mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-29 21:14:28 -04:00
99 lines
3.3 KiB
Diff
99 lines
3.3 KiB
Diff
--- a/net/mac80211/ieee80211_i.h
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+++ b/net/mac80211/ieee80211_i.h
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@@ -726,6 +726,8 @@ struct ieee80211_sub_if_data {
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/* bitmap of allowed (non-MCS) rate indexes for rate control */
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u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
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+
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+ bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
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u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
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union {
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--- a/net/mac80211/cfg.c
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+++ b/net/mac80211/cfg.c
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@@ -2112,9 +2112,20 @@ static int ieee80211_set_bitrate_mask(st
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}
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for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
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+ struct ieee80211_supported_band *sband = wiphy->bands[i];
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+
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sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
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memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
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sizeof(mask->control[i].mcs));
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+
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+ sdata->rc_has_mcs_mask[i] = false;
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+ if (!sband)
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+ continue;
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+
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+ if (memcmp(sdata->rc_rateidx_mcs_mask[i],
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+ sband->ht_cap.mcs.rx_mask,
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+ sizeof(sband->ht_cap.mcs.rx_mask)) != 0)
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+ sdata->rc_has_mcs_mask[i] = true;
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}
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return 0;
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -3672,7 +3672,7 @@ void ieee80211_send_bar(struct ieee80211
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* (deprecated; this will be removed once drivers get updated to use
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* rate_idx_mask)
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* @rate_idx_mask: user-requested (legacy) rate mask
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- * @rate_idx_mcs_mask: user-requested MCS rate mask
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+ * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use)
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* @bss: whether this frame is sent out in AP or IBSS mode
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*/
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struct ieee80211_tx_rate_control {
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@@ -3684,7 +3684,7 @@ struct ieee80211_tx_rate_control {
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bool rts, short_preamble;
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u8 max_rate_idx;
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u32 rate_idx_mask;
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- u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
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+ u8 *rate_idx_mcs_mask;
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bool bss;
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};
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -642,9 +642,11 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
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txrc.max_rate_idx = -1;
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else
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txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
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- memcpy(txrc.rate_idx_mcs_mask,
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- tx->sdata->rc_rateidx_mcs_mask[tx->channel->band],
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- sizeof(txrc.rate_idx_mcs_mask));
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+
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+ if (tx->sdata->rc_has_mcs_mask[tx->channel->band])
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+ txrc.rate_idx_mcs_mask =
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+ tx->sdata->rc_rateidx_mcs_mask[tx->channel->band];
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+
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txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
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tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
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tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
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@@ -2480,8 +2482,6 @@ struct sk_buff *ieee80211_beacon_get_tim
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txrc.max_rate_idx = -1;
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else
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txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
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- memcpy(txrc.rate_idx_mcs_mask, sdata->rc_rateidx_mcs_mask[band],
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- sizeof(txrc.rate_idx_mcs_mask));
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txrc.bss = true;
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rate_control_get_rate(sdata, NULL, &txrc);
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--- a/net/mac80211/rate.c
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+++ b/net/mac80211/rate.c
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@@ -461,9 +461,12 @@ void rate_control_get_rate(struct ieee80
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* the common case.
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*/
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mask = sdata->rc_rateidx_mask[info->band];
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- memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
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- sizeof(mcs_mask));
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- if (mask != (1 << txrc->sband->n_bitrates) - 1) {
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+ if (mask != (1 << txrc->sband->n_bitrates) - 1 || txrc->rate_idx_mcs_mask) {
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+ if (txrc->rate_idx_mcs_mask)
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+ memcpy(mcs_mask, txrc->rate_idx_mcs_mask, sizeof(mcs_mask));
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+ else
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+ memset(mcs_mask, 0xff, sizeof(mcs_mask));
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+
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if (sta) {
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/* Filter out rates that the STA does not support */
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mask &= sta->sta.supp_rates[info->band];
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