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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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7
src/interface/efi/efi_snp.c
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@@ -594,7 +594,8 @@ efi_snp_transmit ( EFI_SIMPLE_NETWORK_PROTOCOL *snp,
/* Create link-layer header, if specified */
if ( ll_header_len ) {
iob_pull ( iobuf, ll_header_len );
if ( ( rc = ll_protocol->push ( iobuf, ll_dest, ll_src,
if ( ( rc = ll_protocol->push ( snpdev->netdev,
iobuf, ll_dest, ll_src,
htons ( *net_proto ) )) != 0 ){
DBGC ( snpdev, "SNPDEV %p TX could not construct "
"header: %s\n", snpdev, strerror ( rc ) );
@@ -672,8 +673,8 @@ efi_snp_receive ( EFI_SIMPLE_NETWORK_PROTOCOL *snp,
*len = iob_len ( iobuf );
/* Attempt to decode link-layer header */
if ( ( rc = ll_protocol->pull ( iobuf, &iob_ll_dest, &iob_ll_src,
&iob_net_proto ) ) != 0 ) {
if ( ( rc = ll_protocol->pull ( snpdev->netdev, iobuf, &iob_ll_dest,
&iob_ll_src, &iob_net_proto ) ) != 0 ){
DBGC ( snpdev, "SNPDEV %p could not parse header: %s\n",
snpdev, strerror ( rc ) );
efirc = RC_TO_EFIRC ( rc );