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authorFilip Tehlar <ftehlar@cisco.com>2017-07-27 08:09:14 +0200
committerFlorin Coras <florin.coras@gmail.com>2017-08-07 14:53:56 +0000
commit7048ff1e3af7a3979a9134cbbb8157df8e1a8a53 (patch)
tree1ceae1bac11b6e0fab2193ce18174e2dee411a08 /src/vnet/lisp-cp/control.h
parent94384e4d3a4143578d5140c386188fd389754ebf (diff)
LISP: Map-server fallback feature
Change-Id: I1356296e1a85b5d532f45ba70572b2184ac3f6fb Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/vnet/lisp-cp/control.h')
-rw-r--r--src/vnet/lisp-cp/control.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/vnet/lisp-cp/control.h b/src/vnet/lisp-cp/control.h
index d030e588821..7b0380fbc0a 100644
--- a/src/vnet/lisp-cp/control.h
+++ b/src/vnet/lisp-cp/control.h
@@ -25,18 +25,22 @@
#define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */
#define PENDING_MREQ_QUEUE_LEN 5
-#define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */
#define RLOC_PROBING_INTERVAL 60.0
/* when map-registration is enabled "quick registration" takes place first.
In this mode ETR sends map-register messages at an increased frequency
until specified message count is reached */
-#define QUICK_MAP_REGISTER_MSG_COUNT 3
+#define QUICK_MAP_REGISTER_MSG_COUNT 5
#define QUICK_MAP_REGISTER_INTERVAL 3.0
/* normal map-register period */
#define MAP_REGISTER_INTERVAL 60.0
+/* how many tries until next map-server election */
+#define MAX_EXPIRED_MAP_REGISTERS_DEFAULT 3
+
+#define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */
+
/* 24 hours */
#define MAP_REGISTER_DEFAULT_TTL 86400
@@ -53,6 +57,11 @@ typedef struct
typedef struct
{
+ f64 time_to_expire;
+} pending_map_register_t;
+
+typedef struct
+{
gid_address_t leid;
gid_address_t reid;
u8 is_src_dst;
@@ -180,6 +189,9 @@ typedef struct
/* pool of pending map requests */
pending_map_request_t *pending_map_requests_pool;
+ /* pool of pending map registers */
+ pending_map_register_t *pending_map_registers_pool;
+
/* hash map of sent map register messages */
uword *map_register_messages_by_nonce;
@@ -194,8 +206,10 @@ typedef struct
* since the vector may be modified during request resend/retry procedure
* and break things :-) */
ip_address_t active_map_resolver;
+ ip_address_t active_map_server;
u8 do_map_resolver_election;
+ u8 do_map_server_election;
/* map-request locator set index */
u32 mreq_itr_rlocs;
@@ -241,6 +255,10 @@ typedef struct
/* TTL used for all mappings when registering */
u32 map_register_ttl;
+ /* control variables for map server election */
+ u32 max_expired_map_registers;
+ u32 expired_map_registers;
+
/* commodity */
ip4_main_t *im4;
ip6_main_t *im6;
@@ -367,6 +385,8 @@ lisp_api_l2_arp_entry_t *vnet_lisp_l2_arp_entries_get_by_bd (u32 bd);
int vnet_lisp_nsh_set_locator_set (u8 * locator_set_name, u8 is_add);
int vnet_lisp_map_register_set_ttl (u32 ttl);
u32 vnet_lisp_map_register_get_ttl (void);
+int vnet_lisp_map_register_fallback_threshold_set (u32 value);
+u32 vnet_lisp_map_register_fallback_threshold_get (void);
map_records_arg_t *parse_map_reply (vlib_buffer_t * b);