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Merge "qca-wifi: Move protocol and flow tagging code out of common host components"

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Linux Build Service Account
2019-08-22 15:37:31 -07:00
committed by Gerrit - the friendly Code Review server
parent 3bc0b63914 37a8fbeee9
commit 5d6f16d239
3 changed files with 1393 additions and 0 deletions
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723
dp/wifi3.0/dp_rx_fst.c Normal file
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/*
* Copyright (c) 2019 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef WLAN_SUPPORT_RX_FLOW_TAG
#include "dp_types.h"
#include "qdf_mem.h"
#include "qdf_nbuf.h"
#include "cfg_dp.h"
#include "wlan_cfg.h"
#include "dp_types.h"
#include "hal_rx_flow.h"
#include "dp_htt.h"
/**
* In Hawkeye, a hardware bug disallows SW to only clear a single flow entry
* when added/deleted by upper layer. Workaround is to clear entire cache,
* which can have a performance impact. Flow additions/deletions
* are bundled together over 100ms to save HW cycles if upper layer
* adds/deletes multiple flows together. Use a longer timeout during setup
* stage since no flows are anticipated at this time.
*/
#define HW_RX_FSE_CACHE_INVALIDATE_BUNDLE_PERIOD_MS (100)
#define HW_RX_FSE_CACHE_INVALIDATE_DELAYED_FST_SETUP_MS (5000)
/**
* dp_rx_flow_get_fse() - Obtain flow search entry from flow hash
* @fst: Rx FST Handle
* @flow_hash: Computed hash value of flow
*
* Return: Handle to flow search table entry
*/
static inline struct dp_rx_fse *
dp_rx_flow_get_fse(struct dp_rx_fst *fst, uint32_t flow_hash)
{
struct dp_rx_fse *fse;
uint32_t idx = hal_rx_get_hal_hash(fst->hal_rx_fst, flow_hash);
fse = (struct dp_rx_fse *)((uint8_t *)fst->base + (idx *
sizeof(struct dp_rx_fse)));
return fse;
}
/**
* dp_rx_flow_dump_flow_entry() - Print flow search entry from 5-tuple
* @fst: Rx FST Handle
* @flow_info: Flow 5-tuple
*
* Return: None
*/
void dp_rx_flow_dump_flow_entry(struct dp_rx_fst *fst,
struct cdp_rx_flow_info *flow_info)
{
dp_info("Dest IP address %x:%x:%x:%x",
flow_info->flow_tuple_info.dest_ip_127_96,
flow_info->flow_tuple_info.dest_ip_95_64,
flow_info->flow_tuple_info.dest_ip_63_32,
flow_info->flow_tuple_info.dest_ip_31_0);
dp_info("Source IP address %x:%x:%x:%x",
flow_info->flow_tuple_info.src_ip_127_96,
flow_info->flow_tuple_info.src_ip_95_64,
flow_info->flow_tuple_info.src_ip_63_32,
flow_info->flow_tuple_info.src_ip_31_0);
dp_info("Dest port %u, Src Port %u, Protocol %u",
flow_info->flow_tuple_info.dest_port,
flow_info->flow_tuple_info.src_port,
flow_info->flow_tuple_info.l4_protocol);
}
/**
* dp_rx_flow_compute_flow_hash() - Print flow search entry from 5-tuple
* @fst: Rx FST Handle
* @rx_flow_info: DP Rx Flow 5-tuple programmed by upper layer
* @flow: HAL (HW) flow entry
*
* Return: Computed Toeplitz hash
*/
uint32_t dp_rx_flow_compute_flow_hash(struct dp_rx_fst *fst,
struct cdp_rx_flow_info *rx_flow_info,
struct hal_rx_flow *flow)
{
flow->tuple_info.dest_ip_127_96 =
rx_flow_info->flow_tuple_info.dest_ip_127_96;
flow->tuple_info.dest_ip_95_64 =
rx_flow_info->flow_tuple_info.dest_ip_95_64;
flow->tuple_info.dest_ip_63_32 =
rx_flow_info->flow_tuple_info.dest_ip_63_32;
flow->tuple_info.dest_ip_31_0 =
rx_flow_info->flow_tuple_info.dest_ip_31_0;
flow->tuple_info.src_ip_127_96 =
rx_flow_info->flow_tuple_info.src_ip_127_96;
flow->tuple_info.src_ip_95_64 =
rx_flow_info->flow_tuple_info.src_ip_95_64;
flow->tuple_info.src_ip_63_32 =
rx_flow_info->flow_tuple_info.src_ip_63_32;
flow->tuple_info.src_ip_31_0 =
rx_flow_info->flow_tuple_info.src_ip_31_0;
flow->tuple_info.dest_port =
rx_flow_info->flow_tuple_info.dest_port;
flow->tuple_info.src_port =
rx_flow_info->flow_tuple_info.src_port;
flow->tuple_info.l4_protocol =
rx_flow_info->flow_tuple_info.l4_protocol;
return hal_flow_toeplitz_hash(fst->hal_rx_fst, flow);
}
/**
* dp_rx_flow_alloc_entry() - Create DP and HAL flow entries in FST
* @fst: Rx FST Handle
* @rx_flow_info: DP Rx Flow 5-tuple to be added to DP FST
* @flow: HAL (HW) flow entry that is created
*
* Return: Computed Toeplitz hash
*/
struct dp_rx_fse *dp_rx_flow_alloc_entry(struct dp_rx_fst *fst,
struct cdp_rx_flow_info *rx_flow_info,
struct hal_rx_flow *flow)
{
struct dp_rx_fse *fse = NULL;
uint32_t flow_hash;
uint32_t flow_idx;
QDF_STATUS status;
flow_hash = dp_rx_flow_compute_flow_hash(fst, rx_flow_info, flow);
status = hal_rx_insert_flow_entry(fst->hal_rx_fst,
flow_hash,
&rx_flow_info->flow_tuple_info,
&flow_idx);
if (status != QDF_STATUS_SUCCESS) {
dp_err("Add entry failed with status %d for tuple with hash %u",
status, flow_hash);
return NULL;
}
fse = dp_rx_flow_get_fse(fst, flow_idx);
fse->is_ipv4_addr_entry = rx_flow_info->is_addr_ipv4;
fse->flow_hash = flow_hash;
fse->flow_id = flow_idx;
fse->stats.msdu_count = 0;
fse->is_valid = true;
return fse;
}
/**
* dp_rx_flow_find_entry_by_tuple() - Find the DP FSE matching a given 5-tuple
* @fst: Rx FST Handle
* @rx_flow_info: DP Rx Flow 5-tuple
* @flow: Pointer to the HAL (HW) flow entry
*
* Return: Pointer to the DP FSE entry
*/
struct dp_rx_fse *
dp_rx_flow_find_entry_by_tuple(struct dp_rx_fst *fst,
struct cdp_rx_flow_info *rx_flow_info,
struct hal_rx_flow *flow)
{
uint32_t flow_hash;
uint32_t flow_idx;
QDF_STATUS status;
flow_hash = dp_rx_flow_compute_flow_hash(fst, rx_flow_info, flow);
status = hal_rx_find_flow_from_tuple(fst->hal_rx_fst,
flow_hash,
&rx_flow_info->flow_tuple_info,
&flow_idx);
if (status != QDF_STATUS_SUCCESS) {
dp_err("Could not find tuple with hash %u", flow_hash);
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
return NULL;
}
return dp_rx_flow_get_fse(fst, flow_idx);
}
/**
* dp_rx_flow_find_entry_by_flowid() - Find DP FSE matching a given flow index
* @fst: Rx FST Handle
* @flow_id: Flow index of the requested flow
*
* Return: Pointer to the DP FSE entry
*/
struct dp_rx_fse *
dp_rx_flow_find_entry_by_flowid(struct dp_rx_fst *fst,
uint32_t flow_id)
{
struct dp_rx_fse *fse = NULL;
fse = dp_rx_flow_get_fse(fst, flow_id);
if (!fse->is_valid)
return NULL;
dp_info("flow_idx= %d, flow_addr = %pK", flow_id, fse);
qdf_assert_always(fse->flow_id == flow_id);
return fse;
}
/**
* dp_rx_flow_send_htt_operation_cmd() - Send HTT FSE command to FW for flow
* addition/removal
* @pdev: Pdev instance
* @op: Add/delete operation
* @info: DP Flow parameters of the flow added/deleted
*
* Return: Success on sending HTT command to FW, error on failure
*/
QDF_STATUS dp_rx_flow_send_htt_operation_cmd(struct dp_pdev *pdev,
enum dp_htt_flow_fst_operation op,
struct cdp_rx_flow_info *info)
{
struct dp_htt_rx_flow_fst_operation fst_op;
struct wlan_cfg_dp_soc_ctxt *cfg = pdev->soc->wlan_cfg_ctx;
qdf_mem_set(&fst_op, 0, sizeof(struct dp_htt_rx_flow_fst_operation));
if (qdf_unlikely(wlan_cfg_is_rx_flow_search_table_per_pdev(cfg))) {
/* Firmware pdev ID starts from 1 */
fst_op.pdev_id = DP_SW2HW_MACID(pdev->pdev_id);
} else {
fst_op.pdev_id = 0;
}
fst_op.op_code = op;
fst_op.rx_flow = info;
return dp_htt_rx_flow_fse_operation(pdev, &fst_op);
}
/**
* dp_rx_flow_add_entry() - Add a flow entry to flow search table
* @pdev: DP pdev instance
* @rx_flow_info: DP flow paramaters
*
* Return: Success when flow is added, no-memory or already exists on error
*/
QDF_STATUS dp_rx_flow_add_entry(struct dp_pdev *pdev,
struct cdp_rx_flow_info *rx_flow_info)
{
struct hal_rx_flow flow = { 0 };
struct dp_rx_fse *fse;
struct dp_soc *soc = pdev->soc;
struct dp_rx_fst *fst;
fst = pdev->rx_fst;
/* Initialize unused bits in IPv6 address for IPv4 address */
if (rx_flow_info->is_addr_ipv4) {
rx_flow_info->flow_tuple_info.dest_ip_63_32 = 0;
rx_flow_info->flow_tuple_info.dest_ip_95_64 = 0;
rx_flow_info->flow_tuple_info.dest_ip_127_96 =
HAL_IP_DA_SA_PREFIX_IPV4_COMPATIBLE_IPV6;
rx_flow_info->flow_tuple_info.src_ip_63_32 = 0;
rx_flow_info->flow_tuple_info.src_ip_95_64 = 0;
rx_flow_info->flow_tuple_info.src_ip_127_96 =
HAL_IP_DA_SA_PREFIX_IPV4_COMPATIBLE_IPV6;
}
/* Allocate entry in DP FST */
fse = dp_rx_flow_alloc_entry(fst, rx_flow_info, &flow);
if (NULL == fse) {
dp_err("RX FSE alloc failed");
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
return QDF_STATUS_E_NOMEM;
}
dp_info("flow_addr = %pK, flow_id = %u, valid = %d, v4 = %d\n",
fse, fse->flow_id, fse->is_valid, fse->is_ipv4_addr_entry);
/* Initialize other parameters for HW flow & populate HW FSE entry */
flow.reo_destination_indication = (fse->flow_hash &
HAL_REO_DEST_IND_HASH_MASK);
/**
* Reo destination of each flow is mapped to match the same used
* by RX Hash algorithm. If RX Hash is disabled, then the REO
* destination below is directly got from pdev, rather than using
* dp_peer_setup_get_reo_hash since we do not have vdev handle here.
*/
if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
flow.reo_destination_indication |=
HAL_REO_DEST_IND_START_OFFSET;
} else {
flow.reo_destination_indication = pdev->reo_dest;
}
flow.reo_destination_handler = HAL_RX_FSE_REO_DEST_FT;
flow.fse_metadata = rx_flow_info->fse_metadata;
fse->hal_rx_fse = hal_rx_flow_setup_fse(fst->hal_rx_fst,
fse->flow_id, &flow);
if (qdf_unlikely(!fse->hal_rx_fse)) {
dp_err("Unable to alloc FSE entry");
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
/* Free up the FSE entry as returning failure */
fse->is_valid = false;
return QDF_STATUS_E_EXISTS;
}
/* Increment number of valid entries in table */
fst->num_entries++;
dp_info("FST num_entries = %d, reo_dest_ind = %d, reo_dest_hand = %u",
fst->num_entries, flow.reo_destination_indication,
flow.reo_destination_handler);
if (soc->is_rx_fse_full_cache_invalidate_war_enabled) {
qdf_atomic_set(&fst->is_cache_update_pending, 1);
} else {
QDF_STATUS status;
/**
* Send HTT cache invalidation command to firmware to
* reflect the added flow
*/
status = dp_rx_flow_send_htt_operation_cmd(
pdev,
DP_HTT_FST_CACHE_INVALIDATE_ENTRY,
rx_flow_info);
if (QDF_STATUS_SUCCESS != status) {
dp_err("Send cache invalidate entry to fw failed: %u",
status);
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
/* Free DP FSE and HAL FSE */
hal_rx_flow_delete_entry(fst->hal_rx_fst,
fse->hal_rx_fse);
fse->is_valid = false;
return status;
}
}
return QDF_STATUS_SUCCESS;
}
/**
* dp_rx_flow_delete_entry() - Delete a flow entry from flow search table
* @pdev: pdev handle
* @rx_flow_info: DP flow parameters
*
* Return: Success when flow is deleted, error on failure
*/
QDF_STATUS dp_rx_flow_delete_entry(struct dp_pdev *pdev,
struct cdp_rx_flow_info *rx_flow_info)
{
struct hal_rx_flow flow = { 0 };
struct dp_rx_fse *fse;
struct dp_soc *soc = pdev->soc;
struct dp_rx_fst *fst;
QDF_STATUS status;
fst = pdev->rx_fst;
/* Find the given flow entry DP FST */
fse = dp_rx_flow_find_entry_by_tuple(fst, rx_flow_info, &flow);
if (!fse) {
dp_err("RX flow delete entry failed");
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
return QDF_STATUS_E_INVAL;
}
/* Delete the FSE in HW FST */
status = hal_rx_flow_delete_entry(fst->hal_rx_fst, fse->hal_rx_fse);
qdf_assert_always(status == QDF_STATUS_SUCCESS);
/* Free the FSE in DP FST */
fse->is_valid = false;
/* Decrement number of valid entries in table */
fst->num_entries--;
if (soc->is_rx_fse_full_cache_invalidate_war_enabled) {
qdf_atomic_set(&fst->is_cache_update_pending, 1);
} else {
/**
* Send HTT cache invalidation command to firmware
* to reflect the deleted flow
*/
status = dp_rx_flow_send_htt_operation_cmd(
pdev,
DP_HTT_FST_CACHE_INVALIDATE_ENTRY,
rx_flow_info);
if (QDF_STATUS_SUCCESS != status) {
dp_err("Send cache invalidate entry to fw failed: %u",
status);
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
/* Do not add entry back in DP FSE and HAL FSE */
return status;
}
}
return QDF_STATUS_SUCCESS;
}
/* dp_rx_flow_update_fse_stats() - Update a flow's statistics
* @pdev: pdev handle
* @flow_id: flow index (truncated hash) in the Rx FST
*
* Return: Success when flow statistcs is updated, error on failure
*/
QDF_STATUS dp_rx_flow_update_fse_stats(struct dp_pdev *pdev, uint32_t flow_id)
{
struct dp_rx_fse *fse;
fse = dp_rx_flow_find_entry_by_flowid(pdev->rx_fst, flow_id);
if (NULL == fse) {
dp_err("Flow not found, flow ID %u", flow_id);
return QDF_STATUS_E_NOENT;
}
fse->stats.msdu_count += 1;
return QDF_STATUS_SUCCESS;
}
/**
* dp_rx_flow_get_fse_stats() - Fetch a flow's stats based on DP flow parameter
* @pdev: pdev handle
* @rx_flow_info: Pointer to the DP flow struct of the requested flow
* @stats: Matching flow's stats returned to caller
*
* Return: Success when flow statistcs is updated, error on failure
*/
QDF_STATUS dp_rx_flow_get_fse_stats(struct dp_pdev *pdev,
struct cdp_rx_flow_info *rx_flow_info,
struct cdp_flow_stats *stats)
{
struct dp_rx_fst *fst;
struct dp_rx_fse *fse;
struct hal_rx_flow flow;
fst = pdev->rx_fst;
/* Find the given flow entry DP FST */
fse = dp_rx_flow_find_entry_by_tuple(fst, rx_flow_info, &flow);
if (!fse) {
dp_err("RX flow entry search failed");
dp_rx_flow_dump_flow_entry(fst, rx_flow_info);
return QDF_STATUS_E_INVAL;
}
stats->msdu_count = fse->stats.msdu_count;
return QDF_STATUS_SUCCESS;
}
/**
* dp_rx_flow_cache_invalidate_timer_handler() - Timer handler used for bundling
* flows before invalidating entire cache
* @ctx: Pdev handle
*
* Return: None
*/
void dp_rx_flow_cache_invalidate_timer_handler(void *ctx)
{
struct dp_pdev *pdev = (struct dp_pdev *)ctx;
struct dp_rx_fst *fst;
bool is_update_pending;
QDF_STATUS status;
fst = pdev->rx_fst;
qdf_assert_always(fst);
is_update_pending = qdf_atomic_read(&fst->is_cache_update_pending);
qdf_atomic_set(&fst->is_cache_update_pending, 0);
if (is_update_pending) {
/* Send full cache invalidate command to firmware */
status = dp_rx_flow_send_htt_operation_cmd(
pdev,
DP_HTT_FST_CACHE_INVALIDATE_FULL,
NULL);
if (QDF_STATUS_SUCCESS != status)
dp_err("Send full cache inv to fw failed: %u", status);
}
qdf_timer_start(&fst->cache_invalidate_timer,
HW_RX_FSE_CACHE_INVALIDATE_BUNDLE_PERIOD_MS);
}
/**
* dp_rx_fst_attach() - Initialize Rx FST and setup necessary parameters
* @soc: SoC handle
* @pdev: Pdev handle
*
* Return: Handle to flow search table entry
*/
QDF_STATUS dp_rx_fst_attach(struct dp_soc *soc, struct dp_pdev *pdev)
{
struct dp_rx_fst *fst;
uint8_t *hash_key;
struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
bool is_rx_flow_search_table_per_pdev =
wlan_cfg_is_rx_flow_search_table_per_pdev(cfg);
if (qdf_unlikely(!wlan_cfg_is_rx_flow_tag_enabled(cfg))) {
dp_err("RX Flow tag feature disabled");
return QDF_STATUS_E_NOSUPPORT;
}
if (!wlan_psoc_nif_fw_ext_cap_get((void *)pdev->ctrl_pdev,
WLAN_SOC_CEXT_RX_FSE_SUPPORT)) {
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"rx fse disabled in FW\n");
wlan_cfg_set_rx_flow_tag_enabled(cfg, false);
return QDF_STATUS_E_NOSUPPORT;
}
/**
* Func. is called for every pdev. If FST is per SOC, then return
* if it was already called once.
*/
if (!is_rx_flow_search_table_per_pdev && soc->rx_fst) {
pdev->rx_fst = soc->rx_fst;
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"RX FST for SoC is already initialized");
return QDF_STATUS_SUCCESS;
}
/**
* Func. is called for this pdev already. This is an error.
* Return failure
*/
if (is_rx_flow_search_table_per_pdev && pdev->rx_fst) {
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"RX FST for PDEV %u is already initialized",
pdev->pdev_id);
return QDF_STATUS_E_EXISTS;
}
fst = qdf_mem_malloc(sizeof(struct dp_rx_fst));
if (!fst) {
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"RX FST allocation failed\n");
return QDF_STATUS_E_NOMEM;
}
qdf_mem_set(fst, 0, sizeof(struct dp_rx_fst));
fst->max_skid_length = wlan_cfg_rx_fst_get_max_search(cfg);
fst->max_entries = wlan_cfg_get_rx_flow_search_table_size(cfg);
hash_key = wlan_cfg_rx_fst_get_hash_key(cfg);
if (!(fst->max_entries &&
(!(fst->max_entries & (fst->max_entries - 1))))) {
uint32_t next_power_of_2 = fst->max_entries - 1;
next_power_of_2 |= (next_power_of_2 >> 1);
next_power_of_2 |= (next_power_of_2 >> 2);
next_power_of_2 |= (next_power_of_2 >> 4);
next_power_of_2 |= (next_power_of_2 >> 8);
next_power_of_2 |= (next_power_of_2 >> 16);
next_power_of_2++;
if (next_power_of_2 > WLAN_CFG_RX_FLOW_SEARCH_TABLE_SIZE_MAX)
next_power_of_2 =
WLAN_CFG_RX_FLOW_SEARCH_TABLE_SIZE_MAX;
dp_info("Num entries in cfg is not a ^2:%u, using next ^2:%u",
fst->max_entries, next_power_of_2);
fst->max_entries = next_power_of_2;
}
fst->hash_mask = fst->max_entries - 1;
fst->num_entries = 0;
fst->base = (uint8_t *) qdf_mem_malloc(sizeof(struct dp_rx_fse) *
fst->max_entries);
if (!fst->base) {
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"Rx fst->base allocation failed, #entries:%d\n",
fst->max_entries);
qdf_mem_free(fst);
return QDF_STATUS_E_NOMEM;
}
qdf_mem_set((uint8_t *)fst->base, 0,
(sizeof(struct dp_rx_fse) * fst->max_entries));
fst->hal_rx_fst = hal_rx_fst_attach(
soc->osdev,
&fst->hal_rx_fst_base_paddr,
fst->max_entries,
fst->max_skid_length,
hash_key);
if (qdf_unlikely(!fst->hal_rx_fst)) {
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"Rx Hal fst allocation failed, #entries:%d\n",
fst->max_entries);
qdf_mem_free(fst->base);
qdf_mem_free(fst);
return QDF_STATUS_E_NOMEM;
}
if (!is_rx_flow_search_table_per_pdev)
soc->rx_fst = fst;
pdev->rx_fst = fst;
if (soc->is_rx_fse_full_cache_invalidate_war_enabled) {
QDF_STATUS status;
status = qdf_timer_init(
soc->osdev,
&fst->cache_invalidate_timer,
dp_rx_flow_cache_invalidate_timer_handler,
(void *)pdev,
QDF_TIMER_TYPE_SW);
qdf_assert_always(status == QDF_STATUS_SUCCESS);
/* Start the timer */
qdf_timer_start(
&fst->cache_invalidate_timer,
HW_RX_FSE_CACHE_INVALIDATE_DELAYED_FST_SETUP_MS);
qdf_atomic_set(&fst->is_cache_update_pending, false);
}
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_INFO,
"Rx FST attach successful, #entries:%d\n",
fst->max_entries);
return QDF_STATUS_SUCCESS;
}
/**
* dp_rx_fst_detach() - De-initialize Rx FST
* @soc: SoC handle
* @pdev: Pdev handle
*
* Return: None
*/
void dp_rx_fst_detach(struct dp_soc *soc, struct dp_pdev *pdev)
{
struct dp_rx_fst *dp_fst;
struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
if (qdf_unlikely(wlan_cfg_is_rx_flow_search_table_per_pdev(cfg))) {
dp_fst = pdev->rx_fst;
pdev->rx_fst = NULL;
} else {
dp_fst = soc->rx_fst;
soc->rx_fst = NULL;
}
if (qdf_likely(dp_fst)) {
hal_rx_fst_detach(dp_fst->hal_rx_fst, soc->osdev);
if (soc->is_rx_fse_full_cache_invalidate_war_enabled) {
qdf_timer_sync_cancel(&dp_fst->cache_invalidate_timer);
qdf_timer_stop(&dp_fst->cache_invalidate_timer);
qdf_timer_free(&dp_fst->cache_invalidate_timer);
}
qdf_mem_free(dp_fst->base);
qdf_mem_free(dp_fst);
}
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
"Rx FST detached for pdev %u\n", pdev->pdev_id);
}
/**
* dp_rx_flow_send_fst_fw_setup() - Program FST parameters in FW/HW post-attach
* @soc: SoC handle
* @pdev: Pdev handle
*
* Return: Success when fst parameters are programmed in FW, error otherwise
*/
QDF_STATUS dp_rx_flow_send_fst_fw_setup(struct dp_soc *soc,
struct dp_pdev *pdev)
{
struct dp_htt_rx_flow_fst_setup fst_setup;
struct dp_rx_fst *fst;
QDF_STATUS status;
struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
if (qdf_unlikely(!wlan_cfg_is_rx_flow_tag_enabled(cfg)))
return QDF_STATUS_SUCCESS;
qdf_mem_set(&fst_setup, 0, sizeof(struct dp_htt_rx_flow_fst_setup));
if (qdf_unlikely(wlan_cfg_is_rx_flow_search_table_per_pdev(cfg))) {
/* Firmware pdev ID starts from 1 */
fst_setup.pdev_id = DP_SW2HW_MACID(pdev->pdev_id);
fst = pdev->rx_fst;
} else {
fst_setup.pdev_id = 0;
fst = soc->rx_fst;
}
fst_setup.max_entries = fst->max_entries;
fst_setup.max_search = fst->max_skid_length;
fst_setup.base_addr_lo = (uint32_t)fst->hal_rx_fst_base_paddr;
fst_setup.base_addr_hi =
(uint32_t)((uint64_t)fst->hal_rx_fst_base_paddr >> 32);
fst_setup.ip_da_sa_prefix =
HAL_FST_IP_DA_SA_PFX_TYPE_IPV4_COMPATIBLE_IPV6;
fst_setup.hash_key = wlan_cfg_rx_fst_get_hash_key(cfg);
fst_setup.hash_key_len = HAL_FST_HASH_KEY_SIZE_BYTES;
status = dp_htt_rx_flow_fst_setup(pdev, &fst_setup);
if (status == QDF_STATUS_SUCCESS) {
fst->fse_setup_done = true;
return status;
}
QDF_TRACE(QDF_MODULE_ID_ANY, QDF_TRACE_LEVEL_ERROR,
"Failed to send Rx FSE Setup pdev%d status %d\n",
pdev->pdev_id, status);
/* Free all the memory allocations and data structures */
dp_rx_fst_detach(pdev->soc, pdev);
return status;
}
#endif /* WLAN_SUPPORT_RX_FLOW_TAG */

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/*
* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "hal_hw_headers.h"
#include "hal_api.h"
#include "hal_rx.h"
#include "qdf_trace.h"
#include "dp_tx.h"
#include "dp_peer.h"
#include "dp_internal.h"
#include "dp_rx_tag.h"
#if defined(WLAN_SUPPORT_RX_TAG_STATISTICS) && \
defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG)
/**
* dp_rx_update_rx_protocol_tag_stats() - Increments the protocol tag stats
* for the given protocol type
* @soc: core txrx main context
* @pdev: TXRX pdev context for which stats should be incremented
* @protocol_index: Protocol index for which the stats should be incremented
* @ring_index: REO ring number from which this tag was received.
*
* Since HKv2 is a SMP, two or more cores may simultaneously receive packets
* of same type, and hence attempt to increment counters for the same protocol
* type at the same time. This creates the possibility of missing stats.
*
* For example, when two or more CPUs have each read the old tag value, V,
* for protocol type, P and each increment the value to V+1. Instead, the
* operations should have been sequenced to achieve a final value of V+2.
*
* In order to avoid this scenario, we can either use locks or store stats
* on a per-CPU basis. Since tagging happens in the core data path, locks
* are not preferred. Instead, we use a per-ring counter, since each CPU
* operates on a REO ring.
*
* Return: void
*/
void dp_rx_update_rx_protocol_tag_stats(struct dp_pdev *pdev,
uint16_t protocol_index,
uint16_t ring_index)
{
if (ring_index >= MAX_REO_DEST_RINGS)
return;
pdev->reo_proto_tag_stats[ring_index][protocol_index].tag_ctr++;
}
#endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */
#if defined(WLAN_SUPPORT_RX_TAG_STATISTICS) && \
defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG)
/**
* dp_rx_update_rx_err_protocol_tag_stats() - Increments the protocol tag stats
* for the given protocol type
* received from exception ring
* @soc: core txrx main context
* @pdev: TXRX pdev context for which stats should be incremented
* @protocol_index: Protocol index for which the stats should be incremented
*
* In HKv2, all exception packets are received on Ring-0 (along with normal
* Rx). Hence tags are maintained separately for exception ring as well.
*
* Return: void
*/
void dp_rx_update_rx_err_protocol_tag_stats(struct dp_pdev *pdev,
uint16_t protocol_index)
{
pdev->rx_err_proto_tag_stats[protocol_index].tag_ctr++;
}
#endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */
/**
* dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
* and set the corresponding tag in QDF packet
* @soc: core txrx main context
* @vdev: vdev on which the packet is received
* @nbuf: QDF pkt buffer on which the protocol tag should be set
* @rx_tlv_hdr: rBbase address where the RX TLVs starts
* @ring_index: REO ring number, not used for error & monitor ring
* @is_reo_exception: flag to indicate if rx from REO ring or exception ring
* @is_update_stats: flag to indicate whether to update stats or not
* Return: void
*/
#ifdef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
void
dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
uint16_t ring_index,
bool is_reo_exception, bool is_update_stats)
{
uint16_t cce_metadata = RX_PROTOCOL_TAG_START_OFFSET;
bool cce_match = false;
struct dp_pdev *pdev;
uint16_t protocol_tag = 0;
if (qdf_unlikely(!vdev))
return;
pdev = vdev->pdev;
if (qdf_likely(!pdev->is_rx_protocol_tagging_enabled))
return;
/*
* In case of raw frames, rx_attention and rx_msdu_end tlv
* may be stale or invalid. Do not tag such frames.
* Default decap_type is set to ethernet for monitor vdev,
* therefore, cannot check decap_type for monitor mode.
* We will call this only for eth frames from dp_rx_mon_dest.c.
*/
if (qdf_likely(!(pdev->monitor_vdev && pdev->monitor_vdev == vdev) &&
(vdev->rx_decap_type != htt_cmn_pkt_type_ethernet)))
return;
/*
* Check whether HW has filled in the CCE metadata in
* this packet, if not filled, just return
*/
if (qdf_likely(!hal_rx_msdu_cce_match_get(rx_tlv_hdr)))
return;
cce_match = true;
/* Get the cce_metadata from RX MSDU TLV */
cce_metadata = (hal_rx_msdu_cce_metadata_get(rx_tlv_hdr) &
RX_MSDU_END_16_CCE_METADATA_MASK);
/*
* Received CCE metadata should be within the
* valid limits
*/
qdf_assert_always((cce_metadata >= RX_PROTOCOL_TAG_START_OFFSET) &&
(cce_metadata < (RX_PROTOCOL_TAG_START_OFFSET +
RX_PROTOCOL_TAG_MAX)));
/*
* The CCE metadata received is just the
* packet_type + RX_PROTOCOL_TAG_START_OFFSET
*/
cce_metadata -= RX_PROTOCOL_TAG_START_OFFSET;
/*
* Update the QDF packet with the user-specified
* tag/metadata by looking up tag value for
* received protocol type.
*/
protocol_tag = pdev->rx_proto_tag_map[cce_metadata].tag;
qdf_nbuf_set_rx_protocol_tag(nbuf, protocol_tag);
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW,
"Seq:%u dcap:%u CCE Match:%u ProtoID:%u Tag:%u stats:%u",
hal_rx_get_rx_sequence(rx_tlv_hdr),
vdev->rx_decap_type, cce_match, cce_metadata,
protocol_tag, is_update_stats);
if (qdf_likely(!is_update_stats))
return;
if (qdf_unlikely(is_reo_exception)) {
dp_rx_update_rx_err_protocol_tag_stats(pdev,
cce_metadata);
} else {
dp_rx_update_rx_protocol_tag_stats(pdev,
cce_metadata,
ring_index);
}
}
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
/**
* dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
* and set the corresponding tag in QDF packet
* @soc: core txrx main context
* @vdev: vdev on which the packet is received
* @nbuf: QDF pkt buffer on which the protocol tag should be set
* @rx_tlv_hdr: base address where the RX TLVs starts
* @is_update_stats: flag to indicate whether to update stats or not
*
* Return: void
*/
#ifdef WLAN_SUPPORT_RX_FLOW_TAG
void
dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats)
{
bool flow_idx_invalid, flow_idx_timeout;
uint32_t flow_idx, fse_metadata;
struct dp_pdev *pdev;
if (qdf_unlikely(!vdev))
return;
pdev = vdev->pdev;
if (qdf_likely(!wlan_cfg_is_rx_flow_tag_enabled(soc->wlan_cfg_ctx)))
return;
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW,
"Seq:%u dcap:%u invalid:%u timeout:%u flow:%u tag:%u stat:%u",
hal_rx_get_rx_sequence(rx_tlv_hdr),
vdev->rx_decap_type,
hal_rx_msdu_flow_idx_invalid(rx_tlv_hdr),
hal_rx_msdu_flow_idx_timeout(rx_tlv_hdr),
hal_rx_msdu_flow_idx_get(rx_tlv_hdr),
hal_rx_msdu_fse_metadata_get(rx_tlv_hdr),
update_stats);
/**
* In case of raw frames, rx_msdu_end tlv may be stale or invalid.
* Do not tag such frames in normal REO path.
* Default decap_type is set to ethernet for monitor vdev currently,
* therefore, we will not check decap_type for monitor mode.
* We will call this only for eth frames from dp_rx_mon_dest.c.
*/
if (qdf_likely((vdev->rx_decap_type != htt_cmn_pkt_type_ethernet)))
return;
flow_idx_invalid = hal_rx_msdu_flow_idx_invalid(rx_tlv_hdr);
hal_rx_msdu_get_flow_params(rx_tlv_hdr, &flow_idx_invalid,
&flow_idx_timeout, &flow_idx);
if (qdf_unlikely(flow_idx_invalid))
return;
if (qdf_unlikely(flow_idx_timeout))
return;
/**
* Limit FSE metadata to 16 bit as we have allocated only
* 16 bits for flow_tag field in skb->cb
*/
fse_metadata = hal_rx_msdu_fse_metadata_get(rx_tlv_hdr) & 0xFFFF;
/* update the skb->cb with the user-specified tag/metadata */
qdf_nbuf_set_rx_flow_tag(nbuf, fse_metadata);
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW,
"Seq:%u dcap:%u invalid:%u timeout:%u flow:%u tag:%u stat:%u",
hal_rx_get_rx_sequence(rx_tlv_hdr),
vdev->rx_decap_type, flow_idx_invalid, flow_idx_timeout,
flow_idx, fse_metadata, update_stats);
if (qdf_likely(update_stats))
dp_rx_update_rx_flow_tag_stats(pdev, flow_idx);
}
#endif /* WLAN_SUPPORT_RX_FLOW_TAG */
#if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
defined(WLAN_SUPPORT_RX_FLOW_TAG)
/**
* dp_rx_mon_update_protocol_flow_tag() - Performs necessary checks for monitor
* mode and then tags appropriate packets
* @soc: core txrx main context
* @vdev: pdev on which packet is received
* @msdu: QDF packet buffer on which the protocol tag should be set
* @rx_desc: base address where the RX TLVs start
* Return: void
*/
void dp_rx_mon_update_protocol_flow_tag(struct dp_soc *soc,
struct dp_pdev *dp_pdev,
qdf_nbuf_t msdu, void *rx_desc)
{
uint32_t msdu_ppdu_id = 0;
struct mon_rx_status *mon_recv_status;
bool is_mon_protocol_flow_tag_enabled =
wlan_cfg_is_rx_mon_protocol_flow_tag_enabled(soc->wlan_cfg_ctx);
if (qdf_likely(!is_mon_protocol_flow_tag_enabled))
return;
if (qdf_likely(!dp_pdev->monitor_vdev))
return;
if (qdf_likely(1 != dp_pdev->ppdu_info.rx_status.rxpcu_filter_pass))
return;
msdu_ppdu_id = HAL_RX_HW_DESC_GET_PPDUID_GET(rx_desc);
if (msdu_ppdu_id != dp_pdev->ppdu_info.com_info.ppdu_id) {
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_ERROR,
"msdu_ppdu_id=%x,com_info.ppdu_id=%x",
msdu_ppdu_id,
dp_pdev->ppdu_info.com_info.ppdu_id);
return;
}
mon_recv_status = &dp_pdev->ppdu_info.rx_status;
if (mon_recv_status->frame_control_info_valid &&
((mon_recv_status->frame_control & IEEE80211_FC0_TYPE_MASK) ==
IEEE80211_FC0_TYPE_DATA)) {
/*
* Update the protocol tag in SKB for packets received on BSS.
* Do not update tag stats since it would double actual
* received count.
*/
dp_rx_update_protocol_tag(soc,
dp_pdev->monitor_vdev,
msdu, rx_desc,
MAX_REO_DEST_RINGS,
false, false);
/* Update the flow tag in SKB based on FSE metadata */
dp_rx_update_flow_tag(soc, dp_pdev->monitor_vdev,
msdu, rx_desc, false);
}
}
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG || WLAN_SUPPORT_RX_FLOW_TAG */
#ifdef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
#ifdef WLAN_SUPPORT_RX_TAG_STATISTICS
/**
* dp_summarize_tag_stats - sums up the given protocol type's counters
* across all the rings and dumps the same
* @pdev_handle: cdp_pdev handle
* @protocol_type: protocol type for which stats should be displayed
*
* Return: none
*/
uint64_t dp_summarize_tag_stats(struct cdp_pdev *pdev_handle,
uint16_t protocol_type)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
uint8_t ring_idx;
uint64_t total_tag_cnt = 0;
for (ring_idx = 0; ring_idx < MAX_REO_DEST_RINGS; ring_idx++) {
total_tag_cnt +=
pdev->reo_proto_tag_stats[ring_idx][protocol_type].tag_ctr;
}
total_tag_cnt += pdev->rx_err_proto_tag_stats[protocol_type].tag_ctr;
DP_PRINT_STATS("ProtoID: %d, Tag: %u Tagged MSDU cnt: %llu",
protocol_type,
pdev->rx_proto_tag_map[protocol_type].tag,
total_tag_cnt);
return total_tag_cnt;
}
/**
* dp_dump_pdev_rx_protocol_tag_stats - dump the number of packets tagged for
* given protocol type (RX_PROTOCOL_TAG_ALL indicates for all protocol)
* @pdev_handle: cdp_pdev handle
* @protocol_type: protocol type for which stats should be displayed
*
* Return: none
*/
void
dp_dump_pdev_rx_protocol_tag_stats(struct cdp_pdev *pdev_handle,
uint16_t protocol_type)
{
uint16_t proto_idx;
if (protocol_type != RX_PROTOCOL_TAG_ALL &&
protocol_type >= RX_PROTOCOL_TAG_MAX) {
DP_PRINT_STATS("Invalid protocol type : %u", protocol_type);
return;
}
/* protocol_type in [0 ... RX_PROTOCOL_TAG_MAX] */
if (protocol_type != RX_PROTOCOL_TAG_ALL) {
dp_summarize_tag_stats(pdev_handle, protocol_type);
return;
}
/* protocol_type == RX_PROTOCOL_TAG_ALL */
for (proto_idx = 0; proto_idx < RX_PROTOCOL_TAG_MAX; proto_idx++)
dp_summarize_tag_stats(pdev_handle, proto_idx);
}
#endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */
#ifdef WLAN_SUPPORT_RX_TAG_STATISTICS
/**
* dp_reset_pdev_rx_protocol_tag_stats - resets the stats counters for
* given protocol type
* @pdev_handle: cdp_pdev handle
* @protocol_type: protocol type for which stats should be reset
*
* Return: none
*/
void
dp_reset_pdev_rx_protocol_tag_stats(struct cdp_pdev *pdev_handle,
uint16_t protocol_type)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
uint8_t ring_idx;
for (ring_idx = 0; ring_idx < MAX_REO_DEST_RINGS; ring_idx++)
pdev->reo_proto_tag_stats[ring_idx][protocol_type].tag_ctr = 0;
pdev->rx_err_proto_tag_stats[protocol_type].tag_ctr = 0;
}
#endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */
/**
* dp_update_pdev_rx_protocol_tag - Add/remove a protocol tag that should be
* applied to the desired protocol type packets
* @txrx_pdev_handle: cdp_pdev handle
* @enable_rx_protocol_tag - bitmask that indicates what protocol types
* are enabled for tagging. zero indicates disable feature, non-zero indicates
* enable feature
* @protocol_type: new protocol type for which the tag is being added
* @tag: user configured tag for the new protocol
*
* Return: QDF_STATUS
*/
QDF_STATUS
dp_update_pdev_rx_protocol_tag(struct cdp_pdev *pdev_handle,
uint32_t enable_rx_protocol_tag,
uint16_t protocol_type,
uint16_t tag)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
/*
* dynamically enable/disable tagging based on enable_rx_protocol_tag
* flag.
*/
if (enable_rx_protocol_tag) {
/* Tagging for one or more protocols has been set by user */
pdev->is_rx_protocol_tagging_enabled = true;
} else {
/*
* No protocols being tagged, disable feature till next add
* operation
*/
pdev->is_rx_protocol_tagging_enabled = false;
}
/** Reset stats counter across all rings for given protocol */
dp_reset_pdev_rx_protocol_tag_stats(pdev_handle, protocol_type);
pdev->rx_proto_tag_map[protocol_type].tag = tag;
return QDF_STATUS_SUCCESS;
}
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
#ifdef WLAN_SUPPORT_RX_FLOW_TAG
/**
* dp_set_rx_flow_tag - add/delete a flow
* @pdev_handle: cdp_pdev handle
* @flow_info: flow tuple that is to be added to/deleted from flow search table
*
* Return: 0 for success, nonzero for failure
*/
QDF_STATUS
dp_set_rx_flow_tag(struct cdp_pdev *pdev_handle,
struct cdp_rx_flow_info *flow_info)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
struct wlan_cfg_dp_soc_ctxt *cfg = pdev->soc->wlan_cfg_ctx;
if (qdf_unlikely(!wlan_cfg_is_rx_flow_tag_enabled(cfg))) {
dp_err("RX Flow tag feature disabled");
return QDF_STATUS_E_NOSUPPORT;
}
if (flow_info->op_code == CDP_FLOW_FST_ENTRY_ADD)
return dp_rx_flow_add_entry(pdev, flow_info);
if (flow_info->op_code == CDP_FLOW_FST_ENTRY_DEL)
return dp_rx_flow_delete_entry(pdev, flow_info);
return QDF_STATUS_E_INVAL;
}
/**
* dp_dump_rx_flow_tag_stats - dump the number of packets tagged for
* given flow 5-tuple
* @pdev_handle: cdp_pdev handle
* @flow_info: flow 5-tuple for which stats should be displayed
*
* Return: 0 for success, nonzero for failure
*/
QDF_STATUS
dp_dump_rx_flow_tag_stats(struct cdp_pdev *pdev_handle,
struct cdp_rx_flow_info *flow_info)
{
QDF_STATUS status;
struct cdp_flow_stats stats;
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
struct wlan_cfg_dp_soc_ctxt *cfg = pdev->soc->wlan_cfg_ctx;
if (qdf_unlikely(!wlan_cfg_is_rx_flow_tag_enabled(cfg))) {
dp_err("RX Flow tag feature disabled");
return QDF_STATUS_E_NOSUPPORT;
}
status = dp_rx_flow_get_fse_stats(pdev, flow_info, &stats);
if (status != QDF_STATUS_SUCCESS) {
dp_err("Unable to get flow stats, error: %u", status);
return status;
}
DP_PRINT_STATS("Dest IP address %x:%x:%x:%x",
flow_info->flow_tuple_info.dest_ip_127_96,
flow_info->flow_tuple_info.dest_ip_95_64,
flow_info->flow_tuple_info.dest_ip_63_32,
flow_info->flow_tuple_info.dest_ip_31_0);
DP_PRINT_STATS("Source IP address %x:%x:%x:%x",
flow_info->flow_tuple_info.src_ip_127_96,
flow_info->flow_tuple_info.src_ip_95_64,
flow_info->flow_tuple_info.src_ip_63_32,
flow_info->flow_tuple_info.src_ip_31_0);
DP_PRINT_STATS("Dest port %u, Src Port %u, Protocol %u",
flow_info->flow_tuple_info.dest_port,
flow_info->flow_tuple_info.src_port,
flow_info->flow_tuple_info.l4_protocol);
DP_PRINT_STATS("MSDU Count: %u", stats.msdu_count);
return status;
}
#endif /* WLAN_SUPPORT_RX_FLOW_TAG */

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/*
* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DP_RX_TAG_H_
#define _DP_RX_TAG_H_
#include "dp_internal.h"
#include "dp_types.h"
#ifdef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
/**
* dp_update_pdev_rx_protocol_tag - Add/remove a protocol tag that should be
* applied to the desired protocol type packets
* @txrx_pdev_handle: cdp_pdev handle
* @enable_rx_protocol_tag - bitmask that indicates what protocol types
* are enabled for tagging. zero indicates disable feature, non-zero indicates
* enable feature
* @protocol_type: new protocol type for which the tag is being added
* @tag: user configured tag for the new protocol
*
* Return: QDF_STATUS
*/
QDF_STATUS
dp_update_pdev_rx_protocol_tag(struct cdp_pdev *pdev_handle,
uint32_t enable_rx_protocol_tag,
uint16_t protocol_type,
uint16_t tag);
/**
* dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
* and set the corresponding tag in QDF packet
* @soc: core txrx main context
* @vdev: vdev on which the packet is received
* @nbuf: QDF pkt buffer on which the protocol tag should be set
* @rx_tlv_hdr: rBbase address where the RX TLVs starts
* @ring_index: REO ring number, not used for error & monitor ring
* @is_reo_exception: flag to indicate if rx from REO ring or exception ring
* @is_update_stats: flag to indicate whether to update stats or not
* Return: void
*/
void
dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
uint16_t ring_index,
bool is_reo_exception, bool is_update_stats);
#ifdef WLAN_SUPPORT_RX_TAG_STATISTICS
/**
* dp_dump_pdev_rx_protocol_tag_stats - dump the number of packets tagged for
* given protocol type (RX_PROTOCOL_TAG_ALL indicates for all protocol)
* @pdev_handle: cdp_pdev handle
* @protocol_type: protocol type for which stats should be displayed
*
* Return: none
*/
void
dp_dump_pdev_rx_protocol_tag_stats(struct cdp_pdev *pdev_handle,
uint16_t protocol_type);
#endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
#ifdef WLAN_SUPPORT_RX_FLOW_TAG
/**
* dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
* and set the corresponding tag in QDF packet
* @soc: core txrx main context
* @vdev: vdev on which the packet is received
* @nbuf: QDF pkt buffer on which the protocol tag should be set
* @rx_tlv_hdr: base address where the RX TLVs starts
* @is_update_stats: flag to indicate whether to update stats or not
*
* Return: void
*/
void
dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats);
/**
* dp_set_rx_flow_tag - add/delete a flow
* @pdev_handle: cdp_pdev handle
* @flow_info: flow tuple that is to be added to/deleted from flow search table
*
* Return: 0 for success, nonzero for failure
*/
QDF_STATUS
dp_set_rx_flow_tag(struct cdp_pdev *pdev_handle,
struct cdp_rx_flow_info *flow_info);
/**
* dp_dump_rx_flow_tag_stats - dump the number of packets tagged for
* given flow 5-tuple
* @pdev_handle: cdp_pdev handle
* @flow_info: flow 5-tuple for which stats should be displayed
*
* Return: 0 for success, nonzero for failure
*/
QDF_STATUS
dp_dump_rx_flow_tag_stats(struct cdp_pdev *pdev_handle,
struct cdp_rx_flow_info *flow_info);
/**
* dp_rx_update_rx_flow_tag_stats() - Update stats for given flow index
* @pdev: TXRX pdev context for which stats should be incremented
* @flow_index: flow index for which the stats should be incremented
*
* Return: void
*/
extern QDF_STATUS
dp_rx_flow_update_fse_stats(struct dp_pdev *pdev, uint32_t flow_id);
static inline void
dp_rx_update_rx_flow_tag_stats(struct dp_pdev *pdev,
uint32_t flow_index)
{
dp_rx_flow_update_fse_stats(pdev, flow_index);
}
#endif /* WLAN_SUPPORT_RX_FLOW_TAG */
#if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
defined(WLAN_SUPPORT_RX_FLOW_TAG)
/**
* dp_rx_mon_update_protocol_flow_tag() - Performs necessary checks for monitor
* mode and then tags appropriate packets
* @soc: core txrx main context
* @vdev: pdev on which packet is received
* @msdu: QDF packet buffer on which the protocol tag should be set
* @rx_desc: base address where the RX TLVs start
* Return: void
*/
void dp_rx_mon_update_protocol_flow_tag(struct dp_soc *soc,
struct dp_pdev *dp_pdev,
qdf_nbuf_t msdu, void *rx_desc);
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG || WLAN_SUPPORT_RX_FLOW_TAG */
#endif /* _DP_RX_TAG_H_ */