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Diffstat (limited to 'src/network/networkd-link.h')
| -rw-r--r-- | src/network/networkd-link.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h new file mode 100644 index 0000000000..9f54c8c391 --- /dev/null +++ b/src/network/networkd-link.h @@ -0,0 +1,128 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#pragma once + +#include "networkd.h" + +typedef enum LinkState { + LINK_STATE_INITIALIZING, + LINK_STATE_ENSLAVING, + LINK_STATE_SETTING_ADDRESSES, + LINK_STATE_SETTING_ROUTES, + LINK_STATE_CONFIGURED, + LINK_STATE_UNMANAGED, + LINK_STATE_FAILED, + LINK_STATE_LINGER, + _LINK_STATE_MAX, + _LINK_STATE_INVALID = -1 +} LinkState; + +typedef enum LinkOperationalState { + LINK_OPERSTATE_UNKNOWN, + LINK_OPERSTATE_DORMANT, + LINK_OPERSTATE_CARRIER, + LINK_OPERSTATE_DEGRADED, + LINK_OPERSTATE_ROUTABLE, + _LINK_OPERSTATE_MAX, + _LINK_OPERSTATE_INVALID = -1 +} LinkOperationalState; + +struct Link { + Manager *manager; + + int n_ref; + + int ifindex; + char *ifname; + char *state_file; + struct ether_addr mac; + uint32_t mtu; + struct udev_device *udev_device; + + unsigned flags; + uint8_t kernel_operstate; + + Network *network; + + LinkState state; + LinkOperationalState operstate; + + unsigned addr_messages; + unsigned route_messages; + unsigned enslaving; + + LIST_HEAD(Address, addresses); + + sd_dhcp_client *dhcp_client; + sd_dhcp_lease *dhcp_lease; + char *lease_file; + uint16_t original_mtu; + sd_ipv4ll *ipv4ll; + + LIST_HEAD(Address, pool_addresses); + + sd_dhcp_server *dhcp_server; + + sd_icmp6_nd *icmp6_router_discovery; + sd_dhcp6_client *dhcp6_client; +}; + +Link *link_unref(Link *link); +Link *link_ref(Link *link); +int link_get(Manager *m, int ifindex, Link **ret); +int link_add(Manager *manager, sd_rtnl_message *message, Link **ret); +void link_drop(Link *link); + +int link_update(Link *link, sd_rtnl_message *message); +int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata); + +int link_initialized(Link *link, struct udev_device *device); + +int link_save(Link *link); + +bool link_has_carrier(unsigned flags, uint8_t operstate); + +const char* link_state_to_string(LinkState s) _const_; +LinkState link_state_from_string(const char *s) _pure_; + +const char* link_operstate_to_string(LinkOperationalState s) _const_; +LinkOperationalState link_operstate_from_string(const char *s) _pure_; + +DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); +#define _cleanup_link_unref_ _cleanup_(link_unrefp) + +/* Macros which append INTERFACE= to the message */ + +#define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__) +#define log_debug_link(link, ...) log_full_link(LOG_DEBUG, link, ##__VA_ARGS__) +#define log_info_link(link, ...) log_full_link(LOG_INFO, link, ##__VA_ARGS__) +#define log_notice_link(link, ...) log_full_link(LOG_NOTICE, link, ##__VA_ARGS__) +#define log_warning_link(link, ...) log_full_link(LOG_WARNING, link, ##__VA_ARGS__) +#define log_error_link(link, ...) log_full_link(LOG_ERR, link, ##__VA_ARGS__) + +#define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__) + +#define ADDRESS_FMT_VAL(address) \ + (address).s_addr & 0xFF, \ + ((address).s_addr >> 8) & 0xFF, \ + ((address).s_addr >> 16) & 0xFF, \ + (address).s_addr >> 24 |