diff options
author | David S. Miller <davem@davemloft.net> | 2011-02-19 22:17:35 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-02-19 22:17:35 -0500 |
commit | da935c66bacb3ed9ada984b053297f87c2dff63a (patch) | |
tree | 46278da2b312c73f1375b830d7e5912bf23abd78 /drivers/net/wireless/iwlwifi | |
parent | 9435eb1cf0b76b323019cebf8d16762a50a12a19 (diff) | |
parent | 2205a6ea93fea76f88b43727fea53f3ce3790d6f (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/e1000e/netdev.c
net/xfrm/xfrm_policy.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 58213e72d107..166e9f742596 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c | |||
@@ -402,72 +402,6 @@ static void iwl3945_accumulative_statistics(struct iwl_priv *priv, | |||
402 | } | 402 | } |
403 | #endif | 403 | #endif |
404 | 404 | ||
405 | /** | ||
406 | * iwl3945_good_plcp_health - checks for plcp error. | ||
407 | * | ||
408 | * When the plcp error is exceeding the thresholds, reset the radio | ||
409 | * to improve the throughput. | ||
410 | */ | ||
411 | static bool iwl3945_good_plcp_health(struct iwl_priv *priv, | ||
412 | struct iwl_rx_packet *pkt) | ||
413 | { | ||
414 | bool rc = true; | ||
415 | struct iwl3945_notif_statistics current_stat; | ||
416 | int combined_plcp_delta; | ||
417 | unsigned int plcp_msec; | ||
418 | unsigned long plcp_received_jiffies; | ||
419 | |||
420 | if (priv->cfg->base_params->plcp_delta_threshold == | ||
421 | IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) { | ||
422 | IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n"); | ||
423 | return rc; | ||
424 | } | ||
425 | memcpy(¤t_stat, pkt->u.raw, sizeof(struct | ||
426 | iwl3945_notif_statistics)); | ||
427 | /* | ||
428 | * check for plcp_err and trigger radio reset if it exceeds | ||
429 | * the plcp error threshold plcp_delta. | ||
430 | */ | ||
431 | plcp_received_jiffies = jiffies; | ||
432 | plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies - | ||
433 | (long) priv->plcp_jiffies); | ||
434 | priv->plcp_jiffies = plcp_received_jiffies; | ||
435 | /* | ||
436 | * check to make sure plcp_msec is not 0 to prevent division | ||
437 | * by zero. | ||
438 | */ | ||
439 | if (plcp_msec) { | ||
440 | combined_plcp_delta = | ||
441 | (le32_to_cpu(current_stat.rx.ofdm.plcp_err) - | ||
442 | le32_to_cpu(priv->_3945.statistics.rx.ofdm.plcp_err)); | ||
443 | |||
444 | if ((combined_plcp_delta > 0) && | ||
445 | ((combined_plcp_delta * 100) / plcp_msec) > | ||
446 | priv->cfg->base_params->plcp_delta_threshold) { | ||
447 | /* | ||
448 | * if plcp_err exceed the threshold, the following | ||
449 | * data is printed in csv format: | ||
450 | * Text: plcp_err exceeded %d, | ||
451 | * Received ofdm.plcp_err, | ||
452 | * Current ofdm.plcp_err, | ||
453 | * combined_plcp_delta, | ||
454 | * plcp_msec | ||
455 | */ | ||
456 | IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, " | ||
457 | "%u, %d, %u mSecs\n", | ||
458 | priv->cfg->base_params->plcp_delta_threshold, | ||
459 | le32_to_cpu(current_stat.rx.ofdm.plcp_err), | ||
460 | combined_plcp_delta, plcp_msec); | ||
461 | /* | ||
462 | * Reset the RF radio due to the high plcp | ||
463 | * error rate | ||
464 | */ | ||
465 | rc = false; | ||
466 | } | ||
467 | } | ||
468 | return rc; | ||
469 | } | ||
470 | |||
471 | void iwl3945_hw_rx_statistics(struct iwl_priv *priv, | 405 | void iwl3945_hw_rx_statistics(struct iwl_priv *priv, |
472 | struct iwl_rx_mem_buffer *rxb) | 406 | struct iwl_rx_mem_buffer *rxb) |
473 | { | 407 | { |
@@ -2734,7 +2668,6 @@ static struct iwl_lib_ops iwl3945_lib = { | |||
2734 | .isr_ops = { | 2668 | .isr_ops = { |
2735 | .isr = iwl_isr_legacy, | 2669 | .isr = iwl_isr_legacy, |
2736 | }, | 2670 | }, |
2737 | .check_plcp_health = iwl3945_good_plcp_health, | ||
2738 | 2671 | ||
2739 | .debugfs_ops = { | 2672 | .debugfs_ops = { |
2740 | .rx_stats_read = iwl3945_ucode_rx_stats_read, | 2673 | .rx_stats_read = iwl3945_ucode_rx_stats_read, |