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doc: comment testpmd checksum option

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Add a comment for outer-ip option in csum command.
Set outer-ip option only when the packet is a IPv4 packet.

Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Marvin Liu <yong.liu@intel.com>
This commit is contained in:
Jijiang Liu 2015-07-17 16:12:37 +08:00 committed by Thomas Monjalon
parent 2855b1ebd3
commit d51d53b459
1 changed files with 1 additions and 1 deletions
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doc/guides/testpmd_app_ug/testpmd_funcs.rst
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@ -541,7 +541,7 @@ csum set (ip|udp|tcp|sctp|outer-ip) (hw|sw) (port_id)
- ip|udp|tcp|sctp always concern the inner layer.
- outer-ip concerns the outer IP layer in case the packet is recognized
- outer-ip concerns the outer IP layer (only for IPv4) in case the packet is recognized
as a tunnel packet by the forward engine (vxlan, gre and ipip are
supported). See "csum parse-tunnel" command.