From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76BECC5518A for ; Wed, 22 Apr 2020 12:05:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5409220780 for ; Wed, 22 Apr 2020 12:05:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728440AbgDVMFh (ORCPT ); Wed, 22 Apr 2020 08:05:37 -0400 Received: from inva020.nxp.com ([92.121.34.13]:41638 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727820AbgDVMFg (ORCPT ); Wed, 22 Apr 2020 08:05:36 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C0AF71A11D3; Wed, 22 Apr 2020 14:05:34 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id B4F6C1A11C4; Wed, 22 Apr 2020 14:05:34 +0200 (CEST) Received: from fsr-ub1864-126.ea.freescale.net (fsr-ub1864-126.ea.freescale.net [10.171.82.212]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 741ED202AF; Wed, 22 Apr 2020 14:05:34 +0200 (CEST) From: Ioana Ciornei To: davem@davemloft.net, netdev@vger.kernel.org Cc: brouer@redhat.com, Ioana Ciornei Subject: [PATCH v2 net-next 1/5] xdp: export the DEV_MAP_BULK_SIZE macro Date: Wed, 22 Apr 2020 15:05:09 +0300 Message-Id: <20200422120513.6583-2-ioana.ciornei@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200422120513.6583-1-ioana.ciornei@nxp.com> References: <20200422120513.6583-1-ioana.ciornei@nxp.com> Reply-to: ioana.ciornei@nxp.com X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Export the DEV_MAP_BULK_SIZE macro to the header file so that drivers can directly use it as the maximum number of xdp_frames received in the .ndo_xdp_xmit() callback. Signed-off-by: Ioana Ciornei --- Changes in v2: - patch added include/net/xdp.h | 2 ++ kernel/bpf/devmap.c | 1 - 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/net/xdp.h b/include/net/xdp.h index 40c6d3398458..3cc6d5d84aa4 100644 --- a/include/net/xdp.h +++ b/include/net/xdp.h @@ -181,4 +181,6 @@ bool xdp_attachment_flags_ok(struct xdp_attachment_info *info, void xdp_attachment_setup(struct xdp_attachment_info *info, struct netdev_bpf *bpf); +#define DEV_MAP_BULK_SIZE 16 + #endif /* __LINUX_NET_XDP_H__ */ diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 58bdca5d978a..a51d9fb7a359 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -52,7 +52,6 @@ #define DEV_CREATE_FLAG_MASK \ (BPF_F_NUMA_NODE | BPF_F_RDONLY | BPF_F_WRONLY) -#define DEV_MAP_BULK_SIZE 16 struct xdp_dev_bulk_queue { struct xdp_frame *q[DEV_MAP_BULK_SIZE]; struct list_head flush_node; -- 2.17.1