net/mlx5: DR, Create FTE entry in the FW from SW-steering
Implement the FW command to setup a FTE (Flow Table Entry) into the FW managed flow tables. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Erez Shitrit
committed by
Saeed Mahameed
Saeed Mahameed
parent
cc78dbd768
commit
6de03d2dcb
@@ -479,3 +479,208 @@ int mlx5dr_cmd_query_gid(struct mlx5_core_dev *mdev, u8 vhca_port_num,
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return 0;
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}
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static int mlx5dr_cmd_set_extended_dest(struct mlx5_core_dev *dev,
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struct mlx5dr_cmd_fte_info *fte,
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bool *extended_dest)
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{
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int fw_log_max_fdb_encap_uplink = MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink);
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int num_fwd_destinations = 0;
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int num_encap = 0;
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int i;
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*extended_dest = false;
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if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
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return 0;
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for (i = 0; i < fte->dests_size; i++) {
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if (fte->dest_arr[i].type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
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continue;
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if (fte->dest_arr[i].type == MLX5_FLOW_DESTINATION_TYPE_VPORT &&
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fte->dest_arr[i].vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID)
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num_encap++;
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num_fwd_destinations++;
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}
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if (num_fwd_destinations > 1 && num_encap > 0)
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*extended_dest = true;
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if (*extended_dest && !fw_log_max_fdb_encap_uplink) {
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mlx5_core_warn(dev, "FW does not support extended destination");
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return -EOPNOTSUPP;
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}
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if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) {
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mlx5_core_warn(dev, "FW does not support more than %d encaps",
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1 << fw_log_max_fdb_encap_uplink);
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return -EOPNOTSUPP;
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}
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return 0;
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}
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int mlx5dr_cmd_set_fte(struct mlx5_core_dev *dev,
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int opmod, int modify_mask,
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struct mlx5dr_cmd_ft_info *ft,
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u32 group_id,
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struct mlx5dr_cmd_fte_info *fte)
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{
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u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {};
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void *in_flow_context, *vlan;
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bool extended_dest = false;
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void *in_match_value;
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unsigned int inlen;
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int dst_cnt_size;
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void *in_dests;
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u32 *in;
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int err;
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int i;
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if (mlx5dr_cmd_set_extended_dest(dev, fte, &extended_dest))
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return -EOPNOTSUPP;
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if (!extended_dest)
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dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct);
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else
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dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format);
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inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size;
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in = kvzalloc(inlen, GFP_KERNEL);
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if (!in)
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return -ENOMEM;
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MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
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MLX5_SET(set_fte_in, in, op_mod, opmod);
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MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
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MLX5_SET(set_fte_in, in, table_type, ft->type);
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MLX5_SET(set_fte_in, in, table_id, ft->id);
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MLX5_SET(set_fte_in, in, flow_index, fte->index);
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if (ft->vport) {
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MLX5_SET(set_fte_in, in, vport_number, ft->vport);
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MLX5_SET(set_fte_in, in, other_vport, 1);
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}
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in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
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MLX5_SET(flow_context, in_flow_context, group_id, group_id);
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MLX5_SET(flow_context, in_flow_context, flow_tag,
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fte->flow_context.flow_tag);
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MLX5_SET(flow_context, in_flow_context, flow_source,
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fte->flow_context.flow_source);
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MLX5_SET(flow_context, in_flow_context, extended_destination,
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extended_dest);
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if (extended_dest) {
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u32 action;
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action = fte->action.action &
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~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
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MLX5_SET(flow_context, in_flow_context, action, action);
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} else {
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MLX5_SET(flow_context, in_flow_context, action,
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fte->action.action);
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if (fte->action.pkt_reformat)
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MLX5_SET(flow_context, in_flow_context, packet_reformat_id,
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fte->action.pkt_reformat->id);
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}
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if (fte->action.modify_hdr)
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MLX5_SET(flow_context, in_flow_context, modify_header_id,
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fte->action.modify_hdr->id);
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vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
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MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
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MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
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MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
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vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
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MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
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MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
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MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
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in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
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match_value);
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memcpy(in_match_value, fte->val, sizeof(u32) * MLX5_ST_SZ_DW_MATCH_PARAM);
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in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
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if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
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int list_size = 0;
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for (i = 0; i < fte->dests_size; i++) {
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unsigned int id, type = fte->dest_arr[i].type;
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if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
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continue;
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switch (type) {
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case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
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id = fte->dest_arr[i].ft_num;
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type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
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break;
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case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
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id = fte->dest_arr[i].ft_id;
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break;
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case MLX5_FLOW_DESTINATION_TYPE_VPORT:
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id = fte->dest_arr[i].vport.num;
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MLX5_SET(dest_format_struct, in_dests,
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destination_eswitch_owner_vhca_id_valid,
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!!(fte->dest_arr[i].vport.flags &
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MLX5_FLOW_DEST_VPORT_VHCA_ID));
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MLX5_SET(dest_format_struct, in_dests,
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destination_eswitch_owner_vhca_id,
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fte->dest_arr[i].vport.vhca_id);
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if (extended_dest && (fte->dest_arr[i].vport.flags &
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MLX5_FLOW_DEST_VPORT_REFORMAT_ID)) {
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MLX5_SET(dest_format_struct, in_dests,
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packet_reformat,
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!!(fte->dest_arr[i].vport.flags &
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MLX5_FLOW_DEST_VPORT_REFORMAT_ID));
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MLX5_SET(extended_dest_format, in_dests,
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packet_reformat_id,
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fte->dest_arr[i].vport.reformat_id);
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}
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break;
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default:
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id = fte->dest_arr[i].tir_num;
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}
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MLX5_SET(dest_format_struct, in_dests, destination_type,
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type);
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MLX5_SET(dest_format_struct, in_dests, destination_id, id);
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in_dests += dst_cnt_size;
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list_size++;
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}
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MLX5_SET(flow_context, in_flow_context, destination_list_size,
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list_size);
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}
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if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
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int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
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log_max_flow_counter,
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ft->type));
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int list_size = 0;
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for (i = 0; i < fte->dests_size; i++) {
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if (fte->dest_arr[i].type !=
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MLX5_FLOW_DESTINATION_TYPE_COUNTER)
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continue;
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MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
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fte->dest_arr[i].counter_id);
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in_dests += dst_cnt_size;
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list_size++;
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}
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if (list_size > max_list_size) {
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err = -EINVAL;
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goto err_out;
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}
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MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
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list_size);
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}
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err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
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err_out:
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kvfree(in);
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return err;
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}
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@@ -1057,6 +1057,43 @@ int mlx5dr_send_postsend_formatted_htbl(struct mlx5dr_domain *dmn,
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int mlx5dr_send_postsend_action(struct mlx5dr_domain *dmn,
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struct mlx5dr_action *action);
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struct mlx5dr_cmd_ft_info {
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u32 id;
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u16 vport;
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enum fs_flow_table_type type;
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};
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struct mlx5dr_cmd_flow_destination_hw_info {
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enum mlx5_flow_destination_type type;
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union {
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u32 tir_num;
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u32 ft_num;
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u32 ft_id;
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u32 counter_id;
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struct {
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u16 num;
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u16 vhca_id;
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u32 reformat_id;
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u8 flags;
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} vport;
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};
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};
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struct mlx5dr_cmd_fte_info {
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u32 dests_size;
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u32 index;
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struct mlx5_flow_context flow_context;
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u32 *val;
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struct mlx5_flow_act action;
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struct mlx5dr_cmd_flow_destination_hw_info *dest_arr;
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};
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int mlx5dr_cmd_set_fte(struct mlx5_core_dev *dev,
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int opmod, int modify_mask,
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struct mlx5dr_cmd_ft_info *ft,
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u32 group_id,
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struct mlx5dr_cmd_fte_info *fte);
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struct mlx5dr_fw_recalc_cs_ft {
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u64 rx_icm_addr;
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u32 table_id;
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