X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fmac-learning.h;h=0263e4987deba8b7c08fc0f9a6a094bbba4756d2;hb=ee9bed06cd2794ced29190b6c6539993159d76f5;hp=4930d0bb314135a1f8de9ebf29d50b469b5dd931;hpb=1648ddd7c18dab974efae3a007591b6479e3c053;p=sliver-openvswitch.git diff --git a/lib/mac-learning.h b/lib/mac-learning.h index 4930d0bb3..0263e4987 100644 --- a/lib/mac-learning.h +++ b/lib/mac-learning.h @@ -18,15 +18,12 @@ #define MAC_LEARNING_H 1 #include +#include "hmap.h" #include "list.h" #include "packets.h" #include "tag.h" #include "timeval.h" -#define MAC_HASH_BITS 10 -#define MAC_HASH_MASK (MAC_HASH_SIZE - 1) -#define MAC_HASH_SIZE (1u << MAC_HASH_BITS) - #define MAC_MAX 2048 /* Time, in seconds, before expiring a mac_entry due to inactivity. */ @@ -38,8 +35,8 @@ /* A MAC learning table entry. */ struct mac_entry { - struct list hash_node; /* Element in a mac_learning 'table' list. */ - struct list lru_node; /* Element in 'lrus' or 'free' list. */ + struct hmap_node hmap_node; /* Node in a mac_learning hmap. */ + struct list lru_node; /* Element in 'lrus' list. */ time_t expires; /* Expiration time. */ time_t grat_arp_lock; /* Gratuitous ARP lock expiration time. */ uint8_t mac[ETH_ADDR_LEN]; /* Known MAC address. */ @@ -73,16 +70,14 @@ static inline void mac_entry_set_grat_arp_lock(struct mac_entry *mac) * has ever been asserted or if it has expired. */ static inline bool mac_entry_is_grat_arp_locked(const struct mac_entry *mac) { - return time_now() >= mac->grat_arp_lock; + return time_now() < mac->grat_arp_lock; } /* MAC learning table. */ struct mac_learning { - struct list free; /* Not-in-use entries. */ + struct hmap table; /* Learning table. */ struct list lrus; /* In-use entries, least recently used at the front, most recently used at the back. */ - struct list table[MAC_HASH_SIZE]; /* Hash table. */ - struct mac_entry entries[MAC_MAX]; /* All entries. */ uint32_t secret; /* Secret for randomizing hash table. */ unsigned long *flood_vlans; /* Bitmap of learning disabled VLANs. */ }; @@ -96,7 +91,7 @@ void mac_learning_wait(struct mac_learning *); /* Configuration. */ bool mac_learning_set_flood_vlans(struct mac_learning *, - unsigned long *bitmap); + const unsigned long *bitmap); /* Learning. */ bool mac_learning_may_learn(const struct mac_learning *, @@ -113,6 +108,7 @@ struct mac_entry *mac_learning_lookup(const struct mac_learning *, uint16_t vlan, tag_type *); /* Flushing. */ +void mac_learning_expire(struct mac_learning *, struct mac_entry *); void mac_learning_flush(struct mac_learning *); #endif /* mac-learning.h */