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| author | Ben Pfaff <blp@nicira.com> | 2012-12-08 12:32:33 -0800 |
|---|---|---|
| committer | Ben Pfaff <blp@nicira.com> | 2012-12-08 12:33:30 -0800 |
| commit | c4069512603ea753576911da052b3f233026886d (patch) | |
| tree | 17d6c910dc43a956dc0063d1ce9980719144e7cf /lib/mac-learning.h | |
| parent | 93161ce9491e5399ceaf0e47e47a3eedf1b9be4c (diff) | |
| download | openvswitch-c4069512603ea753576911da052b3f233026886d.tar.gz | |
vswitchd: Make the maximum size of MAC learning tables user-configurable.
We've had a couple of requests for this over the years. It's easy to do,
so let's implement it.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Kyle Mestery <kmestery@cisco.com>
Diffstat (limited to 'lib/mac-learning.h')
| -rw-r--r-- | lib/mac-learning.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/mac-learning.h b/lib/mac-learning.h index 8f8fd4587..284e7f636 100644 --- a/lib/mac-learning.h +++ b/lib/mac-learning.h @@ -26,7 +26,8 @@ struct mac_learning; -#define MAC_MAX 2048 +/* Default maximum size of a MAC learning table, in entries. */ +#define MAC_DEFAULT_MAX 2048 /* Time, in seconds, before expiring a mac_entry due to inactivity. */ #define MAC_ENTRY_DEFAULT_IDLE_TIME 300 @@ -83,6 +84,7 @@ struct mac_learning { uint32_t secret; /* Secret for randomizing hash table. */ unsigned long *flood_vlans; /* Bitmap of learning disabled VLANs. */ unsigned int idle_time; /* Max age before deleting an entry. */ + size_t max_entries; /* Max number of learned MACs. */ }; /* Basics. */ @@ -96,6 +98,7 @@ void mac_learning_wait(struct mac_learning *); bool mac_learning_set_flood_vlans(struct mac_learning *, const unsigned long *bitmap); void mac_learning_set_idle_time(struct mac_learning *, unsigned int idle_time); +void mac_learning_set_max_entries(struct mac_learning *, size_t max_entries); /* Learning. */ bool mac_learning_may_learn(const struct mac_learning *, |