diff options
Diffstat (limited to 'package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch')
| -rw-r--r-- | package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch b/package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch new file mode 100644 index 0000000000..687e66f991 --- /dev/null +++ b/package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch @@ -0,0 +1,120 @@ +--- 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; + } + |