From: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-3945.c | 4 +-
drivers/net/wireless/iwlwifi/iwl-4965.c | 3 +-
drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 11 +++-
drivers/net/wireless/iwlwifi/iwl-agn.h | 24 ++++++++
drivers/net/wireless/iwlwifi/iwl-commands.h | 79 ++++++++++++++++-----------
drivers/net/wireless/iwlwifi/iwl-tx.c | 41 ++++++++------
6 files changed, 108 insertions(+), 54 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 7424586..ae5efc3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -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);
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 0164c3f..c710b26 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -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,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 7f27a94..384b45c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -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)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 5ad1405..608060a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -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__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 74d6887..82a9378 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -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:
*
@@ -1690,24 +1690,65 @@ struct iwl_tx_cmd {
* 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
******************************* */
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index a631afe..aea6a2e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -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";
--
1.6.3.3
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