diff options
author | np <np@FreeBSD.org> | 2012-04-30 09:46:05 +0000 |
---|---|---|
committer | np <np@FreeBSD.org> | 2012-04-30 09:46:05 +0000 |
commit | 45cd6b589c22e31ca23e6ee1ed1c77b36bf8f7d2 (patch) | |
tree | ba4150fc828a4416aaba0c1423b845e14c05e8b5 /share/man/man4/cxgbe.4 | |
parent | e42771f14b28a959f5c15165f5047db0314f9d98 (diff) | |
download | FreeBSD-src-45cd6b589c22e31ca23e6ee1ed1c77b36bf8f7d2.zip FreeBSD-src-45cd6b589c22e31ca23e6ee1ed1c77b36bf8f7d2.tar.gz |
Change the default to not use packet counters to generate rx interrupts.
Rely solely on the timer based mechanism.
Update man page to reflect this change.
MFC after: 1 week
Diffstat (limited to 'share/man/man4/cxgbe.4')
-rw-r--r-- | share/man/man4/cxgbe.4 | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/share/man/man4/cxgbe.4 b/share/man/man4/cxgbe.4 index 88d42e3..a84ae55 100644 --- a/share/man/man4/cxgbe.4 +++ b/share/man/man4/cxgbe.4 @@ -1,4 +1,4 @@ -.\" Copyright (c) 2011, Chelsio Inc +.\" Copyright (c) 2011-2012, Chelsio Inc .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -145,10 +145,9 @@ dev.cxgbe.X.holdoff_tmr_idx sysctl. The packet-count index value to use to delay interrupts. The packet-count list has the values 1, 8, 16, and 32 by default and the index selects a value from this list. -The default value is 2 for both 10Gb and 1Gb ports, which means 16 -packets (or the holdoff timer going off) before an interrupt is -generated. --1 disables packet counting. +The default value is -1 for both 10Gb and 1Gb ports, which means packet +counting is disabled and interrupts are generated based solely on the +holdoff timer value. Different cxgbe interfaces can be assigned different values via the dev.cxgbe.X.holdoff_pktc_idx sysctl. This sysctl works only when the interface has never been marked up (as done by |