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qcacld-3.0: Pause Tx when bus suspend in progress

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In SAP due to intrabss forwarding, Tx ring update is going through
when WOW enable command has been sent to FW. This results in crash.
To fix this, set is_tx_pause flag when suspend sequence starts,
which will pause Tx ring HP update.

Change-Id: I81f25b8bfca917c95180c460fd932c0f75094c10
CRs-Fixed: 3295428
This commit is contained in:
Ananya Gupta
2022-09-20 12:39:56 +05:30
committed by Madan Koyyalamudi
parent 05f2522998
commit 4912b28c8d
1 changed files with 4 additions and 0 deletions
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4
components/dp/dispatcher/src/wlan_dp_ucfg_api.c
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@@ -325,6 +325,7 @@ ucfg_dp_suspend_handler(struct wlan_objmgr_psoc *psoc, void *arg)
{ {
struct wlan_dp_psoc_context *dp_ctx; struct wlan_dp_psoc_context *dp_ctx;
struct wlan_dp_intf *dp_intf, *dp_intf_next = NULL; struct wlan_dp_intf *dp_intf, *dp_intf_next = NULL;
void *soc = cds_get_context(QDF_MODULE_ID_SOC);
dp_ctx = dp_psoc_get_priv(psoc); dp_ctx = dp_psoc_get_priv(psoc);
if (!dp_ctx) { if (!dp_ctx) {
@@ -333,6 +334,7 @@ ucfg_dp_suspend_handler(struct wlan_objmgr_psoc *psoc, void *arg)
} }
dp_ctx->is_suspend = true; dp_ctx->is_suspend = true;
cdp_set_tx_pause(soc, true);
dp_for_each_intf_held_safe(dp_ctx, dp_intf, dp_intf_next) { dp_for_each_intf_held_safe(dp_ctx, dp_intf, dp_intf_next) {
dp_intf->sap_tx_block_mask |= WLAN_DP_SUSPEND; dp_intf->sap_tx_block_mask |= WLAN_DP_SUSPEND;
} }
@@ -353,6 +355,7 @@ ucfg_dp_resume_handler(struct wlan_objmgr_psoc *psoc, void *arg)
{ {
struct wlan_dp_psoc_context *dp_ctx; struct wlan_dp_psoc_context *dp_ctx;
struct wlan_dp_intf *dp_intf, *dp_intf_next = NULL; struct wlan_dp_intf *dp_intf, *dp_intf_next = NULL;
void *soc = cds_get_context(QDF_MODULE_ID_SOC);
dp_ctx = dp_psoc_get_priv(psoc); dp_ctx = dp_psoc_get_priv(psoc);
if (!dp_ctx) { if (!dp_ctx) {
@@ -361,6 +364,7 @@ ucfg_dp_resume_handler(struct wlan_objmgr_psoc *psoc, void *arg)
} }
dp_ctx->is_suspend = false; dp_ctx->is_suspend = false;
cdp_set_tx_pause(soc, false);
dp_for_each_intf_held_safe(dp_ctx, dp_intf, dp_intf_next) { dp_for_each_intf_held_safe(dp_ctx, dp_intf, dp_intf_next) {
dp_intf->sap_tx_block_mask &= ~WLAN_DP_SUSPEND; dp_intf->sap_tx_block_mask &= ~WLAN_DP_SUSPEND;
} }