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[netdevice] Add method for generating EUI-64 address from link-layer address

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2013-08-30 19:05:03 +01:00
parent d5f69e9388
commit 0b65c8cad6
5 changed files with 28 additions and 0 deletions
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1
src/drivers/net/ipoib.c
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@ -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,
};

1
src/include/ipxe/ethernet.h
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@ -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 */

9
src/include/ipxe/netdevice.h
View File

@ -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.

1
src/net/80211/net80211.c
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@ -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,

16
src/net/ethernet.c
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@ -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,
};
/**