interface-ip.c

   1 #include <string.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4
   5 #include "netifd.h"
   6 #include "device.h"
   7 #include "interface.h"
   8 #include "interface-ip.h"
   9 #include "proto.h"
  10 #include "ubus.h"
  11 #include "system.h"
  12
  13 static int
  14 addr_cmp(const void *k1, const void *k2, void *ptr)
  15 {
  16         return memcmp(k1, k2, sizeof(struct device_addr) -
  17                       offsetof(struct device_addr, mask));
  18 }
  19
  20 static int
  21 route_cmp(const void *k1, const void *k2, void *ptr)
  22 {
  23         return memcmp(k1, k2, sizeof(struct device_route) -
  24                       offsetof(struct device_route, mask));
  25 }
  26
  27 static void
  28 interface_update_proto_addr(struct vlist_tree *tree,
  29                             struct vlist_node *node_new,
  30                             struct vlist_node *node_old)
  31 {
  32         struct interface *iface;
  33         struct device *dev;
  34         struct device_addr *addr;
  35
  36         iface = container_of(tree, struct interface, proto_addr);
  37         dev = iface->l3_dev->dev;
  38
  39         if (node_old) {
  40                 addr = container_of(node_old, struct device_addr, node);
  41                 if (!(addr->flags & DEVADDR_EXTERNAL))
  42                         system_del_address(dev, addr);
  43                 free(addr);
  44         }
  45
  46         if (node_new) {
  47                 addr = container_of(node_new, struct device_addr, node);
  48                 if (!(addr->flags & DEVADDR_EXTERNAL))
  49                         system_add_address(dev, addr);
  50         }
  51 }
  52
  53 static void
  54 interface_update_proto_route(struct vlist_tree *tree,
  55                              struct vlist_node *node_new,
  56                              struct vlist_node *node_old)
  57 {
  58         struct interface *iface;
  59         struct device *dev;
  60         struct device_route *route;
  61
  62         iface = container_of(tree, struct interface, proto_route);
  63         dev = iface->l3_dev->dev;
  64
  65         if (node_old) {
  66                 route = container_of(node_old, struct device_route, node);
  67                 if (!(route->flags & DEVADDR_EXTERNAL))
  68                         system_del_route(dev, route);
  69                 free(route);
  70         }
  71
  72         if (node_new) {
  73                 route = container_of(node_new, struct device_route, node);
  74                 if (!(route->flags & DEVADDR_EXTERNAL))
  75                         system_add_route(dev, route);
  76         }
  77 }
  78
  79 void
  80 interface_ip_init(struct interface *iface)
  81 {
  82         vlist_init(&iface->proto_route, route_cmp, interface_update_proto_route,
  83                    struct device_route, node, mask);
  84         vlist_init(&iface->proto_addr, addr_cmp, interface_update_proto_addr,
  85                    struct device_addr, node, mask);
  86 }