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f830903c37
Changes:
ath10k: Improve PMF/MPF mgt frame check
And add a driver for 5.2 (beta, not even tested yet) kernel.
Refresh patches.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
(cherry picked from commit 49b3dcb2ab)
90 lines
2.6 KiB
Diff
90 lines
2.6 KiB
Diff
From: Sriram R <srirrama@codeaurora.org>
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Date: Mon, 10 Sep 2018 11:09:40 +0530
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Subject: [PATCH] ath10k: add support for configuring management packet rate
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By default the firmware uses 1Mbps and 6Mbps rate for management packets
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in 2G and 5G bands respectively. But when the user selects different
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basic rates from the userspace, we need to send the management
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packets at the lowest basic rate selected by the user.
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This change makes use of WMI_VDEV_PARAM_MGMT_RATE param for configuring the
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management packets rate to the firmware.
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Chipsets Tested : QCA988X, QCA9887, QCA9984
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FW Tested : 10.2.4-1.0-41, 10.4-3.6.104
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Signed-off-by: Sriram R <srirrama@codeaurora.org>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Origin: backport, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f279294e9ee22a8f306fdc8e4181cf555e6f0f70
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---
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--- a/ath10k-4.19/mac.c
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+++ b/ath10k-4.19/mac.c
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@@ -157,6 +157,22 @@ u8 ath10k_mac_bitrate_to_idx(const struc
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return 0;
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}
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+static int ath10k_mac_get_rate_hw_value(int bitrate)
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+{
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+ int i;
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+ u8 hw_value_prefix = 0;
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+
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+ if (ath10k_mac_bitrate_is_cck(bitrate))
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+ hw_value_prefix = WMI_RATE_PREAMBLE_CCK << 6;
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+
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+ for (i = 0; i < sizeof(ath10k_rates); i++) {
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+ if (ath10k_rates[i].bitrate == bitrate)
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+ return hw_value_prefix | ath10k_rates[i].hw_value;
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+ }
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+
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+ return -EINVAL;
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+}
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+
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static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
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{
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switch ((mcs_map >> (2 * nss)) & 0x3) {
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@@ -6388,9 +6404,10 @@ static void ath10k_bss_info_changed(stru
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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;
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- int rateidx, ret = 0;
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+ u8 rate, basic_rate_idx;
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+ int rateidx, ret = 0, hw_rate_code;
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enum nl80211_band band;
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+ const struct ieee80211_supported_band *sband;
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mutex_lock(&ar->conf_mutex);
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@@ -6596,6 +6613,30 @@ static void ath10k_bss_info_changed(stru
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arvif->vdev_id, ret);
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}
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+ if (changed & BSS_CHANGED_BASIC_RATES) {
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+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) {
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+ mutex_unlock(&ar->conf_mutex);
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+ return;
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+ }
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+
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+ sband = ar->hw->wiphy->bands[def.chan->band];
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+ basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
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+ bitrate = sband->bitrates[basic_rate_idx].bitrate;
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+
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+ hw_rate_code = ath10k_mac_get_rate_hw_value(bitrate);
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+ if (hw_rate_code < 0) {
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+ ath10k_warn(ar, "bitrate not supported %d\n", bitrate);
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+ mutex_unlock(&ar->conf_mutex);
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+ return;
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+ }
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+
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+ vdev_param = ar->wmi.vdev_param->mgmt_rate;
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+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
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+ hw_rate_code);
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+ if (ret)
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+ ath10k_warn(ar, "failed to set mgmt tx rate %d\n", ret);
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+ }
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+
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mutex_unlock(&ar->conf_mutex);
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}
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