/*
* Copyright (C) 2003 - 2006 NetXen, 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 Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
- *
+ *
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.
- *
+ *
* Contact Information:
* info@netxen.com
* NetXen,
#include <linux/delay.h>
#include "netxen_nic.h"
#include "netxen_nic_hw.h"
-#include "netxen_nic_ioctl.h"
#include "netxen_nic_phan_reg.h"
struct crb_addr_pair {
return err;
}
/* Window 1 call */
+ writel(MPORT_SINGLE_FUNCTION_MODE,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
writel(PHAN_INITIALIZE_ACK,
NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
for (i = 0; i < num_rx_bufs; i++) {
rx_buf->ref_handle = i;
rx_buf->state = NETXEN_BUFFER_FREE;
-
DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
"%p\n", ctxid, i, rx_buf);
rx_buf++;
}
}
}
- DPRINTK(INFO, "initialized buffers for %s and %s\n",
- "adapter->free_cmd_buf_list", "adapter->free_rxbuf");
}
void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
{
- struct netxen_drvops *ops = adapter->ops;
switch (adapter->ahw.board_type) {
case NETXEN_NIC_GBE:
- ops->enable_phy_interrupts =
+ adapter->enable_phy_interrupts =
netxen_niu_gbe_enable_phy_interrupts;
- ops->disable_phy_interrupts =
+ adapter->disable_phy_interrupts =
netxen_niu_gbe_disable_phy_interrupts;
- ops->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
- ops->macaddr_set = netxen_niu_macaddr_set;
- ops->set_mtu = netxen_nic_set_mtu_gb;
- ops->set_promisc = netxen_niu_set_promiscuous_mode;
- ops->unset_promisc = netxen_niu_set_promiscuous_mode;
- ops->phy_read = netxen_niu_gbe_phy_read;
- ops->phy_write = netxen_niu_gbe_phy_write;
- ops->init_port = netxen_niu_gbe_init_port;
- ops->init_niu = netxen_nic_init_niu_gb;
- ops->stop_port = netxen_niu_disable_gbe_port;
+ adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
+ adapter->macaddr_set = netxen_niu_macaddr_set;
+ adapter->set_mtu = netxen_nic_set_mtu_gb;
+ adapter->set_promisc = netxen_niu_set_promiscuous_mode;
+ adapter->unset_promisc = netxen_niu_set_promiscuous_mode;
+ adapter->phy_read = netxen_niu_gbe_phy_read;
+ adapter->phy_write = netxen_niu_gbe_phy_write;
+ adapter->init_port = netxen_niu_gbe_init_port;
+ adapter->init_niu = netxen_nic_init_niu_gb;
+ adapter->stop_port = netxen_niu_disable_gbe_port;
break;
case NETXEN_NIC_XGBE:
- ops->enable_phy_interrupts =
+ adapter->enable_phy_interrupts =
netxen_niu_xgbe_enable_phy_interrupts;
- ops->disable_phy_interrupts =
+ adapter->disable_phy_interrupts =
netxen_niu_xgbe_disable_phy_interrupts;
- ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
- ops->macaddr_set = netxen_niu_xg_macaddr_set;
- ops->set_mtu = netxen_nic_set_mtu_xgb;
- ops->init_port = netxen_niu_xg_init_port;
- ops->set_promisc = netxen_niu_xg_set_promiscuous_mode;
- ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
- ops->stop_port = netxen_niu_disable_xg_port;
+ adapter->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
+ adapter->macaddr_set = netxen_niu_xg_macaddr_set;
+ adapter->set_mtu = netxen_nic_set_mtu_xgb;
+ adapter->init_port = netxen_niu_xg_init_port;
+ adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode;
+ adapter->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
+ adapter->stop_port = netxen_niu_disable_xg_port;
break;
default:
return 0;
}
-static inline int do_rom_fast_write(struct netxen_adapter *adapter,
- int addr, int data)
+static inline int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
+ int data)
{
if (netxen_rom_wren(adapter)) {
return -1;
return 0;
}
+int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
+{
+ uint64_t addr;
+ uint32_t hi;
+ uint32_t lo;
+
+ adapter->dummy_dma.addr =
+ pci_alloc_consistent(adapter->ahw.pdev,
+ NETXEN_HOST_DUMMY_DMA_SIZE,
+ &adapter->dummy_dma.phys_addr);
+ if (adapter->dummy_dma.addr == NULL) {
+ printk("%s: ERROR: Could not allocate dummy DMA memory\n",
+ __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ addr = (uint64_t) adapter->dummy_dma.phys_addr;
+ hi = (addr >> 32) & 0xffffffff;
+ lo = addr & 0xffffffff;
+
+ writel(hi, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI));
+ writel(lo, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO));
+
+ return 0;
+}
+
+void netxen_free_adapter_offload(struct netxen_adapter *adapter)
+{
+ if (adapter->dummy_dma.addr) {
+ pci_free_consistent(adapter->ahw.pdev,
+ NETXEN_HOST_DUMMY_DMA_SIZE,
+ adapter->dummy_dma.addr,
+ adapter->dummy_dma.phys_addr);
+ adapter->dummy_dma.addr = NULL;
+ }
+}
+
void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
{
u32 val = 0;
desc_head = recv_ctx->rcv_status_desc_head;
desc = &desc_head[consumer];
- if (((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST))
+ if (((le16_to_cpu(netxen_get_sts_owner(desc)))
+ & STATUS_OWNER_HOST))
return 1;
}
return rv;
}
-void netxen_watchdog_task(unsigned long v)
+void netxen_watchdog_task(struct work_struct *work)
{
int port_num;
struct netxen_port *port;
struct net_device *netdev;
- struct netxen_adapter *adapter = (struct netxen_adapter *)v;
+ struct netxen_adapter *adapter =
+ container_of(work, struct netxen_adapter, watchdog_task);
if (netxen_nic_check_temp(adapter))
return;
netif_wake_queue(netdev);
}
- if (adapter->ops->handle_phy_intr)
- adapter->ops->handle_phy_intr(adapter);
+ if (adapter->handle_phy_intr)
+ adapter->handle_phy_intr(adapter);
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
}
netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
struct status_desc *desc)
{
- struct netxen_port *port = adapter->port[STATUS_DESC_PORT(desc)];
+ struct netxen_port *port = adapter->port[netxen_get_sts_port(desc)];
struct pci_dev *pdev = port->pdev;
struct net_device *netdev = port->netdev;
- int index = le16_to_cpu(desc->reference_handle);
+ int index = le16_to_cpu(netxen_get_sts_refhandle(desc));
struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
struct netxen_rx_buffer *buffer;
struct sk_buff *skb;
- u32 length = le16_to_cpu(desc->total_length);
+ u32 length = le16_to_cpu(netxen_get_sts_totallength(desc));
u32 desc_ctx;
struct netxen_rcv_desc_ctx *rcv_desc;
int ret;
- desc_ctx = STATUS_DESC_TYPE(desc);
+ desc_ctx = netxen_get_sts_type(desc);
if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
printk("%s: %s Bad Rcv descriptor ring\n",
netxen_nic_driver_name, netdev->name);
}
rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
+ if (unlikely(index > rcv_desc->max_rx_desc_count)) {
+ DPRINTK(ERR, "Got a buffer index:%x Max is %x\n",
+ index, rcv_desc->max_rx_desc_count);
+ return;
+ }
buffer = &rcv_desc->rx_buf_arr[index];
+ if (desc_ctx == RCV_DESC_LRO_CTXID) {
+ buffer->lro_current_frags++;
+ if (netxen_get_sts_desc_lro_last_frag(desc)) {
+ buffer->lro_expected_frags =
+ netxen_get_sts_desc_lro_cnt(desc);
+ buffer->lro_length = length;
+ }
+ if (buffer->lro_current_frags != buffer->lro_expected_frags) {
+ if (buffer->lro_expected_frags != 0) {
+ printk("LRO: (refhandle:%x) recv frag."
+ "wait for last. flags: %x expected:%d"
+ "have:%d\n", index,
+ netxen_get_sts_desc_lro_last_frag(desc),
+ buffer->lro_expected_frags,
+ buffer->lro_current_frags);
+ }
+ return;
+ }
+ }
pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
PCI_DMA_FROMDEVICE);
skb = (struct sk_buff *)buffer->skb;
- if (likely(STATUS_DESC_STATUS(desc) == STATUS_CKSUM_OK)) {
+ if (likely(netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) {
port->stats.csummed++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
- } else
- skb->ip_summed = CHECKSUM_NONE;
+ }
skb->dev = netdev;
- skb_put(skb, length);
+ if (desc_ctx == RCV_DESC_LRO_CTXID) {
+ /* True length was only available on the last pkt */
+ skb_put(skb, buffer->lro_length);
+ } else {
+ skb_put(skb, length);
+ }
+
skb->protocol = eth_type_trans(skb, netdev);
ret = netif_receive_skb(skb);
adapter->stats.post_called++;
buffer->skb = NULL;
buffer->state = NETXEN_BUFFER_FREE;
+ buffer->lro_current_frags = 0;
+ buffer->lro_expected_frags = 0;
port->stats.no_rcv++;
port->stats.rxbytes += length;
struct status_desc *desc_head = recv_ctx->rcv_status_desc_head;
struct status_desc *desc; /* used to read status desc here */
u32 consumer = recv_ctx->status_rx_consumer;
+ u32 producer = 0;
int count = 0, ring;
DPRINTK(INFO, "procesing receive\n");
*/
while (count < max) {
desc = &desc_head[consumer];
- if (!((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) {
- DPRINTK(ERR, "desc %p ownedby %x\n", desc, desc->owner);
+ if (!
+ (le16_to_cpu(netxen_get_sts_owner(desc)) &
+ STATUS_OWNER_HOST)) {
+ DPRINTK(ERR, "desc %p ownedby %x\n", desc,
+ netxen_get_sts_owner(desc));
break;
}
netxen_process_rcv(adapter, ctxid, desc);
- desc->owner = STATUS_OWNER_PHANTOM;
+ netxen_clear_sts_owner(desc);
+ netxen_set_sts_owner(desc, cpu_to_le16(STATUS_OWNER_PHANTOM));
consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
count++;
}
if (count) {
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- netxen_post_rx_buffers(adapter, ctxid, ring);
+ netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
}
}
if (count) {
adapter->stats.process_rcv++;
recv_ctx->status_rx_consumer = consumer;
+ recv_ctx->status_rx_producer = producer;
/* Window = 1 */
writel(consumer,
}
/* Process Command status ring */
-void netxen_process_cmd_ring(unsigned long data)
+int netxen_process_cmd_ring(unsigned long data)
{
u32 last_consumer;
u32 consumer;
struct netxen_adapter *adapter = (struct netxen_adapter *)data;
- int count = 0;
+ int count1 = 0;
+ int count2 = 0;
struct netxen_cmd_buffer *buffer;
struct netxen_port *port; /* port #1 */
struct netxen_port *nport;
u32 i;
struct sk_buff *skb = NULL;
int p;
+ int done;
spin_lock(&adapter->tx_lock);
last_consumer = adapter->last_cmd_consumer;
* number as part of the descriptor. This way we will be able to get
* the netdev which is associated with that device.
*/
- consumer =
- readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
+ consumer = *(adapter->cmd_consumer);
if (last_consumer == consumer) { /* Ring is empty */
DPRINTK(INFO, "last_consumer %d == consumer %d\n",
last_consumer, consumer);
spin_unlock(&adapter->tx_lock);
- return;
+ return 1;
}
adapter->proc_cmd_buf_counter++;
*/
spin_unlock(&adapter->tx_lock);
- while ((last_consumer != consumer) && (count < MAX_STATUS_HANDLE)) {
+ while ((last_consumer != consumer) && (count1 < MAX_STATUS_HANDLE)) {
buffer = &adapter->cmd_buf_arr[last_consumer];
port = adapter->port[buffer->port];
pdev = port->pdev;
&& netif_carrier_ok(port->netdev))
&& ((jiffies - port->netdev->trans_start) >
port->netdev->watchdog_timeo)) {
- schedule_work(&port->adapter->tx_timeout_task);
+ SCHEDULE_WORK(&port->tx_timeout_task);
}
last_consumer = get_next_index(last_consumer,
adapter->max_tx_desc_count);
- count++;
+ count1++;
}
- adapter->stats.noxmitdone += count;
+ adapter->stats.noxmitdone += count1;
- count = 0;
+ count2 = 0;
spin_lock(&adapter->tx_lock);
if ((--adapter->proc_cmd_buf_counter) == 0) {
adapter->last_cmd_consumer = last_consumer;
while ((adapter->last_cmd_consumer != consumer)
- && (count < MAX_STATUS_HANDLE)) {
+ && (count2 < MAX_STATUS_HANDLE)) {
buffer =
&adapter->cmd_buf_arr[adapter->last_cmd_consumer];
- count++;
+ count2++;
if (buffer->skb)
break;
else
adapter->max_tx_desc_count);
}
}
- if (count) {
+ if (count1 || count2) {
for (p = 0; p < adapter->ahw.max_ports; p++) {
nport = adapter->port[p];
if (netif_queue_stopped(nport->netdev)
}
}
}
+ /*
+ * If everything is freed up to consumer then check if the ring is full
+ * If the ring is full then check if more needs to be freed and
+ * schedule the call back again.
+ *
+ * This happens when there are 2 CPUs. One could be freeing and the
+ * other filling it. If the ring is full when we get out of here and
+ * the card has already interrupted the host then the host can miss the
+ * interrupt.
+ *
+ * There is still a possible race condition and the host could miss an
+ * interrupt. The card has to take care of this.
+ */
+ if (adapter->last_cmd_consumer == consumer &&
+ (((adapter->cmd_producer + 1) %
+ adapter->max_tx_desc_count) == adapter->last_cmd_consumer)) {
+ consumer = *(adapter->cmd_consumer);
+ }
+ done = (adapter->last_cmd_consumer == consumer);
spin_unlock(&adapter->tx_lock);
DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer,
__FUNCTION__);
+ return (done);
}
/*
struct sk_buff *skb;
struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
struct netxen_rcv_desc_ctx *rcv_desc = NULL;
- struct netxen_recv_crb *crbarea = &recv_crb_registers[ctx];
- struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
- u32 producer;
+ uint producer;
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
int count = 0;
int index = 0;
+ netxen_ctx_msg msg = 0;
+ dma_addr_t dma;
adapter->stats.post_called++;
rcv_desc = &recv_ctx->rcv_desc[ringid];
- rcv_desc_crb = &crbarea->rcv_desc_crb[ringid];
producer = rcv_desc->producer;
index = rcv_desc->begin_alloc;
skb = dev_alloc_skb(rcv_desc->skb_size);
if (unlikely(!skb)) {
/*
+ * TODO
* We need to schedule the posting of buffers to the pegs.
*/
rcv_desc->begin_alloc = index;
" allocated only %d buffers\n", count);
break;
}
+
+ count++; /* now there should be no failure */
+ pdesc = &rcv_desc->desc_head[producer];
+
+#if defined(XGB_DEBUG)
+ *(unsigned long *)(skb->head) = 0xc0debabe;
+ if (skb_is_nonlinear(skb)) {
+ printk("Allocated SKB @%p is nonlinear\n");
+ }
+#endif
+ skb_reserve(skb, 2);
+ /* This will be setup when we receive the
+ * buffer after it has been filled FSL TBD TBD
+ * skb->dev = netdev;
+ */
+ dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size,
+ PCI_DMA_FROMDEVICE);
+ pdesc->addr_buffer = cpu_to_le64(dma);
+ buffer->skb = skb;
+ buffer->state = NETXEN_BUFFER_BUSY;
+ buffer->dma = dma;
+ /* make a rcv descriptor */
+ pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
+ pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+ DPRINTK(INFO, "done writing descripter\n");
+ producer =
+ get_next_index(producer, rcv_desc->max_rx_desc_count);
+ index = get_next_index(index, rcv_desc->max_rx_desc_count);
+ buffer = &rcv_desc->rx_buf_arr[index];
+ }
+ /* if we did allocate buffers, then write the count to Phantom */
+ if (count) {
+ rcv_desc->begin_alloc = index;
+ rcv_desc->rcv_pending += count;
+ adapter->stats.lastposted = count;
+ adapter->stats.posted += count;
+ rcv_desc->producer = producer;
+ if (rcv_desc->rcv_free >= 32) {
+ rcv_desc->rcv_free = 0;
+ /* Window = 1 */
+ writel((producer - 1) &
+ (rcv_desc->max_rx_desc_count - 1),
+ NETXEN_CRB_NORMALIZE(adapter,
+ recv_crb_registers[0].
+ rcv_desc_crb[ringid].
+ crb_rcv_producer_offset));
+ /*
+ * Write a doorbell msg to tell phanmon of change in
+ * receive ring producer
+ */
+ netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
+ netxen_set_msg_privid(msg);
+ netxen_set_msg_count(msg,
+ ((producer -
+ 1) & (rcv_desc->
+ max_rx_desc_count - 1)));
+ netxen_set_msg_ctxid(msg, 0);
+ netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
+ writel(msg,
+ DB_NORMALIZE(adapter,
+ NETXEN_RCV_PRODUCER_OFFSET));
+ }
+ }
+}
+
+void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ctx,
+ uint32_t ringid)
+{
+ struct pci_dev *pdev = adapter->ahw.pdev;
+ struct sk_buff *skb;
+ struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
+ struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+ u32 producer;
+ struct rcv_desc *pdesc;
+ struct netxen_rx_buffer *buffer;
+ int count = 0;
+ int index = 0;
+
+ adapter->stats.post_called++;
+ rcv_desc = &recv_ctx->rcv_desc[ringid];
+
+ producer = rcv_desc->producer;
+ index = rcv_desc->begin_alloc;
+ buffer = &rcv_desc->rx_buf_arr[index];
+ /* We can start writing rx descriptors into the phantom memory. */
+ while (buffer->state == NETXEN_BUFFER_FREE) {
+ skb = dev_alloc_skb(rcv_desc->skb_size);
+ if (unlikely(!skb)) {
+ /*
+ * We need to schedule the posting of buffers to the pegs.
+ */
+ rcv_desc->begin_alloc = index;
+ DPRINTK(ERR, "netxen_post_rx_buffers_nodb: "
+ " allocated only %d buffers\n", count);
+ break;
+ }
count++; /* now there should be no failure */
pdesc = &rcv_desc->desc_head[producer];
- skb_reserve(skb, NET_IP_ALIGN);
+ skb_reserve(skb, 2);
/*
* This will be setup when we receive the
* buffer after it has been filled
buffer->dma = pci_map_single(pdev, skb->data,
rcv_desc->dma_size,
PCI_DMA_FROMDEVICE);
+
/* make a rcv descriptor */
- pdesc->reference_handle = le16_to_cpu(buffer->ref_handle);
- pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size);
+ pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
+ pdesc->buffer_length = cpu_to_le16(rcv_desc->dma_size);
pdesc->addr_buffer = cpu_to_le64(buffer->dma);
DPRINTK(INFO, "done writing descripter\n");
producer =
writel((producer - 1) &
(rcv_desc->max_rx_desc_count - 1),
NETXEN_CRB_NORMALIZE(adapter,
- rcv_desc_crb->
+ recv_crb_registers[0].
+ rcv_desc_crb[ringid].
crb_rcv_producer_offset));
wmb();
}
return 0;
}
-int
-netxen_nic_fill_statistics(struct netxen_adapter *adapter,
- struct netxen_port *port,
- struct netxen_statistics *netxen_stats)
-{
- void __iomem *addr;
-
- if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
- netxen_nic_pci_change_crbwindow(adapter, 0);
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_BYTE_CNT,
- &(netxen_stats->tx_bytes));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_FRAME_CNT,
- &(netxen_stats->tx_packets));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_BYTE_CNT,
- &(netxen_stats->rx_bytes));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_FRAME_CNT,
- &(netxen_stats->rx_packets));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_AGGR_ERROR_CNT,
- &(netxen_stats->rx_errors));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_CRC_ERROR_CNT,
- &(netxen_stats->rx_crc_errors));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
- &(netxen_stats->
- rx_long_length_error));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
- &(netxen_stats->
- rx_short_length_error));
-
- netxen_nic_pci_change_crbwindow(adapter, 1);
- } else {
- spin_lock_bh(&adapter->tx_lock);
- netxen_stats->tx_bytes = port->stats.txbytes;
- netxen_stats->tx_packets = port->stats.xmitedframes +
- port->stats.xmitfinished;
- netxen_stats->rx_bytes = port->stats.rxbytes;
- netxen_stats->rx_packets = port->stats.no_rcv;
- netxen_stats->rx_errors = port->stats.rcvdbadskb;
- netxen_stats->tx_errors = port->stats.nocmddescriptor;
- netxen_stats->rx_short_length_error = port->stats.uplcong;
- netxen_stats->rx_long_length_error = port->stats.uphcong;
- netxen_stats->rx_crc_errors = 0;
- netxen_stats->rx_mac_errors = 0;
- spin_unlock_bh(&adapter->tx_lock);
- }
- return 0;
-}
void netxen_nic_clear_stats(struct netxen_adapter *adapter)
{
}
}
-int
-netxen_nic_clear_statistics(struct netxen_adapter *adapter,
- struct netxen_port *port)
-{
- int data = 0;
-
- netxen_nic_pci_change_crbwindow(adapter, 0);
-
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_BYTE_CNT, &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_FRAME_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_BYTE_CNT, &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_FRAME_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_AGGR_ERROR_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_CRC_ERROR_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
- &data);
-
- netxen_nic_pci_change_crbwindow(adapter, 1);
- netxen_nic_clear_stats(adapter);
- return 0;
-}
-
-int
-netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
- struct netxen_port *port)
-{
- struct netxen_nic_ioctl_data data;
- struct netxen_nic_ioctl_data *up_data;
- int retval = 0;
- struct netxen_statistics netxen_stats;
-
- up_data = (void *)u_data;
-
- DPRINTK(INFO, "doing ioctl for %p\n", adapter);
- if (copy_from_user(&data, (void __user *)up_data, sizeof(data))) {
- /* evil user tried to crash the kernel */
- DPRINTK(ERR, "bad copy from userland: %d\n", (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
-
- /* Shouldn't access beyond legal limits of "char u[64];" member */
- if (!data.ptr && (data.size > sizeof(data.u))) {
- /* evil user tried to crash the kernel */
- DPRINTK(ERR, "bad size: %d\n", data.size);
- retval = -EFAULT;
- goto error_out;
- }
-
- switch (data.cmd) {
- case netxen_nic_cmd_pci_read:
- if ((retval = netxen_nic_hw_read_wx(adapter, data.off,
- &(data.u), data.size)))
- goto error_out;
- if (copy_to_user
- ((void __user *)&(up_data->u), &(data.u), data.size)) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- data.rv = 0;
- break;
-
- case netxen_nic_cmd_pci_write:
- data.rv = netxen_nic_hw_write_wx(adapter, data.off, &(data.u),
- data.size);
- break;
-
- case netxen_nic_cmd_pci_config_read:
- switch (data.size) {
- case 1:
- data.rv = pci_read_config_byte(adapter->ahw.pdev,
- data.off,
- (char *)&(data.u));
- break;
- case 2:
- data.rv = pci_read_config_word(adapter->ahw.pdev,
- data.off,
- (short *)&(data.u));
- break;
- case 4:
- data.rv = pci_read_config_dword(adapter->ahw.pdev,
- data.off,
- (u32 *) & (data.u));
- break;
- }
- if (copy_to_user
- ((void __user *)&(up_data->u), &(data.u), data.size)) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- break;
-
- case netxen_nic_cmd_pci_config_write:
- switch (data.size) {
- case 1:
- data.rv = pci_write_config_byte(adapter->ahw.pdev,
- data.off,
- *(char *)&(data.u));
- break;
- case 2:
- data.rv = pci_write_config_word(adapter->ahw.pdev,
- data.off,
- *(short *)&(data.u));
- break;
- case 4:
- data.rv = pci_write_config_dword(adapter->ahw.pdev,
- data.off,
- *(u32 *) & (data.u));
- break;
- }
- break;
-
- case netxen_nic_cmd_get_stats:
- data.rv =
- netxen_nic_fill_statistics(adapter, port, &netxen_stats);
- if (copy_to_user
- ((void __user *)(up_data->ptr), (void *)&netxen_stats,
- sizeof(struct netxen_statistics))) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(netxen_stats));
- retval = -EFAULT;
- goto error_out;
- }
- up_data->rv = data.rv;
- break;
-
- case netxen_nic_cmd_clear_stats:
- data.rv = netxen_nic_clear_statistics(adapter, port);
- up_data->rv = data.rv;
- break;
-
- case netxen_nic_cmd_get_version:
- if (copy_to_user
- ((void __user *)&(up_data->u), NETXEN_NIC_LINUX_VERSIONID,
- sizeof(NETXEN_NIC_LINUX_VERSIONID))) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- break;
-
- default:
- DPRINTK(INFO, "bad command %d for %p\n", data.cmd, adapter);
- retval = -EOPNOTSUPP;
- goto error_out;
- }
- put_user(data.rv, (u16 __user *) (&(up_data->rv)));
- DPRINTK(INFO, "done ioctl for %p well.\n", adapter);
-
- error_out:
- return retval;
-}
git.openpandora.org / pandora-kernel.git / blobdiff