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[hermon] Work around hardware stripping of VLAN tags

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2010-12-01 18:51:29 +00:00
parent 5273c2748c
commit f14a5045d7
2 changed files with 21 additions and 3 deletions
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20
src/drivers/infiniband/hermon.c
View File

@ -39,6 +39,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <ipxe/if_ether.h>
#include <ipxe/ethernet.h>
#include <ipxe/fcoe.h>
#include <ipxe/vlan.h>
#include "hermon.h"
/**
@ -1648,6 +1649,7 @@ static int hermon_complete ( struct ib_device *ibdev,
len = MLX_GET ( &cqe->normal, byte_cnt );
assert ( len <= iob_tailroom ( iobuf ) );
iob_put ( iobuf, len );
memset ( &recv_av, 0, sizeof ( recv_av ) );
switch ( qp->type ) {
case IB_QPT_SMI:
case IB_QPT_GSI:
@ -1657,7 +1659,6 @@ static int hermon_complete ( struct ib_device *ibdev,
iob_pull ( iobuf, sizeof ( *grh ) );
/* Construct address vector */
av = &recv_av;
memset ( av, 0, sizeof ( *av ) );
av->qpn = MLX_GET ( &cqe->normal, srq_rqpn );
av->lid = MLX_GET ( &cqe->normal, slid_smac47_32 );
av->sl = MLX_GET ( &cqe->normal, sl );
@ -1668,7 +1669,10 @@ static int hermon_complete ( struct ib_device *ibdev,
av = &qp->av;
break;
case IB_QPT_ETH:
av = NULL;
/* Construct address vector */
av = &recv_av;
av->vlan_present = MLX_GET ( &cqe->normal, vlan );
av->vlan = MLX_GET ( &cqe->normal, vid );
break;
default:
assert ( 0 );
@ -2275,9 +2279,19 @@ static void hermon_eth_complete_send ( struct ib_device *ibdev __unused,
*/
static void hermon_eth_complete_recv ( struct ib_device *ibdev __unused,
struct ib_queue_pair *qp,
struct ib_address_vector *av __unused,
struct ib_address_vector *av,
struct io_buffer *iobuf, int rc ) {
struct net_device *netdev = ib_qp_get_ownerdata ( qp );
struct net_device *vlan;
/* Find VLAN device, if applicable */
if ( av->vlan_present ) {
if ( ( vlan = vlan_find ( netdev, av->vlan ) ) != NULL ) {
netdev = vlan;
} else if ( rc == 0 ) {
rc = -ENODEV;
}
}
/* Hand off to network layer */
if ( rc == 0 ) {

4
src/include/ipxe/infiniband.h
View File

@ -89,6 +89,10 @@ struct ib_address_vector {
unsigned int gid_present;
/** GID, if present */
union ib_gid gid;
/** VLAN is present */
unsigned int vlan_present;
/** VLAN, if present */
unsigned int vlan;
};
/** An Infiniband Work Queue */