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network: read driver name from ethtool

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To make Driver= in [Match] section work in containers.

Note that ID_NET_DRIVER= property in udev database is set with the
result of the ethtool. So, this should not change anything for
non-container cases.

Closes #15678.
This commit is contained in:
Yu Watanabe 2020-06-03 16:19:29 +09:00 committed by Lennart Poettering
parent 6161b35d5e
commit c643bda5ec
10 changed files with 54 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/libsystemd-network/network-internal.c
View File

@ -192,30 +192,34 @@ bool net_match_config(Set *match_mac,
Set *match_permanent_mac,
char * const *match_paths,
char * const *match_drivers,
char * const *match_types,
char * const *match_iftypes,
char * const *match_names,
char * const *match_property,
char * const *match_wifi_iftype,
char * const *match_ssid,
Set *match_bssid,
unsigned short iftype,
sd_device *device,
const struct ether_addr *dev_mac,
const struct ether_addr *dev_permanent_mac,
const char *dev_driver,
unsigned short dev_iftype,
const char *dev_name,
char * const *alternative_names,
enum nl80211_iftype wifi_iftype,
const char *ssid,
const struct ether_addr *bssid) {
enum nl80211_iftype dev_wifi_iftype,
const char *dev_ssid,
const struct ether_addr *dev_bssid) {
const char *dev_path = NULL, *dev_driver = NULL, *mac_str;
_cleanup_free_ char *dev_type;
_cleanup_free_ char *dev_iftype_str;
const char *dev_path = NULL;
dev_type = link_get_type_string(iftype, device);
dev_iftype_str = link_get_type_string(dev_iftype, device);
if (device) {
const char *mac_str;
(void) sd_device_get_property_value(device, "ID_PATH", &dev_path);
(void) sd_device_get_property_value(device, "ID_NET_DRIVER", &dev_driver);
if (!dev_driver)
(void) sd_device_get_property_value(device, "ID_NET_DRIVER", &dev_driver);
if (!dev_name)
(void) sd_device_get_sysname(device, &dev_name);
if (!dev_mac &&
@ -238,7 +242,7 @@ bool net_match_config(Set *match_mac,
if (!net_condition_test_strv(match_drivers, dev_driver))
return false;
if (!net_condition_test_strv(match_types, dev_type))
if (!net_condition_test_strv(match_iftypes, dev_iftype_str))
return false;
if (!net_condition_test_ifname(match_names, dev_name, alternative_names))
@ -247,13 +251,13 @@ bool net_match_config(Set *match_mac,
if (!net_condition_test_property(match_property, device))
return false;
if (!net_condition_test_strv(match_wifi_iftype, wifi_iftype_to_string(wifi_iftype)))
if (!net_condition_test_strv(match_wifi_iftype, wifi_iftype_to_string(dev_wifi_iftype)))
return false;
if (!net_condition_test_strv(match_ssid, ssid))
if (!net_condition_test_strv(match_ssid, dev_ssid))
return false;
if (match_bssid && (!bssid || !set_contains(match_bssid, bssid)))
if (match_bssid && (!dev_bssid || !set_contains(match_bssid, dev_bssid)))
return false;
return true;

17
src/libsystemd-network/network-internal.h
View File

@ -17,23 +17,24 @@
char *link_get_type_string(unsigned short iftype, sd_device *device);
bool net_match_config(Set *match_mac,
Set *match_permanent_mac,
char * const *match_path,
char * const *match_driver,
char * const *match_type,
char * const *match_name,
char * const *match_paths,
char * const *match_drivers,
char * const *match_iftypes,
char * const *match_names,
char * const *match_property,
char * const *match_wifi_iftype,
char * const *match_ssid,
Set *match_bssid,
unsigned short iftype,
sd_device *device,
const struct ether_addr *dev_mac,
const struct ether_addr *dev_permanent_mac,
const char *dev_driver,
unsigned short dev_iftype,
const char *dev_name,
char * const *alternative_names,
enum nl80211_iftype wifi_iftype,
const char *ssid,
const struct ether_addr *bssid);
enum nl80211_iftype dev_wifi_iftype,
const char *dev_ssid,
const struct ether_addr *dev_bssid);
CONFIG_PARSER_PROTOTYPE(config_parse_net_condition);
CONFIG_PARSER_PROTOTYPE(config_parse_hwaddr);

19
src/network/networkd-link.c
View File

@ -618,10 +618,14 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
if (r < 0)
log_link_debug_errno(link, r, "MAC address not found for new device, continuing without");
r = ethtool_get_permanent_macaddr(NULL, link->ifname, &link->permanent_mac);
r = ethtool_get_permanent_macaddr(&manager->ethtool_fd, link->ifname, &link->permanent_mac);
if (r < 0)
log_link_debug_errno(link, r, "Permanent MAC address not found for new device, continuing without: %m");
r = ethtool_get_driver(&manager->ethtool_fd, link->ifname, &link->driver);
if (r < 0)
log_link_debug_errno(link, r, "Failed to get driver, continuing without: %m");
r = sd_netlink_message_read_strv(message, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &link->alternative_names);
if (r < 0 && r != -ENODATA)
return r;
@ -725,6 +729,7 @@ static Link *link_free(Link *link) {
strv_free(link->alternative_names);
free(link->kind);
free(link->ssid);
free(link->driver);
(void) unlink(link->state_file);
free(link->state_file);
@ -3139,8 +3144,10 @@ static int link_reconfigure_internal(Link *link, sd_netlink_message *m, bool for
strv_free_and_replace(link->alternative_names, s);
}
r = network_get(link->manager, link->iftype, link->sd_device, link->ifname, link->alternative_names,
&link->mac, &link->permanent_mac, link->wlan_iftype, link->ssid, &link->bssid, &network);
r = network_get(link->manager, link->iftype, link->sd_device,
link->ifname, link->alternative_names, link->driver,
&link->mac, &link->permanent_mac,
link->wlan_iftype, link->ssid, &link->bssid, &network);
if (r == -ENOENT) {
link_enter_unmanaged(link);
return 0;
@ -3275,8 +3282,10 @@ static int link_initialized_and_synced(Link *link) {
if (r < 0)
return r;
r = network_get(link->manager, link->iftype, link->sd_device, link->ifname, link->alternative_names,
&link->mac, &link->permanent_mac, link->wlan_iftype, link->ssid, &link->bssid, &network);
r = network_get(link->manager, link->iftype, link->sd_device,
link->ifname, link->alternative_names, link->driver,
&link->mac, &link->permanent_mac,
link->wlan_iftype, link->ssid, &link->bssid, &network);
if (r == -ENOENT) {
link_enter_unmanaged(link);
return 0;

1
src/network/networkd-link.h
View File

@ -66,6 +66,7 @@ typedef struct Link {
struct in6_addr ipv6ll_address;
uint32_t mtu;
sd_device *sd_device;
char *driver;
/* wlan */
enum nl80211_iftype wlan_iftype;

3
src/network/networkd-manager.c
View File

@ -1790,6 +1790,7 @@ int manager_new(Manager **ret) {
*m = (Manager) {
.speed_meter_interval_usec = SPEED_METER_DEFAULT_TIME_INTERVAL,
.manage_foreign_routes = true,
.ethtool_fd = -1,
};
m->state_file = strdup("/run/systemd/netif/state");
@ -1900,6 +1901,8 @@ void manager_free(Manager *m) {
free(m->dynamic_timezone);
free(m->dynamic_hostname);
safe_close(m->ethtool_fd);
free(m);
}

1
src/network/networkd-manager.h
View File

@ -26,6 +26,7 @@ struct Manager {
sd_bus *bus;
sd_device_monitor *device_monitor;
Hashmap *polkit_registry;
int ethtool_fd;
bool enumerating:1;
bool dirty:1;

6
src/network/networkd-network.c
View File

@ -776,8 +776,8 @@ int network_get_by_name(Manager *manager, const char *name, Network **ret) {
}
int network_get(Manager *manager, unsigned short iftype, sd_device *device,
const char *ifname, char * const *alternative_names,
const struct ether_addr *address, const struct ether_addr *permanent_address,
const char *ifname, char * const *alternative_names, const char *driver,
const struct ether_addr *mac, const struct ether_addr *permanent_mac,
enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid,
Network **ret) {
Network *network;
@ -791,7 +791,7 @@ int network_get(Manager *manager, unsigned short iftype, sd_device *device,
network->match_path, network->match_driver,
network->match_type, network->match_name, network->match_property,
network->match_wlan_iftype, network->match_ssid, network->match_bssid,
iftype, device, address, permanent_address,
device, mac, permanent_mac, driver, iftype,
ifname, alternative_names, wlan_iftype, ssid, bssid)) {
if (network->match_name && device) {
const char *attr;

7
src/network/networkd-network.h
View File

@ -346,10 +346,11 @@ int network_load_one(Manager *manager, OrderedHashmap **networks, const char *fi
int network_verify(Network *network);
int network_get_by_name(Manager *manager, const char *name, Network **ret);
int network_get(Manager *manager, unsigned short iftype, sd_device *device, const char *ifname, char * const *alternative_names,
int network_get(Manager *manager, unsigned short iftype, sd_device *device,
const char *ifname, char * const *alternative_names, const char *driver,
const struct ether_addr *mac, const struct ether_addr *permanent_mac,
enum nl80211_iftype wlan_iftype, const char *ssid,
const struct ether_addr *bssid, Network **ret);
enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid,
Network **ret);
int network_apply(Network *network, Link *link);
void network_apply_anonymize_if_set(Network *network);

2
src/network/test-network.c
View File

@ -126,7 +126,7 @@ static void test_network_get(Manager *manager, sd_device *loopback) {
/* Let's hope that the test machine does not have a .network file that applies to loopback device…
* But it is still possible, so let's allow that case too. */
r = network_get(manager, 0, loopback, "lo", NULL, &mac, &mac, 0, NULL, NULL, &network);
r = network_get(manager, 0, loopback, "lo", NULL, NULL, &mac, &mac, 0, NULL, NULL, &network);
if (r == -ENOENT)
/* The expected case */
assert_se(!network);

2
src/udev/net/link-config.c
View File

@ -270,7 +270,7 @@ int link_config_get(link_config_ctx *ctx, sd_device *device, link_config **ret)
LIST_FOREACH(links, link, ctx->links) {
if (net_match_config(link->match_mac, link->match_permanent_mac, link->match_path, link->match_driver,
link->match_type, link->match_name, link->match_property, NULL, NULL, NULL,
iftype, device, NULL, &permanent_mac, NULL, NULL, 0, NULL, NULL)) {
device, NULL, &permanent_mac, NULL, iftype, NULL, NULL, 0, NULL, NULL)) {
if (link->match_name && !strv_contains(link->match_name, "*")) {
unsigned name_assign_type = NET_NAME_UNKNOWN;