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authorMichael Brown2013-08-30 20:05:03 +0200
committerMichael Brown2013-09-03 02:24:15 +0200
commit0b65c8cad6ed1b03ce1870856b3496c7be1f8bf1 (patch)
tree7735c595a01cf81212490caa99e7ad7cfffb81f5
parent[netdevice] Add concept of a network device index (diff)
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[netdevice] Add method for generating EUI-64 address from link-layer address
Signed-off-by: Michael Brown <mcb30@ipxe.org>
-rw-r--r--src/drivers/net/ipoib.c1
-rw-r--r--src/include/ipxe/ethernet.h1
-rw-r--r--src/include/ipxe/netdevice.h9
-rw-r--r--src/net/80211/net80211.c1
-rw-r--r--src/net/ethernet.c16
5 files changed, 28 insertions, 0 deletions
diff --git a/src/drivers/net/ipoib.c b/src/drivers/net/ipoib.c
index c1b8cad9..1b539177 100644
--- a/src/drivers/net/ipoib.c
+++ b/src/drivers/net/ipoib.c
@@ -265,6 +265,7 @@ struct ll_protocol ipoib_protocol __ll_protocol = {
.ntoa = eth_ntoa,
.mc_hash = eth_mc_hash,
.eth_addr = eth_eth_addr,
+ .eui64 = eth_eui64,
.flags = LL_NAME_ONLY,
};
diff --git a/src/include/ipxe/ethernet.h b/src/include/ipxe/ethernet.h
index 1794ff67..5ffc45b7 100644
--- a/src/include/ipxe/ethernet.h
+++ b/src/include/ipxe/ethernet.h
@@ -91,6 +91,7 @@ extern const char * eth_ntoa ( const void *ll_addr );
extern int eth_mc_hash ( unsigned int af, const void *net_addr,
void *ll_addr );
extern int eth_eth_addr ( const void *ll_addr, void *eth_addr );
+extern int eth_eui64 ( const void *ll_addr, void *eui64 );
extern struct net_device * alloc_etherdev ( size_t priv_size );
#endif /* _IPXE_ETHERNET_H */
diff --git a/src/include/ipxe/netdevice.h b/src/include/ipxe/netdevice.h
index 7288ad86..7f819d9a 100644
--- a/src/include/ipxe/netdevice.h
+++ b/src/include/ipxe/netdevice.h
@@ -175,8 +175,17 @@ struct ll_protocol {
*
* @v ll_addr Link-layer address
* @v eth_addr Ethernet-compatible address to fill in
+ * @ret rc Return status code
*/
int ( * eth_addr ) ( const void *ll_addr, void *eth_addr );
+ /**
+ * Generate EUI-64 address
+ *
+ * @v ll_addr Link-layer address
+ * @v eui64 EUI-64 address to fill in
+ * @ret rc Return status code
+ */
+ int ( * eui64 ) ( const void *ll_addr, void *eui64 );
/** Link-layer protocol
*
* This is an ARPHRD_XXX constant, in network byte order.
diff --git a/src/net/80211/net80211.c b/src/net/80211/net80211.c
index 54df7905..3893f652 100644
--- a/src/net/80211/net80211.c
+++ b/src/net/80211/net80211.c
@@ -599,6 +599,7 @@ static struct ll_protocol net80211_ll_protocol __ll_protocol = {
.ntoa = eth_ntoa,
.mc_hash = eth_mc_hash,
.eth_addr = eth_eth_addr,
+ .eui64 = eth_eui64,
.ll_proto = htons ( ARPHRD_ETHER ), /* "encapsulated Ethernet" */
.hw_addr_len = ETH_ALEN,
.ll_addr_len = ETH_ALEN,
diff --git a/src/net/ethernet.c b/src/net/ethernet.c
index 4fd2ab6e..013b2d76 100644
--- a/src/net/ethernet.c
+++ b/src/net/ethernet.c
@@ -165,6 +165,21 @@ int eth_eth_addr ( const void *ll_addr, void *eth_addr ) {
return 0;
}
+/**
+ * Generate EUI-64 address
+ *
+ * @v ll_addr Link-layer address
+ * @v eui64 EUI-64 address to fill in
+ * @ret rc Return status code
+ */
+int eth_eui64 ( const void *ll_addr, void *eui64 ) {
+
+ memcpy ( ( eui64 + 0 ), ( ll_addr + 0 ), 3 );
+ memcpy ( ( eui64 + 5 ), ( ll_addr + 3 ), 3 );
+ *( ( uint16_t * ) ( eui64 + 3 ) ) = htons ( 0xfffe );
+ return 0;
+}
+
/** Ethernet protocol */
struct ll_protocol ethernet_protocol __ll_protocol = {
.name = "Ethernet",
@@ -178,6 +193,7 @@ struct ll_protocol ethernet_protocol __ll_protocol = {
.ntoa = eth_ntoa,
.mc_hash = eth_mc_hash,
.eth_addr = eth_eth_addr,
+ .eui64 = eth_eui64,
};
/**