From patchwork Tue Sep 8 00:51:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 261378 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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 7C5D9C2BB84 for ; Tue, 8 Sep 2020 00:52:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 46F192193E for ; Tue, 8 Sep 2020 00:52:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728264AbgIHAw1 (ORCPT ); Mon, 7 Sep 2020 20:52:27 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:48774 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728101AbgIHAwW (ORCPT ); Mon, 7 Sep 2020 20:52:22 -0400 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kFRro-00Di6J-D9; Tue, 08 Sep 2020 02:52:12 +0200 From: Andrew Lunn To: David Miller Cc: netdev , Chris Healy , Andrew Lunn Subject: [PATCH net-next v2 4/7] net: dsa: mv88e6xxx: Create helper for FIDs in use Date: Tue, 8 Sep 2020 02:51:52 +0200 Message-Id: <20200908005155.3267736-5-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200908005155.3267736-1-andrew@lunn.ch> References: <20200908005155.3267736-1-andrew@lunn.ch> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Refactor the code in mv88e6xxx_atu_new() which builds a bitmaps of FIDs in use into a helper function. This will be reused by the devlink code when dumping the ATU. Signed-off-by: Andrew Lunn --- drivers/net/dsa/mv88e6xxx/chip.c | 20 ++++++++++++++++---- drivers/net/dsa/mv88e6xxx/chip.h | 2 ++ 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 984bdcaff1ea..d8bb5e5e8583 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1466,21 +1466,21 @@ static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip, return chip->info->ops->vtu_loadpurge(chip, entry); } -static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid) +int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *fid_bitmap) { - DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID); struct mv88e6xxx_vtu_entry vlan; int i, err; + u16 fid; bitmap_zero(fid_bitmap, MV88E6XXX_N_FID); /* Set every FID bit used by the (un)bridged ports */ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) { - err = mv88e6xxx_port_get_fid(chip, i, fid); + err = mv88e6xxx_port_get_fid(chip, i, &fid); if (err) return err; - set_bit(*fid, fid_bitmap); + set_bit(fid, fid_bitmap); } /* Set every FID bit used by the VLAN entries */ @@ -1498,6 +1498,18 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid) set_bit(vlan.fid, fid_bitmap); } while (vlan.vid < chip->info->max_vid); + return 0; +} + +static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid) +{ + DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID); + int err; + + err = mv88e6xxx_fid_map(chip, fid_bitmap); + if (err) + return err; + /* The reset value 0x000 is used to indicate that multiple address * databases are not needed. Return the next positive available. */ diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index 823ae89e5fca..77d81aa99f37 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -689,4 +689,6 @@ static inline void mv88e6xxx_reg_unlock(struct mv88e6xxx_chip *chip) mutex_unlock(&chip->reg_lock); } +int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *bitmap); + #endif /* _MV88E6XXX_CHIP_H */