[dpdk-dev] when create DMA space to NIC

吕恩泳 lvenyong at 1218.com.cn
Thu Apr 17 10:29:48 CEST 2014


HI !

When create NIC tx_desc in eth_igb_tx_queue_setup(), tx_desc was allocated
by ring_dma_zone_reserve(). But when DMA speace was allocated by
EAL(memzone)?

 

eth_igb_tx_queue_setup()-->ring_dma_zone_reserve()-->memzone_lookup_thread_u
nsafe()-->mcfg->memzone[]

 

THANKS



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