Hi David,
> -----Original Message-----
> From: David Ahern <dsahern@xxxxxxxxx>
> Sent: Wednesday, May 29, 2019 9:43 PM
> To: Parav Pandit <parav@xxxxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx;
> stephen@xxxxxxxxxxxxxxxxxx; Leon Romanovsky <leonro@xxxxxxxxxxxx>
> Subject: Re: [PATCH iproute2-next 1/4] rdma: Add an option to query,set net
> namespace sharing sys parameter
>
> On 5/21/19 8:22 AM, Parav Pandit wrote:
> > diff --git a/rdma/sys.c b/rdma/sys.c
> > new file mode 100644
> > index 00000000..78e5198f
> > --- /dev/null
> > +++ b/rdma/sys.c
> > @@ -0,0 +1,143 @@
> > +/*
> > + * sys.c RDMA tool
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of the GNU General Public License
> > + * as published by the Free Software Foundation; either version
> > + * 2 of the License, or (at your option) any later version.
> > + */
>
> Please use the SPDX line like the other rdma files.
>
Sure. Yes.
> > +
> > +#include "rdma.h"
> > +
> > +static int sys_help(struct rd *rd)
> > +{
> > + pr_out("Usage: %s system show [ netns ]\n", rd->filename);
> > + pr_out(" %s system set netns { shared | exclusive }\n", rd-
> >filename);
> > + return 0;
> > +}
> > +
> > +static const char *netns_modes_str[] = {
> > + "exclusive",
> > + "shared",
> > +};
> > +
> > +static int sys_show_parse_cb(const struct nlmsghdr *nlh, void *data)
> > +{
> > + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
> > + struct rd *rd = data;
> > +
> > + mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
> > +
> > + if (tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]) {
> > + const char *mode_str;
> > + uint8_t netns_mode;
> > +
> > + netns_mode =
> > +
> mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]);
> > +
> > + if (netns_mode <= ARRAY_SIZE(netns_modes_str))
> > + mode_str = netns_modes_str[netns_mode];
> > + else
> > + mode_str = "unknown";
> > +
> > + if (rd->json_output)
> > + jsonw_string_field(rd->jw, "netns", mode_str);
> > + else
> > + pr_out("netns %s\n", mode_str);
> > + }
> > + return MNL_CB_OK;
> > +}
> > +
> > +static int sys_show_no_args(struct rd *rd) {
> > + uint32_t seq;
> > + int ret;
> > +
> > + rd_prepare_msg(rd, RDMA_NLDEV_CMD_SYS_GET,
> > + &seq, (NLM_F_REQUEST | NLM_F_ACK));
> > + ret = rd_send_msg(rd);
> > + if (ret)
> > + return ret;
> > +
> > + ret = rd_recv_msg(rd, sys_show_parse_cb, rd, seq);
> > + return ret;
>
> since you are fixing the header, why not just
> return rd_recv_msg(rd, sys_show_parse_cb, rd, seq);
>
> like the other functions?
Yep. Changed.
Sending v1.
