samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacmn: Move multicast enhancement feature out of common code

Browse Source 
Move WIN specific multicast enhancement feature API/data
structure outside common code

Change-Id: I35b10d61bd969a4ab6a864a55dd215049981c0c9
This commit is contained in:
Amir Patel
2019-05-30 14:06:06 +05:30
committed by nshrivas
parent 1ae7d510cc
commit 5dc47f56dc
6 changed files with 72 additions and 501 deletions
Download Patch File Download Diff File Expand all files Collapse all files

287
dp/wifi3.0/dp_tx.c
View File

@@ -35,8 +35,10 @@
#ifdef FEATURE_WDS
#include "dp_txrx_wds.h"
#endif
#ifdef ATH_SUPPORT_IQUE
#include "dp_txrx_me.h"
#endif
#define DP_TX_QUEUE_MASK 0x3
/* TODO Add support in TSO */
#define DP_DESC_NUM_FRAG(x) 0
@@ -63,57 +65,6 @@ static const uint8_t sec_type_map[MAX_CDP_SEC_TYPE] = {
HAL_TX_ENCRYPT_TYPE_AES_GCMP_256,
HAL_TX_ENCRYPT_TYPE_WAPI_GCM_SM4};
#ifdef WLAN_TX_PKT_CAPTURE_ENH
#include "dp_tx_capture.h"
#endif
/**
* dp_tx_get_queue() - Returns Tx queue IDs to be used for this Tx frame
* @vdev: DP Virtual device handle
* @nbuf: Buffer pointer
* @queue: queue ids container for nbuf
*
* TX packet queue has 2 instances, software descriptors id and dma ring id
* Based on tx feature and hardware configuration queue id combination
* could be different.
* For example -
* With XPS enabled,all TX descriptor pools and dma ring are assigned
* per cpu id
* With no XPS,lock based resource protection, Descriptor pool ids are
* different for each vdev, dma ring id will be same as single pdev id
*
* Return: None
*/
#ifdef QCA_OL_TX_MULTIQ_SUPPORT
static inline void dp_tx_get_queue(struct dp_vdev *vdev,
qdf_nbuf_t nbuf, struct dp_tx_queue *queue)
{
uint16_t queue_offset = qdf_nbuf_get_queue_mapping(nbuf) & DP_TX_QUEUE_MASK;
queue->desc_pool_id = queue_offset;
queue->ring_id = vdev->pdev->soc->tx_ring_map[queue_offset];
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
"%s, pool_id:%d ring_id: %d",
__func__, queue->desc_pool_id, queue->ring_id);
return;
}
#else /* QCA_OL_TX_MULTIQ_SUPPORT */
static inline void dp_tx_get_queue(struct dp_vdev *vdev,
qdf_nbuf_t nbuf, struct dp_tx_queue *queue)
{
/* get flow id */
queue->desc_pool_id = DP_TX_GET_DESC_POOL_ID(vdev);
queue->ring_id = DP_TX_GET_RING_ID(vdev);
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
"%s, pool_id:%d ring_id: %d",
__func__, queue->desc_pool_id, queue->ring_id);
return;
}
#endif
#if defined(FEATURE_TSO)
/**
* dp_tx_tso_unmap_segment() - Unmap TSO segment
@@ -1550,9 +1501,8 @@ fail_return:
* nbuf when it fails to send
*/
#if QDF_LOCK_STATS
static noinline
noinline
#else
static
#endif
qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
struct dp_tx_msdu_info_s *msdu_info)
@@ -4117,232 +4067,3 @@ fail:
dp_tx_soc_detach(soc);
return QDF_STATUS_E_RESOURCES;
}
/*
* dp_tx_me_mem_free(): Function to free allocated memory in mcast enahncement
* pdev: pointer to DP PDEV structure
* seg_info_head: Pointer to the head of list
*
* return: void
*/
static void dp_tx_me_mem_free(struct dp_pdev *pdev,
struct dp_tx_seg_info_s *seg_info_head)
{
struct dp_tx_me_buf_t *mc_uc_buf;
struct dp_tx_seg_info_s *seg_info_new = NULL;
qdf_nbuf_t nbuf = NULL;
uint64_t phy_addr;
while (seg_info_head) {
nbuf = seg_info_head->nbuf;
mc_uc_buf = (struct dp_tx_me_buf_t *)
seg_info_head->frags[0].vaddr;
phy_addr = seg_info_head->frags[0].paddr_hi;
phy_addr = (phy_addr << 32) | seg_info_head->frags[0].paddr_lo;
qdf_mem_unmap_nbytes_single(pdev->soc->osdev,
phy_addr,
QDF_DMA_TO_DEVICE , QDF_MAC_ADDR_SIZE);
dp_tx_me_free_buf(pdev, mc_uc_buf);
qdf_nbuf_free(nbuf);
seg_info_new = seg_info_head;
seg_info_head = seg_info_head->next;
qdf_mem_free(seg_info_new);
}
}
/**
* dp_tx_me_send_convert_ucast(): function to convert multicast to unicast
* @vdev: DP VDEV handle
* @nbuf: Multicast nbuf
* @newmac: Table of the clients to which packets have to be sent
* @new_mac_cnt: No of clients
*
* return: no of converted packets
*/
uint16_t
dp_tx_me_send_convert_ucast(struct cdp_vdev *vdev_handle, qdf_nbuf_t nbuf,
uint8_t newmac[][QDF_MAC_ADDR_SIZE], uint8_t new_mac_cnt)
{
struct dp_vdev *vdev = (struct dp_vdev *) vdev_handle;
struct dp_pdev *pdev = vdev->pdev;
qdf_ether_header_t *eh;
uint8_t *data;
uint16_t len;
/* reference to frame dst addr */
uint8_t *dstmac;
/* copy of original frame src addr */
uint8_t srcmac[QDF_MAC_ADDR_SIZE];
/* local index into newmac */
uint8_t new_mac_idx = 0;
struct dp_tx_me_buf_t *mc_uc_buf;
qdf_nbuf_t nbuf_clone;
struct dp_tx_msdu_info_s msdu_info;
struct dp_tx_seg_info_s *seg_info_head = NULL;
struct dp_tx_seg_info_s *seg_info_tail = NULL;
struct dp_tx_seg_info_s *seg_info_new;
qdf_dma_addr_t paddr_data;
qdf_dma_addr_t paddr_mcbuf = 0;
uint8_t empty_entry_mac[QDF_MAC_ADDR_SIZE] = {0};
QDF_STATUS status;
qdf_mem_zero(&msdu_info, sizeof(msdu_info));
dp_tx_get_queue(vdev, nbuf, &msdu_info.tx_queue);
eh = (qdf_ether_header_t *)nbuf;
qdf_mem_copy(srcmac, eh->ether_shost, QDF_MAC_ADDR_SIZE);
len = qdf_nbuf_len(nbuf);
data = qdf_nbuf_data(nbuf);
status = qdf_nbuf_map(vdev->osdev, nbuf,
QDF_DMA_TO_DEVICE);
if (status) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
"Mapping failure Error:%d", status);
DP_STATS_INC(vdev, tx_i.mcast_en.dropped_map_error, 1);
qdf_nbuf_free(nbuf);
return 1;
}
paddr_data = qdf_nbuf_mapped_paddr_get(nbuf) + QDF_MAC_ADDR_SIZE;
for (new_mac_idx = 0; new_mac_idx < new_mac_cnt; new_mac_idx++) {
dstmac = newmac[new_mac_idx];
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
"added mac addr (%pM)", dstmac);
/* Check for NULL Mac Address */
if (!qdf_mem_cmp(dstmac, empty_entry_mac, QDF_MAC_ADDR_SIZE))
continue;
/* frame to self mac. skip */
if (!qdf_mem_cmp(dstmac, srcmac, QDF_MAC_ADDR_SIZE))
continue;
/*
* TODO: optimize to avoid malloc in per-packet path
* For eg. seg_pool can be made part of vdev structure
*/
seg_info_new = qdf_mem_malloc(sizeof(*seg_info_new));
if (!seg_info_new) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
"alloc failed");
DP_STATS_INC(vdev, tx_i.mcast_en.fail_seg_alloc, 1);
goto fail_seg_alloc;
}
mc_uc_buf = dp_tx_me_alloc_buf(pdev);
if (!mc_uc_buf)
goto fail_buf_alloc;
/*
* TODO: Check if we need to clone the nbuf
* Or can we just use the reference for all cases
*/
if (new_mac_idx < (new_mac_cnt - 1)) {
nbuf_clone = qdf_nbuf_clone((qdf_nbuf_t)nbuf);
if (!nbuf_clone) {
DP_STATS_INC(vdev, tx_i.mcast_en.clone_fail, 1);
goto fail_clone;
}
} else {
/*
* Update the ref
* to account for frame sent without cloning
*/
qdf_nbuf_ref(nbuf);
nbuf_clone = nbuf;
}
qdf_mem_copy(mc_uc_buf->data, dstmac, QDF_MAC_ADDR_SIZE);
status = qdf_mem_map_nbytes_single(vdev->osdev, mc_uc_buf->data,
QDF_DMA_TO_DEVICE, QDF_MAC_ADDR_SIZE,
&paddr_mcbuf);
if (status) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
"Mapping failure Error:%d", status);
DP_STATS_INC(vdev, tx_i.mcast_en.dropped_map_error, 1);
goto fail_map;
}
seg_info_new->frags[0].vaddr = (uint8_t *)mc_uc_buf;
seg_info_new->frags[0].paddr_lo = (uint32_t) paddr_mcbuf;
seg_info_new->frags[0].paddr_hi =
(uint16_t)((uint64_t)paddr_mcbuf >> 32);
seg_info_new->frags[0].len = QDF_MAC_ADDR_SIZE;
/*preparing data fragment*/
seg_info_new->frags[1].vaddr =
qdf_nbuf_data(nbuf) + QDF_MAC_ADDR_SIZE;
seg_info_new->frags[1].paddr_lo = (uint32_t)paddr_data;
seg_info_new->frags[1].paddr_hi =
(uint16_t)(((uint64_t)paddr_data) >> 32);
seg_info_new->frags[1].len = len - QDF_MAC_ADDR_SIZE;
seg_info_new->nbuf = nbuf_clone;
seg_info_new->frag_cnt = 2;
seg_info_new->total_len = len;
seg_info_new->next = NULL;
if (!seg_info_head)
seg_info_head = seg_info_new;
else
seg_info_tail->next = seg_info_new;
seg_info_tail = seg_info_new;
}
if (!seg_info_head) {
goto free_return;
}
msdu_info.u.sg_info.curr_seg = seg_info_head;
msdu_info.num_seg = new_mac_cnt;
msdu_info.frm_type = dp_tx_frm_me;
msdu_info.tid = HTT_INVALID_TID;
if (qdf_unlikely(vdev->mcast_enhancement_en > 0) &&
qdf_unlikely(pdev->hmmc_tid_override_en))
msdu_info.tid = pdev->hmmc_tid;
DP_STATS_INC(vdev, tx_i.mcast_en.ucast, new_mac_cnt);
dp_tx_send_msdu_multiple(vdev, nbuf, &msdu_info);
while (seg_info_head->next) {
seg_info_new = seg_info_head;
seg_info_head = seg_info_head->next;
qdf_mem_free(seg_info_new);
}
qdf_mem_free(seg_info_head);
qdf_nbuf_unmap(pdev->soc->osdev, nbuf, QDF_DMA_TO_DEVICE);
qdf_nbuf_free(nbuf);
return new_mac_cnt;
fail_map:
qdf_nbuf_free(nbuf_clone);
fail_clone:
dp_tx_me_free_buf(pdev, mc_uc_buf);
fail_buf_alloc:
qdf_mem_free(seg_info_new);
fail_seg_alloc:
dp_tx_me_mem_free(pdev, seg_info_head);
free_return:
qdf_nbuf_unmap(pdev->soc->osdev, nbuf, QDF_DMA_TO_DEVICE);
qdf_nbuf_free(nbuf);
return 1;
}