Adding upstream version 247.3.upstream/247.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/src/network/netdev/macvlan.c b/src/network/netdev/macvlan.c
new file mode 100644
index 0000000..9bdcf62
--- /dev/null
+++ b/src/network/netdev/macvlan.c
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <net/if.h>
+
+#include "conf-parser.h"
+#include "macvlan.h"
+#include "macvlan-util.h"
+
+DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
+
+static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
+        MacVlan *m;
+        int r;
+
+        assert(netdev);
+        assert(link);
+        assert(netdev->ifname);
+
+        if (netdev->kind == NETDEV_KIND_MACVLAN)
+                m = MACVLAN(netdev);
+        else
+                m = MACVTAP(netdev);
+
+        assert(m);
+
+        if (m->mode == NETDEV_MACVLAN_MODE_SOURCE && !set_isempty(m->match_source_mac)) {
+                const struct ether_addr *mac_addr;
+
+                r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MACADDR_MODE, MACVLAN_MACADDR_SET);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MACADDR_MODE attribute: %m");
+
+                r = sd_netlink_message_open_container(req, IFLA_MACVLAN_MACADDR_DATA);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not open IFLA_MACVLAN_MACADDR_DATA container: %m");
+
+                SET_FOREACH(mac_addr, m->match_source_mac) {
+                        r = sd_netlink_message_append_ether_addr(req, IFLA_MACVLAN_MACADDR, mac_addr);
+                        if (r < 0)
+                                return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MACADDR attribute: %m");
+                }
+
+                r = sd_netlink_message_close_container(req);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not close IFLA_MACVLAN_MACADDR_DATA container: %m");
+        }
+
+        if (m->mode != _NETDEV_MACVLAN_MODE_INVALID) {
+                r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MODE attribute: %m");
+        }
+
+        return 0;
+}
+
+static void macvlan_done(NetDev *n) {
+        MacVlan *m;
+
+        assert(n);
+
+        if (n->kind == NETDEV_KIND_MACVLAN)
+                m = MACVLAN(n);
+        else
+                m = MACVTAP(n);
+
+        assert(m);
+
+        set_free_free(m->match_source_mac);
+}
+
+static void macvlan_init(NetDev *n) {
+        MacVlan *m;
+
+        assert(n);
+
+        if (n->kind == NETDEV_KIND_MACVLAN)
+                m = MACVLAN(n);
+        else
+                m = MACVTAP(n);
+
+        assert(m);
+
+        m->mode = _NETDEV_MACVLAN_MODE_INVALID;
+}
+
+const NetDevVTable macvtap_vtable = {
+        .object_size = sizeof(MacVlan),
+        .init = macvlan_init,
+        .done = macvlan_done,
+        .sections = NETDEV_COMMON_SECTIONS "MACVTAP\0",
+        .fill_message_create = netdev_macvlan_fill_message_create,
+        .create_type = NETDEV_CREATE_STACKED,
+        .generate_mac = true,
+};
+
+const NetDevVTable macvlan_vtable = {
+        .object_size = sizeof(MacVlan),
+        .init = macvlan_init,
+        .done = macvlan_done,
+        .sections = NETDEV_COMMON_SECTIONS "MACVLAN\0",
+        .fill_message_create = netdev_macvlan_fill_message_create,
+        .create_type = NETDEV_CREATE_STACKED,
+        .generate_mac = true,
+};