2019-02-25 19:42:28 +00:00
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From: Pradeep kumar Chitrapu <pradeepc@codeaurora.org>
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Date: Mon, 10 Dec 2018 20:56:11 -0800
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Subject: ath10k: fix incorrect multicast/broadcast rate setting
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Invalid rate code is sent to firmware when multicast rate value of 0 is
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sent to driver indicating disabled case, causing broken mesh path.
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so fix that.
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Tested on QCA9984 with firmware 10.4-3.6.1-00827
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Fixes: cd93b83ad92 ("ath10k: support for multicast rate control")
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Co-developed-by: Zhi Chen <zhichen@codeaurora.org>
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Signed-off-by: Zhi Chen <zhichen@codeaurora.org>
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Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
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Origin: other, https://patchwork.kernel.org/patch/10723033/
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--- a/ath10k-4.19/mac.c
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+++ b/ath10k-4.19/mac.c
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2019-06-13 18:06:25 +00:00
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@@ -6404,8 +6404,8 @@ static void ath10k_bss_info_changed(stru
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2019-02-25 19:42:28 +00:00
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struct cfg80211_chan_def def;
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u32 vdev_param, pdev_param, slottime, preamble;
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u16 bitrate, hw_value;
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- u8 rate, basic_rate_idx;
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- int rateidx, ret = 0, hw_rate_code;
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+ u8 rate, basic_rate_idx, rateidx;
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+ int ret = 0, hw_rate_code, mcast_rate;
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enum nl80211_band band;
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const struct ieee80211_supported_band *sband;
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2019-06-13 18:06:25 +00:00
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@@ -6578,7 +6578,11 @@ static void ath10k_bss_info_changed(stru
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2019-02-25 19:42:28 +00:00
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if (changed & BSS_CHANGED_MCAST_RATE &&
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!WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) {
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band = def.chan->band;
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- rateidx = vif->bss_conf.mcast_rate[band] - 1;
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+ mcast_rate = vif->bss_conf.mcast_rate[band];
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+ if (mcast_rate > 0)
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+ rateidx = mcast_rate - 1;
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+ else
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+ rateidx = ffs(vif->bss_conf.basic_rates) - 1;
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if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY)
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rateidx += ATH10K_MAC_FIRST_OFDM_RATE_IDX;
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