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

   1 --- a/dcdp/platform/sw_plat.c
   2 +++ b/dcdp/platform/sw_plat.c
   3 @@ -85,6 +85,7 @@ struct aca_ring {
   4         u32 dnum;
   5         u32 dsize;
   6         int idx; /* SoC RX/TX index */
   7 +       u64 cnt;
   8         int ep_dev_idx;
   9  };
  10
  11 @@ -210,6 +211,8 @@ struct plat_priv {
  12         struct net_device *netdev;
  13         struct napi_struct *napi_tx;
  14         struct napi_struct *napi_rx;
  15 +       u64 napi_tx_stats[NAPI_POLL_WEIGHT+1];
  16 +       u64 napi_rx_stats[NAPI_POLL_WEIGHT+1];
  17         DECLARE_HASHTABLE(mem_map, 8);
  18  };
  19
  20 @@ -362,6 +365,7 @@ static void txlist_free(struct tx_list *
  21  static inline void ring_idx_inc(struct aca_ring *ring)
  22  {
  23         ring->idx = (ring->idx + 1) % ring->dnum;
  24 +       ring->cnt += 1;
  25  }
  26
  27  static struct sk_buff *txin_skb_prepare(struct sk_buff *skb)
  28 @@ -619,6 +623,8 @@ static int plat_txout_napi(struct napi_s
  29
  30         cnt = txout_action(tcpriv, txout, budget);
  31
  32 +       priv->napi_tx_stats[cnt] += 1;
  33 +
  34         if (cnt < budget) {
  35                 if (napi_complete_done(napi, cnt))
  36                         ep_dev->hw_ops->icu_en(ep_dev, ACA_HOSTIF_TX);
  37 @@ -653,6 +659,8 @@ static int plat_rxout_napi(struct napi_s
  38         if (cnt)
  39                 rxin_action(tcpriv, rxin, DMA_PACKET_SZ, cnt);
  40
  41 +       priv->napi_rx_stats[cnt] += 1;
  42 +
  43         if (cnt < budget) {
  44                 if (napi_complete_done(napi, cnt))
  45                         ep_dev->hw_ops->icu_en(ep_dev, ACA_HOSTIF_RX);
  46 @@ -1092,6 +1100,56 @@ static int plat_soc_cfg_get(struct soc_c
  47         return 0;
  48  }
  49
  50 +static struct proc_dir_entry *g_proc_entry;
  51 +
  52 +static int proc_show(struct seq_file *m, void *p)
  53 +{
  54 +       struct aca_ring *txin = &g_plat_priv->soc_rings.txin;
  55 +       struct aca_ring *txout = &g_plat_priv->soc_rings.txout;
  56 +       struct aca_ring *rxin = &g_plat_priv->soc_rings.rxin;
  57 +       struct aca_ring *rxout = &g_plat_priv->soc_rings.rxout;
  58 +       int i;
  59 +
  60 +       seq_printf(m, "napi_tx_stats: ");
  61 +       for (i = 0; i < sizeof(g_plat_priv->napi_tx_stats) / sizeof(g_plat_priv->napi_tx_stats[0]); i++) {
  62 +               if (i == 0) {
  63 +                       seq_printf(m, "%llu", g_plat_priv->napi_tx_stats[i]);
  64 +               } else {
  65 +                       seq_printf(m, ", %llu", g_plat_priv->napi_tx_stats[i]);
  66 +               }
  67 +       }
  68 +       seq_printf(m, "\n");
  69 +
  70 +       seq_printf(m, "napi_rx_stats: ");
  71 +       for (i = 0; i < sizeof(g_plat_priv->napi_rx_stats) / sizeof(g_plat_priv->napi_rx_stats[0]); i++) {
  72 +               if (i == 0) {
  73 +                       seq_printf(m, "%llu", g_plat_priv->napi_rx_stats[i]);
  74 +               } else {
  75 +                       seq_printf(m, ", %llu", g_plat_priv->napi_rx_stats[i]);
  76 +               }
  77 +       }
  78 +       seq_printf(m, "\n");
  79 +
  80 +       seq_printf(m, "txin: %d/%u, %llu\n", txin->idx, txin->dnum, txin->cnt);
  81 +       seq_printf(m, "txout: %d/%u, %llu\n", txout->idx, txout->dnum, txout->cnt);
  82 +       seq_printf(m, "rxin: %d/%u, %llu\n", rxin->idx, rxin->dnum, rxin->cnt);
  83 +       seq_printf(m, "rxout: %d/%u, %llu\n", rxout->idx, rxout->dnum, rxout->cnt);
  84 +
  85 +       return 0;
  86 +}
  87 +
  88 +static int proc_open(struct inode *inode, struct file *file)
  89 +{
  90 +       return single_open(file, proc_show, NULL);
  91 +}
  92 +
  93 +static struct proc_ops proc_operations = {
  94 +        .proc_open    = proc_open,
  95 +        .proc_read    = seq_read,
  96 +        .proc_lseek   = seq_lseek,
  97 +        .proc_release = single_release
  98 +};
  99 +
 100  static int plat_open(struct net_device *pdev, const char *dev_name,
 101                 struct napi_struct *napi_tx, struct napi_struct *napi_rx,
 102                 int id, int flag)
 103 @@ -1099,6 +1157,8 @@ static int plat_open(struct net_device *
 104         struct tc_priv *priv = g_plat_priv->tc_priv;
 105         int i;
 106
 107 +       g_proc_entry = proc_create("swplat", 0600, priv->proc_dir, &proc_operations);
 108 +
 109         for (i = 0; i < EP_MAX_NUM && i < priv->ep_num; i++) {
 110                 disable_irq(priv->ep_dev[i].aca_rx_irq);
 111                 disable_irq(priv->ep_dev[i].aca_tx_irq);
 112 @@ -1137,6 +1197,8 @@ static void plat_close(struct net_device
 113                 enable_irq(priv->ep_dev[i].aca_tx_irq);
 114         }
 115
 116 +       proc_remove(g_proc_entry);
 117 +
 118         return;
 119  }
 120