RDMA/cm: Define new RDMA port space specific to IB (2d2e9415) · Commits · 戴 / test

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:

Sean Hefty <sean.hefty@intel.com> Signed-off-by:

Roland Dreier <roland@purestorage.com>

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,
		};

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