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| author | Rafael Vanoni <rafael.vanoni@sun.com> | 2009-11-13 01:32:32 -0800 |
|---|---|---|
| committer | Rafael Vanoni <rafael.vanoni@sun.com> | 2009-11-13 01:32:32 -0800 |
| commit | d3d50737e566cade9a08d73d2af95105ac7cd960 (patch) | |
| tree | 399b76a3f6bf107e2ff506d8f9c3333654b29fc7 /usr/src/uts/common/inet/ip/ip6_output.c | |
| parent | 1eff5f7761619411b3c31280fcd96cefc32968b7 (diff) | |
| download | illumos-joyent-d3d50737e566cade9a08d73d2af95105ac7cd960.tar.gz | |
PSARC/2009/396 Tickless Kernel Architecture / lbolt decoupling
6860030 tickless clock requires a clock() decoupled lbolt / lbolt64
Portions contributed by Chad Mynhier <cmynhier@gmail.com>
Diffstat (limited to 'usr/src/uts/common/inet/ip/ip6_output.c')
| -rw-r--r-- | usr/src/uts/common/inet/ip/ip6_output.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr/src/uts/common/inet/ip/ip6_output.c b/usr/src/uts/common/inet/ip/ip6_output.c index 3e06050781..31b7a54868 100644 --- a/usr/src/uts/common/inet/ip/ip6_output.c +++ b/usr/src/uts/common/inet/ip/ip6_output.c @@ -118,6 +118,7 @@ ip_output_simple_v6(mblk_t *mp, ip_xmit_attr_t *ixa) boolean_t repeat = B_FALSE; boolean_t multirt = B_FALSE; uint_t ifindex; + int64_t now; ip6h = (ip6_t *)mp->b_rptr; ASSERT(IPH_HDR_VERSION(ip6h) == IPV6_VERSION); @@ -237,14 +238,15 @@ repeat_ire: * To avoid a periodic timer to increase the path MTU we * look at dce_last_change_time each time we send a packet. */ - if (TICK_TO_SEC(lbolt64) - dce->dce_last_change_time > + now = ddi_get_lbolt64(); + if (TICK_TO_SEC(now) - dce->dce_last_change_time > ipst->ips_ip_pathmtu_interval) { /* * Older than 20 minutes. Drop the path MTU information. */ mutex_enter(&dce->dce_lock); dce->dce_flags &= ~(DCEF_PMTU|DCEF_TOO_SMALL_PMTU); - dce->dce_last_change_time = TICK_TO_SEC(lbolt64); + dce->dce_last_change_time = TICK_TO_SEC(now); mutex_exit(&dce->dce_lock); dce_increment_generation(dce); ixa->ixa_fragsize = ip_get_base_mtu(nce->nce_ill, ire); |