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qcacld-3.0: Add net buff pop fail counter

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Add net buff pop fail counter which helps to debug issues
related to scenario when RX ring fill count exceeds the fill
level.

Change-Id: I00f4a4e245e0732ef04518e4c1db95999edc6687
CRs-Fixed: 2106523
This commit is contained in:
Sravan Kumar Kairam 2017-09-08 16:28:09 +05:30 • committed by snandini
commit 8ea5ee2120
2 changed files with 6 additions and 0 deletions
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5
core/dp/htt/htt_rx.c
View file

@ -2305,6 +2305,7 @@ htt_rx_amsdu_rx_in_order_pop_ll(htt_pdev_handle pdev,
if (qdf_unlikely(NULL == msdu)) {
qdf_print("%s: netbuf pop failed!\n", __func__);
*tail_msdu = NULL;
pdev->rx_ring.pop_fail_cnt++;
return 0;
}
@ -2398,6 +2399,7 @@ htt_rx_amsdu_rx_in_order_pop_ll(htt_pdev_handle pdev,
qdf_print("%s: netbuf pop failed!\n",
__func__);
*tail_msdu = NULL;
pdev->rx_ring.pop_fail_cnt++;
return 0;
}
@ -2429,6 +2431,7 @@ htt_rx_amsdu_rx_in_order_pop_ll(htt_pdev_handle pdev,
qdf_print("%s: netbuf pop failed!\n",
__func__);
*tail_msdu = NULL;
pdev->rx_ring.pop_fail_cnt++;
return 0;
}
qdf_nbuf_set_next(msdu, next);
@ -3188,6 +3191,7 @@ int htt_rx_msdu_buff_in_order_replenish(htt_pdev_handle pdev, uint32_t num)
qdf_spin_lock_bh(&(pdev->rx_ring.refill_lock));
}
pdev->rx_buff_fill_n_invoked++;
filled = htt_rx_ring_fill_n(pdev, num);
if (filled > num) {
@ -3629,6 +3633,7 @@ int htt_rx_attach(struct htt_pdev_t *pdev)
QDF_TIMER_TYPE_SW);
pdev->rx_ring.fill_cnt = 0;
pdev->rx_ring.pop_fail_cnt = 0;
#ifdef DEBUG_DMA_DONE
pdev->rx_ring.dbg_ring_idx = 0;
pdev->rx_ring.dbg_refill_cnt = 0;

1
core/dp/htt/htt_types.h
View file

@ -316,6 +316,7 @@ struct htt_pdev_t {
int fill_level; /* how many rx buffers to keep in the ring */
int fill_cnt; /* # of rx buffers (full+empty) in the ring */
int pop_fail_cnt; /* # of nebuf pop failures */
/*
* target_idx -