To elaborate more... Assuming an example of vmxnet3 driver, at present, when rte_eth_tx_burst() is called to send mbufs, vmxnet3 driver calls vmxnet3_tq_tx_complete() to free up completed buffers. Instead, wondering, if vmxnet3 (or corresponding driver) can trigger application callback for the buffer (mbuf) which gets transmitted out of n/w interface. Application callback can decide now decide whether to reuse the mbuf and continue multicasting on other tunnels.
Thanks, -Vithal -----Original Message----- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Vithal S Mohare Sent: Tuesday, January 13, 2015 9:21 AM To: dev at dpdk.org Subject: [dpdk-dev] Callbacks after buffer (mbuf) sent out Hi, I am looking for application callbacks after mbufs are sent (tx) out successfully. One of the use cases is for async multicast (over different gre tunnels etc). Using direct/indirect buffers along with ref-count itself is not enough, as actual 'pkt-data' itself changes while flooding on list of tunnels. Thanks, -Vithal
