openvswitch: Constify various function arguments
Help produce better optimized code.
Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 543b358..9e0a787 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -53,7 +53,7 @@
struct ovs_tunnel_info {
struct ovs_key_ipv4_tunnel tunnel;
- struct geneve_opt *options;
+ const struct geneve_opt *options;
u8 options_len;
};
@@ -73,7 +73,7 @@
__be16 tp_dst,
__be64 tun_id,
__be16 tun_flags,
- struct geneve_opt *opts,
+ const struct geneve_opt *opts,
u8 opts_len)
{
tun_info->tunnel.tun_id = tun_id;
@@ -105,7 +105,7 @@
__be16 tp_dst,
__be64 tun_id,
__be16 tun_flags,
- struct geneve_opt *opts,
+ const struct geneve_opt *opts,
u8 opts_len)
{
__ovs_flow_tun_info_init(tun_info, iph->saddr, iph->daddr,
@@ -244,14 +244,15 @@
} __packed;
void ovs_flow_stats_update(struct sw_flow *, __be16 tcp_flags,
- struct sk_buff *);
+ const struct sk_buff *);
void ovs_flow_stats_get(const struct sw_flow *, struct ovs_flow_stats *,
unsigned long *used, __be16 *tcp_flags);
void ovs_flow_stats_clear(struct sw_flow *);
u64 ovs_flow_used_time(unsigned long flow_jiffies);
int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key);
-int ovs_flow_key_extract(struct ovs_tunnel_info *tun_info, struct sk_buff *skb,
+int ovs_flow_key_extract(const struct ovs_tunnel_info *tun_info,
+ struct sk_buff *skb,
struct sw_flow_key *key);
/* Extract key from packet coming from userspace. */
int ovs_flow_key_extract_userspace(const struct nlattr *attr,