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autoip: Make max-conflics and rate-limit configurable

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These constants are defined in RFC-3927 (10 conflicts before rate
limiting and 60 seconds between attempts) and are not intended to be
configurable. We cannot pass BCT without adjusting these params, though.

Ref IDF-4843
This commit is contained in:
David Cermak
2019-10-07 15:46:59 +02:00
parent 771421c863
commit 9752eb5f98
1 changed files with 5 additions and 0 deletions
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src/include/lwip/prot/autoip.h
+5
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@@ -59,8 +59,13 @@ extern "C" {
#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
#if ESP_LWIP
#define MAX_CONFLICTS LWIP_AUTOIP_MAX_CONFLICTS /* (max conflicts before rate limiting) */
#define RATE_LIMIT_INTERVAL LWIP_AUTOIP_RATE_LIMIT_INTERVAL /* seconds (delay between successive attempts) */
#else
#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
#endif
#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
/* AutoIP client states */