aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv6/ip6_fib.c
diff options
context:
space:
mode:
authorDavid Ahern <dsahern@gmail.com>2018-04-18 15:38:59 -0700
committerDavid S. Miller <davem@davemloft.net>2018-04-19 15:40:12 -0400
commit93c2fb253d177a0b8f4f93592441f88c9b7d6245 (patch)
tree7cb2f0bd31d48780130b190fc0d81dfe4aa7db6d /net/ipv6/ip6_fib.c
parentnet: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends (diff)
downloadlinux-dev-93c2fb253d177a0b8f4f93592441f88c9b7d6245.tar.xz
linux-dev-93c2fb253d177a0b8f4f93592441f88c9b7d6245.zip
net/ipv6: Rename fib6_info struct elements
Change the prefix for fib6_info struct elements from rt6i_ to fib6_. rt6i_pcpu and rt6i_exception_bucket are left as is given that they point to rt6_info entries. Rename only; not functional change intended. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_fib.c')
-rw-r--r--net/ipv6/ip6_fib.c170
1 files changed, 85 insertions, 85 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 2ab49b7cac22..353f0b3e7b0d 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -105,12 +105,12 @@ enum {
FIB6_NO_SERNUM_CHANGE = 0,
};
-void fib6_update_sernum(struct net *net, struct fib6_info *rt)
+void fib6_update_sernum(struct net *net, struct fib6_info *f6i)
{
struct fib6_node *fn;
- fn = rcu_dereference_protected(rt->rt6i_node,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ fn = rcu_dereference_protected(f6i->fib6_node,
+ lockdep_is_held(&f6i->fib6_table->tb6_lock));
if (fn)
fn->fn_sernum = fib6_new_sernum(net);
}
@@ -159,10 +159,10 @@ struct fib6_info *fib6_info_alloc(gfp_t gfp_flags)
return NULL;
}
- INIT_LIST_HEAD(&f6i->rt6i_siblings);
+ INIT_LIST_HEAD(&f6i->fib6_siblings);
f6i->fib6_metrics = (struct dst_metrics *)&dst_default_metrics;
- atomic_inc(&f6i->rt6i_ref);
+ atomic_inc(&f6i->fib6_ref);
return f6i;
}
@@ -172,7 +172,7 @@ void fib6_info_destroy(struct fib6_info *f6i)
struct rt6_exception_bucket *bucket;
struct dst_metrics *m;
- WARN_ON(f6i->rt6i_node);
+ WARN_ON(f6i->fib6_node);
bucket = rcu_dereference_protected(f6i->rt6i_exception_bucket, 1);
if (bucket) {
@@ -197,8 +197,8 @@ void fib6_info_destroy(struct fib6_info *f6i)
}
}
- if (f6i->rt6i_idev)
- in6_dev_put(f6i->rt6i_idev);
+ if (f6i->fib6_idev)
+ in6_dev_put(f6i->fib6_idev);
if (f6i->fib6_nh.nh_dev)
dev_put(f6i->fib6_nh.nh_dev);
@@ -401,7 +401,7 @@ static int call_fib6_entry_notifiers(struct net *net,
.rt = rt,
};
- rt->rt6i_table->fib_seq++;
+ rt->fib6_table->fib_seq++;
return call_fib6_notifiers(net, event_type, &info.info);
}
@@ -483,10 +483,10 @@ static int fib6_dump_node(struct fib6_walker *w)
* last sibling of this route (no need to dump the
* sibling routes again)
*/
- if (rt->rt6i_nsiblings)
- rt = list_last_entry(&rt->rt6i_siblings,
+ if (rt->fib6_nsiblings)
+ rt = list_last_entry(&rt->fib6_siblings,
struct fib6_info,
- rt6i_siblings);
+ fib6_siblings);
}
w->leaf = NULL;
return 0;
@@ -810,7 +810,7 @@ insert_above:
RCU_INIT_POINTER(in->parent, pn);
in->leaf = fn->leaf;
atomic_inc(&rcu_dereference_protected(in->leaf,
- lockdep_is_held(&table->tb6_lock))->rt6i_ref);
+ lockdep_is_held(&table->tb6_lock))->fib6_ref);
/* update parent pointer */
if (dir)
@@ -865,9 +865,9 @@ insert_above:
static void fib6_purge_rt(struct fib6_info *rt, struct fib6_node *fn,
struct net *net)
{
- struct fib6_table *table = rt->rt6i_table;
+ struct fib6_table *table = rt->fib6_table;
- if (atomic_read(&rt->rt6i_ref) != 1) {
+ if (atomic_read(&rt->fib6_ref) != 1) {
/* This route is used as dummy address holder in some split
* nodes. It is not leaked, but it still holds other resources,
* which must be released in time. So, scan ascendant nodes
@@ -880,7 +880,7 @@ static void fib6_purge_rt(struct fib6_info *rt, struct fib6_node *fn,
struct fib6_info *new_leaf;
if (!(fn->fn_flags & RTN_RTINFO) && leaf == rt) {
new_leaf = fib6_find_prefix(net, table, fn);
- atomic_inc(&new_leaf->rt6i_ref);
+ atomic_inc(&new_leaf->fib6_ref);
rcu_assign_pointer(fn->leaf, new_leaf);
fib6_info_release(rt);
@@ -919,7 +919,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
struct netlink_ext_ack *extack)
{
struct fib6_info *leaf = rcu_dereference_protected(fn->leaf,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
struct fib6_info *iter = NULL;
struct fib6_info __rcu **ins;
struct fib6_info __rcu **fallback_ins = NULL;
@@ -939,12 +939,12 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
for (iter = leaf; iter;
iter = rcu_dereference_protected(iter->rt6_next,
- lockdep_is_held(&rt->rt6i_table->tb6_lock))) {
+ lockdep_is_held(&rt->fib6_table->tb6_lock))) {
/*
* Search for duplicates
*/
- if (iter->rt6i_metric == rt->rt6i_metric) {
+ if (iter->fib6_metric == rt->fib6_metric) {
/*
* Same priority level
*/
@@ -964,11 +964,11 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
}
if (rt6_duplicate_nexthop(iter, rt)) {
- if (rt->rt6i_nsiblings)
- rt->rt6i_nsiblings = 0;
- if (!(iter->rt6i_flags & RTF_EXPIRES))
+ if (rt->fib6_nsiblings)
+ rt->fib6_nsiblings = 0;
+ if (!(iter->fib6_flags & RTF_EXPIRES))
return -EEXIST;
- if (!(rt->rt6i_flags & RTF_EXPIRES))
+ if (!(rt->fib6_flags & RTF_EXPIRES))
fib6_clean_expires(iter);
else
fib6_set_expires(iter, rt->expires);
@@ -988,10 +988,10 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
*/
if (rt_can_ecmp &&
rt6_qualify_for_ecmp(iter))
- rt->rt6i_nsiblings++;
+ rt->fib6_nsiblings++;
}
- if (iter->rt6i_metric > rt->rt6i_metric)
+ if (iter->fib6_metric > rt->fib6_metric)
break;
next_iter:
@@ -1002,7 +1002,7 @@ next_iter:
/* No ECMP-able route found, replace first non-ECMP one */
ins = fallback_ins;
iter = rcu_dereference_protected(*ins,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
found++;
}
@@ -1011,34 +1011,34 @@ next_iter:
fn->rr_ptr = NULL;
/* Link this route to others same route. */
- if (rt->rt6i_nsiblings) {
- unsigned int rt6i_nsiblings;
+ if (rt->fib6_nsiblings) {
+ unsigned int fib6_nsiblings;
struct fib6_info *sibling, *temp_sibling;
/* Find the first route that have the same metric */
sibling = leaf;
while (sibling) {
- if (sibling->rt6i_metric == rt->rt6i_metric &&
+ if (sibling->fib6_metric == rt->fib6_metric &&
rt6_qualify_for_ecmp(sibling)) {
- list_add_tail(&rt->rt6i_siblings,
- &sibling->rt6i_siblings);
+ list_add_tail(&rt->fib6_siblings,
+ &sibling->fib6_siblings);
break;
}
sibling = rcu_dereference_protected(sibling->rt6_next,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
}
/* For each sibling in the list, increment the counter of
* siblings. BUG() if counters does not match, list of siblings
* is broken!
*/
- rt6i_nsiblings = 0;
+ fib6_nsiblings = 0;
list_for_each_entry_safe(sibling, temp_sibling,
- &rt->rt6i_siblings, rt6i_siblings) {
- sibling->rt6i_nsiblings++;
- BUG_ON(sibling->rt6i_nsiblings != rt->rt6i_nsiblings);
- rt6i_nsiblings++;
+ &rt->fib6_siblings, fib6_siblings) {
+ sibling->fib6_nsiblings++;
+ BUG_ON(sibling->fib6_nsiblings != rt->fib6_nsiblings);
+ fib6_nsiblings++;
}
- BUG_ON(rt6i_nsiblings != rt->rt6i_nsiblings);
+ BUG_ON(fib6_nsiblings != rt->fib6_nsiblings);
rt6_multipath_rebalance(temp_sibling);
}
@@ -1059,8 +1059,8 @@ add:
return err;
rcu_assign_pointer(rt->rt6_next, iter);
- atomic_inc(&rt->rt6i_ref);
- rcu_assign_pointer(rt->rt6i_node, fn);
+ atomic_inc(&rt->fib6_ref);
+ rcu_assign_pointer(rt->fib6_node, fn);
rcu_assign_pointer(*ins, rt);
if (!info->skip_notify)
inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags);
@@ -1087,8 +1087,8 @@ add:
if (err)
return err;
- atomic_inc(&rt->rt6i_ref);
- rcu_assign_pointer(rt->rt6i_node, fn);
+ atomic_inc(&rt->fib6_ref);
+ rcu_assign_pointer(rt->fib6_node, fn);
rt->rt6_next = iter->rt6_next;
rcu_assign_pointer(*ins, rt);
if (!info->skip_notify)
@@ -1097,8 +1097,8 @@ add:
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
- nsiblings = iter->rt6i_nsiblings;
- iter->rt6i_node = NULL;
+ nsiblings = iter->fib6_nsiblings;
+ iter->fib6_node = NULL;
fib6_purge_rt(iter, fn, info->nl_net);
if (rcu_access_pointer(fn->rr_ptr) == iter)
fn->rr_ptr = NULL;
@@ -1108,13 +1108,13 @@ add:
/* Replacing an ECMP route, remove all siblings */
ins = &rt->rt6_next;
iter = rcu_dereference_protected(*ins,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
while (iter) {
- if (iter->rt6i_metric > rt->rt6i_metric)
+ if (iter->fib6_metric > rt->fib6_metric)
break;
if (rt6_qualify_for_ecmp(iter)) {
*ins = iter->rt6_next;
- iter->rt6i_node = NULL;
+ iter->fib6_node = NULL;
fib6_purge_rt(iter, fn, info->nl_net);
if (rcu_access_pointer(fn->rr_ptr) == iter)
fn->rr_ptr = NULL;
@@ -1125,7 +1125,7 @@ add:
ins = &iter->rt6_next;
}
iter = rcu_dereference_protected(*ins,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
}
WARN_ON(nsiblings != 0);
}
@@ -1137,7 +1137,7 @@ add:
static void fib6_start_gc(struct net *net, struct fib6_info *rt)
{
if (!timer_pending(&net->ipv6.ip6_fib_timer) &&
- (rt->rt6i_flags & RTF_EXPIRES))
+ (rt->fib6_flags & RTF_EXPIRES))
mod_timer(&net->ipv6.ip6_fib_timer,
jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
}
@@ -1152,15 +1152,15 @@ void fib6_force_start_gc(struct net *net)
static void __fib6_update_sernum_upto_root(struct fib6_info *rt,
int sernum)
{
- struct fib6_node *fn = rcu_dereference_protected(rt->rt6i_node,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ struct fib6_node *fn = rcu_dereference_protected(rt->fib6_node,
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
/* paired with smp_rmb() in rt6_get_cookie_safe() */
smp_wmb();
while (fn) {
fn->fn_sernum = sernum;
fn = rcu_dereference_protected(fn->parent,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
}
}
@@ -1179,7 +1179,7 @@ void fib6_update_sernum_upto_root(struct net *net, struct fib6_info *rt)
int fib6_add(struct fib6_node *root, struct fib6_info *rt,
struct nl_info *info, struct netlink_ext_ack *extack)
{
- struct fib6_table *table = rt->rt6i_table;
+ struct fib6_table *table = rt->fib6_table;
struct fib6_node *fn, *pn = NULL;
int err = -ENOMEM;
int allow_create = 1;
@@ -1196,8 +1196,8 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
pr_warn("RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE\n");
fn = fib6_add_1(info->nl_net, table, root,
- &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
- offsetof(struct fib6_info, rt6i_dst), allow_create,
+ &rt->fib6_dst.addr, rt->fib6_dst.plen,
+ offsetof(struct fib6_info, fib6_dst), allow_create,
replace_required, extack);
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
@@ -1208,7 +1208,7 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
pn = fn;
#ifdef CONFIG_IPV6_SUBTREES
- if (rt->rt6i_src.plen) {
+ if (rt->fib6_src.plen) {
struct fib6_node *sn;
if (!rcu_access_pointer(fn->subtree)) {
@@ -1229,7 +1229,7 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
if (!sfn)
goto failure;
- atomic_inc(&info->nl_net->ipv6.fib6_null_entry->rt6i_ref);
+ atomic_inc(&info->nl_net->ipv6.fib6_null_entry->fib6_ref);
rcu_assign_pointer(sfn->leaf,
info->nl_net->ipv6.fib6_null_entry);
sfn->fn_flags = RTN_ROOT;
@@ -1237,8 +1237,8 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
/* Now add the first leaf node to new subtree */
sn = fib6_add_1(info->nl_net, table, sfn,
- &rt->rt6i_src.addr, rt->rt6i_src.plen,
- offsetof(struct fib6_info, rt6i_src),
+ &rt->fib6_src.addr, rt->fib6_src.plen,
+ offsetof(struct fib6_info, fib6_src),
allow_create, replace_required, extack);
if (IS_ERR(sn)) {
@@ -1256,8 +1256,8 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
rcu_assign_pointer(fn->subtree, sfn);
} else {
sn = fib6_add_1(info->nl_net, table, FIB6_SUBTREE(fn),
- &rt->rt6i_src.addr, rt->rt6i_src.plen,
- offsetof(struct fib6_info, rt6i_src),
+ &rt->fib6_src.addr, rt->fib6_src.plen,
+ offsetof(struct fib6_info, fib6_src),
allow_create, replace_required, extack);
if (IS_ERR(sn)) {
@@ -1272,7 +1272,7 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
rcu_assign_pointer(fn->leaf,
info->nl_net->ipv6.fib6_null_entry);
} else {
- atomic_inc(&rt->rt6i_ref);
+ atomic_inc(&rt->fib6_ref);
rcu_assign_pointer(fn->leaf, rt);
}
}
@@ -1421,12 +1421,12 @@ struct fib6_node *fib6_lookup(struct fib6_node *root, const struct in6_addr *dad
struct fib6_node *fn;
struct lookup_args args[] = {
{
- .offset = offsetof(struct fib6_info, rt6i_dst),
+ .offset = offsetof(struct fib6_info, fib6_dst),
.addr = daddr,
},
#ifdef CONFIG_IPV6_SUBTREES
{
- .offset = offsetof(struct fib6_info, rt6i_src),
+ .offset = offsetof(struct fib6_info, fib6_src),
.addr = saddr,
},
#endif
@@ -1511,7 +1511,7 @@ struct fib6_node *fib6_locate(struct fib6_node *root,
struct fib6_node *fn;
fn = fib6_locate_1(root, daddr, dst_len,
- offsetof(struct fib6_info, rt6i_dst),
+ offsetof(struct fib6_info, fib6_dst),
exact_match);
#ifdef CONFIG_IPV6_SUBTREES
@@ -1522,7 +1522,7 @@ struct fib6_node *fib6_locate(struct fib6_node *root,
if (subtree) {
fn = fib6_locate_1(subtree, saddr, src_len,
- offsetof(struct fib6_info, rt6i_src),
+ offsetof(struct fib6_info, fib6_src),
exact_match);
}
}
@@ -1706,7 +1706,7 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
/* Unlink it */
*rtp = rt->rt6_next;
- rt->rt6i_node = NULL;
+ rt->fib6_node = NULL;
net->ipv6.rt6_stats->fib_rt_entries--;
net->ipv6.rt6_stats->fib_discarded_routes++;
@@ -1718,14 +1718,14 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
fn->rr_ptr = NULL;
/* Remove this entry from other siblings */
- if (rt->rt6i_nsiblings) {
+ if (rt->fib6_nsiblings) {
struct fib6_info *sibling, *next_sibling;
list_for_each_entry_safe(sibling, next_sibling,
- &rt->rt6i_siblings, rt6i_siblings)
- sibling->rt6i_nsiblings--;
- rt->rt6i_nsiblings = 0;
- list_del_init(&rt->rt6i_siblings);
+ &rt->fib6_siblings, fib6_siblings)
+ sibling->fib6_nsiblings--;
+ rt->fib6_nsiblings = 0;
+ list_del_init(&rt->fib6_siblings);
rt6_multipath_rebalance(next_sibling);
}
@@ -1765,9 +1765,9 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
/* Need to own table->tb6_lock */
int fib6_del(struct fib6_info *rt, struct nl_info *info)
{
- struct fib6_node *fn = rcu_dereference_protected(rt->rt6i_node,
- lockdep_is_held(&rt->rt6i_table->tb6_lock));
- struct fib6_table *table = rt->rt6i_table;
+ struct fib6_node *fn = rcu_dereference_protected(rt->fib6_node,
+ lockdep_is_held(&rt->fib6_table->tb6_lock));
+ struct fib6_table *table = rt->fib6_table;
struct net *net = info->nl_net;
struct fib6_info __rcu **rtp;
struct fib6_info __rcu **rtp_next;
@@ -1951,17 +1951,17 @@ static int fib6_clean_node(struct fib6_walker *w)
#if RT6_DEBUG >= 2
pr_debug("%s: del failed: rt=%p@%p err=%d\n",
__func__, rt,
- rcu_access_pointer(rt->rt6i_node),
+ rcu_access_pointer(rt->fib6_node),
res);
#endif
continue;
}
return 0;
} else if (res == -2) {
- if (WARN_ON(!rt->rt6i_nsiblings))
+ if (WARN_ON(!rt->fib6_nsiblings))
continue;
- rt = list_last_entry(&rt->rt6i_siblings,
- struct fib6_info, rt6i_siblings);
+ rt = list_last_entry(&rt->fib6_siblings,
+ struct fib6_info, fib6_siblings);
continue;
}
WARN_ON(res != 0);
@@ -2045,7 +2045,7 @@ static int fib6_age(struct fib6_info *rt, void *arg)
* Routes are expired even if they are in use.
*/
- if (rt->rt6i_flags & RTF_EXPIRES && rt->expires) {
+ if (rt->fib6_flags & RTF_EXPIRES && rt->expires) {
if (time_after(now, rt->expires)) {
RT6_TRACE("expiring %p\n", rt);
return -1;
@@ -2243,22 +2243,22 @@ static int ipv6_route_seq_show(struct seq_file *seq, void *v)
struct ipv6_route_iter *iter = seq->private;
const struct net_device *dev;
- seq_printf(seq, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
+ seq_printf(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen);
#ifdef CONFIG_IPV6_SUBTREES
- seq_printf(seq, "%pi6 %02x ", &rt->rt6i_src.addr, rt->rt6i_src.plen);
+ seq_printf(seq, "%pi6 %02x ", &rt->fib6_src.addr, rt->fib6_src.plen);
#else
seq_puts(seq, "00000000000000000000000000000000 00 ");
#endif
- if (rt->rt6i_flags & RTF_GATEWAY)
+ if (rt->fib6_flags & RTF_GATEWAY)
seq_printf(seq, "%pi6", &rt->fib6_nh.nh_gw);
else
seq_puts(seq, "00000000000000000000000000000000");
dev = rt->fib6_nh.nh_dev;
seq_printf(seq, " %08x %08x %08x %08x %8s\n",
- rt->rt6i_metric, atomic_read(&rt->rt6i_ref), 0,
- rt->rt6i_flags, dev ? dev->name : "");
+ rt->fib6_metric, atomic_read(&rt->fib6_ref), 0,
+ rt->fib6_flags, dev ? dev->name : "");
iter->w.leaf = NULL;
return 0;
}