[PATCH rdma-next v1 04/11] RDMA: Use GID from the ib_gid_attr during the add_gid() callback

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From: Parav Pandit <parav@xxxxxxxxxxxx>

Now that ib_gid_attr contains the GID, make use of that in the add_gid()
callback functions for the provider drivers to simplify the add_gid()
implementations.

Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
 drivers/infiniband/core/cache.c                |  2 +-
 drivers/infiniband/hw/bnxt_re/ib_verbs.c       |  5 ++---
 drivers/infiniband/hw/bnxt_re/ib_verbs.h       |  3 +--
 drivers/infiniband/hw/hns/hns_roce_device.h    |  2 +-
 drivers/infiniband/hw/hns/hns_roce_hw_v1.c     |  2 +-
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c     |  2 +-
 drivers/infiniband/hw/hns/hns_roce_main.c      |  6 ++----
 drivers/infiniband/hw/mlx4/main.c              | 12 ++++++------
 drivers/infiniband/hw/mlx5/main.c              |  5 ++---
 drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 10 +++-------
 include/rdma/ib_verbs.h                        |  3 +--
 11 files changed, 21 insertions(+), 31 deletions(-)

diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index eca74ae9dd5b..4004503cf735 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -303,7 +303,7 @@ static int add_roce_gid(struct ib_gid_table_entry *entry)
 		return -EINVAL;
 	}
 	if (rdma_cap_roce_gid_table(attr->device, attr->port_num)) {
-		ret = attr->device->add_gid(&attr->gid, attr, &entry->context);
+		ret = attr->device->add_gid(attr, &entry->context);
 		if (ret) {
 			pr_err("%s GID add failed device=%s port=%d index=%d\n",
 			       __func__, attr->device->name, attr->port_num,
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index a76e206704d4..62eb9e3346d5 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -364,8 +364,7 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context)
 	return rc;
 }
 
-int bnxt_re_add_gid(const union ib_gid *gid,
-		    const struct ib_gid_attr *attr, void **context)
+int bnxt_re_add_gid(const struct ib_gid_attr *attr, void **context)
 {
 	int rc;
 	u32 tbl_idx = 0;
@@ -377,7 +376,7 @@ int bnxt_re_add_gid(const union ib_gid *gid,
 	if ((attr->ndev) && is_vlan_dev(attr->ndev))
 		vlan_id = vlan_dev_vlan_id(attr->ndev);
 
-	rc = bnxt_qplib_add_sgid(sgid_tbl, (struct bnxt_qplib_gid *)gid,
+	rc = bnxt_qplib_add_sgid(sgid_tbl, (struct bnxt_qplib_gid *)&attr->gid,
 				 rdev->qplib_res.netdev->dev_addr,
 				 vlan_id, true, &tbl_idx);
 	if (rc == -EALREADY) {
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index 5c6414cad4af..bd04d40d897a 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -158,8 +158,7 @@ void bnxt_re_query_fw_str(struct ib_device *ibdev, char *str);
 int bnxt_re_query_pkey(struct ib_device *ibdev, u8 port_num,
 		       u16 index, u16 *pkey);
 int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context);
-int bnxt_re_add_gid(const union ib_gid *gid,
-		    const struct ib_gid_attr *attr, void **context);
+int bnxt_re_add_gid(const struct ib_gid_attr *attr, void **context);
 int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num,
 		      int index, union ib_gid *gid);
 enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 31221d506d9a..65f7b68d1777 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -736,7 +736,7 @@ struct hns_roce_hw {
 			 u16 token, int event);
 	int (*chk_mbox)(struct hns_roce_dev *hr_dev, unsigned long timeout);
 	int (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
-		       union ib_gid *gid, const struct ib_gid_attr *attr);
+		       const 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 8013d69c5ac4..235c67dfc6cb 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -1728,7 +1728,7 @@ static int hns_roce_v1_chk_mbox(struct hns_roce_dev *hr_dev,
 }
 
 static int hns_roce_v1_set_gid(struct hns_roce_dev *hr_dev, u8 port,
-			       int gid_index, union ib_gid *gid,
+			       int gid_index, const union ib_gid *gid,
 			       const struct ib_gid_attr *attr)
 {
 	u32 *p = NULL;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 0e8dad68910a..fcfb7604956c 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1308,7 +1308,7 @@ static int hns_roce_v2_chk_mbox(struct hns_roce_dev *hr_dev,
 }
 
 static int hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port,
-			       int gid_index, union ib_gid *gid,
+			       int gid_index, const union ib_gid *gid,
 			       const struct ib_gid_attr *attr)
 {
 	enum hns_roce_sgid_type sgid_type = GID_TYPE_FLAG_ROCE_V1;
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 21b901cfa2d6..24a2ea0018d9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -74,8 +74,7 @@ static int hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr)
 	return hr_dev->hw->set_mac(hr_dev, phy_port, addr);
 }
 
-static int hns_roce_add_gid(const union ib_gid *gid,
-			    const struct ib_gid_attr *attr, void **context)
+static int hns_roce_add_gid(const struct ib_gid_attr *attr, void **context)
 {
 	struct hns_roce_dev *hr_dev = to_hr_dev(attr->device);
 	u8 port = attr->port_num - 1;
@@ -87,8 +86,7 @@ static int hns_roce_add_gid(const union ib_gid *gid,
 
 	spin_lock_irqsave(&hr_dev->iboe.lock, flags);
 
-	ret = hr_dev->hw->set_gid(hr_dev, port, attr->index,
-				  (union ib_gid *)gid, attr);
+	ret = hr_dev->hw->set_gid(hr_dev, port, attr->index, &attr->gid, attr);
 
 	spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index f839bf3b1497..a10a2d2e1993 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -246,9 +246,7 @@ static int mlx4_ib_update_gids(struct gid_entry *gids,
 	return mlx4_ib_update_gids_v1(gids, ibdev, port_num);
 }
 
-static int mlx4_ib_add_gid(const union ib_gid *gid,
-			   const struct ib_gid_attr *attr,
-			   void **context)
+static int mlx4_ib_add_gid(const struct ib_gid_attr *attr, void **context)
 {
 	struct mlx4_ib_dev *ibdev = to_mdev(attr->device);
 	struct mlx4_ib_iboe *iboe = &ibdev->iboe;
@@ -271,8 +269,9 @@ static int mlx4_ib_add_gid(const union ib_gid *gid,
 	port_gid_table = &iboe->gids[attr->port_num - 1];
 	spin_lock_bh(&iboe->lock);
 	for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) {
-		if (!memcmp(&port_gid_table->gids[i].gid, gid, sizeof(*gid)) &&
-		    (port_gid_table->gids[i].gid_type == attr->gid_type))  {
+		if (!memcmp(&port_gid_table->gids[i].gid,
+			    &attr->gid, sizeof(attr->gid)) &&
+		    port_gid_table->gids[i].gid_type == attr->gid_type)  {
 			found = i;
 			break;
 		}
@@ -289,7 +288,8 @@ static int mlx4_ib_add_gid(const union ib_gid *gid,
 				ret = -ENOMEM;
 			} else {
 				*context = port_gid_table->gids[free].ctx;
-				memcpy(&port_gid_table->gids[free].gid, gid, sizeof(*gid));
+				memcpy(&port_gid_table->gids[free].gid,
+				       &attr->gid, sizeof(attr->gid));
 				port_gid_table->gids[free].gid_type = attr->gid_type;
 				port_gid_table->gids[free].ctx->real_index = free;
 				port_gid_table->gids[free].ctx->refcount = 1;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index fbb41897d099..9a47bc7ac928 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -510,12 +510,11 @@ static int set_roce_addr(struct mlx5_ib_dev *dev, u8 port_num,
 				      vlan_id, port_num);
 }
 
-static int mlx5_ib_add_gid(const union ib_gid *gid,
-			   const struct ib_gid_attr *attr,
+static int mlx5_ib_add_gid(const struct ib_gid_attr *attr,
 			   __always_unused void **context)
 {
 	return set_roce_addr(to_mdev(attr->device), attr->port_num,
-			     attr->index, gid, attr);
+			     attr->index, &attr->gid, attr);
 }
 
 static int mlx5_ib_del_gid(const struct ib_gid_attr *attr,
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
index 0be33a81bbe6..faa1be2d7727 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
@@ -62,9 +62,7 @@ static DEFINE_MUTEX(pvrdma_device_list_lock);
 static LIST_HEAD(pvrdma_device_list);
 static struct workqueue_struct *event_wq;
 
-static int pvrdma_add_gid(const union ib_gid *gid,
-			  const struct ib_gid_attr *attr,
-			  void **context);
+static int pvrdma_add_gid(const struct ib_gid_attr *attr, void **context);
 static int pvrdma_del_gid(const struct ib_gid_attr *attr, void **context);
 
 static ssize_t show_hca(struct device *device, struct device_attribute *attr,
@@ -650,13 +648,11 @@ static int pvrdma_add_gid_at_index(struct pvrdma_dev *dev,
 	return 0;
 }
 
-static int pvrdma_add_gid(const union ib_gid *gid,
-			  const struct ib_gid_attr *attr,
-			  void **context)
+static int pvrdma_add_gid(const struct ib_gid_attr *attr, void **context)
 {
 	struct pvrdma_dev *dev = to_vdev(attr->device);
 
-	return pvrdma_add_gid_at_index(dev, gid,
+	return pvrdma_add_gid_at_index(dev, &attr->gid,
 				       ib_gid_type_to_pvrdma(attr->gid_type),
 				       attr->index);
 }
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 937f16a2f414..0c06439bcf7f 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2345,8 +2345,7 @@ struct ib_device {
 	 * concurrently for different ports. This function is only called when
 	 * roce_gid_table is used.
 	 */
-	int		           (*add_gid)(const union ib_gid *gid,
-					      const struct ib_gid_attr *attr,
+	int		           (*add_gid)(const struct ib_gid_attr *attr,
 					      void **context);
 	/* When calling del_gid, the HW vendor's driver should delete the
 	 * gid of device @device at gid index gid_index of port port_num
-- 
2.14.3

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