diff mbox series

[for-next,05/13] RDMA/rxe: Add XRC ETH to rxe_hdr.h

Message ID 20210729224915.38986-6-rpearsonhpe@gmail.com (mailing list archive)
State Changes Requested
Delegated to: Jason Gunthorpe
Headers show
Series RDMA:rxe: Implement XRC for rxe | expand

Commit Message

Bob Pearson July 29, 2021, 10:49 p.m. UTC 
Extend rxe_hdr.h to support XRC ETH.

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_hdr.h | 36 +++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
diff mbox series

Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_hdr.h b/drivers/infiniband/sw/rxe/rxe_hdr.h
index d9d15c672f86..499807b11405 100644
--- a/drivers/infiniband/sw/rxe/rxe_hdr.h
+++ b/drivers/infiniband/sw/rxe/rxe_hdr.h
@@ -907,11 +907,47 @@  static inline void ieth_set_rkey(struct rxe_pkt_info *pkt, u32 rkey)
 		rxe_opcode[pkt->opcode].offset[RXE_IETH], rkey);
 }
 
+/******************************************************************************
+ * XRC Extended Transport Header
+ ******************************************************************************/
+struct rxe_xrceth {
+	__be32			rxrcsrq;
+};
+
+#define XRCETH_XRCSRQ_MASK	(0x00ffffff)
+
+static inline u32 __xrceth_xrcsrq(void *arg)
+{
+	struct rxe_xrceth *xrceth = arg;
+
+	return XRCETH_XRCSRQ_MASK & be32_to_cpu(xrceth->rxrcsrq);
+}
+
+static inline void __xrceth_set_xrcsrq(void *arg, u32 xrcsrq)
+{
+	struct rxe_xrceth *xrceth = arg;
+
+	xrceth->rxrcsrq = cpu_to_be32(XRCETH_XRCSRQ_MASK & xrcsrq);
+}
+
+static inline u32 xrceth_xrcsrq(struct rxe_pkt_info *pkt)
+{
+	return __xrceth_xrcsrq(pkt->hdr +
+		rxe_opcode[pkt->opcode].offset[RXE_XRCETH]);
+}
+
+static inline void xrceth_set_xrcsrq(struct rxe_pkt_info *pkt, u32 xrcsrq)
+{
+	__xrceth_set_xrcsrq(pkt->hdr +
+		rxe_opcode[pkt->opcode].offset[RXE_XRCETH], xrcsrq);
+}
+
 enum rxe_hdr_length {
 	RXE_BTH_BYTES		= sizeof(struct rxe_bth),
 	RXE_DETH_BYTES		= sizeof(struct rxe_deth),
 	RXE_IMMDT_BYTES		= sizeof(struct rxe_immdt),
 	RXE_RETH_BYTES		= sizeof(struct rxe_reth),
+	RXE_XRCETH_BYTES	= sizeof(struct rxe_xrceth),
 	RXE_AETH_BYTES		= sizeof(struct rxe_aeth),
 	RXE_ATMACK_BYTES	= sizeof(struct rxe_atmack),
 	RXE_ATMETH_BYTES	= sizeof(struct rxe_atmeth),