1d807fc720
It's nice to be able to confirm connectivity using ICMP or ICMPv6 echo requests, and "ping" sockets on Linux (IPPROTO_ICMP datagram) allow us to do that without any special capability. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
45 lines
1 KiB
C
45 lines
1 KiB
C
#define UNIX_SOCK_PATH "/tmp/passt.socket"
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#include "icmp.h"
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#include "tcp.h"
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/**
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* struct ctx - Execution context
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* @epollfd: file descriptor for epoll instance
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* @fd_unix: AF_UNIX socket for tap file descriptor
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* @v4: Enable IPv4 transport
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* @mac: Host MAC address
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* @mac_guest: Guest MAC address
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* @addr4: IPv4 address for external, routable interface
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* @mask4: IPv4 netmask, network order
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* @gw4: Default IPv4 gateway, network order
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* @dns4: IPv4 DNS address, network order
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* @v6: Enable IPv6 transport
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* @addr6: IPv6 address for external, routable interface
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* @gw6: Default IPv6 gateway
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* @dns4: IPv6 DNS address
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* @ifn: Name of routable interface
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*/
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struct ctx {
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int epollfd;
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int fd_unix;
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unsigned char mac[ETH_ALEN];
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unsigned char mac_guest[ETH_ALEN];
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int v4;
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unsigned long addr4;
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unsigned long mask4;
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unsigned long gw4;
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unsigned long dns4;
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int v6;
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struct in6_addr addr6;
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struct in6_addr addr6_guest;
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struct in6_addr gw6;
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struct in6_addr dns6;
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char ifn[IF_NAMESIZE];
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struct icmp_ctx icmp;
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struct tcp_ctx tcp;
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};
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