Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751739AbdH1TZV (ORCPT ); Mon, 28 Aug 2017 15:25:21 -0400 Received: from mail.savoirfairelinux.com ([208.88.110.44]:36394 "EHLO mail.savoirfairelinux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751237AbdH1TVk (ORCPT ); Mon, 28 Aug 2017 15:21:40 -0400 From: Vivien Didelot To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel@savoirfairelinux.com, "David S. Miller" , Florian Fainelli , Andrew Lunn , Egil Hjelmeland , John Crispin , Woojung Huh , Sean Wang , Nikita Yushchenko , Chris Healy , Vivien Didelot Subject: [PATCH net-next v2 07/10] net: dsa: restore mdb dump Date: Mon, 28 Aug 2017 15:17:45 -0400 Message-Id: <20170828191748.19492-8-vivien.didelot@savoirfairelinux.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170828191748.19492-1-vivien.didelot@savoirfairelinux.com> References: <20170828191748.19492-1-vivien.didelot@savoirfairelinux.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4585 Lines: 131 The same dsa_fdb_dump_cb_t callback is used since there is no distinction to do between FDB and MDB entries at this layer. Implement mv88e6xxx_port_mdb_dump so that multicast addresses associated to a switch port can be dumped. Signed-off-by: Vivien Didelot Reviewed-by: Andrew Lunn --- drivers/net/dsa/mv88e6xxx/chip.c | 33 +++++++++++++++++++++++++-------- include/net/dsa.h | 3 +++ 2 files changed, 28 insertions(+), 8 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index c6678aa9b4ef..c66204423641 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1380,7 +1380,7 @@ static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port, } static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, - u16 fid, u16 vid, int port, + u16 fid, u16 vid, int port, bool mc, dsa_fdb_dump_cb_t *cb, void *data) { struct mv88e6xxx_atu_entry addr; @@ -1401,11 +1401,14 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, if (addr.trunk || (addr.portvec & BIT(port)) == 0) continue; - if (!is_unicast_ether_addr(addr.mac)) + if ((is_unicast_ether_addr(addr.mac) && mc) || + (is_multicast_ether_addr(addr.mac) && !mc)) continue; - is_static = (addr.state == - MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC); + is_static = addr.state == mc ? + MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC : + MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC; + err = cb(addr.mac, vid, is_static, data); if (err) return err; @@ -1415,7 +1418,7 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, } static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port, - dsa_fdb_dump_cb_t *cb, void *data) + bool mc, dsa_fdb_dump_cb_t *cb, void *data) { struct mv88e6xxx_vtu_entry vlan = { .vid = chip->info->max_vid, @@ -1428,7 +1431,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port, if (err) return err; - err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data); + err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, mc, cb, data); if (err) return err; @@ -1442,7 +1445,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port, break; err = mv88e6xxx_port_db_dump_fid(chip, vlan.fid, vlan.vid, port, - cb, data); + mc, cb, data); if (err) return err; } while (vlan.vid < chip->info->max_vid); @@ -1457,7 +1460,7 @@ static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port, int err; mutex_lock(&chip->reg_lock); - err = mv88e6xxx_port_db_dump(chip, port, cb, data); + err = mv88e6xxx_port_db_dump(chip, port, false, cb, data); mutex_unlock(&chip->reg_lock); return err; @@ -3777,6 +3780,19 @@ static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port, return err; } +static int mv88e6xxx_port_mdb_dump(struct dsa_switch *ds, int port, + dsa_fdb_dump_cb_t *cb, void *data) +{ + struct mv88e6xxx_chip *chip = ds->priv; + int err; + + mutex_lock(&chip->reg_lock); + err = mv88e6xxx_port_db_dump(chip, port, true, cb, data); + mutex_unlock(&chip->reg_lock); + + return err; +} + static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .probe = mv88e6xxx_drv_probe, .get_tag_protocol = mv88e6xxx_get_tag_protocol, @@ -3810,6 +3826,7 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .port_mdb_prepare = mv88e6xxx_port_mdb_prepare, .port_mdb_add = mv88e6xxx_port_mdb_add, .port_mdb_del = mv88e6xxx_port_mdb_del, + .port_mdb_dump = mv88e6xxx_port_mdb_dump, .crosschip_bridge_join = mv88e6xxx_crosschip_bridge_join, .crosschip_bridge_leave = mv88e6xxx_crosschip_bridge_leave, }; diff --git a/include/net/dsa.h b/include/net/dsa.h index 1309ba0376ae..c0d1b6c47a50 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -312,6 +312,7 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds) return ds->rtable[dst->cpu_dp->ds->index]; } +/* FDB (and MDB) dump callback */ typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, bool is_static, void *data); struct dsa_switch_ops { @@ -441,6 +442,8 @@ struct dsa_switch_ops { struct switchdev_trans *trans); int (*port_mdb_del)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_mdb *mdb); + int (*port_mdb_dump)(struct dsa_switch *ds, int port, + dsa_fdb_dump_cb_t *cb, void *data); /* * RXNFC */ -- 2.14.1