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authorRui Cai <rucai@microsoft.com>2018-05-11 22:55:33 +0000
committerDamjan Marion <dmarion@me.com>2018-05-31 22:01:15 +0000
commita059a000f81a7251ffed2821f69dd96cfd94c8c7 (patch)
treed3674736007fbd45b61dc79de030ce5c53cf49a1 /src/vat
parentcb91e603bc82083fc762206edfe4530f993a6c36 (diff)
dpdk: Decoupling the meaning of xd->device_index in dpdk_plugin
Prior to the change, dpdk plugin assumes xd->device_index is used both as index for internal dpdk_main->devices array and DPDK port index to call into DPDK APIs. However, when running on top of Failsafe PMDs, DPDK port index range may no longer be contiguous (as noted: http://dpdk.org/ml/archives/dev/2018-March/092375.html for related changes in DPDK). Because this, dpdk plugin can no longer iterate through all available DPDK ports with a for 0->rte_eth_dev_count() loop and the assumption of device_index no longer holds. This is part of initial effort to enable vpp running over dpdk on failsafe PMD in Microsoft Azure(3/4). Change-Id: I416fd80f2d40e12e139f8f3492814da98343eae7 Signed-off-by: Rui Cai <rucai@microsoft.com>
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