net/mlx5: fix representors detection

[dpdk.git] / drivers / net / mlx5 / mlx5_ethdev.c

diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index ea01b39..4a24f80 100644 (file)
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -41,6 +41,32 @@
 #include "mlx5_rxtx.h"
 #include "mlx5_utils.h"
 
+/* Supported speed values found in /usr/include/linux/ethtool.h */
+#ifndef HAVE_SUPPORTED_40000baseKR4_Full
+#define SUPPORTED_40000baseKR4_Full (1 << 23)
+#endif
+#ifndef HAVE_SUPPORTED_40000baseCR4_Full
+#define SUPPORTED_40000baseCR4_Full (1 << 24)
+#endif
+#ifndef HAVE_SUPPORTED_40000baseSR4_Full
+#define SUPPORTED_40000baseSR4_Full (1 << 25)
+#endif
+#ifndef HAVE_SUPPORTED_40000baseLR4_Full
+#define SUPPORTED_40000baseLR4_Full (1 << 26)
+#endif
+#ifndef HAVE_SUPPORTED_56000baseKR4_Full
+#define SUPPORTED_56000baseKR4_Full (1 << 27)
+#endif
+#ifndef HAVE_SUPPORTED_56000baseCR4_Full
+#define SUPPORTED_56000baseCR4_Full (1 << 28)
+#endif
+#ifndef HAVE_SUPPORTED_56000baseSR4_Full
+#define SUPPORTED_56000baseSR4_Full (1 << 29)
+#endif
+#ifndef HAVE_SUPPORTED_56000baseLR4_Full
+#define SUPPORTED_56000baseLR4_Full (1 << 30)
+#endif
+
 /* Add defines in case the running kernel is not the same as user headers. */
 #ifndef ETHTOOL_GLINKSETTINGS
 struct ethtool_link_settings {
@@ -376,15 +402,15 @@ mlx5_dev_configure(struct rte_eth_dev *dev)
 
        if (use_app_rss_key &&
            (dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len !=
-            rss_hash_default_key_len)) {
-               DRV_LOG(ERR, "port %u RSS key len must be %zu Bytes long",
-                       dev->data->port_id, rss_hash_default_key_len);
+            MLX5_RSS_HASH_KEY_LEN)) {
+               DRV_LOG(ERR, "port %u RSS key len must be %s Bytes long",
+                       dev->data->port_id, RTE_STR(MLX5_RSS_HASH_KEY_LEN));
                rte_errno = EINVAL;
                return -rte_errno;
        }
        priv->rss_conf.rss_key =
                rte_realloc(priv->rss_conf.rss_key,
-                           rss_hash_default_key_len, 0);
+                           MLX5_RSS_HASH_KEY_LEN, 0);
        if (!priv->rss_conf.rss_key) {
                DRV_LOG(ERR, "port %u cannot allocate RSS hash key memory (%u)",
                        dev->data->port_id, rxqs_n);
@@ -395,8 +421,8 @@ mlx5_dev_configure(struct rte_eth_dev *dev)
               use_app_rss_key ?
               dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key :
               rss_hash_default_key,
-              rss_hash_default_key_len);
-       priv->rss_conf.rss_key_len = rss_hash_default_key_len;
+              MLX5_RSS_HASH_KEY_LEN);
+       priv->rss_conf.rss_key_len = MLX5_RSS_HASH_KEY_LEN;
        priv->rss_conf.rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
        priv->rxqs = (void *)dev->data->rx_queues;
        priv->txqs = (void *)dev->data->tx_queues;
@@ -514,7 +540,7 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
                info->if_index = if_nametoindex(ifname);
        info->reta_size = priv->reta_idx_n ?
                priv->reta_idx_n : config->ind_table_max_size;
-       info->hash_key_size = rss_hash_default_key_len;
+       info->hash_key_size = MLX5_RSS_HASH_KEY_LEN;
        info->speed_capa = priv->link_speed_capa;
        info->flow_type_rss_offloads = ~MLX5_RSS_HF_MASK;
        mlx5_set_default_params(dev, info);
@@ -1295,3 +1321,56 @@ mlx5_dev_to_port_id(const struct rte_device *dev, uint16_t *port_list,
        }
        return n;
 }
+
+/**
+ * Get switch information associated with network interface.
+ *
+ * @param ifindex
+ *   Network interface index.
+ * @param[out] info
+ *   Switch information object, populated in case of success.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_sysfs_switch_info(unsigned int ifindex, struct mlx5_switch_info *info)
+{
+       char ifname[IF_NAMESIZE];
+       FILE *file;
+       struct mlx5_switch_info data = { .master = 0, };
+       bool port_name_set = false;
+       bool port_switch_id_set = false;
+       char c;
+
+       if (!if_indextoname(ifindex, ifname)) {
+               rte_errno = errno;
+               return -rte_errno;
+       }
+
+       MKSTR(phys_port_name, "/sys/class/net/%s/phys_port_name",
+             ifname);
+       MKSTR(phys_switch_id, "/sys/class/net/%s/phys_switch_id",
+             ifname);
+
+       file = fopen(phys_port_name, "rb");
+       if (file != NULL) {
+               port_name_set =
+                       fscanf(file, "%d%c", &data.port_name, &c) == 2 &&
+                       c == '\n';
+               fclose(file);
+       }
+       file = fopen(phys_switch_id, "rb");
+       if (file == NULL) {
+               rte_errno = errno;
+               return -rte_errno;
+       }
+       port_switch_id_set =
+               fscanf(file, "%" SCNx64 "%c", &data.switch_id, &c) == 2 &&
+               c == '\n';
+       fclose(file);
+       data.master = port_switch_id_set && !port_name_set;
+       data.representor = port_switch_id_set && port_name_set;
+       *info = data;
+       return 0;
+}