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[DHCP] Fix RFC4390 client identifier constructions.

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RFC 4390 provides for the DHCP client identifier to contain the link-layer
hardware type and MAC address when the MAC address exceeds 16 bytes.
However, the hardware type field is only 8 bits; we were assuming 16 bits.
This commit is contained in:
Michael Brown
2008-02-27 16:55:46 +00:00
parent bc3f0a25c6
commit 844828cb15
1 changed files with 1 additions and 1 deletions
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2
src/net/udp/dhcp.c
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@@ -610,7 +610,7 @@ int create_dhcp_request ( struct net_device *netdev, int msgtype,
/* Add DHCP client identifier. Required for Infiniband, and /* Add DHCP client identifier. Required for Infiniband, and
* doesn't hurt other link layers. * doesn't hurt other link layers.
*/ */
client_id.ll_proto = netdev->ll_protocol->ll_proto; client_id.ll_proto = ntohs ( netdev->ll_protocol->ll_proto );
ll_addr_len = netdev->ll_protocol->ll_addr_len; ll_addr_len = netdev->ll_protocol->ll_addr_len;
assert ( ll_addr_len <= sizeof ( client_id.ll_addr ) ); assert ( ll_addr_len <= sizeof ( client_id.ll_addr ) );
memcpy ( client_id.ll_addr, netdev->ll_addr, ll_addr_len ); memcpy ( client_id.ll_addr, netdev->ll_addr, ll_addr_len );