Re: [iproute2-next v2 4/4] vdpa: Enable user to set mtu of the vdpa device
From: David Ahern <hidden>
Date: 2021-12-18 20:53:07
Also in:
netdev
On 12/17/21 1:08 AM, Parav Pandit wrote:
quoted hunk ↗ jump to hunk
@@ -204,6 +217,8 @@ static void vdpa_opts_put(struct nlmsghdr *nlh, struct vdpa *vdpa) if (opts->present & VDPA_OPT_VDEV_MAC) mnl_attr_put(nlh, VDPA_ATTR_DEV_NET_CFG_MACADDR, sizeof(opts->mac), opts->mac); + if (opts->present & VDPA_OPT_VDEV_MTU) + mnl_attr_put_u16(nlh, VDPA_ATTR_DEV_NET_CFG_MTU, opts->mtu);
Why limit the MTU to a u16? Eric for example is working on "Big TCP" where IPv6 can work with Jumbograms where mtu can be > 64k. https://datatracker.ietf.org/doc/html/rfc2675 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization