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[2603:8081:140c:1a00:284:9a3c:f8a:4ac7]) by smtp.gmail.com with ESMTPSA id 39sm3199152otg.36.2021.07.18.14.27.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Jul 2021 14:27:40 -0700 (PDT) From: Bob Pearson To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH for-next v2 5/5] RDMA/rxe: Convert kernel UD post send to use ah_num Date: Sun, 18 Jul 2021 16:27:04 -0500 Message-Id: <20210718212703.21471-6-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210718212703.21471-1-rpearsonhpe@gmail.com> References: <20210718212703.21471-1-rpearsonhpe@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Modify ib_post_send for kernel UD sends to put the AH index into the WQE instead of the address vector. Signed-off-by: Bob Pearson --- drivers/infiniband/sw/rxe/rxe_verbs.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 1cc12c913e39..5d63e276306c 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -558,8 +558,11 @@ static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr, if (qp_type(qp) == IB_QPT_UD || qp_type(qp) == IB_QPT_SMI || qp_type(qp) == IB_QPT_GSI) { + struct ib_ah *ibah = ud_wr(ibwr)->ah; + wr->wr.ud.remote_qpn = ud_wr(ibwr)->remote_qpn; wr->wr.ud.remote_qkey = ud_wr(ibwr)->remote_qkey; + wr->wr.ud.ah_num = to_rah(ibah)->ah_num; if (qp_type(qp) == IB_QPT_GSI) wr->wr.ud.pkey_index = ud_wr(ibwr)->pkey_index; if (wr->opcode == IB_WR_SEND_WITH_IMM) @@ -631,12 +634,6 @@ static void init_send_wqe(struct rxe_qp *qp, const struct ib_send_wr *ibwr, return; } - if (qp_type(qp) == IB_QPT_UD || - qp_type(qp) == IB_QPT_SMI || - qp_type(qp) == IB_QPT_GSI) - memcpy(&wqe->wr.wr.ud.av, &to_rah(ud_wr(ibwr)->ah)->av, - sizeof(struct rxe_av)); - if (unlikely(ibwr->send_flags & IB_SEND_INLINE)) copy_inline_data_to_wqe(wqe, ibwr); else -- 2.30.2