mirror of https://gitee.com/openkylin/linux.git
Driver: Vmxnet3: Extend register dump support
Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: Bhavesh Davda <bhavesh@vmware.com> Acked-by: Srividya Murali <smurali@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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6015a6c137
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@ -183,16 +183,22 @@ vmxnet3_get_sset_count(struct net_device *netdev, int sset)
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}
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/* Should be multiple of 4 */
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#define NUM_TX_REGS 8
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#define NUM_RX_REGS 12
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/* This is a version 2 of the vmxnet3 ethtool_regs which goes hand in hand with
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* the version 2 of the vmxnet3 support for ethtool(8) --register-dump.
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* Therefore, if any registers are added, removed or modified, then a version
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* bump and a corresponding change in the vmxnet3 support for ethtool(8)
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* --register-dump would be required.
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*/
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static int
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vmxnet3_get_regs_len(struct net_device *netdev)
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{
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struct vmxnet3_adapter *adapter = netdev_priv(netdev);
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return (adapter->num_tx_queues * NUM_TX_REGS * sizeof(u32) +
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adapter->num_rx_queues * NUM_RX_REGS * sizeof(u32));
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return ((9 /* BAR1 registers */ +
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(1 + adapter->intr.num_intrs) +
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(1 + adapter->num_tx_queues * 17 /* Tx queue registers */) +
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(1 + adapter->num_rx_queues * 23 /* Rx queue registers */)) *
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sizeof(u32));
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}
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@ -342,6 +348,12 @@ vmxnet3_get_ethtool_stats(struct net_device *netdev,
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}
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/* This is a version 2 of the vmxnet3 ethtool_regs which goes hand in hand with
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* the version 2 of the vmxnet3 support for ethtool(8) --register-dump.
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* Therefore, if any registers are added, removed or modified, then a version
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* bump and a corresponding change in the vmxnet3 support for ethtool(8)
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* --register-dump would be required.
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*/
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static void
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vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
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{
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@ -351,40 +363,90 @@ vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
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memset(p, 0, vmxnet3_get_regs_len(netdev));
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regs->version = 1;
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regs->version = 2;
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/* Update vmxnet3_get_regs_len if we want to dump more registers */
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/* make each ring use multiple of 16 bytes */
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_UVRS);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_DSAL);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_DSAH);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACL);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACH);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ICR);
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buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ECR);
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buf[j++] = adapter->intr.num_intrs;
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for (i = 0; i < adapter->intr.num_intrs; i++) {
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buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_IMR
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+ i * VMXNET3_REG_ALIGN);
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}
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buf[j++] = adapter->num_tx_queues;
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for (i = 0; i < adapter->num_tx_queues; i++) {
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buf[j++] = adapter->tx_queue[i].tx_ring.next2fill;
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buf[j++] = adapter->tx_queue[i].tx_ring.next2comp;
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buf[j++] = adapter->tx_queue[i].tx_ring.gen;
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buf[j++] = 0;
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struct vmxnet3_tx_queue *tq = &adapter->tx_queue[i];
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buf[j++] = adapter->tx_queue[i].comp_ring.next2proc;
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buf[j++] = adapter->tx_queue[i].comp_ring.gen;
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buf[j++] = adapter->tx_queue[i].stopped;
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buf[j++] = 0;
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buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_TXPROD +
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i * VMXNET3_REG_ALIGN);
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buf[j++] = VMXNET3_GET_ADDR_LO(tq->tx_ring.basePA);
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buf[j++] = VMXNET3_GET_ADDR_HI(tq->tx_ring.basePA);
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buf[j++] = tq->tx_ring.size;
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buf[j++] = tq->tx_ring.next2fill;
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buf[j++] = tq->tx_ring.next2comp;
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buf[j++] = tq->tx_ring.gen;
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buf[j++] = VMXNET3_GET_ADDR_LO(tq->data_ring.basePA);
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buf[j++] = VMXNET3_GET_ADDR_HI(tq->data_ring.basePA);
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buf[j++] = tq->data_ring.size;
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/* transmit data ring buffer size */
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buf[j++] = VMXNET3_HDR_COPY_SIZE;
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buf[j++] = VMXNET3_GET_ADDR_LO(tq->comp_ring.basePA);
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buf[j++] = VMXNET3_GET_ADDR_HI(tq->comp_ring.basePA);
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buf[j++] = tq->comp_ring.size;
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buf[j++] = tq->comp_ring.next2proc;
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buf[j++] = tq->comp_ring.gen;
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buf[j++] = tq->stopped;
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}
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buf[j++] = adapter->num_rx_queues;
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for (i = 0; i < adapter->num_rx_queues; i++) {
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buf[j++] = adapter->rx_queue[i].rx_ring[0].next2fill;
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buf[j++] = adapter->rx_queue[i].rx_ring[0].next2comp;
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buf[j++] = adapter->rx_queue[i].rx_ring[0].gen;
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struct vmxnet3_rx_queue *rq = &adapter->rx_queue[i];
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buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_RXPROD +
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i * VMXNET3_REG_ALIGN);
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buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_RXPROD2 +
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i * VMXNET3_REG_ALIGN);
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buf[j++] = VMXNET3_GET_ADDR_LO(rq->rx_ring[0].basePA);
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buf[j++] = VMXNET3_GET_ADDR_HI(rq->rx_ring[0].basePA);
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buf[j++] = rq->rx_ring[0].size;
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buf[j++] = rq->rx_ring[0].next2fill;
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buf[j++] = rq->rx_ring[0].next2comp;
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buf[j++] = rq->rx_ring[0].gen;
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buf[j++] = VMXNET3_GET_ADDR_LO(rq->rx_ring[1].basePA);
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buf[j++] = VMXNET3_GET_ADDR_HI(rq->rx_ring[1].basePA);
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buf[j++] = rq->rx_ring[1].size;
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buf[j++] = rq->rx_ring[1].next2fill;
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buf[j++] = rq->rx_ring[1].next2comp;
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buf[j++] = rq->rx_ring[1].gen;
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/* receive data ring */
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buf[j++] = 0;
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buf[j++] = 0;
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buf[j++] = 0;
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buf[j++] = 0;
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buf[j++] = adapter->rx_queue[i].rx_ring[1].next2fill;
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buf[j++] = adapter->rx_queue[i].rx_ring[1].next2comp;
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buf[j++] = adapter->rx_queue[i].rx_ring[1].gen;
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buf[j++] = 0;
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buf[j++] = adapter->rx_queue[i].comp_ring.next2proc;
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buf[j++] = adapter->rx_queue[i].comp_ring.gen;
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buf[j++] = 0;
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buf[j++] = 0;
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buf[j++] = VMXNET3_GET_ADDR_LO(rq->comp_ring.basePA);
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buf[j++] = VMXNET3_GET_ADDR_HI(rq->comp_ring.basePA);
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buf[j++] = rq->comp_ring.size;
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buf[j++] = rq->comp_ring.next2proc;
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buf[j++] = rq->comp_ring.gen;
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}
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}
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@ -69,10 +69,10 @@
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/*
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* Version numbers
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*/
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#define VMXNET3_DRIVER_VERSION_STRING "1.4.2.0-k"
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#define VMXNET3_DRIVER_VERSION_STRING "1.4.3.0-k"
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/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
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#define VMXNET3_DRIVER_VERSION_NUM 0x01040200
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#define VMXNET3_DRIVER_VERSION_NUM 0x01040300
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#if defined(CONFIG_PCI_MSI)
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/* RSS only makes sense if MSI-X is supported. */
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