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Diffstat (limited to 'src/udev/net/link-config.c')
-rw-r--r--src/udev/net/link-config.c146
1 files changed, 55 insertions, 91 deletions
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 0a86d0eb77..0b5916be4c 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -153,6 +153,11 @@ static int load_link(link_config_ctx *ctx, const char *filename) {
goto failure;
}
+ link->mac_policy = _MACPOLICY_INVALID;
+ link->wol = _WOL_INVALID;
+ link->duplex = _DUP_INVALID;
+
+
r = config_parse(NULL, filename, file, "Match\0Link\0Ethernet\0", config_item_perf_lookup,
(void*) link_config_gperf_lookup, false, false, link);
if (r < 0) {
@@ -205,32 +210,36 @@ static bool match_config(link_config *match, struct udev_device *device) {
if (match->match_mac) {
property = udev_device_get_sysattr_value(device, "address");
- if (!property || !streq(match->match_mac, property)) {
- log_debug("Device MAC address (%s) did not match MACAddress=%s", property, match->match_mac);
+ if (!property || memcmp(match->match_mac, ether_aton(property), ETH_ALEN)) {
+ log_debug("Device MAC address (%s) did not match MACAddress=%s",
+ property, ether_ntoa(match->match_mac));
return 0;
}
}
if (match->match_path) {
property = udev_device_get_property_value(device, "ID_PATH");
- if (!property || !streq(match->match_path, property)) {
- log_debug("Device's persistent path (%s) did not match Path=%s", property, match->match_path);
+ if (!streq_ptr(match->match_path, property)) {
+ log_debug("Device's persistent path (%s) did not match Path=%s",
+ property, match->match_path);
return 0;
}
}
if (match->match_driver) {
property = udev_device_get_driver(device);
- if (!property || !streq(match->match_driver, property)) {
- log_debug("Device driver (%s) did not match Driver=%s", property, match->match_driver);
+ if (!streq_ptr(match->match_driver, property)) {
+ log_debug("Device driver (%s) did not match Driver=%s",
+ property, match->match_driver);
return 0;
}
}
if (match->match_type) {
property = udev_device_get_devtype(device);
- if (!property || !streq(match->match_type, property)) {
- log_debug("Device type (%s) did not match Type=%s", property, match->match_type);
+ if (!streq_ptr(match->match_type, property)) {
+ log_debug("Device type (%s) did not match Type=%s",
+ property, match->match_type);
return 0;
}
}
@@ -344,15 +353,10 @@ static bool mac_is_permanent(struct udev_device *device) {
return type == 0;
}
-static int get_mac(struct udev_device *device, bool want_random, struct ether_addr **ret) {
- struct ether_addr *mac;
+static int get_mac(struct udev_device *device, bool want_random, struct ether_addr *mac) {
unsigned int seed;
int r, i;
- mac = calloc(1, sizeof(struct ether_addr));
- if (!mac)
- return -ENOMEM;
-
if (want_random)
seed = random_u();
else {
@@ -393,14 +397,13 @@ static int get_mac(struct udev_device *device, bool want_random, struct ether_ad
mac->ether_addr_octet[0] &= 0xfe; /* clear multicast bit */
mac->ether_addr_octet[0] |= 0x02; /* set local assignment bit (IEEE802) */
- *ret = mac;
-
return 0;
}
int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_device *device) {
const char *name;
- char *new_name = NULL;
+ const char *new_name = NULL;
+ struct ether_addr generated_mac;
struct ether_addr *mac = NULL;
int r, ifindex;
@@ -416,30 +419,17 @@ int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_dev
if (r < 0)
log_warning("Could not set description of %s to '%s': %s",
name, config->description, strerror(-r));
- else
- log_info("Set link description of %s to '%s'", name,
- config->description);
}
- if (config->speed || config->duplex) {
- r = ethtool_set_speed(ctx->ethtool_fd, name,
- config->speed, config->duplex);
- if (r < 0)
- log_warning("Could not set speed or duplex of %s to %u Mbytes (%s): %s",
- name, config->speed, config->duplex, strerror(-r));
- else
- log_info("Set speed or duplex of %s to %u Mbytes (%s)", name,
- config->speed, config->duplex);
- }
+ r = ethtool_set_speed(ctx->ethtool_fd, name, config->speed, config->duplex);
+ if (r < 0)
+ log_warning("Could not set speed or duplex of %s to %u Mbytes (%s): %s",
+ name, config->speed, duplex_to_string(config->duplex), strerror(-r));
- if (config->wol) {
- r = ethtool_set_wol(ctx->ethtool_fd, name, config->wol);
- if (r < 0)
- log_warning("Could not set WakeOnLan of %s to %s: %s",
- name, config->wol, strerror(-r));
- else
- log_info("Set WakeOnLan of %s to %s", name, config->wol);
- }
+ r = ethtool_set_wol(ctx->ethtool_fd, name, config->wol);
+ if (r < 0)
+ log_warning("Could not set WakeOnLan of %s to %s: %s",
+ name, wol_to_string(config->wol), strerror(-r));
ifindex = udev_device_get_ifindex(device);
if (ifindex <= 0) {
@@ -448,84 +438,58 @@ int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_dev
}
if (config->name_policy && enable_name_policy()) {
- char **policy;
+ NamePolicy *policy;
- STRV_FOREACH(policy, config->name_policy) {
- if (streq(*policy, "onboard")) {
- r = strdup_or_null(udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD"), &new_name);
- if (r < 0)
- return r;
- if (new_name)
+ for (policy = config->name_policy; !new_name && *policy != _NAMEPOLICY_INVALID; policy++) {
+ switch (*policy) {
+ case NAMEPOLICY_ONBOARD:
+ new_name = udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD");
break;
- } else if (streq(*policy, "slot")) {
- r = strdup_or_null(udev_device_get_property_value(device, "ID_NET_NAME_SLOT"), &new_name);
- if (r < 0)
- return r;
- if (new_name)
+ case NAMEPOLICY_SLOT:
+ new_name = udev_device_get_property_value(device, "ID_NET_NAME_SLOT");
break;
- } else if (streq(*policy, "path")) {
- r = strdup_or_null(udev_device_get_property_value(device, "ID_NET_NAME_PATH"), &new_name);
- if (r < 0)
- return r;
- if (new_name)
+ case NAMEPOLICY_PATH:
+ new_name = udev_device_get_property_value(device, "ID_NET_NAME_PATH");
break;
- } else if (streq(*policy, "mac")) {
- r = strdup_or_null(udev_device_get_property_value(device, "ID_NET_NAME_MAC"), &new_name);
- if (r < 0)
- return r;
- if (new_name)
+ case NAMEPOLICY_MAC:
+ new_name = udev_device_get_property_value(device, "ID_NET_NAME_MAC");
break;
- } else
- log_warning("Invalid link naming policy '%s', ignoring.", *policy);
+ default:
+ break;
+ }
}
}
if (!new_name && config->name) {
- new_name = calloc(1, IFNAMSIZ);
- strscpy(new_name, IFNAMSIZ, config->name);
+ new_name = config->name;
}
- if (config->mac_policy) {
- if (streq(config->mac_policy, "persistent")) {
+ switch (config->mac_policy) {
+ case MACPOLICY_PERSISTENT:
if (!mac_is_permanent(device)) {
- r = get_mac(device, false, &mac);
+ r = get_mac(device, false, &generated_mac);
if (r < 0)
return r;
+ mac = &generated_mac;
}
- } else if (streq(config->mac_policy, "random")) {
+ break;
+ case MACPOLICY_RANDOM:
if (!mac_is_random(device)) {
- r = get_mac(device, true, &mac);
+ r = get_mac(device, true, &generated_mac);
if (r < 0)
return r;
+ mac = &generated_mac;
}
- } else
- log_warning("Invalid MACAddress policy '%s', ignoring.", config->mac_policy);
- }
-
- if (!mac && config->mac) {
- mac = calloc(1, sizeof(struct ether_addr));
- r = sscanf(config->mac, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- &mac->ether_addr_octet[0],
- &mac->ether_addr_octet[1],
- &mac->ether_addr_octet[2],
- &mac->ether_addr_octet[3],
- &mac->ether_addr_octet[4],
- &mac->ether_addr_octet[5]);
- if (r != 6) {
- r = -EINVAL;
- goto out;
- }
+ break;
+ default:
+ mac = config->mac;
}
r = rtnl_set_properties(ctx->rtnl, ifindex, new_name, mac, config->mtu);
if (r < 0) {
log_warning("Could not set Name, MACAddress or MTU on %s: %s", name, strerror(-r));
- goto out;
+ return r;
}
return 0;
-out:
- free(new_name);
- free(mac);
- return r;
}