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ip6: pad RDNSS server expiry slightly to avoid hiccups (rh #590202)

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Pad the DNS server expiry somewhat to give a bit of slack in cases
where one RA gets lost or something (which can happen on unreliable
links like wifi where certain types of frames are not retransmitted).
This commit is contained in:
Dan Williams
2010-05-14 09:48:46 -07:00
parent 42eb1f38cc
commit 0b8ee13ee0
1 changed files with 6 additions and 1 deletions
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7
src/ip6-manager/nm-ip6-manager.c
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@@ -627,7 +627,12 @@ process_nduseropt (NMIP6Manager *manager, struct nl_msg *msg)
rdnss_opt = (struct nd_opt_rdnss *) opt;
server.expires = now + ntohl (rdnss_opt->nd_opt_rdnss_lifetime);
/* Pad the DNS server expiry somewhat to give a bit of slack in cases
* where one RA gets lost or something (which can happen on unreliable
* links like wifi where certain types of frames are not retransmitted).
*/
server.expires = now + ntohl (rdnss_opt->nd_opt_rdnss_lifetime) + 10;
for (addr = (struct in6_addr *) (rdnss_opt + 1); nd_opt_len >= 2; addr++, nd_opt_len -= 2) {
char buf[INET6_ADDRSTRLEN + 1];