summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/tx.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c194
1 files changed, 78 insertions, 116 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index f67afb66ef2b..ac2cf1b8ce23 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2025 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@@ -148,7 +148,7 @@ out:
* Sets most of the Tx cmd's fields
*/
void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
- struct iwl_tx_cmd *tx_cmd,
+ struct iwl_tx_cmd_v6 *tx_cmd,
struct ieee80211_tx_info *info, u8 sta_id)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
@@ -283,14 +283,10 @@ static u32 iwl_mvm_convert_rate_idx(struct iwl_mvm *mvm,
(rate_idx <= IWL_LAST_CCK_RATE);
/* Set CCK or OFDM flag */
- if (iwl_fw_lookup_cmd_ver(mvm->fw, 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;
- }
+ if (!is_cck)
+ rate_flags |= RATE_MCS_MOD_TYPE_LEGACY_OFDM;
+ else
+ rate_flags |= RATE_MCS_MOD_TYPE_CCK;
return (u32)rate_plcp | rate_flags;
}
@@ -303,45 +299,35 @@ static u32 iwl_mvm_get_inject_tx_rate(struct iwl_mvm *mvm,
struct ieee80211_tx_rate *rate = &info->control.rates[0];
u32 result;
- /*
- * we only care about legacy/HT/VHT so far, so we can
- * build in v1 and use iwl_new_rate_from_v1()
- */
-
if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
u8 mcs = ieee80211_rate_get_vht_mcs(rate);
u8 nss = ieee80211_rate_get_vht_nss(rate);
- result = RATE_MCS_VHT_MSK_V1;
+ result = RATE_MCS_MOD_TYPE_VHT;
result |= u32_encode_bits(mcs, RATE_VHT_MCS_RATE_CODE_MSK);
result |= u32_encode_bits(nss, RATE_MCS_NSS_MSK);
if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
- result |= RATE_MCS_SGI_MSK_V1;
+ result |= RATE_MCS_SGI_MSK;
if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- result |= u32_encode_bits(1, RATE_MCS_CHAN_WIDTH_MSK_V1);
+ result |= RATE_MCS_CHAN_WIDTH_40;
else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
- result |= u32_encode_bits(2, RATE_MCS_CHAN_WIDTH_MSK_V1);
+ result |= RATE_MCS_CHAN_WIDTH_80;
else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
- result |= u32_encode_bits(3, RATE_MCS_CHAN_WIDTH_MSK_V1);
-
- if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) > 6)
- result = iwl_new_rate_from_v1(result);
+ result |= RATE_MCS_CHAN_WIDTH_160;
} else if (rate->flags & IEEE80211_TX_RC_MCS) {
- result = RATE_MCS_HT_MSK_V1;
- result |= u32_encode_bits(rate->idx,
- RATE_HT_MCS_RATE_CODE_MSK_V1 |
- RATE_HT_MCS_NSS_MSK_V1);
+ result = RATE_MCS_MOD_TYPE_HT;
+ result |= u32_encode_bits(rate->idx & 0x7,
+ RATE_HT_MCS_CODE_MSK);
+ result |= u32_encode_bits(rate->idx >> 3,
+ RATE_MCS_NSS_MSK);
if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
- result |= RATE_MCS_SGI_MSK_V1;
+ result |= RATE_MCS_SGI_MSK;
if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- result |= u32_encode_bits(1, RATE_MCS_CHAN_WIDTH_MSK_V1);
+ result |= RATE_MCS_CHAN_WIDTH_40;
if (info->flags & IEEE80211_TX_CTL_LDPC)
- result |= RATE_MCS_LDPC_MSK_V1;
+ result |= RATE_MCS_LDPC_MSK;
if (u32_get_bits(info->flags, IEEE80211_TX_CTL_STBC))
result |= RATE_MCS_STBC_MSK;
-
- if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) > 6)
- result = iwl_new_rate_from_v1(result);
} else {
int rate_idx = info->control.rates[0].idx;
@@ -391,21 +377,25 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mvm,
return iwl_mvm_convert_rate_idx(mvm, info, rate_idx);
}
-static u32 iwl_mvm_get_tx_rate_n_flags(struct iwl_mvm *mvm,
- struct ieee80211_tx_info *info,
- struct ieee80211_sta *sta, __le16 fc)
+static __le32 iwl_mvm_get_tx_rate_n_flags(struct iwl_mvm *mvm,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta, __le16 fc)
{
+ u32 rate;
+
if (unlikely(info->control.flags & IEEE80211_TX_CTRL_RATE_INJECT))
- return iwl_mvm_get_inject_tx_rate(mvm, info, sta, fc);
+ rate = iwl_mvm_get_inject_tx_rate(mvm, info, sta, fc);
+ else
+ rate = iwl_mvm_get_tx_rate(mvm, info, sta, fc) |
+ iwl_mvm_get_tx_ant(mvm, info, sta, fc);
- return iwl_mvm_get_tx_rate(mvm, info, sta, fc) |
- iwl_mvm_get_tx_ant(mvm, info, sta, fc);
+ return iwl_mvm_v3_rate_to_fw(rate, mvm->fw_rates_ver);
}
/*
* Sets the fields in the Tx cmd that are rate related
*/
-void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
+void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd_v6 *tx_cmd,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta, __le16 fc)
{
@@ -443,8 +433,7 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
}
/* Set the rate in the TX cmd */
- tx_cmd->rate_n_flags =
- cpu_to_le32(iwl_mvm_get_tx_rate_n_flags(mvm, info, sta, fc));
+ tx_cmd->rate_n_flags = iwl_mvm_get_tx_rate_n_flags(mvm, info, sta, fc);
}
static inline void iwl_mvm_set_tx_cmd_pn(struct ieee80211_tx_info *info,
@@ -469,7 +458,7 @@ static inline void iwl_mvm_set_tx_cmd_pn(struct ieee80211_tx_info *info,
*/
static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
struct ieee80211_tx_info *info,
- struct iwl_tx_cmd *tx_cmd,
+ struct iwl_tx_cmd_v6 *tx_cmd,
struct sk_buff *skb_frag,
int hdrlen)
{
@@ -543,7 +532,7 @@ static bool iwl_mvm_use_host_rate(struct iwl_mvm *mvm,
* (since we don't necesarily know the link), but FW rate
* selection was fixed.
*/
- return mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ;
+ return mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_BZ;
}
static void iwl_mvm_copy_hdr(void *cmd, const void *hdr, int hdrlen,
@@ -567,7 +556,7 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct iwl_device_tx_cmd *dev_cmd;
- struct iwl_tx_cmd *tx_cmd;
+ struct iwl_tx_cmd_v6 *tx_cmd;
dev_cmd = iwl_trans_alloc_tx_cmd(mvm->trans);
@@ -577,7 +566,7 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
dev_cmd->hdr.cmd = TX_CMD;
if (iwl_mvm_has_new_tx_api(mvm)) {
- u32 rate_n_flags = 0;
+ __le32 rate_n_flags = 0;
u16 flags = 0;
struct iwl_mvm_sta *mvmsta = sta ?
iwl_mvm_sta_from_mac80211(sta) : NULL;
@@ -609,9 +598,9 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
flags |= IWL_TX_FLAGS_HIGH_PRI;
}
- if (mvm->trans->trans_cfg->device_family >=
+ if (mvm->trans->mac_cfg->device_family >=
IWL_DEVICE_FAMILY_AX210) {
- struct iwl_tx_cmd_gen3 *cmd = (void *)dev_cmd->payload;
+ struct iwl_tx_cmd *cmd = (void *)dev_cmd->payload;
u32 offload_assist = iwl_mvm_tx_csum(mvm, skb,
info, amsdu);
@@ -624,9 +613,9 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
iwl_mvm_copy_hdr(cmd->hdr, hdr, hdrlen, addr3_override);
cmd->flags = cpu_to_le16(flags);
- cmd->rate_n_flags = cpu_to_le32(rate_n_flags);
+ cmd->rate_n_flags = rate_n_flags;
} else {
- struct iwl_tx_cmd_gen2 *cmd = (void *)dev_cmd->payload;
+ struct iwl_tx_cmd_v9 *cmd = (void *)dev_cmd->payload;
u16 offload_assist = iwl_mvm_tx_csum(mvm, skb,
info, amsdu);
@@ -639,12 +628,12 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
iwl_mvm_copy_hdr(cmd->hdr, hdr, hdrlen, addr3_override);
cmd->flags = cpu_to_le32(flags);
- cmd->rate_n_flags = cpu_to_le32(rate_n_flags);
+ cmd->rate_n_flags = rate_n_flags;
}
goto out;
}
- tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload;
+ tx_cmd = (struct iwl_tx_cmd_v6 *)dev_cmd->payload;
if (info->control.hw_key)
iwl_mvm_set_tx_cmd_crypto(mvm, info, tx_cmd, skb, hdrlen);
@@ -1023,7 +1012,7 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
* 1 more for the potential data in the header
*/
if ((num_subframes * 2 + skb_shinfo(skb)->nr_frags + 1) >
- mvm->trans->max_skb_frags)
+ mvm->trans->info.max_skb_frags)
num_subframes = 1;
if (num_subframes > 1)
@@ -1185,7 +1174,7 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
seq_number &= IEEE80211_SCTL_SEQ;
if (!iwl_mvm_has_new_tx_api(mvm)) {
- struct iwl_tx_cmd *tx_cmd = (void *)dev_cmd->payload;
+ struct iwl_tx_cmd_v6 *tx_cmd = (void *)dev_cmd->payload;
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
hdr->seq_ctrl |= cpu_to_le16(seq_number);
@@ -1372,8 +1361,7 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
lockdep_assert_held(&mvmsta->lock);
- if ((tid_data->state == IWL_AGG_ON ||
- tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA) &&
+ if (tid_data->state == IWL_AGG_ON &&
iwl_mvm_tid_queued(mvm, tid_data) == 0) {
/*
* Now that this aggregation or DQA queue is empty tell
@@ -1388,7 +1376,7 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
* to align the wrap around of ssn so we compare relevant values.
*/
normalized_ssn = tid_data->ssn;
- if (mvm->trans->trans_cfg->gen2)
+ if (mvm->trans->mac_cfg->gen2)
normalized_ssn &= 0xff;
if (normalized_ssn != tid_data->next_reclaimed)
@@ -1402,15 +1390,6 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
tid_data->state = IWL_AGG_STARTING;
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
-
- case IWL_EMPTYING_HW_QUEUE_DELBA:
- IWL_DEBUG_TX_QUEUES(mvm,
- "Can continue DELBA flow ssn = next_recl = %d\n",
- tid_data->next_reclaimed);
- tid_data->state = IWL_AGG_OFF;
- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
-
default:
break;
}
@@ -1477,7 +1456,7 @@ void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
struct ieee80211_tx_rate *r)
{
u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
- u32 rate = format == RATE_MCS_HT_MSK ?
+ u32 rate = format == RATE_MCS_MOD_TYPE_HT ?
RATE_HT_MCS_INDEX(rate_n_flags) :
rate_n_flags & RATE_MCS_CODE_MSK;
@@ -1487,68 +1466,51 @@ void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
if (rate_n_flags & RATE_MCS_SGI_MSK)
r->flags |= IEEE80211_TX_RC_SHORT_GI;
- if (format == RATE_MCS_HT_MSK) {
+ switch (format) {
+ case RATE_MCS_MOD_TYPE_HT:
r->flags |= IEEE80211_TX_RC_MCS;
r->idx = rate;
- } else if (format == RATE_MCS_VHT_MSK) {
+ break;
+ case RATE_MCS_MOD_TYPE_VHT:
ieee80211_rate_set_vht(r, rate,
FIELD_GET(RATE_MCS_NSS_MSK,
rate_n_flags) + 1);
r->flags |= IEEE80211_TX_RC_VHT_MCS;
- } else if (format == RATE_MCS_HE_MSK) {
+ break;
+ case RATE_MCS_MOD_TYPE_HE:
+ case RATE_MCS_MOD_TYPE_EHT:
/* mac80211 cannot do this without ieee80211_tx_status_ext()
* but it only matters for radiotap */
r->idx = 0;
- } else {
+ break;
+ default:
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,
- FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags) + 1);
- r->flags |= IEEE80211_TX_RC_VHT_MCS;
- } else {
- r->idx = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags,
- band);
- }
-}
-
/*
* translate ucode response to mac80211 tx status control values
*/
-static void iwl_mvm_hwrate_to_tx_status(const struct iwl_fw *fw,
- u32 rate_n_flags,
+static void iwl_mvm_hwrate_to_tx_status(struct iwl_mvm *mvm,
+ __le32 rate_n_flags,
struct ieee80211_tx_info *info)
{
struct ieee80211_tx_rate *r = &info->status.rates[0];
+ u32 rate;
- if (iwl_fw_lookup_notif_ver(fw, LONG_GROUP,
- TX_CMD, 0) <= 6)
- rate_n_flags = iwl_new_rate_from_v1(rate_n_flags);
+ /*
+ * Technically this conversion is incorrect for BA status, however:
+ * - we only use the BA notif data for older firmware that have
+ * host rate scaling and don't use newer rate formats
+ * - the firmware API changed together for BA notif and TX CMD
+ * as well
+ */
+ rate = iwl_mvm_v3_rate_from_fw(rate_n_flags, mvm->fw_rates_ver);
info->status.antenna =
- ((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS);
- iwl_mvm_hwrate_to_tx_rate(rate_n_flags,
- info->band, r);
+ ((rate & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS);
+ iwl_mvm_hwrate_to_tx_rate(rate, info->band, r);
}
static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
@@ -1613,7 +1575,7 @@ static inline u32 iwl_mvm_get_scd_ssn(struct iwl_mvm *mvm,
u32 val = le32_to_cpup((__le32 *)iwl_mvm_get_agg_status(mvm, tx_resp) +
tx_resp->frame_count);
- if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
+ if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
return val & 0xFFFF;
return val & 0xFFF;
}
@@ -1700,9 +1662,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
info->status.rates[0].count = tx_resp->failure_frame + 1;
- iwl_mvm_hwrate_to_tx_status(mvm->fw,
- le32_to_cpu(tx_resp->initial_rate),
- info);
+ iwl_mvm_hwrate_to_tx_status(mvm, 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
@@ -1944,7 +1904,7 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm,
if (!WARN_ON_ONCE(!mvmsta)) {
mvmsta->tid_data[tid].rate_n_flags =
- le32_to_cpu(tx_resp->initial_rate);
+ tx_resp->initial_rate;
mvmsta->tid_data[tid].tx_time =
le16_to_cpu(tx_resp->wireless_media_time);
mvmsta->tid_data[tid].lq_color =
@@ -1969,7 +1929,7 @@ void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
int txq, int index,
- struct ieee80211_tx_info *tx_info, u32 rate,
+ struct ieee80211_tx_info *tx_info, __le32 rate,
bool is_flush)
{
struct sk_buff_head reclaimed_skbs;
@@ -2053,7 +2013,9 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
tx_info->status.status_driver_data[0] =
RS_DRV_DATA_PACK(tid_data->lq_color,
tx_info->status.status_driver_data[0]);
- tx_info->status.status_driver_data[1] = (void *)(uintptr_t)rate;
+ /* the value is only consumed for old FW that has v1 rates anyway */
+ tx_info->status.status_driver_data[1] =
+ (void *)(uintptr_t)le32_to_cpu(rate);
skb_queue_walk(&reclaimed_skbs, skb) {
struct ieee80211_hdr *hdr = (void *)skb->data;
@@ -2072,7 +2034,7 @@ 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(mvm->fw, rate, info);
+ iwl_mvm_hwrate_to_tx_status(mvm, rate, info);
}
}
@@ -2095,7 +2057,7 @@ 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(mvm->fw, rate, tx_info);
+ iwl_mvm_hwrate_to_tx_status(mvm, rate, tx_info);
IWL_DEBUG_TX_REPLY(mvm, "No reclaim. Update rs directly\n");
iwl_mvm_rs_tx_status(mvm, sta, tid, tx_info, false);
@@ -2184,7 +2146,7 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
(int)(le16_to_cpu(ba_tfd->q_num)),
le16_to_cpu(ba_tfd->tfd_index),
&ba_info,
- le32_to_cpu(ba_res->tx_rate), false);
+ ba_res->tx_rate, false);
}
if (mvmsta) {