netdev - [PATCH net-next 04/11] mlxsw: cmd: Add CONFIG_PROFILE.{set_, }lag

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Date: Thu, 19 Oct 2023 12:27:13 +0200
From: Petr Machata <petrm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: Ido Schimmel <idosch@...dia.com>, Petr Machata <petrm@...dia.com>,
	<mlxsw@...dia.com>
Subject: [PATCH net-next 04/11] mlxsw: cmd: Add CONFIG_PROFILE.{set_, }lag_mode

Add CONFIG_PROFILE.lag_mode, which serves for moving responsibility for
placement of the LAG table from FW to SW. Whether lag_mode should be
configured is determined by CONFIG_PROFILE.set_lag_mode, which also add.

Signed-off-by: Petr Machata <petrm@...dia.com>
Reviewed-by: Ido Schimmel <idosch@...dia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/cmd.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/cmd.h b/drivers/net/ethernet/mellanox/mlxsw/cmd.h
index a181ca4b764e..cb6e2a9ef03f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/cmd.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/cmd.h
@@ -695,6 +695,12 @@ MLXSW_ITEM32(cmd_mbox, config_profile, set_cqe_version, 0x08, 0, 1);
  */
 MLXSW_ITEM32(cmd_mbox, config_profile, set_cqe_time_stamp_type, 0x08, 2, 1);
 
+/* cmd_mbox_config_profile_set_lag_mode
+ * Capability bit. Setting a bit to 1 configures the lag_mode
+ * according to the mailbox contents.
+ */
+MLXSW_ITEM32(cmd_mbox, config_profile, set_lag_mode, 0x08, 7, 1);
+
 /* cmd_mbox_config_profile_max_vepa_channels
  * Maximum number of VEPA channels per port (0 through 16)
  * 0 - multi-channel VEPA is disabled
@@ -840,6 +846,21 @@ MLXSW_ITEM32(cmd_mbox, config_profile, arn, 0x50, 31, 1);
  */
 MLXSW_ITEM32(cmd_mbox, config_profile, ubridge, 0x50, 4, 1);
 
+enum mlxsw_cmd_mbox_config_profile_lag_mode {
+	/* FW manages PGT LAG table */
+	MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_FW,
+	/* SW manages PGT LAG table */
+	MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW,
+};
+
+/* cmd_mbox_config_profile_lag_mode
+ * LAG mode
+ * Configured if set_lag_mode is set
+ * Supported from Spectrum-2 and above.
+ * Supported only when ubridge = 1
+ */
+MLXSW_ITEM32(cmd_mbox, config_profile, lag_mode, 0x50, 3, 1);
+
 /* cmd_mbox_config_kvd_linear_size
  * KVD Linear Size
  * Valid for Spectrum only
-- 
2.41.0