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Diffstat (limited to 'net/ipv4/fib_trie.c')
-rw-r--r--net/ipv4/fib_trie.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index a573e37e0615..334f723bdf80 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -183,14 +183,16 @@ struct trie {
};
static struct key_vector *resize(struct trie *t, struct key_vector *tn);
-static size_t tnode_free_size;
+static unsigned int tnode_free_size;
/*
- * synchronize_rcu after call_rcu for that many pages; it should be especially
- * useful before resizing the root node with PREEMPT_NONE configs; the value was
- * obtained experimentally, aiming to avoid visible slowdown.
+ * synchronize_rcu after call_rcu for outstanding dirty memory; it should be
+ * especially useful before resizing the root node with PREEMPT_NONE configs;
+ * the value was obtained experimentally, aiming to avoid visible slowdown.
*/
-static const int sync_pages = 128;
+unsigned int sysctl_fib_sync_mem = 512 * 1024;
+unsigned int sysctl_fib_sync_mem_min = 64 * 1024;
+unsigned int sysctl_fib_sync_mem_max = 64 * 1024 * 1024;
static struct kmem_cache *fn_alias_kmem __ro_after_init;
static struct kmem_cache *trie_leaf_kmem __ro_after_init;
@@ -504,7 +506,7 @@ static void tnode_free(struct key_vector *tn)
tn = container_of(head, struct tnode, rcu)->kv;
}
- if (tnode_free_size >= PAGE_SIZE * sync_pages) {
+ if (tnode_free_size >= sysctl_fib_sync_mem) {
tnode_free_size = 0;
synchronize_rcu();
}
@@ -1468,19 +1470,17 @@ found:
if (fi->fib_flags & RTNH_F_DEAD)
continue;
for (nhsel = 0; nhsel < fi->fib_nhs; nhsel++) {
- const struct fib_nh *nh = &fi->fib_nh[nhsel];
- struct in_device *in_dev = __in_dev_get_rcu(nh->nh_dev);
+ struct fib_nh_common *nhc = fib_info_nhc(fi, nhsel);
- if (nh->nh_flags & RTNH_F_DEAD)
+ if (nhc->nhc_flags & RTNH_F_DEAD)
continue;
- if (in_dev &&
- IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev) &&
- nh->nh_flags & RTNH_F_LINKDOWN &&
+ if (ip_ignore_linkdown(nhc->nhc_dev) &&
+ nhc->nhc_flags & RTNH_F_LINKDOWN &&
!(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE))
continue;
if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) {
if (flp->flowi4_oif &&
- flp->flowi4_oif != nh->nh_oif)
+ flp->flowi4_oif != nhc->nhc_oif)
continue;
}
@@ -1490,6 +1490,7 @@ found:
res->prefix = htonl(n->key);
res->prefixlen = KEYLENGTH - fa->fa_slen;
res->nh_sel = nhsel;
+ res->nhc = nhc;
res->type = fa->fa_type;
res->scope = fi->fib_scope;
res->fi = fi;
@@ -1498,7 +1499,7 @@ found:
#ifdef CONFIG_IP_FIB_TRIE_STATS
this_cpu_inc(stats->semantic_match_passed);
#endif
- trace_fib_table_lookup(tb->tb_id, flp, nh, err);
+ trace_fib_table_lookup(tb->tb_id, flp, nhc, err);
return err;
}
@@ -2651,7 +2652,7 @@ static unsigned int fib_flag_trans(int type, __be32 mask, const struct fib_info
if (type == RTN_UNREACHABLE || type == RTN_PROHIBIT)
flags = RTF_REJECT;
- if (fi && fi->fib_nh->nh_gw)
+ if (fi && fi->fib_nh->fib_nh_gw4)
flags |= RTF_GATEWAY;
if (mask == htonl(0xFFFFFFFF))
flags |= RTF_HOST;
@@ -2702,7 +2703,7 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
"%d\t%08X\t%d\t%u\t%u",
fi->fib_dev ? fi->fib_dev->name : "*",
prefix,
- fi->fib_nh->nh_gw, flags, 0, 0,
+ fi->fib_nh->fib_nh_gw4, flags, 0, 0,
fi->fib_priority,
mask,
(fi->fib_advmss ?