passt/netlink.h

/* SPDX-License-Identifier: AGPL-3.0-or-later
 * Copyright (c) 2021 Red Hat GmbH
 * Author: Stefano Brivio <sbrivio@redhat.com>
 */

#ifndef NETLINK_H
#define NETLINK_H

int nl_sock_init(const struct ctx *c);
unsigned int nl_get_ext_if(sa_family_t af);
void nl_route(int ns, unsigned int ifi, sa_family_t af, void *gw);
void nl_addr(int ns, unsigned int ifi, sa_family_t af,
	     void *addr, int *prefix_len, void *addr_l);
void nl_link(int ns, unsigned int ifi, void *mac, int up, int mtu);

#endif /* NETLINK_H */
LICENSES: Add license text files, add missing notices, fix SPDX tags SPDX tags don't replace license files. Some notices were missing and some tags were not according to the SPDX specification, too. Now reuse --lint from the REUSE tool (https://reuse.software/) passes. Reported-by: Martin Hauke <mardnh@gmx.de> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2021-10-19 12:43:28 +02:00			`/* SPDX-License-Identifier: AGPL-3.0-or-later`
			`* Copyright (c) 2021 Red Hat GmbH`
			`* Author: Stefano Brivio <sbrivio@redhat.com>`
			`*/`

treewide: Add include guards ...at the moment, just for consistency with packet.h, icmp.h, tcp.h and udp.h. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2022-03-26 00:05:31 +01:00			`#ifndef NETLINK_H`
			`#define NETLINK_H`

treewide: Mark constant references as const Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2022-03-26 07:23:21 +01:00			`int nl_sock_init(const struct ctx *c);`
Separately locate external interfaces for IPv4 and IPv6 Now that the back end allows passt/pasta to use different external interfaces for IPv4 and IPv6, use that to do the right thing in the case that the host has IPv4 and IPv6 connectivity via different interfaces. If the user hasn't explicitly chosen an interface, separately search for a suitable external interface for each protocol. As a bonus, this substantially simplifies the external interface probe. It also eliminates a subtle confusing case where in some circumstances we would pick the first interface in interface index order, and sometimes in order of routes returned from netlink. On some network configurations that could cause tests to fail, because the logic in the tests was subtly different (it always used route order). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> 2022-07-22 07:31:13 +02:00			`unsigned int nl_get_ext_if(sa_family_t af);`
conf, tap: Split netlink and pasta functions, allow interface configuration Move netlink routines to their own file, and use netlink to configure or fetch all the information we need, except for the TUNSETIFF ioctl. Move pasta-specific functions to their own file as well, add parameters and calls to configure the tap interface in the namespace. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2021-10-11 12:01:31 +02:00			`void nl_route(int ns, unsigned int ifi, sa_family_t af, void *gw);`
			`void nl_addr(int ns, unsigned int ifi, sa_family_t af,`
netlink, conf: Actually get prefix/mask length Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2021-10-19 09:01:27 +02:00			`void addr, int prefix_len, void *addr_l);`
netlink, pasta: Configure MTU of tap interface on --config-net Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2021-10-14 13:05:56 +02:00			`void nl_link(int ns, unsigned int ifi, void *mac, int up, int mtu);`
treewide: Add include guards ...at the moment, just for consistency with packet.h, icmp.h, tcp.h and udp.h. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> 2022-03-26 00:05:31 +01:00
			`#endif /* NETLINK_H */`