From mboxrd@z Thu Jan 1 00:00:00 1970 From: dan@coverfire.com Date: Sun, 03 Nov 2019 21:08:08 -0500 Subject: [Intel-wired-lan] FW: [PATCH bpf-next 2/4] xsk: allow AF_XDP sockets to receive packets directly from a queue In-Reply-To: <20191031172148.0290b11f@cakuba.netronome.com> References: <2e27b8d9-4615-cd8d-93de-2adb75d8effa@intel.com> <20191031172148.0290b11f@cakuba.netronome.com> Message-ID: <82fb2eba56d84887772f9d533faa7bda9e3b2ee4.camel@coverfire.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On Thu, 2019-10-31 at 17:21 -0700, Jakub Kicinski wrote: > > My concern was that we want the applications to encode fast path > logic > in BPF and load that into the kernel. So your patch works > fundamentally > against that goal: I'm only one AF_XDP user but my main goal is to get packets to userspace as fast as possible. I don't (currently) need a BPF program in the path at all. I suspect that many other people that look at AF_XDP as a DPDK replacement have a similar view.