[ovs-dev] [PATCH] mac-learning: Implement per-port MAC learning fairness.
Alex Wang
alexw at nicira.com
Thu Feb 12 19:02:06 UTC 2015
Looks good to me,
/* A MAC learning table entry.
> - * Guarded by owning 'mac_learning''s rwlock */
> + * Guarded by owning 'mac_learning''s rwlock. */
> struct mac_entry {
> struct hmap_node hmap_node; /* Node in a mac_learning hmap. */
> time_t expires; /* Expiration time. */
> @@ -47,14 +108,30 @@ struct mac_entry {
> uint16_t vlan; /* VLAN tag. */
>
> /* The following are marked guarded to prevent users from iterating
> over or
> - * accessing a mac_entry without hodling the parent mac_learning
> rwlock. */
> + * accessing a mac_entry without holding the parent mac_learning
> rwlock. */
> struct ovs_list lru_node OVS_GUARDED; /* Element in 'lrus' list. */
>
> - /* Learned port. */
> - union {
> - void *p;
> - ofp_port_t ofp_port;
> - } port OVS_GUARDED;
> + /* Learned port.
> + *
> + * The client-specified data is mlport->port. */
> + struct mac_learning_port *mlport;
>
Simple C question, why don't we need to forward declare the struct
'mac_learning_port'?
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