On Mon, Apr 1, 2019 at 1:37 AM Leon Romanovsky <l...@kernel.org> wrote:
>
> On Tue, Mar 26, 2019 at 02:18:29PM -0500, Steve Wise wrote:
> > Add new 'link' subcommand 'add' and 'delete' to allow binding a soft-rdma
> > device to a netdev interface.
> >
> > EG:
> >
> > rdma link add rxe_eth0 type rxe netdev eth0
> > rdma link delete rxe_eth0
> >
> > Signed-off-by: Steve Wise <larrystevenw...@gmail.com>
> > ---
> > rdma/link.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> > rdma/rdma.h | 2 ++
> > 2 files changed, 85 insertions(+)
> >
> > diff --git a/rdma/link.c b/rdma/link.c
> > index 89e81b84..982c2b16 100644
> > --- a/rdma/link.c
> > +++ b/rdma/link.c
> > @@ -9,6 +9,9 @@
> > static int link_help(struct rd *rd)
> > {
> > pr_out("Usage: %s link show [DEV/PORT_INDEX]\n", rd->filename);
> > + pr_out("Usage: %s link add NAME type TYPE netdev NETDEV\n",
> > + rd->filename);
> > + pr_out("Usage: %s link delete NAME\n", rd->filename);
> > return 0;
> > }
> >
> > @@ -336,10 +339,90 @@ static int link_show(struct rd *rd)
> > return rd_exec_link(rd, link_one_show, true);
> > }
> >
> > +static int link_add_netdev(struct rd *rd)
> > +{
> > + rd->link_netdev = rd_argv(rd);
> > + rd_arg_inc(rd);
> > + return 0;
> > +}
> > +
> > +static int link_add_type(struct rd *rd)
> > +{
> > + const struct rd_cmd cmds[] = {
> > + { NULL, link_help},
> > + { "netdev", link_add_netdev},
> > + { 0 }
> > + };
> > + rd->link_type = rd_argv(rd);
> > + rd_arg_inc(rd);
> > + return rd_exec_cmd(rd, cmds, "parameter");
> > +}
> > +
> > +static int link_add(struct rd *rd)
> > +{
> > + const struct rd_cmd cmds[] = {
> > + { NULL, link_help},
> > + { "type", link_add_type},
> > + { 0 }
> > + };
> > +
> > + uint32_t seq;
> > + char *name;
> > + int ret;
> > +
> > + if (rd_no_arg(rd)) {
> > + pr_err("Please provide a link name to add.\n");
> > + return -EINVAL;
> > + }
> > + name = rd_argv(rd);
> > + rd_arg_inc(rd);
> > +
> > + ret = rd_exec_cmd(rd, cmds, "parameter");
> > + if (ret)
> > + return ret;
> > +
> > + if (!rd->link_type) {
> > + pr_err("Please provide a link type name.\n");
> > + return -EINVAL;
> > + }
> > + if (!rd->link_netdev) {
> > + pr_err("Please provide a net device name.\n");
> > + return -EINVAL;
> > + }
>
> After a little bit more thinking, the checks above are supposed to be
> part of rd_exec_cmd() execution of chains. E.g if (!rd->link_type) needs
> to be inside link_add_type().
>
Ok. I'll respin and add your reviewed-by tags.
Thanks,
Steve
