From: Shreyansh Jain <shreyansh.jain@nxp.com>
Date: Thu, 28 Sep 2017 12:29:58 +0000 (+0530)
Subject: net/dpaa: add packet dump for debugging
X-Git-Tag: spdx-start~1811
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=05ba55bc2b1a;p=dpdk.git

net/dpaa: add packet dump for debugging

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---

diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 12dcc68911..3d6ddaee3e 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -618,6 +618,39 @@ static int dpaa_tx_queue_init(struct qman_fq *fq,
 	return ret;
 }
 
+#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
+/* Initialise a DEBUG FQ ([rt]x_error, rx_default). */
+static int dpaa_debug_queue_init(struct qman_fq *fq, uint32_t fqid)
+{
+	struct qm_mcc_initfq opts;
+	int ret;
+
+	PMD_INIT_FUNC_TRACE();
+
+	ret = qman_reserve_fqid(fqid);
+	if (ret) {
+		DPAA_PMD_ERR("Reserve debug fqid %d failed with ret: %d",
+			fqid, ret);
+		return -EINVAL;
+	}
+	/* "map" this Rx FQ to one of the interfaces Tx FQID */
+	DPAA_PMD_DEBUG("Creating debug fq %p, fqid %d", fq, fqid);
+	ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
+	if (ret) {
+		DPAA_PMD_ERR("create debug fqid %d failed with ret: %d",
+			fqid, ret);
+		return ret;
+	}
+	opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL;
+	opts.fqd.dest.wq = DPAA_IF_DEBUG_PRIORITY;
+	ret = qman_init_fq(fq, 0, &opts);
+	if (ret)
+		DPAA_PMD_ERR("init debug fqid %d failed with ret: %d",
+			    fqid, ret);
+	return ret;
+}
+#endif
+
 /* Initialise a network interface */
 static int
 dpaa_dev_init(struct rte_eth_dev *eth_dev)
@@ -692,6 +725,15 @@ dpaa_dev_init(struct rte_eth_dev *eth_dev)
 	}
 	dpaa_intf->nb_tx_queues = num_cores;
 
+#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
+	dpaa_debug_queue_init(&dpaa_intf->debug_queues[
+		DPAA_DEBUG_FQ_RX_ERROR], fman_intf->fqid_rx_err);
+	dpaa_intf->debug_queues[DPAA_DEBUG_FQ_RX_ERROR].dpaa_intf = dpaa_intf;
+	dpaa_debug_queue_init(&dpaa_intf->debug_queues[
+		DPAA_DEBUG_FQ_TX_ERROR], fman_intf->fqid_tx_err);
+	dpaa_intf->debug_queues[DPAA_DEBUG_FQ_TX_ERROR].dpaa_intf = dpaa_intf;
+#endif
+
 	DPAA_PMD_DEBUG("All frame queues created");
 
 	/* Get the initial configuration for flow control */
diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c
index 9c25d8cfa8..d73f9cbe71 100644
--- a/drivers/net/dpaa/dpaa_rxtx.c
+++ b/drivers/net/dpaa/dpaa_rxtx.c
@@ -85,6 +85,31 @@
 		(_fd)->bpid = _bpid; \
 	} while (0)
 
+#if (defined RTE_LIBRTE_DPAA_DEBUG_DRIVER)
+void dpaa_display_frame(const struct qm_fd *fd)
+{
+	int ii;
+	char *ptr;
+
+	printf("%s::bpid %x addr %08x%08x, format %d off %d, len %d stat %x\n",
+	       __func__, fd->bpid, fd->addr_hi, fd->addr_lo, fd->format,
+		fd->offset, fd->length20, fd->status);
+
+	ptr = (char *)rte_dpaa_mem_ptov(fd->addr);
+	ptr += fd->offset;
+	printf("%02x ", *ptr);
+	for (ii = 1; ii < fd->length20; ii++) {
+		printf("%02x ", *ptr);
+		if ((ii % 16) == 0)
+			printf("\n");
+		ptr++;
+	}
+	printf("\n");
+}
+#else
+#define dpaa_display_frame(a)
+#endif
+
 static inline void dpaa_slow_parsing(struct rte_mbuf *m __rte_unused,
 				     uint64_t prs __rte_unused)
 {
@@ -353,6 +378,7 @@ static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd,
 		return dpaa_eth_sg_to_mbuf(fd, ifid);
 
 	/* Ignoring case when format != qm_fd_contig */
+	dpaa_display_frame(fd);
 	ptr = rte_dpaa_mem_ptov(fd->addr);
 	/* Ignoring case when ptr would be NULL. That is only possible incase
 	 * of a corrupted packet