src/udev/net/link-config.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5  This file is part of systemd.
   6
   7  Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
   8 ***/
   9
  10 #include "libudev.h"
  11
  12 #include "condition.h"
  13 #include "ethtool-util.h"
  14 #include "list.h"
  15 #include "set.h"
  16
  17 typedef struct link_config_ctx link_config_ctx;
  18 typedef struct link_config link_config;
  19
  20 typedef enum MACPolicy {
  21         MACPOLICY_PERSISTENT,
  22         MACPOLICY_RANDOM,
  23         MACPOLICY_NONE,
  24         _MACPOLICY_MAX,
  25         _MACPOLICY_INVALID = -1
  26 } MACPolicy;
  27
  28 typedef enum NamePolicy {
  29         NAMEPOLICY_KERNEL,
  30         NAMEPOLICY_DATABASE,
  31         NAMEPOLICY_ONBOARD,
  32         NAMEPOLICY_SLOT,
  33         NAMEPOLICY_PATH,
  34         NAMEPOLICY_MAC,
  35         _NAMEPOLICY_MAX,
  36         _NAMEPOLICY_INVALID = -1
  37 } NamePolicy;
  38
  39 struct link_config {
  40         char *filename;
  41
  42         Set *match_mac;
  43         char **match_path;
  44         char **match_driver;
  45         char **match_type;
  46         char **match_name;
  47         Condition *match_host;
  48         Condition *match_virt;
  49         Condition *match_kernel_cmdline;
  50         Condition *match_kernel_version;
  51         Condition *match_arch;
  52
  53         char *description;
  54         struct ether_addr *mac;
  55         MACPolicy mac_policy;
  56         NamePolicy *name_policy;
  57         char *name;
  58         char *alias;
  59         uint32_t mtu;
  60         size_t speed;
  61         Duplex duplex;
  62         int autonegotiation;
  63         WakeOnLan wol;
  64         NetDevPort port;
  65         NetDevFeature features[_NET_DEV_FEAT_MAX];
  66         netdev_channels channels;
  67
  68         LIST_FIELDS(link_config, links);
  69 };
  70
  71 int link_config_ctx_new(link_config_ctx **ret);
  72 void link_config_ctx_free(link_config_ctx *ctx);
  73
  74 int link_config_load(link_config_ctx *ctx);
  75 bool link_config_should_reload(link_config_ctx *ctx);
  76
  77 int link_config_get(link_config_ctx *ctx, struct udev_device *device, struct link_config **ret);
  78 int link_config_apply(link_config_ctx *ctx, struct link_config *config, struct udev_device *device, const char **name);
  79
  80 int link_get_driver(link_config_ctx *ctx, struct udev_device *device, char **ret);
  81
  82 const char *name_policy_to_string(NamePolicy p) _const_;
  83 NamePolicy name_policy_from_string(const char *p) _pure_;
  84
  85 const char *mac_policy_to_string(MACPolicy p) _const_;
  86 MACPolicy mac_policy_from_string(const char *p) _pure_;
  87
  88 /* gperf lookup function */
  89 const struct ConfigPerfItem* link_config_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
  90
  91 int config_parse_mac_policy(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
  92 int config_parse_name_policy(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);