linux-zen-server/drivers/net/ethernet/engleder/tsnep_xdp.c

20 lines
434 B
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2022 Gerhard Engleder <gerhard@engleder-embedded.com> */
#include <linux/if_vlan.h>
#include <net/xdp_sock_drv.h>
#include "tsnep.h"
int tsnep_xdp_setup_prog(struct tsnep_adapter *adapter, struct bpf_prog *prog,
struct netlink_ext_ack *extack)
{
struct bpf_prog *old_prog;
old_prog = xchg(&adapter->xdp_prog, prog);
if (old_prog)
bpf_prog_put(old_prog);
return 0;
}