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qcacld-3.0: Don't skip GRO flush for non-legacy clients

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Currently GRO flush is being skipped if bus bandwidth level
is low this is resulting in rx packets to be in queue for more
time and affecting over all RTT value.

To avoid this for non legacy clients GRO flush is not being skipped
even at low throughput level.

Change-Id: I5ce64ee2bd5f332cf4db38116b1bbf400220269b
CRs-Fixed: 2978843
This commit is contained in:
Karthik Kantamneni 2021-06-24 22:03:11 +05:30 • committed by Madan Koyyalamudi
commit e99a667320
2 changed files with 13 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

6
core/hdd/inc/wlan_hdd_main.h
View file

@ -2880,8 +2880,7 @@ hdd_add_latency_critical_client(struct hdd_adapter *adapter,
switch (phymode) {
case QCA_WLAN_802_11_MODE_11A:
case QCA_WLAN_802_11_MODE_11G:
if (adapter->device_mode == QDF_STA_MODE)
qdf_atomic_inc(&hdd_ctx->num_latency_critical_clients);
qdf_atomic_inc(&hdd_ctx->num_latency_critical_clients);
hdd_debug("Adding latency critical connection for vdev %d",
adapter->vdev_id);
@ -2914,8 +2913,7 @@ hdd_del_latency_critical_client(struct hdd_adapter *adapter,
switch (phymode) {
case QCA_WLAN_802_11_MODE_11A:
case QCA_WLAN_802_11_MODE_11G:
if (adapter->device_mode == QDF_STA_MODE)
qdf_atomic_dec(&hdd_ctx->num_latency_critical_clients);
qdf_atomic_dec(&hdd_ctx->num_latency_critical_clients);
hdd_info("Removing latency critical connection for vdev %d",
adapter->vdev_id);

14
core/hdd/src/wlan_hdd_main.c
View file

@ -9973,6 +9973,7 @@ void wlan_hdd_set_pm_qos_request(struct hdd_context *hdd_ctx,
* hdd_low_tput_gro_flush_skip_handler() - adjust GRO flush for low tput
* @hdd_ctx: handle to hdd context
* @next_vote_level: next bus bandwidth level
* @legacy_client: legacy connection mode active
*
* If bus bandwidth level is PLD_BUS_WIDTH_LOW consistently and hit
* the bus_low_cnt_threshold, set flag to skip GRO flush.
@ -9983,13 +9984,14 @@ void wlan_hdd_set_pm_qos_request(struct hdd_context *hdd_ctx,
*/
static inline void hdd_low_tput_gro_flush_skip_handler(
struct hdd_context *hdd_ctx,
enum pld_bus_width_type next_vote_level)
enum pld_bus_width_type next_vote_level,
bool legacy_client)
{
uint32_t threshold = hdd_ctx->config->bus_low_cnt_threshold;
ol_txrx_soc_handle soc = cds_get_context(QDF_MODULE_ID_SOC);
int i;
if (next_vote_level == PLD_BUS_WIDTH_LOW) {
if (next_vote_level == PLD_BUS_WIDTH_LOW && legacy_client) {
if (++hdd_ctx->bus_low_vote_cnt >= threshold)
qdf_atomic_set(&hdd_ctx->low_tput_gro_enable, 1);
} else {
@ -10043,6 +10045,7 @@ static void hdd_pld_request_bus_bandwidth(struct hdd_context *hdd_ctx,
cpumask_t pm_qos_cpu_mask;
bool is_rx_pm_qos_high = false;
bool is_tx_pm_qos_high = false;
bool legacy_client = false;
cpumask_clear(&pm_qos_cpu_mask);
@ -10061,7 +10064,12 @@ static void hdd_pld_request_bus_bandwidth(struct hdd_context *hdd_ctx,
dptrace_high_tput_req =
next_vote_level > PLD_BUS_WIDTH_IDLE ? true : false;
hdd_low_tput_gro_flush_skip_handler(hdd_ctx, next_vote_level);
if (qdf_atomic_read(&hdd_ctx->num_latency_critical_clients))
legacy_client = true;
hdd_low_tput_gro_flush_skip_handler(hdd_ctx, next_vote_level,
legacy_client);
if (hdd_ctx->cur_vote_level != next_vote_level) {
hdd_debug("BW Vote level %d, tx_packets: %lld, rx_packets: %lld",