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-rw-r--r--include/linux/etherdevice.h25
1 files changed, 19 insertions, 6 deletions
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 3d406e0ede6d..d426336d92d9 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -124,17 +124,30 @@ static inline bool is_valid_ether_addr(const u8 *addr)
124} 124}
125 125
126/** 126/**
127 * random_ether_addr - Generate software assigned random Ethernet address 127 * eth_random_addr - Generate software assigned random Ethernet address
128 * @addr: Pointer to a six-byte array containing the Ethernet address 128 * @addr: Pointer to a six-byte array containing the Ethernet address
129 * 129 *
130 * Generate a random Ethernet address (MAC) that is not multicast 130 * Generate a random Ethernet address (MAC) that is not multicast
131 * and has the local assigned bit set. 131 * and has the local assigned bit set.
132 */ 132 */
133static inline void random_ether_addr(u8 *addr) 133static inline void eth_random_addr(u8 *addr)
134{ 134{
135 get_random_bytes (addr, ETH_ALEN); 135 get_random_bytes(addr, ETH_ALEN);
136 addr [0] &= 0xfe; /* clear multicast bit */ 136 addr[0] &= 0xfe; /* clear multicast bit */
137 addr [0] |= 0x02; /* set local assignment bit (IEEE802) */ 137 addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
138}
139
140#define random_ether_addr(addr) eth_random_addr(addr)
141
142/**
143 * eth_broadcast_addr - Assign broadcast address
144 * @addr: Pointer to a six-byte array containing the Ethernet address
145 *
146 * Assign the broadcast address to the given address array.
147 */
148static inline void eth_broadcast_addr(u8 *addr)
149{
150 memset(addr, 0xff, ETH_ALEN);
138} 151}
139 152
140/** 153/**
@@ -149,7 +162,7 @@ static inline void random_ether_addr(u8 *addr)
149static inline void eth_hw_addr_random(struct net_device *dev) 162static inline void eth_hw_addr_random(struct net_device *dev)
150{ 163{
151 dev->addr_assign_type |= NET_ADDR_RANDOM; 164 dev->addr_assign_type |= NET_ADDR_RANDOM;
152 random_ether_addr(dev->dev_addr); 165 eth_random_addr(dev->dev_addr);
153} 166}
154 167
155/** 168/**