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[netdevice] Add netdev argument to link-layer push and pull handlers

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In order to construct outgoing link-layer frames or parse incoming
ones properly, some protocols (such as 802.11) need more state than is
available in the existing variables passed to the link-layer protocol
handlers. To remedy this, add struct net_device *netdev as the first
argument to each of these functions, so that more information can be
fetched from the link layer-private part of the network device.

Updated all three call sites (netdevice.c, efi_snp.c, pxe_undi.c) and
both implementations (ethernet.c, ipoib.c) of ll_protocol to use the
new argument.

Signed-off-by: Michael Brown <mcb30@etherboot.org>
This commit is contained in:
Joshua Oreman
2009-06-15 11:37:43 -07:00
committed by Michael Brown
parent 743ebc2f4b
commit eb3ca2a36f
6 changed files with 30 additions and 17 deletions
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6
src/net/netdevice.c
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@@ -509,7 +509,7 @@ int net_tx ( struct io_buffer *iobuf, struct net_device *netdev,
netdev_poll ( netdev );
/* Add link-layer header */
if ( ( rc = ll_protocol->push ( iobuf, ll_dest, netdev->ll_addr,
if ( ( rc = ll_protocol->push ( netdev, iobuf, ll_dest, netdev->ll_addr,
net_protocol->net_proto ) ) != 0 ) {
free_iob ( iobuf );
return rc;
@@ -581,8 +581,8 @@ static void net_step ( struct process *process __unused ) {
/* Remove link-layer header */
ll_protocol = netdev->ll_protocol;
if ( ( rc = ll_protocol->pull ( iobuf, &ll_dest,
&ll_source,
if ( ( rc = ll_protocol->pull ( netdev, iobuf,
&ll_dest, &ll_source,
&net_proto ) ) != 0 ) {
free_iob ( iobuf );
continue;