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Commit 2d2e9415 authored by Sean Hefty's avatar Sean Hefty Committed by Roland Dreier
Browse files

RDMA/cm: Define new RDMA port space specific to IB 



Add RDMA_PS_IB.  XRC QP types will use the IB port space when operating
over the RDMA CM.  For the 'IP protocol' field value, we select 0x3F,
which is listed as being for 'any local network'.

Signed-off-by: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent ef700446

drivers/infiniband/core/cma.c

+5 −0
Original line number Diff line number Diff line
@@ -81,6 +81,7 @@ static DEFINE_IDR(sdp_ps); 
static DEFINE_IDR(tcp_ps);

static DEFINE_IDR(udp_ps);

static DEFINE_IDR(ipoib_ps);

static DEFINE_IDR(ib_ps);



struct cma_device {

	struct list_head	list;
@@ -2234,6 +2235,9 @@ static int cma_get_port(struct rdma_id_private *id_priv) 
	case RDMA_PS_IPOIB:

		ps = &ipoib_ps;

		break;

	case RDMA_PS_IB:

		ps = &ib_ps;

		break;

	default:

		return -EPROTONOSUPPORT;

	}
@@ -3460,6 +3464,7 @@ static void __exit cma_cleanup(void) 
	idr_destroy(&tcp_ps);

	idr_destroy(&udp_ps);

	idr_destroy(&ipoib_ps);

	idr_destroy(&ib_ps);

}



module_init(cma_init);

include/rdma/rdma_cm.h

+1 −0
Original line number Diff line number Diff line
@@ -65,6 +65,7 @@ enum rdma_cm_event_type { 
enum rdma_port_space {

	RDMA_PS_SDP   = 0x0001,

	RDMA_PS_IPOIB = 0x0002,

	RDMA_PS_IB    = 0x013F,

	RDMA_PS_TCP   = 0x0106,

	RDMA_PS_UDP   = 0x0111,

};