samsung-sm8650/android_kernel_samsung_sm8650-modules
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qcacmn: Replenish Rx buffers on low threshold intr

소스 검색 
Replenish buffers in RXDMA refill ring based on low threshold
interrupts in addition to regular Rx processing. Also increased
RXDMA refill ring size to 4096.

Change-Id: If1f4592c815fe2404c4952a96b721cb6d4fdfcd0
This commit is contained in:
Karunakar Dasineni
2017-10-29 21:54:21 -07:00
committed by snandini
부모 1f88428baf
커밋 87f0c5d850
8개의 변경된 파일과 164개의 추가작업 그리고 25개의 파일을 삭제
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85
dp/wifi3.0/dp_main.c
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@@ -339,8 +339,11 @@ static int dp_srng_calculate_msi_group(struct dp_soc *soc,
grp_mask = &soc->wlan_cfg_ctx->int_rxdma2host_ring_mask[0];
break;
case RXDMA_MONITOR_BUF:
case RXDMA_BUF:
grp_mask = &soc->wlan_cfg_ctx->int_host2rxdma_ring_mask[0];
break;
case RXDMA_MONITOR_BUF:
/* TODO: support low_thresh interrupt */
return -QDF_STATUS_E_NOENT;
break;
@@ -490,6 +493,7 @@ static int dp_srng_setup(struct dp_soc *soc, struct dp_srng *srng,
num_entries = (num_entries > max_entries) ? max_entries : num_entries;
srng->hal_srng = NULL;
srng->alloc_size = (num_entries * entry_size) + ring_base_align - 1;
srng->num_entries = num_entries;
srng->base_vaddr_unaligned = qdf_mem_alloc_consistent(
soc->osdev, soc->osdev->dev, srng->alloc_size,
&(srng->base_paddr_unaligned));
@@ -608,6 +612,7 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
uint8_t rx_wbm_rel_mask = int_ctx->rx_wbm_rel_ring_mask;
uint8_t reo_status_mask = int_ctx->reo_status_ring_mask;
uint32_t remaining_quota = dp_budget;
struct dp_pdev *pdev = NULL;
/* Process Tx completion interrupts first to return back buffers */
while (tx_mask) {
@@ -689,11 +694,14 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
/* Process LMAC interrupts */
for (ring = 0 ; ring < MAX_PDEV_CNT; ring++) {
if (soc->pdev_list[ring] == NULL)
pdev = soc->pdev_list[ring];
if (pdev == NULL)
continue;
if (int_ctx->rx_mon_ring_mask & (1 << ring)) {
work_done = dp_mon_process(soc, ring, remaining_quota);
budget -= work_done;
if (budget <= 0)
goto budget_done;
remaining_quota = budget;
}
@@ -701,6 +709,22 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
work_done = dp_rxdma_err_process(soc, ring,
remaining_quota);
budget -= work_done;
if (budget <= 0)
goto budget_done;
remaining_quota = budget;
}
if (int_ctx->host2rxdma_ring_mask & (1 << ring)) {
union dp_rx_desc_list_elem_t *desc_list = NULL;
union dp_rx_desc_list_elem_t *tail = NULL;
struct dp_srng *rx_refill_buf_ring =
&pdev->rx_refill_buf_ring;
DP_STATS_INC(pdev, replenish.low_thresh_intrs, 1);
dp_rx_buffers_replenish(soc, ring,
rx_refill_buf_ring,
&soc->rx_desc_buf[ring], 0,
&desc_list, &tail, HAL_RX_BUF_RBM_SW3_BM);
}
}
@@ -758,6 +782,7 @@ static QDF_STATUS dp_soc_interrupt_attach_poll(void *txrx_soc)
soc->intr_ctx[i].rx_wbm_rel_ring_mask = 0x1;
soc->intr_ctx[i].reo_status_ring_mask = 0x1;
soc->intr_ctx[i].rxdma2host_ring_mask = 0x1;
soc->intr_ctx[i].host2rxdma_ring_mask = 0x1;
soc->intr_ctx[i].soc = soc;
soc->intr_ctx[i].lro_ctx = qdf_lro_init();
}
@@ -825,6 +850,8 @@ static void dp_soc_interrupt_map_calculate_integrated(struct dp_soc *soc,
soc->wlan_cfg_ctx, intr_ctx_num);
int rxdma2host_ring_mask = wlan_cfg_get_rxdma2host_ring_mask(
soc->wlan_cfg_ctx, intr_ctx_num);
int host2rxdma_ring_mask = wlan_cfg_get_host2rxdma_ring_mask(
soc->wlan_cfg_ctx, intr_ctx_num);
for (j = 0; j < HIF_MAX_GRP_IRQ; j++) {
@@ -844,6 +871,12 @@ static void dp_soc_interrupt_map_calculate_integrated(struct dp_soc *soc,
wlan_cfg_get_hw_mac_idx(soc->wlan_cfg_ctx, j);
}
if (host2rxdma_ring_mask & (1 << j)) {
irq_id_map[num_irq++] =
host2rxdma_host_buf_ring_mac1 -
wlan_cfg_get_hw_mac_idx(soc->wlan_cfg_ctx, j);
}
if (rx_mon_mask & (1 << j)) {
irq_id_map[num_irq++] =
ppdu_end_interrupts_mac1 -
@@ -953,6 +986,9 @@ static QDF_STATUS dp_soc_interrupt_attach(void *txrx_soc)
wlan_cfg_get_reo_status_ring_mask(soc->wlan_cfg_ctx, i);
int rxdma2host_ring_mask =
wlan_cfg_get_rxdma2host_ring_mask(soc->wlan_cfg_ctx, i);
int host2rxdma_ring_mask =
wlan_cfg_get_host2rxdma_ring_mask(soc->wlan_cfg_ctx, i);
soc->intr_ctx[i].dp_intr_id = i;
soc->intr_ctx[i].tx_ring_mask = tx_mask;
@@ -960,6 +996,7 @@ static QDF_STATUS dp_soc_interrupt_attach(void *txrx_soc)
soc->intr_ctx[i].rx_mon_ring_mask = rx_mon_mask;
soc->intr_ctx[i].rx_err_ring_mask = rx_err_ring_mask;
soc->intr_ctx[i].rxdma2host_ring_mask = rxdma2host_ring_mask;
soc->intr_ctx[i].host2rxdma_ring_mask = host2rxdma_ring_mask;
soc->intr_ctx[i].rx_wbm_rel_ring_mask = rx_wbm_rel_ring_mask;
soc->intr_ctx[i].reo_status_ring_mask = reo_status_ring_mask;
@@ -1015,6 +1052,7 @@ static void dp_soc_interrupt_detach(void *txrx_soc)
soc->intr_ctx[i].rx_wbm_rel_ring_mask = 0;
soc->intr_ctx[i].reo_status_ring_mask = 0;
soc->intr_ctx[i].rxdma2host_ring_mask = 0;
soc->intr_ctx[i].host2rxdma_ring_mask = 0;
qdf_lro_deinit(soc->intr_ctx[i].lro_ctx);
}
@@ -1344,7 +1382,7 @@ static void dp_hw_link_desc_pool_cleanup(struct dp_soc *soc)
#define REO_CMD_RING_SIZE 32
#define REO_STATUS_RING_SIZE 32
#define RXDMA_BUF_RING_SIZE 1024
#define RXDMA_REFILL_RING_SIZE 2048
#define RXDMA_REFILL_RING_SIZE 4096
#define RXDMA_MONITOR_BUF_RING_SIZE 4096
#define RXDMA_MONITOR_DST_RING_SIZE 2048
#define RXDMA_MONITOR_STATUS_RING_SIZE 1024
@@ -1489,6 +1527,7 @@ static uint8_t dp_soc_ring_if_nss_offloaded(struct dp_soc *soc, enum hal_ring_ty
switch (ring_type) {
case WBM2SW_RELEASE:
case REO_DST:
case RXDMA_BUF:
status = ((nss_config) & (1 << ring_num));
break;
default:
@@ -1530,7 +1569,7 @@ static void dp_soc_reset_intr_mask(struct dp_soc *soc)
group_number = dp_srng_find_ring_in_mask(j, grp_mask);
if (group_number < 0) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
FL("ring not part of an group; ring_type: %d,ring_num %d"),
FL("ring not part of any group; ring_type: %d,ring_num %d"),
WBM2SW_RELEASE, j);
return;
}
@@ -1565,7 +1604,7 @@ static void dp_soc_reset_intr_mask(struct dp_soc *soc)
group_number = dp_srng_find_ring_in_mask(j, grp_mask);
if (group_number < 0) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
FL("ring not part of an group; ring_type: %d,ring_num %d"),
FL("ring not part of any group; ring_type: %d,ring_num %d"),
REO_DST, j);
return;
}
@@ -1579,6 +1618,40 @@ static void dp_soc_reset_intr_mask(struct dp_soc *soc)
*/
wlan_cfg_set_rx_ring_mask(soc->wlan_cfg_ctx, group_number, mask);
}
/*
* group mask for Rx buffer refill ring
*/
grp_mask = &soc->wlan_cfg_ctx->int_host2rxdma_ring_mask[0];
/* loop and reset the mask for only offloaded ring */
for (j = 0; j < MAX_PDEV_CNT; j++) {
if (!dp_soc_ring_if_nss_offloaded(soc, RXDMA_BUF, j)) {
continue;
}
/*
* Group number corresponding to rx offloaded ring.
*/
group_number = dp_srng_find_ring_in_mask(j, grp_mask);
if (group_number < 0) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
FL("ring not part of any group; ring_type: %d,ring_num %d"),
REO_DST, j);
return;
}
/* set the interrupt mask for offloaded ring */
mask = wlan_cfg_get_host2rxdma_ring_mask(soc->wlan_cfg_ctx,
group_number);
mask &= (~(1 << j));
/*
* set the interrupt mask to zero for rx offloaded radio.
*/
wlan_cfg_set_host2rxdma_ring_mask(soc->wlan_cfg_ctx,
group_number, mask);
}
}
#ifdef IPA_OFFLOAD
@@ -3857,6 +3930,8 @@ dp_print_pdev_rx_stats(struct dp_pdev *pdev)
pdev->stats.replenish.pkts.bytes);
DP_PRINT_STATS(" Buffers Added To Freelist = %d",
pdev->stats.buf_freelist);
DP_PRINT_STATS(" Low threshold intr = %d",
pdev->stats.replenish.low_thresh_intrs);
DP_PRINT_STATS("Dropped:");
DP_PRINT_STATS(" msdu_not_done = %d",
pdev->stats.dropped.msdu_not_done);