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 (file)
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -142,47 +142,46 @@ void ath6kl_dump_registers(struct ath6kl_device *dev,
 
 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 (file)
--- 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 (file)
--- a/drivers/net/wireless/ath/ath6kl/htc.c
+++ b/drivers/net/wireless/ath/ath6kl/htc.c
@@ -27,6 +27,9 @@ static void ath6kl_credit_deposit(struct ath6kl_htc_credit_info *cred_info,
                                  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 @@ static void ath6kl_credit_init(struct ath6kl_htc_credit_info *cred_info,
        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 @@ static void ath6kl_credit_init(struct ath6kl_htc_credit_info *cred_info,
                        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 @@ static void ath6kl_credit_reduce(struct ath6kl_htc_credit_info *cred_info,
 {
        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 @@ static int htc_check_credits(struct htc_target *target,
        *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 @@ static int htc_check_credits(struct htc_target *target,
                /* 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 @@ static int htc_check_credits(struct htc_target *target,
                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 @@ static int htc_check_credits(struct htc_target *target,
                        /* 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 @@ static void htc_proc_cred_rpt(struct htc_target *target,
        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 @@ static void htc_proc_cred_rpt(struct htc_target *target,
 
                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 @@ static void htc_proc_cred_rpt(struct htc_target *target,
                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);