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path: root/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/tx.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c117
1 files changed, 90 insertions, 27 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 0a13c2bda2ee..bdd4ee432548 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -268,6 +268,7 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mvm,
int rate_idx = -1;
u8 rate_plcp;
u32 rate_flags = 0;
+ bool is_cck;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
/* info->control is only relevant for non HW rate control */
@@ -299,11 +300,18 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mvm,
BUILD_BUG_ON(IWL_FIRST_CCK_RATE != 0);
/* Get PLCP rate for tx_cmd->rate_n_flags */
- rate_plcp = iwl_mvm_mac80211_idx_to_hwrate(rate_idx);
+ rate_plcp = iwl_mvm_mac80211_idx_to_hwrate(mvm->fw, rate_idx);
+ is_cck = (rate_idx >= IWL_FIRST_CCK_RATE) && (rate_idx <= IWL_LAST_CCK_RATE);
- /* Set CCK flag as needed */
- if ((rate_idx >= IWL_FIRST_CCK_RATE) && (rate_idx <= IWL_LAST_CCK_RATE))
- rate_flags |= RATE_MCS_CCK_MSK;
+ /* Set CCK or OFDM flag */
+ if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) > 8) {
+ if (!is_cck)
+ rate_flags |= RATE_MCS_LEGACY_OFDM_MSK;
+ else
+ rate_flags |= RATE_MCS_CCK_MSK;
+ } else if (is_cck) {
+ rate_flags |= RATE_MCS_CCK_MSK_V1;
+ }
return (u32)rate_plcp | rate_flags;
}
@@ -1284,31 +1292,72 @@ const char *iwl_mvm_get_tx_fail_reason(u32 status)
}
#endif /* CONFIG_IWLWIFI_DEBUG */
-void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
- enum nl80211_band band,
- struct ieee80211_tx_rate *r)
+static int iwl_mvm_get_hwrate_chan_width(u32 chan_width)
{
- if (rate_n_flags & RATE_HT_MCS_GF_MSK)
- r->flags |= IEEE80211_TX_RC_GREEN_FIELD;
- switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
+ switch (chan_width) {
case RATE_MCS_CHAN_WIDTH_20:
- break;
+ return 0;
case RATE_MCS_CHAN_WIDTH_40:
- r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
- break;
+ return IEEE80211_TX_RC_40_MHZ_WIDTH;
case RATE_MCS_CHAN_WIDTH_80:
- r->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
- break;
+ return IEEE80211_TX_RC_80_MHZ_WIDTH;
case RATE_MCS_CHAN_WIDTH_160:
- r->flags |= IEEE80211_TX_RC_160_MHZ_WIDTH;
- break;
+ return IEEE80211_TX_RC_160_MHZ_WIDTH;
+ default:
+ return 0;
}
+}
+
+void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
+ enum nl80211_band band,
+ struct ieee80211_tx_rate *r)
+{
+ u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
+ u32 rate = format == RATE_MCS_HT_MSK ?
+ RATE_HT_MCS_INDEX(rate_n_flags) :
+ rate_n_flags & RATE_MCS_CODE_MSK;
+
+ r->flags |=
+ iwl_mvm_get_hwrate_chan_width(rate_n_flags &
+ RATE_MCS_CHAN_WIDTH_MSK);
+
if (rate_n_flags & RATE_MCS_SGI_MSK)
r->flags |= IEEE80211_TX_RC_SHORT_GI;
- if (rate_n_flags & RATE_MCS_HT_MSK) {
+ if (format == RATE_MCS_HT_MSK) {
r->flags |= IEEE80211_TX_RC_MCS;
- r->idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK;
- } else if (rate_n_flags & RATE_MCS_VHT_MSK) {
+ r->idx = rate;
+ } else if (format == RATE_MCS_VHT_MSK) {
+ ieee80211_rate_set_vht(r, rate,
+ ((rate_n_flags & RATE_MCS_NSS_MSK) >>
+ RATE_MCS_NSS_POS) + 1);
+ r->flags |= IEEE80211_TX_RC_VHT_MCS;
+ } else if (format == RATE_MCS_HE_MSK) {
+ /* mac80211 cannot do this without ieee80211_tx_status_ext()
+ * but it only matters for radiotap */
+ r->idx = 0;
+ } else {
+ r->idx = iwl_mvm_legacy_hw_idx_to_mac80211_idx(rate_n_flags,
+ band);
+ }
+}
+
+void iwl_mvm_hwrate_to_tx_rate_v1(u32 rate_n_flags,
+ enum nl80211_band band,
+ struct ieee80211_tx_rate *r)
+{
+ if (rate_n_flags & RATE_HT_MCS_GF_MSK)
+ r->flags |= IEEE80211_TX_RC_GREEN_FIELD;
+
+ r->flags |=
+ iwl_mvm_get_hwrate_chan_width(rate_n_flags &
+ RATE_MCS_CHAN_WIDTH_MSK_V1);
+
+ if (rate_n_flags & RATE_MCS_SGI_MSK_V1)
+ r->flags |= IEEE80211_TX_RC_SHORT_GI;
+ if (rate_n_flags & RATE_MCS_HT_MSK_V1) {
+ r->flags |= IEEE80211_TX_RC_MCS;
+ r->idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK_V1;
+ } else if (rate_n_flags & RATE_MCS_VHT_MSK_V1) {
ieee80211_rate_set_vht(
r, rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK,
((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >>
@@ -1323,14 +1372,20 @@ void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
/*
* translate ucode response to mac80211 tx status control values
*/
-static void iwl_mvm_hwrate_to_tx_status(u32 rate_n_flags,
+static void iwl_mvm_hwrate_to_tx_status(const struct iwl_fw *fw,
+ u32 rate_n_flags,
struct ieee80211_tx_info *info)
{
struct ieee80211_tx_rate *r = &info->status.rates[0];
+ if (iwl_fw_lookup_notif_ver(fw, LONG_GROUP,
+ TX_CMD, 0) > 6)
+ rate_n_flags = iwl_new_rate_from_v1(rate_n_flags);
+
info->status.antenna =
- ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
- iwl_mvm_hwrate_to_tx_rate(rate_n_flags, info->band, r);
+ ((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS);
+ iwl_mvm_hwrate_to_tx_rate(rate_n_flags,
+ info->band, r);
}
static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
@@ -1450,7 +1505,9 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
/* the FW should have stopped the queue and not
* return this status
*/
- WARN_ON(1);
+ IWL_ERR_LIMIT(mvm,
+ "FW reported TX filtered, status=0x%x, FC=0x%x\n",
+ status, le16_to_cpu(hdr->frame_control));
info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
break;
default:
@@ -1472,8 +1529,14 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
iwl_mvm_tx_status_check_trigger(mvm, status, hdr->frame_control);
info->status.rates[0].count = tx_resp->failure_frame + 1;
- iwl_mvm_hwrate_to_tx_status(le32_to_cpu(tx_resp->initial_rate),
+
+ iwl_mvm_hwrate_to_tx_status(mvm->fw,
+ le32_to_cpu(tx_resp->initial_rate),
info);
+
+ /* Don't assign the converted initial_rate, because driver
+ * TLC uses this and doesn't support the new FW rate
+ */
info->status.status_driver_data[1] =
(void *)(uintptr_t)le32_to_cpu(tx_resp->initial_rate);
@@ -1835,7 +1898,7 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
info->flags |= IEEE80211_TX_STAT_AMPDU;
memcpy(&info->status, &tx_info->status,
sizeof(tx_info->status));
- iwl_mvm_hwrate_to_tx_status(rate, info);
+ iwl_mvm_hwrate_to_tx_status(mvm->fw, rate, info);
}
}
@@ -1856,7 +1919,7 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
goto out;
tx_info->band = chanctx_conf->def.chan->band;
- iwl_mvm_hwrate_to_tx_status(rate, tx_info);
+ iwl_mvm_hwrate_to_tx_status(mvm->fw, rate, tx_info);
if (!iwl_mvm_has_tlc_offload(mvm)) {
IWL_DEBUG_TX_REPLY(mvm,
generated by cgit (git 2.34.1) at 2024-06-04 15:15:38 +0000