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qcacmn: Add NAN TX checksum offload INI entry

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Currently there is a single INI item tcp_udp_checksumoffload to enable
or disable this feature for all the adapters. In some cases, we want to
be able to enable this feature selectively for NAN mode.

Add nan_tcp_udp_checksumoffload ini item to enable or disable checksum
offload feature specifically for NAN mode. If
nan_tcp_udp_checksumoffload is 'true' and tcp_udp_checksumoffload is
false, hardware checksum offload will be enabled only for the NAN
adapter and not for other adapters.

CRs-Fixed: 2693638
Change-Id: I6e255ce68ddc7b01ebdefe4e5e8d2c985388fefe
This commit is contained in:
Mohit Khanna
2020-05-21 16:54:56 -07:00
committed by nshrivas
parent d0b3820279
commit 97200aab9c
9 changed files with 86 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
dp/inc/cdp_txrx_cmn_struct.h
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@@ -2172,7 +2172,8 @@ struct cdp_rx_indication_msdu {
* @lro_enable: Enable/Disable LRO
* @gro_enable: Enable/Disable GRO
* @flow_steering_enable: Enable/Disable Rx Hash based flow steering
* @tcp_Udp_ChecksumOffload: Enable/Disable tcp-Udp checksum Offload
* @nan_tcp_udp_checksumoffload: Enable/Disable TCP/UDP Checksum Offload for NAN
* @tcp_udp_checksumoffload: Enable/Disable TCP/UDP Checksum Offload
* @napi_enable: Enable/Disable Napi
* @ipa_enable: Flag indicating if IPA is enabled or not
* @tx_flow_stop_queue_threshold: Value to Pause tx queues
@@ -2187,6 +2188,7 @@ struct cdp_config_params {
unsigned int lro_enable:1;
unsigned int gro_enable:1;
unsigned int flow_steering_enable:1;
unsigned int nan_tcp_udp_checksumoffload:1;
unsigned int tcp_udp_checksumoffload:1;
unsigned int napi_enable:1;
unsigned int ipa_enable:1;
@@ -2246,6 +2248,9 @@ struct cdp_monitor_filter {
*/
enum cdp_dp_cfg {
cfg_dp_enable_data_stall,
/* checksum offload for NAN interface */
cfg_dp_enable_nan_ip_tcp_udp_checksum_offload,
/* generic checksum offload for other interfaces */
cfg_dp_enable_ip_tcp_udp_checksum_offload,
cfg_dp_tso_enable,
cfg_dp_lro_enable,

2
dp/inc/cdp_txrx_mob_def.h
View File

@@ -285,6 +285,8 @@ struct txrx_pdev_cfg_param_t {
uint32_t uc_tx_partition_base;
/* IP, TCP and UDP checksum offload */
bool ip_tcp_udp_checksum_offload;
/* IP, TCP and UDP checksum offload for NAN Mode*/
bool nan_ip_tcp_udp_checksum_offload;
/* Rx processing in thread from TXRX */
bool enable_rxthread;
/* CE classification enabled through INI */

5
dp/wifi3.0/dp_main.c
View File

@@ -8807,6 +8807,8 @@ QDF_STATUS dp_update_config_parameters(struct cdp_soc *psoc,
soc->wlan_cfg_ctx->tso_enabled = params->tso_enable;
soc->wlan_cfg_ctx->lro_enabled = params->lro_enable;
soc->wlan_cfg_ctx->rx_hash = params->flow_steering_enable;
soc->wlan_cfg_ctx->nan_tcp_udp_checksumoffload =
params->nan_tcp_udp_checksumoffload;
soc->wlan_cfg_ctx->tcp_udp_checksumoffload =
params->tcp_udp_checksumoffload;
soc->wlan_cfg_ctx->napi_enabled = params->napi_enable;
@@ -9460,6 +9462,9 @@ static uint32_t dp_get_cfg(struct cdp_soc_t *soc, enum cdp_dp_cfg cfg)
case cfg_dp_enable_data_stall:
value = dpsoc->wlan_cfg_ctx->enable_data_stall_detection;
break;
case cfg_dp_enable_nan_ip_tcp_udp_checksum_offload:
value = dpsoc->wlan_cfg_ctx->nan_tcp_udp_checksumoffload;
break;
case cfg_dp_enable_ip_tcp_udp_checksum_offload:
value = dpsoc->wlan_cfg_ctx->tcp_udp_checksumoffload;
break;

2
dp/wifi3.0/dp_stats.c
View File

@@ -4946,6 +4946,8 @@ void dp_print_soc_cfg_params(struct dp_soc *soc)
soc_cfg_ctx->peer_flow_ctrl_enabled);
DP_PRINT_STATS("napi enabled: %u ",
soc_cfg_ctx->napi_enabled);
DP_PRINT_STATS("NAN Tcp Udp checksum offload: %u ",
soc_cfg_ctx->nan_tcp_udp_checksumoffload);
DP_PRINT_STATS("Tcp Udp checksum offload: %u ",
soc_cfg_ctx->tcp_udp_checksumoffload);
DP_PRINT_STATS("Defrag timeout check: %u ",

24
dp/wifi3.0/dp_tx.c
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@@ -1212,7 +1212,7 @@ static QDF_STATUS dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev,
hal_tx_desc_set_to_fw(hal_tx_desc_cached, 1);
/* verify checksum offload configuration*/
if ((wlan_cfg_get_checksum_offload(soc->wlan_cfg_ctx)) &&
if (vdev->csum_enabled &&
((qdf_nbuf_get_tx_cksum(tx_desc->nbuf) == QDF_NBUF_TX_CKSUM_TCP_UDP)
|| qdf_nbuf_is_tso(tx_desc->nbuf))) {
hal_tx_desc_set_l3_checksum_en(hal_tx_desc_cached, 1);
@@ -4015,6 +4015,26 @@ qdf_nbuf_t dp_tx_non_std(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
}
#endif
static void dp_tx_vdev_update_feature_flags(struct dp_vdev *vdev)
{
struct wlan_cfg_dp_soc_ctxt *cfg;
struct dp_soc *soc;
soc = vdev->pdev->soc;
if (!soc)
return;
cfg = soc->wlan_cfg_ctx;
if (!cfg)
return;
if (vdev->opmode == wlan_op_mode_ndi)
vdev->csum_enabled = wlan_cfg_get_nan_checksum_offload(cfg);
else
vdev->csum_enabled = wlan_cfg_get_checksum_offload(cfg);
}
/**
* dp_tx_vdev_attach() - attach vdev to dp tx
* @vdev: virtual device instance
@@ -4046,6 +4066,8 @@ QDF_STATUS dp_tx_vdev_attach(struct dp_vdev *vdev)
dp_tx_vdev_update_search_flags(vdev);
dp_tx_vdev_update_feature_flags(vdev);
return QDF_STATUS_SUCCESS;
}

3
dp/wifi3.0/dp_types.h
View File

@@ -1940,6 +1940,9 @@ struct dp_vdev {
/* Multicast enhancement enabled */
uint8_t mcast_enhancement_en;
/* HW TX Checksum Enabled Flag */
uint8_t csum_enabled;
/* vdev_id - ID used to specify a particular vdev to the target */
uint8_t vdev_id;

27
wlan_cfg/cfg_dp.h
View File

@@ -552,6 +552,32 @@
CFG_INI_BOOL("dp_napi_enabled", PLATFORM_VALUE(true, false), \
"DP Napi Enabled")
/*
* <ini>
* gEnableNanIpTcpUdpChecksumOffload - Enable checksum offload for NAN mode
* @Min: 0
* @Max: 1
* @Default: 1
*
* Usage: External
*
* </ini>
*/
#define CFG_DP_NAN_TCP_UDP_CKSUM_OFFLOAD \
CFG_INI_BOOL("gEnableNanIpTcpUdpChecksumOffload", true, \
"DP TCP UDP Checksum Offload for NAN mode")
/*
* <ini>
* gEnableIpTcpUdpChecksumOffload - Enable checksum offload
* @Min: 0
* @Max: 1
* @Default: 1
*
* Usage: External
*
* </ini>
*/
#define CFG_DP_TCP_UDP_CKSUM_OFFLOAD \
CFG_INI_BOOL("gEnableIpTcpUdpChecksumOffload", true, \
"DP TCP UDP Checksum Offload")
@@ -844,6 +870,7 @@
CFG(CFG_DP_PEER_FLOW_CTRL) \
CFG(CFG_DP_NAPI) \
CFG(CFG_DP_TCP_UDP_CKSUM_OFFLOAD) \
CFG(CFG_DP_NAN_TCP_UDP_CKSUM_OFFLOAD) \
CFG(CFG_DP_DEFRAG_TIMEOUT_CHECK) \
CFG(CFG_DP_WBM_RELEASE_RING) \
CFG(CFG_DP_TCL_CMD_CREDIT_RING) \

8
wlan_cfg/wlan_cfg.c
View File

@@ -541,7 +541,8 @@ wlan_cfg_soc_attach(struct cdp_ctrl_objmgr_psoc *psoc)
wlan_cfg_ctx->peer_flow_ctrl_enabled =
cfg_get(psoc, CFG_DP_PEER_FLOW_CTRL);
wlan_cfg_ctx->napi_enabled = cfg_get(psoc, CFG_DP_NAPI);
/*Enable checksum offload by default*/
wlan_cfg_ctx->nan_tcp_udp_checksumoffload =
cfg_get(psoc, CFG_DP_NAN_TCP_UDP_CKSUM_OFFLOAD);
wlan_cfg_ctx->tcp_udp_checksumoffload =
cfg_get(psoc, CFG_DP_TCP_UDP_CKSUM_OFFLOAD);
wlan_cfg_ctx->per_pkt_trace = cfg_get(psoc, CFG_DP_PER_PKT_LOGGING);
@@ -1101,6 +1102,11 @@ int wlan_cfg_get_int_timer_threshold_mon(struct wlan_cfg_dp_soc_ctxt *cfg)
return cfg->int_timer_threshold_mon;
}
int wlan_cfg_get_nan_checksum_offload(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->nan_tcp_udp_checksumoffload;
}
int wlan_cfg_get_checksum_offload(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->tcp_udp_checksumoffload;

10
wlan_cfg/wlan_cfg.h
View File

@@ -141,6 +141,7 @@ struct wlan_srng_cfg {
* @peer_flow_ctrl_enabled: Flag indicating if peer flow control is enabled
* @napi_enabled: enable/disable interrupt mode for reaping tx and rx packets
* @tcp_udp_checksumoffload: enable/disable checksum offload
* @nan_tcp_udp_checksumoffload: enable/disable checksum offload for NAN mode
* @nss_cfg: nss configuration
* @rx_defrag_min_timeout: rx defrag minimum timeout
* @wbm_release_ring: wbm release ring size
@@ -234,6 +235,7 @@ struct wlan_cfg_dp_soc_ctxt {
bool rawmode_enabled;
bool peer_flow_ctrl_enabled;
bool napi_enabled;
bool nan_tcp_udp_checksumoffload;
bool tcp_udp_checksumoffload;
bool defrag_timeout_check;
int nss_cfg;
@@ -997,6 +999,14 @@ int wlan_cfg_get_int_timer_threshold_mon(struct wlan_cfg_dp_soc_ctxt *cfg);
*/
int wlan_cfg_get_checksum_offload(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_get_nan_checksum_offload - Get checksum offload enable/disable val
* @wlan_cfg_soc_ctx
*
* Return: Checksum offload enable or disable value for NAN mode
*/
int wlan_cfg_get_nan_checksum_offload(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_tx_ring_size - Get Tx DMA ring size (TCL Data Ring)
* @wlan_cfg_soc_ctx