[PATCH 5/5] RDMA/rxe: Remove the redundant randomization for UDP source port

[yanjun.zhu@linux.dev]

From: Zhu Yanjun <yanjun.zhu@linux.dev>

Since the UDP source port is modified in rxe_modify_qp, the randomization
for UDP source port is redundant in this function. So remove it.

Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
---
 drivers/infiniband/sw/rxe/rxe_qp.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index 54b8711321c1..84d6ffe7350a 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -210,15 +210,9 @@ static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp,
 		return err;
 	qp->sk->sk->sk_user_data = qp;
 
-	/* pick a source UDP port number for this QP based on
-	 * the source QPN. this spreads traffic for different QPs
-	 * across different NIC RX queues (while using a single
-	 * flow for a given QP to maintain packet order).
-	 * the port number must be in the Dynamic Ports range
-	 * (0xc000 - 0xffff).
+	/* Source UDP port number for this QP is modified in rxe_qp_modify.
 	 */
-	qp->src_port = RXE_ROCE_V2_SPORT +
-		(hash_32_generic(qp_num(qp), 14) & 0x3fff);
+	qp->src_port		= RXE_ROCE_V2_SPORT;
 	qp->sq.max_wr		= init->cap.max_send_wr;
 
 	/* These caps are limited by rxe_qp_chk_cap() done by the caller */
-- 
2.27.0