Commit a8731cbf authored by Steven Whitehouse's avatar Steven Whitehouse Committed by David S. Miller

[DECNET]: Covert rules to use generic code

This patch converts the DECnet rules code to use the generic
rules system created by Thomas Graf <tgraf@suug.ch>.
Signed-off-by: default avatarSteven Whitehouse <steve@chygwyn.com>
Acked-by: default avatarThomas Graf <tgraf@suug.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8f491069
......@@ -534,7 +534,8 @@ enum rtnetlink_groups {
RTNLGRP_NOP2,
RTNLGRP_DECnet_ROUTE,
#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
RTNLGRP_NOP3,
RTNLGRP_DECnet_RULE,
#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
RTNLGRP_NOP4,
RTNLGRP_IPV6_PREFIX,
#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
......
......@@ -22,7 +22,7 @@ struct dn_kern_rta
};
struct dn_fib_res {
struct dn_fib_rule *r;
struct fib_rule *r;
struct dn_fib_info *fi;
unsigned char prefixlen;
unsigned char nh_sel;
......@@ -147,10 +147,8 @@ extern void dn_fib_table_cleanup(void);
*/
extern void dn_fib_rules_init(void);
extern void dn_fib_rules_cleanup(void);
extern void dn_fib_rule_put(struct dn_fib_rule *);
extern __le16 dn_fib_rules_policy(__le16 saddr, struct dn_fib_res *res, unsigned *flags);
extern unsigned dnet_addr_type(__le16 addr);
extern int dn_fib_lookup(const struct flowi *fl, struct dn_fib_res *res);
extern int dn_fib_lookup(struct flowi *fl, struct dn_fib_res *res);
/*
* rtnetlink interface
......@@ -176,7 +174,7 @@ static inline void dn_fib_res_put(struct dn_fib_res *res)
if (res->fi)
dn_fib_info_put(res->fi);
if (res->r)
dn_fib_rule_put(res->r);
fib_rule_put(res->r);
}
extern struct dn_fib_table *dn_fib_tables[];
......
......@@ -27,6 +27,7 @@ config DECNET
config DECNET_ROUTER
bool "DECnet: router support (EXPERIMENTAL)"
depends on DECNET && EXPERIMENTAL
select FIB_RULES
---help---
Add support for turning your DECnet Endnode into a level 1 or 2
router. This is an experimental, but functional option. If you
......
......@@ -130,6 +130,7 @@ Version 0.0.6 2.1.110 07-aug-98 Eduardo Marcelo Serrat
#include <linux/poll.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_nsp.h>
#include <net/dn_dev.h>
......
......@@ -46,6 +46,7 @@
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_dev.h>
#include <net/dn_route.h>
......@@ -1418,8 +1419,6 @@ static struct rtnetlink_link dnet_rtnetlink_table[RTM_NR_MSGTYPES] =
[RTM_DELROUTE - RTM_BASE] = { .doit = dn_fib_rtm_delroute, },
[RTM_GETROUTE - RTM_BASE] = { .doit = dn_cache_getroute,
.dumpit = dn_fib_dump, },
[RTM_NEWRULE - RTM_BASE] = { .doit = dn_fib_rtm_newrule, },
[RTM_DELRULE - RTM_BASE] = { .doit = dn_fib_rtm_delrule, },
[RTM_GETRULE - RTM_BASE] = { .dumpit = dn_fib_dump_rules, },
#else
[RTM_GETROUTE - RTM_BASE] = { .doit = dn_cache_getroute,
......
......@@ -34,6 +34,7 @@
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_route.h>
#include <net/dn_fib.h>
......
......@@ -80,6 +80,7 @@
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_dev.h>
#include <net/dn_nsp.h>
......@@ -1284,7 +1285,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
dev_hold(out_dev);
if (res.r)
src_map = dn_fib_rules_policy(fl.fld_src, &res, &flags);
src_map = fl.fld_src; /* no NAT support for now */
gateway = DN_FIB_RES_GW(res);
if (res.type == RTN_NAT) {
......
......@@ -11,259 +11,198 @@
*
*
* Changes:
* Steve Whitehouse <steve@chygwyn.com>
* Updated for Thomas Graf's generic rules
*
*/
#include <linux/string.h>
#include <linux/net.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/proc_fs.h>
#include <linux/netdevice.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
#include <linux/in_route.h>
#include <linux/list.h>
#include <linux/rcupdate.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_fib.h>
#include <net/dn_neigh.h>
#include <net/dn_dev.h>
static struct fib_rules_ops dn_fib_rules_ops;
struct dn_fib_rule
{
struct hlist_node r_hlist;
atomic_t r_clntref;
u32 r_preference;
unsigned char r_table;
unsigned char r_action;
unsigned char r_dst_len;
unsigned char r_src_len;
__le16 r_src;
__le16 r_srcmask;
__le16 r_dst;
__le16 r_dstmask;
__le16 r_srcmap;
u8 r_flags;
struct fib_rule common;
unsigned char dst_len;
unsigned char src_len;
__le16 src;
__le16 srcmask;
__le16 dst;
__le16 dstmask;
__le16 srcmap;
u8 flags;
#ifdef CONFIG_DECNET_ROUTE_FWMARK
u32 r_fwmark;
u32 fwmark;
#endif
int r_ifindex;
char r_ifname[IFNAMSIZ];
int r_dead;
struct rcu_head rcu;
};
static struct dn_fib_rule default_rule = {
.r_clntref = ATOMIC_INIT(2),
.r_preference = 0x7fff,
.r_table = RT_TABLE_MAIN,
.r_action = RTN_UNICAST
.common = {
.refcnt = ATOMIC_INIT(2),
.pref = 0x7fff,
.table = RT_TABLE_MAIN,
.action = FR_ACT_TO_TBL,
},
};
static struct hlist_head dn_fib_rules;
static LIST_HEAD(dn_fib_rules);
int dn_fib_rtm_delrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
struct rtattr **rta = arg;
struct rtmsg *rtm = NLMSG_DATA(nlh);
struct dn_fib_rule *r;
struct hlist_node *node;
int err = -ESRCH;
hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
if ((!rta[RTA_SRC-1] || memcmp(RTA_DATA(rta[RTA_SRC-1]), &r->r_src, 2) == 0) &&
rtm->rtm_src_len == r->r_src_len &&
rtm->rtm_dst_len == r->r_dst_len &&
(!rta[RTA_DST-1] || memcmp(RTA_DATA(rta[RTA_DST-1]), &r->r_dst, 2) == 0) &&
#ifdef CONFIG_DECNET_ROUTE_FWMARK
(!rta[RTA_PROTOINFO-1] || memcmp(RTA_DATA(rta[RTA_PROTOINFO-1]), &r->r_fwmark, 4) == 0) &&
#endif
(!rtm->rtm_type || rtm->rtm_type == r->r_action) &&
(!rta[RTA_PRIORITY-1] || memcmp(RTA_DATA(rta[RTA_PRIORITY-1]), &r->r_preference, 4) == 0) &&
(!rta[RTA_IIF-1] || rtattr_strcmp(rta[RTA_IIF-1], r->r_ifname) == 0) &&
(!rtm->rtm_table || (r && rtm->rtm_table == r->r_table))) {
err = -EPERM;
if (r == &default_rule)
break;
int dn_fib_lookup(struct flowi *flp, struct dn_fib_res *res)
{
struct fib_lookup_arg arg = {
.result = res,
};
int err;
hlist_del_rcu(&r->r_hlist);
r->r_dead = 1;
dn_fib_rule_put(r);
err = 0;
break;
}
}
err = fib_rules_lookup(&dn_fib_rules_ops, flp, 0, &arg);
res->r = arg.rule;
return err;
}
static inline void dn_fib_rule_put_rcu(struct rcu_head *head)
int dn_fib_rule_action(struct fib_rule *rule, struct flowi *flp, int flags,
struct fib_lookup_arg *arg)
{
struct dn_fib_rule *r = container_of(head, struct dn_fib_rule, rcu);
kfree(r);
}
int err = -EAGAIN;
struct dn_fib_table *tbl;
void dn_fib_rule_put(struct dn_fib_rule *r)
{
if (atomic_dec_and_test(&r->r_clntref)) {
if (r->r_dead)
call_rcu(&r->rcu, dn_fib_rule_put_rcu);
else
printk(KERN_DEBUG "Attempt to free alive dn_fib_rule\n");
switch(rule->action) {
case FR_ACT_TO_TBL:
break;
case FR_ACT_UNREACHABLE:
err = -ENETUNREACH;
goto errout;
case FR_ACT_PROHIBIT:
err = -EACCES;
goto errout;
case FR_ACT_BLACKHOLE:
default:
err = -EINVAL;
goto errout;
}
tbl = dn_fib_get_table(rule->table, 0);
if (tbl == NULL)
goto errout;
err = tbl->lookup(tbl, flp, (struct dn_fib_res *)arg->result);
if (err > 0)
err = -EAGAIN;
errout:
return err;
}
static struct nla_policy dn_fib_rule_policy[FRA_MAX+1] __read_mostly = {
[FRA_IFNAME] = { .type = NLA_STRING },
[FRA_PRIORITY] = { .type = NLA_U32 },
[FRA_SRC] = { .type = NLA_U16 },
[FRA_DST] = { .type = NLA_U16 },
[FRA_FWMARK] = { .type = NLA_U32 },
};
int dn_fib_rtm_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
static int dn_fib_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
{
struct rtattr **rta = arg;
struct rtmsg *rtm = NLMSG_DATA(nlh);
struct dn_fib_rule *r, *new_r, *last = NULL;
struct hlist_node *node = NULL;
unsigned char table_id;
if (rtm->rtm_src_len > 16 || rtm->rtm_dst_len > 16)
return -EINVAL;
if (rta[RTA_IIF-1] && RTA_PAYLOAD(rta[RTA_IIF-1]) > IFNAMSIZ)
return -EINVAL;
if (rtm->rtm_type == RTN_NAT)
return -EINVAL;
table_id = rtm->rtm_table;
if (table_id == RT_TABLE_UNSPEC) {
struct dn_fib_table *tb;
if (rtm->rtm_type == RTN_UNICAST) {
if ((tb = dn_fib_empty_table()) == NULL)
return -ENOBUFS;
table_id = tb->n;
}
}
struct dn_fib_rule *r = (struct dn_fib_rule *)rule;
u16 daddr = fl->fld_dst;
u16 saddr = fl->fld_src;
if (((saddr ^ r->src) & r->srcmask) ||
((daddr ^ r->dst) & r->dstmask))
return 0;
new_r = kzalloc(sizeof(*new_r), GFP_KERNEL);
if (!new_r)
return -ENOMEM;
if (rta[RTA_SRC-1])
memcpy(&new_r->r_src, RTA_DATA(rta[RTA_SRC-1]), 2);
if (rta[RTA_DST-1])
memcpy(&new_r->r_dst, RTA_DATA(rta[RTA_DST-1]), 2);
if (rta[RTA_GATEWAY-1])
memcpy(&new_r->r_srcmap, RTA_DATA(rta[RTA_GATEWAY-1]), 2);
new_r->r_src_len = rtm->rtm_src_len;
new_r->r_dst_len = rtm->rtm_dst_len;
new_r->r_srcmask = dnet_make_mask(rtm->rtm_src_len);
new_r->r_dstmask = dnet_make_mask(rtm->rtm_dst_len);
#ifdef CONFIG_DECNET_ROUTE_FWMARK
if (rta[RTA_PROTOINFO-1])
memcpy(&new_r->r_fwmark, RTA_DATA(rta[RTA_PROTOINFO-1]), 4);
if (r->fwmark && (r->fwmark != fl->fld_fwmark))
return 0;
#endif
new_r->r_action = rtm->rtm_type;
new_r->r_flags = rtm->rtm_flags;
if (rta[RTA_PRIORITY-1])
memcpy(&new_r->r_preference, RTA_DATA(rta[RTA_PRIORITY-1]), 4);
new_r->r_table = table_id;
if (rta[RTA_IIF-1]) {
struct net_device *dev;
rtattr_strlcpy(new_r->r_ifname, rta[RTA_IIF-1], IFNAMSIZ);
new_r->r_ifindex = -1;
dev = dev_get_by_name(new_r->r_ifname);
if (dev) {
new_r->r_ifindex = dev->ifindex;
dev_put(dev);
}
return 1;
}
static int dn_fib_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
struct nlmsghdr *nlh, struct fib_rule_hdr *frh,
struct nlattr **tb)
{
int err = -EINVAL;
struct dn_fib_rule *r = (struct dn_fib_rule *)rule;
if (frh->src_len > 16 || frh->dst_len > 16 || frh->tos)
goto errout;
if (rule->table == RT_TABLE_UNSPEC) {
if (rule->action == FR_ACT_TO_TBL) {
struct dn_fib_table *table;
table = dn_fib_empty_table();
if (table == NULL) {
err = -ENOBUFS;
goto errout;
}
r = container_of(dn_fib_rules.first, struct dn_fib_rule, r_hlist);
if (!new_r->r_preference) {
if (r && r->r_hlist.next != NULL) {
r = container_of(r->r_hlist.next, struct dn_fib_rule, r_hlist);
if (r->r_preference)
new_r->r_preference = r->r_preference - 1;
rule->table = table->n;
}
}
hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
if (r->r_preference > new_r->r_preference)
break;
last = r;
}
atomic_inc(&new_r->r_clntref);
if (tb[FRA_SRC])
r->src = nla_get_u16(tb[FRA_SRC]);
if (last)
hlist_add_after_rcu(&last->r_hlist, &new_r->r_hlist);
else
hlist_add_before_rcu(&new_r->r_hlist, &r->r_hlist);
return 0;
}
if (tb[FRA_DST])
r->dst = nla_get_u16(tb[FRA_DST]);
#ifdef CONFIG_DECNET_ROUTE_FWMARK
if (tb[FRA_FWMARK])
r->fwmark = nla_get_u32(tb[FRA_FWMARK]);
#endif
r->src_len = frh->src_len;
r->srcmask = dnet_make_mask(r->src_len);
r->dst_len = frh->dst_len;
r->dstmask = dnet_make_mask(r->dst_len);
err = 0;
errout:
return err;
}
int dn_fib_lookup(const struct flowi *flp, struct dn_fib_res *res)
static int dn_fib_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
struct nlattr **tb)
{
struct dn_fib_rule *r, *policy;
struct dn_fib_table *tb;
__le16 saddr = flp->fld_src;
__le16 daddr = flp->fld_dst;
struct hlist_node *node;
int err;
struct dn_fib_rule *r = (struct dn_fib_rule *)rule;
rcu_read_lock();
if (frh->src_len && (r->src_len != frh->src_len))
return 0;
if (frh->dst_len && (r->dst_len != frh->dst_len))
return 0;
hlist_for_each_entry_rcu(r, node, &dn_fib_rules, r_hlist) {
if (((saddr^r->r_src) & r->r_srcmask) ||
((daddr^r->r_dst) & r->r_dstmask) ||
#ifdef CONFIG_DECNET_ROUTE_FWMARK
(r->r_fwmark && r->r_fwmark != flp->fld_fwmark) ||
if (tb[FRA_FWMARK] && (r->fwmark != nla_get_u32(tb[FRA_FWMARK])))
return 0;
#endif
(r->r_ifindex && r->r_ifindex != flp->iif))
continue;
switch(r->r_action) {
case RTN_UNICAST:
case RTN_NAT:
policy = r;
break;
case RTN_UNREACHABLE:
rcu_read_unlock();
return -ENETUNREACH;
default:
case RTN_BLACKHOLE:
rcu_read_unlock();
return -EINVAL;
case RTN_PROHIBIT:
rcu_read_unlock();
return -EACCES;
}
if (tb[FRA_SRC] && (r->src != nla_get_u32(tb[FRA_SRC])))
return 0;
if ((tb = dn_fib_get_table(r->r_table, 0)) == NULL)
continue;
err = tb->lookup(tb, flp, res);
if (err == 0) {
res->r = policy;
if (policy)
atomic_inc(&policy->r_clntref);
rcu_read_unlock();
if (tb[FRA_DST] && (r->dst != nla_get_u32(tb[FRA_DST])))
return 0;
}
if (err < 0 && err != -EAGAIN) {
rcu_read_unlock();
return err;
}
}
rcu_read_unlock();
return -ESRCH;
return 1;
}
unsigned dnet_addr_type(__le16 addr)
......@@ -284,142 +223,77 @@ unsigned dnet_addr_type(__le16 addr)
return ret;
}
__le16 dn_fib_rules_policy(__le16 saddr, struct dn_fib_res *res, unsigned *flags)
static int dn_fib_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
struct nlmsghdr *nlh, struct fib_rule_hdr *frh)
{
struct dn_fib_rule *r = res->r;
struct dn_fib_rule *r = (struct dn_fib_rule *)rule;
if (r->r_action == RTN_NAT) {
int addrtype = dnet_addr_type(r->r_srcmap);
frh->family = AF_DECnet;
frh->dst_len = r->dst_len;
frh->src_len = r->src_len;
frh->tos = 0;
if (addrtype == RTN_NAT) {
saddr = (saddr&~r->r_srcmask)|r->r_srcmap;
*flags |= RTCF_SNAT;
} else if (addrtype == RTN_LOCAL || r->r_srcmap == 0) {
saddr = r->r_srcmap;
*flags |= RTCF_MASQ;
}
}
return saddr;
}
#ifdef CONFIG_DECNET_ROUTE_FWMARK
if (r->fwmark)
NLA_PUT_U32(skb, FRA_FWMARK, r->fwmark);
#endif
if (r->dst_len)
NLA_PUT_U16(skb, FRA_DST, r->dst);
if (r->src_len)
NLA_PUT_U16(skb, FRA_SRC, r->src);
static void dn_fib_rules_detach(struct net_device *dev)
{
struct hlist_node *node;
struct dn_fib_rule *r;
return 0;
hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
if (r->r_ifindex == dev->ifindex)
r->r_ifindex = -1;
}
nla_put_failure:
return -ENOBUFS;
}
static void dn_fib_rules_attach(struct net_device *dev)
static u32 dn_fib_rule_default_pref(void)
{
struct hlist_node *node;
struct dn_fib_rule *r;
hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
if (r->r_ifindex == -1 && strcmp(dev->name, r->r_ifname) == 0)
r->r_ifindex = dev->ifindex;
struct list_head *pos;
struct fib_rule *rule;
if (!list_empty(&dn_fib_rules)) {
pos = dn_fib_rules.next;
if (pos->next != &dn_fib_rules) {
rule = list_entry(pos->next, struct fib_rule, list);
if (rule->pref)
return rule->pref - 1;
}
}
static int dn_fib_rules_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
switch(event) {
case NETDEV_UNREGISTER:
dn_fib_rules_detach(dev);
dn_fib_sync_down(0, dev, 1);
case NETDEV_REGISTER:
dn_fib_rules_attach(dev);
dn_fib_sync_up(dev);
}
return NOTIFY_DONE;
}
static struct notifier_block dn_fib_rules_notifier = {
.notifier_call = dn_fib_rules_event,
};
static int dn_fib_fill_rule(struct sk_buff *skb, struct dn_fib_rule *r,
struct netlink_callback *cb, unsigned int flags)
{
struct rtmsg *rtm;
struct nlmsghdr *nlh;
unsigned char *b = skb->tail;
nlh = NLMSG_NEW_ANSWER(skb, cb, RTM_NEWRULE, sizeof(*rtm), flags);
rtm = NLMSG_DATA(nlh);
rtm->rtm_family = AF_DECnet;
rtm->rtm_dst_len = r->r_dst_len;
rtm->rtm_src_len = r->r_src_len;
rtm->rtm_tos = 0;
#ifdef CONFIG_DECNET_ROUTE_FWMARK
if (r->r_fwmark)
RTA_PUT(skb, RTA_PROTOINFO, 4, &r->r_fwmark);
#endif
rtm->rtm_table = r->r_table;
rtm->rtm_protocol = 0;
rtm->rtm_scope = 0;
rtm->rtm_type = r->r_action;
rtm->rtm_flags = r->r_flags;
if (r->r_dst_len)
RTA_PUT(skb, RTA_DST, 2, &r->r_dst);
if (r->r_src_len)
RTA_PUT(skb, RTA_SRC, 2, &r->r_src);
if (r->r_ifname[0])
RTA_PUT(skb, RTA_IIF, IFNAMSIZ, &r->r_ifname);
if (r->r_preference)
RTA_PUT(skb, RTA_PRIORITY, 4, &r->r_preference);
if (r->r_srcmap)
RTA_PUT(skb, RTA_GATEWAY, 2, &r->r_srcmap);
nlh->nlmsg_len = skb->tail - b;
return skb->len;
nlmsg_failure:
rtattr_failure:
skb_trim(skb, b - skb->data);
return -1;
return 0;
}
int dn_fib_dump_rules(struct sk_buff *skb, struct netlink_callback *cb)
{
int idx = 0;
int s_idx = cb->args[0];
struct dn_fib_rule *r;
struct hlist_node *node;
rcu_read_lock();
hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
if (idx < s_idx)
goto next;
if (dn_fib_fill_rule(skb, r, cb, NLM_F_MULTI) < 0)
break;
next:
idx++;
}
rcu_read_unlock();
cb->args[0] = idx;
return skb->len;
return fib_rules_dump(skb, cb, AF_DECnet);
}
static struct fib_rules_ops dn_fib_rules_ops = {
.family = AF_DECnet,
.rule_size = sizeof(struct dn_fib_rule),
.action = dn_fib_rule_action,
.match = dn_fib_rule_match,
.configure = dn_fib_rule_configure,
.compare = dn_fib_rule_compare,
.fill = dn_fib_rule_fill,
.default_pref = dn_fib_rule_default_pref,
.nlgroup = RTNLGRP_DECnet_RULE,
.policy = dn_fib_rule_policy,
.rules_list = &dn_fib_rules,
.owner = THIS_MODULE,
};
void __init dn_fib_rules_init(void)
{
INIT_HLIST_HEAD(&dn_fib_rules);
hlist_add_head(&default_rule.r_hlist, &dn_fib_rules);
register_netdevice_notifier(&dn_fib_rules_notifier);
list_add_tail(&default_rule.common.list, &dn_fib_rules);
fib_rules_register(&dn_fib_rules_ops);
}
void __exit dn_fib_rules_cleanup(void)
{
unregister_netdevice_notifier(&dn_fib_rules_notifier);
fib_rules_unregister(&dn_fib_rules_ops);
}
......@@ -30,6 +30,7 @@
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_route.h>
#include <net/dn_fib.h>
......
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