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Prepare for adding a metadata queue to IPoIB

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This commit is contained in:
Michael Brown
2007-09-17 06:12:33 +01:00
parent 440e7926fb
commit f6f1f2b7bb
2 changed files with 122 additions and 140 deletions
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91
src/net/infiniband.c
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@@ -150,6 +150,8 @@ void ib_destroy_qp ( struct ib_device *ibdev,
DBGC ( ibdev, "IBDEV %p destroying queue pair %#lx\n",
ibdev, qp->qpn );
ibdev->op->destroy_qp ( ibdev, qp );
list_del ( &qp->send.list );
list_del ( &qp->recv.list );
free ( qp );
}
@@ -198,92 +200,3 @@ struct ib_device * alloc_ibdev ( size_t priv_size ) {
void free_ibdev ( struct ib_device *ibdev ) {
free ( ibdev );
}
#if 0
/** Infiniband broadcast MAC address */
static uint8_t ib_broadcast[IB_ALEN] = { 0xff, };
/**
* Transmit Infiniband packet
*
* @v iobuf I/O buffer
* @v netdev Network device
* @v net_protocol Network-layer protocol
* @v ll_dest Link-layer destination address
*
* Prepends the Infiniband link-layer header and transmits the packet.
*/
static int ib_tx ( struct io_buffer *iobuf, struct net_device *netdev,
struct net_protocol *net_protocol, const void *ll_dest ) {
struct ibhdr *ibhdr = iob_push ( iobuf, sizeof ( *ibhdr ) );
/* Build Infiniband header */
ibhdr->proto = net_protocol->net_proto;
ibhdr->reserved = 0;
( void ) ll_dest;
/* Hand off to network device */
return netdev_tx ( netdev, iobuf );
}
/**
* Process received Infiniband packet
*
* @v iobuf I/O buffer
* @v netdev Network device
*
* Strips off the Infiniband link-layer header and passes up to the
* network-layer protocol.
*/
static int ib_rx ( struct io_buffer *iobuf, struct net_device *netdev ) {
struct ibhdr *ibhdr = iobuf->data;
/* Sanity check */
if ( iob_len ( iobuf ) < sizeof ( *ibhdr ) ) {
DBG ( "Infiniband packet too short (%d bytes)\n",
iob_len ( iobuf ) );
free_iob ( iobuf );
return -EINVAL;
}
/* Strip off Infiniband header */
iob_pull ( iobuf, sizeof ( *ibhdr ) );
/* Hand off to network-layer protocol */
return net_rx ( iobuf, netdev, ibhdr->proto, NULL );
}
/**
* Transcribe Infiniband address
*
* @v ll_addr Link-layer address
* @ret string Link-layer address in human-readable format
*/
const char * ib_ntoa ( const void *ll_addr ) {
static char buf[61];
const uint8_t *ib_addr = ll_addr;
unsigned int i;
char *p = buf;
for ( i = 0 ; i < IB_ALEN ; i++ ) {
p += sprintf ( p, ":%02x", ib_addr[i] );
}
return ( buf + 1 );
}
/** Infiniband protocol */
struct ll_protocol infiniband_protocol __ll_protocol = {
.name = "Infiniband",
.ll_proto = htons ( ARPHRD_INFINIBAND ),
.ll_addr_len = IB_ALEN,
.ll_header_len = IB_HLEN,
.ll_broadcast = ib_broadcast,
.tx = ib_tx,
.rx = ib_rx,
.ntoa = ib_ntoa,
};
#endif