passt/passt.h
Stefano Brivio 50bcddabc9 passt: Use uint32_t for IPv4 context addresses
...so that we can compare them directly with a struct in_addr.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2021-04-29 17:15:26 +02:00

61 lines
1.4 KiB
C

#define UNIX_SOCK_PATH "/tmp/passt.socket"
/**
* struct tap_msg - Generic message descriptor for arrays of messages
* @start: Pointer to message start
* @l4_start: Pointer to L4 header
* @len: Message length, with L2 headers
* @l4_len: Message length, with L4 headers
*/
struct tap_msg {
char *start;
char *l4h;
size_t len;
size_t l4_len;
};
#include "icmp.h"
#include "tcp.h"
#include "udp.h"
/**
* struct ctx - Execution context
* @epollfd: file descriptor for epoll instance
* @fd_unix: AF_UNIX socket for tap file descriptor
* @v4: Enable IPv4 transport
* @mac: Host MAC address
* @mac_guest: Guest MAC address
* @addr4: IPv4 address for external, routable interface
* @mask4: IPv4 netmask, network order
* @gw4: Default IPv4 gateway, network order
* @dns4: IPv4 DNS address, network order
* @v6: Enable IPv6 transport
* @addr6: IPv6 address for external, routable interface
* @gw6: Default IPv6 gateway
* @dns4: IPv6 DNS address
* @ifn: Name of routable interface
*/
struct ctx {
int epollfd;
int fd_unix;
unsigned char mac[ETH_ALEN];
unsigned char mac_guest[ETH_ALEN];
int v4;
uint32_t addr4;
uint32_t mask4;
uint32_t gw4;
uint32_t dns4;
int v6;
struct in6_addr addr6;
struct in6_addr addr6_guest;
struct in6_addr gw6;
struct in6_addr dns6;
char ifn[IF_NAMESIZE];
struct icmp_ctx icmp;
struct tcp_ctx tcp;
struct tcp_ctx udp;
};