[dpdk-dev] [PATCH v3 04/61] net/qede/base: print various indication on Tx-timeouts

[Rasesh Mody <rasesh.mody@cavium.com>]

Print various indication on Tx-timeouts.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
---
 drivers/net/qede/base/ecore_int.c     |   27 +++++++++++++++++++++++++++
 drivers/net/qede/base/ecore_int_api.h |   21 +++++++++++++++++++++
 drivers/net/qede/base/reg_addr.h      |    3 +++
 drivers/net/qede/qede_main.c          |   23 +++++++++++++++++++++++
 4 files changed, 74 insertions(+)

diff --git a/drivers/net/qede/base/ecore_int.c b/drivers/net/qede/base/ecore_int.c
index b6b8e2d..e5a4359 100644
--- a/drivers/net/qede/base/ecore_int.c
+++ b/drivers/net/qede/base/ecore_int.c
@@ -2255,3 +2255,30 @@ enum _ecore_status_t ecore_int_set_timer_res(struct ecore_hwfn *p_hwfn,
 
 	return rc;
 }
+
+enum _ecore_status_t ecore_int_get_sb_dbg(struct ecore_hwfn *p_hwfn,
+					  struct ecore_ptt *p_ptt,
+					  struct ecore_sb_info *p_sb,
+					  struct ecore_sb_info_dbg *p_info)
+{
+	u16 sbid = p_sb->igu_sb_id;
+	int i;
+
+	if (IS_VF(p_hwfn->p_dev))
+		return ECORE_INVAL;
+
+	if (sbid > NUM_OF_SBS(p_hwfn->p_dev))
+		return ECORE_INVAL;
+
+	p_info->igu_prod = ecore_rd(p_hwfn, p_ptt,
+				    IGU_REG_PRODUCER_MEMORY + sbid * 4);
+	p_info->igu_cons = ecore_rd(p_hwfn, p_ptt,
+				    IGU_REG_CONSUMER_MEM + sbid * 4);
+
+	for (i = 0; i < PIS_PER_SB; i++)
+		p_info->pi[i] = (u16)ecore_rd(p_hwfn, p_ptt,
+					      CAU_REG_PI_MEMORY +
+					      sbid * 4 * PIS_PER_SB +  i * 4);
+
+	return ECORE_SUCCESS;
+}
diff --git a/drivers/net/qede/base/ecore_int_api.h b/drivers/net/qede/base/ecore_int_api.h
index a0d6a43..fdfcba8 100644
--- a/drivers/net/qede/base/ecore_int_api.h
+++ b/drivers/net/qede/base/ecore_int_api.h
@@ -41,6 +41,12 @@ struct ecore_sb_info {
 	struct ecore_dev *p_dev;
 };
 
+struct ecore_sb_info_dbg {
+	u32 igu_prod;
+	u32 igu_cons;
+	u16 pi[PIS_PER_SB];
+};
+
 struct ecore_sb_cnt_info {
 	int sb_cnt;
 	int sb_iov_cnt;
@@ -303,4 +309,19 @@ void ecore_int_disable_post_isr_release(struct ecore_dev *p_dev);
  */
 void ecore_int_attn_clr_enable(struct ecore_dev *p_dev, bool clr_enable);
 
+/**
+ * @brief Read debug information regarding a given SB.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_sb - point to Status block for which we want to get info.
+ * @param p_info - pointer to struct to fill with information regarding SB.
+ *
+ * @return ECORE_SUCCESS if pointer is filled; failure otherwise.
+ */
+enum _ecore_status_t ecore_int_get_sb_dbg(struct ecore_hwfn *p_hwfn,
+					  struct ecore_ptt *p_ptt,
+					  struct ecore_sb_info *p_sb,
+					  struct ecore_sb_info_dbg *p_info);
+
 #endif
diff --git a/drivers/net/qede/base/reg_addr.h b/drivers/net/qede/base/reg_addr.h
index 21cbdbd..3cc7fd4 100644
--- a/drivers/net/qede/base/reg_addr.h
+++ b/drivers/net/qede/base/reg_addr.h
@@ -1144,3 +1144,6 @@
 
 /* 8.18.7.0 FW */
 #define BRB_REG_INT_MASK_10 0x3401b8UL
+
+#define IGU_REG_PRODUCER_MEMORY 0x182000UL
+#define IGU_REG_CONSUMER_MEM 0x183000UL
diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index f0033a1..a604a5b 100644
--- a/drivers/net/qede/qede_main.c
+++ b/drivers/net/qede/qede_main.c
@@ -687,6 +687,29 @@ static int qed_send_drv_state(struct ecore_dev *edev, bool active)
 	return status;
 }
 
+static int qed_get_sb_info(struct ecore_dev *edev, struct ecore_sb_info *sb,
+			   u16 qid, struct ecore_sb_info_dbg *sb_dbg)
+{
+	struct ecore_hwfn *hwfn = &edev->hwfns[qid % edev->num_hwfns];
+	struct ecore_ptt *ptt;
+	int rc;
+
+	if (IS_VF(edev))
+		return -EINVAL;
+
+	ptt = ecore_ptt_acquire(hwfn);
+	if (!ptt) {
+		DP_NOTICE(hwfn, true, "Can't acquire PTT\n");
+		return -EAGAIN;
+	}
+
+	memset(sb_dbg, 0, sizeof(*sb_dbg));
+	rc = ecore_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
+
+	ecore_ptt_release(hwfn, ptt);
+	return rc;
+}
+
 const struct qed_common_ops qed_common_ops_pass = {
 	INIT_STRUCT_FIELD(probe, &qed_probe),
 	INIT_STRUCT_FIELD(update_pf_params, &qed_update_pf_params),
-- 
1.7.10.3