ipsec.c

 1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 2/* Copyright (C) 2023 Corigine, Inc */
 3
 4#include <net/xfrm.h>
 5
 6#include "../nfp_net.h"
 7#include "nfdk.h"
 8
 9u64 nfp_nfdk_ipsec_tx(u64 flags, struct sk_buff *skb)
10{
11	struct xfrm_state *x = xfrm_input_state(skb);
12	struct iphdr *iph = ip_hdr(skb);
13
14	if (x->xso.dev && (x->xso.dev->features & NETIF_F_HW_ESP_TX_CSUM)) {
15		if (iph->version == 4)
16			flags |= NFDK_DESC_TX_L3_CSUM;
17		flags |= NFDK_DESC_TX_L4_CSUM;
18	}
19
20	return flags;
21}