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-rw-r--r--src/network/networkd-dhcp4.c41
-rw-r--r--src/network/networkd-netdev-gperf.gperf2
-rw-r--r--src/network/networkd-netdev-tunnel.c58
-rw-r--r--src/network/networkd-netdev-tunnel.h27
-rw-r--r--src/network/networkd-netdev-tuntap.c3
-rw-r--r--src/network/networkd-netdev-tuntap.h1
-rw-r--r--src/network/networkd-netdev-vxlan.h11
-rw-r--r--src/network/networkd-network-gperf.gperf1
-rw-r--r--src/network/networkd-network.c36
-rw-r--r--src/network/networkd.h27
10 files changed, 172 insertions, 35 deletions
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index d446bfa8b3..4aa301b112 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -270,12 +270,18 @@ static int dhcp_lease_lost(Link *link) {
if (link->network->dhcp_hostname) {
const char *hostname = NULL;
- r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
- if (r >= 0 && hostname) {
- r = link_set_hostname(link, "");
+ if (!link->network->hostname)
+ r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
+ else
+ hostname = link->network->hostname;
+
+ if (r >= 0 || hostname) {
+ r = link_set_hostname(link, hostname);
if (r < 0)
- log_link_error(link,
- "Failed to reset transient hostname");
+ log_link_error_errno(link, r,
+ "Failed to set transient hostname to '%s': %m",
+ hostname);
+
}
}
@@ -464,8 +470,12 @@ static int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {
if (link->network->dhcp_hostname) {
const char *hostname;
- r = sd_dhcp_lease_get_hostname(lease, &hostname);
- if (r >= 0) {
+ if (!link->network->hostname)
+ r = sd_dhcp_lease_get_hostname(lease, &hostname);
+ else
+ hostname = link->network->hostname;
+
+ if (r >= 0 || hostname) {
r = link_set_hostname(link, hostname);
if (r < 0)
log_link_error_errno(link, r, "Failed to set transient hostname to '%s': %m", hostname);
@@ -616,14 +626,19 @@ int dhcp4_configure(Link *link) {
if (link->network->dhcp_sendhost) {
_cleanup_free_ char *hostname = NULL;
+ const char *hn = NULL;
+
+ if (!link->network->hostname) {
+ hostname = gethostname_malloc();
+ if (!hostname)
+ return -ENOMEM;
- hostname = gethostname_malloc();
- if (!hostname)
- return -ENOMEM;
+ hn = hostname;
+ } else
+ hn = link->network->hostname;
- if (!is_localhost(hostname)) {
- r = sd_dhcp_client_set_hostname(link->dhcp_client,
- hostname);
+ if (!is_localhost(hn)) {
+ r = sd_dhcp_client_set_hostname(link->dhcp_client, hn);
if (r < 0)
return r;
}
diff --git a/src/network/networkd-netdev-gperf.gperf b/src/network/networkd-netdev-gperf.gperf
index 66ed2e013c..63258c0376 100644
--- a/src/network/networkd-netdev-gperf.gperf
+++ b/src/network/networkd-netdev-gperf.gperf
@@ -36,6 +36,7 @@ Tunnel.TOS, config_parse_unsigned, 0,
Tunnel.TTL, config_parse_unsigned, 0, offsetof(Tunnel, ttl)
Tunnel.DiscoverPathMTU, config_parse_bool, 0, offsetof(Tunnel, pmtudisc)
Tunnel.Mode, config_parse_ip6tnl_mode, 0, offsetof(Tunnel, ip6tnl_mode)
+Tunnel.IPv6FlowLabel, config_parse_ipv6_flowlabel, 0, offsetof(Tunnel, ipv6_flowlabel)
Peer.Name, config_parse_ifname, 0, offsetof(Veth, ifname_peer)
Peer.MACAddress, config_parse_hwaddr, 0, offsetof(Veth, mac_peer)
VXLAN.Id, config_parse_uint64, 0, offsetof(VxLan, id)
@@ -59,6 +60,7 @@ Tun.Group, config_parse_string, 0,
Tap.OneQueue, config_parse_bool, 0, offsetof(TunTap, one_queue)
Tap.MultiQueue, config_parse_bool, 0, offsetof(TunTap, multi_queue)
Tap.PacketInfo, config_parse_bool, 0, offsetof(TunTap, packet_info)
+Tap.VnetHeader, config_parse_bool, 0, offsetof(TunTap, vnet_hdr)
Tap.User, config_parse_string, 0, offsetof(TunTap, user_name)
Tap.Group, config_parse_string, 0, offsetof(TunTap, group_name)
Bond.Mode, config_parse_bond_mode, 0, offsetof(Bond, mode)
diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c
index 5533fb5c7b..a13edf6936 100644
--- a/src/network/networkd-netdev-tunnel.c
+++ b/src/network/networkd-netdev-tunnel.c
@@ -33,6 +33,7 @@
#include "conf-parser.h"
#define DEFAULT_TNL_HOP_LIMIT 64
+#define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF)
static const char* const ip6tnl_mode_table[_NETDEV_IP6_TNL_MODE_MAX] = {
[NETDEV_IP6_TNL_MODE_IP6IP6] = "ip6ip6",
@@ -264,6 +265,16 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netl
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m");
+ if (t->ipv6_flowlabel != _NETDEV_IPV6_FLOWLABEL_INVALID) {
+ r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLOWINFO, t->ipv6_flowlabel);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLOWINFO attribute: %m");
+ }
+
+ r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLAGS, t->flags);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLAGS attribute: %m");
+
switch (t->ip6tnl_mode) {
case NETDEV_IP6_TNL_MODE_IP6IP6:
proto = IPPROTO_IPV6;
@@ -380,6 +391,52 @@ int config_parse_tunnel_address(const char *unit,
return 0;
}
+static const char* const ipv6_flowlabel_table[_NETDEV_IPV6_FLOWLABEL_MAX] = {
+ [NETDEV_IPV6_FLOWLABEL_INHERIT] = "inherit",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(ipv6_flowlabel, IPv6FlowLabel);
+
+int config_parse_ipv6_flowlabel(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) {
+ IPv6FlowLabel *ipv6_flowlabel = data;
+ Tunnel *t = userdata;
+ IPv6FlowLabel s;
+ int k = 0;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(ipv6_flowlabel);
+
+ s = ipv6_flowlabel_from_string(rvalue);
+ if (s != _NETDEV_IPV6_FLOWLABEL_INVALID) {
+ *ipv6_flowlabel = IP6_FLOWINFO_FLOWLABEL;
+ t->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL;
+ } else {
+ r = config_parse_unsigned(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &k, userdata);
+ if (r >= 0) {
+ if (k > 0xFFFFF)
+ log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse IPv6 flowlabel option, ignoring: %s", rvalue);
+ else {
+ *ipv6_flowlabel = htonl(k) & IP6_FLOWINFO_FLOWLABEL;
+ t->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL;
+ }
+ }
+ }
+
+ return 0;
+}
+
static void ipip_init(NetDev *n) {
Tunnel *t = IPIP(n);
@@ -452,6 +509,7 @@ static void ip6tnl_init(NetDev *n) {
t->ttl = DEFAULT_TNL_HOP_LIMIT;
t->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT;
t->ip6tnl_mode = _NETDEV_IP6_TNL_MODE_INVALID;
+ t->ipv6_flowlabel = _NETDEV_IPV6_FLOWLABEL_INVALID;
}
const NetDevVTable ipip_vtable = {
diff --git a/src/network/networkd-netdev-tunnel.h b/src/network/networkd-netdev-tunnel.h
index 88f57ac105..47981fbe32 100644
--- a/src/network/networkd-netdev-tunnel.h
+++ b/src/network/networkd-netdev-tunnel.h
@@ -33,6 +33,12 @@ typedef enum Ip6TnlMode {
_NETDEV_IP6_TNL_MODE_INVALID = -1,
} Ip6TnlMode;
+typedef enum IPv6FlowLabel {
+ NETDEV_IPV6_FLOWLABEL_INHERIT = 0xFFFFF + 1,
+ _NETDEV_IPV6_FLOWLABEL_MAX,
+ _NETDEV_IPV6_FLOWLABEL_INVALID = -1,
+} IPv6FlowLabel;
+
struct Tunnel {
NetDev meta;
@@ -48,6 +54,7 @@ struct Tunnel {
union in_addr_union remote;
Ip6TnlMode ip6tnl_mode;
+ IPv6FlowLabel ipv6_flowlabel;
bool pmtudisc;
};
@@ -70,3 +77,23 @@ int config_parse_ip6tnl_mode(const char *unit, const char *filename,
unsigned section_line, const char *lvalue,
int ltype, const char *rvalue, void *data,
void *userdata);
+
+int config_parse_tunnel_address(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);
+
+const char *ipv6_flowlabel_to_string(IPv6FlowLabel d) _const_;
+IPv6FlowLabel ipv6_flowlabel_from_string(const char *d) _pure_;
+
+int config_parse_ipv6_flowlabel(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);
diff --git a/src/network/networkd-netdev-tuntap.c b/src/network/networkd-netdev-tuntap.c
index 378312f091..ba84e802fc 100644
--- a/src/network/networkd-netdev-tuntap.c
+++ b/src/network/networkd-netdev-tuntap.c
@@ -51,6 +51,9 @@ static int netdev_fill_tuntap_message(NetDev *netdev, struct ifreq *ifr) {
if (t->multi_queue)
ifr->ifr_flags |= IFF_MULTI_QUEUE;
+ if (t->vnet_hdr)
+ ifr->ifr_flags |= IFF_VNET_HDR;
+
strncpy(ifr->ifr_name, netdev->ifname, IFNAMSIZ-1);
return 0;
diff --git a/src/network/networkd-netdev-tuntap.h b/src/network/networkd-netdev-tuntap.h
index b804875bbb..29f8bb0ea5 100644
--- a/src/network/networkd-netdev-tuntap.h
+++ b/src/network/networkd-netdev-tuntap.h
@@ -33,6 +33,7 @@ struct TunTap {
bool one_queue;
bool multi_queue;
bool packet_info;
+ bool vnet_hdr;
};
extern const NetDevVTable tun_vtable;
diff --git a/src/network/networkd-netdev-vxlan.h b/src/network/networkd-netdev-vxlan.h
index fe5254e91f..e7d1306f13 100644
--- a/src/network/networkd-netdev-vxlan.h
+++ b/src/network/networkd-netdev-vxlan.h
@@ -53,3 +53,14 @@ struct VxLan {
};
extern const NetDevVTable vxlan_vtable;
+
+int config_parse_vxlan_group_address(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);
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 787fc2ff5b..3a78c3d8a8 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -67,6 +67,7 @@ DHCP.UseHostname, config_parse_bool, 0
DHCP.UseDomains, config_parse_bool, 0, offsetof(Network, dhcp_domains)
DHCP.UseRoutes, config_parse_bool, 0, offsetof(Network, dhcp_routes)
DHCP.SendHostname, config_parse_bool, 0, offsetof(Network, dhcp_sendhost)
+DHCP.Hostname, config_parse_hostname, 0, offsetof(Network, hostname)
DHCP.RequestBroadcast, config_parse_bool, 0, offsetof(Network, dhcp_broadcast)
DHCP.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
DHCP.VendorClassIdentifier, config_parse_string, 0, offsetof(Network, dhcp_vendor_class_identifier)
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index a8e9ef909c..55e735e6bf 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -207,6 +207,7 @@ void network_free(Network *network) {
free(network->description);
free(network->dhcp_vendor_class_identifier);
+ free(network->hostname);
free(network->mac);
@@ -809,3 +810,38 @@ int config_parse_ipv6_privacy_extensions(
return 0;
}
+
+int config_parse_hostname(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) {
+ char **hostname = data;
+ char *hn = NULL;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = config_parse_string(unit, filename, line, section, section_line,
+ lvalue, ltype, rvalue, &hn, userdata);
+ if (r < 0)
+ return r;
+
+ if (!hostname_is_valid(hn)) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "hostname is not valid, ignoring assignment: %s", rvalue);
+
+ free(hn);
+ return 0;
+ }
+
+ *hostname = hn;
+
+ return 0;
+}
diff --git a/src/network/networkd.h b/src/network/networkd.h
index f98c640822..fb95f90169 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -133,6 +133,7 @@ struct Network {
AddressFamilyBoolean dhcp;
DCHPClientIdentifier dhcp_client_identifier;
char *dhcp_vendor_class_identifier;
+ char *hostname;
bool dhcp_dns;
bool dhcp_ntp;
bool dhcp_mtu;
@@ -319,28 +320,6 @@ int config_parse_tunnel(const char *unit,
void *data,
void *userdata);
-int config_parse_tunnel_address(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);
-
-int config_parse_vxlan_group_address(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);
-
extern const sd_bus_vtable network_vtable[];
int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
@@ -473,3 +452,7 @@ const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_;
IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_;
int config_parse_ipv6_privacy_extensions(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);
+
+
+/* Hostname */
+int config_parse_hostname(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);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2025-02-23 09:08:19 +0000