From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Pirko Subject: [patch net-next v2 4/8] mlxsw: reg: Adding SMID register Date: Sun, 10 Jan 2016 21:06:25 +0100 Message-ID: <1452456389-2833-5-git-send-email-jiri@resnulli.us> References: <1452456389-2833-1-git-send-email-jiri@resnulli.us> Cc: davem@davemloft.net, idosch@mellanox.com, eladr@mellanox.com, yotamg@mellanox.com, ogerlitz@mellanox.com, corbet@lwn.net, stephen@networkplumber.org, sfeldma@gmail.com, vivien.didelot@savoirfairelinux.com, roopa@cumulusnetworks.com, gospo@cumulusnetworks.com, nikolay@cumulusnetworks.com To: netdev@vger.kernel.org Return-path: Received: from mail-wm0-f45.google.com ([74.125.82.45]:38111 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757403AbcAJUGh (ORCPT ); Sun, 10 Jan 2016 15:06:37 -0500 Received: by mail-wm0-f45.google.com with SMTP id b14so240499027wmb.1 for ; Sun, 10 Jan 2016 12:06:36 -0800 (PST) In-Reply-To: <1452456389-2833-1-git-send-email-jiri@resnulli.us> Sender: netdev-owner@vger.kernel.org List-ID: From: Elad Raz Adding back SMID register definition and packing. For each MC group a new SMID entry will be generated. Signed-off-by: Elad Raz Signed-off-by: Ido Schimmel Signed-off-by: Jiri Pirko --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 51 +++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 9b79457..0c52372 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -99,6 +99,55 @@ static const struct mlxsw_reg_info mlxsw_reg_spad = { */ MLXSW_ITEM_BUF(reg, spad, base_mac, 0x02, 6); +/* SMID - Switch Multicast ID + * -------------------------- + * The MID record maps from a MID (Multicast ID), which is a unique identifier + * of the multicast group within the stacking domain, into a list of local + * ports into which the packet is replicated. + */ +#define MLXSW_REG_SMID_ID 0x2007 +#define MLXSW_REG_SMID_LEN 0x240 + +static const struct mlxsw_reg_info mlxsw_reg_smid = { + .id = MLXSW_REG_SMID_ID, + .len = MLXSW_REG_SMID_LEN, +}; + +/* reg_smid_swid + * Switch partition ID. + * Access: Index + */ +MLXSW_ITEM32(reg, smid, swid, 0x00, 24, 8); + +/* reg_smid_mid + * Multicast identifier - global identifier that represents the multicast group + * across all devices. + * Access: Index + */ +MLXSW_ITEM32(reg, smid, mid, 0x00, 0, 16); + +/* reg_smid_port + * Local port memebership (1 bit per port). + * Access: RW + */ +MLXSW_ITEM_BIT_ARRAY(reg, smid, port, 0x20, 0x20, 1); + +/* reg_smid_port_mask + * Local port mask (1 bit per port). + * Access: W + */ +MLXSW_ITEM_BIT_ARRAY(reg, smid, port_mask, 0x220, 0x20, 1); + +static inline void mlxsw_reg_smid_pack(char *payload, u16 mid, + u8 port, bool set) +{ + MLXSW_REG_ZERO(smid, payload); + mlxsw_reg_smid_swid_set(payload, 0); + mlxsw_reg_smid_mid_set(payload, mid); + mlxsw_reg_smid_port_set(payload, port, set); + mlxsw_reg_smid_port_mask_set(payload, port, 1); +} + /* SSPR - Switch System Port Record Register * ----------------------------------------- * Configures the system port to local port mapping. @@ -3052,6 +3101,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id) return "SGCR"; case MLXSW_REG_SPAD_ID: return "SPAD"; + case MLXSW_REG_SMID_ID: + return "SMID"; case MLXSW_REG_SSPR_ID: return "SSPR"; case MLXSW_REG_SFDAT_ID: -- 1.9.3