/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
- * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
- * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ * Maintained by: pv-drivers@vmware.com
*
*/
/*
* Version numbers
*/
-#define VMXNET3_DRIVER_VERSION_STRING "1.4.7.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING "1.4.8.0-k"
/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
-#define VMXNET3_DRIVER_VERSION_NUM 0x01040700
+#define VMXNET3_DRIVER_VERSION_NUM 0x01040800
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */
#define VMXNET3_RSS
#endif
+#define VMXNET3_REV_3 2 /* Vmxnet3 Rev. 3 */
+#define VMXNET3_REV_2 1 /* Vmxnet3 Rev. 2 */
+#define VMXNET3_REV_1 0 /* Vmxnet3 Rev. 1 */
+
/*
* Capabilities
*/
int num_stop; /* # of times the queue is
* stopped */
int qid;
+ u16 txdata_desc_size;
} __attribute__((__aligned__(SMP_CACHE_BYTES)));
enum vmxnet3_rx_buf_type {
u64 rx_buf_alloc_failure;
};
+struct vmxnet3_rx_data_ring {
+ Vmxnet3_RxDataDesc *base;
+ dma_addr_t basePA;
+ u16 desc_size;
+};
+
struct vmxnet3_rx_queue {
char name[IFNAMSIZ + 8]; /* To identify interrupt */
struct vmxnet3_adapter *adapter;
struct napi_struct napi;
struct vmxnet3_cmd_ring rx_ring[2];
+ struct vmxnet3_rx_data_ring data_ring;
struct vmxnet3_comp_ring comp_ring;
struct vmxnet3_rx_ctx rx_ctx;
u32 qid; /* rqID in RCD for buffer from 1st ring */
u32 qid2; /* rqID in RCD for buffer from 2nd ring */
+ u32 dataRingQid; /* rqID in RCD for buffer from data ring */
struct vmxnet3_rx_buf_info *buf_info[2];
dma_addr_t buf_info_pa;
struct Vmxnet3_RxQueueCtrl *shared;
u32 rx_ring_size;
u32 rx_ring2_size;
+ /* Size of buffer in the data ring */
+ u16 txdata_desc_size;
+ u16 rxdata_desc_size;
+
+ bool rxdataring_enabled;
+
struct work_struct work;
unsigned long state; /* VMXNET3_STATE_BIT_xxx */
#define VMXNET3_GET_ADDR_LO(dma) ((u32)(dma))
#define VMXNET3_GET_ADDR_HI(dma) ((u32)(((u64)(dma)) >> 32))
+#define VMXNET3_VERSION_GE_2(adapter) \
+ (adapter->version >= VMXNET3_REV_2 + 1)
+#define VMXNET3_VERSION_GE_3(adapter) \
+ (adapter->version >= VMXNET3_REV_3 + 1)
+
/* must be a multiple of VMXNET3_RING_SIZE_ALIGN */
#define VMXNET3_DEF_TX_RING_SIZE 512
#define VMXNET3_DEF_RX_RING_SIZE 256
#define VMXNET3_DEF_RX_RING2_SIZE 128
+#define VMXNET3_DEF_RXDATA_DESC_SIZE 128
+
#define VMXNET3_MAX_ETH_HDR_SIZE 22
#define VMXNET3_MAX_SKB_BUF_SIZE (3*1024)
+#define VMXNET3_GET_RING_IDX(adapter, rqID) \
+ ((rqID >= adapter->num_rx_queues && \
+ rqID < 2 * adapter->num_rx_queues) ? 1 : 0) \
+
+#define VMXNET3_RX_DATA_RING(adapter, rqID) \
+ (rqID >= 2 * adapter->num_rx_queues && \
+ rqID < 3 * adapter->num_rx_queues) \
+
int
vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter);
int
vmxnet3_create_queues(struct vmxnet3_adapter *adapter,
- u32 tx_ring_size, u32 rx_ring_size, u32 rx_ring2_size);
+ u32 tx_ring_size, u32 rx_ring_size, u32 rx_ring2_size,
+ u16 txdata_desc_size, u16 rxdata_desc_size);
void vmxnet3_set_ethtool_ops(struct net_device *netdev);