src/udev/net/link-config.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "sd-device.h"
   5
   6 #include "condition.h"
   7 #include "conf-parser.h"
   8 #include "ethtool-util.h"
   9 #include "list.h"
  10 #include "net-condition.h"
  11
  12 typedef struct link_config_ctx link_config_ctx;
  13 typedef struct link_config link_config;
  14
  15 typedef enum MACAddressPolicy {
  16         MAC_ADDRESS_POLICY_PERSISTENT,
  17         MAC_ADDRESS_POLICY_RANDOM,
  18         MAC_ADDRESS_POLICY_NONE,
  19         _MAC_ADDRESS_POLICY_MAX,
  20         _MAC_ADDRESS_POLICY_INVALID = -EINVAL,
  21 } MACAddressPolicy;
  22
  23 typedef enum NamePolicy {
  24         NAMEPOLICY_KERNEL,
  25         NAMEPOLICY_KEEP,
  26         NAMEPOLICY_DATABASE,
  27         NAMEPOLICY_ONBOARD,
  28         NAMEPOLICY_SLOT,
  29         NAMEPOLICY_PATH,
  30         NAMEPOLICY_MAC,
  31         _NAMEPOLICY_MAX,
  32         _NAMEPOLICY_INVALID = -EINVAL,
  33 } NamePolicy;
  34
  35 struct link_config {
  36         char *filename;
  37
  38         NetMatch match;
  39         LIST_HEAD(Condition, conditions);
  40
  41         char *description;
  42         struct ether_addr *mac;
  43         MACAddressPolicy mac_address_policy;
  44         NamePolicy *name_policy;
  45         NamePolicy *alternative_names_policy;
  46         char *name;
  47         char **alternative_names;
  48         char *alias;
  49         uint32_t txqueues;
  50         uint32_t rxqueues;
  51         uint32_t txqueuelen;
  52         uint32_t mtu;
  53         uint32_t gso_max_segments;
  54         size_t gso_max_size;
  55         uint64_t speed;
  56         Duplex duplex;
  57         int autonegotiation;
  58         uint32_t advertise[N_ADVERTISE];
  59         WakeOnLan wol;
  60         NetDevPort port;
  61         int features[_NET_DEV_FEAT_MAX];
  62         netdev_channels channels;
  63         netdev_ring_param ring;
  64         int rx_flow_control;
  65         int tx_flow_control;
  66         int autoneg_flow_control;
  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 DEFINE_TRIVIAL_CLEANUP_FUNC(link_config_ctx*, link_config_ctx_free);
  74
  75 int link_load_one(link_config_ctx *ctx, const char *filename);
  76 int link_config_load(link_config_ctx *ctx);
  77 bool link_config_should_reload(link_config_ctx *ctx);
  78
  79 int link_config_get(link_config_ctx *ctx, sd_device *device, link_config **ret);
  80 int link_config_apply(link_config_ctx *ctx, const link_config *config, sd_device *device, const char **ret_name);
  81 int link_get_driver(link_config_ctx *ctx, sd_device *device, char **ret);
  82
  83 const char *name_policy_to_string(NamePolicy p) _const_;
  84 NamePolicy name_policy_from_string(const char *p) _pure_;
  85
  86 const char *alternative_names_policy_to_string(NamePolicy p) _const_;
  87 NamePolicy alternative_names_policy_from_string(const char *p) _pure_;
  88
  89 const char *mac_address_policy_to_string(MACAddressPolicy p) _const_;
  90 MACAddressPolicy mac_address_policy_from_string(const char *p) _pure_;
  91
  92 /* gperf lookup function */
  93 const struct ConfigPerfItem* link_config_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
  94
  95 CONFIG_PARSER_PROTOTYPE(config_parse_ifalias);
  96 CONFIG_PARSER_PROTOTYPE(config_parse_rx_tx_queues);
  97 CONFIG_PARSER_PROTOTYPE(config_parse_txqueuelen);
  98 CONFIG_PARSER_PROTOTYPE(config_parse_mac_address_policy);
  99 CONFIG_PARSER_PROTOTYPE(config_parse_name_policy);
 100 CONFIG_PARSER_PROTOTYPE(config_parse_alternative_names_policy);