{
}
-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->mark ^ fl2->mark) |
- (fl1->fld_scope ^ fl2->fld_scope) |
- (fl1->oif ^ fl2->oif) |
- (fl1->iif ^ fl2->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)
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,
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,
- .mark = oldflp->mark,
- .iif = init_net.loopback_dev->ifindex,
- .oif = oldflp->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;
struct neighbour *neigh = NULL;
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->mark, init_net.loopback_dev->ifindex, oldflp->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->oif) {
- dev_out = dev_get_by_index(&init_net, oldflp->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);
}
/* 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;
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;
}
/* 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.oif = init_net.loopback_dev->ifindex;
+ fld.flowidn_oif = init_net.loopback_dev->ifindex;
res.type = RTN_LOCAL;
goto make_route;
}
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.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
* 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;
* 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->oif &&
- (neigh->dev->ifindex != oldflp->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 {
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);
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.oif = dev_out->ifindex;
+ fld.flowidn_oif = dev_out->ifindex;
goto make_route;
}
free_res = 1;
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.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.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.oif = dev_out->ifindex;
+ fld.flowidn_oif = dev_out->ifindex;
gateway = DN_FIB_RES_GW(res);
make_route:
if (dev_out->flags & IFF_LOOPBACK)
flags |= RTCF_LOCAL;
- rt = dst_alloc(&dn_dst_ops);
+ rt = dst_alloc(&dn_dst_ops, 0);
if (rt == NULL)
goto e_nobufs;
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.oif = oldflp->oif;
- rt->fl.iif = 0;
- rt->fl.mark = oldflp->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);
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:
/*
* 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->mark == rt->fl.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.oif == flp->oif)) {
+ (rt->fld.flowidn_oif == flp->flowidn_oif)) {
dst_use(&rt->dst, jiffies);
rcu_read_unlock_bh();
*pprt = &rt->dst;
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->proto) {
- err = 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;
+ }
}
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->proto) {
- err = xfrm_lookup(&init_net, pprt, fl, sk,
- (flags & MSG_DONTWAIT) ? 0 : XFRM_LOOKUP_WAIT);
+ if (err == 0 && fl->flowidn_proto) {
+ if (!(flags & MSG_DONTWAIT))
+ 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;
+ }
}
return err;
}
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,
- .mark = skb->mark,
- .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;
int free_res = 0;
goto out;
/* Zero source addresses are not allowed */
- if (fl.fld_src == 0)
+ if (fld.saddr == 0)
goto out;
/*
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;
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);
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) {
if (dn_db->parms.forwarding == 0)
goto e_inval;
- if (res.fi->fib_nhs > 1 && fl.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
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)
}
make_route:
- rt = dst_alloc(&dn_dst_ops);
+ rt = dst_alloc(&dn_dst_ops, 0);
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.oif = 0;
- rt->fl.iif = in_dev->ifindex;
- rt->fl.mark = fl.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;
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);
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.oif == 0) &&
- (rt->fl.mark == skb->mark) &&
- (rt->fl.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);
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);
rt->dst.error) < 0)
goto rtattr_failure;
if (dn_is_input_route(rt))
- RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fl.iif);
+ RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fld.flowidn_iif);
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
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.proto = DNPROTO_NSP;
+ memset(&fld, 0, sizeof(fld));
+ fld.flowidn_proto = DNPROTO_NSP;
skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb == NULL)
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.iif, RTA_DATA(rta[RTA_IIF-1]), sizeof(int));
+ memcpy(&fld.flowidn_iif, RTA_DATA(rta[RTA_IIF-1]), sizeof(int));
- if (fl.iif) {
+ if (fld.flowidn_iif) {
struct net_device *dev;
- if ((dev = dev_get_by_index(&init_net, fl.iif)) == NULL) {
+ if ((dev = dev_get_by_index(&init_net, fld.flowidn_iif)) == NULL) {
kfree_skb(skb);
return -ENODEV;
}
}
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();
int oif = 0;
if (rta[RTA_OIF - 1])
memcpy(&oif, RTA_DATA(rta[RTA_OIF - 1]), sizeof(int));
- fl.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)
projects / deliverable / linux.git / blobdiff