diff options
Diffstat (limited to 'drivers/net/wireless/ath5k/desc.c')
-rw-r--r-- | drivers/net/wireless/ath5k/desc.c | 69 |
1 files changed, 47 insertions, 22 deletions
diff --git a/drivers/net/wireless/ath5k/desc.c b/drivers/net/wireless/ath5k/desc.c index d45b90a6e06c..dd1374052ba9 100644 --- a/drivers/net/wireless/ath5k/desc.c +++ b/drivers/net/wireless/ath5k/desc.c @@ -318,6 +318,15 @@ ath5k_hw_setup_mrr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, return 0; } +/* no mrr support for cards older than 5212 */ +static int +ath5k_hw_setup_no_mrr(struct ath5k_hw *ah, struct ath5k_desc *desc, + unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2, + u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3) +{ + return 0; +} + /* * Proccess the tx status descriptor on 5210/5211 */ @@ -352,8 +361,10 @@ static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah, AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH); ts->ts_antenna = 1; ts->ts_status = 0; - ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_0, + ts->ts_rate[0] = AR5K_REG_MS(tx_ctl->tx_control_0, AR5K_2W_TX_DESC_CTL0_XMIT_RATE); + ts->ts_retry[0] = ts->ts_longretry; + ts->ts_final_idx = 0; if (!(tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK)) { if (tx_status->tx_status_0 & @@ -405,29 +416,43 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah, AR5K_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1; ts->ts_status = 0; - switch (AR5K_REG_MS(tx_status->tx_status_1, - AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX)) { - case 0: - ts->ts_rate = tx_ctl->tx_control_3 & - AR5K_4W_TX_DESC_CTL3_XMIT_RATE0; - break; + ts->ts_final_idx = AR5K_REG_MS(tx_status->tx_status_1, + AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX); + + /* The longretry counter has the number of un-acked retries + * for the final rate. To get the total number of retries + * we have to add the retry counters for the other rates + * as well + */ + ts->ts_retry[ts->ts_final_idx] = ts->ts_longretry; + switch (ts->ts_final_idx) { + case 3: + ts->ts_rate[3] = AR5K_REG_MS(tx_ctl->tx_control_3, + AR5K_4W_TX_DESC_CTL3_XMIT_RATE3); + + ts->ts_retry[2] = AR5K_REG_MS(tx_ctl->tx_control_2, + AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2); + ts->ts_longretry += ts->ts_retry[2]; + /* fall through */ + case 2: + ts->ts_rate[2] = AR5K_REG_MS(tx_ctl->tx_control_3, + AR5K_4W_TX_DESC_CTL3_XMIT_RATE2); + + ts->ts_retry[1] = AR5K_REG_MS(tx_ctl->tx_control_2, + AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1); + ts->ts_longretry += ts->ts_retry[1]; + /* fall through */ case 1: - ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, + ts->ts_rate[1] = AR5K_REG_MS(tx_ctl->tx_control_3, AR5K_4W_TX_DESC_CTL3_XMIT_RATE1); - ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, + + ts->ts_retry[0] = AR5K_REG_MS(tx_ctl->tx_control_2, AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1); - break; - case 2: - ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, - AR5K_4W_TX_DESC_CTL3_XMIT_RATE2); - ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, - AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2); - break; - case 3: - ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, - AR5K_4W_TX_DESC_CTL3_XMIT_RATE3); - ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, - AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3); + ts->ts_longretry += ts->ts_retry[0]; + /* fall through */ + case 0: + ts->ts_rate[0] = tx_ctl->tx_control_3 & + AR5K_4W_TX_DESC_CTL3_XMIT_RATE0; break; } @@ -653,7 +678,7 @@ int ath5k_hw_init_desc_functions(struct ath5k_hw *ah) } else { ah->ah_setup_rx_desc = ath5k_hw_setup_rx_desc; ah->ah_setup_tx_desc = ath5k_hw_setup_2word_tx_desc; - ah->ah_setup_mrr_tx_desc = ath5k_hw_setup_mrr_tx_desc; + ah->ah_setup_mrr_tx_desc = ath5k_hw_setup_no_mrr; ah->ah_proc_tx_desc = ath5k_hw_proc_2word_tx_status; } |