openwrt/package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch

--- a/dcdp/platform/sw_plat.c
+++ b/dcdp/platform/sw_plat.c
@@ -85,6 +85,7 @@ struct aca_ring {
 	u32 dnum;
 	u32 dsize;
 	int idx; /* SoC RX/TX index */
+	u64 cnt;
 	int ep_dev_idx;
 };
 
@@ -210,6 +211,8 @@ struct plat_priv {
 	struct net_device *netdev;
 	struct napi_struct *napi_tx;
 	struct napi_struct *napi_rx;
+	u64 napi_tx_stats[NAPI_POLL_WEIGHT+1];
+	u64 napi_rx_stats[NAPI_POLL_WEIGHT+1];
 	DECLARE_HASHTABLE(mem_map, 8);
 };
 
@@ -362,6 +365,7 @@ static void txlist_free(struct tx_list *
 static inline void ring_idx_inc(struct aca_ring *ring)
 {
 	ring->idx = (ring->idx + 1) % ring->dnum;
+	ring->cnt += 1;
 }
 
 static struct sk_buff *txin_skb_prepare(struct sk_buff *skb)
@@ -619,6 +623,8 @@ static int plat_txout_napi(struct napi_s
 
 	cnt = txout_action(tcpriv, txout, budget);
 
+	priv->napi_tx_stats[cnt] += 1;
+
 	if (cnt < budget) {
 		if (napi_complete_done(napi, cnt))
 			ep_dev->hw_ops->icu_en(ep_dev, ACA_HOSTIF_TX);
@@ -653,6 +659,8 @@ static int plat_rxout_napi(struct napi_s
 	if (cnt)
 		rxin_action(tcpriv, rxin, DMA_PACKET_SZ, cnt);
 
+	priv->napi_rx_stats[cnt] += 1;
+
 	if (cnt < budget) {
 		if (napi_complete_done(napi, cnt))
 			ep_dev->hw_ops->icu_en(ep_dev, ACA_HOSTIF_RX);
@@ -1092,6 +1100,56 @@ static int plat_soc_cfg_get(struct soc_c
 	return 0;
 }
 
+static struct proc_dir_entry *g_proc_entry;
+
+static int proc_show(struct seq_file *m, void *p)
+{
+	struct aca_ring *txin = &g_plat_priv->soc_rings.txin;
+	struct aca_ring *txout = &g_plat_priv->soc_rings.txout;
+	struct aca_ring *rxin = &g_plat_priv->soc_rings.rxin;
+	struct aca_ring *rxout = &g_plat_priv->soc_rings.rxout;
+	int i;
+
+	seq_printf(m, "napi_tx_stats: ");
+	for (i = 0; i < sizeof(g_plat_priv->napi_tx_stats) / sizeof(g_plat_priv->napi_tx_stats[0]); i++) {
+		if (i == 0) {
+			seq_printf(m, "%llu", g_plat_priv->napi_tx_stats[i]);
+		} else {
+			seq_printf(m, ", %llu", g_plat_priv->napi_tx_stats[i]);
+		}
+	}
+	seq_printf(m, "\n");
+
+	seq_printf(m, "napi_rx_stats: ");
+	for (i = 0; i < sizeof(g_plat_priv->napi_rx_stats) / sizeof(g_plat_priv->napi_rx_stats[0]); i++) {
+		if (i == 0) {
+			seq_printf(m, "%llu", g_plat_priv->napi_rx_stats[i]);
+		} else {
+			seq_printf(m, ", %llu", g_plat_priv->napi_rx_stats[i]);
+		}
+	}
+	seq_printf(m, "\n");
+
+	seq_printf(m, "txin: %d/%u, %llu\n", txin->idx, txin->dnum, txin->cnt);
+	seq_printf(m, "txout: %d/%u, %llu\n", txout->idx, txout->dnum, txout->cnt);
+	seq_printf(m, "rxin: %d/%u, %llu\n", rxin->idx, rxin->dnum, rxin->cnt);
+	seq_printf(m, "rxout: %d/%u, %llu\n", rxout->idx, rxout->dnum, rxout->cnt);
+
+	return 0;
+}
+
+static int proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, proc_show, NULL);
+}
+
+static struct proc_ops proc_operations = {
+        .proc_open    = proc_open,
+        .proc_read    = seq_read,
+        .proc_lseek   = seq_lseek,
+        .proc_release = single_release
+};
+
 static int plat_open(struct net_device *pdev, const char *dev_name,
 		struct napi_struct *napi_tx, struct napi_struct *napi_rx,
 		int id, int flag)
@@ -1099,6 +1157,8 @@ static int plat_open(struct net_device *
 	struct tc_priv *priv = g_plat_priv->tc_priv;
 	int i;
 
+	g_proc_entry = proc_create("swplat", 0600, priv->proc_dir, &proc_operations);
+
 	for (i = 0; i < EP_MAX_NUM && i < priv->ep_num; i++) {
 		disable_irq(priv->ep_dev[i].aca_rx_irq);
 		disable_irq(priv->ep_dev[i].aca_tx_irq);
@@ -1137,6 +1197,8 @@ static void plat_close(struct net_device
 		enable_irq(priv->ep_dev[i].aca_tx_irq);
 	}
 
+	proc_remove(g_proc_entry);
+
 	return;
 }