#include "netxen_nic_hw.h"
#include "netxen_nic.h"
-#include "netxen_nic_phan_reg.h"
#include <linux/dma-mapping.h>
#include <linux/if_vlan.h>
static void __devexit netxen_nic_remove(struct pci_dev *pdev);
static int netxen_nic_open(struct net_device *netdev);
static int netxen_nic_close(struct net_device *netdev);
-static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *);
+static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
+ struct net_device *);
static void netxen_tx_timeout(struct net_device *netdev);
static void netxen_reset_task(struct work_struct *work);
static void netxen_watchdog(unsigned long);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void netxen_nic_poll_controller(struct net_device *netdev);
#endif
+
+static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
+static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
+
static irqreturn_t netxen_intr(int irq, void *data);
static irqreturn_t netxen_msi_intr(int irq, void *data);
static irqreturn_t netxen_msix_intr(int irq, void *data);
MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
-static void netxen_watchdog(unsigned long);
-
static uint32_t crb_cmd_producer[4] = {
CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
netxen_request_firmware(adapter);
err = netxen_need_fw_reset(adapter);
- if (err <= 0)
+ if (err < 0)
return err;
+ if (err == 0)
+ goto wait_init;
if (first_boot != 0x55555555) {
NXWR32(adapter, CRB_CMDPEG_STATE, 0);
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
netxen_p3_free_mac_list(adapter);
+ adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
+
netxen_napi_disable(adapter);
netxen_release_tx_buffers(adapter);
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
netxen_nic_init_coalesce_defaults(adapter);
+ netxen_create_sysfs_entries(adapter);
+
adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
return 0;
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
return;
+ netxen_remove_sysfs_entries(adapter);
+
netxen_free_hw_resources(adapter);
netxen_release_rx_buffers(adapter);
netxen_nic_free_irq(adapter);
free_netdev(netdev);
}
-
-#ifdef CONFIG_PM
-static int
-netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __netxen_nic_shutdown(struct pci_dev *pdev)
{
-
struct netxen_adapter *adapter = pci_get_drvdata(pdev);
struct net_device *netdev = adapter->netdev;
+ int retval;
netif_device_detach(netdev);
netxen_nic_detach(adapter);
- pci_save_state(pdev);
+ if (adapter->portnum == 0)
+ netxen_free_dummy_dma(adapter);
+
+ retval = pci_save_state(pdev);
+ if (retval)
+ return retval;
if (netxen_nic_wol_supported(adapter)) {
pci_enable_wake(pdev, PCI_D3cold, 1);
}
pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
+static void netxen_nic_shutdown(struct pci_dev *pdev)
+{
+ if (__netxen_nic_shutdown(pdev))
+ return;
+}
+#ifdef CONFIG_PM
+static int
+netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ int retval;
+
+ retval = __netxen_nic_shutdown(pdev);
+ if (retval)
+ return retval;
+
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ return 0;
+}
static int
netxen_nic_resume(struct pci_dev *pdev)
barrier();
}
-static void
-netxen_clean_tx_dma_mapping(struct pci_dev *pdev,
- struct netxen_cmd_buffer *pbuf, int last)
+static int
+netxen_map_tx_skb(struct pci_dev *pdev,
+ struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
{
- int k;
- struct netxen_skb_frag *buffrag;
+ struct netxen_skb_frag *nf;
+ struct skb_frag_struct *frag;
+ int i, nr_frags;
+ dma_addr_t map;
+
+ nr_frags = skb_shinfo(skb)->nr_frags;
+ nf = &pbuf->frag_array[0];
+
+ map = pci_map_single(pdev, skb->data,
+ skb_headlen(skb), PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(pdev, map))
+ goto out_err;
- buffrag = &pbuf->frag_array[0];
- pci_unmap_single(pdev, buffrag->dma,
- buffrag->length, PCI_DMA_TODEVICE);
+ nf->dma = map;
+ nf->length = skb_headlen(skb);
- for (k = 1; k < last; k++) {
- buffrag = &pbuf->frag_array[k];
- pci_unmap_page(pdev, buffrag->dma,
- buffrag->length, PCI_DMA_TODEVICE);
+ for (i = 0; i < nr_frags; i++) {
+ frag = &skb_shinfo(skb)->frags[i];
+ nf = &pbuf->frag_array[i+1];
+
+ map = pci_map_page(pdev, frag->page, frag->page_offset,
+ frag->size, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(pdev, map))
+ goto unwind;
+
+ nf->dma = map;
+ nf->length = frag->size;
+ }
+
+ return 0;
+
+unwind:
+ while (i > 0) {
+ nf = &pbuf->frag_array[i];
+ pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
}
+
+ nf = &pbuf->frag_array[0];
+ pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
+
+out_err:
+ return -ENOMEM;
}
static inline void
desc[2] = 0ULL;
}
-static int
+static netdev_tx_t
netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
- struct skb_frag_struct *frag;
struct netxen_cmd_buffer *pbuf;
struct netxen_skb_frag *buffrag;
struct cmd_desc_type0 *hwdesc, *first_desc;
struct pci_dev *pdev;
- dma_addr_t temp_dma;
int i, k;
- unsigned long offset;
u32 producer;
- int len, frag_count, no_of_desc;
+ int frag_count, no_of_desc;
u32 num_txd = tx_ring->num_desc;
frag_count = skb_shinfo(skb)->nr_frags + 1;
}
producer = tx_ring->producer;
+ pbuf = &tx_ring->cmd_buf_arr[producer];
pdev = adapter->pdev;
- len = skb->len - skb->data_len;
- temp_dma = pci_map_single(pdev, skb->data, len, PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, temp_dma))
+ if (netxen_map_tx_skb(pdev, skb, pbuf))
goto drop_packet;
- pbuf = &tx_ring->cmd_buf_arr[producer];
pbuf->skb = skb;
pbuf->frag_count = frag_count;
- buffrag = &pbuf->frag_array[0];
- buffrag->dma = temp_dma;
- buffrag->length = len;
-
first_desc = hwdesc = &tx_ring->desc_head[producer];
netxen_clear_cmddesc((u64 *)hwdesc);
- netxen_set_tx_frags_len(hwdesc, frag_count, skb->len);
- netxen_set_tx_port(hwdesc, adapter->portnum);
- hwdesc->buffer_length[0] = cpu_to_le16(len);
- hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
+ netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
+ netxen_set_tx_port(first_desc, adapter->portnum);
+
+ for (i = 0; i < frag_count; i++) {
- for (i = 1, k = 1; i < frag_count; i++, k++) {
+ k = i % 4;
- /* move to next desc. if there is a need */
- if ((i & 0x3) == 0) {
- k = 0;
+ if ((k == 0) && (i > 0)) {
+ /* move to next desc.*/
producer = get_next_index(producer, num_txd);
hwdesc = &tx_ring->desc_head[producer];
netxen_clear_cmddesc((u64 *)hwdesc);
- pbuf = &tx_ring->cmd_buf_arr[producer];
- pbuf->skb = NULL;
- }
- buffrag = &pbuf->frag_array[i];
- frag = &skb_shinfo(skb)->frags[i - 1];
- len = frag->size;
- offset = frag->page_offset;
-
- temp_dma = pci_map_page(pdev, frag->page, offset,
- len, PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, temp_dma)) {
- netxen_clean_tx_dma_mapping(pdev, pbuf, i);
- goto drop_packet;
+ tx_ring->cmd_buf_arr[producer].skb = NULL;
}
- buffrag->dma = temp_dma;
- buffrag->length = len;
+ buffrag = &pbuf->frag_array[i];
- hwdesc->buffer_length[k] = cpu_to_le16(len);
+ hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
switch (k) {
case 0:
- hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
+ hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
break;
case 1:
- hwdesc->addr_buffer2 = cpu_to_le64(temp_dma);
+ hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
break;
case 2:
- hwdesc->addr_buffer3 = cpu_to_le64(temp_dma);
+ hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
break;
case 3:
- hwdesc->addr_buffer4 = cpu_to_le64(temp_dma);
+ hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
break;
}
}
+
tx_ring->producer = get_next_index(producer, num_txd);
netxen_tso_check(netdev, tx_ring, first_desc, skb);
}
#endif
+static ssize_t
+netxen_store_bridged_mode(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t len)
+{
+ struct net_device *net = to_net_dev(dev);
+ struct netxen_adapter *adapter = netdev_priv(net);
+ unsigned long new;
+ int ret = -EINVAL;
+
+ if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
+ goto err_out;
+
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+ goto err_out;
+
+ if (strict_strtoul(buf, 2, &new))
+ goto err_out;
+
+ if (!netxen_config_bridged_mode(adapter, !!new))
+ ret = len;
+
+err_out:
+ return ret;
+}
+
+static ssize_t
+netxen_show_bridged_mode(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct net_device *net = to_net_dev(dev);
+ struct netxen_adapter *adapter;
+ int bridged_mode = 0;
+
+ adapter = netdev_priv(net);
+
+ if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
+ bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
+
+ return sprintf(buf, "%d\n", bridged_mode);
+}
+
+static struct device_attribute dev_attr_bridged_mode = {
+ .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
+ .show = netxen_show_bridged_mode,
+ .store = netxen_store_bridged_mode,
+};
+
+static void
+netxen_create_sysfs_entries(struct netxen_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct device *dev = &netdev->dev;
+
+ if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
+ /* bridged_mode control */
+ if (device_create_file(dev, &dev_attr_bridged_mode)) {
+ dev_warn(&netdev->dev,
+ "failed to create bridged_mode sysfs entry\n");
+ }
+ }
+}
+
+static void
+netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct device *dev = &netdev->dev;
+
+ if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
+ device_remove_file(dev, &dev_attr_bridged_mode);
+}
+
+static void netxen_watchdog(unsigned long);
+
#ifdef CONFIG_INET
#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
.remove = __devexit_p(netxen_nic_remove),
#ifdef CONFIG_PM
.suspend = netxen_nic_suspend,
- .resume = netxen_nic_resume
+ .resume = netxen_nic_resume,
#endif
+ .shutdown = netxen_nic_shutdown
};
static int __init netxen_init_module(void)
projects / deliverable / linux.git / blobdiff