datapath: Constify various function arguments

[cascardo/ovs.git] / datapath / actions.c

diff --git a/datapath/actions.c b/datapath/actions.c
index c3f9427..b527cb6 100644 (file)
--- a/datapath/actions.c
+++ b/datapath/actions.c
@@ -71,7 +71,7 @@ static void action_fifo_init(struct action_fifo *fifo)
        fifo->tail = 0;
 }
 
-static bool action_fifo_is_empty(struct action_fifo *fifo)
+static bool action_fifo_is_empty(const struct action_fifo *fifo)
 {
        return (fifo->head == fifo->tail);
 }
@@ -94,7 +94,7 @@ static struct deferred_action *action_fifo_put(struct action_fifo *fifo)
 
 /* Return queue entry if fifo is not full */
 static struct deferred_action *add_deferred_actions(struct sk_buff *skb,
-                                                   struct sw_flow_key *key,
+                                                   const struct sw_flow_key *key,
                                                    const struct nlattr *attr)
 {
        struct action_fifo *fifo;
@@ -116,7 +116,7 @@ static void invalidate_flow_key(struct sw_flow_key *key)
        key->eth.type = htons(0);
 }
 
-static bool is_flow_key_valid(struct sw_flow_key *key)
+static bool is_flow_key_valid(const struct sw_flow_key *key)
 {
        return !!key->eth.type;
 }
@@ -956,7 +956,8 @@ static void process_deferred_actions(struct datapath *dp)
 
 /* Execute a list of actions against 'skb'. */
 int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb,
-                       struct sw_flow_key *key, struct sw_flow_actions *acts)
+                       struct sw_flow_key *key,
+                       const struct sw_flow_actions *acts)
 {
        int level = this_cpu_read(exec_actions_level);
        int err;