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| author | Daniel Mack <daniel@zonque.org> | 2015-08-25 14:08:29 +0200 |
|---|---|---|
| committer | Daniel Mack <daniel@zonque.org> | 2015-12-08 16:41:45 +0100 |
| commit | ea12bcc78911fd3531955a799dbf6c5ac33bf567 (patch) | |
| tree | ceba1d11e5edcec63119badd465d785786379309 /src/resolve/resolved-dns-transaction.h | |
| parent | b4f1862df2e45aba90386887d685b8bf3c840e10 (diff) | |
resolved: add mDNS initial jitter
The logic is to kick off mDNS packets in a delayed way is mostly identical
to what LLMNR needs, except that the constants are different.
Diffstat (limited to 'src/resolve/resolved-dns-transaction.h')
| -rw-r--r-- | src/resolve/resolved-dns-transaction.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-transaction.h b/src/resolve/resolved-dns-transaction.h index a3058ce6e8..1d445ffee7 100644 --- a/src/resolve/resolved-dns-transaction.h +++ b/src/resolve/resolved-dns-transaction.h @@ -119,6 +119,10 @@ DnsTransactionSource dns_transaction_source_from_string(const char *s) _pure_; /* LLMNR Jitter interval, see RFC 4795 Section 7 */ #define LLMNR_JITTER_INTERVAL_USEC (100 * USEC_PER_MSEC) +/* mDNS Jitter interval, see RFC 6762 Section 5.2 */ +#define MDNS_JITTER_MIN_USEC (20 * USEC_PER_MSEC) +#define MDNS_JITTER_RANGE_USEC (100 * USEC_PER_MSEC) + /* Maximum attempts to send DNS requests, across all DNS servers */ #define DNS_TRANSACTION_ATTEMPTS_MAX 16 |