It becomes difficult to make out from the output of ibv_devinfo
if a particular gid index is RoCE v2 or not.
Adding a string to the output of ibv_devinfo -v to display the
gid type at the end of gid.
Signed-off-by: Devesh Sharma <devesh.sharma@xxxxxxxxxxxx>
---
libibverbs/examples/devinfo.c | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/libibverbs/examples/devinfo.c b/libibverbs/examples/devinfo.c
index bf53eac..4094ea0 100644
--- a/libibverbs/examples/devinfo.c
+++ b/libibverbs/examples/devinfo.c
@@ -162,8 +162,18 @@ static const char *vl_str(uint8_t vl_num)
}
}
+static const char *gid_type_str(enum ibv_gid_type type)
+{
+ switch (type) {
+ case 0: return "IB/RoCE v1";
+ case 1: return "RoCE v2";
+ default: return "invalid value";
+ }
+}
+
static int print_all_port_gids(struct ibv_context *ctx, uint8_t port_num, int tbl_len)
{
+ enum ibv_gid_type type;
union ibv_gid gid;
int rc = 0;
int i;
@@ -175,8 +185,17 @@ static int print_all_port_gids(struct ibv_context *ctx, uint8_t port_num, int tb
port_num, i);
return rc;
}
+
+ rc = ibv_query_gid_type(ctx, port_num, i, &type);
+ if (rc) {
+ rc = 0;
+ type = 0x2;
+ fprintf(stderr, "Failed to query gid type to port %d, index %d\n",
+ port_num, i);
+ }
+
if (!null_gid(&gid))
- printf("\t\t\tGID[%3d]:\t\t%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x\n",
+ printf("\t\t\tGID[%3d]:\t\t%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x, %s\n",
i,
gid.raw[ 0], gid.raw[ 1],
gid.raw[ 2], gid.raw[ 3],
@@ -185,7 +204,8 @@ static int print_all_port_gids(struct ibv_context *ctx, uint8_t port_num, int tb
gid.raw[ 8], gid.raw[ 9],
gid.raw[10], gid.raw[11],
gid.raw[12], gid.raw[13],
- gid.raw[14], gid.raw[15]);
+ gid.raw[14], gid.raw[15],
+ gid_type_str(type));
}
return rc;
}
--
1.8.3.1
