AF_XDP
#define PF_XDP AF_XDP
if (sxdp->sxdp_family != AF_XDP)
msg->xdiag_family = AF_XDP;
.family = AF_XDP,
MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, AF_XDP);
#define PF_XDP AF_XDP
umem->fd = socket(AF_XDP, SOCK_RAW | SOCK_CLOEXEC, 0);
#ifndef AF_XDP
#define PF_XDP AF_XDP
xsk->fd = socket(AF_XDP, SOCK_RAW | SOCK_CLOEXEC, 0);
#ifndef AF_XDP
#define PF_XDP AF_XDP
sock_fd = socket(AF_XDP, SOCK_RAW, 0);
sxdp.sxdp_family = AF_XDP;