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yaml
---
r: 12241
b: refs/heads/master
c: c2da8ac
h: refs/heads/master
i:
  12239: 1a4a192
v: v3
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Stephen Hemminger authored and Arnaldo Carvalho de Melo committed Nov 3, 2005
1 parent 950e2ea commit 7649371
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Showing 3 changed files with 19 additions and 13 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 2407534f8be8015d585104bcc4374870b6b70fe7
refs/heads/master: c2da8acaf488b8651edfb04ebf3ab089f3a7830f
6 changes: 3 additions & 3 deletions trunk/Documentation/DocBook/kernel-api.tmpl
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Expand Up @@ -239,9 +239,9 @@ X!Ilib/string.c
<title>Network device support</title>
<sect1><title>Driver Support</title>
!Enet/core/dev.c
</sect1>
<sect1><title>8390 Based Network Cards</title>
!Edrivers/net/8390.c
!Enet/ethernet/eth.c
!Einclude/linux/etherdevice.h
!Enet/core/wireless.c
</sect1>
<sect1><title>Synchronous PPP</title>
!Edrivers/net/wan/syncppp.c
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24 changes: 15 additions & 9 deletions trunk/include/linux/etherdevice.h
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Expand Up @@ -48,18 +48,18 @@ static inline void eth_copy_and_sum (struct sk_buff *dest,
}

/**
* is_zero_ether_addr - Determine if give Ethernet address is all
* zeros.
* is_zero_ether_addr - Determine if give Ethernet address is all zeros.
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is all zeroes.
*/
static inline int is_zero_ether_addr(const u8 *addr)
{
return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
}

/**
* is_multicast_ether_addr - Determine if the given Ethernet address is a
* multicast address.
*
* is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is a multicast address.
Expand All @@ -69,6 +69,12 @@ static inline int is_multicast_ether_addr(const u8 *addr)
return ((addr[0] != 0xff) && (0x01 & addr[0]));
}

/**
* is_broadcast_ether_addr - Determine if the Ethernet address is broadcast
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is the broadcast address.
*/
static inline int is_broadcast_ether_addr(const u8 *addr)
{
return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff;
Expand Down Expand Up @@ -107,14 +113,14 @@ static inline void random_ether_addr(u8 *addr)
/**
* compare_ether_addr - Compare two Ethernet addresses
* @addr1: Pointer to a six-byte array containing the Ethernet address
* @addr2 Pointer other six-byte array containing the Ethernet address
* @addr2: Pointer other six-byte array containing the Ethernet address
*
* Compare two ethernet addresses, returns 0 if equal
*/
static inline unsigned compare_ether_addr(const u8 *_a, const u8 *_b)
static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2)
{
const u16 *a = (const u16 *) _a;
const u16 *b = (const u16 *) _b;
const u16 *a = (const u16 *) addr1;
const u16 *b = (const u16 *) addr2;

BUILD_BUG_ON(ETH_ALEN != 6);
return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0;
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