static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
-static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
+static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
{
- adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0);
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
+ adapter->pci_write_normalize(adapter, sds_ring->crb_intr_mask, 0);
}
-static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
+static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
{
- adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1);
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
+ adapter->pci_write_normalize(adapter, sds_ring->crb_intr_mask, 0x1);
if (!NETXEN_IS_MSI_FAMILY(adapter))
adapter->pci_write_immediate(adapter,
adapter->legacy_intr.tgt_mask_reg, 0xfbff);
}
+static void
+netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ adapter->max_sds_rings = (num_online_cpus() >= 4) ? 4 : 2;
+ else
+ adapter->max_sds_rings = 1;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ netif_napi_add(netdev, &sds_ring->napi,
+ netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+ }
+}
+
+static void
+netxen_napi_enable(struct netxen_adapter *adapter)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ napi_enable(&sds_ring->napi);
+ netxen_nic_enable_int(sds_ring);
+ }
+}
+
+static void
+netxen_napi_disable(struct netxen_adapter *adapter)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ netxen_nic_disable_int(sds_ring);
+ napi_disable(&sds_ring->napi);
+ }
+}
+
static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
{
struct pci_dev *pdev = adapter->pdev;
static void netxen_check_options(struct netxen_adapter *adapter)
{
- switch (adapter->ahw.board_type) {
- case NETXEN_BRDTYPE_P3_HMEZ:
- case NETXEN_BRDTYPE_P3_XG_LOM:
- case NETXEN_BRDTYPE_P3_10G_CX4:
- case NETXEN_BRDTYPE_P3_10G_CX4_LP:
- case NETXEN_BRDTYPE_P3_IMEZ:
- case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
- case NETXEN_BRDTYPE_P3_10G_SFP_QT:
- case NETXEN_BRDTYPE_P3_10G_SFP_CT:
- case NETXEN_BRDTYPE_P3_10G_XFP:
- case NETXEN_BRDTYPE_P3_10000_BASE_T:
- adapter->msix_supported = !!use_msi_x;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- break;
-
- case NETXEN_BRDTYPE_P2_SB31_10G:
- case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
- case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
- case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
- adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- break;
-
- case NETXEN_BRDTYPE_P3_REF_QG:
- case NETXEN_BRDTYPE_P3_4_GB:
- case NETXEN_BRDTYPE_P3_4_GB_MM:
- adapter->msix_supported = !!use_msi_x;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- break;
+ if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
+ adapter->num_rxd = MAX_RCV_DESCRIPTORS_10G;
+ else if (adapter->ahw.port_type == NETXEN_NIC_GBE)
+ adapter->num_rxd = MAX_RCV_DESCRIPTORS_1G;
- case NETXEN_BRDTYPE_P2_SB35_4G:
- case NETXEN_BRDTYPE_P2_SB31_2G:
- adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- break;
-
- case NETXEN_BRDTYPE_P3_10G_TP:
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
adapter->msix_supported = !!use_msi_x;
- if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- else
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- break;
-
- default:
+ else
adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- printk(KERN_WARNING "Unknown board type(0x%x)\n",
- adapter->ahw.board_type);
- break;
- }
+ adapter->num_txd = MAX_CMD_DESCRIPTORS_HOST;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS;
+ adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
- adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
- adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
- adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
-
- adapter->max_possible_rss_rings = 1;
return;
}
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
- if (netxen_is_flash_supported(adapter) != 0)
- return -EIO;
-
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
return -EIO;
dev_info(&pdev->dev, "using msi interrupts\n");
} else
dev_info(&pdev->dev, "using legacy interrupts\n");
+ adapter->msix_entries[0].vector = pdev->irq;
}
}
netxen_nic_request_irq(struct netxen_adapter *adapter)
{
irq_handler_t handler;
+ struct nx_host_sds_ring *sds_ring;
+ int err, ring;
+
unsigned long flags = IRQF_SAMPLE_RANDOM;
struct net_device *netdev = adapter->netdev;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
if ((adapter->msi_mode != MSI_MODE_MULTIFUNC) ||
(adapter->intr_scheme != INTR_SCHEME_PERPORT)) {
}
adapter->irq = netdev->irq;
- return request_irq(adapter->irq, handler,
- flags, netdev->name, adapter);
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ sprintf(sds_ring->name, "%16s[%d]", netdev->name, ring);
+ err = request_irq(sds_ring->irq, handler,
+ flags, sds_ring->name, sds_ring);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static void
+netxen_nic_free_irq(struct netxen_adapter *adapter)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ free_irq(sds_ring->irq, sds_ring);
+ }
}
static int
adapter->ahw.linkup = 0;
mod_timer(&adapter->watchdog_timer, jiffies);
- napi_enable(&adapter->napi);
- netxen_nic_enable_int(adapter);
+ netxen_napi_enable(adapter);
+
+ if (adapter->max_sds_rings > 1)
+ netxen_config_rss(adapter, 1);
return 0;
}
{
netif_carrier_off(netdev);
netif_stop_queue(netdev);
- napi_disable(&adapter->napi);
+ netxen_napi_disable(adapter);
if (adapter->stop_port)
adapter->stop_port(adapter);
- netxen_nic_disable_int(adapter);
-
netxen_release_tx_buffers(adapter);
FLUSH_SCHEDULED_WORK();
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
int err, ring;
+ struct nx_host_rds_ring *rds_ring;
err = netxen_init_firmware(adapter);
if (err != 0) {
netxen_nic_update_cmd_consumer(adapter, 0);
}
- for (ring = 0; ring < adapter->max_rds_rings; ring++)
- netxen_post_rx_buffers(adapter, ring);
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &adapter->recv_ctx.rds_rings[ring];
+ netxen_post_rx_buffers(adapter, ring, rds_ring);
+ }
err = netxen_nic_request_irq(adapter);
if (err) {
static void
netxen_nic_detach(struct netxen_adapter *adapter)
{
- if (adapter->irq)
- free_irq(adapter->irq, adapter);
+ netxen_nic_free_irq(adapter);
netxen_release_rx_buffers(adapter);
netxen_free_hw_resources(adapter);
int pci_func_id = PCI_FUNC(pdev->devfn);
uint8_t revision_id;
- if (pci_func_id == 0)
- printk(KERN_INFO "%s\n", netxen_nic_driver_string);
-
if (pdev->class != 0x020000) {
printk(KERN_DEBUG "NetXen function %d, class %x will not "
"be enabled.\n",pci_func_id, pdev->class);
goto err_out_free_netdev;
rwlock_init(&adapter->adapter_lock);
+ spin_lock_init(&adapter->tx_clean_lock);
err = netxen_setup_pci_map(adapter);
if (err)
goto err_out_free_netdev;
- netif_napi_add(netdev, &adapter->napi,
- netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
-
/* This will be reset for mezz cards */
adapter->portnum = pci_func_id;
adapter->rx_csum = 1;
break;
}
- /*
- * This call will setup various max rx/tx counts.
- * It must be done before any buffer/ring allocations.
- */
- netxen_check_options(adapter);
-
err = netxen_start_firmware(adapter);
if (err)
goto err_out_iounmap;
adapter->physical_port = i;
}
- adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
-
- netxen_set_msix_bit(pdev, 0);
+ netxen_check_options(adapter);
netxen_setup_intr(adapter);
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- netdev->irq = adapter->msix_entries[0].vector;
- else
- netdev->irq = pdev->irq;
+ netdev->irq = adapter->msix_entries[0].vector;
+
+ netxen_napi_add(adapter, netdev);
err = netxen_receive_peg_ready(adapter);
if (err)
u32 producer, consumer;
int frag_count, no_of_desc;
- u32 num_txd = adapter->max_tx_desc_count;
+ u32 num_txd = adapter->num_txd;
bool is_tso = false;
frag_count = skb_shinfo(skb)->nr_frags + 1;
printk(KERN_ERR "%s %s: transmit timeout, resetting.\n",
netxen_nic_driver_name, adapter->netdev->name);
- netxen_nic_disable_int(adapter);
- napi_disable(&adapter->napi);
+ netxen_napi_disable(adapter);
adapter->netdev->trans_start = jiffies;
- napi_enable(&adapter->napi);
- netxen_nic_enable_int(adapter);
+ netxen_napi_enable(adapter);
netif_wake_queue(adapter->netdev);
}
static irqreturn_t netxen_intr(int irq, void *data)
{
- struct netxen_adapter *adapter = data;
+ struct nx_host_sds_ring *sds_ring = data;
+ struct netxen_adapter *adapter = sds_ring->adapter;
u32 status = 0;
status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
/* clear interrupt */
if (adapter->fw_major < 4)
- netxen_nic_disable_int(adapter);
+ netxen_nic_disable_int(sds_ring);
adapter->pci_write_immediate(adapter,
adapter->legacy_intr.tgt_status_reg,
adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
- napi_schedule(&adapter->napi);
+ napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t netxen_msi_intr(int irq, void *data)
{
- struct netxen_adapter *adapter = data;
+ struct nx_host_sds_ring *sds_ring = data;
+ struct netxen_adapter *adapter = sds_ring->adapter;
/* clear interrupt */
adapter->pci_write_immediate(adapter,
msi_tgt_status[adapter->ahw.pci_func], 0xffffffff);
- napi_schedule(&adapter->napi);
+ napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t netxen_msix_intr(int irq, void *data)
{
- struct netxen_adapter *adapter = data;
+ struct nx_host_sds_ring *sds_ring = data;
- napi_schedule(&adapter->napi);
+ napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static int netxen_nic_poll(struct napi_struct *napi, int budget)
{
- struct netxen_adapter *adapter =
- container_of(napi, struct netxen_adapter, napi);
+ struct nx_host_sds_ring *sds_ring =
+ container_of(napi, struct nx_host_sds_ring, napi);
+
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
int tx_complete;
int work_done;
tx_complete = netxen_process_cmd_ring(adapter);
- work_done = netxen_process_rcv_ring(adapter, budget);
+ work_done = netxen_process_rcv_ring(sds_ring, budget);
if ((work_done < budget) && tx_complete) {
- napi_complete(&adapter->napi);
- netxen_nic_enable_int(adapter);
+ napi_complete(&sds_ring->napi);
+ netxen_nic_enable_int(sds_ring);
}
return work_done;
static int __init netxen_init_module(void)
{
+ printk(KERN_INFO "%s\n", netxen_nic_driver_string);
+
if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL)
return -ENOMEM;
projects / linux-2.6-omap-h63xx.git / blobdiff