debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/net/ipv4/xfrm4_state.c
..
..
@@ -8,81 +8,12 @@
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  *
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  */
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-#include <net/ip.h>
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 #include <net/xfrm.h>
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-#include <linux/pfkeyv2.h>
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-#include <linux/ipsec.h>
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-#include <linux/netfilter_ipv4.h>
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-#include <linux/export.h>
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-
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-static int xfrm4_init_flags(struct xfrm_state *x)
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-{
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-	if (xs_net(x)->ipv4.sysctl_ip_no_pmtu_disc)
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-		x->props.flags |= XFRM_STATE_NOPMTUDISC;
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-	return 0;
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-}
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-
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-static void
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-__xfrm4_init_tempsel(struct xfrm_selector *sel, const struct flowi *fl)
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-{
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-	const struct flowi4 *fl4 = &fl->u.ip4;
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-
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-	sel->daddr.a4 = fl4->daddr;
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-	sel->saddr.a4 = fl4->saddr;
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-	sel->dport = xfrm_flowi_dport(fl, &fl4->uli);
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-	sel->dport_mask = htons(0xffff);
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-	sel->sport = xfrm_flowi_sport(fl, &fl4->uli);
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-	sel->sport_mask = htons(0xffff);
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-	sel->family = AF_INET;
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-	sel->prefixlen_d = 32;
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-	sel->prefixlen_s = 32;
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-	sel->proto = fl4->flowi4_proto;
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-	sel->ifindex = fl4->flowi4_oif;
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-}
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-
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-static void
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-xfrm4_init_temprop(struct xfrm_state *x, const struct xfrm_tmpl *tmpl,
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-		   const xfrm_address_t *daddr, const xfrm_address_t *saddr)
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-{
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-	x->id = tmpl->id;
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-	if (x->id.daddr.a4 == 0)
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-		x->id.daddr.a4 = daddr->a4;
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-	x->props.saddr = tmpl->saddr;
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-	if (x->props.saddr.a4 == 0)
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-		x->props.saddr.a4 = saddr->a4;
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-	x->props.mode = tmpl->mode;
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-	x->props.reqid = tmpl->reqid;
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-	x->props.family = AF_INET;
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-}
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-
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-int xfrm4_extract_header(struct sk_buff *skb)
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-{
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-	const struct iphdr *iph = ip_hdr(skb);
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-
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-	XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
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-	XFRM_MODE_SKB_CB(skb)->id = iph->id;
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-	XFRM_MODE_SKB_CB(skb)->frag_off = iph->frag_off;
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-	XFRM_MODE_SKB_CB(skb)->tos = iph->tos;
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-	XFRM_MODE_SKB_CB(skb)->ttl = iph->ttl;
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-	XFRM_MODE_SKB_CB(skb)->optlen = iph->ihl * 4 - sizeof(*iph);
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-	memset(XFRM_MODE_SKB_CB(skb)->flow_lbl, 0,
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-	       sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
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-
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-	return 0;
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-}
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 static struct xfrm_state_afinfo xfrm4_state_afinfo = {
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 	.family			= AF_INET,
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 	.proto			= IPPROTO_IPIP,
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-	.eth_proto		= htons(ETH_P_IP),
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-	.owner			= THIS_MODULE,
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-	.init_flags		= xfrm4_init_flags,
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-	.init_tempsel		= __xfrm4_init_tempsel,
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-	.init_temprop		= xfrm4_init_temprop,
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 	.output			= xfrm4_output,
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-	.output_finish		= xfrm4_output_finish,
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-	.extract_input		= xfrm4_extract_input,
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-	.extract_output		= xfrm4_extract_output,
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 	.transport_finish	= xfrm4_transport_finish,
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 	.local_error		= xfrm4_local_error,
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 };