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authorXavier Simonart <xavier.simonart@intel.com>2018-04-26 01:03:05 +0200
committerDeepak S <deepak.s@linux.intel.com>2018-05-25 14:49:18 +0530
commit6f90cc27941ae39d2e0ea87ad44c476287d8014a (patch)
tree843f7746279c443acde5bc4889ac8756dcf925a1 /common/vnf_common
parent59bcd684dd98b57744c1ca56c4e2b7b0c8bc9ad2 (diff)
Increase default mbuf size and code simplification/cleanup
mbuf size was setup to achieve the best performance i.e. using the smallest mbuf and not segmenting packets. However this resulted in complex code, much dependent of the way the pmd are working e.g. a change(fix) in recent dpdk i40e implementation caused a 1782 (=1518+8+256) bytes mbuf to be too small to hold a 1518 bytes packets. Hence this change simplifies the mbuf size selection at the price of a potential decreases in performance - as more memory is now used. Except if jumbo frames are used, the mbuf size will now be the same for all modes. The packets will not be segmented except if jumbo frames are enabled. If jumbo frames are enabled, packets are by default segmented, except if the mbuf size is configured big enough in the config file. Change-Id: I222fcac7a65c0d221d5d422f419deb9c0f864172 Signed-off-by: Xavier Simonart <xavier.simonart@intel.com> Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Diffstat (limited to 'common/vnf_common')
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