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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2020-10-02 09:09:25 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2020-10-06 19:50:50 +0200 |
| commit | 67c311abd3e930e30ff3ff0ef73d159f7360b61f (patch) | |
| tree | a5fdd551059b809e4581f412657fb13ac4f98c45 /src/network/networkd-dhcp-common.c | |
| parent | network: move link_get_xxx_route_table() (diff) | |
| download | systemd-67c311abd3e930e30ff3ff0ef73d159f7360b61f.tar.xz systemd-67c311abd3e930e30ff3ff0ef73d159f7360b61f.zip | |
network: unify link_dhcp{4,6}_enabled()
Diffstat (limited to 'src/network/networkd-dhcp-common.c')
| -rw-r--r-- | src/network/networkd-dhcp-common.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/network/networkd-dhcp-common.c b/src/network/networkd-dhcp-common.c index ecf9bcea85..3ea3a5a7ba 100644 --- a/src/network/networkd-dhcp-common.c +++ b/src/network/networkd-dhcp-common.c @@ -1,15 +1,42 @@ /* SPDX-License-Identifier: LGPL-2.1+ */ +#include <netinet/in.h> +#include <linux/if_arp.h> + #include "dhcp-internal.h" #include "dhcp6-internal.h" #include "escape.h" #include "in-addr-util.h" #include "networkd-dhcp-common.h" +#include "networkd-link.h" #include "networkd-network.h" #include "parse-util.h" +#include "socket-util.h" #include "string-table.h" #include "strv.h" +bool link_dhcp_enabled(Link *link, int family) { + assert(link); + assert(IN_SET(family, AF_INET, AF_INET6)); + + if (family == AF_INET6 && !socket_ipv6_is_supported()) + return false; + + if (link->flags & IFF_LOOPBACK) + return false; + + if (!link->network) + return false; + + if (link->network->bond) + return false; + + if (link->iftype == ARPHRD_CAN) + return false; + + return link->network->dhcp & (family == AF_INET ? ADDRESS_FAMILY_IPV4 : ADDRESS_FAMILY_IPV6); +} + int config_parse_dhcp( const char* unit, const char *filename, |