

0001-iwlwifi-perform-rate-scale-on-a-singe-frame-from-AGG.patch (text/plain), 1.67 KB, created by Emmanuel Grumbach on 2013-01-09 08:23:09 UTC

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Creator: Emmanuel Grumbach

Created: 2013-01-09 08:23:09 UTC

Size: 1.67 KB

patch

obsolete

>From 9f5d6f5843a4a08ed5c439dd47f2ffcf8ab27e76 Mon Sep 17 00:00:00 2001
>From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
>Date: Wed, 9 Jan 2013 10:20:36 +0200
>Subject: [PATCH] iwlwifi: perform rate scale on a singe frame from AGG queue
>
>Not clearing the AMPDU flag will fool the rate scaling.
>
>Change-Id: I769f79d3d2a4ebcb71af78e7e17a2fb3a12f30f7
>Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
>---
> drivers/net/wireless/iwlwifi/dvm/tx.c |    8 ++++++--
> 1 files changed, 6 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
>index b21b0a6..3120020 100644
>--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
>+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
>@@ -1086,10 +1086,14 @@ static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status)
> 
> static void iwlagn_set_tx_status(struct iwl_priv *priv,
> 				 struct ieee80211_tx_info *info,
>-				 struct iwlagn_tx_resp *tx_resp)
>+				 struct iwlagn_tx_resp *tx_resp,
>+				 bool is_agg)
> {
> 	u16 status = le16_to_cpu(tx_resp->status.status);
> 
>+	if (is_agg)
>+		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
>+
> 	info->status.rates[0].count = tx_resp->failure_frame + 1;
> 	info->flags |= iwl_tx_status_to_mac80211(status);
> 	iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
>@@ -1208,7 +1212,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
> 			if (is_agg && !iwl_is_tx_success(status))
> 				info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
> 			iwlagn_set_tx_status(priv, IEEE80211_SKB_CB(skb),
>-				     tx_resp);
>+				     tx_resp, is_agg);
> 			if (!is_agg)
> 				iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1);
> 
>-- 
>1.7.1
>

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