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authorMartin KaFai Lau <kafai@fb.com>2015-09-15 14:30:06 -0700
committerDavid S. Miller <davem@davemloft.net>2015-09-15 14:53:04 -0700
commitf230d1e891ba1da5953460516960894154f265db (patch)
tree67ee847edff1bfc30050c08ba8aa6b8720adc65e
parenta3c119d392d7d7c68865fe76f5732ca9b8164d68 (diff)
downloadop-kernel-dev-f230d1e891ba1da5953460516960894154f265db.zip
op-kernel-dev-f230d1e891ba1da5953460516960894154f265db.tar.gz
ipv6: Rename the dst_cache helper functions in ip6_tunnel
It is a prep work to fix the dst_entry refcnt bugs in ip6_tunnel. This patch rename: 1. ip6_tnl_dst_check() to ip6_tnl_dst_get() to better reflect that it will take a dst refcnt in the next patch. 2. ip6_tnl_dst_store() to ip6_tnl_dst_set() to have a more conventional name matching with ip6_tnl_dst_get(). Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/ip6_tunnel.h4
-rw-r--r--net/ipv6/ip6_gre.c4
-rw-r--r--net/ipv6/ip6_tunnel.c12
3 files changed, 10 insertions, 10 deletions
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index b8529aa..979b081 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -60,9 +60,9 @@ struct ipv6_tlv_tnl_enc_lim {
__u8 encap_limit; /* tunnel encapsulation limit */
} __packed;
-struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t);
+struct dst_entry *ip6_tnl_dst_get(struct ip6_tnl *t);
void ip6_tnl_dst_reset(struct ip6_tnl *t);
-void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst);
+void ip6_tnl_dst_set(struct ip6_tnl *t, struct dst_entry *dst);
int ip6_tnl_rcv_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
const struct in6_addr *raddr);
int ip6_tnl_xmit_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index af60d46..24f5dd8 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -634,7 +634,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
}
if (!fl6->flowi6_mark)
- dst = ip6_tnl_dst_check(tunnel);
+ dst = ip6_tnl_dst_get(tunnel);
if (!dst) {
ndst = ip6_route_output(net, NULL, fl6);
@@ -763,7 +763,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
ip6tunnel_xmit(NULL, skb, dev);
if (ndst)
- ip6_tnl_dst_store(tunnel, ndst);
+ ip6_tnl_dst_set(tunnel, ndst);
return 0;
tx_err_link_failure:
stats->tx_carrier_errors++;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b0ab420..599b0b4 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -126,7 +126,7 @@ static struct net_device_stats *ip6_get_stats(struct net_device *dev)
* Locking : hash tables are protected by RCU and RTNL
*/
-struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
+struct dst_entry *ip6_tnl_dst_get(struct ip6_tnl *t)
{
struct dst_entry *dst = t->dst_cache;
@@ -139,7 +139,7 @@ struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
return dst;
}
-EXPORT_SYMBOL_GPL(ip6_tnl_dst_check);
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_get);
void ip6_tnl_dst_reset(struct ip6_tnl *t)
{
@@ -148,14 +148,14 @@ void ip6_tnl_dst_reset(struct ip6_tnl *t)
}
EXPORT_SYMBOL_GPL(ip6_tnl_dst_reset);
-void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
+void ip6_tnl_dst_set(struct ip6_tnl *t, struct dst_entry *dst)
{
struct rt6_info *rt = (struct rt6_info *) dst;
t->dst_cookie = rt6_get_cookie(rt);
dst_release(t->dst_cache);
t->dst_cache = dst;
}
-EXPORT_SYMBOL_GPL(ip6_tnl_dst_store);
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_set);
/**
* ip6_tnl_lookup - fetch tunnel matching the end-point addresses
@@ -1010,7 +1010,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
neigh_release(neigh);
} else if (!fl6->flowi6_mark)
- dst = ip6_tnl_dst_check(t);
+ dst = ip6_tnl_dst_get(t);
if (!ip6_tnl_xmit_ctl(t, &fl6->saddr, &fl6->daddr))
goto tx_err_link_failure;
@@ -1102,7 +1102,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
ipv6h->daddr = fl6->daddr;
ip6tunnel_xmit(NULL, skb, dev);
if (ndst)
- ip6_tnl_dst_store(t, ndst);
+ ip6_tnl_dst_set(t, ndst);
return 0;
tx_err_link_failure:
stats->tx_carrier_errors++;
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