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[infiniband] Allow for the creation of multicast groups 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/46/head
Michael Brown 2016-03-08 10:34:27 +00:00
parent e62e52b2b9
commit 5a7fd2cc90
3 changed files with 18 additions and 11 deletions
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2
src/drivers/net/ipoib.c
View File

@ -770,7 +770,7 @@ static int ipoib_join_broadcast_group ( struct ipoib_device *ipoib ) {
/* Join multicast group */
if ( ( rc = ib_mcast_join ( ipoib->ibdev, ipoib->qp,
&ipoib->broadcast.membership,
&ipoib->broadcast.av,
&ipoib->broadcast.av, 0,
ipoib_join_complete ) ) != 0 ) {
DBGC ( ipoib, "IPoIB %p could not join broadcast group: %s\n",
ipoib, strerror ( rc ) );

2
src/include/ipxe/ib_mcast.h
View File

@ -33,7 +33,7 @@ struct ib_mc_membership {
extern int ib_mcast_join ( struct ib_device *ibdev, struct ib_queue_pair *qp,
struct ib_mc_membership *membership,
struct ib_address_vector *av,
struct ib_address_vector *av, unsigned int mask,
void ( * joined ) ( struct ib_mc_membership *memb,
int rc ) );

25
src/net/infiniband/ib_mcast.c
View File

@ -43,25 +43,32 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
*
* @v ibdev Infiniband device
* @v av Address vector
* @v join Join (rather than leave) group
* @v method Method (IB_MGMT_METHOD_SET or IB_MGMT_METHOD_DELETE)
* @v mask Additional component mask
* @v mad MAD to fill in
*/
static void ib_mcast_mad ( struct ib_device *ibdev,
struct ib_address_vector *av,
int join, union ib_mad *mad ) {
unsigned int method, unsigned int mask,
union ib_mad *mad ) {
struct ib_mad_sa *sa = &mad->sa;
/* Construct multicast membership record request */
memset ( sa, 0, sizeof ( *sa ) );
sa->mad_hdr.mgmt_class = IB_MGMT_CLASS_SUBN_ADM;
sa->mad_hdr.class_version = IB_SA_CLASS_VERSION;
sa->mad_hdr.method =
( join ? IB_MGMT_METHOD_SET : IB_MGMT_METHOD_DELETE );
sa->mad_hdr.method = method;
sa->mad_hdr.attr_id = htons ( IB_SA_ATTR_MC_MEMBER_REC );
sa->sa_hdr.comp_mask[1] =
htonl ( IB_SA_MCMEMBER_REC_MGID | IB_SA_MCMEMBER_REC_PORT_GID |
IB_SA_MCMEMBER_REC_JOIN_STATE );
sa->sa_data.mc_member_record.scope__join_state = 1;
IB_SA_MCMEMBER_REC_JOIN_STATE | mask );
sa->sa_data.mc_member_record.qkey = htonl ( av->qkey );
sa->sa_data.mc_member_record.pkey =
htons ( ibdev->pkey | IB_PKEY_FULL );
sa->sa_data.mc_member_record.rate_selector__rate = av->rate;
sa->sa_data.mc_member_record.sl__flow_label__hop_limit =
htonl ( av->sl << 28 );
sa->sa_data.mc_member_record.scope__join_state = 0x01;
memcpy ( &sa->sa_data.mc_member_record.mgid, &av->gid,
sizeof ( sa->sa_data.mc_member_record.mgid ) );
memcpy ( &sa->sa_data.mc_member_record.port_gid, &ibdev->gid,
@ -144,7 +151,7 @@ static struct ib_mad_transaction_operations ib_mcast_op = {
*/
int ib_mcast_join ( struct ib_device *ibdev, struct ib_queue_pair *qp,
struct ib_mc_membership *membership,
struct ib_address_vector *av,
struct ib_address_vector *av, unsigned int mask,
void ( * complete ) ( struct ib_mc_membership *membership,
int rc ) ) {
union ib_mad mad;
@ -171,7 +178,7 @@ int ib_mcast_join ( struct ib_device *ibdev, struct ib_queue_pair *qp,
membership->attached = 1;
/* Initiate multicast membership join */
ib_mcast_mad ( ibdev, av, 1, &mad );
ib_mcast_mad ( ibdev, av, IB_MGMT_METHOD_SET, mask, &mad );
membership->madx = ib_create_madx ( ibdev, ibdev->gsi, &mad, NULL,
&ib_mcast_op );
if ( ! membership->madx ) {
@ -226,7 +233,7 @@ void ib_mcast_leave ( struct ib_device *ibdev, struct ib_queue_pair *qp,
}
/* Send a single group leave MAD */
ib_mcast_mad ( ibdev, av, 0, &mad );
ib_mcast_mad ( ibdev, av, IB_MGMT_METHOD_DELETE, 0, &mad );
if ( ( rc = ib_mi_send ( ibdev, ibdev->gsi, &mad, NULL ) ) != 0 ) {
DBGC ( ibdev, "IBDEV %s QPN %#lx could not send leave request: "
"%s\n", ibdev->name, qp->qpn, strerror ( rc ) );