IB/hfi1: Rename num_vnic_contexts as num_netdev_contexts

Rename num_vnic_contexts as num_ndetdev_contexts since VNIC and ipoib
will share the same set of receive contexts.

Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Mike Marciniszyn <[email protected]>
Reviewed-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Sadanand Warrier <[email protected]>
Signed-off-by: Grzegorz Andrejczuk <[email protected]>
Signed-off-by: Kaike Wan <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>

Author: grzegorz-andrejczuk

drivers/infiniband/hw/hfi1/chip.c

@@ -13347,12 +13347,12 @@ static int set_up_interrupts(struct hfi1_devdata *dd)
  *                             in array of contexts
  *	freectxts  - number of free user contexts
  *	num_send_contexts - number of PIO send contexts being used
- *	num_vnic_contexts - number of contexts reserved for VNIC
+ *	num_netdev_contexts - number of contexts reserved for netdev
  */
 static int set_up_context_variables(struct hfi1_devdata *dd)
 {
 	unsigned long num_kernel_contexts;
-	u16 num_vnic_contexts = HFI1_NUM_VNIC_CTXT;
+	u16 num_netdev_contexts = HFI1_NUM_VNIC_CTXT;
 	int total_contexts;
 	int ret;
 	unsigned ngroups;
@@ -13391,11 +13391,11 @@ static int set_up_context_variables(struct hfi1_devdata *dd)
 	}
 
 	/* Accommodate VNIC contexts if possible */
-	if ((num_kernel_contexts + num_vnic_contexts) > rcv_contexts) {
+	if ((num_kernel_contexts + num_netdev_contexts) > rcv_contexts) {
 		dd_dev_err(dd, "No receive contexts available for VNIC\n");
-		num_vnic_contexts = 0;
+		num_netdev_contexts = 0;
 	}
-	total_contexts = num_kernel_contexts + num_vnic_contexts;
+	total_contexts = num_kernel_contexts + num_netdev_contexts;
 
 	/*
 	 * User contexts:
@@ -13422,15 +13422,15 @@ static int set_up_context_variables(struct hfi1_devdata *dd)
 	 * The RMT entries are currently allocated as shown below:
 	 * 1. QOS (0 to 128 entries);
 	 * 2. FECN (num_kernel_context - 1 + num_user_contexts +
-	 *    num_vnic_contexts);
-	 * 3. VNIC (num_vnic_contexts).
-	 * It should be noted that FECN oversubscribe num_vnic_contexts
-	 * entries of RMT because both VNIC and PSM could allocate any receive
+	 *    num_netdev_contexts);
+	 * 3. netdev (num_netdev_contexts).
+	 * It should be noted that FECN oversubscribe num_netdev_contexts
+	 * entries of RMT because both netdev and PSM could allocate any receive
 	 * context between dd->first_dyn_alloc_text and dd->num_rcv_contexts,
 	 * and PSM FECN must reserve an RMT entry for each possible PSM receive
 	 * context.
 	 */
-	rmt_count = qos_rmt_entries(dd, NULL, NULL) + (num_vnic_contexts * 2);
+	rmt_count = qos_rmt_entries(dd, NULL, NULL) + (num_netdev_contexts * 2);
 	if (HFI1_CAP_IS_KSET(TID_RDMA))
 		rmt_count += num_kernel_contexts - 1;
 	if (rmt_count + n_usr_ctxts > NUM_MAP_ENTRIES) {
@@ -13449,15 +13449,15 @@ static int set_up_context_variables(struct hfi1_devdata *dd)
 	dd->num_rcv_contexts = total_contexts;
 	dd->n_krcv_queues = num_kernel_contexts;
 	dd->first_dyn_alloc_ctxt = num_kernel_contexts;
-	dd->num_vnic_contexts = num_vnic_contexts;
+	dd->num_netdev_contexts = num_netdev_contexts;
 	dd->num_user_contexts = n_usr_ctxts;
 	dd->freectxts = n_usr_ctxts;
 	dd_dev_info(dd,
 		    "rcv contexts: chip %d, used %d (kernel %d, vnic %u, user %u)\n",
 		    rcv_contexts,
 		    (int)dd->num_rcv_contexts,
 		    (int)dd->n_krcv_queues,
-		    dd->num_vnic_contexts,
+		    dd->num_netdev_contexts,
 		    dd->num_user_contexts);
 
 	/*

drivers/infiniband/hw/hfi1/hfi.h

@@ -1167,8 +1167,8 @@ struct hfi1_devdata {
 	u64 z_send_schedule;
 
 	u64 __percpu *send_schedule;
-	/* number of reserved contexts for VNIC usage */
-	u16 num_vnic_contexts;
+	/* number of reserved contexts for netdev usage */
+	u16 num_netdev_contexts;
 	/* number of receive contexts in use by the driver */
 	u32 num_rcv_contexts;
 	/* number of pio send contexts in use by the driver */

drivers/infiniband/hw/hfi1/msix.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 /*
- * Copyright(c) 2018 Intel Corporation.
+ * Copyright(c) 2018 - 2020 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
@@ -69,7 +69,7 @@ int msix_initialize(struct hfi1_devdata *dd)
 	 *	one for each VNIC context
 	 *      ...any new IRQs should be added here.
 	 */
-	total = 1 + dd->num_sdma + dd->n_krcv_queues + dd->num_vnic_contexts;
+	total = 1 + dd->num_sdma + dd->n_krcv_queues + dd->num_netdev_contexts;
 
 	if (total >= CCE_NUM_MSIX_VECTORS)
 		return -EINVAL;

drivers/infiniband/hw/hfi1/vnic_main.c

@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2017 - 2018 Intel Corporation.
+ * Copyright(c) 2017 - 2020 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
@@ -804,7 +804,7 @@ struct net_device *hfi1_vnic_alloc_rn(struct ib_device *device,
 	struct rdma_netdev *rn;
 	int i, size, rc;
 
-	if (!dd->num_vnic_contexts)
+	if (!dd->num_netdev_contexts)
 		return ERR_PTR(-ENOMEM);
 
 	if (!port_num || (port_num > dd->num_pports))
@@ -815,15 +815,15 @@ struct net_device *hfi1_vnic_alloc_rn(struct ib_device *device,
 
 	size = sizeof(struct opa_vnic_rdma_netdev) + sizeof(*vinfo);
 	netdev = alloc_netdev_mqs(size, name, name_assign_type, setup,
-				  dd->num_sdma, dd->num_vnic_contexts);
+				  dd->num_sdma, dd->num_netdev_contexts);
 	if (!netdev)
 		return ERR_PTR(-ENOMEM);
 
 	rn = netdev_priv(netdev);
 	vinfo = opa_vnic_dev_priv(netdev);
 	vinfo->dd = dd;
 	vinfo->num_tx_q = dd->num_sdma;
-	vinfo->num_rx_q = dd->num_vnic_contexts;
+	vinfo->num_rx_q = dd->num_netdev_contexts;
 	vinfo->netdev = netdev;
 	rn->free_rdma_netdev = hfi1_vnic_free_rn;
 	rn->set_id = hfi1_vnic_set_vesw_id;