change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/net/ipv6/addrconf_core.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * IPv6 library code, needed by static components when full IPv6 support is
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  * not configured or static.
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@@ -5,6 +6,7 @@
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 #include <linux/export.h>
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 #include <net/ipv6.h>
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+#include <net/ipv6_stubs.h>
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 #include <net/addrconf.h>
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 #include <net/ip.h>
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..
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@@ -135,47 +137,78 @@
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 	return ERR_PTR(-EAFNOSUPPORT);
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 }
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+static int eafnosupport_ipv6_route_input(struct sk_buff *skb)
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+{
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+	return -EAFNOSUPPORT;
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+}
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+
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 static struct fib6_table *eafnosupport_fib6_get_table(struct net *net, u32 id)
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 {
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 	return NULL;
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 }
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-static struct fib6_info *
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+static int
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 eafnosupport_fib6_table_lookup(struct net *net, struct fib6_table *table,
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-			       int oif, struct flowi6 *fl6, int flags)
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+			       int oif, struct flowi6 *fl6,
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+			       struct fib6_result *res, int flags)
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 {
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-	return NULL;
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+	return -EAFNOSUPPORT;
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 }
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-static struct fib6_info *
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+static int
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 eafnosupport_fib6_lookup(struct net *net, int oif, struct flowi6 *fl6,
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-			 int flags)
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+			 struct fib6_result *res, int flags)
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 {
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-	return NULL;
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+	return -EAFNOSUPPORT;
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 }
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-static struct fib6_info *
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-eafnosupport_fib6_multipath_select(const struct net *net, struct fib6_info *f6i,
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-				   struct flowi6 *fl6, int oif,
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-				   const struct sk_buff *skb, int strict)
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+static void
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+eafnosupport_fib6_select_path(const struct net *net, struct fib6_result *res,
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+			      struct flowi6 *fl6, int oif, bool have_oif_match,
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+			      const struct sk_buff *skb, int strict)
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 {
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-	return f6i;
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 }
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 static u32
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-eafnosupport_ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr,
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-			       struct in6_addr *saddr)
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+eafnosupport_ip6_mtu_from_fib6(const struct fib6_result *res,
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+			       const struct in6_addr *daddr,
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+			       const struct in6_addr *saddr)
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 {
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 	return 0;
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 }
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+static int eafnosupport_fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
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+				     struct fib6_config *cfg, gfp_t gfp_flags,
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+				     struct netlink_ext_ack *extack)
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+{
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+	NL_SET_ERR_MSG(extack, "IPv6 support not enabled in kernel");
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+	return -EAFNOSUPPORT;
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+}
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+
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+static int eafnosupport_ip6_del_rt(struct net *net, struct fib6_info *rt,
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+				   bool skip_notify)
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+{
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+	return -EAFNOSUPPORT;
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+}
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+
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+static int eafnosupport_ipv6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
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+				      int (*output)(struct net *, struct sock *, struct sk_buff *))
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+{
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+	kfree_skb(skb);
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+	return -EAFNOSUPPORT;
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+}
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+
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 const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) {
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 	.ipv6_dst_lookup_flow = eafnosupport_ipv6_dst_lookup_flow,
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+	.ipv6_route_input  = eafnosupport_ipv6_route_input,
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 	.fib6_get_table    = eafnosupport_fib6_get_table,
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 	.fib6_table_lookup = eafnosupport_fib6_table_lookup,
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 	.fib6_lookup       = eafnosupport_fib6_lookup,
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-	.fib6_multipath_select = eafnosupport_fib6_multipath_select,
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+	.fib6_select_path  = eafnosupport_fib6_select_path,
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 	.ip6_mtu_from_fib6 = eafnosupport_ip6_mtu_from_fib6,
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+	.fib6_nh_init	   = eafnosupport_fib6_nh_init,
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+	.ip6_del_rt	   = eafnosupport_ip6_del_rt,
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+	.ipv6_fragment	   = eafnosupport_ipv6_fragment,
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 };
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 EXPORT_SYMBOL_GPL(ipv6_stub);
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