Changeset 02a09ed in mainline for uspace/srv/net/ethip/ethip.c

Timestamp:

2013-06-28T20:20:03Z (11 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

1d24ad3

Parents:

edf0d27

Message:

add basic infrastructure for IPv6 (inactive)
make inet_addr_t a universal address type

File:

• uspace/srv/net/ethip/ethip.c (modified) (7 diffs)

uspace/srv/net/ethip/ethip.c

@@ -44 +44 @@
 #include <stdio.h>
 #include <stdlib.h>
-
+#include <net/socket_codes.h>
 #include "arp.h"
 #include "ethip.h"
@@ -55 +55 @@
 static int ethip_open(iplink_srv_t *srv);
 static int ethip_close(iplink_srv_t *srv);
-static int ethip_send(iplink_srv_t *srv, iplink_srv_sdu_t *sdu);
+static int ethip_send(iplink_srv_t *srv, iplink_sdu_t *sdu);
 static int ethip_get_mtu(iplink_srv_t *srv, size_t *mtu);
-static int ethip_addr_add(iplink_srv_t *srv, uint32_t addr);
-static int ethip_addr_remove(iplink_srv_t *srv, uint32_t addr);
+static int ethip_addr_add(iplink_srv_t *srv, inet_addr_t *addr);
+static int ethip_addr_remove(iplink_srv_t *srv, inet_addr_t *addr);
 
 static void ethip_client_conn(ipc_callid_t iid, ipc_call_t *icall, void *arg);
@@ -164 +164 @@
 }
 
-static int ethip_send(iplink_srv_t *srv, iplink_srv_sdu_t *sdu)
-{
-        ethip_nic_t *nic = (ethip_nic_t *)srv->arg;
+static int ethip_send(iplink_srv_t *srv, iplink_sdu_t *sdu)
+{
+        log_msg(LOG_DEFAULT, LVL_DEBUG, "ethip_send()");
+        
+        ethip_nic_t *nic = (ethip_nic_t *) srv->arg;
+        
+        addr32_t src_v4;
+        addr128_t src_v6;
+        uint16_t src_af = inet_addr_get(&sdu->src, &src_v4, &src_v6);
+        
+        addr32_t dest_v4;
+        addr128_t dest_v6;
+        uint16_t dest_af = inet_addr_get(&sdu->dest, &dest_v4, &dest_v6);
+        
+        if (src_af != dest_af)
+                return EINVAL;
+        
+        int rc;
         eth_frame_t frame;
+        
+        switch (src_af) {
+        case AF_INET:
+                rc = arp_translate(nic, src_v4, dest_v4, frame.dest);
+                if (rc != EOK) {
+                        log_msg(LOG_DEFAULT, LVL_WARN, "Failed to look up IPv4 address 0x%"
+                            PRIx32, dest_v4);
+                        return rc;
+                }
+                
+                addr48(nic->mac_addr, frame.src);
+                frame.etype_len = ETYPE_IP;
+                frame.data = sdu->data;
+                frame.size = sdu->size;
+                
+                break;
+        case AF_INET6:
+                // FIXME TODO
+                return ENOTSUP;
+        default:
+                return EINVAL;
+        }
+        
         void *data;
         size_t size;
-        mac48_addr_t dest_mac_addr;
-        int rc;
-
-        log_msg(LOG_DEFAULT, LVL_DEBUG, "ethip_send()");
-
-        rc = arp_translate(nic, sdu->lsrc, sdu->ldest, &dest_mac_addr);
-        if (rc != EOK) {
-                log_msg(LOG_DEFAULT, LVL_WARN, "Failed to look up IP address 0x%" PRIx32,
-                    sdu->ldest);
-                return rc;
-        }
-
-        frame.dest      = dest_mac_addr;
-        frame.src       = nic->mac_addr;
-        frame.etype_len = ETYPE_IP;
-        frame.data = sdu->data;
-        frame.size = sdu->size;
-
         rc = eth_pdu_encode(&frame, &data, &size);
         if (rc != EOK)
@@ -201 +221 @@
 {
         log_msg(LOG_DEFAULT, LVL_DEBUG, "ethip_received(): srv=%p", srv);
-        ethip_nic_t *nic = (ethip_nic_t *)srv->arg;
+        ethip_nic_t *nic = (ethip_nic_t *) srv->arg;
+        
+        log_msg(LOG_DEFAULT, LVL_DEBUG, " - eth_pdu_decode");
+        
         eth_frame_t frame;
-        iplink_srv_sdu_t sdu;
-        int rc;
-
-        log_msg(LOG_DEFAULT, LVL_DEBUG, "ethip_received()");
-
-        log_msg(LOG_DEFAULT, LVL_DEBUG, " - eth_pdu_decode");
-        rc = eth_pdu_decode(data, size, &frame);
+        int rc = eth_pdu_decode(data, size, &frame);
         if (rc != EOK) {
                 log_msg(LOG_DEFAULT, LVL_DEBUG, " - eth_pdu_decode failed");
                 return rc;
         }
-
+        
+        iplink_recv_sdu_t sdu;
+        
         switch (frame.etype_len) {
         case ETYPE_ARP:
@@ -221 +240 @@
         case ETYPE_IP:
                 log_msg(LOG_DEFAULT, LVL_DEBUG, " - construct SDU");
-                sdu.lsrc = 0;
-                sdu.ldest = 0;
                 sdu.data = frame.data;
                 sdu.size = frame.size;
                 log_msg(LOG_DEFAULT, LVL_DEBUG, " - call iplink_ev_recv");
-                rc = iplink_ev_recv(&nic->iplink, &sdu);
+                rc = iplink_ev_recv(&nic->iplink, &sdu, AF_INET);
                 break;
         default:
@@ -244 +261 @@
 }
 
-static int ethip_addr_add(iplink_srv_t *srv, uint32_t addr)
-{
-        log_msg(LOG_DEFAULT, LVL_DEBUG, "ethip_addr_add(0x%" PRIx32 ")", addr);
-        
+static int ethip_addr_add(iplink_srv_t *srv, inet_addr_t *addr)
+{
         ethip_nic_t *nic = (ethip_nic_t *) srv->arg;
         
@@ -253 +268 @@
 }
 
-static int ethip_addr_remove(iplink_srv_t *srv, uint32_t addr)
-{
-        log_msg(LOG_DEFAULT, LVL_DEBUG, "ethip_addr_remove(0x%" PRIx32 ")", addr);
-        
-        ethip_nic_t *nic = (ethip_nic_t *)srv->arg;
-        
-        return ethip_nic_addr_add(nic, addr);
+static int ethip_addr_remove(iplink_srv_t *srv, inet_addr_t *addr)
+{
+        ethip_nic_t *nic = (ethip_nic_t *) srv->arg;
+        
+        return ethip_nic_addr_remove(nic, addr);
 }