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path: root/dpdk/dpdk-17.02_patches/0001-dpdk-dev-net-mlx5-add-out-of-buffer-counter-to-extended-statistic.patch
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Diffstat (limited to 'dpdk/dpdk-17.02_patches/0001-dpdk-dev-net-mlx5-add-out-of-buffer-counter-to-extended-statistic.patch')
-rw-r--r--dpdk/dpdk-17.02_patches/0001-dpdk-dev-net-mlx5-add-out-of-buffer-counter-to-extended-statistic.patch135
1 files changed, 135 insertions, 0 deletions
diff --git a/dpdk/dpdk-17.02_patches/0001-dpdk-dev-net-mlx5-add-out-of-buffer-counter-to-extended-statistic.patch b/dpdk/dpdk-17.02_patches/0001-dpdk-dev-net-mlx5-add-out-of-buffer-counter-to-extended-statistic.patch
new file mode 100644
index 00000000..3ebf5e8a
--- /dev/null
+++ b/dpdk/dpdk-17.02_patches/0001-dpdk-dev-net-mlx5-add-out-of-buffer-counter-to-extended-statistic.patch
@@ -0,0 +1,135 @@
+diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
+index 879da5e..2b4345a 100644
+--- a/drivers/net/mlx5/mlx5.h
++++ b/drivers/net/mlx5/mlx5.h
+@@ -197,6 +197,8 @@ struct mlx5_secondary_data {
+ int mlx5_is_secondary(void);
+ int priv_get_ifname(const struct priv *, char (*)[IF_NAMESIZE]);
+ int priv_ifreq(const struct priv *, int req, struct ifreq *);
++int priv_is_ib_cntr(const char *);
++int priv_get_cntr_sysfs(struct priv *, const char *, uint64_t *);
+ int priv_get_num_vfs(struct priv *, uint16_t *);
+ int priv_get_mtu(struct priv *, uint16_t *);
+ int priv_set_flags(struct priv *, unsigned int, unsigned int);
+diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
+index 2145965..6b64f44 100644
+--- a/drivers/net/mlx5/mlx5_ethdev.c
++++ b/drivers/net/mlx5/mlx5_ethdev.c
+@@ -234,6 +234,23 @@ struct priv *
+ }
+
+ /**
++ * Check if the counter is located on ib counters file.
++ *
++ * @param[in] cntr
++ * Counter name.
++ *
++ * @return
++ * 1 if counter is located on ib counters file , 0 otherwise.
++ */
++int
++priv_is_ib_cntr(const char *cntr)
++{
++ if (!strcmp(cntr, "out_of_buffer"))
++ return 1;
++ return 0;
++}
++
++/**
+ * Read from sysfs entry.
+ *
+ * @param[in] priv
+@@ -260,10 +277,15 @@ struct priv *
+ if (priv_get_ifname(priv, &ifname))
+ return -1;
+
+- MKSTR(path, "%s/device/net/%s/%s", priv->ctx->device->ibdev_path,
+- ifname, entry);
+-
+- file = fopen(path, "rb");
++ if (priv_is_ib_cntr(entry)) {
++ MKSTR(path, "%s/ports/1/hw_counters/%s",
++ priv->ctx->device->ibdev_path, entry);
++ file = fopen(path, "rb");
++ } else {
++ MKSTR(path, "%s/device/net/%s/%s",
++ priv->ctx->device->ibdev_path, ifname, entry);
++ file = fopen(path, "rb");
++ }
+ if (file == NULL)
+ return -1;
+ ret = fread(buf, 1, size, file);
+@@ -469,6 +491,30 @@ struct priv *
+ }
+
+ /**
++ * Read device counter from sysfs.
++ *
++ * @param priv
++ * Pointer to private structure.
++ * @param name
++ * Counter name.
++ * @param[out] cntr
++ * Counter output buffer.
++ *
++ * @return
++ * 0 on success, -1 on failure and errno is set.
++ */
++int
++priv_get_cntr_sysfs(struct priv *priv, const char *name, uint64_t *cntr)
++{
++ unsigned long ulong_ctr;
++
++ if (priv_get_sysfs_ulong(priv, name, &ulong_ctr) == -1)
++ return -1;
++ *cntr = ulong_ctr;
++ return 0;
++}
++
++/**
+ * Set device MTU.
+ *
+ * @param priv
+diff --git a/drivers/net/mlx5/mlx5_stats.c b/drivers/net/mlx5/mlx5_stats.c
+index 20c957e..a48ebea 100644
+--- a/drivers/net/mlx5/mlx5_stats.c
++++ b/drivers/net/mlx5/mlx5_stats.c
+@@ -125,6 +125,10 @@ struct mlx5_counter_ctrl {
+ .dpdk_name = "tx_errors_phy",
+ .ctr_name = "tx_errors_phy",
+ },
++ {
++ .dpdk_name = "rx_out_of_buffer",
++ .ctr_name = "out_of_buffer",
++ },
+ };
+
+ static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
+@@ -159,9 +163,15 @@ struct mlx5_counter_ctrl {
+ WARN("unable to read statistic values from device");
+ return -1;
+ }
+- for (i = 0; i != xstats_n; ++i)
+- stats[i] = (uint64_t)
+- et_stats->data[xstats_ctrl->dev_table_idx[i]];
++ for (i = 0; i != xstats_n; ++i) {
++ if (priv_is_ib_cntr(mlx5_counters_init[i].ctr_name))
++ priv_get_cntr_sysfs(priv,
++ mlx5_counters_init[i].ctr_name,
++ &stats[i]);
++ else
++ stats[i] = (uint64_t)
++ et_stats->data[xstats_ctrl->dev_table_idx[i]];
++ }
+ return 0;
+ }
+
+@@ -233,6 +243,8 @@ struct mlx5_counter_ctrl {
+ }
+ }
+ for (j = 0; j != xstats_n; ++j) {
++ if (priv_is_ib_cntr(mlx5_counters_init[i].ctr_name))
++ continue;
+ if (xstats_ctrl->dev_table_idx[j] >= dev_stats_n) {
+ WARN("counter \"%s\" is not recognized",
+ mlx5_counters_init[j].dpdk_name);