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Commit 04e1cabe authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by John W. Linville
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iwlagn: move reclaim related functions 

Now that the reclaim flow has been moved to the transport layer, a lot of
functions can be made static or don't need to be exported outside the transport
layer.
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent a0eaad71
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Showing with 200 additions and 231 deletions
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View file @ 04e1cabe
......@@ -42,184 +42,6 @@
#include "iwl-trans.h"
#include "iwl-shared.h"
static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status)
{
status &= TX_STATUS_MSK;
switch (status) {
case TX_STATUS_POSTPONE_DELAY:
priv->reply_tx_stats.pp_delay++;
break;
case TX_STATUS_POSTPONE_FEW_BYTES:
priv->reply_tx_stats.pp_few_bytes++;
break;
case TX_STATUS_POSTPONE_BT_PRIO:
priv->reply_tx_stats.pp_bt_prio++;
break;
case TX_STATUS_POSTPONE_QUIET_PERIOD:
priv->reply_tx_stats.pp_quiet_period++;
break;
case TX_STATUS_POSTPONE_CALC_TTAK:
priv->reply_tx_stats.pp_calc_ttak++;
break;
case TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY:
priv->reply_tx_stats.int_crossed_retry++;
break;
case TX_STATUS_FAIL_SHORT_LIMIT:
priv->reply_tx_stats.short_limit++;
break;
case TX_STATUS_FAIL_LONG_LIMIT:
priv->reply_tx_stats.long_limit++;
break;
case TX_STATUS_FAIL_FIFO_UNDERRUN:
priv->reply_tx_stats.fifo_underrun++;
break;
case TX_STATUS_FAIL_DRAIN_FLOW:
priv->reply_tx_stats.drain_flow++;
break;
case TX_STATUS_FAIL_RFKILL_FLUSH:
priv->reply_tx_stats.rfkill_flush++;
break;
case TX_STATUS_FAIL_LIFE_EXPIRE:
priv->reply_tx_stats.life_expire++;
break;
case TX_STATUS_FAIL_DEST_PS:
priv->reply_tx_stats.dest_ps++;
break;
case TX_STATUS_FAIL_HOST_ABORTED:
priv->reply_tx_stats.host_abort++;
break;
case TX_STATUS_FAIL_BT_RETRY:
priv->reply_tx_stats.bt_retry++;
break;
case TX_STATUS_FAIL_STA_INVALID:
priv->reply_tx_stats.sta_invalid++;
break;
case TX_STATUS_FAIL_FRAG_DROPPED:
priv->reply_tx_stats.frag_drop++;
break;
case TX_STATUS_FAIL_TID_DISABLE:
priv->reply_tx_stats.tid_disable++;
break;
case TX_STATUS_FAIL_FIFO_FLUSHED:
priv->reply_tx_stats.fifo_flush++;
break;
case TX_STATUS_FAIL_INSUFFICIENT_CF_POLL:
priv->reply_tx_stats.insuff_cf_poll++;
break;
case TX_STATUS_FAIL_PASSIVE_NO_RX:
priv->reply_tx_stats.fail_hw_drop++;
break;
case TX_STATUS_FAIL_NO_BEACON_ON_RADAR:
priv->reply_tx_stats.sta_color_mismatch++;
break;
default:
priv->reply_tx_stats.unknown++;
break;
}
}
void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status)
{
status &= AGG_TX_STATUS_MSK;
switch (status) {
case AGG_TX_STATE_UNDERRUN_MSK:
priv->reply_agg_tx_stats.underrun++;
break;
case AGG_TX_STATE_BT_PRIO_MSK:
priv->reply_agg_tx_stats.bt_prio++;
break;
case AGG_TX_STATE_FEW_BYTES_MSK:
priv->reply_agg_tx_stats.few_bytes++;
break;
case AGG_TX_STATE_ABORT_MSK:
priv->reply_agg_tx_stats.abort++;
break;
case AGG_TX_STATE_LAST_SENT_TTL_MSK:
priv->reply_agg_tx_stats.last_sent_ttl++;
break;
case AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK:
priv->reply_agg_tx_stats.last_sent_try++;
break;
case AGG_TX_STATE_LAST_SENT_BT_KILL_MSK:
priv->reply_agg_tx_stats.last_sent_bt_kill++;
break;
case AGG_TX_STATE_SCD_QUERY_MSK:
priv->reply_agg_tx_stats.scd_query++;
break;
case AGG_TX_STATE_TEST_BAD_CRC32_MSK:
priv->reply_agg_tx_stats.bad_crc32++;
break;
case AGG_TX_STATE_RESPONSE_MSK:
priv->reply_agg_tx_stats.response++;
break;
case AGG_TX_STATE_DUMP_TX_MSK:
priv->reply_agg_tx_stats.dump_tx++;
break;
case AGG_TX_STATE_DELAY_TX_MSK:
priv->reply_agg_tx_stats.delay_tx++;
break;
default:
priv->reply_agg_tx_stats.unknown++;
break;
}
}
void iwlagn_set_tx_status(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
struct iwlagn_tx_resp *tx_resp,
bool is_agg)
{
u16 status = le16_to_cpu(tx_resp->status.status);
info->status.rates[0].count = tx_resp->failure_frame + 1;
if (is_agg)
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_tx_status_to_mac80211(status);
iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
info);
if (!iwl_is_tx_success(status))
iwlagn_count_tx_err_status(priv, status);
}
#ifdef CONFIG_IWLWIFI_DEBUG
#define AGG_TX_STATE_FAIL(x) case AGG_TX_STATE_ ## x: return #x
const char *iwl_get_agg_tx_fail_reason(u16 status)
{
status &= AGG_TX_STATUS_MSK;
switch (status) {
case AGG_TX_STATE_TRANSMITTED:
return "SUCCESS";
AGG_TX_STATE_FAIL(UNDERRUN_MSK);
AGG_TX_STATE_FAIL(BT_PRIO_MSK);
AGG_TX_STATE_FAIL(FEW_BYTES_MSK);
AGG_TX_STATE_FAIL(ABORT_MSK);
AGG_TX_STATE_FAIL(LAST_SENT_TTL_MSK);
AGG_TX_STATE_FAIL(LAST_SENT_TRY_CNT_MSK);
AGG_TX_STATE_FAIL(LAST_SENT_BT_KILL_MSK);
AGG_TX_STATE_FAIL(SCD_QUERY_MSK);
AGG_TX_STATE_FAIL(TEST_BAD_CRC32_MSK);
AGG_TX_STATE_FAIL(RESPONSE_MSK);
AGG_TX_STATE_FAIL(DUMP_TX_MSK);
AGG_TX_STATE_FAIL(DELAY_TX_MSK);
}
return "UNKNOWN";
}
#endif /* CONFIG_IWLWIFI_DEBUG */
void iwl_check_abort_status(struct iwl_priv *priv,
u8 frame_count, u32 status)
{
if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) {
IWL_ERR(priv, "Tx flush command to flush out all frames\n");
if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
queue_work(priv->shrd->workqueue, &priv->tx_flush);
}
}
int iwlagn_hw_valid_rtc_data_addr(u32 addr)
{
return (addr >= IWLAGN_RTC_DATA_LOWER_BOUND) &&
......@@ -812,21 +634,6 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
vif->bss_conf.bssid);
}
void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed)
{
lockdep_assert_held(&priv->shrd->sta_lock);
if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
else {
IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n",
priv->stations[sta_id].tid[tid].tfds_in_queue,
freed);
priv->stations[sta_id].tid[tid].tfds_in_queue = 0;
}
}
#define IWL_FLUSH_WAIT_MS 2000
int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv)
......
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View file @ 04e1cabe
......@@ -638,7 +638,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
return 0;
}
int iwlagn_txq_check_empty(struct iwl_priv *priv,
static int iwlagn_txq_check_empty(struct iwl_priv *priv,
int sta_id, u8 tid, int txq_id)
{
struct iwl_queue *q = &priv->txq[txq_id].q;
......@@ -700,7 +700,7 @@ static void iwlagn_non_agg_tx_status(struct iwl_priv *priv,
/**
* translate ucode response to mac80211 tx status control values
*/
void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
static void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *info)
{
struct ieee80211_tx_rate *r = &info->control.rates[0];
......@@ -760,6 +760,53 @@ const char *iwl_get_tx_fail_reason(u32 status)
}
#endif /* CONFIG_IWLWIFI_DEBUG */
static void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status)
{
status &= AGG_TX_STATUS_MSK;
switch (status) {
case AGG_TX_STATE_UNDERRUN_MSK:
priv->reply_agg_tx_stats.underrun++;
break;
case AGG_TX_STATE_BT_PRIO_MSK:
priv->reply_agg_tx_stats.bt_prio++;
break;
case AGG_TX_STATE_FEW_BYTES_MSK:
priv->reply_agg_tx_stats.few_bytes++;
break;
case AGG_TX_STATE_ABORT_MSK:
priv->reply_agg_tx_stats.abort++;
break;
case AGG_TX_STATE_LAST_SENT_TTL_MSK:
priv->reply_agg_tx_stats.last_sent_ttl++;
break;
case AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK:
priv->reply_agg_tx_stats.last_sent_try++;
break;
case AGG_TX_STATE_LAST_SENT_BT_KILL_MSK:
priv->reply_agg_tx_stats.last_sent_bt_kill++;
break;
case AGG_TX_STATE_SCD_QUERY_MSK:
priv->reply_agg_tx_stats.scd_query++;
break;
case AGG_TX_STATE_TEST_BAD_CRC32_MSK:
priv->reply_agg_tx_stats.bad_crc32++;
break;
case AGG_TX_STATE_RESPONSE_MSK:
priv->reply_agg_tx_stats.response++;
break;
case AGG_TX_STATE_DUMP_TX_MSK:
priv->reply_agg_tx_stats.dump_tx++;
break;
case AGG_TX_STATE_DELAY_TX_MSK:
priv->reply_agg_tx_stats.delay_tx++;
break;
default:
priv->reply_agg_tx_stats.unknown++;
break;
}
}
static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
struct iwlagn_tx_resp *tx_resp)
{
......@@ -808,12 +855,158 @@ static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
}
}
#ifdef CONFIG_IWLWIFI_DEBUG
#define AGG_TX_STATE_FAIL(x) case AGG_TX_STATE_ ## x: return #x
const char *iwl_get_agg_tx_fail_reason(u16 status)
{
status &= AGG_TX_STATUS_MSK;
switch (status) {
case AGG_TX_STATE_TRANSMITTED:
return "SUCCESS";
AGG_TX_STATE_FAIL(UNDERRUN_MSK);
AGG_TX_STATE_FAIL(BT_PRIO_MSK);
AGG_TX_STATE_FAIL(FEW_BYTES_MSK);
AGG_TX_STATE_FAIL(ABORT_MSK);
AGG_TX_STATE_FAIL(LAST_SENT_TTL_MSK);
AGG_TX_STATE_FAIL(LAST_SENT_TRY_CNT_MSK);
AGG_TX_STATE_FAIL(LAST_SENT_BT_KILL_MSK);
AGG_TX_STATE_FAIL(SCD_QUERY_MSK);
AGG_TX_STATE_FAIL(TEST_BAD_CRC32_MSK);
AGG_TX_STATE_FAIL(RESPONSE_MSK);
AGG_TX_STATE_FAIL(DUMP_TX_MSK);
AGG_TX_STATE_FAIL(DELAY_TX_MSK);
}
return "UNKNOWN";
}
#endif /* CONFIG_IWLWIFI_DEBUG */
static inline u32 iwlagn_get_scd_ssn(struct iwlagn_tx_resp *tx_resp)
{
return le32_to_cpup((__le32 *)&tx_resp->status +
tx_resp->frame_count) & MAX_SN;
}
static void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed)
{
lockdep_assert_held(&priv->shrd->sta_lock);
if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
else {
IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n",
priv->stations[sta_id].tid[tid].tfds_in_queue,
freed);
priv->stations[sta_id].tid[tid].tfds_in_queue = 0;
}
}
static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status)
{
status &= TX_STATUS_MSK;
switch (status) {
case TX_STATUS_POSTPONE_DELAY:
priv->reply_tx_stats.pp_delay++;
break;
case TX_STATUS_POSTPONE_FEW_BYTES:
priv->reply_tx_stats.pp_few_bytes++;
break;
case TX_STATUS_POSTPONE_BT_PRIO:
priv->reply_tx_stats.pp_bt_prio++;
break;
case TX_STATUS_POSTPONE_QUIET_PERIOD:
priv->reply_tx_stats.pp_quiet_period++;
break;
case TX_STATUS_POSTPONE_CALC_TTAK:
priv->reply_tx_stats.pp_calc_ttak++;
break;
case TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY:
priv->reply_tx_stats.int_crossed_retry++;
break;
case TX_STATUS_FAIL_SHORT_LIMIT:
priv->reply_tx_stats.short_limit++;
break;
case TX_STATUS_FAIL_LONG_LIMIT:
priv->reply_tx_stats.long_limit++;
break;
case TX_STATUS_FAIL_FIFO_UNDERRUN:
priv->reply_tx_stats.fifo_underrun++;
break;
case TX_STATUS_FAIL_DRAIN_FLOW:
priv->reply_tx_stats.drain_flow++;
break;
case TX_STATUS_FAIL_RFKILL_FLUSH:
priv->reply_tx_stats.rfkill_flush++;
break;
case TX_STATUS_FAIL_LIFE_EXPIRE:
priv->reply_tx_stats.life_expire++;
break;
case TX_STATUS_FAIL_DEST_PS:
priv->reply_tx_stats.dest_ps++;
break;
case TX_STATUS_FAIL_HOST_ABORTED:
priv->reply_tx_stats.host_abort++;
break;
case TX_STATUS_FAIL_BT_RETRY:
priv->reply_tx_stats.bt_retry++;
break;
case TX_STATUS_FAIL_STA_INVALID:
priv->reply_tx_stats.sta_invalid++;
break;
case TX_STATUS_FAIL_FRAG_DROPPED:
priv->reply_tx_stats.frag_drop++;
break;
case TX_STATUS_FAIL_TID_DISABLE:
priv->reply_tx_stats.tid_disable++;
break;
case TX_STATUS_FAIL_FIFO_FLUSHED:
priv->reply_tx_stats.fifo_flush++;
break;
case TX_STATUS_FAIL_INSUFFICIENT_CF_POLL:
priv->reply_tx_stats.insuff_cf_poll++;
break;
case TX_STATUS_FAIL_PASSIVE_NO_RX:
priv->reply_tx_stats.fail_hw_drop++;
break;
case TX_STATUS_FAIL_NO_BEACON_ON_RADAR:
priv->reply_tx_stats.sta_color_mismatch++;
break;
default:
priv->reply_tx_stats.unknown++;
break;
}
}
static void iwlagn_set_tx_status(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
struct iwlagn_tx_resp *tx_resp,
bool is_agg)
{
u16 status = le16_to_cpu(tx_resp->status.status);
info->status.rates[0].count = tx_resp->failure_frame + 1;
if (is_agg)
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_tx_status_to_mac80211(status);
iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
info);
if (!iwl_is_tx_success(status))
iwlagn_count_tx_err_status(priv, status);
}
static void iwl_check_abort_status(struct iwl_priv *priv,
u8 frame_count, u32 status)
{
if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) {
IWL_ERR(priv, "Tx flush command to flush out all frames\n");
if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
queue_work(priv->shrd->workqueue, &priv->tx_flush);
}
}
void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
......
drivers/net/wireless/iwlwifi/iwl-agn.h
View file @ 04e1cabe
......@@ -121,10 +121,6 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
hdr->data_valid = 1;
}
/* tx queue */
void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed);
/* RXON */
int iwlagn_set_pan_params(struct iwl_priv *priv);
int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
......@@ -146,13 +142,6 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
enum iwlagn_ucode_type ucode_type);
/* lib */
void iwlagn_set_tx_status(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
struct iwlagn_tx_resp *tx_resp,
bool is_agg);
void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status);
void iwl_check_abort_status(struct iwl_priv *priv,
u8 frame_count, u32 status);
int iwlagn_hw_valid_rtc_data_addr(u32 addr);
int iwlagn_send_tx_power(struct iwl_priv *priv);
void iwlagn_temperature(struct iwl_priv *priv);
......@@ -169,22 +158,14 @@ void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
/* tx */
void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq,
int index);
void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *info);
int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid);
int iwlagn_txq_check_empty(struct iwl_priv *priv,
int sta_id, u8 tid, int txq_id);
void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
void iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs);
static inline u32 iwl_tx_status_to_mac80211(u32 status)
{
......
drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
View file @ 04e1cabe
......@@ -136,8 +136,6 @@ irqreturn_t iwl_isr_ict(int irq, void *data);
* TX / HCMD
******************************************************/
void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq,
int index);
int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv,
struct iwl_tx_queue *txq,
dma_addr_t addr, u16 len, u8 reset);
......@@ -159,6 +157,10 @@ void iwl_trans_tx_queue_set_status(struct iwl_priv *priv,
int tx_fifo_id, int scd_retry);
void iwl_trans_pcie_txq_agg_setup(struct iwl_priv *priv, int sta_id, int tid,
int frame_limit);
void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq,
int index);
void iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs);
/*****************************************************
* Error handling
......
drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
View file @ 04e1cabe
......@@ -332,13 +332,7 @@ int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q,
return 0;
}
/*TODO: this functions should NOT be exported from trans module - export it
* until the reclaim flow will be brought to the transport module too.
* Add a declaration to make sparse happy */
void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq);
void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
static void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq)
{
struct iwlagn_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
......@@ -1042,7 +1036,6 @@ int iwl_trans_pcie_send_cmd_pdu(struct iwl_priv *priv, u8 id, u32 flags,
/* Frees buffers until index _not_ inclusive */
void iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs)
{
struct iwl_tx_queue *txq = &priv(trans)->txq[txq_id];
struct iwl_queue *q = &txq->q;
......
drivers/net/wireless/iwlwifi/iwl-trans.h
View file @ 04e1cabe
......@@ -272,11 +272,4 @@ static inline int iwl_trans_resume(struct iwl_trans *trans)
******************************************************/
extern const struct iwl_trans_ops trans_ops_pcie;
/*TODO: this functions should NOT be exported from trans module - export it
* until the reclaim flow will be brought to the transport module too */
struct iwl_tx_queue;
void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq);
#endif /* __iwl_trans_h__ */
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