dpdk: add support for Mellanox ConnectX-5 devices

Change-Id: I3ed2834a326eac50a7cb4faa592f42fd06325d5a
Signed-off-by: Damjan Marion <damarion@cisco.com>

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 00000000000..3ebf5e8aa91
--- /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);