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qcacmn: MCL Buffer Replenishment

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Add support for replenishing the rx buffers using the host to
firmware buffer ring.

This includes adding a flag QCA_HOST2FW_RXBUF_RING:
When QCA_HOST2FW_RXBUF_RING is enabled the host will do the following:
- Allocate the refill buffer ring (HTT_HOST1_TO_FW_RXBUF_RING) and
populate it with
 rx buffers
- Send the refill buffer ring configuration to the firmware
- Allocate the rx DMA ring (HTT_RXDMA_HOST_BUF_RING), leave it empty.
- Send the rx DMA ring configuration to the firmware

When QCA_HOST2FW_RXBUF_RING is disabled, the host will do the following:
- Allocate the rx DMA ring (HTT_RXDMA_HOST_BUF_RING), and populate it with
 rx buffers
- Send the rx DMA ring configuration to the firmware

CRs-Fixed: 1074199
Change-Id: Iec05a973cd9d628c742e3aaa16b8dabc7797625d
This commit is contained in:
Dhanashri Atre
2016-10-12 13:08:09 -07:00
committed by qcabuildsw
parent e3df35488a
commit 7351d17b41
8 changed files with 63 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
dp/wifi3.0/dp_htt.c
View File

@@ -264,7 +264,9 @@ int htt_srng_setup(void *htt_soc, int pdev_id, void *hal_srng,
switch (hal_ring_type) {
case RXDMA_BUF:
#if QCA_HOST2FW_RXBUF_RING
switch (srng_params.ring_id) {
case HAL_SRNG_WMAC1_SW2RXDMA0_BUF:
#ifdef QCA_HOST2FW_RXBUF_RING
htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
htt_ring_type = HTT_SW_TO_SW_RING;
#else
@@ -272,6 +274,24 @@ int htt_srng_setup(void *htt_soc, int pdev_id, void *hal_srng,
htt_ring_type = HTT_SW_TO_HW_RING;
#endif
break;
case HAL_SRNG_WMAC1_SW2RXDMA1_BUF:
htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
htt_ring_type = HTT_SW_TO_HW_RING;
break;
default:
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"%s: Ring %d currently not supported\n",
__func__, srng_params.ring_id);
goto fail1;
}
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"%s: ring_type %d ring_id %d\n",
__func__, hal_ring_type, srng_params.ring_id);
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"hp_addr 0x%x tp_addr 0x%x\n", hp_addr, tp_addr);
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"htt_ring_id %d\n", htt_ring_id);
break;
case RXDMA_MONITOR_BUF:
htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
htt_ring_type = HTT_SW_TO_HW_RING;

25
dp/wifi3.0/dp_main.c
View File

@@ -768,14 +768,20 @@ void *dp_pdev_attach_wifi3(void *txrx_soc, void *ctrl_pdev,
}
if (dp_srng_setup(soc, &pdev->rxdma_buf_ring, RXDMA_BUF, 0, pdev_id,
if (dp_srng_setup(soc, &pdev->rx_refill_buf_ring, RXDMA_BUF, 0, pdev_id,
RXDMA_BUF_RING_SIZE)) {
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"%s: dp_srng_setup failed for rxdma_buf_ring\n",
__func__);
"%s: dp_srng_setup failed rx refill ring\n", __func__);
goto fail0;
}
#ifdef QCA_HOST2FW_RXBUF_RING
if (dp_srng_setup(soc, &pdev->rx_mac_buf_ring, RXDMA_BUF, 1, pdev_id,
RXDMA_BUF_RING_SIZE)) {
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"%s: dp_srng_setup failed rx mac ring\n", __func__);
goto fail0;
}
#endif
/* TODO: RXDMA destination ring is not planned to be used currently.
* Setup the ring when required
*/
@@ -837,8 +843,11 @@ static void dp_pdev_detach_wifi3(void *txrx_pdev, int force)
REO_DST, pdev->pdev_id);
}
dp_srng_cleanup(soc, &pdev->rxdma_buf_ring, RXDMA_BUF, 0);
dp_srng_cleanup(soc, &pdev->rx_refill_buf_ring, RXDMA_BUF, 0);
#ifdef QCA_HOST2FW_RXBUF_RING
dp_srng_cleanup(soc, &pdev->rx_mac_buf_ring, RXDMA_BUF, 1);
#endif
dp_srng_cleanup(soc, &pdev->rxdma_mon_buf_ring, RXDMA_MONITOR_BUF, 0);
dp_srng_cleanup(soc, &pdev->rxdma_mon_dst_ring, RXDMA_MONITOR_DST, 0);
@@ -939,7 +948,11 @@ int dp_soc_attach_target_wifi3(void *txrx_soc)
struct dp_pdev *pdev = soc->pdev_list[i];
if (pdev) {
htt_srng_setup(soc->htt_handle, i,
pdev->rxdma_buf_ring.hal_srng, RXDMA_BUF);
pdev->rx_refill_buf_ring.hal_srng, RXDMA_BUF);
#ifdef QCA_HOST2FW_RXBUF_RING
htt_srng_setup(soc->htt_handle, i,
pdev->rx_mac_buf_ring.hal_srng, RXDMA_BUF);
#endif
#ifdef notyet /* FW doesn't handle monitor rings yet */
htt_srng_setup(soc->htt_handle, i,
pdev->rxdma_mon_buf_ring.hal_srng,

4
dp/wifi3.0/dp_rx.c
View File

@@ -62,7 +62,7 @@ QDF_STATUS dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
qdf_nbuf_t rx_netbuf;
void *rxdma_ring_entry;
union dp_rx_desc_list_elem_t *next;
struct dp_srng *dp_rxdma_srng = &dp_pdev->rxdma_buf_ring;
struct dp_srng *dp_rxdma_srng = &dp_pdev->rx_refill_buf_ring;
void *rxdma_srng = dp_rxdma_srng->hal_srng;
if (!rxdma_srng) {
@@ -425,7 +425,7 @@ dp_rx_pdev_attach(struct dp_pdev *pdev)
qdf_spinlock_create(&soc->rx_desc_mutex[pdev_id]);
pdev = soc->pdev_list[pdev_id];
rxdma_srng = pdev->rxdma_buf_ring;
rxdma_srng = pdev->rx_refill_buf_ring;
rxdma_entries = rxdma_srng.alloc_size/hal_srng_get_entrysize(
soc->hal_soc, RXDMA_BUF);

2
dp/wifi3.0/dp_rx_desc.c
View File

@@ -32,7 +32,7 @@ QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc, uint32_t pool_id)
{
uint32_t i;
struct dp_pdev *dp_pdev = soc->pdev_list[pool_id];
struct dp_srng *rxdma_srng = &dp_pdev->rxdma_buf_ring;
struct dp_srng *rxdma_srng = &dp_pdev->rx_refill_buf_ring;
soc->rx_desc[pool_id].array = qdf_mem_malloc(
((rxdma_srng->alloc_size/hal_srng_get_entrysize(soc->hal_soc,

7
dp/wifi3.0/dp_types.h
View File

@@ -291,8 +291,11 @@ struct dp_pdev {
/* TXRX SOC handle */
struct dp_soc *soc;
/* RXDMA buffer replenish ring */
struct dp_srng rxdma_buf_ring;
/* Ring used to replenish rx buffers (maybe to the firmware of MAC) */
struct dp_srng rx_refill_buf_ring;
/* Empty ring used by firmware to post rx buffers to the MAC */
struct dp_srng rx_mac_buf_ring;
/* RXDMA monitor buffer replenish ring */
struct dp_srng rxdma_mon_buf_ring;

2
hal/wifi3.0/hal_api.h
View File

@@ -120,6 +120,8 @@ struct hal_srng_params {
uint32_t low_threshold;
/* Misc flags */
uint32_t flags;
/* Unique ring id */
uint8_t ring_id;
};
/**

11
hal/wifi3.0/hal_internal.h
View File

@@ -111,11 +111,12 @@ enum hal_srng_ring_id {
HAL_SRNG_LMAC1_ID_START = 128,
HAL_SRNG_WMAC1_SW2RXDMA0_BUF = HAL_SRNG_LMAC1_ID_START,
HAL_SRNG_WMAC1_SW2RXDMA1_BUF = 129,
HAL_SRNG_WMAC1_SW2RXDMA0_STATBUF = 130,
HAL_SRNG_WMAC1_SW2RXDMA1_STATBUF = 131,
HAL_SRNG_WMAC1_RXDMA2SW0 = 132,
HAL_SRNG_WMAC1_RXDMA2SW1 = 133,
/* 134-142 unused */
HAL_SRNG_WMAC1_SW2RXDMA2_BUF = 130,
HAL_SRNG_WMAC1_SW2RXDMA0_STATBUF = 131,
HAL_SRNG_WMAC1_SW2RXDMA1_STATBUF = 132,
HAL_SRNG_WMAC1_RXDMA2SW0 = 133,
HAL_SRNG_WMAC1_RXDMA2SW1 = 134,
/* 135-142 unused */
HAL_SRNG_LMAC1_ID_END = 143
};

5
hal/wifi3.0/hal_srng.c
View File

@@ -426,7 +426,7 @@ static struct hal_hw_srng_config hw_srng_table[] = {
},
{ /* RXDMA_BUF */
.start_ring_id = HAL_SRNG_WMAC1_SW2RXDMA0_BUF,
.max_rings = 1,
.max_rings = 2,
/* TODO: Check if the additional IPA buffer ring needs to be
* setup here (in which case max_rings should be set to 2),
* or it will be setup by IPA host driver
@@ -453,7 +453,7 @@ static struct hal_hw_srng_config hw_srng_table[] = {
.reg_size = {},
},
{ /* RXDMA_MONITOR_BUF */
.start_ring_id = HAL_SRNG_WMAC1_SW2RXDMA1_BUF,
.start_ring_id = HAL_SRNG_WMAC1_SW2RXDMA2_BUF,
.max_rings = 1,
.entry_size = sizeof(struct wbm_buffer_ring) >> 2,
.lmac_ring = TRUE,
@@ -944,4 +944,5 @@ extern void hal_get_srng_params(void *hal_soc, void *hal_ring,
srng->intr_batch_cntr_thres_entries;
ring_params->low_threshold = srng->u.src_ring.low_threshold;
ring_params->flags = srng->flags;
ring_params->ring_id = srng->ring_id;
}