cne_inet.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2016-2022 Intel Corporation
 */
 
#ifndef __CNE_INET_H
#define __CNE_INET_H
 
#include <stdio.h>
#include <arpa/inet.h>
#include <netinet/in.h>
 
#include <cne_byteorder.h>
#include <net/cne_ether.h>
#include <net/cne_ip.h>
#include <net/cne_udp.h>
#include <net/cne_tcp.h>
#include <net/cne_icmp.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum { IPv4_VERSION = 4, IPv6_VERSION = 6 };
 
/* Common defines for IPv */
enum {
    IPV4_ADDR_LEN = 4, /* IPv4 Address length */
    IPV6_ADDR_LEN = 16 /* IPv6 Address length */
};
 
/* Common Channel address, internet style. */
struct in_caddr {
    uint8_t cin_family;
    uint8_t cin_len;
    uint16_t cin_port;
    struct in_addr cin_addr;
};
 
/* Common Channel address, internet style. */
struct in6_caddr {
    uint8_t cin_family;
    uint8_t cin_len;
    uint16_t cin_port;
    struct in6_addr cin_addr;
};
 
/* macros for casting struct in_caddr */
#define CIN_PORT(sa)   (sa)->cin_port
#define CIN_FAMILY(sa) (sa)->cin_family
#define CIN_LEN(sa)    (sa)->cin_len
#define CIN_ADDR(sa)   (sa)->cin_addr
#define CIN_CADDR(sa)  (sa)->cin_addr.s_addr
 
/* IP overlay header for the pseudo header */
typedef struct ip_overlay_s {
    uint32_t node[2];
    uint8_t pad0;  /* overlays ttl */
    uint8_t proto; /* Protocol type */
    uint16_t len;  /* Protocol length, overlays cksum */
    uint32_t src;  /* Source address */
    uint32_t dst;  /* Destination address */
} __attribute__((__packed__)) ip_overlay_t;
 
typedef unsigned int seq_t; /* TCP Sequence type */
 
/* The UDP/IP Pseudo header */
typedef struct udpip_s {
    ip_overlay_t ip;        /* IPv4 overlay header */
    struct cne_udp_hdr udp; /* UDP header for protocol */
} __attribute__((__packed__)) udpip_t;
 
/* The TCP/IPv4 Pseudo header */
typedef struct tcpip_s {
    ip_overlay_t ip;        /* IPv4 overlay header */
    struct cne_tcp_hdr tcp; /* TCP header for protocol */
} __attribute__((__packed__)) tcpip_t;
 
typedef union {
    uint16_t _16[3];
    uint8_t _8[6];
} mac_e;
 
typedef union {
    uint16_t _16[2];
    uint32_t _32;
} ip4_e;
 
typedef struct pkt_hdr_s {
    struct cne_ether_hdr eth; 
    CNE_STD_C11
    union {
        struct cne_ipv4_hdr ipv4; 
        struct cne_ipv6_hdr ipv6; 
        tcpip_t tip;              
        udpip_t uip;              
        struct cne_icmp_hdr icmp; 
        uint64_t pad[8];          
    };
} pkt_hdr_t;
 
typedef struct ipv4_5tuple {
    uint32_t ip_dst;
    uint32_t ip_src;
    uint16_t port_dst;
    uint16_t port_src;
    uint8_t proto;
} __cne_packed ipv4_5tuple_t;
 
typedef struct l3_4route_s {
    ipv4_5tuple_t key;
    uint8_t ifid;
} __cne_packed l3_4route_t;
 
#define IBUF_SIZE 256
 
#define INET_MASK_STRLEN 4
#define IP4_ADDR_STRLEN  (INET_ADDRSTRLEN + INET_MASK_STRLEN)
 
#ifdef __cplusplus
}
#endif
 
#endif /* __CNE_INET_H */
 
#include <cne_inet4.h>