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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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8b46168ca7
The csum flag of IPsec packet are set repeatedly. Therefore, the csum
flag set of IPsec and non-IPsec packet need to be distinguished.
As the ipv6 header does not have a csum field, so l3-csum flag is not
required to be set for ipv6 case.
Fixes: 436396f26d ("nfp: support IPsec offloading for NFP3800")
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
22 lines
486 B
C
22 lines
486 B
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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/* Copyright (C) 2023 Corigine, Inc */
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#include <net/xfrm.h>
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#include "../nfp_net.h"
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#include "nfdk.h"
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u64 nfp_nfdk_ipsec_tx(u64 flags, struct sk_buff *skb)
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{
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struct xfrm_state *x = xfrm_input_state(skb);
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struct iphdr *iph = ip_hdr(skb);
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if (x->xso.dev && (x->xso.dev->features & NETIF_F_HW_ESP_TX_CSUM)) {
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if (iph->version == 4)
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flags |= NFDK_DESC_TX_L3_CSUM;
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flags |= NFDK_DESC_TX_L4_CSUM;
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}
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return flags;
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}
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