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qcacld-3.0: INI support for RX softirq time limit

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Add changes to configure params for RX softirq time limit feature via
INI file.

Change-Id: I714a64e3d4ba7f094a81b4d11dab9bc63c7ee2de
CRs-Fixed: 2423622
This commit is contained in:
Mohit Khanna 2019-03-25 22:17:02 -07:00 committed by nshrivas
parent d02e9b8b42
commit a8c9f569ea
3 changed files with 138 additions and 1 deletions
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95
core/hdd/inc/hdd_dp_cfg.h
View File

@ -43,6 +43,22 @@
#define CFG_RX_MODE_DEFAULT (CFG_ENABLE_RX_THREAD | CFG_ENABLE_NAPI)
#endif
/* Max # of packets to be processed in 1 tx comp loop */
#define CFG_DP_TX_COMP_LOOP_PKT_LIMIT_DEFAULT 64
#define CFG_DP_TX_COMP_LOOP_PKT_LIMIT_MAX (1024 * 1024)
/*Max # of packets to be processed in 1 rx reap loop */
#define CFG_DP_RX_REAP_LOOP_PKT_LIMIT_DEFAULT 64
#define CFG_DP_RX_REAP_LOOP_PKT_LIMIT_MAX (1024 * 1024)
/* Max # of HP OOS (out of sync) updates */
#define CFG_DP_RX_HP_OOS_UPDATE_LIMIT_DEFAULT 0
#define CFG_DP_RX_HP_OOS_UPDATE_LIMIT_MAX 1024
/* Max Yield time duration for RX Softirq */
#define CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS_DEFAULT (500 * 1000)
#define CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS_MAX (10 * 1000 * 1000)
#ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL
/*
@ -763,6 +779,81 @@
CFG_VALUE_OR_DEFAULT, \
"Control to decide rx mode for packet procesing")
/*
* <ini>
* tx_comp_loop_pkt_limit - Control to decide max # of packets to be processed
* in 1 tx comp loop
*
* @Min: 8
* @Max: CFG_DP_TX_COMP_LOOP_PKT_LIMIT_MAX
*
* Usage: Internal
*
* </ini>
*/
#define CFG_DP_TX_COMP_LOOP_PKT_LIMIT \
CFG_INI_UINT("tx_comp_loop_pkt_limit", \
1, CFG_DP_TX_COMP_LOOP_PKT_LIMIT_MAX, \
CFG_DP_TX_COMP_LOOP_PKT_LIMIT_DEFAULT, \
CFG_VALUE_OR_DEFAULT, \
"Control to decide tx comp loop pkt limit")
/*
* <ini>
* rx_reap_loop_pkt_limit - Control to decide max # of packets to be reaped
* in 1 dp_rx_process reap loop
*
* @Min: 8
* @Max: CFG_DP_RX_REAP_LOOP_PKT_LIMIT_MAX
*
* Usage: Internal
*
* </ini>
*/
#define CFG_DP_RX_REAP_LOOP_PKT_LIMIT \
CFG_INI_UINT("rx_reap_loop_pkt_limit", \
0, CFG_DP_RX_REAP_LOOP_PKT_LIMIT_MAX, \
CFG_DP_RX_REAP_LOOP_PKT_LIMIT_DEFAULT, \
CFG_VALUE_OR_DEFAULT, \
"Control to decide rx reap loop packet limit")
/*
* <ini>
* rx_hp_oos_update_limit - Control to decide max # of HP OOS (out of sync)
* updates
*
* @Min: 0
* @Max: CFG_DP_RX_HP_OOS_UPDATE_LIMIT_MAX
*
* Usage: Internal
*
* </ini>
*/
#define CFG_DP_RX_HP_OOS_UPDATE_LIMIT \
CFG_INI_UINT("rx_hp_oos_update_limit", \
0, CFG_DP_RX_HP_OOS_UPDATE_LIMIT_MAX, \
CFG_DP_RX_HP_OOS_UPDATE_LIMIT_DEFAULT, \
CFG_VALUE_OR_DEFAULT, \
"Control to decide HP OOS update limit")
/*
* <ini>
* rx_softirq_max_yield_duration_ns - Control to decide max duration for RX
* softirq
*
* @Min: 100 * 1000 , 100us
* @Max: CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS_MAX
*
* Usage: Internal
*
* </ini>
*/
#define CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS \
CFG_INI_UINT("rx_softirq_max_yield_duration_ns", \
100 * 1000, CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS_MAX, \
CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS_DEFAULT, \
CFG_VALUE_OR_DEFAULT, \
"max yield time duration for RX Softirq")
/*
* <ini>
* enable_multicast_replay_filter - Enable filtering of replayed multicast
@ -979,6 +1070,10 @@
CFG(CFG_DP_RPS_RX_QUEUE_CPU_MAP_LIST) \
CFG(CFG_DP_TX_ORPHAN_ENABLE) \
CFG(CFG_DP_RX_MODE) \
CFG(CFG_DP_TX_COMP_LOOP_PKT_LIMIT)\
CFG(CFG_DP_RX_REAP_LOOP_PKT_LIMIT)\
CFG(CFG_DP_RX_HP_OOS_UPDATE_LIMIT)\
CFG(CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS)\
CFG(CFG_DP_CE_SERVICE_MAX_RX_IND_FLUSH) \
CFG(CFG_DP_CE_SERVICE_MAX_YIELD_TIME) \
CFG(CFG_DP_ENABLE_TCP_PARAM_UPDATE) \

5
core/hdd/inc/wlan_hdd_cfg.h
View File

@ -154,7 +154,10 @@ struct hdd_config {
bool enable_packet_log;
#endif
uint32_t rx_mode;
uint32_t tx_comp_loop_pkt_limit;
uint32_t rx_reap_loop_pkt_limit;
uint32_t rx_hp_oos_update_limit;
uint64_t rx_softirq_max_yield_duration_ns;
#ifdef WLAN_FEATURE_DP_BUS_BANDWIDTH
uint32_t bus_bw_high_threshold;
uint32_t bus_bw_medium_threshold;

39
core/hdd/src/wlan_hdd_main.c
View File

@ -14115,12 +14115,44 @@ static void hdd_update_hif_config(struct hdd_context *hdd_ctx)
cfg.enable_self_recovery = self_recovery;
hdd_populate_runtime_cfg(hdd_ctx, &cfg);
cfg.rx_softirq_max_yield_duration_ns =
cfg_get(hdd_ctx->psoc,
CFG_DP_RX_SOFTIRQ_MAX_YIELD_TIME_NS);
hif_init_ini_config(scn, &cfg);
if (prevent_link_down)
hif_vote_link_up(scn);
}
#ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT
/**
* hdd_update_dp_config_rx_softirq_limits() - Update DP rx softirq limit config
* datapath
* @hdd_ctx: HDD Context
* @params: pointer to cdp_config_params to be updated
*
* Void
*/
static
void hdd_update_dp_config_rx_softirq_limits(struct hdd_context *hdd_ctx,
struct cdp_config_params *params)
{
params->tx_comp_loop_pkt_limit = cfg_get(hdd_ctx->psoc,
CFG_DP_TX_COMP_LOOP_PKT_LIMIT);
params->rx_reap_loop_pkt_limit = cfg_get(hdd_ctx->psoc,
CFG_DP_RX_REAP_LOOP_PKT_LIMIT);
params->rx_hp_oos_update_limit = cfg_get(hdd_ctx->psoc,
CFG_DP_RX_HP_OOS_UPDATE_LIMIT);
}
#else
static
void hdd_update_dp_config_rx_softirq_limits(struct hdd_context *hdd_ctx,
struct cdp_config_params *params)
{
}
#endif /* WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT */
/**
* hdd_update_dp_config() - Propagate config parameters to Lithium
* datapath
@ -14150,6 +14182,13 @@ static int hdd_update_dp_config(struct hdd_context *hdd_ctx)
CFG_DP_TCP_UDP_CKSUM_OFFLOAD);
params.ipa_enable = ucfg_ipa_is_enabled();
params.gro_enable = cfg_get(hdd_ctx->psoc, CFG_DP_GRO);
params.tx_comp_loop_pkt_limit = cfg_get(hdd_ctx->psoc,
CFG_DP_TX_COMP_LOOP_PKT_LIMIT);
params.rx_reap_loop_pkt_limit = cfg_get(hdd_ctx->psoc,
CFG_DP_RX_REAP_LOOP_PKT_LIMIT);
params.rx_hp_oos_update_limit = cfg_get(hdd_ctx->psoc,
CFG_DP_RX_HP_OOS_UPDATE_LIMIT);
hdd_update_dp_config_rx_softirq_limits(hdd_ctx, &params);
status = cdp_update_config_parameters(soc, &params);
if (status) {