| Message ID | 1430390803-17959-1-git-send-email-vladz@cloudius-systems.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | stephen hemminger |
| Headers | show |
On Thu, 30 Apr 2015 13:46:43 +0300 Vlad Zolotarov <vladz@cloudius-systems.com> wrote: > Add a new option to toggle the ability of querying the RSS configuration of a specific VF. > > VF RSS information like RSS hash key may be considered sensitive on some devices where > this information is shared between VF and PF and thus its querying may be prohibited by default. > > This new option allows a system administrator with privileges to modify a PF state > to control if the above VF querying is allowed or not. > > For example: > To enable RSS querying of VF[0] of ethX: > >> ip link set dev ethX vf 0 query_rss on > > Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com> Applied -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 3d0d613..fda8153 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -498,6 +498,11 @@ struct ifla_vf_spoofchk { __u32 setting; }; +struct ifla_vf_rss_query_en { + __u32 vf; + __u32 setting; +}; + enum { IFLA_VF_LINK_STATE_AUTO, /* link state of the uplink */ IFLA_VF_LINK_STATE_ENABLE, /* link always up */ diff --git a/ip/iplink.c b/ip/iplink.c index e6f30e9..708f2ca 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -80,6 +80,7 @@ void iplink_usage(void) fprintf(stderr, " [ rate TXRATE ] ] \n"); fprintf(stderr, " [ spoofchk { on | off} ] ] \n"); + fprintf(stderr, " [ query_rss { on | off} ] ] \n"); fprintf(stderr, " [ state { auto | enable | disable} ] ]\n"); fprintf(stderr, " [ master DEVICE ]\n"); fprintf(stderr, " [ nomaster ]\n"); @@ -331,6 +332,18 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp, ivs.vf = vf; addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs)); + } else if (matches(*argv, "query_rss") == 0) { + struct ifla_vf_rss_query_en ivs; + NEXT_ARG(); + if (matches(*argv, "on") == 0) + ivs.setting = 1; + else if (matches(*argv, "off") == 0) + ivs.setting = 0; + else + invarg("Invalid \"query_rss\" value\n", *argv); + ivs.vf = vf; + addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN, &ivs, sizeof(ivs)); + } else if (matches(*argv, "state") == 0) { struct ifla_vf_link_state ivl; NEXT_ARG();