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qcacmn: dump reo ring when flush cache failed

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When delete peer, host will try to flush all frames in REO queue
by sending a cmd through reo ring, but sometimes encounted failure to
send this cmd, dump ring status if ecountered above failure.

Change-Id: I3ea4e96e5999f85398b531ddf4f350e91e798d70
CRs-Fixed: 2167419
This commit is contained in:
Kai Liu
2018-01-12 16:52:26 +08:00
committed by snandini
parent 987316d757
commit b8e1241366
3 changed files with 31 additions and 1 deletions
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6
hal/wifi3.0/hal_api.h
View File

@@ -195,6 +195,12 @@ extern uint32_t hal_srng_get_entrysize(void *hal_soc, int ring_type);
*/
uint32_t hal_srng_max_entries(void *hal_soc, int ring_type);
/**
* hal_srng_dump - Dump ring status
* @srng: hal srng pointer
*/
void hal_srng_dump(struct hal_srng *srng);
/**
* hal_srng_get_dir - Returns the direction of the ring
* @hal_soc: Opaque HAL SOC handle

3
hal/wifi3.0/hal_reo.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -192,6 +192,7 @@ inline int hal_reo_cmd_flush_cache(void *reo_ring, struct hal_soc *soc,
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
"%s: Out of cmd ring entries\n", __func__);
hal_srng_access_end(soc, reo_ring);
hal_srng_dump(reo_ring);
return -EBUSY;
}

23
hal/wifi3.0/hal_srng.c
View File

@@ -1330,6 +1330,29 @@ enum hal_srng_dir hal_srng_get_dir(void *hal_soc, int ring_type)
return ring_config->ring_dir;
}
/**
* hal_srng_dump - Dump ring status
* @srng: hal srng pointer
*/
void hal_srng_dump(struct hal_srng *srng)
{
if (srng->ring_dir == HAL_SRNG_SRC_RING) {
qdf_print("=== SRC RING %d ===", srng->ring_id);
qdf_print("hp %u, reap_hp %u, tp %u, cached tp %u",
srng->u.src_ring.hp,
srng->u.src_ring.reap_hp,
*srng->u.src_ring.tp_addr,
srng->u.src_ring.cached_tp);
} else {
qdf_print("=== DST RING %d ===", srng->ring_id);
qdf_print("tp %u, hp %u, cached tp %u, loop_cnt %u",
srng->u.dst_ring.tp,
*srng->u.dst_ring.hp_addr,
srng->u.dst_ring.cached_hp,
srng->u.dst_ring.loop_cnt);
}
}
/**
* hal_get_srng_params - Retreive SRNG parameters for a given ring from HAL
*