[dpdk-dev] [PATCH v2 1/3] net/ifcvf: add multiqueue configuration

Andy Pei andy.pei at intel.com
Tue Sep 17 11:09:46 CEST 2019


This is in preparation for multiqueue enabling for vDPA devices.

Signed-off-by: Xiaolong Ye <xiaolong.ye at intel.com>
Signed-off-by: Andy Pei <andy.pei at intel.com>
---
 drivers/net/ifc/base/ifcvf.c | 1 +
 drivers/net/ifc/base/ifcvf.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/ifc/base/ifcvf.c b/drivers/net/ifc/base/ifcvf.c
index 3c0b2df..6462281 100644
--- a/drivers/net/ifc/base/ifcvf.c
+++ b/drivers/net/ifc/base/ifcvf.c
@@ -82,6 +82,7 @@
 	}
 
 	hw->lm_cfg = hw->mem_resource[4].addr;
+	hw->mq_cfg = hw->mem_resource[4].addr + IFCVF_MQ_OFFSET;
 
 	if (hw->common_cfg == NULL || hw->notify_base == NULL ||
 			hw->isr == NULL || hw->dev_cfg == NULL) {
diff --git a/drivers/net/ifc/base/ifcvf.h b/drivers/net/ifc/base/ifcvf.h
index 9be2770..a4cb1a4 100644
--- a/drivers/net/ifc/base/ifcvf.h
+++ b/drivers/net/ifc/base/ifcvf.h
@@ -38,6 +38,7 @@
 
 #define IFCVF_LM_CFG_SIZE		0x40
 #define IFCVF_LM_RING_STATE_OFFSET	0x20
+#define IFCVF_MQ_OFFSET			0x28
 
 #define IFCVF_LM_LOGGING_CTRL		0x0
 
@@ -127,6 +128,7 @@ struct ifcvf_hw {
 	u16    *notify_base;
 	u16    *notify_addr[IFCVF_MAX_QUEUES * 2];
 	u8     *lm_cfg;
+	u8     *mq_cfg;
 	struct vring_info vring[IFCVF_MAX_QUEUES * 2];
 	u8 nr_vring;
 	struct ifcvf_pci_mem_resource mem_resource[IFCVF_PCI_MAX_RESOURCE];
-- 
1.8.3.1



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