Remove vcgn plugin

Change-Id: I79f18ec386dedd91a8dcea2ca5726208b7b3c67c
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 342 deletions

diff --git a/plugins/vcgn-plugin/vcgn/cnat_v4_functions.h b/plugins/vcgn-plugin/vcgn/cnat_v4_functions.h
deleted file mode 100644
index 2429e5e1437..00000000000
--- a/plugins/vcgn-plugin/vcgn/cnat_v4_functions.h
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- *------------------------------------------------------------------
- * cnat_v4_functions.h  
- *
- * Copyright (c) 2007-2013 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *------------------------------------------------------------------
- */
-
-#ifndef __CNAT_V4_FUNCTOINS__
-#define __CNAT_V4_FUNCTOINS__
-
-#include "tcp_header_definitions.h"
-#include "cnat_db.h"
-#include "spp_ctx.h"
-
-#include "platform_common.h"
-
-/*
- * Defines and structures to enable TCP packet logging 
- */
-#define TCP_LOGGING_DISABLE      0
-#define TCP_LOGGING_ENABLE       1
-#define TCP_LOGGING_PACKET_DUMP  2
-#define TCP_LOGGING_SUMMARY_DUMP 3
-
-#define MAX_TCP_LOGGING_COUNT 1024
-
-typedef struct tcp_logging_struct {
-    u32 seq_num;
-    u32 ack_num;
-    u32 old_ip;
-    u32 new_ip;
-    u16 old_port;
-    u16 new_port;
-    u16 old_ip_crc;
-    u16 new_ip_crc;
-    u16 old_tcp_crc;
-    u16 new_tcp_crc;
-} tcp_logging_struct_t;
-
-void tcp_debug_logging_dump (void);
-void tcp_debug_logging_enable_disable (u32 enable_flag);
-
-void
-tcp_debug_logging (
-    u32 seq_num,
-    u32 ack_num,
-    u32 old_ip,
-    u32 new_ip,
-    u16 old_port,
-    u16 new_port,
-    u16 old_ip_crc,
-    u16 new_ip_crc,
-    u16 old_tcp_crc,
-    u16 new_tcp_crc);
-
-#define JLI printf("%s %s %d\n", __FILE__, __FUNCTION__, __LINE__); fflush(stdout);
-
-#define CNAT_ICMP_DEST_UNREACHABLE 100
-#define INCREMENT_NODE_COUNTER(c) \
-    em->counters[node_counter_base_index + c] += 1;
-
-#define V4_TCP_UPDATE_SESSION_FLAG(db, tcp) \
-if ((tcp->flags & TCP_FLAG_ACK) && (tcp->flags & TCP_FLAG_SYN)) { \
-     db->flags |= CNAT_DB_FLAG_TCP_ACTIVE; \
-} \
-if ((tcp->flags & TCP_FLAG_RST) || (tcp->flags & TCP_FLAG_FIN)) { \
-     db->flags &= ~CNAT_DB_FLAG_TCP_ACTIVE; \
-     db->flags |= CNAT_DB_FLAG_TCP_CLOSING; \
-} 
-
-#define V4_TCP_UPDATE_SESSION_DB_FLAG(sdb, tcp) \
-if ((tcp->flags & TCP_FLAG_ACK) && (tcp->flags & TCP_FLAG_SYN)) { \
-     sdb->flags |= CNAT_DB_FLAG_TCP_ACTIVE; \
-} \
-if ((tcp->flags & TCP_FLAG_RST) || (tcp->flags & TCP_FLAG_FIN)) { \
-     sdb->flags &= ~CNAT_DB_FLAG_TCP_ACTIVE; \
-     sdb->flags |= CNAT_DB_FLAG_TCP_CLOSING; \
-} 
-
-/*
- * Code to recalculate checksum after ACK/SEQ number changes
- * This macro assumes, we have pointer to tcp structure
- * referenced by the name "tcp"
- */
-#define CNAT_UPDATE_TCP_SEQ_ACK_CHECKSUM(old_val32, new_val32) \
-{                                                              \
-    u16 old_val_lower, old_val_upper, old_tcp_cr;              \
-    u16 new_val_lower, new_val_upper, new_tcp_cr;              \
-    u32 sum32;                                                 \
-                                                               \
-    old_val_lower = ~((u16) old_val32);                        \
-    old_val_upper = ~((u16) (old_val32 >> 16));                \
-    old_tcp_cr    = ~net2host16(&tcp->tcp_checksum);           \
-    new_val_lower = (u16) new_val32;                           \
-    new_val_upper = (u16) (new_val32 >> 16);                   \
-                                                               \
-    sum32 = old_val_lower + old_val_upper + old_tcp_cr +       \
-            new_val_lower + new_val_upper;                     \
-                                                               \
-    sum32 = (sum32 & 0xffff) + ((sum32 >> 16) & 0xffff);       \
-    sum32 = (sum32 & 0xffff) + ((sum32 >> 16) & 0xffff);       \
-    new_tcp_cr = ~((u16)sum32);                                \
-                                                               \
-    tcp->tcp_checksum = host2net16(new_tcp_cr);                \
-}
-
-/*
- * newchecksum = ~(~oldchecksum + ~old + new)
- * old/new for l3 checksum:  ip address
- */
-#define CNAT_UPDATE_L3_CHECKSUM_DECLARE \
-u16  old_l3_1r, old_l3_2r; \
-u16  old_l3_cr, new_l3_c; \
-u32  new32;
-
-#define CNAT_UPDATE_L3_CHECKSUM(old_l3_1, old_l3_2, old_l3_c,  \
-                                new_l3_1, new_l3_2) \
-old_l3_1r = ~(old_l3_1); \
-old_l3_2r = ~(old_l3_2); \
-old_l3_cr = ~(old_l3_c); \
-new32 = old_l3_cr + old_l3_1r + old_l3_2r + new_l3_1 + new_l3_2; \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new_l3_c = ~((u16)new32); 
-
-
-/*
- * newchecksum = ~(~oldchecksum + ~old + new)
- * old/new for l3 checksum:  ip address
- * old/new for l4 checksum:  ip address and port
- */
-#define CNAT_UPDATE_L3_L4_CHECKSUM_DECLARE \
-u16  old_l3_1r, old_l3_2r, old_l4r; \
-u16  old_l3_cr, old_l4_cr; \
-u16  new_l3_c, new_l4_c; \
-u32  sum32, new32;
-
-#define CNAT_UPDATE_L3_L4_CHECKSUM(old_l3_1, old_l3_2, old_l4, \
-                                   old_l3_c, old_l4_c, \
-                                   new_l3_1, new_l3_2, new_l4) \
-old_l3_1r = ~(old_l3_1); \
-old_l3_2r = ~(old_l3_2); \
-old_l3_cr = ~(old_l3_c); \
-sum32 = old_l3_1r + old_l3_2r + new_l3_1 + new_l3_2; \
-new32 = old_l3_cr + sum32; \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new_l3_c = ~((u16)new32); \
-old_l4r = ~(old_l4); \
-old_l4_cr = ~(old_l4_c); \
-sum32 += old_l4r + new_l4; \
-new32 = old_l4_cr + sum32; \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new_l4_c = ~((u16)new32);
-
-/*
- * For ICMP checksums, we don't use the top IP header for checksum calculation
- */
-#define CNAT_UPDATE_L3_ICMP_CHECKSUM(old_l3_1, old_l3_2, old_l4, \
-                                     old_l3_c, old_l4_c, \
-                                     new_l3_1, new_l3_2, new_l4) \
-old_l3_1r = ~(old_l3_1); \
-old_l3_2r = ~(old_l3_2); \
-old_l3_cr = ~(old_l3_c); \
-sum32 = old_l3_1r + old_l3_2r + new_l3_1 + new_l3_2; \
-new32 = old_l3_cr + sum32; \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new_l3_c = ~((u16)new32); \
-old_l4r = ~(old_l4); \
-old_l4_cr = ~(old_l4_c); \
-sum32 = old_l4r + new_l4; \
-new32 = old_l4_cr + sum32; \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new_l4_c = ~((u16)new32);
-
-
-/*
- * icmp error type message:
- * newchecksum = ~(~oldchecksum + ~old + new)
- * old/new for outlayer ip checksum: ip address
- * old/new for outlayer icmp checksum: 
- *    out-layer: ip address
- *    inner-layer: ip addr, port, l3 checksum, l4 checksum
- */
-#define CNAT_UPDATE_ICMP_ERR_CHECKSUM_DECLARE \
-u16  old_ip_1r, old_ip_2r, old_ip_port_r, old_ip_cr, old_icmp_cr; \
-u16  new_icmp_c; \
-u32  sum32;
-
-
-#define CNAT_UPDATE_ICMP_ERR_CHECKSUM(old_ip_1, old_ip_2, old_ip_port, old_ip_c, old_icmp_c, \
-                                      new_ip_1, new_ip_2, new_ip_port, new_ip_c) \
-old_ip_1r     = ~(old_ip_1); \
-old_ip_2r     = ~(old_ip_2); \
-old_ip_port_r = ~(old_ip_port); \
-old_ip_cr     = ~(old_ip_c); \
-old_icmp_cr   = ~(old_icmp_c); \
-sum32 = old_ip_1r + old_ip_2r + new_ip_1 + new_ip_2 + \
-        old_ip_port_r + new_ip_port + old_ip_cr + new_ip_c; \
-new32 = old_icmp_cr + sum32; \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new32 = (new32 & 0xffff) + ((new32 >> 16) & 0xffff); \
-new_icmp_c = ~((u16)new32); \
-
-/*
- * Add the two 16 bit parts of the 32 bit field
- * Repeat it one more time to take care of any overflow
- * Complement the u16 value and store it in network format
- */
-#define FILL_CHECKSUM(checksum_field, sum32) {                         \
-    sum32 = (sum32 & 0xffff) + ((sum32>>16) & 0xffff);                 \
-    sum32 = (sum32 & 0xffff) + ((sum32>>16) & 0xffff);                 \
-    checksum_field = clib_host_to_net_u16(~((u16) sum32));    \
-}
-
-static inline void
-cnat_v4_recalculate_tcp_checksum (ipv4_header *ip,
-				  tcp_hdr_type *tcp,
-                                  u32 *ip_addr_ptr,
-                                  u16 *tcp_port_addr_ptr,
-				  u32 new_ip,
-				  u16 new_port)
-{
-    u32 old_ip_addr, old_ip32_r, new_ip32, sum32;
-    u16 old_port_r, old_ip_checksum_r, old_tcp_checksum_r;
-
-    u16 *p16;
-
-    p16 = (u16*) ip_addr_ptr;
-
-    old_ip_addr = *ip_addr_ptr;
-    old_ip32_r = (((u16) ~clib_net_to_host_u16(*p16)) +
-                  ((u16) ~clib_net_to_host_u16(*(p16+1))));
-
-    old_port_r = ~clib_net_to_host_u16(*tcp_port_addr_ptr);
-
-    *ip_addr_ptr       = clib_host_to_net_u32(new_ip);
-
-    new_ip32 = (new_ip & 0xffff) + ((new_ip >> 16) & 0xffff);
-
-    old_ip_checksum_r  = ~clib_net_to_host_u16(ip->checksum);
-
-    /*
-     * Recalculate the new IP checksum
-     */
-    sum32 = old_ip32_r + new_ip32 + old_ip_checksum_r;
-
-    FILL_CHECKSUM(ip->checksum, sum32);
-
-    u16 frag_offset =
-            clib_net_to_host_u16((ip->frag_flags_offset));
-
-    if(PREDICT_FALSE(frag_offset & IP_FRAG_OFFSET_MASK)) {
-        return; /* No need to update TCP fields */
-    }
-    
-    *tcp_port_addr_ptr = clib_host_to_net_u16(new_port);
-    old_tcp_checksum_r = ~clib_net_to_host_u16(tcp->tcp_checksum);
-
-    /*
-     * Recalculate the new TCP checksum
-     */
-    sum32 = old_ip32_r + new_ip32 +
-            old_port_r + new_port + old_tcp_checksum_r;
-
-    FILL_CHECKSUM(tcp->tcp_checksum, sum32);
-
-    if (PREDICT_FALSE(tcp_logging_enable_flag)) {
-        tcp_debug_logging(
-	    clib_net_to_host_u32(tcp->seq_num),
-	    clib_net_to_host_u32(tcp->ack_num),
-	    clib_net_to_host_u32(old_ip_addr),
-	    clib_net_to_host_u32(*ip_addr_ptr),
-	    ~old_port_r,
-	    clib_net_to_host_u16(*tcp_port_addr_ptr),
-	    ~old_ip_checksum_r,
-	    clib_net_to_host_u16(ip->checksum),
-	    ~old_tcp_checksum_r,
-	    clib_net_to_host_u16(tcp->tcp_checksum));
-    }
-}
-
-
-extern void tcp_in2out_nat_mss_n_checksum (ipv4_header *ip,
-                                      tcp_hdr_type *tcp,
-                                      u32 ipv4_addr,
-                                      u16 port,
-                                      cnat_main_db_entry_t * db);
-
-void hex_dump(u8 * p, int len);
-
-u32 get_my_svi_intf_ip_addr();
-
-/* 
- * in cnat_v4_icmp_gen.c,
- * return 1 if icmp msg allow to generate
- * for this user
- */
-
-u32 icmp_msg_gen_allowed ();
-
-cnat_icmp_msg_t v6_icmp_msg_gen_allowed();
-
-int v4_crc_zero_udp_allowed();
-void ipv4_decr_ttl_n_calc_csum(ipv4_header *ipv4);
-int icmpv4_generate_with_throttling (spp_ctx_t *ctx, ipv4_header *ipv4,
-                                     u16 rx_uidb_index);
-                                            
-int icmpv6_generate_with_throttling (spp_ctx_t *ctx, ipv6_header_t *ipv4,
-                                     u16 rx_uidb_index);
-                                            
-void icmp_error_generate_v6(spp_ctx_t *ctx, u8 icmp_type,
-                            u8 icmp_code, u16 uidb_index);
-
-void calculate_window_scale(tcp_hdr_type *tcp_header, u8 *scale);
-
-void cnat_log_nat44_tcp_seq_mismatch(
-                   cnat_main_db_entry_t *db,
-		   cnat_vrfmap_t *vrfmap);
-void print_icmp_pkt (ipv4_header *ip);
-void print_udp_pkt (ipv4_header *ip);
-void print_tcp_pkt (ipv4_header *ip);
-void print_ipv6_pkt (ipv6_header_t *ip);
-
-
-#endif
-