On 02/22/2016 02:21 PM, Jamal Hadi Salim wrote:
From: Jamal Hadi Salim <j...@mojatatu.com>
[...]
+static int skbprio_check(struct sk_buff *skb, struct tcf_meta_info *e)
+{
+ return check_meta_u32(skb->priority, e);
+}
+
+static int skbprio_encode(struct sk_buff *skb, void *skbdata,
+ struct tcf_meta_info *e)
+{
+ u32 ifeprio = skb->priority; /* avoid having to cast skb->priority*/
+
+ pr_emerg("encode skbprio %d\n", ifeprio);
Ditto ... and this for every packet on encap and decap ...
+ return encode_meta_u32(ifeprio, skbdata, e);
+}
+
+static int skbprio_decode(struct sk_buff *skb, void *data, u16 len)
+{
+ u32 ifeprio = *(u32 *) data;
+
+ skb->priority = ntohl(ifeprio);
+ pr_emerg("decode skbprio %d\n", skb->priority);
+ return 0;
+}
+
+static struct tcf_meta_ops ife_prio_ops = {
+ .metaid = IFE_META_PRIO,
+ .metatype = NLA_U32,
+ .name = "skbprio",
+ .synopsis = "skb prio metadata",
+ .check_presence = skbprio_check,
+ .encode = skbprio_encode,
+ .decode = skbprio_decode,
+ .get = get_meta_u32,
+ .alloc = alloc_meta_u32,
+ .owner = THIS_MODULE,
+};
+
+static int __init ifeprio_init_module(void)
+{
+ pr_info("Loaded IFE skb prio\n");
+ return register_ife_op(&ife_prio_ops);
+}
+
+static void __exit ifeprio_cleanup_module(void)
+{
+ unregister_ife_op(&ife_prio_ops);
+ pr_info("Unloaded IFE skb prio\n");
+}
+
+module_init(ifeprio_init_module);
+module_exit(ifeprio_cleanup_module);
+
+MODULE_AUTHOR("Jamal Hadi Salim(2015)");
+MODULE_DESCRIPTION("Inter-FE skb prio metadata action");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_IFE_META(IFE_META_PRIO);
