doc: add clarification for i40e 16 byte desc
authorWenzhuo Lu <wenzhuo.lu@intel.com>
Wed, 1 Nov 2017 02:45:28 +0000 (10:45 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Wed, 1 Nov 2017 21:52:05 +0000 (22:52 +0100)
commit8c22b59a173f1b53fe522ba4182947dd3ebb4d42
treeeb13a87b281e2550fbd5a07d992351f8f89889c2
parentf8879d22bcab76ce56fb296cb430c3228bb841e7
doc: add clarification for i40e 16 byte desc

The description of i40e 16 byte descriptor is not clear
enough. Add more details.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
doc/guides/nics/i40e.rst