decnet: Convert to use flowidn where applicable.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
		
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				commit
				
					
						bef55aebd5
					
				
			
		
					 10 changed files with 196 additions and 185 deletions
				
			
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						 | 
				
			
			@ -192,10 +192,10 @@ static inline void dn_dn2eth(unsigned char *ethaddr, __le16 addr)
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	ethaddr[5] = (__u8)(a >> 8);
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}
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static inline void dn_sk_ports_copy(struct flowi *fl, struct dn_scp *scp)
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static inline void dn_sk_ports_copy(struct flowidn *fld, struct dn_scp *scp)
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{
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	fl->u.dn.uli.ports.sport = scp->addrloc;
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	fl->u.dn.uli.ports.dport = scp->addrrem;
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	fld->fld_sport = scp->addrloc;
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	fld->fld_dport = scp->addrrem;
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}
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extern unsigned dn_mss_from_pmtu(struct net_device *dev, int mtu);
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			@ -98,7 +98,7 @@ struct dn_fib_table {
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	int (*delete)(struct dn_fib_table *t, struct rtmsg *r,
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			struct dn_kern_rta *rta, struct nlmsghdr *n,
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			struct netlink_skb_parms *req);
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	int (*lookup)(struct dn_fib_table *t, const struct flowi *fl,
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	int (*lookup)(struct dn_fib_table *t, const struct flowidn *fld,
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			struct dn_fib_res *res);
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	int (*flush)(struct dn_fib_table *t);
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	int (*dump)(struct dn_fib_table *t, struct sk_buff *skb, struct netlink_callback *cb);
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			@ -119,12 +119,12 @@ extern struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r,
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				struct dn_kern_rta *rta, 
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				const struct nlmsghdr *nlh, int *errp);
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extern int dn_fib_semantic_match(int type, struct dn_fib_info *fi, 
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			const struct flowi *fl,
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			const struct flowidn *fld,
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			struct dn_fib_res *res);
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extern void dn_fib_release_info(struct dn_fib_info *fi);
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extern __le16 dn_fib_get_attr16(struct rtattr *attr, int attrlen, int type);
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extern void dn_fib_flush(void);
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extern void dn_fib_select_multipath(const struct flowi *fl,
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extern void dn_fib_select_multipath(const struct flowidn *fld,
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					struct dn_fib_res *res);
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/*
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			@ -141,7 +141,7 @@ extern void dn_fib_table_cleanup(void);
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extern void dn_fib_rules_init(void);
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extern void dn_fib_rules_cleanup(void);
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extern unsigned dnet_addr_type(__le16 addr);
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extern int dn_fib_lookup(struct flowi *fl, struct dn_fib_res *res);
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extern int dn_fib_lookup(struct flowidn *fld, struct dn_fib_res *res);
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extern int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb);
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			@ -16,7 +16,7 @@
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*******************************************************************************/
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extern struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri);
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extern int dn_route_output_sock(struct dst_entry **pprt, struct flowi *, struct sock *sk, int flags);
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extern int dn_route_output_sock(struct dst_entry **pprt, struct flowidn *, struct sock *sk, int flags);
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extern int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb);
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extern void dn_rt_cache_flush(int delay);
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			@ -67,7 +67,7 @@ extern void dn_rt_cache_flush(int delay);
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struct dn_route {
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	struct dst_entry dst;
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	struct flowi fl;
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	struct flowidn fld;
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	__le16 rt_saddr;
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	__le16 rt_daddr;
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			@ -82,12 +82,12 @@ struct dn_route {
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static inline bool dn_is_input_route(struct dn_route *rt)
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{
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	return rt->fl.flowi_iif != 0;
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	return rt->fld.flowidn_iif != 0;
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}
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static inline bool dn_is_output_route(struct dn_route *rt)
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{
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	return rt->fl.flowi_iif == 0;
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	return rt->fld.flowidn_iif == 0;
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}
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extern void dn_route_init(void);
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			@ -95,9 +95,17 @@ struct flowi6 {
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struct flowidn {
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	struct flowi_common	__fl_common;
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#define flowidn_oif		__fl_common.flowic_oif
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#define flowidn_iif		__fl_common.flowic_iif
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#define flowidn_mark		__fl_common.flowic_mark
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#define flowidn_scope		__fl_common.flowic_scope
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#define flowidn_proto		__fl_common.flowic_proto
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#define flowidn_flags		__fl_common.flowic_flags
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	__le16			daddr;
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	__le16			saddr;
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	union flowi_uli		uli;
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#define fld_sport		uli.ports.sport
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#define fld_dport		uli.ports.dport
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};
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struct flowi {
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			@ -115,10 +123,6 @@ struct flowi {
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#define flowi_proto	u.__fl_common.flowic_proto
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#define flowi_flags	u.__fl_common.flowic_flags
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#define flowi_secid	u.__fl_common.flowic_secid
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#define fld_scope	flowi_scope
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#define fld_dst		u.dn.daddr
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#define fld_src		u.dn.saddr
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} __attribute__((__aligned__(BITS_PER_LONG/8)));
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static inline struct flowi *flowi4_to_flowi(struct flowi4 *fl4)
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			@ -908,7 +908,7 @@ static int __dn_connect(struct sock *sk, struct sockaddr_dn *addr, int addrlen,
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	struct socket *sock = sk->sk_socket;
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	struct dn_scp *scp = DN_SK(sk);
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	int err = -EISCONN;
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	struct flowi fl;
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	struct flowidn fld;
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	if (sock->state == SS_CONNECTED)
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		goto out;
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			@ -947,13 +947,13 @@ static int __dn_connect(struct sock *sk, struct sockaddr_dn *addr, int addrlen,
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	memcpy(&scp->peer, addr, sizeof(struct sockaddr_dn));
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	err = -EHOSTUNREACH;
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	memset(&fl, 0, sizeof(fl));
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	fl.flowi_oif = sk->sk_bound_dev_if;
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	fl.fld_dst = dn_saddr2dn(&scp->peer);
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	fl.fld_src = dn_saddr2dn(&scp->addr);
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	dn_sk_ports_copy(&fl, scp);
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	fl.flowi_proto = DNPROTO_NSP;
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	if (dn_route_output_sock(&sk->sk_dst_cache, &fl, sk, flags) < 0)
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	memset(&fld, 0, sizeof(fld));
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	fld.flowidn_oif = sk->sk_bound_dev_if;
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	fld.daddr = dn_saddr2dn(&scp->peer);
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	fld.saddr = dn_saddr2dn(&scp->addr);
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	dn_sk_ports_copy(&fld, scp);
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	fld.flowidn_proto = DNPROTO_NSP;
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	if (dn_route_output_sock(&sk->sk_dst_cache, &fld, sk, flags) < 0)
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		goto out;
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	sk->sk_route_caps = sk->sk_dst_cache->dev->features;
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	sock->state = SS_CONNECTING;
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			@ -201,7 +201,7 @@ static int dn_fib_check_nh(const struct rtmsg *r, struct dn_fib_info *fi, struct
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	int err;
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	if (nh->nh_gw) {
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		struct flowi fl;
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		struct flowidn fld;
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		struct dn_fib_res res;
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		if (nh->nh_flags&RTNH_F_ONLINK) {
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			@ -221,15 +221,15 @@ static int dn_fib_check_nh(const struct rtmsg *r, struct dn_fib_info *fi, struct
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			return 0;
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		}
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		memset(&fl, 0, sizeof(fl));
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		fl.fld_dst = nh->nh_gw;
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		fl.flowi_oif = nh->nh_oif;
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		fl.fld_scope = r->rtm_scope + 1;
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		memset(&fld, 0, sizeof(fld));
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		fld.daddr = nh->nh_gw;
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		fld.flowidn_oif = nh->nh_oif;
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		fld.flowidn_scope = r->rtm_scope + 1;
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		if (fl.fld_scope < RT_SCOPE_LINK)
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			fl.fld_scope = RT_SCOPE_LINK;
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		if (fld.flowidn_scope < RT_SCOPE_LINK)
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			fld.flowidn_scope = RT_SCOPE_LINK;
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		if ((err = dn_fib_lookup(&fl, &res)) != 0)
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		if ((err = dn_fib_lookup(&fld, &res)) != 0)
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			return err;
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		err = -EINVAL;
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			@ -404,7 +404,7 @@ failure:
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	return NULL;
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}
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int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowi *fl, struct dn_fib_res *res)
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int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn *fld, struct dn_fib_res *res)
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{
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	int err = dn_fib_props[type].error;
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			@ -424,7 +424,8 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowi *
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				for_nexthops(fi) {
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					if (nh->nh_flags & RTNH_F_DEAD)
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						continue;
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					if (!fl->flowi_oif || fl->flowi_oif == nh->nh_oif)
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					if (!fld->flowidn_oif ||
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					    fld->flowidn_oif == nh->nh_oif)
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						break;
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				}
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				if (nhsel < fi->fib_nhs) {
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			@ -445,7 +446,7 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowi *
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	return err;
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}
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void dn_fib_select_multipath(const struct flowi *fl, struct dn_fib_res *res)
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void dn_fib_select_multipath(const struct flowidn *fld, struct dn_fib_res *res)
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{
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	struct dn_fib_info *fi = res->fi;
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	int w;
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			@ -78,7 +78,7 @@ static void dn_nsp_send(struct sk_buff *skb)
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	struct sock *sk = skb->sk;
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	struct dn_scp *scp = DN_SK(sk);
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	struct dst_entry *dst;
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	struct flowi fl;
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	struct flowidn fld;
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	skb_reset_transport_header(skb);
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	scp->stamp = jiffies;
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			@ -91,13 +91,13 @@ try_again:
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		return;
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	}
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	memset(&fl, 0, sizeof(fl));
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	fl.flowi_oif = sk->sk_bound_dev_if;
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	fl.fld_src = dn_saddr2dn(&scp->addr);
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	fl.fld_dst = dn_saddr2dn(&scp->peer);
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	dn_sk_ports_copy(&fl, scp);
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	fl.flowi_proto = DNPROTO_NSP;
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	if (dn_route_output_sock(&sk->sk_dst_cache, &fl, sk, 0) == 0) {
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	memset(&fld, 0, sizeof(fld));
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	fld.flowidn_oif = sk->sk_bound_dev_if;
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	fld.saddr = dn_saddr2dn(&scp->addr);
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	fld.daddr = dn_saddr2dn(&scp->peer);
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	dn_sk_ports_copy(&fld, scp);
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	fld.flowidn_proto = DNPROTO_NSP;
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	if (dn_route_output_sock(&sk->sk_dst_cache, &fld, sk, 0) == 0) {
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		dst = sk_dst_get(sk);
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		sk->sk_route_caps = dst->dev->features;
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		goto try_again;
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			@ -282,14 +282,14 @@ static void dn_dst_link_failure(struct sk_buff *skb)
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{
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}
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static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
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static inline int compare_keys(struct flowidn *fl1, struct flowidn *fl2)
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{
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	return ((fl1->fld_dst ^ fl2->fld_dst) |
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		(fl1->fld_src ^ fl2->fld_src) |
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		(fl1->flowi_mark ^ fl2->flowi_mark) |
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		(fl1->fld_scope ^ fl2->fld_scope) |
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		(fl1->flowi_oif ^ fl2->flowi_oif) |
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		(fl1->flowi_iif ^ fl2->flowi_iif)) == 0;
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	return ((fl1->daddr ^ fl2->daddr) |
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		(fl1->saddr ^ fl2->saddr) |
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		(fl1->flowidn_mark ^ fl2->flowidn_mark) |
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		(fl1->flowidn_scope ^ fl2->flowidn_scope) |
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		(fl1->flowidn_oif ^ fl2->flowidn_oif) |
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		(fl1->flowidn_iif ^ fl2->flowidn_iif)) == 0;
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}
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static int dn_insert_route(struct dn_route *rt, unsigned hash, struct dn_route **rp)
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			@ -303,7 +303,7 @@ static int dn_insert_route(struct dn_route *rt, unsigned hash, struct dn_route *
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	spin_lock_bh(&dn_rt_hash_table[hash].lock);
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	while ((rth = rcu_dereference_protected(*rthp,
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						lockdep_is_held(&dn_rt_hash_table[hash].lock))) != NULL) {
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		if (compare_keys(&rth->fl, &rt->fl)) {
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		if (compare_keys(&rth->fld, &rt->fld)) {
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			/* Put it first */
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			*rthp = rth->dst.dn_next;
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			rcu_assign_pointer(rth->dst.dn_next,
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			@ -903,15 +903,15 @@ static inline __le16 dn_fib_rules_map_destination(__le16 daddr, struct dn_fib_re
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	return (daddr&~mask)|res->fi->fib_nh->nh_gw;
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}
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static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *oldflp, int try_hard)
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static int dn_route_output_slow(struct dst_entry **pprt, const struct flowidn *oldflp, int try_hard)
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{
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	struct flowi fl = {
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		.fld_dst = oldflp->fld_dst,
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		.fld_src = oldflp->fld_src,
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		.fld_scope = RT_SCOPE_UNIVERSE,
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		.flowi_mark = oldflp->flowi_mark,
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		.flowi_iif = init_net.loopback_dev->ifindex,
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		.flowi_oif = oldflp->flowi_oif,
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	struct flowidn fld = {
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		.daddr = oldflp->daddr,
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		.saddr = oldflp->saddr,
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		.flowidn_scope = RT_SCOPE_UNIVERSE,
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		.flowidn_mark = oldflp->flowidn_mark,
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		.flowidn_iif = init_net.loopback_dev->ifindex,
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		.flowidn_oif = oldflp->flowidn_oif,
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	};
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	struct dn_route *rt = NULL;
 | 
			
		||||
	struct net_device *dev_out = NULL, *dev;
 | 
			
		||||
| 
						 | 
				
			
			@ -926,13 +926,14 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 | 
			
		|||
	if (decnet_debug_level & 16)
 | 
			
		||||
		printk(KERN_DEBUG
 | 
			
		||||
		       "dn_route_output_slow: dst=%04x src=%04x mark=%d"
 | 
			
		||||
		       " iif=%d oif=%d\n", le16_to_cpu(oldflp->fld_dst),
 | 
			
		||||
		       le16_to_cpu(oldflp->fld_src),
 | 
			
		||||
		       oldflp->flowi_mark, init_net.loopback_dev->ifindex, oldflp->flowi_oif);
 | 
			
		||||
		       " iif=%d oif=%d\n", le16_to_cpu(oldflp->daddr),
 | 
			
		||||
		       le16_to_cpu(oldflp->saddr),
 | 
			
		||||
		       oldflp->flowidn_mark, init_net.loopback_dev->ifindex,
 | 
			
		||||
		       oldflp->flowidn_oif);
 | 
			
		||||
 | 
			
		||||
	/* If we have an output interface, verify its a DECnet device */
 | 
			
		||||
	if (oldflp->flowi_oif) {
 | 
			
		||||
		dev_out = dev_get_by_index(&init_net, oldflp->flowi_oif);
 | 
			
		||||
	if (oldflp->flowidn_oif) {
 | 
			
		||||
		dev_out = dev_get_by_index(&init_net, oldflp->flowidn_oif);
 | 
			
		||||
		err = -ENODEV;
 | 
			
		||||
		if (dev_out && dev_out->dn_ptr == NULL) {
 | 
			
		||||
			dev_put(dev_out);
 | 
			
		||||
| 
						 | 
				
			
			@ -943,11 +944,11 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	/* If we have a source address, verify that its a local address */
 | 
			
		||||
	if (oldflp->fld_src) {
 | 
			
		||||
	if (oldflp->saddr) {
 | 
			
		||||
		err = -EADDRNOTAVAIL;
 | 
			
		||||
 | 
			
		||||
		if (dev_out) {
 | 
			
		||||
			if (dn_dev_islocal(dev_out, oldflp->fld_src))
 | 
			
		||||
			if (dn_dev_islocal(dev_out, oldflp->saddr))
 | 
			
		||||
				goto source_ok;
 | 
			
		||||
			dev_put(dev_out);
 | 
			
		||||
			goto out;
 | 
			
		||||
| 
						 | 
				
			
			@ -956,11 +957,11 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 | 
			
		|||
		for_each_netdev_rcu(&init_net, dev) {
 | 
			
		||||
			if (!dev->dn_ptr)
 | 
			
		||||
				continue;
 | 
			
		||||
			if (!dn_dev_islocal(dev, oldflp->fld_src))
 | 
			
		||||
			if (!dn_dev_islocal(dev, oldflp->saddr))
 | 
			
		||||
				continue;
 | 
			
		||||
			if ((dev->flags & IFF_LOOPBACK) &&
 | 
			
		||||
			    oldflp->fld_dst &&
 | 
			
		||||
			    !dn_dev_islocal(dev, oldflp->fld_dst))
 | 
			
		||||
			    oldflp->daddr &&
 | 
			
		||||
			    !dn_dev_islocal(dev, oldflp->daddr))
 | 
			
		||||
				continue;
 | 
			
		||||
 | 
			
		||||
			dev_out = dev;
 | 
			
		||||
| 
						 | 
				
			
			@ -975,22 +976,22 @@ source_ok:
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	/* No destination? Assume its local */
 | 
			
		||||
	if (!fl.fld_dst) {
 | 
			
		||||
		fl.fld_dst = fl.fld_src;
 | 
			
		||||
	if (!fld.daddr) {
 | 
			
		||||
		fld.daddr = fld.saddr;
 | 
			
		||||
 | 
			
		||||
		err = -EADDRNOTAVAIL;
 | 
			
		||||
		if (dev_out)
 | 
			
		||||
			dev_put(dev_out);
 | 
			
		||||
		dev_out = init_net.loopback_dev;
 | 
			
		||||
		dev_hold(dev_out);
 | 
			
		||||
		if (!fl.fld_dst) {
 | 
			
		||||
			fl.fld_dst =
 | 
			
		||||
			fl.fld_src = dnet_select_source(dev_out, 0,
 | 
			
		||||
		if (!fld.daddr) {
 | 
			
		||||
			fld.daddr =
 | 
			
		||||
			fld.saddr = dnet_select_source(dev_out, 0,
 | 
			
		||||
						       RT_SCOPE_HOST);
 | 
			
		||||
			if (!fl.fld_dst)
 | 
			
		||||
			if (!fld.daddr)
 | 
			
		||||
				goto out;
 | 
			
		||||
		}
 | 
			
		||||
		fl.flowi_oif = init_net.loopback_dev->ifindex;
 | 
			
		||||
		fld.flowidn_oif = init_net.loopback_dev->ifindex;
 | 
			
		||||
		res.type = RTN_LOCAL;
 | 
			
		||||
		goto make_route;
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -999,8 +1000,8 @@ source_ok:
 | 
			
		|||
		printk(KERN_DEBUG
 | 
			
		||||
		       "dn_route_output_slow: initial checks complete."
 | 
			
		||||
		       " dst=%o4x src=%04x oif=%d try_hard=%d\n",
 | 
			
		||||
		       le16_to_cpu(fl.fld_dst), le16_to_cpu(fl.fld_src),
 | 
			
		||||
		       fl.flowi_oif, try_hard);
 | 
			
		||||
		       le16_to_cpu(fld.daddr), le16_to_cpu(fld.saddr),
 | 
			
		||||
		       fld.flowidn_oif, try_hard);
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
	 * N.B. If the kernel is compiled without router support then
 | 
			
		||||
| 
						 | 
				
			
			@ -1008,7 +1009,7 @@ source_ok:
 | 
			
		|||
	 * will always be executed.
 | 
			
		||||
	 */
 | 
			
		||||
	err = -ESRCH;
 | 
			
		||||
	if (try_hard || (err = dn_fib_lookup(&fl, &res)) != 0) {
 | 
			
		||||
	if (try_hard || (err = dn_fib_lookup(&fld, &res)) != 0) {
 | 
			
		||||
		struct dn_dev *dn_db;
 | 
			
		||||
		if (err != -ESRCH)
 | 
			
		||||
			goto out;
 | 
			
		||||
| 
						 | 
				
			
			@ -1023,19 +1024,19 @@ source_ok:
 | 
			
		|||
		 * here
 | 
			
		||||
		 */
 | 
			
		||||
		if (!try_hard) {
 | 
			
		||||
			neigh = neigh_lookup_nodev(&dn_neigh_table, &init_net, &fl.fld_dst);
 | 
			
		||||
			neigh = neigh_lookup_nodev(&dn_neigh_table, &init_net, &fld.daddr);
 | 
			
		||||
			if (neigh) {
 | 
			
		||||
				if ((oldflp->flowi_oif &&
 | 
			
		||||
				    (neigh->dev->ifindex != oldflp->flowi_oif)) ||
 | 
			
		||||
				    (oldflp->fld_src &&
 | 
			
		||||
				if ((oldflp->flowidn_oif &&
 | 
			
		||||
				    (neigh->dev->ifindex != oldflp->flowidn_oif)) ||
 | 
			
		||||
				    (oldflp->saddr &&
 | 
			
		||||
				    (!dn_dev_islocal(neigh->dev,
 | 
			
		||||
						      oldflp->fld_src)))) {
 | 
			
		||||
						     oldflp->saddr)))) {
 | 
			
		||||
					neigh_release(neigh);
 | 
			
		||||
					neigh = NULL;
 | 
			
		||||
				} else {
 | 
			
		||||
					if (dev_out)
 | 
			
		||||
						dev_put(dev_out);
 | 
			
		||||
					if (dn_dev_islocal(neigh->dev, fl.fld_dst)) {
 | 
			
		||||
					if (dn_dev_islocal(neigh->dev, fld.daddr)) {
 | 
			
		||||
						dev_out = init_net.loopback_dev;
 | 
			
		||||
						res.type = RTN_LOCAL;
 | 
			
		||||
					} else {
 | 
			
		||||
| 
						 | 
				
			
			@ -1055,7 +1056,7 @@ source_ok:
 | 
			
		|||
			goto out;
 | 
			
		||||
		dn_db = rcu_dereference_raw(dev_out->dn_ptr);
 | 
			
		||||
		/* Possible improvement - check all devices for local addr */
 | 
			
		||||
		if (dn_dev_islocal(dev_out, fl.fld_dst)) {
 | 
			
		||||
		if (dn_dev_islocal(dev_out, fld.daddr)) {
 | 
			
		||||
			dev_put(dev_out);
 | 
			
		||||
			dev_out = init_net.loopback_dev;
 | 
			
		||||
			dev_hold(dev_out);
 | 
			
		||||
| 
						 | 
				
			
			@ -1071,16 +1072,16 @@ select_source:
 | 
			
		|||
		if (neigh)
 | 
			
		||||
			gateway = ((struct dn_neigh *)neigh)->addr;
 | 
			
		||||
		if (gateway == 0)
 | 
			
		||||
			gateway = fl.fld_dst;
 | 
			
		||||
		if (fl.fld_src == 0) {
 | 
			
		||||
			fl.fld_src = dnet_select_source(dev_out, gateway,
 | 
			
		||||
							 res.type == RTN_LOCAL ?
 | 
			
		||||
							 RT_SCOPE_HOST :
 | 
			
		||||
							 RT_SCOPE_LINK);
 | 
			
		||||
			if (fl.fld_src == 0 && res.type != RTN_LOCAL)
 | 
			
		||||
			gateway = fld.daddr;
 | 
			
		||||
		if (fld.saddr == 0) {
 | 
			
		||||
			fld.saddr = dnet_select_source(dev_out, gateway,
 | 
			
		||||
						       res.type == RTN_LOCAL ?
 | 
			
		||||
						       RT_SCOPE_HOST :
 | 
			
		||||
						       RT_SCOPE_LINK);
 | 
			
		||||
			if (fld.saddr == 0 && res.type != RTN_LOCAL)
 | 
			
		||||
				goto e_addr;
 | 
			
		||||
		}
 | 
			
		||||
		fl.flowi_oif = dev_out->ifindex;
 | 
			
		||||
		fld.flowidn_oif = dev_out->ifindex;
 | 
			
		||||
		goto make_route;
 | 
			
		||||
	}
 | 
			
		||||
	free_res = 1;
 | 
			
		||||
| 
						 | 
				
			
			@ -1089,35 +1090,35 @@ select_source:
 | 
			
		|||
		goto e_inval;
 | 
			
		||||
 | 
			
		||||
	if (res.type == RTN_LOCAL) {
 | 
			
		||||
		if (!fl.fld_src)
 | 
			
		||||
			fl.fld_src = fl.fld_dst;
 | 
			
		||||
		if (!fld.saddr)
 | 
			
		||||
			fld.saddr = fld.daddr;
 | 
			
		||||
		if (dev_out)
 | 
			
		||||
			dev_put(dev_out);
 | 
			
		||||
		dev_out = init_net.loopback_dev;
 | 
			
		||||
		dev_hold(dev_out);
 | 
			
		||||
		fl.flowi_oif = dev_out->ifindex;
 | 
			
		||||
		fld.flowidn_oif = dev_out->ifindex;
 | 
			
		||||
		if (res.fi)
 | 
			
		||||
			dn_fib_info_put(res.fi);
 | 
			
		||||
		res.fi = NULL;
 | 
			
		||||
		goto make_route;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (res.fi->fib_nhs > 1 && fl.flowi_oif == 0)
 | 
			
		||||
		dn_fib_select_multipath(&fl, &res);
 | 
			
		||||
	if (res.fi->fib_nhs > 1 && fld.flowidn_oif == 0)
 | 
			
		||||
		dn_fib_select_multipath(&fld, &res);
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
	 * We could add some logic to deal with default routes here and
 | 
			
		||||
	 * get rid of some of the special casing above.
 | 
			
		||||
	 */
 | 
			
		||||
 | 
			
		||||
	if (!fl.fld_src)
 | 
			
		||||
		fl.fld_src = DN_FIB_RES_PREFSRC(res);
 | 
			
		||||
	if (!fld.saddr)
 | 
			
		||||
		fld.saddr = DN_FIB_RES_PREFSRC(res);
 | 
			
		||||
 | 
			
		||||
	if (dev_out)
 | 
			
		||||
		dev_put(dev_out);
 | 
			
		||||
	dev_out = DN_FIB_RES_DEV(res);
 | 
			
		||||
	dev_hold(dev_out);
 | 
			
		||||
	fl.flowi_oif = dev_out->ifindex;
 | 
			
		||||
	fld.flowidn_oif = dev_out->ifindex;
 | 
			
		||||
	gateway = DN_FIB_RES_GW(res);
 | 
			
		||||
 | 
			
		||||
make_route:
 | 
			
		||||
| 
						 | 
				
			
			@ -1131,19 +1132,19 @@ make_route:
 | 
			
		|||
	atomic_set(&rt->dst.__refcnt, 1);
 | 
			
		||||
	rt->dst.flags   = DST_HOST;
 | 
			
		||||
 | 
			
		||||
	rt->fl.fld_src    = oldflp->fld_src;
 | 
			
		||||
	rt->fl.fld_dst    = oldflp->fld_dst;
 | 
			
		||||
	rt->fl.flowi_oif     = oldflp->flowi_oif;
 | 
			
		||||
	rt->fl.flowi_iif     = 0;
 | 
			
		||||
	rt->fl.flowi_mark    = oldflp->flowi_mark;
 | 
			
		||||
	rt->fld.saddr        = oldflp->saddr;
 | 
			
		||||
	rt->fld.daddr        = oldflp->daddr;
 | 
			
		||||
	rt->fld.flowidn_oif  = oldflp->flowidn_oif;
 | 
			
		||||
	rt->fld.flowidn_iif  = 0;
 | 
			
		||||
	rt->fld.flowidn_mark = oldflp->flowidn_mark;
 | 
			
		||||
 | 
			
		||||
	rt->rt_saddr      = fl.fld_src;
 | 
			
		||||
	rt->rt_daddr      = fl.fld_dst;
 | 
			
		||||
	rt->rt_gateway    = gateway ? gateway : fl.fld_dst;
 | 
			
		||||
	rt->rt_local_src  = fl.fld_src;
 | 
			
		||||
	rt->rt_saddr      = fld.saddr;
 | 
			
		||||
	rt->rt_daddr      = fld.daddr;
 | 
			
		||||
	rt->rt_gateway    = gateway ? gateway : fld.daddr;
 | 
			
		||||
	rt->rt_local_src  = fld.saddr;
 | 
			
		||||
 | 
			
		||||
	rt->rt_dst_map    = fl.fld_dst;
 | 
			
		||||
	rt->rt_src_map    = fl.fld_src;
 | 
			
		||||
	rt->rt_dst_map    = fld.daddr;
 | 
			
		||||
	rt->rt_src_map    = fld.saddr;
 | 
			
		||||
 | 
			
		||||
	rt->dst.dev = dev_out;
 | 
			
		||||
	dev_hold(dev_out);
 | 
			
		||||
| 
						 | 
				
			
			@ -1161,7 +1162,7 @@ make_route:
 | 
			
		|||
	if (err)
 | 
			
		||||
		goto e_neighbour;
 | 
			
		||||
 | 
			
		||||
	hash = dn_hash(rt->fl.fld_src, rt->fl.fld_dst);
 | 
			
		||||
	hash = dn_hash(rt->fld.saddr, rt->fld.daddr);
 | 
			
		||||
	dn_insert_route(rt, hash, (struct dn_route **)pprt);
 | 
			
		||||
 | 
			
		||||
done:
 | 
			
		||||
| 
						 | 
				
			
			@ -1192,20 +1193,20 @@ e_neighbour:
 | 
			
		|||
/*
 | 
			
		||||
 * N.B. The flags may be moved into the flowi at some future stage.
 | 
			
		||||
 */
 | 
			
		||||
static int __dn_route_output_key(struct dst_entry **pprt, const struct flowi *flp, int flags)
 | 
			
		||||
static int __dn_route_output_key(struct dst_entry **pprt, const struct flowidn *flp, int flags)
 | 
			
		||||
{
 | 
			
		||||
	unsigned hash = dn_hash(flp->fld_src, flp->fld_dst);
 | 
			
		||||
	unsigned hash = dn_hash(flp->saddr, flp->daddr);
 | 
			
		||||
	struct dn_route *rt = NULL;
 | 
			
		||||
 | 
			
		||||
	if (!(flags & MSG_TRYHARD)) {
 | 
			
		||||
		rcu_read_lock_bh();
 | 
			
		||||
		for (rt = rcu_dereference_bh(dn_rt_hash_table[hash].chain); rt;
 | 
			
		||||
			rt = rcu_dereference_bh(rt->dst.dn_next)) {
 | 
			
		||||
			if ((flp->fld_dst == rt->fl.fld_dst) &&
 | 
			
		||||
			    (flp->fld_src == rt->fl.fld_src) &&
 | 
			
		||||
			    (flp->flowi_mark == rt->fl.flowi_mark) &&
 | 
			
		||||
			if ((flp->daddr == rt->fld.daddr) &&
 | 
			
		||||
			    (flp->saddr == rt->fld.saddr) &&
 | 
			
		||||
			    (flp->flowidn_mark == rt->fld.flowidn_mark) &&
 | 
			
		||||
			    dn_is_output_route(rt) &&
 | 
			
		||||
			    (rt->fl.flowi_oif == flp->flowi_oif)) {
 | 
			
		||||
			    (rt->fld.flowidn_oif == flp->flowidn_oif)) {
 | 
			
		||||
				dst_use(&rt->dst, jiffies);
 | 
			
		||||
				rcu_read_unlock_bh();
 | 
			
		||||
				*pprt = &rt->dst;
 | 
			
		||||
| 
						 | 
				
			
			@ -1218,13 +1219,14 @@ static int __dn_route_output_key(struct dst_entry **pprt, const struct flowi *fl
 | 
			
		|||
	return dn_route_output_slow(pprt, flp, flags);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int dn_route_output_key(struct dst_entry **pprt, struct flowi *flp, int flags)
 | 
			
		||||
static int dn_route_output_key(struct dst_entry **pprt, struct flowidn *flp, int flags)
 | 
			
		||||
{
 | 
			
		||||
	int err;
 | 
			
		||||
 | 
			
		||||
	err = __dn_route_output_key(pprt, flp, flags);
 | 
			
		||||
	if (err == 0 && flp->flowi_proto) {
 | 
			
		||||
		*pprt = xfrm_lookup(&init_net, *pprt, flp, NULL, 0);
 | 
			
		||||
	if (err == 0 && flp->flowidn_proto) {
 | 
			
		||||
		*pprt = xfrm_lookup(&init_net, *pprt,
 | 
			
		||||
				    flowidn_to_flowi(flp), NULL, 0);
 | 
			
		||||
		if (IS_ERR(*pprt)) {
 | 
			
		||||
			err = PTR_ERR(*pprt);
 | 
			
		||||
			*pprt = NULL;
 | 
			
		||||
| 
						 | 
				
			
			@ -1233,15 +1235,16 @@ static int dn_route_output_key(struct dst_entry **pprt, struct flowi *flp, int f
 | 
			
		|||
	return err;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int dn_route_output_sock(struct dst_entry **pprt, struct flowi *fl, struct sock *sk, int flags)
 | 
			
		||||
int dn_route_output_sock(struct dst_entry **pprt, struct flowidn *fl, struct sock *sk, int flags)
 | 
			
		||||
{
 | 
			
		||||
	int err;
 | 
			
		||||
 | 
			
		||||
	err = __dn_route_output_key(pprt, fl, flags & MSG_TRYHARD);
 | 
			
		||||
	if (err == 0 && fl->flowi_proto) {
 | 
			
		||||
	if (err == 0 && fl->flowidn_proto) {
 | 
			
		||||
		if (!(flags & MSG_DONTWAIT))
 | 
			
		||||
			fl->flowi_flags |= FLOWI_FLAG_CAN_SLEEP;
 | 
			
		||||
		*pprt = xfrm_lookup(&init_net, *pprt, fl, sk, 0);
 | 
			
		||||
			fl->flowidn_flags |= FLOWI_FLAG_CAN_SLEEP;
 | 
			
		||||
		*pprt = xfrm_lookup(&init_net, *pprt,
 | 
			
		||||
				    flowidn_to_flowi(fl), sk, 0);
 | 
			
		||||
		if (IS_ERR(*pprt)) {
 | 
			
		||||
			err = PTR_ERR(*pprt);
 | 
			
		||||
			*pprt = NULL;
 | 
			
		||||
| 
						 | 
				
			
			@ -1262,12 +1265,12 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
	int flags = 0;
 | 
			
		||||
	__le16 gateway = 0;
 | 
			
		||||
	__le16 local_src = 0;
 | 
			
		||||
	struct flowi fl = {
 | 
			
		||||
		.fld_dst = cb->dst,
 | 
			
		||||
		.fld_src = cb->src,
 | 
			
		||||
		.fld_scope = RT_SCOPE_UNIVERSE,
 | 
			
		||||
		.flowi_mark = skb->mark,
 | 
			
		||||
		.flowi_iif = skb->dev->ifindex,
 | 
			
		||||
	struct flowidn fld = {
 | 
			
		||||
		.daddr = cb->dst,
 | 
			
		||||
		.saddr = cb->src,
 | 
			
		||||
		.flowidn_scope = RT_SCOPE_UNIVERSE,
 | 
			
		||||
		.flowidn_mark = skb->mark,
 | 
			
		||||
		.flowidn_iif = skb->dev->ifindex,
 | 
			
		||||
	};
 | 
			
		||||
	struct dn_fib_res res = { .fi = NULL, .type = RTN_UNREACHABLE };
 | 
			
		||||
	int err = -EINVAL;
 | 
			
		||||
| 
						 | 
				
			
			@ -1279,7 +1282,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
		goto out;
 | 
			
		||||
 | 
			
		||||
	/* Zero source addresses are not allowed */
 | 
			
		||||
	if (fl.fld_src == 0)
 | 
			
		||||
	if (fld.saddr == 0)
 | 
			
		||||
		goto out;
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
| 
						 | 
				
			
			@ -1293,7 +1296,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
	if (dn_dev_islocal(in_dev, cb->src))
 | 
			
		||||
		goto out;
 | 
			
		||||
 | 
			
		||||
	err = dn_fib_lookup(&fl, &res);
 | 
			
		||||
	err = dn_fib_lookup(&fld, &res);
 | 
			
		||||
	if (err) {
 | 
			
		||||
		if (err != -ESRCH)
 | 
			
		||||
			goto out;
 | 
			
		||||
| 
						 | 
				
			
			@ -1305,7 +1308,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
 | 
			
		||||
		res.type = RTN_LOCAL;
 | 
			
		||||
	} else {
 | 
			
		||||
		__le16 src_map = fl.fld_src;
 | 
			
		||||
		__le16 src_map = fld.saddr;
 | 
			
		||||
		free_res = 1;
 | 
			
		||||
 | 
			
		||||
		out_dev = DN_FIB_RES_DEV(res);
 | 
			
		||||
| 
						 | 
				
			
			@ -1318,22 +1321,22 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
		dev_hold(out_dev);
 | 
			
		||||
 | 
			
		||||
		if (res.r)
 | 
			
		||||
			src_map = fl.fld_src; /* no NAT support for now */
 | 
			
		||||
			src_map = fld.saddr; /* no NAT support for now */
 | 
			
		||||
 | 
			
		||||
		gateway = DN_FIB_RES_GW(res);
 | 
			
		||||
		if (res.type == RTN_NAT) {
 | 
			
		||||
			fl.fld_dst = dn_fib_rules_map_destination(fl.fld_dst, &res);
 | 
			
		||||
			fld.daddr = dn_fib_rules_map_destination(fld.daddr, &res);
 | 
			
		||||
			dn_fib_res_put(&res);
 | 
			
		||||
			free_res = 0;
 | 
			
		||||
			if (dn_fib_lookup(&fl, &res))
 | 
			
		||||
			if (dn_fib_lookup(&fld, &res))
 | 
			
		||||
				goto e_inval;
 | 
			
		||||
			free_res = 1;
 | 
			
		||||
			if (res.type != RTN_UNICAST)
 | 
			
		||||
				goto e_inval;
 | 
			
		||||
			flags |= RTCF_DNAT;
 | 
			
		||||
			gateway = fl.fld_dst;
 | 
			
		||||
			gateway = fld.daddr;
 | 
			
		||||
		}
 | 
			
		||||
		fl.fld_src = src_map;
 | 
			
		||||
		fld.saddr = src_map;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	switch(res.type) {
 | 
			
		||||
| 
						 | 
				
			
			@ -1347,8 +1350,8 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
		if (dn_db->parms.forwarding == 0)
 | 
			
		||||
			goto e_inval;
 | 
			
		||||
 | 
			
		||||
		if (res.fi->fib_nhs > 1 && fl.flowi_oif == 0)
 | 
			
		||||
			dn_fib_select_multipath(&fl, &res);
 | 
			
		||||
		if (res.fi->fib_nhs > 1 && fld.flowidn_oif == 0)
 | 
			
		||||
			dn_fib_select_multipath(&fld, &res);
 | 
			
		||||
 | 
			
		||||
		/*
 | 
			
		||||
		 * Check for out_dev == in_dev. We use the RTCF_DOREDIRECT
 | 
			
		||||
| 
						 | 
				
			
			@ -1366,8 +1369,8 @@ static int dn_route_input_slow(struct sk_buff *skb)
 | 
			
		|||
		break;
 | 
			
		||||
	case RTN_LOCAL:
 | 
			
		||||
		flags |= RTCF_LOCAL;
 | 
			
		||||
		fl.fld_src = cb->dst;
 | 
			
		||||
		fl.fld_dst = cb->src;
 | 
			
		||||
		fld.saddr = cb->dst;
 | 
			
		||||
		fld.daddr = cb->src;
 | 
			
		||||
 | 
			
		||||
		/* Routing tables gave us a gateway */
 | 
			
		||||
		if (gateway)
 | 
			
		||||
| 
						 | 
				
			
			@ -1400,21 +1403,21 @@ make_route:
 | 
			
		|||
	if (rt == NULL)
 | 
			
		||||
		goto e_nobufs;
 | 
			
		||||
 | 
			
		||||
	rt->rt_saddr      = fl.fld_src;
 | 
			
		||||
	rt->rt_daddr      = fl.fld_dst;
 | 
			
		||||
	rt->rt_gateway    = fl.fld_dst;
 | 
			
		||||
	rt->rt_saddr      = fld.saddr;
 | 
			
		||||
	rt->rt_daddr      = fld.daddr;
 | 
			
		||||
	rt->rt_gateway    = fld.daddr;
 | 
			
		||||
	if (gateway)
 | 
			
		||||
		rt->rt_gateway = gateway;
 | 
			
		||||
	rt->rt_local_src  = local_src ? local_src : rt->rt_saddr;
 | 
			
		||||
 | 
			
		||||
	rt->rt_dst_map    = fl.fld_dst;
 | 
			
		||||
	rt->rt_src_map    = fl.fld_src;
 | 
			
		||||
	rt->rt_dst_map    = fld.daddr;
 | 
			
		||||
	rt->rt_src_map    = fld.saddr;
 | 
			
		||||
 | 
			
		||||
	rt->fl.fld_src    = cb->src;
 | 
			
		||||
	rt->fl.fld_dst    = cb->dst;
 | 
			
		||||
	rt->fl.flowi_oif     = 0;
 | 
			
		||||
	rt->fl.flowi_iif     = in_dev->ifindex;
 | 
			
		||||
	rt->fl.flowi_mark    = fl.flowi_mark;
 | 
			
		||||
	rt->fld.saddr        = cb->src;
 | 
			
		||||
	rt->fld.daddr        = cb->dst;
 | 
			
		||||
	rt->fld.flowidn_oif  = 0;
 | 
			
		||||
	rt->fld.flowidn_iif  = in_dev->ifindex;
 | 
			
		||||
	rt->fld.flowidn_mark = fld.flowidn_mark;
 | 
			
		||||
 | 
			
		||||
	rt->dst.flags = DST_HOST;
 | 
			
		||||
	rt->dst.neighbour = neigh;
 | 
			
		||||
| 
						 | 
				
			
			@ -1444,7 +1447,7 @@ make_route:
 | 
			
		|||
	if (err)
 | 
			
		||||
		goto e_neighbour;
 | 
			
		||||
 | 
			
		||||
	hash = dn_hash(rt->fl.fld_src, rt->fl.fld_dst);
 | 
			
		||||
	hash = dn_hash(rt->fld.saddr, rt->fld.daddr);
 | 
			
		||||
	dn_insert_route(rt, hash, &rt);
 | 
			
		||||
	skb_dst_set(skb, &rt->dst);
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -1484,11 +1487,11 @@ static int dn_route_input(struct sk_buff *skb)
 | 
			
		|||
	rcu_read_lock();
 | 
			
		||||
	for(rt = rcu_dereference(dn_rt_hash_table[hash].chain); rt != NULL;
 | 
			
		||||
	    rt = rcu_dereference(rt->dst.dn_next)) {
 | 
			
		||||
		if ((rt->fl.fld_src == cb->src) &&
 | 
			
		||||
		    (rt->fl.fld_dst == cb->dst) &&
 | 
			
		||||
		    (rt->fl.flowi_oif == 0) &&
 | 
			
		||||
		    (rt->fl.flowi_mark == skb->mark) &&
 | 
			
		||||
		    (rt->fl.flowi_iif == cb->iif)) {
 | 
			
		||||
		if ((rt->fld.saddr == cb->src) &&
 | 
			
		||||
		    (rt->fld.daddr == cb->dst) &&
 | 
			
		||||
		    (rt->fld.flowidn_oif == 0) &&
 | 
			
		||||
		    (rt->fld.flowidn_mark == skb->mark) &&
 | 
			
		||||
		    (rt->fld.flowidn_iif == cb->iif)) {
 | 
			
		||||
			dst_use(&rt->dst, jiffies);
 | 
			
		||||
			rcu_read_unlock();
 | 
			
		||||
			skb_dst_set(skb, (struct dst_entry *)rt);
 | 
			
		||||
| 
						 | 
				
			
			@ -1524,9 +1527,9 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 | 
			
		|||
	if (rt->rt_flags & RTCF_NOTIFY)
 | 
			
		||||
		r->rtm_flags |= RTM_F_NOTIFY;
 | 
			
		||||
	RTA_PUT(skb, RTA_DST, 2, &rt->rt_daddr);
 | 
			
		||||
	if (rt->fl.fld_src) {
 | 
			
		||||
	if (rt->fld.saddr) {
 | 
			
		||||
		r->rtm_src_len = 16;
 | 
			
		||||
		RTA_PUT(skb, RTA_SRC, 2, &rt->fl.fld_src);
 | 
			
		||||
		RTA_PUT(skb, RTA_SRC, 2, &rt->fld.saddr);
 | 
			
		||||
	}
 | 
			
		||||
	if (rt->dst.dev)
 | 
			
		||||
		RTA_PUT(skb, RTA_OIF, sizeof(int), &rt->dst.dev->ifindex);
 | 
			
		||||
| 
						 | 
				
			
			@ -1545,7 +1548,7 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 | 
			
		|||
			       rt->dst.error) < 0)
 | 
			
		||||
		goto rtattr_failure;
 | 
			
		||||
	if (dn_is_input_route(rt))
 | 
			
		||||
		RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fl.flowi_iif);
 | 
			
		||||
		RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fld.flowidn_iif);
 | 
			
		||||
 | 
			
		||||
	nlh->nlmsg_len = skb_tail_pointer(skb) - b;
 | 
			
		||||
	return skb->len;
 | 
			
		||||
| 
						 | 
				
			
			@ -1568,13 +1571,13 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 | 
			
		|||
	struct dn_skb_cb *cb;
 | 
			
		||||
	int err;
 | 
			
		||||
	struct sk_buff *skb;
 | 
			
		||||
	struct flowi fl;
 | 
			
		||||
	struct flowidn fld;
 | 
			
		||||
 | 
			
		||||
	if (!net_eq(net, &init_net))
 | 
			
		||||
		return -EINVAL;
 | 
			
		||||
 | 
			
		||||
	memset(&fl, 0, sizeof(fl));
 | 
			
		||||
	fl.flowi_proto = DNPROTO_NSP;
 | 
			
		||||
	memset(&fld, 0, sizeof(fld));
 | 
			
		||||
	fld.flowidn_proto = DNPROTO_NSP;
 | 
			
		||||
 | 
			
		||||
	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 | 
			
		||||
	if (skb == NULL)
 | 
			
		||||
| 
						 | 
				
			
			@ -1583,15 +1586,15 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 | 
			
		|||
	cb = DN_SKB_CB(skb);
 | 
			
		||||
 | 
			
		||||
	if (rta[RTA_SRC-1])
 | 
			
		||||
		memcpy(&fl.fld_src, RTA_DATA(rta[RTA_SRC-1]), 2);
 | 
			
		||||
		memcpy(&fld.saddr, RTA_DATA(rta[RTA_SRC-1]), 2);
 | 
			
		||||
	if (rta[RTA_DST-1])
 | 
			
		||||
		memcpy(&fl.fld_dst, RTA_DATA(rta[RTA_DST-1]), 2);
 | 
			
		||||
		memcpy(&fld.daddr, RTA_DATA(rta[RTA_DST-1]), 2);
 | 
			
		||||
	if (rta[RTA_IIF-1])
 | 
			
		||||
		memcpy(&fl.flowi_iif, RTA_DATA(rta[RTA_IIF-1]), sizeof(int));
 | 
			
		||||
		memcpy(&fld.flowidn_iif, RTA_DATA(rta[RTA_IIF-1]), sizeof(int));
 | 
			
		||||
 | 
			
		||||
	if (fl.flowi_iif) {
 | 
			
		||||
	if (fld.flowidn_iif) {
 | 
			
		||||
		struct net_device *dev;
 | 
			
		||||
		if ((dev = dev_get_by_index(&init_net, fl.flowi_iif)) == NULL) {
 | 
			
		||||
		if ((dev = dev_get_by_index(&init_net, fld.flowidn_iif)) == NULL) {
 | 
			
		||||
			kfree_skb(skb);
 | 
			
		||||
			return -ENODEV;
 | 
			
		||||
		}
 | 
			
		||||
| 
						 | 
				
			
			@ -1602,8 +1605,8 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 | 
			
		|||
		}
 | 
			
		||||
		skb->protocol = htons(ETH_P_DNA_RT);
 | 
			
		||||
		skb->dev = dev;
 | 
			
		||||
		cb->src = fl.fld_src;
 | 
			
		||||
		cb->dst = fl.fld_dst;
 | 
			
		||||
		cb->src = fld.saddr;
 | 
			
		||||
		cb->dst = fld.daddr;
 | 
			
		||||
		local_bh_disable();
 | 
			
		||||
		err = dn_route_input(skb);
 | 
			
		||||
		local_bh_enable();
 | 
			
		||||
| 
						 | 
				
			
			@ -1615,8 +1618,8 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 | 
			
		|||
		int oif = 0;
 | 
			
		||||
		if (rta[RTA_OIF - 1])
 | 
			
		||||
			memcpy(&oif, RTA_DATA(rta[RTA_OIF - 1]), sizeof(int));
 | 
			
		||||
		fl.flowi_oif = oif;
 | 
			
		||||
		err = dn_route_output_key((struct dst_entry **)&rt, &fl, 0);
 | 
			
		||||
		fld.flowidn_oif = oif;
 | 
			
		||||
		err = dn_route_output_key((struct dst_entry **)&rt, &fld, 0);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (skb->dev)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -49,14 +49,15 @@ struct dn_fib_rule
 | 
			
		|||
};
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
int dn_fib_lookup(struct flowi *flp, struct dn_fib_res *res)
 | 
			
		||||
int dn_fib_lookup(struct flowidn *flp, struct dn_fib_res *res)
 | 
			
		||||
{
 | 
			
		||||
	struct fib_lookup_arg arg = {
 | 
			
		||||
		.result = res,
 | 
			
		||||
	};
 | 
			
		||||
	int err;
 | 
			
		||||
 | 
			
		||||
	err = fib_rules_lookup(dn_fib_rules_ops, flp, 0, &arg);
 | 
			
		||||
	err = fib_rules_lookup(dn_fib_rules_ops,
 | 
			
		||||
			       flowidn_to_flowi(flp), 0, &arg);
 | 
			
		||||
	res->r = arg.rule;
 | 
			
		||||
 | 
			
		||||
	return err;
 | 
			
		||||
| 
						 | 
				
			
			@ -65,6 +66,7 @@ int dn_fib_lookup(struct flowi *flp, struct dn_fib_res *res)
 | 
			
		|||
static int dn_fib_rule_action(struct fib_rule *rule, struct flowi *flp,
 | 
			
		||||
			      int flags, struct fib_lookup_arg *arg)
 | 
			
		||||
{
 | 
			
		||||
	struct flowidn *fld = &flp->u.dn;
 | 
			
		||||
	int err = -EAGAIN;
 | 
			
		||||
	struct dn_fib_table *tbl;
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -90,7 +92,7 @@ static int dn_fib_rule_action(struct fib_rule *rule, struct flowi *flp,
 | 
			
		|||
	if (tbl == NULL)
 | 
			
		||||
		goto errout;
 | 
			
		||||
 | 
			
		||||
	err = tbl->lookup(tbl, flp, (struct dn_fib_res *)arg->result);
 | 
			
		||||
	err = tbl->lookup(tbl, fld, (struct dn_fib_res *)arg->result);
 | 
			
		||||
	if (err > 0)
 | 
			
		||||
		err = -EAGAIN;
 | 
			
		||||
errout:
 | 
			
		||||
| 
						 | 
				
			
			@ -104,8 +106,9 @@ static const struct nla_policy dn_fib_rule_policy[FRA_MAX+1] = {
 | 
			
		|||
static int dn_fib_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
 | 
			
		||||
{
 | 
			
		||||
	struct dn_fib_rule *r = (struct dn_fib_rule *)rule;
 | 
			
		||||
	__le16 daddr = fl->fld_dst;
 | 
			
		||||
	__le16 saddr = fl->fld_src;
 | 
			
		||||
	struct flowidn *fld = &fl->u.dn;
 | 
			
		||||
	__le16 daddr = fld->daddr;
 | 
			
		||||
	__le16 saddr = fld->saddr;
 | 
			
		||||
 | 
			
		||||
	if (((saddr ^ r->src) & r->srcmask) ||
 | 
			
		||||
	    ((daddr ^ r->dst) & r->dstmask))
 | 
			
		||||
| 
						 | 
				
			
			@ -175,7 +178,7 @@ static int dn_fib_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
 | 
			
		|||
 | 
			
		||||
unsigned dnet_addr_type(__le16 addr)
 | 
			
		||||
{
 | 
			
		||||
	struct flowi fl = { .fld_dst = addr };
 | 
			
		||||
	struct flowidn fld = { .daddr = addr };
 | 
			
		||||
	struct dn_fib_res res;
 | 
			
		||||
	unsigned ret = RTN_UNICAST;
 | 
			
		||||
	struct dn_fib_table *tb = dn_fib_get_table(RT_TABLE_LOCAL, 0);
 | 
			
		||||
| 
						 | 
				
			
			@ -183,7 +186,7 @@ unsigned dnet_addr_type(__le16 addr)
 | 
			
		|||
	res.r = NULL;
 | 
			
		||||
 | 
			
		||||
	if (tb) {
 | 
			
		||||
		if (!tb->lookup(tb, &fl, &res)) {
 | 
			
		||||
		if (!tb->lookup(tb, &fld, &res)) {
 | 
			
		||||
			ret = res.type;
 | 
			
		||||
			dn_fib_res_put(&res);
 | 
			
		||||
		}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -764,7 +764,7 @@ static int dn_fib_table_flush(struct dn_fib_table *tb)
 | 
			
		|||
	return found;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int dn_fib_table_lookup(struct dn_fib_table *tb, const struct flowi *flp, struct dn_fib_res *res)
 | 
			
		||||
static int dn_fib_table_lookup(struct dn_fib_table *tb, const struct flowidn *flp, struct dn_fib_res *res)
 | 
			
		||||
{
 | 
			
		||||
	int err;
 | 
			
		||||
	struct dn_zone *dz;
 | 
			
		||||
| 
						 | 
				
			
			@ -773,7 +773,7 @@ static int dn_fib_table_lookup(struct dn_fib_table *tb, const struct flowi *flp,
 | 
			
		|||
	read_lock(&dn_fib_tables_lock);
 | 
			
		||||
	for(dz = t->dh_zone_list; dz; dz = dz->dz_next) {
 | 
			
		||||
		struct dn_fib_node *f;
 | 
			
		||||
		dn_fib_key_t k = dz_key(flp->fld_dst, dz);
 | 
			
		||||
		dn_fib_key_t k = dz_key(flp->daddr, dz);
 | 
			
		||||
 | 
			
		||||
		for(f = dz_chain(k, dz); f; f = f->fn_next) {
 | 
			
		||||
			if (!dn_key_eq(k, f->fn_key)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -788,7 +788,7 @@ static int dn_fib_table_lookup(struct dn_fib_table *tb, const struct flowi *flp,
 | 
			
		|||
			if (f->fn_state&DN_S_ZOMBIE)
 | 
			
		||||
				continue;
 | 
			
		||||
 | 
			
		||||
			if (f->fn_scope < flp->fld_scope)
 | 
			
		||||
			if (f->fn_scope < flp->flowidn_scope)
 | 
			
		||||
				continue;
 | 
			
		||||
 | 
			
		||||
			err = dn_fib_semantic_match(f->fn_type, DN_FIB_INFO(f), flp, res);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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