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
  16 typedef struct link_config_ctx link_config_ctx;
  17 typedef struct link_config link_config;
  18
  19 typedef enum MACPolicy {
  20         MACPOLICY_PERSISTENT,
  21         MACPOLICY_RANDOM,
  22         MACPOLICY_NONE,
  23         _MACPOLICY_MAX,
  24         _MACPOLICY_INVALID = -1
  25 } MACPolicy;
  26
  27 typedef enum NamePolicy {
  28         NAMEPOLICY_KERNEL,
  29         NAMEPOLICY_DATABASE,
  30         NAMEPOLICY_ONBOARD,
  31         NAMEPOLICY_SLOT,
  32         NAMEPOLICY_PATH,
  33         NAMEPOLICY_MAC,
  34         _NAMEPOLICY_MAX,
  35         _NAMEPOLICY_INVALID = -1
  36 } NamePolicy;
  37
  38 struct link_config {
  39         char *filename;
  40
  41         struct ether_addr *match_mac;
  42         char **match_path;
  43         char **match_driver;
  44         char **match_type;
  45         char **match_name;
  46         Condition *match_host;
  47         Condition *match_virt;
  48         Condition *match_kernel_cmdline;
  49         Condition *match_kernel_version;
  50         Condition *match_arch;
  51
  52         char *description;
  53         struct ether_addr *mac;
  54         MACPolicy mac_policy;
  55         NamePolicy *name_policy;
  56         char *name;
  57         char *alias;
  58         size_t mtu;
  59         size_t speed;
  60         Duplex duplex;
  61         int autonegotiation;
  62         WakeOnLan wol;
  63         NetDevPort port;
  64         NetDevFeature features[_NET_DEV_FEAT_MAX];
  65
  66         LIST_FIELDS(link_config, links);
  67 };
  68
  69 int link_config_ctx_new(link_config_ctx **ret);
  70 void link_config_ctx_free(link_config_ctx *ctx);
  71
  72 int link_config_load(link_config_ctx *ctx);
  73 bool link_config_should_reload(link_config_ctx *ctx);
  74
  75 int link_config_get(link_config_ctx *ctx, struct udev_device *device, struct link_config **ret);
  76 int link_config_apply(link_config_ctx *ctx, struct link_config *config, struct udev_device *device, const char **name);
  77
  78 int link_get_driver(link_config_ctx *ctx, struct udev_device *device, char **ret);
  79
  80 const char *name_policy_to_string(NamePolicy p) _const_;
  81 NamePolicy name_policy_from_string(const char *p) _pure_;
  82
  83 const char *mac_policy_to_string(MACPolicy p) _const_;
  84 MACPolicy mac_policy_from_string(const char *p) _pure_;
  85
  86 /* gperf lookup function */
  87 const struct ConfigPerfItem* link_config_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
  88
  89 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);
  90 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);