[v3,06/13] net/mlx5: switch to the names in the shared IB context

Message ID 1553614522-12151-7-git-send-email-viacheslavo@mellanox.com
State Superseded, archived
Delegated to: Shahaf Shuler
Headers show
Series
  • net/mlx5: add support for multiport IB devices
Related show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch warning coding style issues

Commit Message

Viacheslav Ovsiienko March 26, 2019, 3:35 p.m.
The IB device names are moved from device private data
to the shared context, code involving the names is updated.
The IB port index treatment is added where it is relevant.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>
---
 drivers/net/mlx5/mlx5.h        |  2 --
 drivers/net/mlx5/mlx5_ethdev.c | 10 +++++++---
 drivers/net/mlx5/mlx5_stats.c  | 22 +++++++++++++---------
 3 files changed, 20 insertions(+), 14 deletions(-)

Patch

diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index f612577..e5edcde 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -235,8 +235,6 @@  struct mlx5_priv {
 	struct ibv_context *ctx; /* Verbs context. */
 	struct ibv_device_attr_ex device_attr; /* Device properties. */
 	struct ibv_pd *pd; /* Protection Domain. */
-	char ibdev_name[IBV_SYSFS_NAME_MAX]; /* IB device name. */
-	char ibdev_path[IBV_SYSFS_PATH_MAX]; /* IB device path for secondary */
 	struct ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; /* MAC addresses. */
 	BITFIELD_DECLARE(mac_own, uint64_t, MLX5_MAX_MAC_ADDRESSES);
 	/* Bit-field of MAC addresses owned by the PMD. */
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 2b83898..0662594 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -138,8 +138,10 @@  struct ethtool_link_settings {
 	unsigned int dev_port_prev = ~0u;
 	char match[IF_NAMESIZE] = "";
 
+	assert(priv);
+	assert(priv->sh);
 	{
-		MKSTR(path, "%s/device/net", priv->ibdev_path);
+		MKSTR(path, "%s/device/net", priv->sh->ibdev_path);
 
 		dir = opendir(path);
 		if (dir == NULL) {
@@ -159,7 +161,7 @@  struct ethtool_link_settings {
 			continue;
 
 		MKSTR(path, "%s/device/net/%s/%s",
-		      priv->ibdev_path, name,
+		      priv->sh->ibdev_path, name,
 		      (dev_type ? "dev_id" : "dev_port"));
 
 		file = fopen(path, "rb");
@@ -222,7 +224,9 @@  struct ethtool_link_settings {
 	struct mlx5_priv *priv = dev->data->dev_private;
 	unsigned int ifindex =
 		priv->nl_socket_rdma >= 0 ?
-		mlx5_nl_ifindex(priv->nl_socket_rdma, priv->ibdev_name, 1) : 0;
+		mlx5_nl_ifindex(priv->nl_socket_rdma,
+				priv->sh->ibdev_name,
+				priv->ibv_port) : 0;
 
 	if (!ifindex) {
 		if (!priv->representor)
diff --git a/drivers/net/mlx5/mlx5_stats.c b/drivers/net/mlx5/mlx5_stats.c
index 6906dc8..5af199d 100644
--- a/drivers/net/mlx5/mlx5_stats.c
+++ b/drivers/net/mlx5/mlx5_stats.c
@@ -140,18 +140,22 @@ 
 mlx5_read_ib_stat(struct mlx5_priv *priv, const char *ctr_name, uint64_t *stat)
 {
 	FILE *file;
-	MKSTR(path, "%s/ports/1/hw_counters/%s",
-		  priv->ibdev_path,
-		  ctr_name);
+	if (priv->sh) {
+		MKSTR(path, "%s/ports/%d/hw_counters/%s",
+			  priv->sh->ibdev_path,
+			  priv->ibv_port,
+			  ctr_name);
 
-	file = fopen(path, "rb");
-	if (file) {
-		int n = fscanf(file, "%" SCNu64, stat);
+		file = fopen(path, "rb");
+		if (file) {
+			int n = fscanf(file, "%" SCNu64, stat);
 
-		fclose(file);
-		if (n != 1)
-			stat = 0;
+			fclose(file);
+			if (n == 1)
+				return;
+		}
 	}
+	*stat = 0;
 }
 
 /**