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 9 u64 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 } 22