common: Adding common library for sample vnf

JIRA: SAMPLEVNF-3

This patch adds common libraries required as part of the
sample vnf.

This includes the following libraries

 1. ACL library
 2. SIP
 3. FTP
 4. Connection tracker
 5. L2l3 stack
    - Interface Manager
    - ARP & ICMPv4
    - ND & ICMPv6
and other common libraries needed for ip pipeline framework

Change-Id: I117690b6b63fbcd76974cd7274518484e60980ab
Signed-off-by: Vishwesh M Rudramuni <vishwesh.m.rudramuni@intel.com>
[Push patch to gerrit]
Signed-off-by: Deepak S <deepak.s@linux.intel.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/common/VIL/alg/lib_ftp_alg.h b/common/VIL/alg/lib_ftp_alg.h
new file mode 100644
index 00000000..875d6276
--- /dev/null
+++ b/common/VIL/alg/lib_ftp_alg.h
@@ -0,0 +1,102 @@
+/*
+// Copyright (c) 2017 Intel Corporation
+//
+// 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 __INCLUDE_LIB_FTP_ALG_H__
+#define __INCLUDE_LIB_FTP_ALG_H__
+#include "rte_ether.h"
+#include "rte_ct_tcp.h"
+/*CT & CGNAT integration to be resolved for this definitions*/
+#define META_DATA_OFFSET 128
+#define ETHERNET_START (META_DATA_OFFSET + RTE_PKTMBUF_HEADROOM)
+#define ETH_HDR_SIZE 14
+#define IP_START (ETHERNET_START + ETH_HDR_SIZE)
+#define PROTOCOL_START (IP_START + 9)
+#define TCP_START (IP_START + IP_V4_HEADER_SIZE)
+#define TCP_MIN_HDR_SIZE 20
+
+#define RTE_TCP_PROTO_ID 6
+#define RTE_SP_DEFAULT_TTL 64
+
+#define RTE_SYNPROXY_MAX_SPOOFED_PKTS 64
+
+#define RTE_TCP_SYN 0x02
+#define RTE_TCP_ACK 0x10
+#define RTE_TCP_SYN_ACK (RTE_TCP_SYN | RTE_TCP_ACK)
+#define IP_VERSION_4 4
+#define IP_VERSION_6 6
+#define IPv4_HEADER_SIZE 20
+#define IPv6_HEADER_SIZE 40
+
+//#define IPV4 4
+//#define IPV6 6
+enum ftp_alg_bypass {
+	NO_BYPASS,
+	BYPASS
+};
+
+enum ftp_alg_mode {
+	FTP_ALG_PORT,
+	FTP_ALG_PASV
+};
+enum ftp_alg_direction {
+	SERVER_IN_PRIVATE,
+	SERVER_IN_PUBLIC
+};
+enum phy_port {
+	PRIVATE_PORT,
+	PUBLIC_PORT
+};
+
+struct ftp_alg_key {
+	uint32_t ip_address;
+	uint16_t l4port;
+	uint8_t filler1;
+	uint8_t filler2;
+};
+struct ftp_alg_table_entry {
+	uint32_t ip_address;
+	uint16_t l4port;
+	uint8_t ftp_alg_mode;
+	uint8_t ftp_alg_direction;
+	uint32_t session_id;	/*to be checked */
+	uint8_t alg_bypass_flag;
+	uint8_t dummy;
+	uint8_t dummy1;
+	//uint32_t napt_entry;/* to be checked*/
+} __rte_cache_aligned;
+
+#define FTP_SERVER_PORT				21
+#define FTP_PORT_STRING				"PORT"
+#define FTP_PORT_PARAMETER_STRING		"PORT %hu,%hu,%hu,%hu,%hu,%hu\r\n"
+#define FTP_PORT_PARAMETER_COUNT		6
+#define FTP_PORT_RESPONSE_STRING		"200 PORT command successful.\r\n"
+#define FTP_PORT_STRING_END_MARKER		'\n'
+#define FTP_MAXIMUM_PORT_STRING_LENGTH		60
+#define FTP_PASV_STRING				"PASV"
+#define FTP_PASV_PARAMETER_STRING		"%d Entering Passive Mode (%hu,%hu,%hu,%hu,%hu,%hu)\r\n"
+#define FTP_PASV_PARAMETER_COUNT		7
+#define FTP_PASV_STRING_END_MARKER		'\n'	/* not ')' */
+#define FTP_PASV_RETURN_CODE			227
+
+void ftp_alg_dpi(
+	struct pipeline_cgnapt *p_nat,
+	struct pipeline_cgnapt_entry_key *nat_entry_key,
+	struct rte_mbuf *pkt,
+	struct rte_ct_cnxn_tracker *cgnat_cnxn_tracker,
+	int32_t ct_position,
+	uint8_t direction);
+void lib_ftp_alg_init(void);
+extern int8_t rte_ct_ipversion(void *i_hdr);
+#endif