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qcacmn: Add api for dumping the CE discriptors

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API for dumping the CE descriptors copies all descriptors for
the given Copy engine id and also copies the SKB packet pointed
by the descriptors till smart_log_skb_sz bytes.

Change-Id: I511bda77319944c1ec2377f716087956ce0637ac
CRs-Fixed: 2008290
This commit is contained in:
c_cgodav
2017-02-17 12:06:35 +05:30
committed by nshrivas
parent cae37fee6e
commit 862541432b
3 changed files with 220 additions and 0 deletions
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3
dp/inc/cdp_txrx_stats_struct.h
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@@ -1243,8 +1243,11 @@ enum _ol_ath_param_t {
OL_ATH_PARAM_DFS_HOST_WAIT_TIMEOUT = 367,
#endif
OL_ATH_PARAM_NF_THRESH = 368,
#ifdef OL_ATH_SMART_LOGGING
OL_ATH_PARAM_SMARTLOG_ENABLE = 369,
OL_ATH_PARAM_SMARTLOG_FATAL_EVENT = 370,
OL_ATH_PARAM_SMARTLOG_SKB_SZ = 371,
#endif /* OL_ATH_SMART_LOGGING */
};

19
hif/inc/hif.h
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@@ -976,4 +976,23 @@ hif_get_ce_service_max_yield_time(struct hif_opaque_softc *hif);
*/
void hif_set_ce_service_max_rx_ind_flush(struct hif_opaque_softc *hif,
uint8_t ce_service_max_rx_ind_flush);
#ifdef OL_ATH_SMART_LOGGING
/*
* hif_log_ce_dump() - Copy all the CE DEST ring to buf
* @scn : HIF handler
* @buf_cur: Current pointer in ring buffer
* @buf_init:Start of the ring buffer
* @buf_sz: Size of the ring buffer
* @ce: Copy Engine id
* @skb_sz: Max size of the SKB buffer to be copied
*
* Calls the respective function to dump all the CE SRC/DEST ring descriptors
* and buffers pointed by them in to the given buf
*
* Return: Current pointer in ring buffer
*/
uint8_t *hif_log_dump_ce(struct hif_softc *scn, uint8_t *buf_cur,
uint8_t *buf_init, uint32_t buf_sz,
uint32_t ce, uint32_t skb_sz);
#endif /* OL_ATH_SMART_LOGGING */
#endif /* _HIF_H_ */

198
hif/src/ce/ce_service.c
View File

@@ -3061,3 +3061,201 @@ ssize_t hif_disp_ce_enable_desc_data_hist(struct hif_softc *scn, char *buf)
return len;
}
#endif /* HIF_CE_DEBUG_DATA_BUF */
#ifdef OL_ATH_SMART_LOGGING
#define GUARD_SPACE 10
#define LOG_ID_SZ 4
/*
* hif_log_src_ce_dump() - Copy all the CE SRC ring to buf
* @src_ring: SRC ring state
* @buf_cur: Current pointer in ring buffer
* @buf_init:Start of the ring buffer
* @buf_sz: Size of the ring buffer
* @skb_sz: Max size of the SKB buffer to be copied
*
* Dumps all the CE SRC ring descriptors and buffers pointed by them in to
* the given buf, skb_sz is the max buffer size to be copied
*
* Return: Current pointer in ring buffer
*/
static uint8_t *hif_log_src_ce_dump(struct CE_ring_state *src_ring,
uint8_t *buf_cur, uint8_t *buf_init,
uint32_t buf_sz, uint32_t skb_sz)
{
struct CE_src_desc *src_ring_base;
uint32_t len, entry;
struct CE_src_desc *src_desc;
qdf_nbuf_t nbuf;
uint32_t available_buf;
src_ring_base = (struct CE_src_desc *)src_ring->base_addr_owner_space;
len = sizeof(struct CE_ring_state);
available_buf = buf_sz - (buf_cur - buf_init);
if (available_buf < (len + GUARD_SPACE)) {
snprintf(buf_cur, available_buf, "END");
buf_cur = buf_init;
}
qdf_mem_copy(buf_cur, src_ring, sizeof(struct CE_ring_state));
buf_cur += sizeof(struct CE_ring_state);
for (entry = 0; entry < src_ring->nentries; entry++) {
src_desc = CE_SRC_RING_TO_DESC(src_ring_base, entry);
nbuf = src_ring->per_transfer_context[entry];
if (nbuf) {
uint32_t skb_len = qdf_nbuf_len(nbuf);
uint32_t skb_cp_len = qdf_min(skb_len, skb_sz);
len = sizeof(struct CE_src_desc) + skb_cp_len
+ LOG_ID_SZ + sizeof(skb_cp_len);
available_buf = buf_sz - (buf_cur - buf_init);
if (available_buf < (len + GUARD_SPACE)) {
buf_cur += snprintf(buf_cur, available_buf,
"END");
buf_cur = buf_init;
}
qdf_mem_copy(buf_cur, src_desc,
sizeof(struct CE_src_desc));
buf_cur += sizeof(struct CE_src_desc);
available_buf = buf_sz - (buf_cur - buf_init);
buf_cur += snprintf(buf_cur, available_buf, "SKB%d",
skb_cp_len);
if (skb_cp_len) {
qdf_mem_copy(buf_cur, qdf_nbuf_data(nbuf),
skb_cp_len);
buf_cur += skb_cp_len;
}
} else {
len = sizeof(struct CE_src_desc) + LOG_ID_SZ;
available_buf = buf_sz - (buf_cur - buf_init);
if (available_buf < (len + GUARD_SPACE)) {
buf_cur += snprintf(buf_cur, available_buf,
"END");
buf_cur = buf_init;
}
qdf_mem_copy(buf_cur, src_desc,
sizeof(struct CE_src_desc));
buf_cur += sizeof(struct CE_src_desc);
available_buf = buf_sz - (buf_cur - buf_init);
buf_cur += snprintf(buf_cur, available_buf, "NUL");
}
}
return buf_cur;
}
/*
* hif_log_dest_ce_dump() - Copy all the CE DEST ring to buf
* @dest_ring: SRC ring state
* @buf_cur: Current pointer in ring buffer
* @buf_init:Start of the ring buffer
* @buf_sz: Size of the ring buffer
* @skb_sz: Max size of the SKB buffer to be copied
*
* Dumps all the CE SRC ring descriptors and buffers pointed by them in to
* the given buf, skb_sz is the max buffer size to be copied
*
* Return: Current pointer in ring buffer
*/
static uint8_t *hif_log_dest_ce_dump(struct CE_ring_state *dest_ring,
uint8_t *buf_cur, uint8_t *buf_init,
uint32_t buf_sz, uint32_t skb_sz)
{
struct CE_dest_desc *dest_ring_base;
uint32_t len, entry;
struct CE_dest_desc *dest_desc;
qdf_nbuf_t nbuf;
uint32_t available_buf;
dest_ring_base =
(struct CE_dest_desc *)dest_ring->base_addr_owner_space;
len = sizeof(struct CE_ring_state);
available_buf = buf_sz - (buf_cur - buf_init);
if (available_buf < (len + GUARD_SPACE)) {
snprintf(buf_cur, available_buf, "END");
buf_cur = buf_init;
}
qdf_mem_copy(buf_cur, dest_ring, sizeof(struct CE_ring_state));
buf_cur += sizeof(struct CE_ring_state);
for (entry = 0; entry < dest_ring->nentries; entry++) {
dest_desc = CE_DEST_RING_TO_DESC(dest_ring_base, entry);
nbuf = dest_ring->per_transfer_context[entry];
if (nbuf) {
uint32_t skb_len = qdf_nbuf_len(nbuf);
uint32_t skb_cp_len = qdf_min(skb_len, skb_sz);
len = sizeof(struct CE_dest_desc) + skb_cp_len
+ LOG_ID_SZ + sizeof(skb_cp_len);
available_buf = buf_sz - (buf_cur - buf_init);
if (available_buf < (len + GUARD_SPACE)) {
buf_cur += snprintf(buf_cur, available_buf,
"END");
buf_cur = buf_init;
}
qdf_mem_copy(buf_cur, dest_desc,
sizeof(struct CE_dest_desc));
buf_cur += sizeof(struct CE_dest_desc);
available_buf = buf_sz - (buf_cur - buf_init);
buf_cur += snprintf(buf_cur, available_buf, "SKB%d",
skb_cp_len);
if (skb_cp_len) {
qdf_mem_copy(buf_cur, qdf_nbuf_data(nbuf),
skb_cp_len);
buf_cur += skb_cp_len;
}
} else {
len = sizeof(struct CE_dest_desc) + LOG_ID_SZ;
available_buf = buf_sz - (buf_cur - buf_init);
if (available_buf < (len + GUARD_SPACE)) {
buf_cur += snprintf(buf_cur, available_buf,
"END");
buf_cur = buf_init;
}
qdf_mem_copy(buf_cur, dest_desc,
sizeof(struct CE_dest_desc));
buf_cur += sizeof(struct CE_dest_desc);
available_buf = buf_sz - (buf_cur - buf_init);
buf_cur += snprintf(buf_cur, available_buf, "NUL");
}
}
return buf_cur;
}
/**
* hif_log_ce_dump() - Copy all the CE DEST ring to buf
* Calls the respective function to dump all the CE SRC/DEST ring descriptors
* and buffers pointed by them in to the given buf
*/
uint8_t *hif_log_dump_ce(struct hif_softc *scn, uint8_t *buf_cur,
uint8_t *buf_init, uint32_t buf_sz,
uint32_t ce, uint32_t skb_sz)
{
struct CE_state *ce_state;
struct CE_ring_state *src_ring;
struct CE_ring_state *dest_ring;
ce_state = scn->ce_id_to_state[ce];
src_ring = ce_state->src_ring;
dest_ring = ce_state->dest_ring;
if (src_ring) {
buf_cur = hif_log_src_ce_dump(src_ring, buf_cur,
buf_init, buf_sz, skb_sz);
} else if (dest_ring) {
buf_cur = hif_log_dest_ce_dump(dest_ring, buf_cur,
buf_init, buf_sz, skb_sz);
} else {
qdf_print("Cannot print Ring for Unused CE%d\n", ce);
}
return buf_cur;
}
#endif /* OL_ATH_SMART_LOGGING */