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decnet: Convert to use flowidn where applicable.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
1958b856c1
commit
bef55aebd5
@ -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;
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struct net_device *dev_out = NULL, *dev;
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@ -926,13 +926,14 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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if (decnet_debug_level & 16)
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printk(KERN_DEBUG
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"dn_route_output_slow: dst=%04x src=%04x mark=%d"
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" iif=%d oif=%d\n", le16_to_cpu(oldflp->fld_dst),
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le16_to_cpu(oldflp->fld_src),
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oldflp->flowi_mark, init_net.loopback_dev->ifindex, oldflp->flowi_oif);
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" iif=%d oif=%d\n", le16_to_cpu(oldflp->daddr),
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le16_to_cpu(oldflp->saddr),
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oldflp->flowidn_mark, init_net.loopback_dev->ifindex,
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oldflp->flowidn_oif);
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/* If we have an output interface, verify its a DECnet device */
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if (oldflp->flowi_oif) {
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dev_out = dev_get_by_index(&init_net, oldflp->flowi_oif);
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if (oldflp->flowidn_oif) {
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dev_out = dev_get_by_index(&init_net, oldflp->flowidn_oif);
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err = -ENODEV;
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if (dev_out && dev_out->dn_ptr == NULL) {
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dev_put(dev_out);
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@ -943,11 +944,11 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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}
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/* If we have a source address, verify that its a local address */
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if (oldflp->fld_src) {
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if (oldflp->saddr) {
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err = -EADDRNOTAVAIL;
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if (dev_out) {
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if (dn_dev_islocal(dev_out, oldflp->fld_src))
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if (dn_dev_islocal(dev_out, oldflp->saddr))
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goto source_ok;
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dev_put(dev_out);
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goto out;
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@ -956,11 +957,11 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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for_each_netdev_rcu(&init_net, dev) {
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if (!dev->dn_ptr)
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continue;
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if (!dn_dev_islocal(dev, oldflp->fld_src))
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if (!dn_dev_islocal(dev, oldflp->saddr))
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continue;
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if ((dev->flags & IFF_LOOPBACK) &&
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oldflp->fld_dst &&
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!dn_dev_islocal(dev, oldflp->fld_dst))
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oldflp->daddr &&
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!dn_dev_islocal(dev, oldflp->daddr))
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continue;
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dev_out = dev;
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@ -975,22 +976,22 @@ source_ok:
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}
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/* No destination? Assume its local */
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if (!fl.fld_dst) {
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fl.fld_dst = fl.fld_src;
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if (!fld.daddr) {
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fld.daddr = fld.saddr;
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err = -EADDRNOTAVAIL;
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if (dev_out)
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dev_put(dev_out);
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dev_out = init_net.loopback_dev;
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dev_hold(dev_out);
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if (!fl.fld_dst) {
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fl.fld_dst =
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fl.fld_src = dnet_select_source(dev_out, 0,
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if (!fld.daddr) {
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fld.daddr =
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fld.saddr = dnet_select_source(dev_out, 0,
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RT_SCOPE_HOST);
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if (!fl.fld_dst)
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if (!fld.daddr)
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goto out;
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}
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fl.flowi_oif = init_net.loopback_dev->ifindex;
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fld.flowidn_oif = init_net.loopback_dev->ifindex;
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res.type = RTN_LOCAL;
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goto make_route;
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}
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@ -999,8 +1000,8 @@ source_ok:
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printk(KERN_DEBUG
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"dn_route_output_slow: initial checks complete."
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||||
" 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);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user