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[arp] Maintain an ARP transmission queue

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Allow packet transmission to be deferred pending successful ARP
resolution.  This avoids the time spent waiting for a higher-level
protocol (e.g. TCP or TFTP) to attempt retransmission.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2012-03-02 20:12:10 +00:00
parent 6324bd9389
commit d620606d3e
3 changed files with 361 additions and 159 deletions
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8
src/include/ipxe/arp.h
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@@ -35,10 +35,8 @@ struct arp_net_protocol {
extern struct net_protocol arp_protocol __net_protocol;
extern int arp_resolve ( struct net_device *netdev,
struct net_protocol *net_protocol,
const void *dest_net_addr,
const void *source_net_addr,
void *dest_ll_addr );
extern int arp_tx ( struct io_buffer *iobuf, struct net_device *netdev,
struct net_protocol *net_protocol, const void *net_dest,
const void *net_source, const void *ll_source );
#endif /* _IPXE_ARP_H */