From: Madalin-Cristian Bucur <madalin.bu...@nxp.com> Date: Mon, 7 Nov 2016 15:43:26 +0000
>> From: David Miller [mailto:da...@davemloft.net] >> Sent: Thursday, November 03, 2016 9:58 PM >> >> Why? By clearing this, you disallow an important fundamental way to do >> performane testing, via pktgen. > > The Tx path in DPAA requires one to insert a back-pointer to the skb into > the Tx buffer. On the Tx confirmation path the back-pointer in the buffer > is used to release the skb. If Tx buffer is shared we'd alter the back-pointer > and leak/double free skbs. See also Then have your software state store an array of SKB pointers, one for each TX ring entry, just like every other driver does.
