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iwlwifi: update tx command response status

Browse Source 
Update to include additional tx command response status for "_agn"
devices.

The following status indicate the transmission was postponed:
  TX_STATUS_POSTPONE_DELAY
  TX_STATUS_POSTPONE_FEW_BYTES
  TX_STATUS_POSTPONE_BT_PRIO
  TX_STATUS_POSTPONE_QUIET_PERIOD
  TX_STATUS_POSTPONE_CALC_TTAK

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Wey-Yi Guy 2010-03-31 17:57:28 -07:00 committed by Reinette Chatre
parent 461ef382fd
commit 04569cbe76
6 changed files with 108 additions and 54 deletions
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4
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -191,12 +191,12 @@ static int iwl3945_hwrate_to_plcp_idx(u8 plcp)
}
#ifdef CONFIG_IWLWIFI_DEBUG
#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
#define TX_STATUS_ENTRY(x) case TX_3945_STATUS_FAIL_ ## x: return #x
static const char *iwl3945_get_tx_fail_reason(u32 status)
{
switch (status & TX_STATUS_MSK) {
case TX_STATUS_SUCCESS:
case TX_3945_STATUS_SUCCESS:
return "SUCCESS";
TX_STATUS_ENTRY(SHORT_LIMIT);
TX_STATUS_ENTRY(LONG_LIMIT);

3
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -2049,8 +2049,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
IWL_ERR(priv, "TODO: Implement Tx ABORT REQUIRED!!!\n");
iwl_check_abort_status(priv, tx_resp->frame_count, status);
}
static int iwl4965_calc_rssi(struct iwl_priv *priv,

11
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View File

@ -161,6 +161,14 @@ static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv,
return 0;
}
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, "TODO: Implement Tx flush command!!!\n");
}
}
static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
@ -246,8 +254,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
IWL_ERR(priv, "TODO: Implement Tx ABORT REQUIRED!!!\n");
iwl_check_abort_status(priv, tx_resp->frame_count, status);
}
void iwlagn_rx_handler_setup(struct iwl_priv *priv)

24
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -105,6 +105,8 @@ void iwlagn_init_alive_start(struct iwl_priv *priv);
int iwlagn_alive_notify(struct iwl_priv *priv);
/* lib */
void iwl_check_abort_status(struct iwl_priv *priv,
u8 frame_count, u32 status);
void iwlagn_rx_handler_setup(struct iwl_priv *priv);
void iwlagn_setup_deferred_work(struct iwl_priv *priv);
int iwlagn_hw_valid_rtc_data_addr(u32 addr);
@ -146,4 +148,26 @@ void iwlagn_hw_txq_ctx_free(struct iwl_priv *priv);
int iwlagn_txq_ctx_reset(struct iwl_priv *priv);
void iwlagn_txq_ctx_stop(struct iwl_priv *priv);
static inline u32 iwl_tx_status_to_mac80211(u32 status)
{
status &= TX_STATUS_MSK;
switch (status) {
case TX_STATUS_SUCCESS:
case TX_STATUS_DIRECT_DONE:
return IEEE80211_TX_STAT_ACK;
case TX_STATUS_FAIL_DEST_PS:
return IEEE80211_TX_STAT_TX_FILTERED;
default:
return 0;
}
}
static inline bool iwl_is_tx_success(u32 status)
{
status &= TX_STATUS_MSK;
return (status == TX_STATUS_SUCCESS) ||
(status == TX_STATUS_DIRECT_DONE);
}
#endif /* __iwl_agn_h__ */

79
drivers/net/wireless/iwlwifi/iwl-commands.h
View File

@ -1662,7 +1662,7 @@ struct iwl_tx_cmd {
struct ieee80211_hdr hdr[0];
} __attribute__ ((packed));
/* TX command response is sent after *all* transmission attempts.
/* TX command response is sent after *3945* transmission attempts.
*
* NOTES:
*
@ -1689,25 +1689,66 @@ struct iwl_tx_cmd {
* command FIFO has been cleared. The host must then deactivate the TX Abort
* control line. Receiving is still allowed in this case.
*/
enum {
TX_3945_STATUS_SUCCESS = 0x01,
TX_3945_STATUS_DIRECT_DONE = 0x02,
TX_3945_STATUS_FAIL_SHORT_LIMIT = 0x82,
TX_3945_STATUS_FAIL_LONG_LIMIT = 0x83,
TX_3945_STATUS_FAIL_FIFO_UNDERRUN = 0x84,
TX_3945_STATUS_FAIL_MGMNT_ABORT = 0x85,
TX_3945_STATUS_FAIL_NEXT_FRAG = 0x86,
TX_3945_STATUS_FAIL_LIFE_EXPIRE = 0x87,
TX_3945_STATUS_FAIL_DEST_PS = 0x88,
TX_3945_STATUS_FAIL_ABORTED = 0x89,
TX_3945_STATUS_FAIL_BT_RETRY = 0x8a,
TX_3945_STATUS_FAIL_STA_INVALID = 0x8b,
TX_3945_STATUS_FAIL_FRAG_DROPPED = 0x8c,
TX_3945_STATUS_FAIL_TID_DISABLE = 0x8d,
TX_3945_STATUS_FAIL_FRAME_FLUSHED = 0x8e,
TX_3945_STATUS_FAIL_INSUFFICIENT_CF_POLL = 0x8f,
TX_3945_STATUS_FAIL_TX_LOCKED = 0x90,
TX_3945_STATUS_FAIL_NO_BEACON_ON_RADAR = 0x91,
};
/*
* TX command response is sent after *agn* transmission attempts.
*
* both postpone and abort status are expected behavior from uCode. there is
* no special operation required from driver; except for RFKILL_FLUSH,
* which required tx flush host command to flush all the tx frames in queues
*/
enum {
TX_STATUS_SUCCESS = 0x01,
TX_STATUS_DIRECT_DONE = 0x02,
/* postpone TX */
TX_STATUS_POSTPONE_DELAY = 0x40,
TX_STATUS_POSTPONE_FEW_BYTES = 0x41,
TX_STATUS_POSTPONE_BT_PRIO = 0x42,
TX_STATUS_POSTPONE_QUIET_PERIOD = 0x43,
TX_STATUS_POSTPONE_CALC_TTAK = 0x44,
/* abort TX */
TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY = 0x81,
TX_STATUS_FAIL_SHORT_LIMIT = 0x82,
TX_STATUS_FAIL_LONG_LIMIT = 0x83,
TX_STATUS_FAIL_FIFO_UNDERRUN = 0x84,
TX_STATUS_FAIL_MGMNT_ABORT = 0x85,
TX_STATUS_FAIL_NEXT_FRAG = 0x86,
TX_STATUS_FAIL_DRAIN_FLOW = 0x85,
TX_STATUS_FAIL_RFKILL_FLUSH = 0x86,
TX_STATUS_FAIL_LIFE_EXPIRE = 0x87,
TX_STATUS_FAIL_DEST_PS = 0x88,
TX_STATUS_FAIL_ABORTED = 0x89,
TX_STATUS_FAIL_HOST_ABORTED = 0x89,
TX_STATUS_FAIL_BT_RETRY = 0x8a,
TX_STATUS_FAIL_STA_INVALID = 0x8b,
TX_STATUS_FAIL_FRAG_DROPPED = 0x8c,
TX_STATUS_FAIL_TID_DISABLE = 0x8d,
TX_STATUS_FAIL_FRAME_FLUSHED = 0x8e,
TX_STATUS_FAIL_FIFO_FLUSHED = 0x8e,
TX_STATUS_FAIL_INSUFFICIENT_CF_POLL = 0x8f,
TX_STATUS_FAIL_TX_LOCKED = 0x90,
TX_STATUS_FAIL_NO_BEACON_ON_RADAR = 0x91,
/* uCode drop due to FW drop request */
TX_STATUS_FAIL_FW_DROP = 0x90,
/*
* uCode drop due to station color mismatch
* between tx command and station table
*/
TX_STATUS_FAIL_STA_COLOR_MISMATCH_DROP = 0x91,
};
#define TX_PACKET_MODE_REGULAR 0x0000
@ -1729,30 +1770,6 @@ enum {
TX_ABORT_REQUIRED_MSK = 0x80000000, /* bits 31:31 */
};
static inline u32 iwl_tx_status_to_mac80211(u32 status)
{
status &= TX_STATUS_MSK;
switch (status) {
case TX_STATUS_SUCCESS:
case TX_STATUS_DIRECT_DONE:
return IEEE80211_TX_STAT_ACK;
case TX_STATUS_FAIL_DEST_PS:
return IEEE80211_TX_STAT_TX_FILTERED;
default:
return 0;
}
}
static inline bool iwl_is_tx_success(u32 status)
{
status &= TX_STATUS_MSK;
return (status == TX_STATUS_SUCCESS) ||
(status == TX_STATUS_DIRECT_DONE);
}
/* *******************************
* TX aggregation status
******************************* */

41
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -629,29 +629,36 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
EXPORT_SYMBOL(iwl_tx_cmd_complete);
#ifdef CONFIG_IWLWIFI_DEBUG
#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
#define TX_STATUS_FAIL(x) case TX_STATUS_FAIL_ ## x: return #x
#define TX_STATUS_POSTPONE(x) case TX_STATUS_POSTPONE_ ## x: return #x
const char *iwl_get_tx_fail_reason(u32 status)
{
switch (status & TX_STATUS_MSK) {
case TX_STATUS_SUCCESS:
return "SUCCESS";
TX_STATUS_ENTRY(SHORT_LIMIT);
TX_STATUS_ENTRY(LONG_LIMIT);
TX_STATUS_ENTRY(FIFO_UNDERRUN);
TX_STATUS_ENTRY(MGMNT_ABORT);
TX_STATUS_ENTRY(NEXT_FRAG);
TX_STATUS_ENTRY(LIFE_EXPIRE);
TX_STATUS_ENTRY(DEST_PS);
TX_STATUS_ENTRY(ABORTED);
TX_STATUS_ENTRY(BT_RETRY);
TX_STATUS_ENTRY(STA_INVALID);
TX_STATUS_ENTRY(FRAG_DROPPED);
TX_STATUS_ENTRY(TID_DISABLE);
TX_STATUS_ENTRY(FRAME_FLUSHED);
TX_STATUS_ENTRY(INSUFFICIENT_CF_POLL);
TX_STATUS_ENTRY(TX_LOCKED);
TX_STATUS_ENTRY(NO_BEACON_ON_RADAR);
TX_STATUS_POSTPONE(DELAY);
TX_STATUS_POSTPONE(FEW_BYTES);
TX_STATUS_POSTPONE(BT_PRIO);
TX_STATUS_POSTPONE(QUIET_PERIOD);
TX_STATUS_POSTPONE(CALC_TTAK);
TX_STATUS_FAIL(INTERNAL_CROSSED_RETRY);
TX_STATUS_FAIL(SHORT_LIMIT);
TX_STATUS_FAIL(LONG_LIMIT);
TX_STATUS_FAIL(FIFO_UNDERRUN);
TX_STATUS_FAIL(DRAIN_FLOW);
TX_STATUS_FAIL(RFKILL_FLUSH);
TX_STATUS_FAIL(LIFE_EXPIRE);
TX_STATUS_FAIL(DEST_PS);
TX_STATUS_FAIL(HOST_ABORTED);
TX_STATUS_FAIL(BT_RETRY);
TX_STATUS_FAIL(STA_INVALID);
TX_STATUS_FAIL(FRAG_DROPPED);
TX_STATUS_FAIL(TID_DISABLE);
TX_STATUS_FAIL(FIFO_FLUSHED);
TX_STATUS_FAIL(INSUFFICIENT_CF_POLL);
TX_STATUS_FAIL(FW_DROP);
TX_STATUS_FAIL(STA_COLOR_MISMATCH_DROP);
}
return "UNKNOWN";