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author | andre <andre@FreeBSD.org> | 2006-09-06 22:07:14 +0000 |
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committer | andre <andre@FreeBSD.org> | 2006-09-06 22:07:14 +0000 |
commit | f88e673aad2d1d0b5d140bf94727f31efa4d919c (patch) | |
tree | d27b7763a9675c7df52d8d9c0eeb35306a487b58 /sbin/ifconfig/ifconfig.8 | |
parent | 55dc203a73ebf4a1c91b30e5dc468700df02d68b (diff) | |
download | FreeBSD-src-f88e673aad2d1d0b5d140bf94727f31efa4d919c.zip FreeBSD-src-f88e673aad2d1d0b5d140bf94727f31efa4d919c.tar.gz |
Make TSO (TCP segmentation offload) capabilities visible and accessible with
'ifconfig em0 tso' and 'ifconfig em0 -tso'. TSO for IPv4 and IPv6 is always
enabled or disabled together. The driver may enable only one if it doesn't
support both.
Document 'tso' and '-tso' in the ifconfig(8) man pages.
Sponsored by: TCP/IP Optimization Fundraise 2005
Diffstat (limited to 'sbin/ifconfig/ifconfig.8')
-rw-r--r-- | sbin/ifconfig/ifconfig.8 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8 index 51dd76f..041cd6c 100644 --- a/sbin/ifconfig/ifconfig.8 +++ b/sbin/ifconfig/ifconfig.8 @@ -356,6 +356,23 @@ support, the exact level of offloading varies between drivers. If the driver supports user-configurable checksum offloading, disable receive (or transmit) checksum offloading on the interface. These settings may not always be independent of each other. +.It Cm tso +If the driver supports +.Xr tcp 4 +segmentation offloading, enable TSO on the interface. +Some drivers may not be able to support TSO for +.Xr ip 4 +and +.Xr ip6 4 +packets, so they may enable only one of them. +.It Fl tso +If the driver supports +.Xr tcp 4 +segmentation offloading, disable TSO on the interface. +It will always disable TSO for +.Xr ip 4 +and +.Xr ip6 4 . .It Cm vlanmtu , vlanhwtag If the driver offers user-configurable VLAN support, enable reception of extended frames or tag processing in hardware, |