be2net: Add functionality to support RoCE driver
- Increase MSI-X vectors by 5 for RoCE traffic.
- Add macro to check roce support on a device.
- Add device-specific doorbell and MSI-X vector fields shared with NIC
functionality.
- Provide RoCE driver registration and deregistration functions.
- Add support functions which will be invoked on adapter add/remove
and port up/down events.
- Traverse through the list of adapters to invoke callback functions.
Signed-off-by: Parav Pandit <parav.pandit@emulex.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 9576ac0..7bb2e97 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -32,6 +32,7 @@
#include <linux/u64_stats_sync.h>
#include "be_hw.h"
+#include "be_roce.h"
#define DRV_VER "4.2.116u"
#define DRV_NAME "be2net"
@@ -102,7 +103,8 @@
#define MAX_RX_QS (MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */
#define MAX_TX_QS 8
-#define MAX_MSIX_VECTORS MAX_RSS_QS
+#define MAX_ROCE_EQS 5
+#define MAX_MSIX_VECTORS (MAX_RSS_QS + MAX_ROCE_EQS) /* RSS qs + RoCE */
#define BE_TX_BUDGET 256
#define BE_NAPI_WEIGHT 64
#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
@@ -382,6 +384,17 @@
u8 transceiver;
u8 autoneg;
u8 generation; /* BladeEngine ASIC generation */
+ u32 if_type;
+ struct {
+ u8 __iomem *base; /* Door Bell */
+ u32 size;
+ u32 total_size;
+ u64 io_addr;
+ } roce_db;
+ u32 num_msix_roce_vec;
+ struct ocrdma_dev *ocrdma_dev;
+ struct list_head entry;
+
u32 flash_status;
struct completion flash_compl;
@@ -413,6 +426,10 @@
#define lancer_chip(adapter) ((adapter->pdev->device == OC_DEVICE_ID3) || \
(adapter->pdev->device == OC_DEVICE_ID4))
+#define be_roce_supported(adapter) ((adapter->if_type == SLI_INTF_TYPE_3 || \
+ adapter->sli_family == SKYHAWK_SLI_FAMILY) && \
+ (adapter->function_mode & RDMA_ENABLED))
+
extern const struct ethtool_ops be_ethtool_ops;
#define msix_enabled(adapter) (adapter->num_msix_vec > 0)
@@ -577,10 +594,29 @@
}
}
+static inline bool be_type_2_3(struct be_adapter *adapter)
+{
+ return (adapter->if_type == SLI_INTF_TYPE_2 ||
+ adapter->if_type == SLI_INTF_TYPE_3) ? true : false;
+}
+
extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
u16 num_popped);
extern void be_link_status_update(struct be_adapter *adapter, u8 link_status);
extern void be_parse_stats(struct be_adapter *adapter);
extern int be_load_fw(struct be_adapter *adapter, u8 *func);
extern bool be_is_wol_supported(struct be_adapter *adapter);
+
+/*
+ * internal function to initialize-cleanup roce device.
+ */
+extern void be_roce_dev_add(struct be_adapter *);
+extern void be_roce_dev_remove(struct be_adapter *);
+
+/*
+ * internal function to open-close roce device during ifup-ifdown.
+ */
+extern void be_roce_dev_open(struct be_adapter *);
+extern void be_roce_dev_close(struct be_adapter *);
+
#endif /* BE_H */