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authorKalderon, Michal <Michal.Kalderon@cavium.com>2017-07-26 14:41:51 +0300
committerDoug Ledford <dledford@redhat.com>2017-08-18 12:25:18 -0400
commit99d195cc089e689e54bad13c9bdf88e90d158892 (patch)
treeca5be14bbde2e8958d0ebae8ac5ce8d8b20aaa83 /drivers/infiniband/hw/qedr/qedr_roce_cm.h
parentRDMA/qedr: Add additional maintainer to MAINTAINERS file (diff)
downloadlinux-dev-99d195cc089e689e54bad13c9bdf88e90d158892.tar.xz
linux-dev-99d195cc089e689e54bad13c9bdf88e90d158892.zip
RDMA/qedr: Rename the qedr_cm file as a preparation for iWARP support
The main differences between iWARP and RoCE lay in the communication management functions. These will be placed in separate files. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/qedr/qedr_roce_cm.h')
-rw-r--r--drivers/infiniband/hw/qedr/qedr_roce_cm.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qedr/qedr_roce_cm.h b/drivers/infiniband/hw/qedr/qedr_roce_cm.h
new file mode 100644
index 000000000000..a55916323ea9
--- /dev/null
+++ b/drivers/infiniband/hw/qedr/qedr_roce_cm.h
@@ -0,0 +1,60 @@
+/* QLogic qedr NIC Driver
+ * Copyright (c) 2015-2016 QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and /or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef LINUX_QEDR_CM_H_
+#define LINUX_QEDR_CM_H_
+
+#define QEDR_GSI_MAX_RECV_WR (4096)
+#define QEDR_GSI_MAX_SEND_WR (4096)
+
+#define QEDR_GSI_MAX_RECV_SGE (1) /* LL2 FW limitation */
+
+#define QEDR_ROCE_V2_UDP_SPORT (0000)
+
+static inline u32 qedr_get_ipv4_from_gid(const u8 *gid)
+{
+ return *(u32 *)(void *)&gid[12];
+}
+
+/* RDMA CM */
+int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
+int qedr_gsi_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
+ struct ib_recv_wr **bad_wr);
+int qedr_gsi_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
+ struct ib_send_wr **bad_wr);
+struct ib_qp *qedr_create_gsi_qp(struct qedr_dev *dev,
+ struct ib_qp_init_attr *attrs,
+ struct qedr_qp *qp);
+void qedr_store_gsi_qp_cq(struct qedr_dev *dev,
+ struct qedr_qp *qp, struct ib_qp_init_attr *attrs);
+int qedr_destroy_gsi_qp(struct qedr_dev *dev);
+void qedr_inc_sw_gsi_cons(struct qedr_qp_hwq_info *info);
+#endif