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Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / design / sys / iop / niu / rtl / fflp_hdr_dp.v
// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: fflp_hdr_dp.v
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
//
// * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// For the avoidance of doubt, and except that if any non-GPL license
// choice is available it will apply instead, Sun elects to use only
// the General Public License version 2 (GPLv2) at this time for any
// software where a choice of GPL license versions is made
// available with the language indicating that GPLv2 or any later version
// may be used, or where a choice of which version of the GPL is applied is
// otherwise unspecified.
//
// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
// CA 95054 USA or visit www.sun.com if you need additional information or
// have any questions.
//
// ========== Copyright Header End ============================================
/**********************************************************************/
/*project name: N2 */
/*module name: fflp_hdr_dp */
/*description: datapath for header bus and information decoded */
/* from them */
/* */
/*parent module in: fflp_hdr.v */
/*child modules in: none */
/*interface modules: */
/*author name: Jeanne Cai */
/*date created: 03-10-2004 */
/* */
/* Copyright (c) 2004, Sun Microsystems, Inc. */
/* Sun Proprietary and Confidential */
/* */
/*modifications: */
/**********************************************************************/
`include "fflp.h"
module fflp_hdr_dp (
cclk,
reset,
ipp_fflp_data,
ipp_fflp_mac_default,
ipp_fflp_mac_port,
shft0_reg_en,
shft1_reg_en,
shft2_reg_en,
shft3_reg_en,
shft4_reg_en,
shft5_reg_en,
shft6_reg_en,
shft7_reg_en,
hdr_shft_done,
fwd_sched,
snap_en,
disable_chksum,
class2_hdr_byte_value,
class3_hdr_byte_value,
class4_hdr_byte_value,
class5_hdr_byte_value,
class6_hdr_byte_value,
class7_hdr_byte_value,
class_action_reg4_dout,
class_action_reg5_dout,
class_action_reg6_dout,
class_action_reg7_dout,
class_action_reg8_dout,
class_action_reg9_dout,
class_action_reg10_dout,
class_action_reg11_dout,
class_action_reg12_dout,
class_action_reg13_dout,
class_action_reg14_dout,
class_action_reg15_dout,
f_key_class_action_reg4_dout,
f_key_class_action_reg5_dout,
f_key_class_action_reg6_dout,
f_key_class_action_reg7_dout,
f_key_class_action_reg8_dout,
f_key_class_action_reg9_dout,
f_key_class_action_reg10_dout,
f_key_class_action_reg11_dout,
f_key_class_action_reg12_dout,
f_key_class_action_reg13_dout,
f_key_class_action_reg14_dout,
f_key_class_action_reg15_dout,
hdr_ctrl_bit_mask_reg_dout,
cpu_vlan_req,
cpu_vlan_rd,
cpu_vlan_wr,
cpu_vlan_addr,
vlan_tbl_rd_din,
fwd_req,
key_bus,
fwd_info_bus,
hdr_fifo_space_avail,
hdr_fifo_full,
fflp_ipp_dvalid,
fflp_ipp_data,
vlan_tbl_cs,
vlan_tbl_wr,
vlan_tbl_addr,
vlan_tbl_din_reg_dout,
vlan_parity_err_log_en,
vlan_tag_id,
cpu_vlan_gnt_3
);
input cclk;
input reset;
input[127:0] ipp_fflp_data;
input[11:0] ipp_fflp_mac_default;
input[1:0] ipp_fflp_mac_port;
input shft0_reg_en;
input shft1_reg_en;
input shft2_reg_en;
input shft3_reg_en;
input shft4_reg_en;
input shft5_reg_en;
input shft6_reg_en;
input shft7_reg_en;
input hdr_shft_done;
input fwd_sched;
input snap_en;
input disable_chksum;
input[16:0] class2_hdr_byte_value;
input[16:0] class3_hdr_byte_value;
input[25:0] class4_hdr_byte_value;
input[25:0] class5_hdr_byte_value;
input[25:0] class6_hdr_byte_value;
input[25:0] class7_hdr_byte_value;
input[2:0] class_action_reg4_dout;
input[2:0] class_action_reg5_dout;
input[2:0] class_action_reg6_dout;
input[2:0] class_action_reg7_dout;
input[2:0] class_action_reg8_dout;
input[2:0] class_action_reg9_dout;
input[2:0] class_action_reg10_dout;
input[2:0] class_action_reg11_dout;
input[2:0] class_action_reg12_dout;
input[2:0] class_action_reg13_dout;
input[2:0] class_action_reg14_dout;
input[2:0] class_action_reg15_dout;
input[9:0] f_key_class_action_reg4_dout;
input[9:0] f_key_class_action_reg5_dout;
input[9:0] f_key_class_action_reg6_dout;
input[9:0] f_key_class_action_reg7_dout;
input[9:0] f_key_class_action_reg8_dout;
input[9:0] f_key_class_action_reg9_dout;
input[9:0] f_key_class_action_reg10_dout;
input[9:0] f_key_class_action_reg11_dout;
input[9:0] f_key_class_action_reg12_dout;
input[9:0] f_key_class_action_reg13_dout;
input[9:0] f_key_class_action_reg14_dout;
input[9:0] f_key_class_action_reg15_dout;
input[11:0] hdr_ctrl_bit_mask_reg_dout;
input cpu_vlan_req;
input cpu_vlan_rd;
input cpu_vlan_wr;
input[11:0] cpu_vlan_addr;
input[17:0] vlan_tbl_rd_din;
output fwd_req;
output[199:0] key_bus;
output[445:0] fwd_info_bus;
output hdr_fifo_space_avail;
output hdr_fifo_full;
output[3:0] fflp_ipp_dvalid;
output[15:0] fflp_ipp_data;
output vlan_tbl_cs;
output vlan_tbl_wr;
output[11:0] vlan_tbl_addr;
output[17:0] vlan_tbl_din_reg_dout;
output vlan_parity_err_log_en;
output[11:0] vlan_tag_id;
output cpu_vlan_gnt_3;
wire hdr_fifo_cnt_en;
wire[2:0] hdr_fifo_cnt_in;
wire[2:0] hdr_fifo_cnt;
wire[199:0] key_bus;
wire[445:0] fwd_info_bus;
reg[7:0] shft0_tmp12_dout;
reg[7:0] shft0_tmp13_dout;
reg[7:0] shft0_tmp14_dout;
reg[7:0] shft0_tmp15_dout;
reg[7:0] shft1_tmp0_dout;
reg[7:0] shft1_tmp1_dout;
reg[7:0] shft1_tmp2_dout;
reg[7:0] shft1_tmp3_dout;
reg[7:0] shft1_tmp4_dout;
reg[7:0] shft1_tmp5_dout;
reg[7:0] shft1_tmp6_dout;
reg[7:0] shft1_tmp7_dout;
reg[7:0] shft1_tmp8_dout;
reg[7:0] shft1_tmp9_dout;
reg[7:0] shft1_tmp10_dout;
reg[7:0] shft1_tmp11_dout;
reg[7:0] shft1_tmp12_dout;
reg[7:0] shft1_tmp13_dout;
reg[7:0] shft1_tmp14_dout;
reg[7:0] shft1_tmp15_dout;
reg[7:0] shft2_tmp0_dout;
reg[7:0] shft2_tmp1_dout;
reg[7:0] shft2_tmp2_dout;
reg[7:0] shft2_tmp3_dout;
reg[7:0] shft2_tmp4_dout;
reg[7:0] shft2_tmp5_dout;
reg[7:0] shft2_tmp6_dout;
reg[7:0] shft2_tmp7_dout;
reg[7:0] shft2_tmp8_dout;
reg[7:0] shft2_tmp9_dout;
reg[7:0] shft2_tmp10_dout;
reg[7:0] shft2_tmp11_dout;
reg[7:0] shft2_tmp12_dout;
reg[7:0] shft2_tmp13_dout;
reg[7:0] shft2_tmp14_dout;
reg[7:0] shft2_tmp15_dout;
reg[7:0] shft3_tmp0_dout;
reg[7:0] shft3_tmp1_dout;
reg[7:0] shft3_tmp2_dout;
reg[7:0] shft3_tmp3_dout;
reg[7:0] shft3_tmp4_dout;
reg[7:0] shft3_tmp5_dout;
reg[7:0] shft3_tmp6_dout;
reg[7:0] shft3_tmp7_dout;
reg[7:0] shft3_tmp8_dout;
reg[7:0] shft3_tmp9_dout;
reg[7:0] shft3_tmp10_dout;
reg[7:0] shft3_tmp11_dout;
reg[7:0] shft3_tmp12_dout;
reg[7:0] shft3_tmp13_dout;
reg[7:0] shft3_tmp14_dout;
reg[7:0] shft3_tmp15_dout;
reg[7:0] shft4_tmp0_dout;
reg[7:0] shft4_tmp1_dout;
reg[7:0] shft4_tmp2_dout;
reg[7:0] shft4_tmp3_dout;
reg[7:0] shft4_tmp4_dout;
reg[7:0] shft4_tmp5_dout;
reg[7:0] shft4_tmp6_dout;
reg[7:0] shft4_tmp7_dout;
reg[7:0] shft4_tmp8_dout;
reg[7:0] shft4_tmp9_dout;
reg[7:0] shft4_tmp10_dout;
reg[7:0] shft4_tmp11_dout;
reg[7:0] shft4_tmp12_dout;
reg[7:0] shft4_tmp13_dout;
reg[7:0] shft4_tmp14_dout;
reg[7:0] shft4_tmp15_dout;
reg[7:0] shft5_tmp0_dout;
reg[7:0] shft5_tmp1_dout;
reg[7:0] shft5_tmp2_dout;
reg[7:0] shft5_tmp3_dout;
//reg[7:0] shft5_tmp4_dout;
//reg[7:0] shft5_tmp5_dout;
reg[7:0] shft5_tmp6_dout;
reg[7:0] shft5_tmp7_dout;
wire[1:0] encap_offset_reg;
wire[1:0] ether_type_in;
wire[1:0] ether_type;
wire[4:0] class;
wire[4:0] v4_protocol_in;
wire[4:0] v6_next_hdr_in;
wire[4:0] v4_protocol;
wire[4:0] v6_next_hdr;
wire[1:0] l4_protocol_r;
wire[7:0] shft2_tmp2_dout_r;
wire[7:0] shft2_tmp3_dout_r;
wire[3:0] ipv4_ip_hdr_len_r;
wire[3:0] ipv4_ip_hdr_len_r0;
wire[15:0] ipv4_ip_pkt_len_r;
wire noport_r;
wire badip_r;
wire[15:0] shft0_tmp1312_trans_r;
wire[15:0] valid_hdr_class_match_in;
wire[15:0] valid_hdr_class_match;
wire[16:0] addr_ind_hdr_byte_masked4_r;
wire[16:0] addr_ind_hdr_byte_masked5_r;
wire[16:0] addr_ind_hdr_byte_masked6_r;
wire[16:0] addr_ind_hdr_byte_masked7_r;
reg[2:0] l2_rdc_num;
wire[2:0] l2_rdc_num_r;
reg[31:0] v4_tcp_port_01;
reg[31:0] v4_tcp_port_10;
reg[31:0] v4_tcp_port_11;
reg[31:0] v4_tcp_port;
wire[31:0] v4_tcp_port_01_r;
wire[31:0] v4_tcp_port_10_r;
wire[31:0] v4_tcp_port_r;
wire[7:0] ipv4_tos_r;
wire[7:0] ipv4_protocol_r;
wire[31:0] ipv4_src_addr_r;
wire[31:0] ipv4_dest_addr_r;
//wire[31:0] ipv4_ah_spi_r;
//wire[31:0] ipv4_esp_spi_r;
wire[7:0] ipv6_tos_r;
wire[7:0] ipv6_next_hdr_r;
wire[127:0] ipv6_src_addr_r;
wire[127:0] ipv6_dest_addr_r;
wire[15:0] ipv6_tcp_src_port_r;
wire[15:0] ipv6_tcp_dest_port_r;
//wire[31:0] ipv6_ah_spi_r;
//wire[31:0] ipv6_esp_spi_r;
wire[31:0] v6_tcp_port_r;
wire[87:0] raw_cam_key_r;
wire do_raw_key_r;
wire[2:0] class_action_r;
wire[199:0] tcam_key_r;
wire[9:0] f_key_class_action_r;
wire[361:0] flow_key_r;
reg[31:0] v4_seq_num_01;
reg[31:0] v4_seq_num_10;
reg[31:0] v4_seq_num_11;
reg[31:0] v4_seq_num;
wire[31:0] v4_seq_num_01_r;
wire[31:0] v4_seq_num_10_r;
wire[31:0] v4_seq_num_r;
wire[31:0] v6_seq_num;
wire[31:0] v6_seq_num_r;
reg[3:0] v4_tcp_len_01;
reg[3:0] v4_tcp_len_10;
reg[3:0] v4_tcp_len_11;
reg[3:0] v4_tcp_len;
wire[3:0] v4_tcp_len_01_r;
wire[3:0] v4_tcp_len_10_r;
wire[3:0] v4_tcp_len_r;
wire[3:0] v6_tcp_len;
wire[3:0] v6_tcp_len_r;
reg[11:0] v4_tcp_flag_01;
reg[11:0] v4_tcp_flag_10;
reg[11:0] v4_tcp_flag_11;
reg[11:0] v4_tcp_flag;
wire[11:0] v4_tcp_flag_01_r;
wire[11:0] v4_tcp_flag_10_r;
wire[11:0] v4_tcp_flag_r;
wire[11:0] v6_tcp_flag;
wire[11:0] v6_tcp_flag_r;
reg[31:0] tcp_port;
reg[31:0] tcp_seq_num;
reg[3:0] tcp_hdr_len;
reg[11:0] tcp_ctrl_flag;
reg[15:0] ip_pkt_len;
wire[3:0] pkt_id_in;
wire[3:0] pkt_id;
wire[127:0] ipp_fflp_data_reg_dout;
wire[13:0] ipp_fflp_status_reg_dout;
wire[13:0] shft0_status_reg_dout;
wire promiscuous;
wire ph_match;
wire[2:0] mac_rdc_num;
//wire mpr;
wire[1:0] mac_port;
wire[127:0] shft0_reg_dout;
wire[127:0] shft1_reg_dout;
wire[127:0] shft2_reg_dout;
wire[127:0] shft3_reg_dout;
wire[127:0] shft4_reg_dout;
wire[127:0] shft5_reg_dout;
wire[31:0] shft6_reg_dout;
wire[7:0] shft0_reg0_dout;
wire[7:0] shft0_reg1_dout;
wire[7:0] shft0_reg2_dout;
wire[7:0] shft0_reg3_dout;
wire[7:0] shft0_reg4_dout;
wire[7:0] shft0_reg5_dout;
/*
wire[7:0] shft0_reg6_dout;
wire[7:0] shft0_reg7_dout;
wire[7:0] shft0_reg8_dout;
wire[7:0] shft0_reg9_dout;
wire[7:0] shft0_reg10_dout;
wire[7:0] shft0_reg11_dout;
*/
wire[7:0] shft0_reg12_dout;
wire[7:0] shft0_reg13_dout;
wire[7:0] shft0_reg14_dout;
wire[7:0] shft0_reg15_dout;
wire[7:0] shft1_reg0_dout;
wire[7:0] shft1_reg1_dout;
wire[7:0] shft1_reg2_dout;
wire[7:0] shft1_reg3_dout;
wire[7:0] shft1_reg4_dout;
wire[7:0] shft1_reg5_dout;
wire[7:0] shft1_reg6_dout;
wire[7:0] shft1_reg7_dout;
wire[7:0] shft1_reg8_dout;
wire[7:0] shft1_reg9_dout;
wire[7:0] shft1_reg10_dout;
wire[7:0] shft1_reg11_dout;
wire[7:0] shft1_reg12_dout;
wire[7:0] shft1_reg13_dout;
wire[7:0] shft1_reg14_dout;
wire[7:0] shft1_reg15_dout;
wire[7:0] shft2_reg0_dout;
wire[7:0] shft2_reg1_dout;
wire[7:0] shft2_reg2_dout;
wire[7:0] shft2_reg3_dout;
wire[7:0] shft2_reg4_dout;
wire[7:0] shft2_reg5_dout;
wire[7:0] shft2_reg6_dout;
wire[7:0] shft2_reg7_dout;
wire[7:0] shft2_reg8_dout;
wire[7:0] shft2_reg9_dout;
wire[7:0] shft2_reg10_dout;
wire[7:0] shft2_reg11_dout;
wire[7:0] shft2_reg12_dout;
wire[7:0] shft2_reg13_dout;
wire[7:0] shft2_reg14_dout;
wire[7:0] shft2_reg15_dout;
wire[7:0] shft3_reg0_dout;
wire[7:0] shft3_reg1_dout;
wire[7:0] shft3_reg2_dout;
wire[7:0] shft3_reg3_dout;
wire[7:0] shft3_reg4_dout;
wire[7:0] shft3_reg5_dout;
wire[7:0] shft3_reg6_dout;
wire[7:0] shft3_reg7_dout;
wire[7:0] shft3_reg8_dout;
wire[7:0] shft3_reg9_dout;
wire[7:0] shft3_reg10_dout;
wire[7:0] shft3_reg11_dout;
wire[7:0] shft3_reg12_dout;
wire[7:0] shft3_reg13_dout;
wire[7:0] shft3_reg14_dout;
wire[7:0] shft3_reg15_dout;
wire[7:0] shft4_reg0_dout;
wire[7:0] shft4_reg1_dout;
wire[7:0] shft4_reg2_dout;
wire[7:0] shft4_reg3_dout;
wire[7:0] shft4_reg4_dout;
wire[7:0] shft4_reg5_dout;
wire[7:0] shft4_reg6_dout;
wire[7:0] shft4_reg7_dout;
wire[7:0] shft4_reg8_dout;
wire[7:0] shft4_reg9_dout;
wire[7:0] shft4_reg10_dout;
wire[7:0] shft4_reg11_dout;
wire[7:0] shft4_reg12_dout;
wire[7:0] shft4_reg13_dout;
wire[7:0] shft4_reg14_dout;
wire[7:0] shft4_reg15_dout;
wire[7:0] shft5_reg0_dout;
wire[7:0] shft5_reg1_dout;
wire[7:0] shft5_reg2_dout;
wire[7:0] shft5_reg3_dout;
wire[7:0] shft5_reg4_dout;
wire[7:0] shft5_reg5_dout;
wire[7:0] shft5_reg6_dout;
wire[7:0] shft5_reg7_dout;
wire[7:0] shft5_reg8_dout;
wire[7:0] shft5_reg9_dout;
wire[7:0] shft5_reg10_dout;
wire[7:0] shft5_reg11_dout;
wire[7:0] shft5_reg12_dout;
wire[7:0] shft5_reg13_dout;
wire[7:0] shft5_reg14_dout;
wire[7:0] shft5_reg15_dout;
wire[7:0] shft6_reg2_dout;
wire[7:0] shft6_reg3_dout;
/*
wire[7:0] shft6_reg0_dout;
wire[7:0] shft6_reg1_dout;
wire[7:0] shft6_reg4_dout;
wire[7:0] shft6_reg5_dout;
wire[7:0] shft6_reg6_dout;
wire[7:0] shft6_reg7_dout;
wire[7:0] shft6_reg8_dout;
wire[7:0] shft6_reg9_dout;
wire[7:0] shft6_reg10_dout;
wire[7:0] shft6_reg11_dout;
wire[7:0] shft6_reg12_dout;
wire[7:0] shft6_reg13_dout;
wire[7:0] shft6_reg14_dout;
wire[7:0] shft6_reg15_dout;
*/
wire[15:0] shft0_reg1312_trans;
wire[15:0] shft0_reg1514_trans;
wire[15:0] shft1_reg10_trans;
wire[15:0] shft1_reg32_trans;
wire[47:0] mac_dest_addr;
wire or_tag;
wire[11:0] vlan_tag_id;
wire is_snap_type_0;
wire is_aa_0;
wire is_03_0;
wire is_snap_type_1;
wire is_aa_1;
wire is_03_1;
wire snap_type_0;
wire snap_type_1;
wire snap_type;
wire[1:0] encap_offset;
wire[15:0] shft0_tmp1312_trans;
wire[15:0] shft1_tmp54_trans;
wire is_ipv4;
wire is_ipv6;
wire is_ip_pkt;
wire v4_prot_tcp;
wire v4_prot_udp;
wire v4_prot_ah;
wire v4_prot_esp;
wire v4_prot_sctp;
wire v6_nhdr_tcp;
wire v6_nhdr_udp;
wire v6_nhdr_ah;
wire v6_nhdr_esp;
wire v6_nhdr_sctp;
wire[2:0] l4_protocol_dec;
wire[1:0] l4_protocol;
wire[3:0] ipv4_ip_hdr_len;
wire[15:0] ipv4_ip_pkt_len;
wire[15:0] ipv4_frag_offset;
wire noport;
wire badip;
wire[15:0] ipv6_ip_pkt_len; //IP payload len, not include IP hdr len (40 bytes)
wire[15:0] ipv6_ip_pkt_len_r;
wire[15:0] class_en_mask;
wire[16:0] addr_ind_hdr_byte;
wire[7:0] addr_ind_hdr_byte0;
wire[7:0] addr_ind_hdr_byte1;
wire[16:0] addr_ind_hdr_byte_masked4;
wire[16:0] addr_ind_hdr_byte_masked5;
wire[16:0] addr_ind_hdr_byte_masked6;
wire[16:0] addr_ind_hdr_byte_masked7;
wire[16:0] class4_hdr_byte_value_masked;
wire[16:0] class5_hdr_byte_value_masked;
wire[16:0] class6_hdr_byte_value_masked;
wire[16:0] class7_hdr_byte_value_masked;
wire l2_hdr_class_match2;
wire l2_hdr_class_match3;
wire l3_hdr_class_match4;
wire l3_hdr_class_match5;
wire l3_hdr_class_match6;
wire l3_hdr_class_match7;
wire l3_hdr_class_match8;
wire l3_hdr_class_match9;
wire l3_hdr_class_match10;
wire l3_hdr_class_match11;
wire l3_hdr_class_match12;
wire l3_hdr_class_match13;
wire l3_hdr_class_match14;
wire l3_hdr_class_match15;
wire l3_hdr_class_match16;
wire l3_hdr_class_match17;
wire[15:0] hdr_class_match;
wire[4:0] class_index;
wire[4:0] class_index_tmp;
wire[2:0] class_action;
wire[1:0] class_action_r0;
wire[9:0] f_key_class_action;
wire[2:0] vlan_rdc_num;
wire vpr;
wire[1:0] vlan_parity;
wire vlan_rdc_prio;
wire use_vlan_rdc;
wire is_promis;
wire[1:0] vlan_parity_bit;
wire vlan_parity_err;
wire vlan_parity_err_r;
wire[19:0] shft1_status;
wire[7:0] ipv4_tos;
wire[7:0] ipv4_protocol;
wire[31:0] ipv4_src_addr;
wire[31:0] ipv4_dest_addr;
//wire[31:0] ipv4_ah_spi;
//wire[31:0] ipv4_esp_spi;
wire[7:0] ipv6_tos;
wire[7:0] ipv6_next_hdr;
wire[127:0] ipv6_src_addr;
wire[63:0] ipv6_dest_addr_pre;
wire[63:0] ipv6_dest_addr_suf;
wire[127:0] ipv6_dest_addr;
wire[15:0] ipv6_tcp_src_port;
wire[15:0] ipv6_tcp_dest_port;
//wire[31:0] ipv6_ah_spi;
//wire[31:0] ipv6_esp_spi;
wire do_raw_key;
wire[87:0] raw_cam_key;
wire class_action_ipaddr;
wire[199:0] v4_cam_key;
wire[199:0] v4_cam_key_ah;
wire[199:0] v4_cam_key_esp;
wire[199:0] v6_cam_key_src;
wire[199:0] v6_cam_key_src_ah;
wire[199:0] v6_cam_key_src_esp;
wire[199:0] v6_cam_key_dest;
wire[199:0] v6_cam_key_dest_ah;
wire[199:0] v6_cam_key_dest_esp;
wire[199:0] v4_5t_cam_key;
wire[199:0] v6_4t_cam_key;
wire[199:0] raw_cam_key_r0;
wire[199:0] tcam_key;
wire[1:0] f_key_class_action_l4_1;
wire[1:0] f_key_class_action_l4_0;
wire f_key_class_action_prot;
wire f_key_class_action_ip_da;
wire f_key_class_action_ip_sa;
wire f_key_class_action_vlan;
wire f_key_class_action_l2_da;
wire f_key_class_action_vport;
wire[7:0] prot_bytes;
wire[31:0] ip_da_bytes_0;
wire[31:0] ip_da_bytes_1;
wire[31:0] ip_da_bytes_2;
wire[31:0] ip_da_bytes_3;
wire[31:0] ip_sa_bytes_0;
wire[31:0] ip_sa_bytes_1;
wire[31:0] ip_sa_bytes_2;
wire[31:0] ip_sa_bytes_3;
wire vlan_bytes_valid;
wire[15:0] f_key_l4_1_bytes;
wire[15:0] f_key_l4_0_bytes;
wire[7:0] f_key_prot_bytes;
wire[31:0] f_key_ip_da_bytes_0;
wire[31:0] f_key_ip_da_bytes_1;
wire[31:0] f_key_ip_da_bytes_2;
wire[31:0] f_key_ip_da_bytes_3;
wire[31:0] f_key_ip_sa_bytes_0;
wire[31:0] f_key_ip_sa_bytes_1;
wire[31:0] f_key_ip_sa_bytes_2;
wire[31:0] f_key_ip_sa_bytes_3;
wire[3:0] f_key_vlan_valid;
wire[11:0] f_key_vlan_bytes;
wire[47:0] f_key_l2_da_bytes;
wire[1:0] f_key_vport_bytes;
wire[361:0] flow_key;
wire tcp_push_bit;
wire[83:0] fwd_info;
wire hdr_fifo_wen;
wire hdr_fifo_ren;
wire hdr_fifo_space_avail;
//wire hdr_fifo_lastwp;
wire[645:0] hdr_fifo_din;
wire[645:0] hdr_fifo_dout;
wire hdr_fifo_empty;
wire hdr_fifo_full;
wire fwd_req;
wire cpu_vlan_acc_en;
wire cpu_vlan_acc_in;
wire cpu_vlan_acc;
wire cpu_vlan_acc_dly;
wire cpu_vlan_gnt_1;
wire cpu_vlan_gnt_2;
wire cpu_vlan_gnt_3;
wire cpu_vlan_gnt;
wire cpu_vlan_rd_gnt;
wire cpu_vlan_wr_gnt;
wire srch_vlan_rd_in;
wire srch_vlan_rd;
wire vlan_tbl_cs_in;
wire vlan_tbl_rd_in;
wire vlan_tbl_wr_in;
wire vlan_tbl_cs;
wire vlan_tbl_wr;
wire[11:0] vlan_tbl_addr_in;
wire[11:0] vlan_tbl_addr;
wire[17:0] vlan_tbl_din_reg_dout;
wire vlan_parity_err_log_en;
wire[17:0] masked_vlan_tbl_dout;
wire[3:0] vlan_tbl_rd_data;
wire[3:0] mac_port_dec;
wire mac_port0, mac_port1, mac_port2, mac_port3;
wire[3:0] fflp_ipp_dvalid_in;
wire[3:0] fflp_ipp_dvalid;
wire[15:0] fflp_ipp_data;
/*
dff #(128) ipp_fflp_data_reg
(
cclk,
1'b0,
1'b1,
ipp_fflp_data,
ipp_fflp_data_reg_dout
);
dff #(14) ipp_fflp_ctrl_reg
(
cclk,
1'b0,
1'b1,
{ipp_fflp_mac_port[1:0], ipp_fflp_mac_default[11:0]},
ipp_fflp_status_reg_dout
);
*/
assign ipp_fflp_data_reg_dout = ipp_fflp_data;
assign ipp_fflp_status_reg_dout = {ipp_fflp_mac_port[1:0], ipp_fflp_mac_default[11:0]};
dffre #(14) hdr_shft0_status_reg
(
cclk,
reset,
shft0_reg_en,
ipp_fflp_status_reg_dout, //{mac_port[1:0], 1'b0, mpr, 5'b0, mac_rdc[2:0], ph_match, promiscuous}
shft0_status_reg_dout
);
dffre #(128) hdr_shft0_reg
(
cclk,
reset,
shft0_reg_en,
ipp_fflp_data_reg_dout,
shft0_reg_dout
) ;
dffre #(128) hdr_shft1_reg
(
cclk,
reset,
shft1_reg_en,
ipp_fflp_data_reg_dout,
shft1_reg_dout
);
dffre #(128) hdr_shft2_reg
(
cclk,
reset,
shft2_reg_en,
ipp_fflp_data_reg_dout,
shft2_reg_dout
);
dffre #(128) hdr_shft3_reg
(
cclk,
reset,
shft3_reg_en,
ipp_fflp_data_reg_dout,
shft3_reg_dout
);
dffre #(128) hdr_shft4_reg
(
cclk,
reset,
shft4_reg_en,
ipp_fflp_data_reg_dout,
shft4_reg_dout
);
dffre #(128) hdr_shft5_reg
(
cclk,
reset,
shft5_reg_en,
ipp_fflp_data_reg_dout,
shft5_reg_dout
);
dffre #(32) hdr_shft6_reg
(
cclk,
reset,
shft6_reg_en,
ipp_fflp_data_reg_dout[31:0],
shft6_reg_dout[31:0]
);
/*
dffre #(128) hdr_shft7_reg
(
cclk,
reset,
shft7_reg_en,
ipp_fflp_data_reg_dout,
shft7_reg_dout
);
*/
assign promiscuous = shft0_status_reg_dout[0];
assign ph_match = shft0_status_reg_dout[1];
assign mac_rdc_num = shft0_status_reg_dout[4:2];
//assign mpr = shft0_status_reg_dout[10];
assign mac_port = shft0_status_reg_dout[13:12];
assign shft0_reg0_dout = shft0_reg_dout[7:0];
assign shft0_reg1_dout = shft0_reg_dout[15:8];
assign shft0_reg2_dout = shft0_reg_dout[23:16];
assign shft0_reg3_dout = shft0_reg_dout[31:24];
assign shft0_reg4_dout = shft0_reg_dout[39:32];
assign shft0_reg5_dout = shft0_reg_dout[47:40];
/*
assign shft0_reg6_dout = shft0_reg_dout[55:48];
assign shft0_reg7_dout = shft0_reg_dout[63:56];
assign shft0_reg8_dout = shft0_reg_dout[71:64];
assign shft0_reg9_dout = shft0_reg_dout[79:72];
assign shft0_reg10_dout = shft0_reg_dout[87:80];
assign shft0_reg11_dout = shft0_reg_dout[95:88];
*/
assign shft0_reg12_dout = shft0_reg_dout[103:96];
assign shft0_reg13_dout = shft0_reg_dout[111:104];
assign shft0_reg14_dout = shft0_reg_dout[119:112];
assign shft0_reg15_dout = shft0_reg_dout[127:120];
assign shft1_reg0_dout = shft1_reg_dout[7:0];
assign shft1_reg1_dout = shft1_reg_dout[15:8];
assign shft1_reg2_dout = shft1_reg_dout[23:16];
assign shft1_reg3_dout = shft1_reg_dout[31:24];
assign shft1_reg4_dout = shft1_reg_dout[39:32];
assign shft1_reg5_dout = shft1_reg_dout[47:40];
assign shft1_reg6_dout = shft1_reg_dout[55:48];
assign shft1_reg7_dout = shft1_reg_dout[63:56];
assign shft1_reg8_dout = shft1_reg_dout[71:64];
assign shft1_reg9_dout = shft1_reg_dout[79:72];
assign shft1_reg10_dout = shft1_reg_dout[87:80];
assign shft1_reg11_dout = shft1_reg_dout[95:88];
assign shft1_reg12_dout = shft1_reg_dout[103:96];
assign shft1_reg13_dout = shft1_reg_dout[111:104];
assign shft1_reg14_dout = shft1_reg_dout[119:112];
assign shft1_reg15_dout = shft1_reg_dout[127:120];
assign shft2_reg0_dout = shft2_reg_dout[7:0];
assign shft2_reg1_dout = shft2_reg_dout[15:8];
assign shft2_reg2_dout = shft2_reg_dout[23:16];
assign shft2_reg3_dout = shft2_reg_dout[31:24];
assign shft2_reg4_dout = shft2_reg_dout[39:32];
assign shft2_reg5_dout = shft2_reg_dout[47:40];
assign shft2_reg6_dout = shft2_reg_dout[55:48];
assign shft2_reg7_dout = shft2_reg_dout[63:56];
assign shft2_reg8_dout = shft2_reg_dout[71:64];
assign shft2_reg9_dout = shft2_reg_dout[79:72];
assign shft2_reg10_dout = shft2_reg_dout[87:80];
assign shft2_reg11_dout = shft2_reg_dout[95:88];
assign shft2_reg12_dout = shft2_reg_dout[103:96];
assign shft2_reg13_dout = shft2_reg_dout[111:104];
assign shft2_reg14_dout = shft2_reg_dout[119:112];
assign shft2_reg15_dout = shft2_reg_dout[127:120];
assign shft3_reg0_dout = shft3_reg_dout[7:0];
assign shft3_reg1_dout = shft3_reg_dout[15:8];
assign shft3_reg2_dout = shft3_reg_dout[23:16];
assign shft3_reg3_dout = shft3_reg_dout[31:24];
assign shft3_reg4_dout = shft3_reg_dout[39:32];
assign shft3_reg5_dout = shft3_reg_dout[47:40];
assign shft3_reg6_dout = shft3_reg_dout[55:48];
assign shft3_reg7_dout = shft3_reg_dout[63:56];
assign shft3_reg8_dout = shft3_reg_dout[71:64];
assign shft3_reg9_dout = shft3_reg_dout[79:72];
assign shft3_reg10_dout = shft3_reg_dout[87:80];
assign shft3_reg11_dout = shft3_reg_dout[95:88];
assign shft3_reg12_dout = shft3_reg_dout[103:96];
assign shft3_reg13_dout = shft3_reg_dout[111:104];
assign shft3_reg14_dout = shft3_reg_dout[119:112];
assign shft3_reg15_dout = shft3_reg_dout[127:120];
assign shft4_reg0_dout = shft4_reg_dout[7:0];
assign shft4_reg1_dout = shft4_reg_dout[15:8];
assign shft4_reg2_dout = shft4_reg_dout[23:16];
assign shft4_reg3_dout = shft4_reg_dout[31:24];
assign shft4_reg4_dout = shft4_reg_dout[39:32];
assign shft4_reg5_dout = shft4_reg_dout[47:40];
assign shft4_reg6_dout = shft4_reg_dout[55:48];
assign shft4_reg7_dout = shft4_reg_dout[63:56];
assign shft4_reg8_dout = shft4_reg_dout[71:64];
assign shft4_reg9_dout = shft4_reg_dout[79:72];
assign shft4_reg10_dout = shft4_reg_dout[87:80];
assign shft4_reg11_dout = shft4_reg_dout[95:88];
assign shft4_reg12_dout = shft4_reg_dout[103:96];
assign shft4_reg13_dout = shft4_reg_dout[111:104];
assign shft4_reg14_dout = shft4_reg_dout[119:112];
assign shft4_reg15_dout = shft4_reg_dout[127:120];
assign shft5_reg0_dout = shft5_reg_dout[7:0];
assign shft5_reg1_dout = shft5_reg_dout[15:8];
assign shft5_reg2_dout = shft5_reg_dout[23:16];
assign shft5_reg3_dout = shft5_reg_dout[31:24];
assign shft5_reg4_dout = shft5_reg_dout[39:32];
assign shft5_reg5_dout = shft5_reg_dout[47:40];
assign shft5_reg6_dout = shft5_reg_dout[55:48];
assign shft5_reg7_dout = shft5_reg_dout[63:56];
assign shft5_reg8_dout = shft5_reg_dout[71:64];
assign shft5_reg9_dout = shft5_reg_dout[79:72];
assign shft5_reg10_dout = shft5_reg_dout[87:80];
assign shft5_reg11_dout = shft5_reg_dout[95:88];
assign shft5_reg12_dout = shft5_reg_dout[103:96];
assign shft5_reg13_dout = shft5_reg_dout[111:104];
assign shft5_reg14_dout = shft5_reg_dout[119:112];
assign shft5_reg15_dout = shft5_reg_dout[127:120];
assign shft6_reg2_dout = shft6_reg_dout[23:16];
assign shft6_reg3_dout = shft6_reg_dout[31:24];
/*
assign shft6_reg0_dout = shft6_reg_dout[7:0];
assign shft6_reg1_dout = shft6_reg_dout[15:8];
assign shft6_reg4_dout = shft6_reg_dout[39:32];
assign shft6_reg5_dout = shft6_reg_dout[47:40];
assign shft6_reg6_dout = shft6_reg_dout[55:48];
assign shft6_reg7_dout = shft6_reg_dout[63:56];
assign shft6_reg8_dout = shft6_reg_dout[71:64];
assign shft6_reg9_dout = shft6_reg_dout[79:72];
assign shft6_reg10_dout = shft6_reg_dout[87:80];
assign shft6_reg11_dout = shft6_reg_dout[95:88];
assign shft6_reg12_dout = shft6_reg_dout[103:96];
assign shft6_reg13_dout = shft6_reg_dout[111:104];
assign shft6_reg14_dout = shft6_reg_dout[119:112];
assign shft6_reg15_dout = shft6_reg_dout[127:120];
assign shft7_reg0_dout = shft7_reg_dout[7:0];
assign shft7_reg1_dout = shft7_reg_dout[15:8];
assign shft7_reg2_dout = shft7_reg_dout[23:16];
assign shft7_reg3_dout = shft7_reg_dout[31:24];
assign shft7_reg4_dout = shft7_reg_dout[39:32];
assign shft7_reg5_dout = shft7_reg_dout[47:40];
assign shft7_reg6_dout = shft7_reg_dout[55:48];
assign shft7_reg7_dout = shft7_reg_dout[63:56];
assign shft7_reg8_dout = shft7_reg_dout[71:64];
assign shft7_reg9_dout = shft7_reg_dout[79:72];
assign shft7_reg10_dout = shft7_reg_dout[87:80];
assign shft7_reg11_dout = shft7_reg_dout[95:88];
assign shft7_reg12_dout = shft7_reg_dout[103:96];
assign shft7_reg13_dout = shft7_reg_dout[111:104];
assign shft7_reg14_dout = shft7_reg_dout[119:112];
assign shft7_reg15_dout = shft7_reg_dout[127:120];
*/
assign mac_port0 = (mac_port == 2'b00);
assign mac_port1 = (mac_port == 2'b01);
assign mac_port2 = (mac_port == 2'b10);
assign mac_port3 = (mac_port == 2'b11);
assign mac_port_dec = {mac_port3, mac_port2, mac_port1, mac_port0};
assign shft0_reg1312_trans = {shft0_reg12_dout, shft0_reg13_dout};
assign shft0_reg1514_trans = {shft0_reg14_dout, shft0_reg15_dout};
assign shft1_reg10_trans = {shft1_reg0_dout, shft1_reg1_dout};
assign shft1_reg32_trans = {shft1_reg2_dout, shft1_reg3_dout};
assign mac_dest_addr = {shft0_reg0_dout, shft0_reg1_dout, shft0_reg2_dout,
shft0_reg3_dout, shft0_reg4_dout, shft0_reg5_dout};
assign or_tag = (shft0_reg1312_trans == 16'h8100);
assign vlan_tag_id = shft0_reg1514_trans[11:0];
assign is_snap_type_0 = snap_en &
!((|shft0_reg1312_trans[15:11]) |
((~|shft0_reg1312_trans[15:11]) &
shft0_reg1312_trans[10] &
shft0_reg1312_trans[9]) &
(|shft0_reg1312_trans[8:0]));
assign is_aa_0 = shft0_reg1514_trans == 16'haaaa;
assign is_03_0 = shft1_reg0_dout == 8'h03;
assign is_snap_type_1 = snap_en &
!((|shft1_reg10_trans[15:11]) |
((~|shft1_reg10_trans[15:11]) &
shft1_reg10_trans[10] &
shft1_reg10_trans[9]) &
(|shft1_reg10_trans[8:0]));
assign is_aa_1 = shft1_reg32_trans == 16'haaaa;
assign is_03_1 = shft1_reg4_dout == 8'h03;
assign snap_type_0 = is_snap_type_0 & is_aa_0 & is_03_0;
assign snap_type_1 = is_snap_type_1 & is_aa_1 & is_03_1;
assign snap_type = or_tag ? snap_type_1 : snap_type_0;
assign encap_offset = {snap_type, or_tag};
dffre #(2) encap_offset_reg0 (cclk, reset, shft2_reg_en, encap_offset, encap_offset_reg);
always @ (
encap_offset or
shft0_reg12_dout or
shft0_reg13_dout or
shft0_reg14_dout or
shft0_reg15_dout or
shft1_reg0_dout or
shft1_reg1_dout or
shft1_reg2_dout or
shft1_reg3_dout or
shft1_reg4_dout or
shft1_reg5_dout or
shft1_reg6_dout or
shft1_reg7_dout or
shft1_reg8_dout or
shft1_reg9_dout or
shft1_reg10_dout or
shft1_reg11_dout or
shft1_reg12_dout or
shft1_reg13_dout or
shft1_reg14_dout or
shft1_reg15_dout or
shft2_reg0_dout or
shft2_reg1_dout or
shft2_reg2_dout or
shft2_reg3_dout or
shft2_reg4_dout or
shft2_reg5_dout or
shft2_reg6_dout or
shft2_reg7_dout or
shft2_reg8_dout or
shft2_reg9_dout or
shft2_reg10_dout or
shft2_reg11_dout or
shft2_reg12_dout or
shft2_reg13_dout or
shft2_reg14_dout or
shft2_reg15_dout)
begin
case (encap_offset) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:shftM_tmpN_dout_1"
2'b00: begin
shft0_tmp12_dout = shft0_reg12_dout;
shft0_tmp13_dout = shft0_reg13_dout;
shft0_tmp14_dout = shft0_reg14_dout;
shft0_tmp15_dout = shft0_reg15_dout;
shft1_tmp0_dout = shft1_reg0_dout;
shft1_tmp1_dout = shft1_reg1_dout;
shft1_tmp2_dout = shft1_reg2_dout;
shft1_tmp3_dout = shft1_reg3_dout;
shft1_tmp4_dout = shft1_reg4_dout;
shft1_tmp5_dout = shft1_reg5_dout;
shft1_tmp6_dout = shft1_reg6_dout;
shft1_tmp7_dout = shft1_reg7_dout;
shft1_tmp8_dout = shft1_reg8_dout;
shft1_tmp9_dout = shft1_reg9_dout;
shft1_tmp10_dout = shft1_reg10_dout;
shft1_tmp11_dout = shft1_reg11_dout;
shft1_tmp12_dout = shft1_reg12_dout;
shft1_tmp13_dout = shft1_reg13_dout;
shft1_tmp14_dout = shft1_reg14_dout;
shft1_tmp15_dout = shft1_reg15_dout;
shft2_tmp0_dout = shft2_reg0_dout;
shft2_tmp1_dout = shft2_reg1_dout;
shft2_tmp2_dout = shft2_reg2_dout;
shft2_tmp3_dout = shft2_reg3_dout;
end
2'b01: begin
shft0_tmp12_dout = shft1_reg0_dout;
shft0_tmp13_dout = shft1_reg1_dout;
shft0_tmp14_dout = shft1_reg2_dout;
shft0_tmp15_dout = shft1_reg3_dout;
shft1_tmp0_dout = shft1_reg4_dout;
shft1_tmp1_dout = shft1_reg5_dout;
shft1_tmp2_dout = shft1_reg6_dout;
shft1_tmp3_dout = shft1_reg7_dout;
shft1_tmp4_dout = shft1_reg8_dout;
shft1_tmp5_dout = shft1_reg9_dout;
shft1_tmp6_dout = shft1_reg10_dout;
shft1_tmp7_dout = shft1_reg11_dout;
shft1_tmp8_dout = shft1_reg12_dout;
shft1_tmp9_dout = shft1_reg13_dout;
shft1_tmp10_dout = shft1_reg14_dout;
shft1_tmp11_dout = shft1_reg15_dout;
shft1_tmp12_dout = shft2_reg0_dout;
shft1_tmp13_dout = shft2_reg1_dout;
shft1_tmp14_dout = shft2_reg2_dout;
shft1_tmp15_dout = shft2_reg3_dout;
shft2_tmp0_dout = shft2_reg4_dout;
shft2_tmp1_dout = shft2_reg5_dout;
shft2_tmp2_dout = shft2_reg6_dout;
shft2_tmp3_dout = shft2_reg7_dout;
end
2'b10: begin
shft0_tmp12_dout = shft1_reg4_dout;
shft0_tmp13_dout = shft1_reg5_dout;
shft0_tmp14_dout = shft1_reg6_dout;
shft0_tmp15_dout = shft1_reg7_dout;
shft1_tmp0_dout = shft1_reg8_dout;
shft1_tmp1_dout = shft1_reg9_dout;
shft1_tmp2_dout = shft1_reg10_dout;
shft1_tmp3_dout = shft1_reg11_dout;
shft1_tmp4_dout = shft1_reg12_dout;
shft1_tmp5_dout = shft1_reg13_dout;
shft1_tmp6_dout = shft1_reg14_dout;
shft1_tmp7_dout = shft1_reg15_dout;
shft1_tmp8_dout = shft2_reg0_dout;
shft1_tmp9_dout = shft2_reg1_dout;
shft1_tmp10_dout = shft2_reg2_dout;
shft1_tmp11_dout = shft2_reg3_dout;
shft1_tmp12_dout = shft2_reg4_dout;
shft1_tmp13_dout = shft2_reg5_dout;
shft1_tmp14_dout = shft2_reg6_dout;
shft1_tmp15_dout = shft2_reg7_dout;
shft2_tmp0_dout = shft2_reg8_dout;
shft2_tmp1_dout = shft2_reg9_dout;
shft2_tmp2_dout = shft2_reg10_dout;
shft2_tmp3_dout = shft2_reg11_dout;
end
2'b11: begin
shft0_tmp12_dout = shft1_reg8_dout;
shft0_tmp13_dout = shft1_reg9_dout;
shft0_tmp14_dout = shft1_reg10_dout;
shft0_tmp15_dout = shft1_reg11_dout;
shft1_tmp0_dout = shft1_reg12_dout;
shft1_tmp1_dout = shft1_reg13_dout;
shft1_tmp2_dout = shft1_reg14_dout;
shft1_tmp3_dout = shft1_reg15_dout;
shft1_tmp4_dout = shft2_reg0_dout;
shft1_tmp5_dout = shft2_reg1_dout;
shft1_tmp6_dout = shft2_reg2_dout;
shft1_tmp7_dout = shft2_reg3_dout;
shft1_tmp8_dout = shft2_reg4_dout;
shft1_tmp9_dout = shft2_reg5_dout;
shft1_tmp10_dout = shft2_reg6_dout;
shft1_tmp11_dout = shft2_reg7_dout;
shft1_tmp12_dout = shft2_reg8_dout;
shft1_tmp13_dout = shft2_reg9_dout;
shft1_tmp14_dout = shft2_reg10_dout;
shft1_tmp15_dout = shft2_reg11_dout;
shft2_tmp0_dout = shft2_reg12_dout;
shft2_tmp1_dout = shft2_reg13_dout;
shft2_tmp2_dout = shft2_reg14_dout;
shft2_tmp3_dout = shft2_reg15_dout;
end
default:begin
shft0_tmp12_dout = 8'b0;
shft0_tmp13_dout = 8'b0;
shft0_tmp14_dout = 8'b0;
shft0_tmp15_dout = 8'b0;
shft1_tmp0_dout = 8'b0;
shft1_tmp1_dout = 8'b0;
shft1_tmp2_dout = 8'b0;
shft1_tmp3_dout = 8'b0;
shft1_tmp4_dout = 8'b0;
shft1_tmp5_dout = 8'b0;
shft1_tmp6_dout = 8'b0;
shft1_tmp7_dout = 8'b0;
shft1_tmp8_dout = 8'b0;
shft1_tmp9_dout = 8'b0;
shft1_tmp10_dout = 8'b0;
shft1_tmp11_dout = 8'b0;
shft1_tmp12_dout = 8'b0;
shft1_tmp13_dout = 8'b0;
shft1_tmp14_dout = 8'b0;
shft1_tmp15_dout = 8'b0;
shft2_tmp0_dout = 8'b0;
shft2_tmp1_dout = 8'b0;
shft2_tmp2_dout = 8'b0;
shft2_tmp3_dout = 8'b0;
end
endcase
end
assign shft0_tmp1312_trans = {shft0_tmp12_dout,
shft0_tmp13_dout};
assign shft1_tmp54_trans = {shft1_tmp4_dout,
shft1_tmp5_dout};
assign is_ipv4 = (shft0_tmp1312_trans == `TYPE_IPV4) &
(shft0_tmp14_dout[7:4] == 4'b0100);
assign is_ipv6 = (shft0_tmp1312_trans == `TYPE_IPV6) &
(shft0_tmp14_dout[7:4] == 4'b0110);
assign ether_type_in = {is_ipv6, is_ipv4};
dffre #(2) ether_type_reg (cclk, reset, shft2_reg_en, ether_type_in, ether_type);
assign is_ip_pkt = |ether_type;
assign v4_prot_tcp = (shft1_tmp7_dout == `TCP) & ether_type[0];
assign v4_prot_udp = (shft1_tmp7_dout == `UDP) & ether_type[0];
assign v4_prot_ah = (shft1_tmp7_dout == `AH) & ether_type[0];
assign v4_prot_esp = (shft1_tmp7_dout == `ESP) & ether_type[0];
assign v4_prot_sctp = (shft1_tmp7_dout == `SCTP) & ether_type[0];
assign v6_nhdr_tcp = (shft1_tmp4_dout == `TCP) & ether_type[1];
assign v6_nhdr_udp = (shft1_tmp4_dout == `UDP) & ether_type[1];
assign v6_nhdr_ah = (shft1_tmp4_dout == `AH) & ether_type[1];
assign v6_nhdr_esp = (shft1_tmp4_dout == `ESP) & ether_type[1];
assign v6_nhdr_sctp = (shft1_tmp4_dout == `SCTP) & ether_type[1];
assign l4_protocol_dec = {(v4_prot_sctp | v6_nhdr_sctp),
(v4_prot_udp | v6_nhdr_udp),
(v4_prot_tcp | v6_nhdr_tcp)};
assign l4_protocol = noport ? 2'b00 :
l4_protocol_dec[0] ? 2'b01 :
l4_protocol_dec[1] ? 2'b10 :
l4_protocol_dec[2] ? 2'b11 : 2'b00;
assign v4_protocol_in = {v4_prot_sctp, v4_prot_esp, v4_prot_ah, v4_prot_udp, v4_prot_tcp};
assign v6_next_hdr_in = {v6_nhdr_sctp, v6_nhdr_esp, v6_nhdr_ah, v6_nhdr_udp, v6_nhdr_tcp};
dffre #(2) l4_protocol_r_reg (cclk, reset, shft3_reg_en, l4_protocol, l4_protocol_r);
dffre #(5) v4_protocol_reg (cclk, reset, shft3_reg_en, v4_protocol_in, v4_protocol);
dffre #(5) v6_next_hdr_reg (cclk, reset, shft3_reg_en, v6_next_hdr_in, v6_next_hdr);
assign ipv4_ip_hdr_len = shft0_tmp14_dout[3:0];
assign ipv4_ip_pkt_len = {shft1_tmp0_dout, shft1_tmp1_dout};
assign ipv4_frag_offset = shft1_tmp54_trans;
//assign noport = ether_type[0] & ((ipv4_frag_offset[15:13] == 3'b001) | (|ipv4_frag_offset[12:0]));
assign noport = ether_type[0] & (ipv4_frag_offset[13] | (|ipv4_frag_offset[12:0]));
assign badip = ether_type[0] & (ipv4_ip_hdr_len < 4'b0101);
assign ipv6_ip_pkt_len = {shft1_tmp2_dout, shft1_tmp3_dout};
dffre #(8) shft2_tmp2_dout_r_reg (cclk, reset, shft3_reg_en, shft2_tmp2_dout, shft2_tmp2_dout_r);
dffre #(8) shft2_tmp3_dout_r_reg (cclk, reset, shft3_reg_en, shft2_tmp3_dout, shft2_tmp3_dout_r);
dffre #(4) ipv4_ip_hdr_len_r_reg (cclk, reset, shft3_reg_en, ipv4_ip_hdr_len, ipv4_ip_hdr_len_r);
dffre #(4) ipv4_ip_hdr_len_r0_reg (cclk, reset, shft3_reg_en, ipv4_ip_hdr_len, ipv4_ip_hdr_len_r0);
dffre #(16) ipv4_ip_pkt_len_r_reg (cclk, reset, shft3_reg_en, ipv4_ip_pkt_len, ipv4_ip_pkt_len_r);
dffre #(1) noport_r_reg (cclk, reset, shft3_reg_en, noport, noport_r);
dffre #(1) badip_r_reg (cclk, reset, shft3_reg_en, badip, badip_r);
dffre #(16) ipv6_ip_pkt_len_r_reg (cclk, reset, shft3_reg_en, ipv6_ip_pkt_len, ipv6_ip_pkt_len_r);
/******************************/
//Forward Decision to IPP
/******************************/
assign fflp_ipp_data = {2'b0, pkt_id, l4_protocol_r, ipv4_ip_hdr_len_r, ether_type, encap_offset_reg};
assign fflp_ipp_dvalid_in = {4{shft3_reg_en}} & mac_port_dec[3:0];
dffr #(4) fflp_ipp_dvalid_reg (cclk, reset, fflp_ipp_dvalid_in, fflp_ipp_dvalid);
/*************************/
// Class
/*************************/
assign class_en_mask =
{
10'h3ff,
class7_hdr_byte_value[25],
class6_hdr_byte_value[25],
class5_hdr_byte_value[25],
class4_hdr_byte_value[25],
class3_hdr_byte_value[16],
class2_hdr_byte_value[16]
};
assign addr_ind_hdr_byte1 = ether_type[1] ? ipv6_next_hdr : ipv4_protocol;
assign addr_ind_hdr_byte0 = ether_type[1] ? ipv6_tos : ipv4_tos;
assign addr_ind_hdr_byte =
{
ether_type[1], //{v6,v4}
addr_ind_hdr_byte1, //Protocol
addr_ind_hdr_byte0 //TOS
};
assign addr_ind_hdr_byte_masked4 =
{
addr_ind_hdr_byte[16:8],
addr_ind_hdr_byte[7:0] & class4_hdr_byte_value[15:8]
};
assign addr_ind_hdr_byte_masked5 =
{addr_ind_hdr_byte[16:8],
addr_ind_hdr_byte[7:0] & class5_hdr_byte_value[15:8]
};
assign addr_ind_hdr_byte_masked6 =
{addr_ind_hdr_byte[16:8],
addr_ind_hdr_byte[7:0] & class6_hdr_byte_value[15:8]
};
assign addr_ind_hdr_byte_masked7 =
{addr_ind_hdr_byte[16:8],
addr_ind_hdr_byte[7:0] & class7_hdr_byte_value[15:8]
};
dffre #(16) shft0_tmp1312_trans_r_reg (cclk, reset, shft3_reg_en, shft0_tmp1312_trans, shft0_tmp1312_trans_r);
dffre #(17) addr_ind_hdr_byte_masked4_r_reg (cclk, reset, shft3_reg_en, addr_ind_hdr_byte_masked4, addr_ind_hdr_byte_masked4_r);
dffre #(17) addr_ind_hdr_byte_masked5_r_reg (cclk, reset, shft3_reg_en, addr_ind_hdr_byte_masked5, addr_ind_hdr_byte_masked5_r);
dffre #(17) addr_ind_hdr_byte_masked6_r_reg (cclk, reset, shft3_reg_en, addr_ind_hdr_byte_masked6, addr_ind_hdr_byte_masked6_r);
dffre #(17) addr_ind_hdr_byte_masked7_r_reg (cclk, reset, shft3_reg_en, addr_ind_hdr_byte_masked7, addr_ind_hdr_byte_masked7_r);
assign class4_hdr_byte_value_masked =
{
class4_hdr_byte_value[24:16],
class4_hdr_byte_value[7:0] & class4_hdr_byte_value[15:8]
};
assign class5_hdr_byte_value_masked =
{
class5_hdr_byte_value[24:16],
class5_hdr_byte_value[7:0] & class5_hdr_byte_value[15:8]
};
assign class6_hdr_byte_value_masked =
{
class6_hdr_byte_value[24:16],
class6_hdr_byte_value[7:0] & class6_hdr_byte_value[15:8]
};
assign class7_hdr_byte_value_masked =
{
class7_hdr_byte_value[24:16],
class7_hdr_byte_value[7:0] & class7_hdr_byte_value[15:8]
};
assign l2_hdr_class_match2 = (shft0_tmp1312_trans_r == class2_hdr_byte_value[15:0]);
assign l2_hdr_class_match3 = (shft0_tmp1312_trans_r == class3_hdr_byte_value[15:0]);
assign l3_hdr_class_match4 = (addr_ind_hdr_byte_masked4_r == class4_hdr_byte_value_masked) & is_ip_pkt;
assign l3_hdr_class_match5 = (addr_ind_hdr_byte_masked5_r == class5_hdr_byte_value_masked) & is_ip_pkt;
assign l3_hdr_class_match6 = (addr_ind_hdr_byte_masked6_r == class6_hdr_byte_value_masked) & is_ip_pkt;
assign l3_hdr_class_match7 = (addr_ind_hdr_byte_masked7_r == class7_hdr_byte_value_masked) & is_ip_pkt;
assign l3_hdr_class_match8 = v4_protocol[0];
assign l3_hdr_class_match9 = v4_protocol[1];
assign l3_hdr_class_match10 = v4_protocol[2] | v4_protocol[3];
assign l3_hdr_class_match11 = v4_protocol[4];
assign l3_hdr_class_match12 = v6_next_hdr[0];
assign l3_hdr_class_match13 = v6_next_hdr[1];
assign l3_hdr_class_match14 = v6_next_hdr[2] | v6_next_hdr[3];
assign l3_hdr_class_match15 = v6_next_hdr[4];
assign l3_hdr_class_match16 = (shft0_tmp1312_trans_r == `TYPE_ARP);
assign l3_hdr_class_match17 = (shft0_tmp1312_trans_r == `TYPE_RARP);
assign hdr_class_match =
{
l3_hdr_class_match17,
l3_hdr_class_match16,
l3_hdr_class_match15,
l3_hdr_class_match14,
l3_hdr_class_match13,
l3_hdr_class_match12,
l3_hdr_class_match11,
l3_hdr_class_match10,
l3_hdr_class_match9,
l3_hdr_class_match8,
l3_hdr_class_match7,
l3_hdr_class_match6,
l3_hdr_class_match5,
l3_hdr_class_match4,
l2_hdr_class_match3,
l2_hdr_class_match2
};
assign valid_hdr_class_match_in = hdr_class_match & class_en_mask;
assign class_index = class_index_enc (valid_hdr_class_match[15:0]);
assign class_index_tmp = (is_promis) ? 5'b0 : class_index;
dffre #(16) valid_hdr_class_match_reg (cclk, reset, shft4_reg_en, valid_hdr_class_match_in, valid_hdr_class_match);
dffre #(5) class_reg (cclk, reset, shft5_reg_en, class_index_tmp, class);
assign class_action = class_action_sel0
(
class[3:0],
3'b010,
3'b010,
class_action_reg4_dout[2:0],
class_action_reg5_dout[2:0],
class_action_reg6_dout[2:0],
class_action_reg7_dout[2:0],
class_action_reg8_dout[2:0],
class_action_reg9_dout[2:0],
class_action_reg10_dout[2:0],
class_action_reg11_dout[2:0],
class_action_reg12_dout[2:0],
class_action_reg13_dout[2:0],
class_action_reg14_dout[2:0],
class_action_reg15_dout[2:0]
);
assign f_key_class_action = class_action_sel1
(
class[3:0],
10'b0,
10'b0,
f_key_class_action_reg4_dout[9:0],
f_key_class_action_reg5_dout[9:0],
f_key_class_action_reg6_dout[9:0],
f_key_class_action_reg7_dout[9:0],
f_key_class_action_reg8_dout[9:0],
f_key_class_action_reg9_dout[9:0],
f_key_class_action_reg10_dout[9:0],
f_key_class_action_reg11_dout[9:0],
f_key_class_action_reg12_dout[9:0],
f_key_class_action_reg13_dout[9:0],
f_key_class_action_reg14_dout[9:0],
f_key_class_action_reg15_dout[9:0]
);
/***************************************/
//L2 RDC number
/***************************************/
assign vlan_parity_err_log_en = vlan_parity_err & shft5_reg_en;
assign masked_vlan_tbl_dout = {18{shft5_reg_en | cpu_vlan_gnt_3}} & vlan_tbl_din_reg_dout[17:0];
assign vlan_tbl_rd_data = mac_port_dec[0] ? masked_vlan_tbl_dout[3:0] :
mac_port_dec[1] ? masked_vlan_tbl_dout[7:4] :
mac_port_dec[2] ? masked_vlan_tbl_dout[12:9] :
masked_vlan_tbl_dout[16:13];
assign vlan_rdc_num = vlan_tbl_rd_data[2:0];
assign vpr = vlan_tbl_rd_data[3];
assign vlan_parity = {masked_vlan_tbl_dout[17], masked_vlan_tbl_dout[8]};
assign vlan_parity_bit = {^masked_vlan_tbl_dout[16:9], ^masked_vlan_tbl_dout[7:0]};
assign vlan_parity_err = !((vlan_parity_bit == vlan_parity) | disable_chksum) & encap_offset_reg[0];
assign use_vlan_rdc = encap_offset_reg[0] & !vlan_parity_err;
assign vlan_rdc_prio = use_vlan_rdc & vpr;
assign is_promis = !ph_match & promiscuous;
/*
always @ (use_vlan_rdc or vlan_rdc_prio or mpr or
vlan_rdc_num or mac_rdc_num)
if (vlan_rdc_prio)
l2_rdc_num = vlan_rdc_num;
else if (mpr)
l2_rdc_num = mac_rdc_num;
else if (use_vlan_rdc)
l2_rdc_num = vlan_rdc_num;
else
l2_rdc_num = mac_rdc_num;
*/
always @ (vlan_rdc_prio or vlan_rdc_num or mac_rdc_num)
if (vlan_rdc_prio)
l2_rdc_num = vlan_rdc_num;
else
l2_rdc_num = mac_rdc_num;
dffre #(3) l2_rdc_num_r_reg (cclk, reset, shft5_reg_en, l2_rdc_num, l2_rdc_num_r);
dffre #(1) vlan_parity_err_r_reg (cclk, reset, shft5_reg_en, vlan_parity_err, vlan_parity_err_r);
assign class_action_r0 = class[4] ? 2'b01 : class_action_r[2:1];
assign shft1_status = { is_promis, ph_match, class[4:0],
encap_offset_reg[0], encap_offset_reg[1], noport_r,
badip_r, l4_protocol_r[1:0], ether_type[1:0],
class_action_r0[1:0], l2_rdc_num_r[2:0]}; //20 bits
/***************************/
//Stage two
/***************************/
always @ (
encap_offset_reg or
shft2_reg4_dout or
shft2_reg5_dout or
shft2_reg6_dout or
shft2_reg7_dout or
shft2_reg8_dout or
shft2_reg9_dout or
shft2_reg10_dout or
shft2_reg11_dout or
shft2_reg12_dout or
shft2_reg13_dout or
shft2_reg14_dout or
shft2_reg15_dout or
shft3_reg0_dout or
shft3_reg1_dout or
shft3_reg2_dout or
shft3_reg3_dout or
shft3_reg4_dout or
shft3_reg5_dout or
shft3_reg6_dout or
shft3_reg7_dout or
shft3_reg8_dout or
shft3_reg9_dout or
shft3_reg10_dout or
shft3_reg11_dout or
shft3_reg12_dout or
shft3_reg13_dout or
shft3_reg14_dout or
shft3_reg15_dout or
shft4_reg0_dout or
shft4_reg1_dout or
shft4_reg2_dout or
shft4_reg3_dout or
shft4_reg4_dout or
shft4_reg5_dout or
shft4_reg6_dout or
shft4_reg7_dout or
shft4_reg8_dout or
shft4_reg9_dout or
shft4_reg10_dout or
shft4_reg11_dout or
shft4_reg12_dout or
shft4_reg13_dout or
shft4_reg14_dout or
shft4_reg15_dout or
shft5_reg0_dout or
shft5_reg1_dout or
shft5_reg2_dout or
shft5_reg3_dout or
shft5_reg4_dout or
shft5_reg5_dout or
shft5_reg6_dout or
shft5_reg7_dout or
shft5_reg8_dout or
shft5_reg9_dout or
shft5_reg10_dout or
shft5_reg11_dout or
shft5_reg12_dout or
shft5_reg13_dout or
shft5_reg14_dout or
shft5_reg15_dout or
//shft6_reg0_dout or
//shft6_reg1_dout or
shft6_reg2_dout or
shft6_reg3_dout
)
begin
case (encap_offset_reg) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:shftM_tmpN_dout_2"
2'b00: begin
shft2_tmp4_dout = shft2_reg4_dout;
shft2_tmp5_dout = shft2_reg5_dout;
shft2_tmp6_dout = shft2_reg6_dout;
shft2_tmp7_dout = shft2_reg7_dout;
shft2_tmp8_dout = shft2_reg8_dout;
shft2_tmp9_dout = shft2_reg9_dout;
shft2_tmp10_dout = shft2_reg10_dout;
shft2_tmp11_dout = shft2_reg11_dout;
shft2_tmp12_dout = shft2_reg12_dout;
shft2_tmp13_dout = shft2_reg13_dout;
shft2_tmp14_dout = shft2_reg14_dout;
shft2_tmp15_dout = shft2_reg15_dout;
shft3_tmp0_dout = shft3_reg0_dout;
shft3_tmp1_dout = shft3_reg1_dout;
shft3_tmp2_dout = shft3_reg2_dout;
shft3_tmp3_dout = shft3_reg3_dout;
shft3_tmp4_dout = shft3_reg4_dout;
shft3_tmp5_dout = shft3_reg5_dout;
shft3_tmp6_dout = shft3_reg6_dout;
shft3_tmp7_dout = shft3_reg7_dout;
shft3_tmp8_dout = shft3_reg8_dout;
shft3_tmp9_dout = shft3_reg9_dout;
shft3_tmp10_dout = shft3_reg10_dout;
shft3_tmp11_dout = shft3_reg11_dout;
shft3_tmp12_dout = shft3_reg12_dout;
shft3_tmp13_dout = shft3_reg13_dout;
shft3_tmp14_dout = shft3_reg14_dout;
shft3_tmp15_dout = shft3_reg15_dout;
shft4_tmp0_dout = shft4_reg0_dout;
shft4_tmp1_dout = shft4_reg1_dout;
shft4_tmp2_dout = shft4_reg2_dout;
shft4_tmp3_dout = shft4_reg3_dout;
shft4_tmp4_dout = shft4_reg4_dout;
shft4_tmp5_dout = shft4_reg5_dout;
shft4_tmp6_dout = shft4_reg6_dout;
shft4_tmp7_dout = shft4_reg7_dout;
shft4_tmp8_dout = shft4_reg8_dout;
shft4_tmp9_dout = shft4_reg9_dout;
shft4_tmp10_dout = shft4_reg10_dout;
shft4_tmp11_dout = shft4_reg11_dout;
shft4_tmp12_dout = shft4_reg12_dout;
shft4_tmp13_dout = shft4_reg13_dout;
shft4_tmp14_dout = shft4_reg14_dout;
shft4_tmp15_dout = shft4_reg15_dout;
shft5_tmp0_dout = shft5_reg0_dout;
shft5_tmp1_dout = shft5_reg1_dout;
shft5_tmp2_dout = shft5_reg2_dout;
shft5_tmp3_dout = shft5_reg3_dout;
//shft5_tmp4_dout = shft5_reg4_dout;
//shft5_tmp5_dout = shft5_reg5_dout;
shft5_tmp6_dout = shft5_reg6_dout;
shft5_tmp7_dout = shft5_reg7_dout;
end
2'b01: begin
shft2_tmp4_dout = shft2_reg8_dout;
shft2_tmp5_dout = shft2_reg9_dout;
shft2_tmp6_dout = shft2_reg10_dout;
shft2_tmp7_dout = shft2_reg11_dout;
shft2_tmp8_dout = shft2_reg12_dout;
shft2_tmp9_dout = shft2_reg13_dout;
shft2_tmp10_dout = shft2_reg14_dout;
shft2_tmp11_dout = shft2_reg15_dout;
shft2_tmp12_dout = shft3_reg0_dout;
shft2_tmp13_dout = shft3_reg1_dout;
shft2_tmp14_dout = shft3_reg2_dout;
shft2_tmp15_dout = shft3_reg3_dout;
shft3_tmp0_dout = shft3_reg4_dout;
shft3_tmp1_dout = shft3_reg5_dout;
shft3_tmp2_dout = shft3_reg6_dout;
shft3_tmp3_dout = shft3_reg7_dout;
shft3_tmp4_dout = shft3_reg8_dout;
shft3_tmp5_dout = shft3_reg9_dout;
shft3_tmp6_dout = shft3_reg10_dout;
shft3_tmp7_dout = shft3_reg11_dout;
shft3_tmp8_dout = shft3_reg12_dout;
shft3_tmp9_dout = shft3_reg13_dout;
shft3_tmp10_dout = shft3_reg14_dout;
shft3_tmp11_dout = shft3_reg15_dout;
shft3_tmp12_dout = shft4_reg0_dout;
shft3_tmp13_dout = shft4_reg1_dout;
shft3_tmp14_dout = shft4_reg2_dout;
shft3_tmp15_dout = shft4_reg3_dout;
shft4_tmp0_dout = shft4_reg4_dout;
shft4_tmp1_dout = shft4_reg5_dout;
shft4_tmp2_dout = shft4_reg6_dout;
shft4_tmp3_dout = shft4_reg7_dout;
shft4_tmp4_dout = shft4_reg8_dout;
shft4_tmp5_dout = shft4_reg9_dout;
shft4_tmp6_dout = shft4_reg10_dout;
shft4_tmp7_dout = shft4_reg11_dout;
shft4_tmp8_dout = shft4_reg12_dout;
shft4_tmp9_dout = shft4_reg13_dout;
shft4_tmp10_dout = shft4_reg14_dout;
shft4_tmp11_dout = shft4_reg15_dout;
shft4_tmp12_dout = shft5_reg0_dout;
shft4_tmp13_dout = shft5_reg1_dout;
shft4_tmp14_dout = shft5_reg2_dout;
shft4_tmp15_dout = shft5_reg3_dout;
shft5_tmp0_dout = shft5_reg4_dout;
shft5_tmp1_dout = shft5_reg5_dout;
shft5_tmp2_dout = shft5_reg6_dout;
shft5_tmp3_dout = shft5_reg7_dout;
//shft5_tmp4_dout = shft5_reg8_dout;
//shft5_tmp5_dout = shft5_reg9_dout;
shft5_tmp6_dout = shft5_reg10_dout;
shft5_tmp7_dout = shft5_reg11_dout;
end
2'b10: begin
shft2_tmp4_dout = shft2_reg12_dout;
shft2_tmp5_dout = shft2_reg13_dout;
shft2_tmp6_dout = shft2_reg14_dout;
shft2_tmp7_dout = shft2_reg15_dout;
shft2_tmp8_dout = shft3_reg0_dout;
shft2_tmp9_dout = shft3_reg1_dout;
shft2_tmp10_dout = shft3_reg2_dout;
shft2_tmp11_dout = shft3_reg3_dout;
shft2_tmp12_dout = shft3_reg4_dout;
shft2_tmp13_dout = shft3_reg5_dout;
shft2_tmp14_dout = shft3_reg6_dout;
shft2_tmp15_dout = shft3_reg7_dout;
shft3_tmp0_dout = shft3_reg8_dout;
shft3_tmp1_dout = shft3_reg9_dout;
shft3_tmp2_dout = shft3_reg10_dout;
shft3_tmp3_dout = shft3_reg11_dout;
shft3_tmp4_dout = shft3_reg12_dout;
shft3_tmp5_dout = shft3_reg13_dout;
shft3_tmp6_dout = shft3_reg14_dout;
shft3_tmp7_dout = shft3_reg15_dout;
shft3_tmp8_dout = shft4_reg0_dout;
shft3_tmp9_dout = shft4_reg1_dout;
shft3_tmp10_dout = shft4_reg2_dout;
shft3_tmp11_dout = shft4_reg3_dout;
shft3_tmp12_dout = shft4_reg4_dout;
shft3_tmp13_dout = shft4_reg5_dout;
shft3_tmp14_dout = shft4_reg6_dout;
shft3_tmp15_dout = shft4_reg7_dout;
shft4_tmp0_dout = shft4_reg8_dout;
shft4_tmp1_dout = shft4_reg9_dout;
shft4_tmp2_dout = shft4_reg10_dout;
shft4_tmp3_dout = shft4_reg11_dout;
shft4_tmp4_dout = shft4_reg12_dout;
shft4_tmp5_dout = shft4_reg13_dout;
shft4_tmp6_dout = shft4_reg14_dout;
shft4_tmp7_dout = shft4_reg15_dout;
shft4_tmp8_dout = shft5_reg0_dout;
shft4_tmp9_dout = shft5_reg1_dout;
shft4_tmp10_dout = shft5_reg2_dout;
shft4_tmp11_dout = shft5_reg3_dout;
shft4_tmp12_dout = shft5_reg4_dout;
shft4_tmp13_dout = shft5_reg5_dout;
shft4_tmp14_dout = shft5_reg6_dout;
shft4_tmp15_dout = shft5_reg7_dout;
shft5_tmp0_dout = shft5_reg8_dout;
shft5_tmp1_dout = shft5_reg9_dout;
shft5_tmp2_dout = shft5_reg10_dout;
shft5_tmp3_dout = shft5_reg11_dout;
//shft5_tmp4_dout = shft5_reg12_dout;
//shft5_tmp5_dout = shft5_reg13_dout;
shft5_tmp6_dout = shft5_reg14_dout;
shft5_tmp7_dout = shft5_reg15_dout;
end
2'b11: begin
shft2_tmp4_dout = shft3_reg0_dout;
shft2_tmp5_dout = shft3_reg1_dout;
shft2_tmp6_dout = shft3_reg2_dout;
shft2_tmp7_dout = shft3_reg3_dout;
shft2_tmp8_dout = shft3_reg4_dout;
shft2_tmp9_dout = shft3_reg5_dout;
shft2_tmp10_dout = shft3_reg6_dout;
shft2_tmp11_dout = shft3_reg7_dout;
shft2_tmp12_dout = shft3_reg8_dout;
shft2_tmp13_dout = shft3_reg9_dout;
shft2_tmp14_dout = shft3_reg10_dout;
shft2_tmp15_dout = shft3_reg11_dout;
shft3_tmp0_dout = shft3_reg12_dout;
shft3_tmp1_dout = shft3_reg13_dout;
shft3_tmp2_dout = shft3_reg14_dout;
shft3_tmp3_dout = shft3_reg15_dout;
shft3_tmp4_dout = shft4_reg0_dout;
shft3_tmp5_dout = shft4_reg1_dout;
shft3_tmp6_dout = shft4_reg2_dout;
shft3_tmp7_dout = shft4_reg3_dout;
shft3_tmp8_dout = shft4_reg4_dout;
shft3_tmp9_dout = shft4_reg5_dout;
shft3_tmp10_dout = shft4_reg6_dout;
shft3_tmp11_dout = shft4_reg7_dout;
shft3_tmp12_dout = shft4_reg8_dout;
shft3_tmp13_dout = shft4_reg9_dout;
shft3_tmp14_dout = shft4_reg10_dout;
shft3_tmp15_dout = shft4_reg11_dout;
shft4_tmp0_dout = shft4_reg12_dout;
shft4_tmp1_dout = shft4_reg13_dout;
shft4_tmp2_dout = shft4_reg14_dout;
shft4_tmp3_dout = shft4_reg15_dout;
shft4_tmp4_dout = shft5_reg0_dout;
shft4_tmp5_dout = shft5_reg1_dout;
shft4_tmp6_dout = shft5_reg2_dout;
shft4_tmp7_dout = shft5_reg3_dout;
shft4_tmp8_dout = shft5_reg4_dout;
shft4_tmp9_dout = shft5_reg5_dout;
shft4_tmp10_dout = shft5_reg6_dout;
shft4_tmp11_dout = shft5_reg7_dout;
shft4_tmp12_dout = shft5_reg8_dout;
shft4_tmp13_dout = shft5_reg9_dout;
shft4_tmp14_dout = shft5_reg10_dout;
shft4_tmp15_dout = shft5_reg11_dout;
shft5_tmp0_dout = shft5_reg12_dout;
shft5_tmp1_dout = shft5_reg13_dout;
shft5_tmp2_dout = shft5_reg14_dout;
shft5_tmp3_dout = shft5_reg15_dout;
//shft5_tmp4_dout = shft6_reg0_dout;
//shft5_tmp5_dout = shft6_reg1_dout;
shft5_tmp6_dout = shft6_reg2_dout;
shft5_tmp7_dout = shft6_reg3_dout;
end
default:begin
shft2_tmp4_dout = 8'b0;
shft2_tmp5_dout = 8'b0;
shft2_tmp6_dout = 8'b0;
shft2_tmp7_dout = 8'b0;
shft2_tmp8_dout = 8'b0;
shft2_tmp9_dout = 8'b0;
shft2_tmp10_dout = 8'b0;
shft2_tmp11_dout = 8'b0;
shft2_tmp12_dout = 8'b0;
shft2_tmp13_dout = 8'b0;
shft2_tmp14_dout = 8'b0;
shft2_tmp15_dout = 8'b0;
shft3_tmp0_dout = 8'b0;
shft3_tmp1_dout = 8'b0;
shft3_tmp2_dout = 8'b0;
shft3_tmp3_dout = 8'b0;
shft3_tmp4_dout = 8'b0;
shft3_tmp5_dout = 8'b0;
shft3_tmp6_dout = 8'b0;
shft3_tmp7_dout = 8'b0;
shft3_tmp8_dout = 8'b0;
shft3_tmp9_dout = 8'b0;
shft3_tmp10_dout = 8'b0;
shft3_tmp11_dout = 8'b0;
shft3_tmp12_dout = 8'b0;
shft3_tmp13_dout = 8'b0;
shft3_tmp14_dout = 8'b0;
shft3_tmp15_dout = 8'b0;
shft4_tmp0_dout = 8'b0;
shft4_tmp1_dout = 8'b0;
shft4_tmp2_dout = 8'b0;
shft4_tmp3_dout = 8'b0;
shft4_tmp4_dout = 8'b0;
shft4_tmp5_dout = 8'b0;
shft4_tmp6_dout = 8'b0;
shft4_tmp7_dout = 8'b0;
shft4_tmp8_dout = 8'b0;
shft4_tmp9_dout = 8'b0;
shft4_tmp10_dout = 8'b0;
shft4_tmp11_dout = 8'b0;
shft4_tmp12_dout = 8'b0;
shft4_tmp13_dout = 8'b0;
shft4_tmp14_dout = 8'b0;
shft4_tmp15_dout = 8'b0;
shft5_tmp0_dout = 8'b0;
shft5_tmp1_dout = 8'b0;
shft5_tmp2_dout = 8'b0;
shft5_tmp3_dout = 8'b0;
//shft5_tmp4_dout = 8'b0;
//shft5_tmp5_dout = 8'b0;
shft5_tmp6_dout = 8'b0;
shft5_tmp7_dout = 8'b0;
end
endcase
end
assign ipv4_tos = shft0_tmp15_dout;
assign ipv4_protocol = shft1_tmp7_dout;
assign ipv4_src_addr = {shft1_tmp10_dout, shft1_tmp11_dout,
shft1_tmp12_dout, shft1_tmp13_dout};
assign ipv4_dest_addr = {shft1_tmp14_dout, shft1_tmp15_dout,
shft2_tmp0_dout, shft2_tmp1_dout};
/*
assign ipv4_ah_spi = {shft2_tmp6_dout, shft2_tmp7_dout,
shft2_tmp8_dout, shft2_tmp9_dout};
assign ipv4_esp_spi = {shft2_tmp2_dout, shft2_tmp3_dout,
shft2_tmp4_dout, shft2_tmp5_dout};
*/
assign ipv6_tos = {shft0_tmp14_dout[3:0], shft0_tmp15_dout[7:4]};
assign ipv6_next_hdr = shft1_tmp4_dout;
assign ipv6_src_addr = {shft1_tmp6_dout, shft1_tmp7_dout,
shft1_tmp8_dout, shft1_tmp9_dout,
shft1_tmp10_dout, shft1_tmp11_dout,
shft1_tmp12_dout, shft1_tmp13_dout,
shft1_tmp14_dout, shft1_tmp15_dout,
shft2_tmp0_dout, shft2_tmp1_dout,
shft2_tmp2_dout, shft2_tmp3_dout,
shft2_tmp4_dout, shft2_tmp5_dout};
assign ipv6_dest_addr_pre = {shft2_tmp6_dout, shft2_tmp7_dout,
shft2_tmp8_dout, shft2_tmp9_dout,
shft2_tmp10_dout, shft2_tmp11_dout,
shft2_tmp12_dout, shft2_tmp13_dout};
assign ipv6_dest_addr_suf = {shft2_tmp14_dout, shft2_tmp15_dout,
shft3_tmp0_dout, shft3_tmp1_dout,
shft3_tmp2_dout, shft3_tmp3_dout,
shft3_tmp4_dout, shft3_tmp5_dout};
assign ipv6_dest_addr = {ipv6_dest_addr_pre, ipv6_dest_addr_suf};
assign ipv6_tcp_src_port = {shft3_tmp6_dout, shft3_tmp7_dout};
assign ipv6_tcp_dest_port = {shft3_tmp8_dout, shft3_tmp9_dout};
/*
assign ipv6_ah_spi = {shft3_tmp10_dout, shft3_tmp11_dout,
shft3_tmp12_dout, shft3_tmp13_dout};
assign ipv6_esp_spi = {shft3_tmp6_dout, shft3_tmp7_dout,
shft3_tmp8_dout, shft3_tmp9_dout};
*/
/*******************************************/
//Extract IPV4/TCP ports (shift5, stage6_en)
/*******************************************/
always @ (
ipv4_ip_hdr_len_r[1:0] or
shft2_tmp2_dout_r or
shft2_tmp3_dout_r or
shft2_tmp4_dout or
shft2_tmp5_dout or
shft2_tmp6_dout or
shft2_tmp7_dout or
shft2_tmp8_dout or
shft2_tmp9_dout or
shft2_tmp10_dout or
shft2_tmp11_dout or
shft2_tmp12_dout or
shft2_tmp13_dout)
begin
case (ipv4_ip_hdr_len_r[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_port_1"
2'b00, 2'b01: v4_tcp_port_01 = {shft2_tmp2_dout_r, shft2_tmp3_dout_r, shft2_tmp4_dout, shft2_tmp5_dout};
2'b10: v4_tcp_port_01 = {shft2_tmp6_dout, shft2_tmp7_dout, shft2_tmp8_dout, shft2_tmp9_dout};
2'b11: v4_tcp_port_01 = {shft2_tmp10_dout, shft2_tmp11_dout, shft2_tmp12_dout, shft2_tmp13_dout};
default: v4_tcp_port_01 = 32'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r[1:0] or
shft2_tmp14_dout or
shft2_tmp15_dout or
shft3_tmp0_dout or
shft3_tmp1_dout or
shft3_tmp2_dout or
shft3_tmp3_dout or
shft3_tmp4_dout or
shft3_tmp5_dout or
shft3_tmp6_dout or
shft3_tmp7_dout or
shft3_tmp8_dout or
shft3_tmp9_dout or
shft3_tmp10_dout or
shft3_tmp11_dout or
shft3_tmp12_dout or
shft3_tmp13_dout)
begin
case (ipv4_ip_hdr_len_r[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_port_2"
2'b00: v4_tcp_port_10 = {shft2_tmp14_dout, shft2_tmp15_dout, shft3_tmp0_dout, shft3_tmp1_dout};
2'b01: v4_tcp_port_10 = {shft3_tmp2_dout, shft3_tmp3_dout, shft3_tmp4_dout, shft3_tmp5_dout};
2'b10: v4_tcp_port_10 = {shft3_tmp6_dout, shft3_tmp7_dout, shft3_tmp8_dout, shft3_tmp9_dout};
2'b11: v4_tcp_port_10 = {shft3_tmp10_dout, shft3_tmp11_dout, shft3_tmp12_dout, shft3_tmp13_dout};
default: v4_tcp_port_10 = 32'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r[1:0] or
shft3_tmp14_dout or
shft3_tmp15_dout or
shft4_tmp0_dout or
shft4_tmp1_dout or
shft4_tmp2_dout or
shft4_tmp3_dout or
shft4_tmp4_dout or
shft4_tmp5_dout or
shft4_tmp6_dout or
shft4_tmp7_dout or
shft4_tmp8_dout or
shft4_tmp9_dout or
shft4_tmp10_dout or
shft4_tmp11_dout or
shft4_tmp12_dout or
shft4_tmp13_dout)
begin
case (ipv4_ip_hdr_len_r[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_port_3"
2'b00: v4_tcp_port_11 = {shft3_tmp14_dout, shft3_tmp15_dout, shft4_tmp0_dout, shft4_tmp1_dout};
2'b01: v4_tcp_port_11 = {shft4_tmp2_dout, shft4_tmp3_dout, shft4_tmp4_dout, shft4_tmp5_dout};
2'b10: v4_tcp_port_11 = {shft4_tmp6_dout, shft4_tmp7_dout, shft4_tmp8_dout, shft4_tmp9_dout};
2'b11: v4_tcp_port_11 = {shft4_tmp10_dout, shft4_tmp11_dout, shft4_tmp12_dout, shft4_tmp13_dout};
default: v4_tcp_port_11 = 32'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r[3:2] or
v4_tcp_port_01_r or
v4_tcp_port_10_r or
v4_tcp_port_11)
begin
case (ipv4_ip_hdr_len_r[3:2]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_port_4"
2'b00, 2'b01: v4_tcp_port = v4_tcp_port_01_r;
2'b10: v4_tcp_port = v4_tcp_port_10_r;
2'b11: v4_tcp_port = v4_tcp_port_11;
default: v4_tcp_port = 32'b0;
endcase
end
dffre #(32) v4_tcp_port_01_r_reg (cclk, reset, shft4_reg_en, v4_tcp_port_01, v4_tcp_port_01_r);
dffre #(32) v4_tcp_port_10_r_reg (cclk, reset, shft5_reg_en, v4_tcp_port_10, v4_tcp_port_10_r);
dffre #(8) ipv4_tos_r_reg (cclk, reset, shft5_reg_en, ipv4_tos, ipv4_tos_r);
dffre #(8) ipv4_protocol_r_reg (cclk, reset, shft5_reg_en, ipv4_protocol, ipv4_protocol_r);
dffre #(32) ipv4_src_addr_r_reg (cclk, reset, shft5_reg_en, ipv4_src_addr, ipv4_src_addr_r);
dffre #(32) ipv4_dest_addr_r_reg (cclk, reset, shft5_reg_en, ipv4_dest_addr, ipv4_dest_addr_r);
/*
dffre #(32) ipv4_ah_spi_r_reg (cclk, reset, shft5_reg_en, ipv4_ah_spi, ipv4_ah_spi_r);
dffre #(32) ipv4_esp_spi_r_reg (cclk, reset, shft5_reg_en, ipv4_esp_spi, ipv4_esp_spi_r);
*/
dffre #(8) ipv6_tos_r_reg (cclk, reset, shft5_reg_en, ipv6_tos, ipv6_tos_r);
dffre #(8) ipv6_next_hdr_r_reg (cclk, reset, shft5_reg_en, ipv6_next_hdr, ipv6_next_hdr_r);
dffre #(128) ipv6_src_addr_r_reg (cclk, reset, shft5_reg_en, ipv6_src_addr, ipv6_src_addr_r);
dffre #(128) ipv6_dest_addr_r_reg (cclk, reset, shft5_reg_en, ipv6_dest_addr, ipv6_dest_addr_r);
dffre #(16) ipv6_tcp_src_port_r_reg (cclk, reset, shft5_reg_en, ipv6_tcp_src_port, ipv6_tcp_src_port_r);
dffre #(16) ipv6_tcp_dest_port_r_reg (cclk, reset, shft5_reg_en, ipv6_tcp_dest_port,ipv6_tcp_dest_port_r);
/*
dffre #(32) ipv6_ah_spi_r_reg (cclk, reset, shft5_reg_en, ipv6_ah_spi, ipv6_ah_spi_r);
dffre #(32) ipv6_esp_spi_r_reg (cclk, reset, shft5_reg_en, ipv6_esp_spi, ipv6_esp_spi_r);
*/
dffre #(32) v4_tcp_port_r_reg (cclk, reset, shft6_reg_en, v4_tcp_port, v4_tcp_port_r); //{src, dest}
assign v6_tcp_port_r = {ipv6_tcp_src_port_r, ipv6_tcp_dest_port_r};
/******************************/
//Gen raw key
/******************************/
assign do_raw_key = (class[4:2] == 3'b0) | (class[4] == 1'b1);
assign raw_cam_key = {shft1_tmp8_dout, shft1_tmp7_dout,
shft1_tmp6_dout, shft1_tmp5_dout,
shft1_tmp4_dout, shft1_tmp3_dout,
shft1_tmp2_dout, shft1_tmp1_dout,
shft1_tmp0_dout, shft0_tmp15_dout,
shft0_tmp14_dout};
dffre #(88) raw_cam_key_r_reg (cclk, reset, shft3_reg_en, raw_cam_key, raw_cam_key_r);
dffre #(1) do_raw_key_r_reg (cclk, reset, shft6_reg_en, do_raw_key, do_raw_key_r);
/********************************/
//GEN TCAM key (stage7_en)
/********************************/
dffre #(3) class_action_r_reg (cclk, reset, shft6_reg_en, class_action, class_action_r);
assign class_action_ipaddr = class_action_r[0];
assign v4_cam_key = {class, 5'b0, l2_rdc_num_r, noport_r, 74'b0, ipv4_tos_r, ipv4_protocol_r, v4_tcp_port_r, ipv4_src_addr_r, ipv4_dest_addr_r};
assign v4_cam_key_ah = {class, 5'b0, l2_rdc_num_r, noport_r, 74'b0, ipv4_tos_r, ipv4_protocol_r, v4_seq_num_r, ipv4_src_addr_r, ipv4_dest_addr_r};
assign v4_cam_key_esp = {class, 5'b0, l2_rdc_num_r, noport_r, 74'b0, ipv4_tos_r, ipv4_protocol_r, v4_tcp_port_r, ipv4_src_addr_r, ipv4_dest_addr_r};
assign v6_cam_key_src = {class, 5'b0, l2_rdc_num_r, 11'b0, ipv6_tos_r, ipv6_next_hdr_r, v6_tcp_port_r, ipv6_src_addr_r};
assign v6_cam_key_src_ah = {class, 5'b0, l2_rdc_num_r, 11'b0, ipv6_tos_r, ipv6_next_hdr_r, v6_seq_num_r, ipv6_src_addr_r};
assign v6_cam_key_src_esp = {class, 5'b0, l2_rdc_num_r, 11'b0, ipv6_tos_r, ipv6_next_hdr_r, v6_tcp_port_r, ipv6_src_addr_r};
assign v6_cam_key_dest = {class, 5'b0, l2_rdc_num_r, 11'b0, ipv6_tos_r, ipv6_next_hdr_r, v6_tcp_port_r, ipv6_dest_addr_r};
assign v6_cam_key_dest_ah = {class, 5'b0, l2_rdc_num_r, 11'b0, ipv6_tos_r, ipv6_next_hdr_r, v6_seq_num_r, ipv6_dest_addr_r};
assign v6_cam_key_dest_esp = {class, 5'b0, l2_rdc_num_r, 11'b0, ipv6_tos_r, ipv6_next_hdr_r, v6_tcp_port_r, ipv6_dest_addr_r};
assign v4_5t_cam_key = v4_protocol[3] ? v4_cam_key_esp :
v4_protocol[2] ? v4_cam_key_ah :
v4_cam_key;
assign v6_4t_cam_key = !class_action_ipaddr & v6_next_hdr[3] ? v6_cam_key_dest_esp :
!class_action_ipaddr & v6_next_hdr[2] ? v6_cam_key_dest_ah :
!class_action_ipaddr ? v6_cam_key_dest :
class_action_ipaddr & v6_next_hdr[3] ? v6_cam_key_src_esp :
class_action_ipaddr & v6_next_hdr[2] ? v6_cam_key_src_ah :
v6_cam_key_src;
assign raw_cam_key_r0 = {class, 3'b0, raw_cam_key_r, 104'b0};
assign tcam_key = do_raw_key_r ? raw_cam_key_r0 :
ether_type[0] ? v4_5t_cam_key :
v6_4t_cam_key;
dffre #(200) tcam_key_r_reg (cclk, reset, shft7_reg_en, tcam_key, tcam_key_r);
/********************************/
//GEN FLOW CAM key (stage7_en)
/********************************/
dffre #(10) f_key_class_action_r_reg (cclk, reset, shft6_reg_en, f_key_class_action, f_key_class_action_r);
assign f_key_class_action_l4_1 = f_key_class_action_r[1:0];
assign f_key_class_action_l4_0 = f_key_class_action_r[3:2];
assign f_key_class_action_prot = f_key_class_action_r[4];
assign f_key_class_action_ip_da = f_key_class_action_r[5];
assign f_key_class_action_ip_sa = f_key_class_action_r[6];
assign f_key_class_action_vlan = f_key_class_action_r[7];
assign f_key_class_action_l2_da = f_key_class_action_r[8];
assign f_key_class_action_vport = f_key_class_action_r[9];
assign prot_bytes = ether_type[1] ? ipv6_next_hdr_r : ipv4_protocol_r;
assign ip_da_bytes_0 = ether_type[1] ? ipv6_dest_addr_r[31:0] : ipv4_dest_addr_r[31:0];
assign ip_da_bytes_1 = ether_type[1] ? ipv6_dest_addr_r[63:32] : 32'b0;
assign ip_da_bytes_2 = ether_type[1] ? ipv6_dest_addr_r[95:64] : 32'b0;
assign ip_da_bytes_3 = ether_type[1] ? ipv6_dest_addr_r[127:96] : 32'b0;
assign ip_sa_bytes_0 = ether_type[1] ? ipv6_src_addr_r[31:0] : ipv4_src_addr_r[31:0];
assign ip_sa_bytes_1 = ether_type[1] ? ipv6_src_addr_r[63:32] : 32'b0;
assign ip_sa_bytes_2 = ether_type[1] ? ipv6_src_addr_r[95:64] : 32'b0;
assign ip_sa_bytes_3 = ether_type[1] ? ipv6_src_addr_r[127:96] : 32'b0;
assign vlan_bytes_valid = encap_offset_reg[0] & f_key_class_action_vlan;
assign f_key_l4_1_bytes = (f_key_class_action_l4_1 == 2'b00) ? 16'b0 :
(f_key_class_action_l4_1 == 2'b01) ? 16'b0 :
(f_key_class_action_l4_1 == 2'b10) ? tcp_port[15:0] :
tcp_seq_num[15:0];
assign f_key_l4_0_bytes = (f_key_class_action_l4_0 == 2'b00) ? 16'b0 :
(f_key_class_action_l4_0 == 2'b01) ? 16'b0 :
(f_key_class_action_l4_0 == 2'b10) ? tcp_port[31:16] :
tcp_seq_num[31:16];
assign f_key_prot_bytes = f_key_class_action_prot ? prot_bytes : 8'b0;
assign f_key_ip_da_bytes_0 = f_key_class_action_ip_da ? ip_da_bytes_0 : 32'b0;
assign f_key_ip_da_bytes_1 = f_key_class_action_ip_da ? ip_da_bytes_1 : 32'b0;
assign f_key_ip_da_bytes_2 = f_key_class_action_ip_da ? ip_da_bytes_2 : 32'b0;
assign f_key_ip_da_bytes_3 = f_key_class_action_ip_da ? ip_da_bytes_3 : 32'b0;
assign f_key_ip_sa_bytes_0 = f_key_class_action_ip_sa ? ip_sa_bytes_0 : 32'b0;
assign f_key_ip_sa_bytes_1 = f_key_class_action_ip_sa ? ip_sa_bytes_1 : 32'b0;
assign f_key_ip_sa_bytes_2 = f_key_class_action_ip_sa ? ip_sa_bytes_2 : 32'b0;
assign f_key_ip_sa_bytes_3 = f_key_class_action_ip_sa ? ip_sa_bytes_3 : 32'b0;
assign f_key_vlan_valid = vlan_bytes_valid ? 4'b1111 : 4'b0000;
assign f_key_vlan_bytes = vlan_bytes_valid ? vlan_tag_id[11:0] : 12'b0;
assign f_key_l2_da_bytes = f_key_class_action_l2_da ? mac_dest_addr : 48'b0;
assign f_key_vport_bytes = f_key_class_action_vport ? mac_port : 2'b0;
assign flow_key = {f_key_vlan_valid, f_key_l2_da_bytes, f_key_vlan_bytes,
f_key_ip_sa_bytes_3, f_key_ip_sa_bytes_2,
f_key_ip_sa_bytes_1, f_key_ip_sa_bytes_0,
f_key_ip_da_bytes_3, f_key_ip_da_bytes_2,
f_key_ip_da_bytes_1, f_key_ip_da_bytes_0,
f_key_l4_0_bytes, f_key_l4_1_bytes, f_key_prot_bytes, f_key_vport_bytes};
dffre #(362) flow_key_r_reg (cclk, reset, shft7_reg_en, flow_key, flow_key_r);
/********************************/
//Extract TCP SEQUENCE NUMBER
/********************************/
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft2_tmp6_dout or
shft2_tmp7_dout or
shft2_tmp8_dout or
shft2_tmp9_dout or
shft2_tmp10_dout or
shft2_tmp11_dout or
shft2_tmp12_dout or
shft2_tmp13_dout or
shft2_tmp14_dout or
shft2_tmp15_dout or
shft3_tmp0_dout or
shft3_tmp1_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_seq_num_1"
2'b00, 2'b01: v4_seq_num_01 = {shft2_tmp6_dout, shft2_tmp7_dout, shft2_tmp8_dout, shft2_tmp9_dout};
2'b10: v4_seq_num_01 = {shft2_tmp10_dout, shft2_tmp11_dout, shft2_tmp12_dout, shft2_tmp13_dout};
2'b11: v4_seq_num_01 = {shft2_tmp14_dout, shft2_tmp15_dout, shft3_tmp0_dout, shft3_tmp1_dout};
default: v4_seq_num_01 = 32'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft3_tmp2_dout or
shft3_tmp3_dout or
shft3_tmp4_dout or
shft3_tmp5_dout or
shft3_tmp6_dout or
shft3_tmp7_dout or
shft3_tmp8_dout or
shft3_tmp9_dout or
shft3_tmp10_dout or
shft3_tmp11_dout or
shft3_tmp12_dout or
shft3_tmp13_dout or
shft3_tmp14_dout or
shft3_tmp15_dout or
shft4_tmp0_dout or
shft4_tmp1_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_seq_num_2"
2'b00: v4_seq_num_10 = {shft3_tmp2_dout, shft3_tmp3_dout, shft3_tmp4_dout, shft3_tmp5_dout};
2'b01: v4_seq_num_10 = {shft3_tmp6_dout, shft3_tmp7_dout, shft3_tmp8_dout, shft3_tmp9_dout};
2'b10: v4_seq_num_10 = {shft3_tmp10_dout, shft3_tmp11_dout, shft3_tmp12_dout, shft3_tmp13_dout};
2'b11: v4_seq_num_10 = {shft3_tmp14_dout, shft3_tmp15_dout, shft4_tmp0_dout, shft4_tmp1_dout};
default: v4_seq_num_10 = 32'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft4_tmp2_dout or
shft4_tmp3_dout or
shft4_tmp4_dout or
shft4_tmp5_dout or
shft4_tmp6_dout or
shft4_tmp7_dout or
shft4_tmp8_dout or
shft4_tmp9_dout or
shft4_tmp10_dout or
shft4_tmp11_dout or
shft4_tmp12_dout or
shft4_tmp13_dout or
shft4_tmp14_dout or
shft4_tmp15_dout or
shft5_tmp0_dout or
shft5_tmp1_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_seq_num_3"
2'b00: v4_seq_num_11 = {shft4_tmp2_dout, shft4_tmp3_dout, shft4_tmp4_dout, shft4_tmp5_dout};
2'b01: v4_seq_num_11 = {shft4_tmp6_dout, shft4_tmp7_dout, shft4_tmp8_dout, shft4_tmp9_dout};
2'b10: v4_seq_num_11 = {shft4_tmp10_dout, shft4_tmp11_dout, shft4_tmp12_dout, shft4_tmp13_dout};
2'b11: v4_seq_num_11 = {shft4_tmp14_dout, shft4_tmp15_dout, shft5_tmp0_dout, shft5_tmp1_dout};
default: v4_seq_num_11 = 32'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[3:2] or
v4_seq_num_01_r or
v4_seq_num_10_r or
v4_seq_num_11)
begin
case (ipv4_ip_hdr_len_r0[3:2]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_seq_num_4"
2'b00, 2'b01: v4_seq_num = v4_seq_num_01_r;
2'b10: v4_seq_num = v4_seq_num_10_r;
2'b11: v4_seq_num = v4_seq_num_11;
default: v4_seq_num = 32'b0;
endcase
end
assign v6_seq_num = {shft3_tmp10_dout, shft3_tmp11_dout, shft3_tmp12_dout, shft3_tmp13_dout};
dffre #(32) v4_seq_num_01_r_reg (cclk, reset, shft4_reg_en, v4_seq_num_01, v4_seq_num_01_r);
dffre #(32) v4_seq_num_10_r_reg (cclk, reset, shft5_reg_en, v4_seq_num_10, v4_seq_num_10_r);
dffre #(32) v4_seq_num_r_reg (cclk, reset, shft6_reg_en, v4_seq_num, v4_seq_num_r);
dffre #(32) v6_seq_num_r_reg (cclk, reset, shft5_reg_en, v6_seq_num, v6_seq_num_r);
/********************************/
//Extract TCP LEN FIELD
/********************************/
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft2_tmp14_dout or
shft3_tmp2_dout or
shft3_tmp6_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_len_1"
2'b00, 2'b01: v4_tcp_len_01 = shft2_tmp14_dout[7:4];
2'b10: v4_tcp_len_01 = shft3_tmp2_dout[7:4];
2'b11: v4_tcp_len_01 = shft3_tmp6_dout[7:4];
default: v4_tcp_len_01 = 4'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft3_tmp10_dout or
shft3_tmp14_dout or
shft4_tmp2_dout or
shft4_tmp6_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_len_2"
2'b00: v4_tcp_len_10 = shft3_tmp10_dout[7:4];
2'b01: v4_tcp_len_10 = shft3_tmp14_dout[7:4];
2'b10: v4_tcp_len_10 = shft4_tmp2_dout[7:4];
2'b11: v4_tcp_len_10 = shft4_tmp6_dout[7:4];
default: v4_tcp_len_10 = 4'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft4_tmp10_dout or
shft4_tmp14_dout or
shft5_tmp2_dout or
shft5_tmp6_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_len_3"
2'b00: v4_tcp_len_11 = shft4_tmp10_dout[7:4];
2'b01: v4_tcp_len_11 = shft4_tmp14_dout[7:4];
2'b10: v4_tcp_len_11 = shft5_tmp2_dout[7:4];
2'b11: v4_tcp_len_11 = shft5_tmp6_dout[7:4];
default: v4_tcp_len_11 = 4'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[3:2] or
v4_tcp_len_01_r or
v4_tcp_len_10_r or
v4_tcp_len_11)
begin
case (ipv4_ip_hdr_len_r0[3:2]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_len_4"
2'b00, 2'b01: v4_tcp_len = v4_tcp_len_01_r;
2'b10: v4_tcp_len = v4_tcp_len_10_r;
2'b11: v4_tcp_len = v4_tcp_len_11;
default: v4_tcp_len = 4'b0;
endcase
end
assign v6_tcp_len = shft4_tmp2_dout[7:4];
dffre #(4) v4_tcp_len_01_r_reg (cclk, reset, shft5_reg_en, v4_tcp_len_01, v4_tcp_len_01_r);
dffre #(4) v4_tcp_len_10_r_reg (cclk, reset, shft6_reg_en, v4_tcp_len_10, v4_tcp_len_10_r);
dffre #(4) v4_tcp_len_r_reg (cclk, reset, shft7_reg_en, v4_tcp_len, v4_tcp_len_r);
dffre #(4) v6_tcp_len_r_reg (cclk, reset, shft5_reg_en, v6_tcp_len, v6_tcp_len_r);
/********************************/
//Extract TCP CONTROL FLAG
/********************************/
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft2_tmp15_dout or shft2_tmp14_dout or
shft3_tmp3_dout or shft3_tmp2_dout or
shft3_tmp7_dout or shft3_tmp6_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_flag_1"
2'b00, 2'b01: v4_tcp_flag_01 = {shft2_tmp14_dout[3:0], shft2_tmp15_dout[7:0]};
2'b10: v4_tcp_flag_01 = {shft3_tmp2_dout[3:0], shft3_tmp3_dout[7:0]};
2'b11: v4_tcp_flag_01 = {shft3_tmp6_dout[3:0], shft3_tmp7_dout[7:0]};
default: v4_tcp_flag_01 = 12'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft3_tmp11_dout or shft3_tmp10_dout or
shft3_tmp15_dout or shft3_tmp14_dout or
shft4_tmp3_dout or shft4_tmp2_dout or
shft4_tmp7_dout or shft4_tmp6_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_flag_2"
2'b00: v4_tcp_flag_10 = {shft3_tmp10_dout[3:0], shft3_tmp11_dout[7:0]};
2'b01: v4_tcp_flag_10 = {shft3_tmp14_dout[3:0], shft3_tmp15_dout[7:0]};
2'b10: v4_tcp_flag_10 = {shft4_tmp2_dout[3:0], shft4_tmp3_dout[7:0]};
2'b11: v4_tcp_flag_10 = {shft4_tmp6_dout[3:0], shft4_tmp7_dout[7:0]};
default: v4_tcp_flag_10 = 12'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[1:0] or
shft4_tmp11_dout or shft4_tmp10_dout or
shft4_tmp15_dout or shft4_tmp14_dout or
shft5_tmp3_dout or shft5_tmp2_dout or
shft5_tmp7_dout or shft5_tmp6_dout)
begin
case (ipv4_ip_hdr_len_r0[1:0]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_flag_3"
2'b00: v4_tcp_flag_11 = {shft4_tmp10_dout[3:0], shft4_tmp11_dout[7:0]};
2'b01: v4_tcp_flag_11 = {shft4_tmp14_dout[3:0], shft4_tmp15_dout[7:0]};
2'b10: v4_tcp_flag_11 = {shft5_tmp2_dout[3:0], shft5_tmp3_dout[7:0]};
2'b11: v4_tcp_flag_11 = {shft5_tmp6_dout[3:0], shft5_tmp7_dout[7:0]};
default: v4_tcp_flag_11 = 12'b0;
endcase
end
always @ (
ipv4_ip_hdr_len_r0[3:2] or
v4_tcp_flag_01_r or
v4_tcp_flag_10_r or
v4_tcp_flag_11)
begin
case (ipv4_ip_hdr_len_r0[3:2]) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:v4_tcp_flag_4"
2'b00, 2'b01: v4_tcp_flag = v4_tcp_flag_01_r;
2'b10: v4_tcp_flag = v4_tcp_flag_10_r;
2'b11: v4_tcp_flag = v4_tcp_flag_11;
default: v4_tcp_flag = 12'b0;
endcase
end
assign v6_tcp_flag = {shft4_tmp2_dout[3:0], shft4_tmp3_dout[7:0]};
dffre #(12) v4_tcp_flag_01_r_reg (cclk, reset, shft5_reg_en, v4_tcp_flag_01, v4_tcp_flag_01_r);
dffre #(12) v4_tcp_flag_10_r_reg (cclk, reset, shft6_reg_en, v4_tcp_flag_10, v4_tcp_flag_10_r);
dffre #(12) v4_tcp_flag_r_reg (cclk, reset, shft7_reg_en, v4_tcp_flag, v4_tcp_flag_r);
dffre #(12) v6_tcp_flag_r_reg (cclk, reset, shft5_reg_en, v6_tcp_flag, v6_tcp_flag_r);
always @ (ether_type or
ipv4_ip_pkt_len_r or
ipv6_ip_pkt_len_r or
v4_tcp_port_r or
ipv6_tcp_src_port_r or
ipv6_tcp_dest_port_r or
v4_seq_num_r or
v6_seq_num_r or
v4_tcp_len_r or
v6_tcp_len_r or
v4_tcp_flag_r or
v6_tcp_flag_r)
if (ether_type[1])
begin
tcp_port = {ipv6_tcp_src_port_r, ipv6_tcp_dest_port_r};
tcp_seq_num = v6_seq_num_r;
tcp_hdr_len = v6_tcp_len_r;
tcp_ctrl_flag = v6_tcp_flag_r;
ip_pkt_len = ipv6_ip_pkt_len_r;
end
else
begin
tcp_port = v4_tcp_port_r;
tcp_seq_num = v4_seq_num_r;
tcp_hdr_len = v4_tcp_len_r;
tcp_ctrl_flag = v4_tcp_flag_r;
ip_pkt_len = ipv4_ip_pkt_len_r;
end
assign tcp_push_bit = |(tcp_ctrl_flag & (~hdr_ctrl_bit_mask_reg_dout)) & (l4_protocol_r == 2'b01);
assign fwd_info = {vlan_parity_err_r, mac_port, pkt_id, tcp_seq_num, tcp_push_bit,
tcp_hdr_len, ip_pkt_len, ipv4_ip_hdr_len_r, shft1_status}; //64+20=84
assign pkt_id_in = pkt_id + 4'd1;
dffre #(4) pkt_id_reg (cclk, reset, hdr_shft_done, pkt_id_in, pkt_id);
/*************************************/
//Header fifo operation
/*************************************/
assign hdr_fifo_wen = hdr_shft_done;
assign hdr_fifo_ren = fwd_sched;
assign hdr_fifo_din = {fwd_info, flow_key_r, tcam_key_r}; //84+362+200=646
assign hdr_fifo_space_avail = (hdr_fifo_cnt < 3'b011);
//assign hdr_fifo_lastwp = (hdr_fifo_cnt == 3'b001);
//assign hdr_fifo_lastrp = (hdr_fifo_cnt == 3'b011);
assign hdr_fifo_cnt_in = hdr_fifo_wen & hdr_fifo_ren ? hdr_fifo_cnt :
hdr_fifo_wen ? hdr_fifo_cnt + 3'd1 :
hdr_fifo_ren ? hdr_fifo_cnt - 3'd1 :
hdr_fifo_cnt;
assign hdr_fifo_cnt_en = hdr_fifo_wen | hdr_fifo_ren;
dffre #(3) hdr_fifo_cnt_reg (cclk, reset, hdr_fifo_cnt_en, hdr_fifo_cnt_in, hdr_fifo_cnt);
/*
always @ (posedge cclk)
if (reset)
hdr_fifo_full <= 1'b0;
else if (hdr_fifo_ren)
hdr_fifo_full <= 1'b0;
else if (hdr_fifo_lastwp && hdr_fifo_wen)
hdr_fifo_full <= 1'b1;
else
hdr_fifo_full <= hdr_fifo_full;
always @ (posedge cclk)
if (reset)
hdr_fifo_empty <= 1'b1;
else if (hdr_fifo_wen)
hdr_fifo_empty <= 1'b0;
else if (hdr_fifo_lastrp & hdr_fifo_ren)
hdr_fifo_empty <= 1'b1;
else
hdr_fifo_empty <= hdr_fifo_empty;
*/
/* 0in fifo
-enq hdr_fifo_wen
-deq hdr_fifo_ren
-depth 4
-enq_data hdr_fifo_din
-deq_data hdr_fifo_dout
-clock cclk
-reset reset
-message "ASSERTION : fifo : fflp_hdr_dp : hdr_fifo0 failed"
*/
//instantiates hdr_fifo
fflp_hdr_fifo #(646) hdr_fifo0 (
.clk (cclk),
.reset (reset),
.dout (hdr_fifo_dout),
.hdr_fifo_empty (hdr_fifo_empty),
.hdr_fifo_full (hdr_fifo_full),
.din (hdr_fifo_din),
.wen (hdr_fifo_wen),
.ren (hdr_fifo_ren)
);
dffre #(446) fwd_info_bus_reg (cclk, reset, fwd_sched, hdr_fifo_dout[645:200], fwd_info_bus);
dffre #(200) key_bus_reg (cclk, reset, fwd_sched, hdr_fifo_dout[199:0], key_bus);
assign fwd_req = !hdr_fifo_empty;
/******************************/
//VLAN table lookup
/******************************/
/************************/
//CPU access request
/************************/
assign cpu_vlan_gnt = cpu_vlan_acc & !cpu_vlan_acc_dly;
assign cpu_vlan_acc_en = cpu_vlan_gnt_3 | cpu_vlan_req & !shft1_reg_en;
assign cpu_vlan_acc_in = cpu_vlan_gnt_3 ? 1'b0 : 1'b1;
dffre #(1) cpu_vlan_acc_reg (cclk, reset, cpu_vlan_acc_en, cpu_vlan_acc_in, cpu_vlan_acc);
dffr #(1) cpu_vlan_acc_dly_reg (cclk, reset, cpu_vlan_acc, cpu_vlan_acc_dly);
dffr #(1) cpu_vlan_gnt_1_reg (cclk, reset, cpu_vlan_gnt, cpu_vlan_gnt_1);
dffr #(1) cpu_vlan_gnt_2_reg (cclk, reset, cpu_vlan_gnt_1, cpu_vlan_gnt_2);
dffr #(1) cpu_vlan_gnt_3_reg (cclk, reset, cpu_vlan_gnt_2, cpu_vlan_gnt_3);
assign cpu_vlan_rd_gnt = cpu_vlan_gnt & cpu_vlan_rd;
assign cpu_vlan_wr_gnt = cpu_vlan_gnt & cpu_vlan_wr;
/*************************/
//Search access request
/*************************/
assign srch_vlan_rd_in = or_tag & shft1_reg_en;
dffr #(1) srch_vlan_rd_reg (cclk, reset, srch_vlan_rd_in, srch_vlan_rd);
/*************************/
//Vlan access control
/*************************/
`ifdef NEPTUNE
assign vlan_tbl_cs_in = vlan_tbl_rd_in | vlan_tbl_wr_in;
`else
assign vlan_tbl_cs_in = vlan_tbl_rd_in;
`endif
assign vlan_tbl_rd_in = srch_vlan_rd | cpu_vlan_rd_gnt;
assign vlan_tbl_wr_in = cpu_vlan_wr_gnt;
assign vlan_tbl_addr_in = srch_vlan_rd ? vlan_tag_id[11:0] : cpu_vlan_addr;
dffr #(1) vlan_tbl_cs_reg (cclk, reset, vlan_tbl_cs_in, vlan_tbl_cs);
dffr #(1) vlan_tbl_wr_reg (cclk, reset, vlan_tbl_wr_in, vlan_tbl_wr);
dffr #(12) vlan_tbl_addr_reg (cclk, reset, vlan_tbl_addr_in, vlan_tbl_addr);
dffr #(18) vlan_tbl_din_reg (cclk, reset, vlan_tbl_rd_din, vlan_tbl_din_reg_dout);
/**********************************************************************/
function [4:0] class_index_enc;
/**********************************************************************/
input [15:0] hdr_class;
reg [4:0] l3_class_index;
begin
casex (hdr_class) //synopsys full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:l3_class_index"
16'b0000_0000_0000_0000: l3_class_index = 5'b00000;
16'bxxxx_xxxx_xxxx_xxx1: l3_class_index = 5'b00010;
16'bxxxx_xxxx_xxxx_xx10: l3_class_index = 5'b00011;
16'bxxxx_xxxx_xxxx_x100: l3_class_index = 5'b00100;
16'bxxxx_xxxx_xxxx_1000: l3_class_index = 5'b00101;
16'bxxxx_xxxx_xxx1_0000: l3_class_index = 5'b00110;
16'bxxxx_xxxx_xx10_0000: l3_class_index = 5'b00111;
16'bxxxx_xxxx_x100_0000: l3_class_index = 5'b01000;
16'bxxxx_xxxx_1000_0000: l3_class_index = 5'b01001;
16'bxxxx_xxx1_0000_0000: l3_class_index = 5'b01010;
16'bxxxx_xx10_0000_0000: l3_class_index = 5'b01011;
16'bxxxx_x100_0000_0000: l3_class_index = 5'b01100;
16'bxxxx_1000_0000_0000: l3_class_index = 5'b01101;
16'bxxx1_0000_0000_0000: l3_class_index = 5'b01110;
16'bxx10_0000_0000_0000: l3_class_index = 5'b01111;
16'bx100_0000_0000_0000: l3_class_index = 5'b10000;
16'b1000_0000_0000_0000: l3_class_index = 5'b10001;
default: l3_class_index = 5'b00000;
endcase
class_index_enc = l3_class_index;
end
endfunction
/**********************************************************************/
function [2:0] class_action_sel0;
/**********************************************************************/
input [3:0] class;
input [2:0] l3_class_action_reg2_dout;
input [2:0] l3_class_action_reg3_dout;
input [2:0] l3_class_action_reg4_dout;
input [2:0] l3_class_action_reg5_dout;
input [2:0] l3_class_action_reg6_dout;
input [2:0] l3_class_action_reg7_dout;
input [2:0] l3_class_action_reg8_dout;
input [2:0] l3_class_action_reg9_dout;
input [2:0] l3_class_action_reg10_dout;
input [2:0] l3_class_action_reg11_dout;
input [2:0] l3_class_action_reg12_dout;
input [2:0] l3_class_action_reg13_dout;
input [2:0] l3_class_action_reg14_dout;
input [2:0] l3_class_action_reg15_dout;
reg [2:0] class_action;
begin
case (class) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:CAM_class_action"
4'b0000: class_action = 3'b0;
4'b0001: class_action = 3'b0;
4'b0010: class_action = l3_class_action_reg2_dout;
4'b0011: class_action = l3_class_action_reg3_dout;
4'b0100: class_action = l3_class_action_reg4_dout;
4'b0101: class_action = l3_class_action_reg5_dout;
4'b0110: class_action = l3_class_action_reg6_dout;
4'b0111: class_action = l3_class_action_reg7_dout;
4'b1000: class_action = l3_class_action_reg8_dout;
4'b1001: class_action = l3_class_action_reg9_dout;
4'b1010: class_action = l3_class_action_reg10_dout;
4'b1011: class_action = l3_class_action_reg11_dout;
4'b1100: class_action = l3_class_action_reg12_dout;
4'b1101: class_action = l3_class_action_reg13_dout;
4'b1110: class_action = l3_class_action_reg14_dout;
4'b1111: class_action = l3_class_action_reg15_dout;
default: class_action = 3'b0;
endcase
class_action_sel0 = class_action;
end
endfunction
/**********************************************************************/
function [9:0] class_action_sel1;
/**********************************************************************/
input [3:0] class;
input [9:0] l3_class_action_reg2_dout;
input [9:0] l3_class_action_reg3_dout;
input [9:0] l3_class_action_reg4_dout;
input [9:0] l3_class_action_reg5_dout;
input [9:0] l3_class_action_reg6_dout;
input [9:0] l3_class_action_reg7_dout;
input [9:0] l3_class_action_reg8_dout;
input [9:0] l3_class_action_reg9_dout;
input [9:0] l3_class_action_reg10_dout;
input [9:0] l3_class_action_reg11_dout;
input [9:0] l3_class_action_reg12_dout;
input [9:0] l3_class_action_reg13_dout;
input [9:0] l3_class_action_reg14_dout;
input [9:0] l3_class_action_reg15_dout;
reg [9:0] class_action;
begin
case (class) //synopsys parallel_case full_case
// 0in < case -full -parallel -message "0in ERROR: case check in fflp_hdr_dp:FCARM_class_action"
4'b0000: class_action = 10'b0;
4'b0001: class_action = 10'b0;
4'b0010: class_action = l3_class_action_reg2_dout;
4'b0011: class_action = l3_class_action_reg3_dout;
4'b0100: class_action = l3_class_action_reg4_dout;
4'b0101: class_action = l3_class_action_reg5_dout;
4'b0110: class_action = l3_class_action_reg6_dout;
4'b0111: class_action = l3_class_action_reg7_dout;
4'b1000: class_action = l3_class_action_reg8_dout;
4'b1001: class_action = l3_class_action_reg9_dout;
4'b1010: class_action = l3_class_action_reg10_dout;
4'b1011: class_action = l3_class_action_reg11_dout;
4'b1100: class_action = l3_class_action_reg12_dout;
4'b1101: class_action = l3_class_action_reg13_dout;
4'b1110: class_action = l3_class_action_reg14_dout;
4'b1111: class_action = l3_class_action_reg15_dout;
default: class_action = 10'b0;
endcase
class_action_sel1 = class_action;
end
endfunction
`ifdef NEPTUNE
wire [3:0] do_nad;
wire [3:0] do_nor;
wire [3:0] do_inv;
wire [3:0] do_mux;
wire [3:0] do_q;
wire so;
nep_spare_fflp spare_fflp_0 (
.di_nd3 ({1'h1, 1'h1, do_q[3]}),
.di_nd2 ({1'h1, 1'h1, do_q[2]}),
.di_nd1 ({1'h1, 1'h1, do_q[1]}),
.di_nd0 ({1'h1, 1'h1, do_q[0]}),
.di_nr3 ({1'h0, 1'h0}),
.di_nr2 ({1'h0, 1'h0}),
.di_nr1 ({1'h0, 1'h0}),
.di_nr0 ({1'h0, 1'h0}),
.di_inv (do_nad[3:0]),
.di_mx3 ({1'h0, 1'h0}),
.di_mx2 ({1'h0, 1'h0}),
.di_mx1 ({1'h0, 1'h0}),
.di_mx0 ({1'h0, 1'h0}),
.mx_sel (do_nor[3:0]),
.di_reg (do_inv[3:0]),
.wt_ena (do_mux[3:0]),
.rst ({reset,reset,reset,reset}),
.si (1'h0),
.se (1'h0),
.clk (cclk),
.do_nad (do_nad[3:0]),
.do_nor (do_nor[3:0]),
.do_inv (do_inv[3:0]),
.do_mux (do_mux[3:0]),
.do_q (do_q[3:0]),
.so (so)
);
`endif
endmodule
Full OpenSPARC design & verification tarball including full HDL.