ath6kl: add debug messages for credit handling
Also take few from htc debug level which are more suitable for credit.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index c1b822b..d537ccf 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -142,47 +142,46 @@
static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
{
- ath6kl_dbg(ATH6KL_DBG_ANY,
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
"--- endpoint: %d svc_id: 0x%X ---\n",
ep_dist->endpoint, ep_dist->svc_id);
- ath6kl_dbg(ATH6KL_DBG_ANY, " dist_flags : 0x%X\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",
ep_dist->dist_flags);
- ath6kl_dbg(ATH6KL_DBG_ANY, " cred_norm : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",
ep_dist->cred_norm);
- ath6kl_dbg(ATH6KL_DBG_ANY, " cred_min : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",
ep_dist->cred_min);
- ath6kl_dbg(ATH6KL_DBG_ANY, " credits : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",
ep_dist->credits);
- ath6kl_dbg(ATH6KL_DBG_ANY, " cred_assngd : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",
ep_dist->cred_assngd);
- ath6kl_dbg(ATH6KL_DBG_ANY, " seek_cred : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",
ep_dist->seek_cred);
- ath6kl_dbg(ATH6KL_DBG_ANY, " cred_sz : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",
ep_dist->cred_sz);
- ath6kl_dbg(ATH6KL_DBG_ANY, " cred_per_msg : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",
ep_dist->cred_per_msg);
- ath6kl_dbg(ATH6KL_DBG_ANY, " cred_to_dist : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",
ep_dist->cred_to_dist);
- ath6kl_dbg(ATH6KL_DBG_ANY, " txq_depth : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",
get_queue_depth(&ep_dist->htc_ep->txq));
- ath6kl_dbg(ATH6KL_DBG_ANY,
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
"----------------------------------\n");
}
+/* FIXME: move to htc.c */
void dump_cred_dist_stats(struct htc_target *target)
{
struct htc_endpoint_credit_dist *ep_list;
- if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_TRC))
+ if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_CREDIT))
return;
list_for_each_entry(ep_list, &target->cred_dist_list, list)
dump_cred_dist(ep_list);
- ath6kl_dbg(ATH6KL_DBG_HTC, "ctxt:%p dist:%p\n",
- target->credit_info, NULL);
- ath6kl_dbg(ATH6KL_DBG_HTC,
- "credit distribution, total : %d, free : %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "credit distribution total %d free %d\n",
target->credit_info->total_avail_credits,
target->credit_info->cur_free_credits);
}
diff --git a/drivers/net/wireless/ath/ath6kl/debug.h b/drivers/net/wireless/ath/ath6kl/debug.h
index afb747b..491485e 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.h
+++ b/drivers/net/wireless/ath/ath6kl/debug.h
@@ -20,7 +20,7 @@
#include "hif.h"
enum ATH6K_DEBUG_MASK {
- /* hole */
+ ATH6KL_DBG_CREDIT = BIT(0),
/* hole */
ATH6KL_DBG_WLAN_TX = BIT(2), /* wlan tx */
ATH6KL_DBG_WLAN_RX = BIT(3), /* wlan rx */
diff --git a/drivers/net/wireless/ath/ath6kl/htc.c b/drivers/net/wireless/ath/ath6kl/htc.c
index 511eebd..a971c2f 100644
--- a/drivers/net/wireless/ath/ath6kl/htc.c
+++ b/drivers/net/wireless/ath/ath6kl/htc.c
@@ -27,6 +27,9 @@
struct htc_endpoint_credit_dist *ep_dist,
int credits)
{
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, "credit deposit ep %d credits %d\n",
+ ep_dist->endpoint, credits);
+
ep_dist->credits += credits;
ep_dist->cred_assngd += credits;
cred_info->cur_free_credits -= credits;
@@ -39,6 +42,8 @@
struct htc_endpoint_credit_dist *cur_ep_dist;
int count;
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, "credit init total %d\n", tot_credits);
+
cred_info->cur_free_credits = tot_credits;
cred_info->total_avail_credits = tot_credits;
@@ -108,6 +113,15 @@
cur_ep_dist->cred_norm = count;
}
+
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "credit ep %d svc_id %d credits %d per_msg %d norm %d min %d\n",
+ cur_ep_dist->endpoint,
+ cur_ep_dist->svc_id,
+ cur_ep_dist->credits,
+ cur_ep_dist->cred_per_msg,
+ cur_ep_dist->cred_norm,
+ cur_ep_dist->cred_min);
}
}
@@ -138,6 +152,9 @@
{
int credits;
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, "credit reduce ep %d limit %d\n",
+ ep_dist->endpoint, limit);
+
ep_dist->cred_assngd = limit;
if (ep_dist->credits <= limit)
@@ -515,7 +532,7 @@
*req_cred = (len > target->tgt_cred_sz) ?
DIV_ROUND_UP(len, target->tgt_cred_sz) : 1;
- ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds required %d got %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, "credit check need %d got %d\n",
*req_cred, ep->cred_dist.credits);
if (ep->cred_dist.credits < *req_cred) {
@@ -525,16 +542,13 @@
/* Seek more credits */
ep->cred_dist.seek_cred = *req_cred - ep->cred_dist.credits;
- ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds ctxt 0x%p dist 0x%p\n",
- target->credit_info, &ep->cred_dist);
-
ath6kl_credit_seek(target->credit_info, &ep->cred_dist);
ep->cred_dist.seek_cred = 0;
if (ep->cred_dist.credits < *req_cred) {
- ath6kl_dbg(ATH6KL_DBG_HTC,
- "htc creds not enough credits for ep %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "credit not found for ep %d\n",
eid);
return -EINVAL;
}
@@ -548,9 +562,6 @@
ep->cred_dist.seek_cred =
ep->cred_dist.cred_per_msg - ep->cred_dist.credits;
- ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds ctxt 0x%p dist 0x%p\n",
- target->credit_info, &ep->cred_dist);
-
ath6kl_credit_seek(target->credit_info, &ep->cred_dist);
/* see if we were successful in getting more */
@@ -558,7 +569,8 @@
/* tell the target we need credits ASAP! */
*flags |= HTC_FLAGS_NEED_CREDIT_UPDATE;
ep->ep_st.cred_low_indicate += 1;
- ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds host needs credits\n");
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "credit we need credits asap\n");
}
}
@@ -1495,9 +1507,6 @@
int tot_credits = 0, i;
bool dist = false;
- ath6kl_dbg(ATH6KL_DBG_HTC,
- "htc creds report entries %d\n", n_entries);
-
spin_lock_bh(&target->tx_lock);
for (i = 0; i < n_entries; i++, rpt++) {
@@ -1509,8 +1518,8 @@
endpoint = &target->endpoint[rpt->eid];
- ath6kl_dbg(ATH6KL_DBG_HTC,
- "htc creds report ep %d credits %d\n",
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "credit report ep %d credits %d\n",
rpt->eid, rpt->credits);
endpoint->ep_st.tx_cred_rpt += 1;
@@ -1551,18 +1560,11 @@
tot_credits += rpt->credits;
}
- ath6kl_dbg(ATH6KL_DBG_HTC,
- "htc creds report tot_credits %d\n",
- tot_credits);
-
if (dist) {
/*
* This was a credit return based on a completed send
* operations note, this is done with the lock held
*/
- ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds ctxt 0x%p dist 0x%p\n",
- target->credit_info, &target->cred_dist_list);
-
ath6kl_credit_distribute(target->credit_info,
&target->cred_dist_list,
HTC_CREDIT_DIST_SEND_COMPLETE);