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qcacld-3.0: Do not skip GRO flush when T-put is low

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For kernel 5.4, skip GRO flush when T-put is low  will cause
11g TCP RX not stable.

Do not skip GRO flush if T-put is low for kernel >= 5.4.

Change-Id: I89c29b64b9801d2a3c917d88cc31cb18296fd4d7
CRs-Fixed: 2697893
This commit is contained in:
Jinwei Chen 2020-05-29 15:36:00 +08:00 committed by nshrivas
parent dad15b90e3
commit 5b86a68395
1 changed files with 36 additions and 9 deletions
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45
core/hdd/src/wlan_hdd_main.c
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@ -9019,6 +9019,41 @@ static inline void hdd_pm_qos_update_request(struct hdd_context *hdd_ctx,
}
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0))
static inline void hdd_low_tput_gro_flush_skip_check(
struct hdd_context *hdd_ctx,
enum pld_bus_width_type next_vote_level)
{
}
#else
/**
* hdd_low_tput_gro_flush_skip_check() - check GRO flush skip condition
*
* @hdd_ctx: handle to hdd context
* @next_vote_level: next bus bandwidth level
*
* If bus bandwidth level is PLD_BUS_WIDTH_LOW consistently and hit
* the bus_low_cnt_threshold, set flag to skip GRO flush.
*
* Return: none
*/
static inline void hdd_low_tput_gro_flush_skip_check(
struct hdd_context *hdd_ctx,
enum pld_bus_width_type next_vote_level)
{
uint32_t bus_low_cnt_threshold =
hdd_ctx->config->bus_low_cnt_threshold;
if (next_vote_level == PLD_BUS_WIDTH_LOW) {
if (++hdd_ctx->bus_low_vote_cnt >= bus_low_cnt_threshold)
qdf_atomic_set(&hdd_ctx->low_tput_gro_enable, 1);
} else {
hdd_ctx->bus_low_vote_cnt = 0;
qdf_atomic_set(&hdd_ctx->low_tput_gro_enable, 0);
}
}
#endif
/**
* hdd_pld_request_bus_bandwidth() - Function to control bus bandwidth
* @hdd_ctx - handle to hdd context
@ -9051,7 +9086,6 @@ static void hdd_pld_request_bus_bandwidth(struct hdd_context *hdd_ctx,
static enum wlan_tp_level next_rx_level = WLAN_SVC_TP_NONE;
enum wlan_tp_level next_tx_level = WLAN_SVC_TP_NONE;
uint32_t delack_timer_cnt = hdd_ctx->config->tcp_delack_timer_count;
uint32_t bus_low_cnt_threshold = hdd_ctx->config->bus_low_cnt_threshold;
cpumask_t pm_qos_cpu_mask;
bool is_rx_pm_qos_high = false;
bool is_tx_pm_qos_high = false;
@ -9071,14 +9105,7 @@ 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;
if (next_vote_level == PLD_BUS_WIDTH_LOW) {
if (++hdd_ctx->bus_low_vote_cnt >= bus_low_cnt_threshold)
qdf_atomic_set(&hdd_ctx->low_tput_gro_enable, 1);
} else {
hdd_ctx->bus_low_vote_cnt = 0;
qdf_atomic_set(&hdd_ctx->low_tput_gro_enable, 0);
}
hdd_low_tput_gro_flush_skip_check(hdd_ctx, next_vote_level);
if (hdd_ctx->cur_vote_level != next_vote_level) {
hdd_debug("BW Vote level %d, tx_packets: %lld, rx_packets: %lld",