From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= Subject: [RFC PATCH v2 08/14] xsk: wire up XDP_DRV side of AF_XDP Date: Tue, 27 Mar 2018 18:59:13 +0200 Message-ID: <20180327165919.17933-9-bjorn.topel@gmail.com> References: <20180327165919.17933-1-bjorn.topel@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , michael.lundkvist@ericsson.com, jesse.brandeburg@intel.com, anjali.singhai@intel.com, qi.z.zhang@intel.com, ravineet.singh@ericsson.com To: bjorn.topel@gmail.com, magnus.karlsson@intel.com, alexander.h.duyck@intel.com, alexander.duyck@gmail.com, john.fastabend@gmail.com, ast@fb.com, brouer@redhat.com, willemdebruijn.kernel@gmail.com, daniel@iogearbox.net, netdev@vger.kernel.org Return-path: Received: from mga07.intel.com ([134.134.136.100]:61496 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752503AbeC0Q77 (ORCPT ); Tue, 27 Mar 2018 12:59:59 -0400 In-Reply-To: <20180327165919.17933-1-bjorn.topel@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Björn Töpel This commit wires up the xskmap to XDP_DRV layer. Signed-off-by: Björn Töpel --- net/core/filter.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/net/core/filter.c b/net/core/filter.c index 00c711c5f1a2..4b09c0a02814 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2768,7 +2768,8 @@ static int __bpf_tx_xdp_map(struct net_device *dev_rx, void *fwd, { int err; - if (map->map_type == BPF_MAP_TYPE_DEVMAP) { + switch (map->map_type) { + case BPF_MAP_TYPE_DEVMAP: { struct net_device *dev = fwd; if (!dev->netdev_ops->ndo_xdp_xmit) @@ -2778,14 +2779,25 @@ static int __bpf_tx_xdp_map(struct net_device *dev_rx, void *fwd, if (err) return err; __dev_map_insert_ctx(map, index); - - } else if (map->map_type == BPF_MAP_TYPE_CPUMAP) { + break; + } + case BPF_MAP_TYPE_CPUMAP: { struct bpf_cpu_map_entry *rcpu = fwd; err = cpu_map_enqueue(rcpu, xdp, dev_rx); if (err) return err; __cpu_map_insert_ctx(map, index); + break; + } + case BPF_MAP_TYPE_XSKMAP: { + struct xdp_sock *xs = fwd; + + err = __xsk_map_redirect(map, index, xdp, xs); + return err; + } + default: + break; } return 0; } @@ -2804,6 +2816,9 @@ void xdp_do_flush_map(void) case BPF_MAP_TYPE_CPUMAP: __cpu_map_flush(map); break; + case BPF_MAP_TYPE_XSKMAP: + __xsk_map_flush(map); + break; default: break; } @@ -2818,6 +2833,8 @@ static void *__xdp_map_lookup_elem(struct bpf_map *map, u32 index) return __dev_map_lookup_elem(map, index); case BPF_MAP_TYPE_CPUMAP: return __cpu_map_lookup_elem(map, index); + case BPF_MAP_TYPE_XSKMAP: + return __xsk_map_lookup_elem(map, index); default: return NULL; } -- 2.14.1