Re: [PATCH v4 net-next] tools: psock_tpacket: block Rx until socket filter has been added and socket has been bound to loopback.

From: Sowmini Varadhan Date: Thu, 5 Jan 2017 11:06:22 -0800 > Packets from any/all interfaces may be queued up on the PF_PACKET socket > before it is bound to the loopback interface by psock_tpacket, and > when these are passed up by the kernel, they could interfere

[PATCH v4 net-next] tools: psock_tpacket: block Rx until socket filter has been added and socket has been bound to loopback.

Packets from any/all interfaces may be queued up on the PF_PACKET socket before it is bound to the loopback interface by psock_tpacket, and when these are passed up by the kernel, they could interfere with the Rx tests. Avoid interference from spurious packet by blocking Rx until the socket