From: Maor Gottlieb <maorg@nvidia.com>
Date: Tue, 3 Aug 2021 10:04:41 +0300
Subject: net/mlx5: Introduce new uplink destination type
Patch-mainline: v5.16-rc1
Git-commit: 58a606dba708f114e7f412b5c3024027e8a73e34
References: jsc#SLE-19253

The uplink destination type should be used in rules to steer the
packet to the uplink when the device is in steering based LAG mode.

Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c |    3 +++
 drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c             |    8 +++++++-
 include/linux/mlx5/mlx5_ifc.h                                |    1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
@@ -235,6 +235,9 @@ const char *parse_fs_dst(struct trace_se
 	const char *ret = trace_seq_buffer_ptr(p);
 
 	switch (dst->type) {
+	case MLX5_FLOW_DESTINATION_TYPE_UPLINK:
+		trace_seq_printf(p, "uplink\n");
+		break;
 	case MLX5_FLOW_DESTINATION_TYPE_VPORT:
 		trace_seq_printf(p, "vport=%u\n", dst->vport.num);
 		break;
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -577,8 +577,8 @@ static int mlx5_cmd_set_fte(struct mlx5_
 			case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
 				id = dst->dest_attr.ft->id;
 				break;
+			case MLX5_FLOW_DESTINATION_TYPE_UPLINK:
 			case MLX5_FLOW_DESTINATION_TYPE_VPORT:
-				id = dst->dest_attr.vport.num;
 				MLX5_SET(dest_format_struct, in_dests,
 					 destination_eswitch_owner_vhca_id_valid,
 					 !!(dst->dest_attr.vport.flags &
@@ -586,6 +586,12 @@ static int mlx5_cmd_set_fte(struct mlx5_
 				MLX5_SET(dest_format_struct, in_dests,
 					 destination_eswitch_owner_vhca_id,
 					 dst->dest_attr.vport.vhca_id);
+				if (type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) {
+					/* destination_id is reserved */
+					id = 0;
+					break;
+				}
+				id = dst->dest_attr.vport.num;
 				if (extended_dest &&
 				    dst->dest_attr.vport.pkt_reformat) {
 					MLX5_SET(dest_format_struct, in_dests,
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1766,6 +1766,7 @@ enum mlx5_flow_destination_type {
 	MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE   = 0x1,
 	MLX5_FLOW_DESTINATION_TYPE_TIR          = 0x2,
 	MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER = 0x6,
+	MLX5_FLOW_DESTINATION_TYPE_UPLINK       = 0x8,
 
 	MLX5_FLOW_DESTINATION_TYPE_PORT         = 0x99,
 	MLX5_FLOW_DESTINATION_TYPE_COUNTER      = 0x100,