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[3/3] RDMA/hns: Configure sgid type for hip08 RoCE

Message ID 1509009025-101743-4-git-send-email-xavier.huwei@huawei.com (mailing list archive)
State Accepted
Headers show

Commit Message

Wei Hu (Xavier) Oct. 26, 2017, 9:10 a.m. UTC
The hardware vendors need to generate RoCEv1 or RoCEv2
packet according to the sgid type configured.

Besides, update the gid table size for hip08 RoCE
device.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_device.h |  4 ++--
 drivers/infiniband/hw/hns/hns_roce_hw_v1.c  |  7 +++++--
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c  | 25 +++++++++++++++++++++----
 drivers/infiniband/hw/hns/hns_roce_hw_v2.h  |  7 +++++++
 drivers/infiniband/hw/hns/hns_roce_main.c   | 11 +++++++----
 5 files changed, 42 insertions(+), 12 deletions(-)
diff mbox

Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index ba3bb36..c4a28a0 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -586,8 +586,8 @@  struct hns_roce_hw {
 			 u64 out_param, u32 in_modifier, u8 op_modifier, u16 op,
 			 u16 token, int event);
 	int (*chk_mbox)(struct hns_roce_dev *hr_dev, unsigned long timeout);
-	void (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
-			union ib_gid *gid);
+	int (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
+		       union ib_gid *gid, const struct ib_gid_attr *attr);
 	int (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr);
 	void (*set_mtu)(struct hns_roce_dev *hr_dev, u8 phy_port,
 			enum ib_mtu mtu);
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 00cbfc9..af27168 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -1703,8 +1703,9 @@  static int hns_roce_v1_chk_mbox(struct hns_roce_dev *hr_dev,
 	return 0;
 }
 
-static void hns_roce_v1_set_gid(struct hns_roce_dev *hr_dev, u8 port,
-				int gid_index, union ib_gid *gid)
+static int hns_roce_v1_set_gid(struct hns_roce_dev *hr_dev, u8 port,
+			       int gid_index, union ib_gid *gid,
+			       const struct ib_gid_attr *attr)
 {
 	u32 *p = NULL;
 	u8 gid_idx = 0;
@@ -1726,6 +1727,8 @@  static void hns_roce_v1_set_gid(struct hns_roce_dev *hr_dev, u8 port,
 	p = (u32 *)&gid->raw[0xc];
 	roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_H_0_REG +
 		       (HNS_ROCE_V1_GID_NUM * gid_idx));
+
+	return 0;
 }
 
 static int hns_roce_v1_set_mac(struct hns_roce_dev *hr_dev, u8 phy_port,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 2e17dc1..3b0cf55 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -948,7 +948,7 @@  static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
 	caps->flags		= HNS_ROCE_CAP_FLAG_REREG_MR |
 				  HNS_ROCE_CAP_FLAG_ROCE_V1_V2;
 	caps->pkey_table_len[0] = 1;
-	caps->gid_table_len[0] = 2;
+	caps->gid_table_len[0] = HNS_ROCE_V2_GID_INDEX_NUM;
 	caps->local_ca_ack_delay = 0;
 	caps->max_mtu = IB_MTU_4096;
 
@@ -1043,12 +1043,27 @@  static int hns_roce_v2_chk_mbox(struct hns_roce_dev *hr_dev,
 	return 0;
 }
 
-static void hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port,
-				int gid_index, union ib_gid *gid)
+static int hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port,
+			       int gid_index, union ib_gid *gid,
+			       const struct ib_gid_attr *attr)
 {
+	enum hns_roce_sgid_type sgid_type = GID_TYPE_FLAG_ROCE_V1;
 	u32 *p;
 	u32 val;
 
+	if (!gid || !attr)
+		return -EINVAL;
+
+	if (attr->gid_type == IB_GID_TYPE_ROCE)
+		sgid_type = GID_TYPE_FLAG_ROCE_V1;
+
+	if (attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) {
+		if (ipv6_addr_v4mapped((void *)gid))
+			sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV4;
+		else
+			sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV6;
+	}
+
 	p = (u32 *)&gid->raw[0];
 	roce_raw_write(*p, hr_dev->reg_base + ROCEE_VF_SGID_CFG0_REG +
 		       0x20 * gid_index);
@@ -1067,9 +1082,11 @@  static void hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port,
 
 	val = roce_read(hr_dev, ROCEE_VF_SGID_CFG4_REG + 0x20 * gid_index);
 	roce_set_field(val, ROCEE_VF_SGID_CFG4_SGID_TYPE_M,
-		       ROCEE_VF_SGID_CFG4_SGID_TYPE_S, 0);
+		       ROCEE_VF_SGID_CFG4_SGID_TYPE_S, sgid_type);
 
 	roce_write(hr_dev, ROCEE_VF_SGID_CFG4_REG + 0x20 * gid_index, val);
+
+	return 0;
 }
 
 static int hns_roce_v2_set_mac(struct hns_roce_dev *hr_dev, u8 phy_port,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index 6106ad1..864fcd1 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -77,6 +77,7 @@ 
 #define HNS_ROCE_MTT_HOP_NUM			1
 #define HNS_ROCE_CQE_HOP_NUM			1
 #define HNS_ROCE_PBL_HOP_NUM			2
+#define HNS_ROCE_V2_GID_INDEX_NUM		256
 
 #define HNS_ROCE_V2_TABLE_CHUNK_SIZE		(1 << 18)
 
@@ -203,6 +204,12 @@  enum hns_roce_cmd_return_status {
 	CMD_QUEUE_FULL		= 3,
 };
 
+enum hns_roce_sgid_type {
+	GID_TYPE_FLAG_ROCE_V1 = 0,
+	GID_TYPE_FLAG_ROCE_V2_IPV4,
+	GID_TYPE_FLAG_ROCE_V2_IPV6,
+};
+
 struct hns_roce_v2_cq_context {
 	u32	byte_4_pg_ceqn;
 	u32	byte_8_cqn;
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 8bb75ea..5bc8cc2 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -81,17 +81,19 @@  static int hns_roce_add_gid(struct ib_device *device, u8 port_num,
 	struct hns_roce_dev *hr_dev = to_hr_dev(device);
 	u8 port = port_num - 1;
 	unsigned long flags;
+	int ret;
 
 	if (port >= hr_dev->caps.num_ports)
 		return -EINVAL;
 
 	spin_lock_irqsave(&hr_dev->iboe.lock, flags);
 
-	hr_dev->hw->set_gid(hr_dev, port, index, (union ib_gid *)gid);
+	ret = hr_dev->hw->set_gid(hr_dev, port, index, (union ib_gid *)gid,
+				   attr);
 
 	spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
 
-	return 0;
+	return ret;
 }
 
 static int hns_roce_del_gid(struct ib_device *device, u8 port_num,
@@ -101,17 +103,18 @@  static int hns_roce_del_gid(struct ib_device *device, u8 port_num,
 	union ib_gid zgid = { {0} };
 	u8 port = port_num - 1;
 	unsigned long flags;
+	int ret;
 
 	if (port >= hr_dev->caps.num_ports)
 		return -EINVAL;
 
 	spin_lock_irqsave(&hr_dev->iboe.lock, flags);
 
-	hr_dev->hw->set_gid(hr_dev, port, index, &zgid);
+	ret = hr_dev->hw->set_gid(hr_dev, port, index, &zgid, NULL);
 
 	spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
 
-	return 0;
+	return ret;
 }
 
 static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port,