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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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8
src/drivers/net/ipoib.c
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@@ -238,13 +238,15 @@ ipoib_cache_peer ( const struct ib_gid *gid, unsigned long qpn ) {
/**
* Add IPoIB link-layer header
*
* @v netdev Network device
* @v iobuf I/O buffer
* @v ll_dest Link-layer destination address
* @v ll_source Source link-layer address
* @v net_proto Network-layer protocol, in network-byte order
* @ret rc Return status code
*/
static int ipoib_push ( struct io_buffer *iobuf, const void *ll_dest,
static int ipoib_push ( struct net_device *netdev __unused,
struct io_buffer *iobuf, const void *ll_dest,
const void *ll_source __unused, uint16_t net_proto ) {
struct ipoib_hdr *ipoib_hdr =
iob_push ( iobuf, sizeof ( *ipoib_hdr ) );
@@ -268,13 +270,15 @@ static int ipoib_push ( struct io_buffer *iobuf, const void *ll_dest,
/**
* Remove IPoIB link-layer header
*
* @v netdev Network device
* @v iobuf I/O buffer
* @ret ll_dest Link-layer destination address
* @ret ll_source Source link-layer address
* @ret net_proto Network-layer protocol, in network-byte order
* @ret rc Return status code
*/
static int ipoib_pull ( struct io_buffer *iobuf, const void **ll_dest,
static int ipoib_pull ( struct net_device *netdev __unused,
struct io_buffer *iobuf, const void **ll_dest,
const void **ll_source, uint16_t *net_proto ) {
struct ipoib_hdr *ipoib_hdr = iobuf->data;
struct ipoib_peer *dest;