aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath5k/desc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath5k/desc.c')
-rw-r--r--drivers/net/wireless/ath5k/desc.c69
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,
318 return 0; 318 return 0;
319} 319}
320 320
321/* no mrr support for cards older than 5212 */
322static int
323ath5k_hw_setup_no_mrr(struct ath5k_hw *ah, struct ath5k_desc *desc,
324 unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2,
325 u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3)
326{
327 return 0;
328}
329
321/* 330/*
322 * Proccess the tx status descriptor on 5210/5211 331 * Proccess the tx status descriptor on 5210/5211
323 */ 332 */
@@ -352,8 +361,10 @@ static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah,
352 AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH); 361 AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH);
353 ts->ts_antenna = 1; 362 ts->ts_antenna = 1;
354 ts->ts_status = 0; 363 ts->ts_status = 0;
355 ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_0, 364 ts->ts_rate[0] = AR5K_REG_MS(tx_ctl->tx_control_0,
356 AR5K_2W_TX_DESC_CTL0_XMIT_RATE); 365 AR5K_2W_TX_DESC_CTL0_XMIT_RATE);
366 ts->ts_retry[0] = ts->ts_longretry;
367 ts->ts_final_idx = 0;
357 368
358 if (!(tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK)) { 369 if (!(tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK)) {
359 if (tx_status->tx_status_0 & 370 if (tx_status->tx_status_0 &
@@ -405,29 +416,43 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah,
405 AR5K_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1; 416 AR5K_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1;
406 ts->ts_status = 0; 417 ts->ts_status = 0;
407 418
408 switch (AR5K_REG_MS(tx_status->tx_status_1, 419 ts->ts_final_idx = AR5K_REG_MS(tx_status->tx_status_1,
409 AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX)) { 420 AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX);
410 case 0: 421
411 ts->ts_rate = tx_ctl->tx_control_3 & 422 /* The longretry counter has the number of un-acked retries
412 AR5K_4W_TX_DESC_CTL3_XMIT_RATE0; 423 * for the final rate. To get the total number of retries
413 break; 424 * we have to add the retry counters for the other rates
425 * as well
426 */
427 ts->ts_retry[ts->ts_final_idx] = ts->ts_longretry;
428 switch (ts->ts_final_idx) {
429 case 3:
430 ts->ts_rate[3] = AR5K_REG_MS(tx_ctl->tx_control_3,
431 AR5K_4W_TX_DESC_CTL3_XMIT_RATE3);
432
433 ts->ts_retry[2] = AR5K_REG_MS(tx_ctl->tx_control_2,
434 AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2);
435 ts->ts_longretry += ts->ts_retry[2];
436 /* fall through */
437 case 2:
438 ts->ts_rate[2] = AR5K_REG_MS(tx_ctl->tx_control_3,
439 AR5K_4W_TX_DESC_CTL3_XMIT_RATE2);
440
441 ts->ts_retry[1] = AR5K_REG_MS(tx_ctl->tx_control_2,
442 AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1);
443 ts->ts_longretry += ts->ts_retry[1];
444 /* fall through */
414 case 1: 445 case 1:
415 ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, 446 ts->ts_rate[1] = AR5K_REG_MS(tx_ctl->tx_control_3,
416 AR5K_4W_TX_DESC_CTL3_XMIT_RATE1); 447 AR5K_4W_TX_DESC_CTL3_XMIT_RATE1);
417 ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, 448
449 ts->ts_retry[0] = AR5K_REG_MS(tx_ctl->tx_control_2,
418 AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1); 450 AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1);
419 break; 451 ts->ts_longretry += ts->ts_retry[0];
420 case 2: 452 /* fall through */
421 ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, 453 case 0:
422 AR5K_4W_TX_DESC_CTL3_XMIT_RATE2); 454 ts->ts_rate[0] = tx_ctl->tx_control_3 &
423 ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, 455 AR5K_4W_TX_DESC_CTL3_XMIT_RATE0;
424 AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2);
425 break;
426 case 3:
427 ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3,
428 AR5K_4W_TX_DESC_CTL3_XMIT_RATE3);
429 ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2,
430 AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3);
431 break; 456 break;
432 } 457 }
433 458
@@ -653,7 +678,7 @@ int ath5k_hw_init_desc_functions(struct ath5k_hw *ah)
653 } else { 678 } else {
654 ah->ah_setup_rx_desc = ath5k_hw_setup_rx_desc; 679 ah->ah_setup_rx_desc = ath5k_hw_setup_rx_desc;
655 ah->ah_setup_tx_desc = ath5k_hw_setup_2word_tx_desc; 680 ah->ah_setup_tx_desc = ath5k_hw_setup_2word_tx_desc;
656 ah->ah_setup_mrr_tx_desc = ath5k_hw_setup_mrr_tx_desc; 681 ah->ah_setup_mrr_tx_desc = ath5k_hw_setup_no_mrr;
657 ah->ah_proc_tx_desc = ath5k_hw_proc_2word_tx_status; 682 ah->ah_proc_tx_desc = ath5k_hw_proc_2word_tx_status;
658 } 683 }
659 684