[IPV6]: Convert ipv6 route to use the new dst_entry 'next' pointer
This patch removes the next pointer from 'struct rt6_info.u' union,
and renames u.next to u.dst.rt6_next.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index f90ab52..8c90248 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -298,7 +298,7 @@
int res;
struct rt6_info *rt;
- for (rt = w->leaf; rt; rt = rt->u.next) {
+ for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
res = rt6_dump_route(rt, w->args);
if (res < 0) {
/* Frame is full, suspend walking */
@@ -624,11 +624,11 @@
fn->leaf == &ip6_null_entry &&
!(rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) ){
fn->leaf = rt;
- rt->u.next = NULL;
+ rt->u.dst.rt6_next = NULL;
goto out;
}
- for (iter = fn->leaf; iter; iter=iter->u.next) {
+ for (iter = fn->leaf; iter; iter=iter->u.dst.rt6_next) {
/*
* Search for duplicates
*/
@@ -656,7 +656,7 @@
if (iter->rt6i_metric > rt->rt6i_metric)
break;
- ins = &iter->u.next;
+ ins = &iter->u.dst.rt6_next;
}
/*
@@ -664,7 +664,7 @@
*/
out:
- rt->u.next = iter;
+ rt->u.dst.rt6_next = iter;
*ins = rt;
rt->rt6i_node = fn;
atomic_inc(&rt->rt6i_ref);
@@ -1105,7 +1105,7 @@
RT6_TRACE("fib6_del_route\n");
/* Unlink it */
- *rtp = rt->u.next;
+ *rtp = rt->u.dst.rt6_next;
rt->rt6i_node = NULL;
rt6_stats.fib_rt_entries--;
rt6_stats.fib_discarded_routes++;
@@ -1115,14 +1115,14 @@
FOR_WALKERS(w) {
if (w->state == FWS_C && w->leaf == rt) {
RT6_TRACE("walker %p adjusted by delroute\n", w);
- w->leaf = rt->u.next;
+ w->leaf = rt->u.dst.rt6_next;
if (w->leaf == NULL)
w->state = FWS_U;
}
}
read_unlock(&fib6_walker_lock);
- rt->u.next = NULL;
+ rt->u.dst.rt6_next = NULL;
if (fn->leaf == NULL && fn->fn_flags&RTN_TL_ROOT)
fn->leaf = &ip6_null_entry;
@@ -1190,7 +1190,7 @@
* Walk the leaf entries looking for ourself
*/
- for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->u.next) {
+ for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->u.dst.rt6_next) {
if (*rtp == rt) {
fib6_del_route(fn, rtp, info);
return 0;
@@ -1317,7 +1317,7 @@
struct rt6_info *rt;
struct fib6_cleaner_t *c = (struct fib6_cleaner_t*)w;
- for (rt = w->leaf; rt; rt = rt->u.next) {
+ for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
res = c->func(rt, c->arg);
if (res < 0) {
w->leaf = rt;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index fc8448c..a415ac6 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -243,7 +243,7 @@
struct rt6_info *sprt;
if (oif) {
- for (sprt = rt; sprt; sprt = sprt->u.next) {
+ for (sprt = rt; sprt; sprt = sprt->u.dst.rt6_next) {
struct net_device *dev = sprt->rt6i_dev;
if (dev->ifindex == oif)
return sprt;
@@ -376,7 +376,7 @@
for (rt = rt0, metric = rt0->rt6i_metric;
rt && rt->rt6i_metric == metric && (!last || rt != rt0);
- rt = rt->u.next) {
+ rt = rt->u.dst.rt6_next) {
int m;
if (rt6_check_expired(rt))
@@ -404,9 +404,9 @@
/* no entries matched; do round-robin */
static DEFINE_SPINLOCK(lock);
spin_lock(&lock);
- *head = rt0->u.next;
- rt0->u.next = last->u.next;
- last->u.next = rt0;
+ *head = rt0->u.dst.rt6_next;
+ rt0->u.dst.rt6_next = last->u.dst.rt6_next;
+ last->u.dst.rt6_next = rt0;
spin_unlock(&lock);
}
@@ -1278,7 +1278,7 @@
&cfg->fc_src, cfg->fc_src_len);
if (fn) {
- for (rt = fn->leaf; rt; rt = rt->u.next) {
+ for (rt = fn->leaf; rt; rt = rt->u.dst.rt6_next) {
if (cfg->fc_ifindex &&
(rt->rt6i_dev == NULL ||
rt->rt6i_dev->ifindex != cfg->fc_ifindex))
@@ -1329,7 +1329,7 @@
read_lock_bh(&table->tb6_lock);
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
restart:
- for (rt = fn->leaf; rt; rt = rt->u.next) {
+ for (rt = fn->leaf; rt; rt = rt->u.dst.rt6_next) {
/*
* Current route is on-link; redirect is always invalid.
*
@@ -1590,7 +1590,7 @@
if (!fn)
goto out;
- for (rt = fn->leaf; rt; rt = rt->u.next) {
+ for (rt = fn->leaf; rt; rt = rt->u.dst.rt6_next) {
if (rt->rt6i_dev->ifindex != ifindex)
continue;
if ((rt->rt6i_flags & (RTF_ROUTEINFO|RTF_GATEWAY)) != (RTF_ROUTEINFO|RTF_GATEWAY))
@@ -1641,7 +1641,7 @@
return NULL;
write_lock_bh(&table->tb6_lock);
- for (rt = table->tb6_root.leaf; rt; rt=rt->u.next) {
+ for (rt = table->tb6_root.leaf; rt; rt=rt->u.dst.rt6_next) {
if (dev == rt->rt6i_dev &&
((rt->rt6i_flags & (RTF_ADDRCONF | RTF_DEFAULT)) == (RTF_ADDRCONF | RTF_DEFAULT)) &&
ipv6_addr_equal(&rt->rt6i_gateway, addr))
@@ -1684,7 +1684,7 @@
restart:
read_lock_bh(&table->tb6_lock);
- for (rt = table->tb6_root.leaf; rt; rt = rt->u.next) {
+ for (rt = table->tb6_root.leaf; rt; rt = rt->u.dst.rt6_next) {
if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) {
dst_hold(&rt->u.dst);
read_unlock_bh(&table->tb6_lock);