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[94.66.229.5]) by smtp.gmail.com with ESMTPSA id o23sm247011wro.13.2019.05.24.02.41.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 May 2019 02:41:48 -0700 (PDT) Date: Fri, 24 May 2019 12:41:45 +0300 From: Ilias Apalodimas To: Ivan Khoronzhuk Cc: grygorii.strashko@ti.com, hawk@kernel.org, davem@davemloft.net, ast@kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, xdp-newbies@vger.kernel.org, netdev@vger.kernel.org, daniel@iogearbox.net, jakub.kicinski@netronome.com, john.fastabend@gmail.com Subject: Re: [PATCH net-next 0/3] net: ethernet: ti: cpsw: Add XDP support Message-ID: <20190524094145.GA24675@apalos> References: <20190523182035.9283-1-ivan.khoronzhuk@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190523182035.9283-1-ivan.khoronzhuk@linaro.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ivan, More XDP drivers, that's good! > This patchset add XDP support for TI cpsw driver and base it on > page_pool allocator. It was verified on af_xdp socket drop, > af_xdp l2f, ebpf XDP_DROP, XDP_REDIRECT, XDP_PASS, XDP_TX. > > It was verified with following configs enabled: > CONFIG_JIT=y > CONFIG_BPFILTER=y > CONFIG_BPF_SYSCALL=y > CONFIG_XDP_SOCKETS=y > CONFIG_BPF_EVENTS=y > CONFIG_HAVE_EBPF_JIT=y > CONFIG_BPF_JIT=y > CONFIG_CGROUP_BPF=y > > Link on previous RFC: > https://lkml.org/lkml/2019/4/17/861 > The recycling pattern has changed i'll have a closer look in the weekend and let you know > Also regular tests with iperf2 were done in order to verify impact on > regular netstack performance, compared with base commit: > https://pastebin.com/JSMT0iZ4 Do you have any XDP related numbers? > > Based on net-next/master > > Ivan Khoronzhuk (3): > net: ethernet: ti: davinci_cpdma: add dma mapped submit > net: ethernet: ti: davinci_cpdma: return handler status > net: ethernet: ti: cpsw: add XDP support > > drivers/net/ethernet/ti/Kconfig | 1 + > drivers/net/ethernet/ti/cpsw.c | 570 +++++++++++++++++++++--- > drivers/net/ethernet/ti/cpsw_ethtool.c | 55 ++- > drivers/net/ethernet/ti/cpsw_priv.h | 9 +- > drivers/net/ethernet/ti/davinci_cpdma.c | 122 +++-- > drivers/net/ethernet/ti/davinci_cpdma.h | 6 +- > drivers/net/ethernet/ti/davinci_emac.c | 18 +- > 7 files changed, 675 insertions(+), 106 deletions(-) > > -- > 2.17.1 > Thanks /Ilias