networkctl : Add support to display vxlan properties

[thirdparty/systemd.git] / src / network / networkctl.c

diff --git a/src/network/networkctl.c b/src/network/networkctl.c
index a1531ae8d2a1b8509237591ac0e5885fea14ccff..03b916d4129a540f09164beb8dc29bb4b3cb7528 100644 (file)
--- a/src/network/networkctl.c
+++ b/src/network/networkctl.c
@@ -107,6 +107,20 @@ static void setup_state_to_color(const char *state, const char **on, const char
                 *on = *off = "";
 }
 
+typedef struct VxLanInfo {
+        uint32_t vni;
+        uint32_t link;
+
+        int local_family;
+        int group_family;
+
+        union in_addr_union local;
+        union in_addr_union group;
+
+        uint16_t dest_port;
+
+} VxLanInfo;
+
 typedef struct LinkInfo {
         char name[IFNAMSIZ+1];
         char netdev_kind[NETDEV_KIND_MAX];
@@ -136,6 +150,9 @@ typedef struct LinkInfo {
         uint16_t priority;
         uint8_t mcast_igmp_version;
 
+        /* vxlan info */
+        VxLanInfo vxlan_info;
+
         /* ethtool info */
         int autonegotiation;
         size_t speed;
@@ -182,6 +199,30 @@ static int decode_netdev(sd_netlink_message *m, LinkInfo *info) {
                 (void) sd_netlink_message_read_u32(m, IFLA_BR_STP_STATE, &info->stp_state);
                 (void) sd_netlink_message_read_u16(m, IFLA_BR_PRIORITY, &info->priority);
                 (void) sd_netlink_message_read_u8(m, IFLA_BR_MCAST_IGMP_VERSION, &info->mcast_igmp_version);
+
+        } else if (streq(received_kind, "vxlan")) {
+                (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_ID, &info->vxlan_info.vni);
+
+                r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_GROUP, &info->vxlan_info.group.in);
+                if (r >= 0)
+                        info->vxlan_info.group_family = AF_INET;
+                else {
+                        r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_GROUP6, &info->vxlan_info.group.in6);
+                        if (r >= 0)
+                                info->vxlan_info.group_family = AF_INET6;
+                }
+
+                r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_LOCAL, &info->vxlan_info.local.in);
+                if (r >= 0)
+                        info->vxlan_info.local_family = AF_INET;
+                else {
+                        r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_LOCAL6, &info->vxlan_info.local.in6);
+                        if (r >= 0)
+                                info->vxlan_info.local_family = AF_INET6;
+                }
+
+                (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_LINK, &info->vxlan_info.link);
+                (void) sd_netlink_message_read_u16(m, IFLA_VXLAN_PORT, &info->vxlan_info.dest_port);
         }
 
         strncpy(info->netdev_kind, received_kind, IFNAMSIZ);
@@ -1141,6 +1182,54 @@ static int link_status_one(
                                    TABLE_UINT8, info->mcast_igmp_version);
                 if (r < 0)
                         return r;
+
+        } else if (streq_ptr(info->netdev_kind, "vxlan")) {
+                if (info->vxlan_info.vni > 0) {
+                        r = table_add_many(table,
+                                           TABLE_EMPTY,
+                                           TABLE_STRING, "VNI:",
+                                           TABLE_UINT32, info->vxlan_info.vni);
+                        if (r < 0)
+                                return r;
+                }
+
+                if (IN_SET(info->vxlan_info.group_family, AF_INET, AF_INET6)) {
+                        r = table_add_many(table,
+                                           TABLE_EMPTY,
+                                           TABLE_STRING, "Group:",
+                                           info->vxlan_info.group_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR,
+                                           &info->vxlan_info.group);
+                        if (r < 0)
+                                return r;
+                }
+
+                if (IN_SET(info->vxlan_info.local_family, AF_INET, AF_INET6)) {
+                        r = table_add_many(table,
+                                           TABLE_EMPTY,
+                                           TABLE_STRING, "Local:",
+                                           info->vxlan_info.local_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR,
+                                           &info->vxlan_info.local);
+                        if (r < 0)
+                                return r;
+                }
+
+                if (info->vxlan_info.dest_port > 0) {
+                        r = table_add_many(table,
+                                           TABLE_EMPTY,
+                                           TABLE_STRING, "Destination Port:",
+                                           TABLE_UINT16, be16toh(info->vxlan_info.dest_port));
+                        if (r < 0)
+                                return r;
+                }
+
+                if (info->vxlan_info.link > 0) {
+                        r = table_add_many(table,
+                                           TABLE_EMPTY,
+                                           TABLE_STRING, "Underlying Device:",
+                                           TABLE_IFINDEX, info->vxlan_info.link);
+                        if (r < 0)
+                                 return r;
+                }
         }
 
         if (info->has_bitrates) {