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提交 bef55aeb 编写于 作者: D David S. Miller
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decnet: Convert to use flowidn where applicable. 

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 1958b856
隐藏空白更改
内联 并排
Showing with 196 addition and 185 deletion
include/net/dn.h
浏览文件 @ bef55aeb
......@@ -192,10 +192,10 @@ static inline void dn_dn2eth(unsigned char *ethaddr, __le16 addr)
ethaddr[5] = (__u8)(a >> 8);
}
static inline void dn_sk_ports_copy(struct flowi *fl, struct dn_scp *scp)
static inline void dn_sk_ports_copy(struct flowidn *fld, struct dn_scp *scp)
{
fl->u.dn.uli.ports.sport = scp->addrloc;
fl->u.dn.uli.ports.dport = scp->addrrem;
fld->fld_sport = scp->addrloc;
fld->fld_dport = scp->addrrem;
}
extern unsigned dn_mss_from_pmtu(struct net_device *dev, int mtu);
......
include/net/dn_fib.h
浏览文件 @ bef55aeb
......@@ -98,7 +98,7 @@ struct dn_fib_table {
int (*delete)(struct dn_fib_table *t, struct rtmsg *r,
struct dn_kern_rta *rta, struct nlmsghdr *n,
struct netlink_skb_parms *req);
int (*lookup)(struct dn_fib_table *t, const struct flowi *fl,
int (*lookup)(struct dn_fib_table *t, const struct flowidn *fld,
struct dn_fib_res *res);
int (*flush)(struct dn_fib_table *t);
int (*dump)(struct dn_fib_table *t, struct sk_buff *skb, struct netlink_callback *cb);
......@@ -119,12 +119,12 @@ extern struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r,
struct dn_kern_rta *rta,
const struct nlmsghdr *nlh, int *errp);
extern int dn_fib_semantic_match(int type, struct dn_fib_info *fi,
const struct flowi *fl,
const struct flowidn *fld,
struct dn_fib_res *res);
extern void dn_fib_release_info(struct dn_fib_info *fi);
extern __le16 dn_fib_get_attr16(struct rtattr *attr, int attrlen, int type);
extern void dn_fib_flush(void);
extern void dn_fib_select_multipath(const struct flowi *fl,
extern void dn_fib_select_multipath(const struct flowidn *fld,
struct dn_fib_res *res);
/*
......@@ -141,7 +141,7 @@ extern void dn_fib_table_cleanup(void);
extern void dn_fib_rules_init(void);
extern void dn_fib_rules_cleanup(void);
extern unsigned dnet_addr_type(__le16 addr);
extern int dn_fib_lookup(struct flowi *fl, struct dn_fib_res *res);
extern int dn_fib_lookup(struct flowidn *fld, struct dn_fib_res *res);
extern int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb);
......
include/net/dn_route.h
浏览文件 @ bef55aeb
......@@ -16,7 +16,7 @@
*******************************************************************************/
extern struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri);
extern int dn_route_output_sock(struct dst_entry **pprt, struct flowi *, struct sock *sk, int flags);
extern int dn_route_output_sock(struct dst_entry **pprt, struct flowidn *, struct sock *sk, int flags);
extern int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb);
extern void dn_rt_cache_flush(int delay);
......@@ -67,7 +67,7 @@ extern void dn_rt_cache_flush(int delay);
struct dn_route {
struct dst_entry dst;
struct flowi fl;
struct flowidn fld;
__le16 rt_saddr;
__le16 rt_daddr;
......@@ -82,12 +82,12 @@ struct dn_route {
static inline bool dn_is_input_route(struct dn_route *rt)
{
return rt->fl.flowi_iif != 0;
return rt->fld.flowidn_iif != 0;
}
static inline bool dn_is_output_route(struct dn_route *rt)
{
return rt->fl.flowi_iif == 0;
return rt->fld.flowidn_iif == 0;
}
extern void dn_route_init(void);
......
include/net/flow.h
浏览文件 @ bef55aeb
......@@ -95,9 +95,17 @@ struct flowi6 {
struct flowidn {
struct flowi_common __fl_common;
#define flowidn_oif __fl_common.flowic_oif
#define flowidn_iif __fl_common.flowic_iif
#define flowidn_mark __fl_common.flowic_mark
#define flowidn_scope __fl_common.flowic_scope
#define flowidn_proto __fl_common.flowic_proto
#define flowidn_flags __fl_common.flowic_flags
__le16 daddr;
__le16 saddr;
union flowi_uli uli;
#define fld_sport uli.ports.sport
#define fld_dport uli.ports.dport
};
struct flowi {
......@@ -115,10 +123,6 @@ struct flowi {
#define flowi_proto u.__fl_common.flowic_proto
#define flowi_flags u.__fl_common.flowic_flags
#define flowi_secid u.__fl_common.flowic_secid
#define fld_scope flowi_scope
#define fld_dst u.dn.daddr
#define fld_src u.dn.saddr
} __attribute__((__aligned__(BITS_PER_LONG/8)));
static inline struct flowi *flowi4_to_flowi(struct flowi4 *fl4)
......
net/decnet/af_decnet.c
浏览文件 @ bef55aeb
......@@ -908,7 +908,7 @@ static int __dn_connect(struct sock *sk, struct sockaddr_dn *addr, int addrlen,
struct socket *sock = sk->sk_socket;
struct dn_scp *scp = DN_SK(sk);
int err = -EISCONN;
struct flowi fl;
struct flowidn fld;
if (sock->state == SS_CONNECTED)
goto out;
......@@ -947,13 +947,13 @@ static int __dn_connect(struct sock *sk, struct sockaddr_dn *addr, int addrlen,
memcpy(&scp->peer, addr, sizeof(struct sockaddr_dn));
err = -EHOSTUNREACH;
memset(&fl, 0, sizeof(fl));
fl.flowi_oif = sk->sk_bound_dev_if;
fl.fld_dst = dn_saddr2dn(&scp->peer);
fl.fld_src = dn_saddr2dn(&scp->addr);
dn_sk_ports_copy(&fl, scp);
fl.flowi_proto = DNPROTO_NSP;
if (dn_route_output_sock(&sk->sk_dst_cache, &fl, sk, flags) < 0)
memset(&fld, 0, sizeof(fld));
fld.flowidn_oif = sk->sk_bound_dev_if;
fld.daddr = dn_saddr2dn(&scp->peer);
fld.saddr = dn_saddr2dn(&scp->addr);
dn_sk_ports_copy(&fld, scp);
fld.flowidn_proto = DNPROTO_NSP;
if (dn_route_output_sock(&sk->sk_dst_cache, &fld, sk, flags) < 0)
goto out;
sk->sk_route_caps = sk->sk_dst_cache->dev->features;
sock->state = SS_CONNECTING;
......
net/decnet/dn_fib.c
浏览文件 @ bef55aeb
......@@ -201,7 +201,7 @@ static int dn_fib_check_nh(const struct rtmsg *r, struct dn_fib_info *fi, struct
int err;
if (nh->nh_gw) {
struct flowi fl;
struct flowidn fld;
struct dn_fib_res res;
if (nh->nh_flags&RTNH_F_ONLINK) {
......@@ -221,15 +221,15 @@ static int dn_fib_check_nh(const struct rtmsg *r, struct dn_fib_info *fi, struct
return 0;
}
memset(&fl, 0, sizeof(fl));
fl.fld_dst = nh->nh_gw;
fl.flowi_oif = nh->nh_oif;
fl.fld_scope = r->rtm_scope + 1;
memset(&fld, 0, sizeof(fld));
fld.daddr = nh->nh_gw;
fld.flowidn_oif = nh->nh_oif;
fld.flowidn_scope = r->rtm_scope + 1;
if (fl.fld_scope < RT_SCOPE_LINK)
fl.fld_scope = RT_SCOPE_LINK;
if (fld.flowidn_scope < RT_SCOPE_LINK)
fld.flowidn_scope = RT_SCOPE_LINK;
if ((err = dn_fib_lookup(&fl, &res)) != 0)
if ((err = dn_fib_lookup(&fld, &res)) != 0)
return err;
err = -EINVAL;
......@@ -404,7 +404,7 @@ struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct dn_kern_rta
return NULL;
}
int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowi *fl, struct dn_fib_res *res)
int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn *fld, struct dn_fib_res *res)
{
int err = dn_fib_props[type].error;
......@@ -424,7 +424,8 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowi *
for_nexthops(fi) {
if (nh->nh_flags & RTNH_F_DEAD)
continue;
if (!fl->flowi_oif || fl->flowi_oif == nh->nh_oif)
if (!fld->flowidn_oif ||
fld->flowidn_oif == nh->nh_oif)
break;
}
if (nhsel < fi->fib_nhs) {
......@@ -445,7 +446,7 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowi *
return err;
}
void dn_fib_select_multipath(const struct flowi *fl, struct dn_fib_res *res)
void dn_fib_select_multipath(const struct flowidn *fld, struct dn_fib_res *res)
{
struct dn_fib_info *fi = res->fi;
int w;
......
net/decnet/dn_nsp_out.c
浏览文件 @ bef55aeb
......@@ -78,7 +78,7 @@ static void dn_nsp_send(struct sk_buff *skb)
struct sock *sk = skb->sk;
struct dn_scp *scp = DN_SK(sk);
struct dst_entry *dst;
struct flowi fl;
struct flowidn fld;
skb_reset_transport_header(skb);
scp->stamp = jiffies;
......@@ -91,13 +91,13 @@ static void dn_nsp_send(struct sk_buff *skb)
return;
}
memset(&fl, 0, sizeof(fl));
fl.flowi_oif = sk->sk_bound_dev_if;
fl.fld_src = dn_saddr2dn(&scp->addr);
fl.fld_dst = dn_saddr2dn(&scp->peer);
dn_sk_ports_copy(&fl, scp);
fl.flowi_proto = DNPROTO_NSP;
if (dn_route_output_sock(&sk->sk_dst_cache, &fl, sk, 0) == 0) {
memset(&fld, 0, sizeof(fld));
fld.flowidn_oif = sk->sk_bound_dev_if;
fld.saddr = dn_saddr2dn(&scp->addr);
fld.daddr = dn_saddr2dn(&scp->peer);
dn_sk_ports_copy(&fld, scp);
fld.flowidn_proto = DNPROTO_NSP;
if (dn_route_output_sock(&sk->sk_dst_cache, &fld, sk, 0) == 0) {
dst = sk_dst_get(sk);
sk->sk_route_caps = dst->dev->features;
goto try_again;
......
net/decnet/dn_route.c
浏览文件 @ bef55aeb
......@@ -282,14 +282,14 @@ static void dn_dst_link_failure(struct sk_buff *skb)
{
}
static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
static inline int compare_keys(struct flowidn *fl1, struct flowidn *fl2)
{
return ((fl1->fld_dst ^ fl2->fld_dst) |
(fl1->fld_src ^ fl2->fld_src) |
(fl1->flowi_mark ^ fl2->flowi_mark) |
(fl1->fld_scope ^ fl2->fld_scope) |
(fl1->flowi_oif ^ fl2->flowi_oif) |
(fl1->flowi_iif ^ fl2->flowi_iif)) == 0;
return ((fl1->daddr ^ fl2->daddr) |
(fl1->saddr ^ fl2->saddr) |
(fl1->flowidn_mark ^ fl2->flowidn_mark) |
(fl1->flowidn_scope ^ fl2->flowidn_scope) |
(fl1->flowidn_oif ^ fl2->flowidn_oif) |
(fl1->flowidn_iif ^ fl2->flowidn_iif)) == 0;
}
static int dn_insert_route(struct dn_route *rt, unsigned hash, struct dn_route **rp)
......@@ -303,7 +303,7 @@ static int dn_insert_route(struct dn_route *rt, unsigned hash, struct dn_route *
spin_lock_bh(&dn_rt_hash_table[hash].lock);
while ((rth = rcu_dereference_protected(*rthp,
lockdep_is_held(&dn_rt_hash_table[hash].lock))) != NULL) {
if (compare_keys(&rth->fl, &rt->fl)) {
if (compare_keys(&rth->fld, &rt->fld)) {
/* Put it first */
*rthp = rth->dst.dn_next;
rcu_assign_pointer(rth->dst.dn_next,
......@@ -903,15 +903,15 @@ static inline __le16 dn_fib_rules_map_destination(__le16 daddr, struct dn_fib_re
return (daddr&~mask)|res->fi->fib_nh->nh_gw;
}
static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *oldflp, int try_hard)
static int dn_route_output_slow(struct dst_entry **pprt, const struct flowidn *oldflp, int try_hard)
{
struct flowi fl = {
.fld_dst = oldflp->fld_dst,
.fld_src = oldflp->fld_src,
.fld_scope = RT_SCOPE_UNIVERSE,
.flowi_mark = oldflp->flowi_mark,
.flowi_iif = init_net.loopback_dev->ifindex,
.flowi_oif = oldflp->flowi_oif,
struct flowidn fld = {
.daddr = oldflp->daddr,
.saddr = oldflp->saddr,
.flowidn_scope = RT_SCOPE_UNIVERSE,
.flowidn_mark = oldflp->flowidn_mark,
.flowidn_iif = init_net.loopback_dev->ifindex,
.flowidn_oif = oldflp->flowidn_oif,
};
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
}
/* 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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
* 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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
* 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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
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 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
/*
* 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 @@ static int dn_route_input_slow(struct sk_buff *skb)
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 @@ static int dn_route_input_slow(struct sk_buff *skb)
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)
......
net/decnet/dn_rules.c
浏览文件 @ bef55aeb
......@@ -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);
}
......
net/decnet/dn_table.c
浏览文件 @ bef55aeb
......@@ -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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