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Added ARP protocol to network stack and fixed bug in grub_netbuff_alloc function.

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* include/grub/net/arp.h: added arp header, arp cache entry and related constants and functions
* net/arp.c: added functions arp_init_table, arp_find_entry, arp_resolve and arp_receive
* net/ethernet.c (send_ethernet_packet): replaced hardcoded hardware address by parameter target_addr
* net/ethernet.c (recv_ethernet_packet): added call to arp_receive when packet is of type 0x803 (ARP) and only return when packet is of type determined by parameter ethertype
* net/ip.c (send_ip_packet): added call to arp_resolve to determine hardware address of destination
* net/netbuff.c (grub_netbuff_alloc): fixed swapped parameters in call to grub_memalign
This commit is contained in:
Paulo de Rezende Pinatti committed 2010-08-13 14:42:16 -03:00
1 parent 7c978f0690
commit 10830203a0
12 files changed
+335 -56
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net/netbuff.c
+1 -1
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@@ -72,7 +72,7 @@ struct grub_net_buff *grub_netbuff_alloc ( grub_size_t len )
len = NETBUFFMINLEN;
len = ALIGN_UP (len,NETBUFF_ALIGN);
data = grub_memalign (len + sizeof (*nb),NETBUFF_ALIGN);
data = grub_memalign (NETBUFF_ALIGN, len + sizeof (*nb));
nb = (struct grub_net_buff *) ((int)data + len);
nb->head = nb->data = nb->tail = data;
nb->end = (char *) nb;