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 | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/libibverbs/examples/devinfo.c b/libibverbs/examples/devinfo.c index bf53eac..bbaed8c 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 +185,15 @@ 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; + } + 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 +202,8 @@ 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