chiark / gitweb /
sd-rtnl: message_open_container - don't take a 'size' argument
[elogind.git] / src / libsystemd / sd-rtnl / rtnl-message.c
index 39ef25ef9ec917577cee668891280f73877fed0c..096a32236cdb5d4f08a6c2c130f46d8e1b429874 100644 (file)
@@ -24,6 +24,7 @@
 #include <netinet/ether.h>
 #include <stdbool.h>
 #include <unistd.h>
+#include <linux/veth.h>
 
 #include "util.h"
 #include "refcnt.h"
@@ -32,7 +33,7 @@
 #include "rtnl-util.h"
 #include "rtnl-internal.h"
 
-#define GET_CONTAINER(m, i) (i < (m)->n_containers ? (struct rtattr*)((uint8_t*)(m)->hdr + (m)->container_offsets[i]) : NULL)
+#define GET_CONTAINER(m, i) ((i) < (m)->n_containers ? (struct rtattr*)((uint8_t*)(m)->hdr + (m)->container_offsets[i]) : NULL)
 #define NEXT_RTA(m) ((struct rtattr*)((uint8_t*)(m)->hdr + (m)->next_rta_offset))
 #define UPDATE_RTA(m, new) (m)->next_rta_offset = (uint8_t*)(new) - (uint8_t*)(m)->hdr;
 #define PUSH_CONTAINER(m, new) (m)->container_offsets[(m)->n_containers ++] = (uint8_t*)(new) - (uint8_t*)(m)->hdr;
@@ -81,7 +82,7 @@ int sd_rtnl_message_route_set_dst_prefixlen(sd_rtnl_message *m, unsigned char pr
         return 0;
 }
 
-int sd_rtnl_message_route_new(uint16_t nlmsg_type, unsigned char rtm_family,
+int sd_rtnl_message_new_route(uint16_t nlmsg_type, unsigned char rtm_family,
                               sd_rtnl_message **ret) {
         struct rtmsg *rtm;
         int r;
@@ -118,14 +119,12 @@ int sd_rtnl_message_link_set_flags(sd_rtnl_message *m, unsigned flags, unsigned
         assert_return(m, -EINVAL);
         assert_return(m->hdr, -EINVAL);
         assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL);
+        assert_return(change, -EINVAL);
 
         ifi = NLMSG_DATA(m->hdr);
 
         ifi->ifi_flags = flags;
-        if (change)
-                ifi->ifi_change = change;
-        else
-                ifi->ifi_change = 0xffffffff;
+        ifi->ifi_change = change;
 
         return 0;
 }
@@ -144,7 +143,7 @@ int sd_rtnl_message_link_set_type(sd_rtnl_message *m, unsigned type) {
         return 0;
 }
 
-int sd_rtnl_message_link_new(uint16_t nlmsg_type, int index, sd_rtnl_message **ret) {
+int sd_rtnl_message_new_link(uint16_t nlmsg_type, int index, sd_rtnl_message **ret) {
         struct ifinfomsg *ifi;
         int r;
 
@@ -217,7 +216,7 @@ int sd_rtnl_message_addr_set_scope(sd_rtnl_message *m, unsigned char scope) {
         return 0;
 }
 
-int sd_rtnl_message_addr_new(uint16_t nlmsg_type, int index, unsigned char family,
+int sd_rtnl_message_new_addr(uint16_t nlmsg_type, int index, unsigned char family,
                              sd_rtnl_message **ret) {
         struct ifaddrmsg *ifa;
         int r;
@@ -507,6 +506,10 @@ int sd_rtnl_message_append_u32(sd_rtnl_message *m, unsigned short type, uint32_t
                                 case IFLA_LINK:
                                 case IFLA_GROUP:
                                 case IFLA_TXQLEN:
+                                case IFLA_WEIGHT:
+                                case IFLA_NET_NS_FD:
+                                case IFLA_NET_NS_PID:
+                                case IFLA_PROMISCUITY:
                                 case IFLA_NUM_TX_QUEUES:
                                 case IFLA_NUM_RX_QUEUES:
                                         break;
@@ -522,6 +525,7 @@ int sd_rtnl_message_append_u32(sd_rtnl_message *m, unsigned short type, uint32_t
                                 case RTA_PRIORITY:
                                 case RTA_IIF:
                                 case RTA_OIF:
+                                case RTA_MARK:
                                         break;
                                 default:
                                         return -ENOTSUP;
@@ -704,16 +708,18 @@ int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type) {
         sd_rtnl_message_get_type(m, &rtm_type);
 
         if (rtnl_message_type_is_link(rtm_type)) {
+
                 if ((type == IFLA_LINKINFO && m->n_containers == 0) ||
                     (type == IFLA_INFO_DATA && m->n_containers == 1 &&
                      GET_CONTAINER(m, 0)->rta_type == IFLA_LINKINFO))
                         return add_rtattr(m, type, NULL, 0);
-                else
-                        return -ENOTSUP;
-        } else
-                return -ENOTSUP;
+                else if (type == VETH_INFO_PEER && m->n_containers == 2 &&
+                         GET_CONTAINER(m, 1)->rta_type == IFLA_INFO_DATA &&
+                         GET_CONTAINER(m, 0)->rta_type == IFLA_LINKINFO)
+                        return add_rtattr(m, type, NULL, sizeof(struct ifinfomsg));
+        }
 
-        return 0;
+        return -ENOTSUP;
 }
 
 int sd_rtnl_message_close_container(sd_rtnl_message *m) {