openwrt/package/kernel/lantiq/vrx518_tc/patches/203-dbg.patch
Martin Schiller 474bbe23b7 kernel: add Intel/Lantiq VRX518 TC driver
This driver version is also included in Intel UGW 8.5.2.10.

Signed-off-by: Martin Schiller <ms.3headeddevs@gmail.com>
[updated for kernel 5.10]
Signed-off-by: Jan Hoffmann <jan@3e8.eu>
[update to 1.5.12.4, switch to tag tarball]
Signed-off-by: Andre Heider <a.heider@gmail.com>
[add working software data path]
Signed-off-by: Jan Hoffmann <jan@3e8.eu>
Signed-off-by: Andre Heider <a.heider@gmail.com>
2023-01-16 23:41:41 +00:00

121 lines
3.5 KiB
Diff

--- 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;
}