On Mon, Feb 3, 2020 at 11:23 PM Jason Gunthorpe <jgg@xxxxxxxxxxxx> wrote: > > On Mon, Feb 03, 2020 at 12:52:04PM -0500, Devesh Sharma wrote: > > 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. > > > > The output would look something like below: > > $ ibv_devinfo -v -d bnxt_re2 > > hca_id: bnxt_re2 > > transport: InfiniBand (0) > > fw_ver: 216.0.220.0 > > node_guid: b226:28ff:fed3:b0f0 > > sys_image_guid: b226:28ff:fed3:b0f0 > > . > > . > > . > > . > > phys_state: LINK_UP (5) > > GID[ 0]: fe80::b226:28ff:fed3:b0f0, IB/RoCE v1 > > GID[ 1]: fe80::b226:28ff:fed3:b0f0, RoCE v2 > > GID[ 2]: ::ffff:192.170.1.101, IB/RoCE v1 > > GID[ 3]: ::ffff:192.170.1.101, RoCE v2 > > v1 GIDs are GIDs and should never be formed as IPv6 addreses.. So, V1 gids would fall back to old style of display and there will be one more check for gid-type inside the loop... > > Jason
