static struct dst_ops dn_dst_ops = {
.family = PF_DECnet,
- .protocol = __constant_htons(ETH_P_DNA_RT),
+ .protocol = cpu_to_be16(ETH_P_DNA_RT),
.gc_thresh = 128,
.gc = dn_dst_gc,
.check = dn_dst_check,
.negative_advice = dn_dst_negative_advice,
.link_failure = dn_dst_link_failure,
.update_pmtu = dn_dst_update_pmtu,
- .entry_size = sizeof(struct dn_route),
.entries = ATOMIC_INIT(0),
};
else
min_mtu -= 21;
- if (dst->metrics[RTAX_MTU-1] > mtu && mtu >= min_mtu) {
+ if (dst_metric(dst, RTAX_MTU) > mtu && mtu >= min_mtu) {
if (!(dst_metric_locked(dst, RTAX_MTU))) {
dst->metrics[RTAX_MTU-1] = mtu;
dst_set_expires(dst, dn_rt_mtu_expires);
}
if (!(dst_metric_locked(dst, RTAX_ADVMSS))) {
u32 mss = mtu - DN_MAX_NSP_DATA_HEADER;
- if (dst->metrics[RTAX_ADVMSS-1] > mss)
+ if (dst_metric(dst, RTAX_ADVMSS) > mss)
dst->metrics[RTAX_ADVMSS-1] = mss;
}
}
return 0;
}
-void dn_run_flush(unsigned long dummy)
+static void dn_run_flush(unsigned long dummy)
{
int i;
struct dn_route *rt, *next;
unsigned char *ptr;
__le16 *src;
__le16 *dst;
- __le16 tmp;
/* Add back headers */
skb_push(skb, skb->data - skb_network_header(skb));
ptr += 2;
*ptr = 0; /* Zero hop count */
- /* Swap source and destination */
- tmp = *src;
- *src = *dst;
- *dst = tmp;
+ swap(*src, *dst);
skb->pkt_type = PACKET_OUTGOING;
dn_rt_finish_output(skb, NULL, NULL);
printk(KERN_DEBUG
"DECnet: dn_route_rx_packet: rt_flags=0x%02x dev=%s len=%d src=0x%04hx dst=0x%04hx err=%d type=%d\n",
(int)cb->rt_flags, devname, skb->len,
- dn_ntohs(cb->src), dn_ntohs(cb->dst),
+ le16_to_cpu(cb->src), le16_to_cpu(cb->dst),
err, skb->pkt_type);
}
{
struct dn_skb_cb *cb;
unsigned char flags = 0;
- __u16 len = dn_ntohs(*(__le16 *)skb->data);
+ __u16 len = le16_to_cpu(*(__le16 *)skb->data);
struct dn_dev *dn = (struct dn_dev *)dev->dn_ptr;
unsigned char padlen = 0;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto dump_it;
if (dn == NULL)
static int dn_output(struct sk_buff *skb)
{
- struct dst_entry *dst = skb->dst;
+ struct dst_entry *dst = skb_dst(skb);
struct dn_route *rt = (struct dn_route *)dst;
struct net_device *dev = dst->dev;
struct dn_skb_cb *cb = DN_SKB_CB(skb);
static int dn_forward(struct sk_buff *skb)
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
- struct dst_entry *dst = skb->dst;
+ struct dst_entry *dst = skb_dst(skb);
struct dn_dev *dn_db = dst->dev->dn_ptr;
struct dn_route *rt;
struct neighbour *neigh = dst->neighbour;
goto drop;
/* Ensure that we have enough space for headers */
- rt = (struct dn_route *)skb->dst;
+ rt = (struct dn_route *)skb_dst(skb);
header_len = dn_db->use_long ? 21 : 6;
if (skb_cow(skb, LL_RESERVED_SPACE(rt->u.dst.dev)+header_len))
goto drop;
struct dn_skb_cb *cb = DN_SKB_CB(skb);
printk(KERN_DEBUG "dn_rt_bug: skb from:%04x to:%04x\n",
- dn_ntohs(cb->src), dn_ntohs(cb->dst));
+ le16_to_cpu(cb->src), le16_to_cpu(cb->dst));
}
kfree_skb(skb);
- return NET_RX_BAD;
+ return NET_RX_DROP;
}
static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
rt->u.dst.neighbour = n;
}
- if (rt->u.dst.metrics[RTAX_MTU-1] == 0 ||
- rt->u.dst.metrics[RTAX_MTU-1] > rt->u.dst.dev->mtu)
+ if (dst_metric(&rt->u.dst, RTAX_MTU) == 0 ||
+ dst_metric(&rt->u.dst, RTAX_MTU) > rt->u.dst.dev->mtu)
rt->u.dst.metrics[RTAX_MTU-1] = rt->u.dst.dev->mtu;
mss = dn_mss_from_pmtu(dev, dst_mtu(&rt->u.dst));
- if (rt->u.dst.metrics[RTAX_ADVMSS-1] == 0 ||
- rt->u.dst.metrics[RTAX_ADVMSS-1] > mss)
+ if (dst_metric(&rt->u.dst, RTAX_ADVMSS) == 0 ||
+ dst_metric(&rt->u.dst, RTAX_ADVMSS) > mss)
rt->u.dst.metrics[RTAX_ADVMSS-1] = mss;
return 0;
}
static inline int dn_match_addr(__le16 addr1, __le16 addr2)
{
- __u16 tmp = dn_ntohs(addr1) ^ dn_ntohs(addr2);
+ __u16 tmp = le16_to_cpu(addr1) ^ le16_to_cpu(addr2);
int match = 16;
while(tmp) {
tmp >>= 1;
if (decnet_debug_level & 16)
printk(KERN_DEBUG
"dn_route_output_slow: dst=%04x src=%04x mark=%d"
- " iif=%d oif=%d\n", dn_ntohs(oldflp->fld_dst),
- dn_ntohs(oldflp->fld_src),
+ " 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);
/* If we have an output interface, verify its a DECnet device */
dev_put(dev_out);
goto out;
}
- read_lock(&dev_base_lock);
- for_each_netdev(&init_net, dev) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, dev) {
if (!dev->dn_ptr)
continue;
if (!dn_dev_islocal(dev, oldflp->fld_src))
dev_out = dev;
break;
}
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
if (dev_out == NULL)
goto out;
dev_hold(dev_out);
printk(KERN_DEBUG
"dn_route_output_slow: initial checks complete."
" dst=%o4x src=%04x oif=%d try_hard=%d\n",
- dn_ntohs(fl.fld_dst), dn_ntohs(fl.fld_src),
+ le16_to_cpu(fl.fld_dst), le16_to_cpu(fl.fld_src),
fl.oif, try_hard);
/*
if (!(flags & MSG_TRYHARD)) {
rcu_read_lock_bh();
- for(rt = rcu_dereference(dn_rt_hash_table[hash].chain); rt;
- rt = rcu_dereference(rt->u.dst.dn_next)) {
+ for (rt = rcu_dereference_bh(dn_rt_hash_table[hash].chain); rt;
+ rt = rcu_dereference_bh(rt->u.dst.dn_next)) {
if ((flp->fld_dst == rt->fl.fld_dst) &&
(flp->fld_src == rt->fl.fld_src) &&
(flp->mark == rt->fl.mark) &&
err = __dn_route_output_key(pprt, flp, flags);
if (err == 0 && flp->proto) {
- err = xfrm_lookup(pprt, flp, NULL, 0);
+ err = xfrm_lookup(&init_net, pprt, flp, NULL, 0);
}
return err;
}
err = __dn_route_output_key(pprt, fl, flags & MSG_TRYHARD);
if (err == 0 && fl->proto) {
- err = xfrm_lookup(pprt, fl, sk, (flags & MSG_DONTWAIT) ?
- 0 : XFRM_LOOKUP_WAIT);
+ err = xfrm_lookup(&init_net, pprt, fl, sk,
+ (flags & MSG_DONTWAIT) ? 0 : XFRM_LOOKUP_WAIT);
}
return err;
}
goto e_neighbour;
hash = dn_hash(rt->fl.fld_src, rt->fl.fld_dst);
- dn_insert_route(rt, hash, (struct dn_route **)&skb->dst);
+ dn_insert_route(rt, hash, &rt);
+ skb_dst_set(skb, &rt->u.dst);
done:
if (neigh)
goto done;
}
-int dn_route_input(struct sk_buff *skb)
+static int dn_route_input(struct sk_buff *skb)
{
struct dn_route *rt;
struct dn_skb_cb *cb = DN_SKB_CB(skb);
unsigned hash = dn_hash(cb->src, cb->dst);
- if (skb->dst)
+ if (skb_dst(skb))
return 0;
rcu_read_lock();
(rt->fl.iif == cb->iif)) {
dst_use(&rt->u.dst, jiffies);
rcu_read_unlock();
- skb->dst = (struct dst_entry *)rt;
+ skb_dst_set(skb, (struct dst_entry *)rt);
return 0;
}
}
static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
int event, int nowait, unsigned int flags)
{
- struct dn_route *rt = (struct dn_route *)skb->dst;
+ struct dn_route *rt = (struct dn_route *)skb_dst(skb);
struct rtmsg *r;
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
*/
static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = in_skb->sk->sk_net;
+ struct net *net = sock_net(in_skb->sk);
struct rtattr **rta = arg;
struct rtmsg *rtm = NLMSG_DATA(nlh);
struct dn_route *rt = NULL;
struct sk_buff *skb;
struct flowi fl;
- if (net != &init_net)
+ if (!net_eq(net, &init_net))
return -EINVAL;
memset(&fl, 0, sizeof(fl));
err = dn_route_input(skb);
local_bh_enable();
memset(cb, 0, sizeof(struct dn_skb_cb));
- rt = (struct dn_route *)skb->dst;
+ rt = (struct dn_route *)skb_dst(skb);
if (!err && -rt->u.dst.error)
err = rt->u.dst.error;
} else {
skb->dev = NULL;
if (err)
goto out_free;
- skb->dst = &rt->u.dst;
+ skb_dst_set(skb, &rt->u.dst);
if (rtm->rtm_flags & RTM_F_NOTIFY)
rt->rt_flags |= RTCF_NOTIFY;
*/
int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct dn_route *rt;
int h, s_h;
int idx, s_idx;
- if (net != &init_net)
+ if (!net_eq(net, &init_net))
return 0;
if (NLMSG_PAYLOAD(cb->nlh, 0) < sizeof(struct rtmsg))
if (h > s_h)
s_idx = 0;
rcu_read_lock_bh();
- for(rt = rcu_dereference(dn_rt_hash_table[h].chain), idx = 0;
+ for(rt = rcu_dereference_bh(dn_rt_hash_table[h].chain), idx = 0;
rt;
- rt = rcu_dereference(rt->u.dst.dn_next), idx++) {
+ rt = rcu_dereference_bh(rt->u.dst.dn_next), idx++) {
if (idx < s_idx)
continue;
- skb->dst = dst_clone(&rt->u.dst);
+ skb_dst_set(skb, dst_clone(&rt->u.dst));
if (dn_rt_fill_info(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_NEWROUTE,
1, NLM_F_MULTI) <= 0) {
- dst_release(xchg(&skb->dst, NULL));
+ skb_dst_drop(skb);
rcu_read_unlock_bh();
goto done;
}
- dst_release(xchg(&skb->dst, NULL));
+ skb_dst_drop(skb);
}
rcu_read_unlock_bh();
}
for(s->bucket = dn_rt_hash_mask; s->bucket >= 0; --s->bucket) {
rcu_read_lock_bh();
- rt = dn_rt_hash_table[s->bucket].chain;
+ rt = rcu_dereference_bh(dn_rt_hash_table[s->bucket].chain);
if (rt)
break;
rcu_read_unlock_bh();
}
- return rcu_dereference(rt);
+ return rt;
}
static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_route *rt)
rcu_read_lock_bh();
rt = dn_rt_hash_table[s->bucket].chain;
}
- return rcu_dereference(rt);
+ return rcu_dereference_bh(rt);
}
static void *dn_rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
seq_printf(seq, "%-8s %-7s %-7s %04d %04d %04d\n",
rt->u.dst.dev ? rt->u.dst.dev->name : "*",
- dn_addr2asc(dn_ntohs(rt->rt_daddr), buf1),
- dn_addr2asc(dn_ntohs(rt->rt_saddr), buf2),
+ dn_addr2asc(le16_to_cpu(rt->rt_daddr), buf1),
+ dn_addr2asc(le16_to_cpu(rt->rt_saddr), buf2),
atomic_read(&rt->u.dst.__refcnt),
rt->u.dst.__use,
(int) dst_metric(&rt->u.dst, RTAX_RTT));
dn_route_timer.expires = jiffies + decnet_dst_gc_interval * HZ;
add_timer(&dn_route_timer);
- goal = num_physpages >> (26 - PAGE_SHIFT);
+ goal = totalram_pages >> (26 - PAGE_SHIFT);
for(order = 0; (1UL << order) < goal; order++)
/* NOTHING */;