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qcacld-3.0: Enable DEBUG_Rx_RING_BUFFER to keep track of posted buffers

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This enables the tracking of posted rx ring buffers. With this we can
identify if host/fw is wrong when we hit below issue:
"wlan: [0:E :QDF] rx hash: htt_rx_hash_list_lookup: no entry found for"
<physical address>

Change-Id: Ib973a2e2a69e881beddea23cdc1d2d994eeb1e12
CRs-Fixed: 864569
This commit is contained in:
Manjunathappa Prakash 2016-06-03 19:32:27 -07:00 • committed by Vishwajith Upendra
commit c8e756412e
2 changed files with 20 additions and 15 deletions
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1
Kbuild
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@ -1120,6 +1120,7 @@ endif
ifneq ($(TARGET_BUILD_VARIANT),user)
CDEFINES += -DDESC_DUP_DETECT_DEBUG
CDEFINES += -DDEBUG_RX_RING_BUFFER
endif
ifeq ($(PANIC_ON_BUG),1)

34
core/dp/htt/htt_internal.h
View file

@ -125,14 +125,20 @@ struct htt_host_rx_desc_base {
(HTT_RX_STD_DESC_RESERVATION >> 2)
#define HTT_RX_DESC_ALIGN_MASK 7 /* 8-byte alignment */
#ifdef DEBUG_RX_RING_BUFFER
#define NBUF_MAP_ID(skb) \
(((struct qdf_nbuf_cb *)((skb)->cb))->u.rx.map_index)
#define HTT_RX_RING_BUFF_DBG_LIST 1024
struct rx_buf_debug {
uint32_t paddr;
void *vaddr;
qdf_dma_addr_t paddr;
qdf_nbuf_t nbuf;
void *nbuf_data;
bool in_use;
};
#endif
static inline struct htt_host_rx_desc_base *htt_rx_desc(qdf_nbuf_t msdu)
{
return (struct htt_host_rx_desc_base *)
@ -531,6 +537,7 @@ static inline int htt_rx_ipa_uc_detach(struct htt_pdev_t *pdev)
return 0;
}
#endif /* IPA_OFFLOAD */
#ifdef DEBUG_RX_RING_BUFFER
/**
* htt_rx_dbg_rxbuf_init() - init debug rx buff list
@ -549,6 +556,7 @@ void htt_rx_dbg_rxbuf_init(struct htt_pdev_t *pdev)
QDF_ASSERT(0);
}
}
/**
* htt_rx_dbg_rxbuf_set() - set element of rx buff list
* @pdev: pdev handle
@ -558,23 +566,22 @@ void htt_rx_dbg_rxbuf_init(struct htt_pdev_t *pdev)
* Return: none
*/
static inline
void htt_rx_dbg_rxbuf_set(struct htt_pdev_t *pdev,
uint32_t paddr,
qdf_nbuf_t rx_netbuf)
void htt_rx_dbg_rxbuf_set(struct htt_pdev_t *pdev, qdf_dma_addr_t paddr,
qdf_nbuf_t rx_netbuf)
{
if (pdev->rx_buff_list) {
pdev->rx_buff_list[pdev->rx_buff_index].paddr =
paddr;
pdev->rx_buff_list[pdev->rx_buff_index].in_use =
true;
pdev->rx_buff_list[pdev->rx_buff_index].vaddr =
rx_netbuf;
pdev->rx_buff_list[pdev->rx_buff_index].paddr = paddr;
pdev->rx_buff_list[pdev->rx_buff_index].in_use = true;
pdev->rx_buff_list[pdev->rx_buff_index].nbuf_data =
rx_netbuf->data;
pdev->rx_buff_list[pdev->rx_buff_index].nbuf = rx_netbuf;
NBUF_MAP_ID(rx_netbuf) = pdev->rx_buff_index;
if (++pdev->rx_buff_index ==
HTT_RX_RING_BUFF_DBG_LIST)
pdev->rx_buff_index = 0;
}
}
/**
* htt_rx_dbg_rxbuf_set() - reset element of rx buff list
* @pdev: pdev handle
@ -590,10 +597,7 @@ void htt_rx_dbg_rxbuf_reset(struct htt_pdev_t *pdev,
if (pdev->rx_buff_list) {
index = NBUF_MAP_ID(netbuf);
if (index < HTT_RX_RING_BUFF_DBG_LIST) {
pdev->rx_buff_list[index].in_use =
false;
pdev->rx_buff_list[index].paddr = 0;
pdev->rx_buff_list[index].vaddr = NULL;
pdev->rx_buff_list[index].in_use = false;
}
}
}