Changeset 3aece36 in mainline for uspace/srv/net/inetsrv/inet_link.c

Timestamp:

2013-07-12T17:25:09Z (11 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

956d4281

Parents:

bb9b0c6

Message:

configure a link-local IPv6 address instead of a static IPv6 address

File:

• uspace/srv/net/inetsrv/inet_link.c (modified) (4 diffs)

uspace/srv/net/inetsrv/inet_link.c

@@ -49 +49 @@
 #include "pdu.h"
 
+static bool first_link = true;
+static bool first_link6 = true;
+
 static int inet_link_open(service_id_t);
 static int inet_iplink_recv(iplink_t *, iplink_recv_sdu_t *, uint16_t);
@@ -58 +61 @@
 static LIST_INITIALIZE(inet_link_list);
 static FIBRIL_MUTEX_INITIALIZE(inet_discovery_lock);
+
+static addr128_t link_local_node_ip =
+    {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xfe, 0, 0, 0};
+
+static void inet_link_local_node_ip(addr48_t mac_addr,
+    addr128_t ip_addr)
+{
+        memcpy(ip_addr, link_local_node_ip, 16);
+        
+        ip_addr[8] = mac_addr[0] ^ 0x02;
+        ip_addr[9] = mac_addr[1];
+        ip_addr[10] = mac_addr[2];
+        ip_addr[13] = mac_addr[3];
+        ip_addr[14] = mac_addr[4];
+        ip_addr[15] = mac_addr[5];
+}
 
 static int inet_iplink_recv(iplink_t *iplink, iplink_recv_sdu_t *sdu, uint16_t af)
@@ -159 +178 @@
         if (ilink->svc_name != NULL)
                 free(ilink->svc_name);
+        
         free(ilink);
 }
@@ -212 +232 @@
         list_append(&ilink->link_list, &inet_link_list);
 
-        inet_addrobj_t *addr;
-        inet_addrobj_t *addr6;
-
-        static int first = 1;
-        
-        addr = inet_addrobj_new();
-        addr6 = inet_addrobj_new();
-        
-        if (first) {
+        inet_addrobj_t *addr = NULL;
+        
+        if (first_link) {
+                addr = inet_addrobj_new();
+                
                 inet_naddr(&addr->naddr, 127, 0, 0, 1, 24);
-                inet_naddr6(&addr6->naddr, 0, 0, 0, 0, 0, 0, 0, 1, 128);
-                first = 0;
+                first_link = false;
         } else {
                 /*
                  * FIXME
-                 * Setting static IP addresses for testing purposes
+                 * Setting static IPv4 address for testing purposes:
                  * 10.0.2.15/24
-                 * fd19:1680::4/120
                  */
+                addr = inet_addrobj_new();
+                
                 inet_naddr(&addr->naddr, 10, 0, 2, 15, 24);
-                inet_naddr6(&addr6->naddr, 0xfd19, 0x1680, 0, 0, 0, 0, 0, 4, 120);
-        }
-        
-        addr->ilink = ilink;
-        addr6->ilink = ilink;
-        addr->name = str_dup("v4a");
-        addr6->name = str_dup("v6a");
-        
-        rc = inet_addrobj_add(addr);
-        if (rc != EOK) {
-                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed adding IPv4 address.");
-                inet_addrobj_delete(addr);
-                /* XXX Roll back */
-                return rc;
-        }
-        
-        rc = inet_addrobj_add(addr6);
-        if (rc != EOK) {
-                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed adding IPv6 address.");
-                inet_addrobj_delete(addr6);
-                /* XXX Roll back */
-                return rc;
-        }
-        
-        inet_naddr_addr(&addr->naddr, &iaddr);
-        rc = iplink_addr_add(ilink->iplink, &iaddr);
-        if (rc != EOK) {
-                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed setting IPv4 address on internet link.");
-                inet_addrobj_remove(addr);
-                inet_addrobj_delete(addr);
-                /* XXX Roll back */
-                return rc;
-        }
-        
-        inet_naddr_addr(&addr6->naddr, &iaddr);
-        rc = iplink_addr_add(ilink->iplink, &iaddr);
-        if (rc != EOK) {
-                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed setting IPv6 address on internet link.");
-                inet_addrobj_remove(addr6);
-                inet_addrobj_delete(addr6);
-                /* XXX Roll back */
-                return rc;
+        }
+        
+        if (addr != NULL) {
+                addr->ilink = ilink;
+                addr->name = str_dup("v4a");
+                
+                rc = inet_addrobj_add(addr);
+                if (rc == EOK) {
+                        inet_naddr_addr(&addr->naddr, &iaddr);
+                        rc = iplink_addr_add(ilink->iplink, &iaddr);
+                        if (rc != EOK) {
+                                log_msg(LOG_DEFAULT, LVL_ERROR,
+                                    "Failed setting IPv4 address on internet link.");
+                                inet_addrobj_remove(addr);
+                                inet_addrobj_delete(addr);
+                        }
+                } else {
+                        log_msg(LOG_DEFAULT, LVL_ERROR, "Failed adding IPv4 address.");
+                        inet_addrobj_delete(addr);
+                }
+        }
+        
+        inet_addrobj_t *addr6 = NULL;
+        
+        if (first_link6) {
+                addr6 = inet_addrobj_new();
+                
+                inet_naddr6(&addr6->naddr, 0, 0, 0, 0, 0, 0, 0, 1, 128);
+                first_link6 = false;
+        } else if (ilink->mac_valid) {
+                addr6 = inet_addrobj_new();
+                
+                addr128_t link_local;
+                inet_link_local_node_ip(ilink->mac, link_local);
+                
+                inet_naddr_set6(link_local, 64, &addr6->naddr);
+        }
+        
+        if (addr6 != NULL) {
+                addr6->ilink = ilink;
+                addr6->name = str_dup("v6a");
+                
+                rc = inet_addrobj_add(addr6);
+                if (rc == EOK) {
+                        inet_naddr_addr(&addr6->naddr, &iaddr);
+                        rc = iplink_addr_add(ilink->iplink, &iaddr);
+                        if (rc != EOK) {
+                                log_msg(LOG_DEFAULT, LVL_ERROR,
+                                    "Failed setting IPv6 address on internet link.");
+                                inet_addrobj_remove(addr6);
+                                inet_addrobj_delete(addr6);
+                        }
+                } else {
+                        log_msg(LOG_DEFAULT, LVL_ERROR, "Failed adding IPv6 address.");
+                        inet_addrobj_delete(addr6);
+                }
         }