samsung-sm8650/android_kernel_samsung_sm8650-modules
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qcacmn: Fix large RX desc pool memory allocation

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During dp_rx_pdev_attach and dp_rx_pdev_mon_buf_attach we are allocating
three times as many rx descriptors as there are entries in the ring for
AP usecase. This is not needed for MCL and may need to kmalloc
failures for allocating that much contiguous memory

Allocate only as many RX descriptors as there are ring entries for MCL
usecase.

Change-Id: I8b559a85c3899bcbdc520e71ba5da409314db160
CRs-Fixed: 2342957
Cette révision appartient à :
Mohit Khanna
2018-11-12 18:39:03 -08:00
révisé par nshrivas
Parent 96e3633874
révision 705149946b
5 fichiers modifiés avec 69 ajouts et 75 suppressions
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44
dp/wifi3.0/dp_rx_mon_status.c
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@@ -983,50 +983,44 @@ dp_rx_pdev_mon_status_attach(struct dp_pdev *pdev, int ring_id) {
struct dp_soc *soc = pdev->soc;
union dp_rx_desc_list_elem_t *desc_list = NULL;
union dp_rx_desc_list_elem_t *tail = NULL;
struct dp_srng *rxdma_srng;
uint32_t rxdma_entries;
struct dp_srng *mon_status_ring;
uint32_t num_entries;
struct rx_desc_pool *rx_desc_pool;
QDF_STATUS status;
int mac_for_pdev = dp_get_mac_id_for_mac(soc, ring_id);
rxdma_srng = &pdev->rxdma_mon_status_ring[mac_for_pdev];
mon_status_ring = &pdev->rxdma_mon_status_ring[mac_for_pdev];
rxdma_entries = rxdma_srng->alloc_size/hal_srng_get_entrysize(
soc->hal_soc, RXDMA_MONITOR_STATUS);
num_entries = mon_status_ring->num_entries;
rx_desc_pool = &soc->rx_desc_status[ring_id];
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW,
"%s: Mon RX Status Pool[%d] allocation size=%d",
__func__, ring_id, rxdma_entries);
dp_info("Mon RX Status Pool[%d] entries=%d",
ring_id, num_entries);
status = dp_rx_desc_pool_alloc(soc, ring_id, rxdma_entries+1,
rx_desc_pool);
if (!QDF_IS_STATUS_SUCCESS(status)) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
"%s: dp_rx_desc_pool_alloc() failed ", __func__);
status = dp_rx_desc_pool_alloc(soc, ring_id, num_entries + 1,
rx_desc_pool);
if (!QDF_IS_STATUS_SUCCESS(status))
return status;
}
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW,
"%s: Mon RX Status Buffers Replenish ring_id=%d",
__func__, ring_id);
dp_debug("Mon RX Status Buffers Replenish ring_id=%d", ring_id);
status = dp_rx_mon_status_buffers_replenish(soc, ring_id, rxdma_srng,
rx_desc_pool, rxdma_entries, &desc_list, &tail,
HAL_RX_BUF_RBM_SW3_BM);
if (!QDF_IS_STATUS_SUCCESS(status)) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
"%s: dp_rx_buffers_replenish() failed ", __func__);
status = dp_rx_mon_status_buffers_replenish(soc, ring_id,
mon_status_ring,
rx_desc_pool,
num_entries,
&desc_list, &tail,
HAL_RX_BUF_RBM_SW3_BM);
if (!QDF_IS_STATUS_SUCCESS(status))
return status;
}
qdf_nbuf_queue_init(&pdev->rx_status_q);
pdev->mon_ppdu_status = DP_PPDU_STATUS_START;
qdf_mem_zero(&(pdev->ppdu_info.rx_status),
sizeof(pdev->ppdu_info.rx_status));
sizeof(pdev->ppdu_info.rx_status));
qdf_mem_zero(&pdev->rx_mon_stats,
sizeof(pdev->rx_mon_stats));