summaryrefslogtreecommitdiffstats
path: root/drivers/net/netxen
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/netxen')
-rw-r--r--drivers/net/netxen/netxen_nic.h180
-rw-r--r--drivers/net/netxen/netxen_nic_hdr.h2
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c33
-rw-r--r--drivers/net/netxen/netxen_nic_init.c51
-rw-r--r--drivers/net/netxen/netxen_nic_main.c177
-rw-r--r--drivers/net/netxen/netxen_nic_phan_reg.h14
6 files changed, 341 insertions, 116 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 91f25e0a638e..619503742b7d 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -937,6 +937,7 @@ struct netxen_adapter {
struct netxen_ring_ctx *ctx_desc;
struct pci_dev *ctx_desc_pdev;
dma_addr_t ctx_desc_phys_addr;
+ int intr_scheme;
int (*enable_phy_interrupts) (struct netxen_adapter *);
int (*disable_phy_interrupts) (struct netxen_adapter *);
void (*handle_phy_intr) (struct netxen_adapter *);
@@ -951,6 +952,24 @@ struct netxen_adapter {
int (*stop_port) (struct netxen_adapter *);
}; /* netxen_adapter structure */
+/*
+ * NetXen dma watchdog control structure
+ *
+ * Bit 0 : enabled => R/O: 1 watchdog active, 0 inactive
+ * Bit 1 : disable_request => 1 req disable dma watchdog
+ * Bit 2 : enable_request => 1 req enable dma watchdog
+ * Bit 3-31 : unused
+ */
+
+#define netxen_set_dma_watchdog_disable_req(config_word) \
+ _netxen_set_bits(config_word, 1, 1, 1)
+#define netxen_set_dma_watchdog_enable_req(config_word) \
+ _netxen_set_bits(config_word, 2, 1, 1)
+#define netxen_get_dma_watchdog_enabled(config_word) \
+ ((config_word) & 0x1)
+#define netxen_get_dma_watchdog_disabled(config_word) \
+ (((config_word) >> 1) & 0x1)
+
/* Max number of xmit producer threads that can run simultaneously */
#define MAX_XMIT_PRODUCERS 16
@@ -1030,8 +1049,8 @@ int netxen_nic_erase_pxe(struct netxen_adapter *adapter);
/* Functions from netxen_nic_init.c */
void netxen_free_adapter_offload(struct netxen_adapter *adapter);
int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
-void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
-void netxen_load_firmware(struct netxen_adapter *adapter);
+int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
+int netxen_load_firmware(struct netxen_adapter *adapter);
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
@@ -1080,37 +1099,106 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
{
- /*
- * ISR_INT_MASK: Can be read from window 0 or 1.
- */
- writel(0x7ff, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+ uint32_t mask = 0x7ff;
+ int retries = 32;
+
+ DPRINTK(1, INFO, "Entered ISR Disable \n");
+
+ switch (adapter->portnum) {
+ case 0:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0));
+ break;
+ case 1:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1));
+ break;
+ case 2:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2));
+ break;
+ case 3:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3));
+ break;
+ }
+ if (adapter->intr_scheme != -1 &&
+ adapter->intr_scheme != INTR_SCHEME_PERPORT) {
+ writel(mask,
+ (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)));
+ }
+
+ /* Window = 0 or 1 */
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ do {
+ writel(0xffffffff, (void *)
+ (PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS)));
+ mask = readl((void *)
+ (pci_base_offset(adapter, ISR_INT_VECTOR)));
+ if (!(mask & 0x80))
+ break;
+ udelay(10);
+ } while (--retries);
+
+ if (!retries) {
+ printk(KERN_NOTICE "%s: Failed to disable interrupt completely\n",
+ netxen_nic_driver_name);
+ }
+ }
+
+ DPRINTK(1, INFO, "Done with Disable Int\n");
+
+ return;
}
static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
{
u32 mask;
- switch (adapter->ahw.board_type) {
- case NETXEN_NIC_GBE:
- mask = 0x77b;
+ DPRINTK(1, INFO, "Entered ISR Enable \n");
+
+ if (adapter->intr_scheme != -1 &&
+ adapter->intr_scheme != INTR_SCHEME_PERPORT) {
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ mask = 0x77b;
+ break;
+ case NETXEN_NIC_XGBE:
+ mask = 0x77f;
+ break;
+ default:
+ mask = 0x7ff;
+ break;
+ }
+
+ writel(mask,
+ (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)));
+ }
+ switch (adapter->portnum) {
+ case 0:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0));
+ break;
+ case 1:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1));
break;
- case NETXEN_NIC_XGBE:
- mask = 0x77f;
+ case 2:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2));
break;
- default:
- mask = 0x7ff;
+ case 3:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3));
break;
}
- writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
-
if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
mask = 0xbff;
- writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
- writel(mask, PCI_OFFSET_SECOND_RANGE(adapter,
- ISR_INT_TARGET_MASK));
+ if (adapter->intr_scheme != -1 &&
+ adapter->intr_scheme != INTR_SCHEME_PERPORT) {
+ writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ }
+ writel(mask,
+ (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK)));
}
+
+ DPRINTK(1, INFO, "Done with enable Int\n");
+
+ return;
}
/*
@@ -1164,6 +1252,62 @@ static inline void get_brd_name_by_type(u32 type, char *name)
name = "Unknown";
}
+static inline int
+dma_watchdog_shutdown_request(struct netxen_adapter *adapter)
+{
+ u32 ctrl;
+
+ /* check if already inactive */
+ if (netxen_nic_hw_read_wx(adapter,
+ NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
+ printk(KERN_ERR "failed to read dma watchdog status\n");
+
+ if (netxen_get_dma_watchdog_enabled(ctrl) == 0)
+ return 1;
+
+ /* Send the disable request */
+ netxen_set_dma_watchdog_disable_req(ctrl);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), ctrl);
+
+ return 0;
+}
+
+static inline int
+dma_watchdog_shutdown_poll_result(struct netxen_adapter *adapter)
+{
+ u32 ctrl;
+
+ if (netxen_nic_hw_read_wx(adapter,
+ NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
+ printk(KERN_ERR "failed to read dma watchdog status\n");
+
+ return ((netxen_get_dma_watchdog_enabled(ctrl) == 0) &&
+ (netxen_get_dma_watchdog_disabled(ctrl) == 0));
+}
+
+static inline int
+dma_watchdog_wakeup(struct netxen_adapter *adapter)
+{
+ u32 ctrl;
+
+ if (netxen_nic_hw_read_wx(adapter,
+ NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
+ printk(KERN_ERR "failed to read dma watchdog status\n");
+
+ if (netxen_get_dma_watchdog_enabled(ctrl))
+ return 1;
+
+ /* send the wakeup request */
+ netxen_set_dma_watchdog_enable_req(ctrl);
+
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), ctrl);
+
+ return 0;
+}
+
+
int netxen_is_flash_supported(struct netxen_adapter *adapter);
int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]);
extern void netxen_change_ringparam(struct netxen_adapter *adapter);
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index 608e37b349b4..3276866b17e2 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -687,4 +687,6 @@ enum {
#define PCIE_MAX_MASTER_SPLIT (0x14048)
+#define NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL (0x14)
+
#endif /* __NETXEN_NIC_HDR_H_ */
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index c012764d1145..aac15421bd1e 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -377,7 +377,7 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter)
recv_crb_registers[ctx].
crb_rcvpeg_state));
while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
- udelay(100);
+ msleep(1);
/* Window 1 call */
state = readl(NETXEN_CRB_NORMALIZE(adapter,
recv_crb_registers
@@ -392,7 +392,11 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter)
return err;
}
}
- DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n");
+ adapter->intr_scheme = readl(
+ NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW));
+ printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name,
+ adapter->intr_scheme);
+ DPRINTK(INFO, "Receive Peg ready too. starting stuff\n");
addr = netxen_alloc(adapter->ahw.pdev,
sizeof(struct netxen_ring_ctx) +
@@ -697,7 +701,7 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
adapter->curr_window = 0;
}
-void netxen_load_firmware(struct netxen_adapter *adapter)
+int netxen_load_firmware(struct netxen_adapter *adapter)
{
int i;
u32 data, size = 0;
@@ -709,15 +713,24 @@ void netxen_load_firmware(struct netxen_adapter *adapter)
writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
for (i = 0; i < size; i++) {
- if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) {
- DPRINTK(ERR,
- "Error in netxen_rom_fast_read(). Will skip"
- "loading flash image\n");
- return;
- }
+ int retries = 10;
+ if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0)
+ return -EIO;
+
off = netxen_nic_pci_set_window(adapter, memaddr);
addr = pci_base_offset(adapter, off);
writel(data, addr);
+ do {
+ if (readl(addr) == data)
+ break;
+ msleep(100);
+ writel(data, addr);
+ } while (--retries);
+ if (!retries) {
+ printk(KERN_ERR "%s: firmware load aborted, write failed at 0x%x\n",
+ netxen_nic_driver_name, memaddr);
+ return -EIO;
+ }
flashaddr += 4;
memaddr += 4;
}
@@ -727,7 +740,7 @@ void netxen_load_firmware(struct netxen_adapter *adapter)
NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL));
writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
- udelay(100);
+ return 0;
}
int
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index bb23f4c360db..1811bcb8c380 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -139,6 +139,8 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
return err;
}
/* Window 1 call */
+ writel(INTR_SCHEME_PERPORT,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_HOST));
writel(MPORT_MULTI_FUNCTION_MODE,
NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
writel(PHAN_INITIALIZE_ACK,
@@ -405,10 +407,7 @@ static inline int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
static inline int
do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
- if (jiffies > (last_schedule_time + (8 * HZ))) {
- last_schedule_time = jiffies;
- schedule();
- }
+ cond_resched();
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
@@ -854,10 +853,10 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
netxen_nic_pci_change_crbwindow(adapter, 1);
}
if (init_delay == 1) {
- ssleep(1);
+ msleep(2000);
init_delay = 0;
}
- msleep(1);
+ msleep(20);
}
kfree(buf);
@@ -933,10 +932,6 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
void netxen_free_adapter_offload(struct netxen_adapter *adapter)
{
if (adapter->dummy_dma.addr) {
- writel(0, NETXEN_CRB_NORMALIZE(adapter,
- CRB_HOST_DUMMY_BUF_ADDR_HI));
- writel(0, NETXEN_CRB_NORMALIZE(adapter,
- CRB_HOST_DUMMY_BUF_ADDR_LO));
pci_free_consistent(adapter->ahw.pdev,
NETXEN_HOST_DUMMY_DMA_SIZE,
adapter->dummy_dma.addr,
@@ -945,25 +940,32 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
}
}
-void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
+int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
{
u32 val = 0;
- int loops = 0;
+ int retries = 30;
if (!pegtune_val) {
- val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
- while (val != PHAN_INITIALIZE_COMPLETE &&
- val != PHAN_INITIALIZE_ACK && loops < 200000) {
- udelay(100);
- schedule();
- val =
- readl(NETXEN_CRB_NORMALIZE
+ do {
+ val = readl(NETXEN_CRB_NORMALIZE
(adapter, CRB_CMDPEG_STATE));
- loops++;
+ pegtune_val = readl(NETXEN_CRB_NORMALIZE
+ (adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+
+ if (val == PHAN_INITIALIZE_COMPLETE ||
+ val == PHAN_INITIALIZE_ACK)
+ return 0;
+
+ msleep(1000);
+ } while (--retries);
+ if (!retries) {
+ printk(KERN_WARNING "netxen_phantom_init: init failed, "
+ "pegtune_val=%x\n", pegtune_val);
+ return -1;
}
- if (val != PHAN_INITIALIZE_COMPLETE)
- printk("WARNING: Initial boot wait loop failed...\n");
}
+
+ return 0;
}
int netxen_nic_rx_has_work(struct netxen_adapter *adapter)
@@ -1120,6 +1122,7 @@ netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
adapter->stats.csummed++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
+ skb->dev = netdev;
if (desc_ctx == RCV_DESC_LRO_CTXID) {
/* True length was only available on the last pkt */
skb_put(skb, buffer->lro_length);
@@ -1224,6 +1227,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
NETXEN_CRB_NORMALIZE(adapter,
recv_crb_registers[adapter->portnum].
crb_rcv_status_consumer));
+ wmb();
}
return count;
@@ -1276,11 +1280,13 @@ int netxen_process_cmd_ring(unsigned long data)
if (skb && (cmpxchg(&buffer->skb, skb, 0) == skb)) {
pci_unmap_single(pdev, frag->dma, frag->length,
PCI_DMA_TODEVICE);
+ frag->dma = 0ULL;
for (i = 1; i < buffer->frag_count; i++) {
DPRINTK(INFO, "getting fragment no %d\n", i);
frag++; /* Get the next frag */
pci_unmap_page(pdev, frag->dma, frag->length,
PCI_DMA_TODEVICE);
+ frag->dma = 0ULL;
}
adapter->stats.skbfreed++;
@@ -1446,6 +1452,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
writel(msg,
DB_NORMALIZE(adapter,
NETXEN_RCV_PRODUCER_OFFSET));
+ wmb();
}
}
}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 6167b58d2731..a66ff58366cf 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -308,7 +308,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->netdev = netdev;
adapter->pdev = pdev;
+
+ /* this will be read from FW later */
+ adapter->intr_scheme = -1;
+
+ /* This will be reset for mezz cards */
adapter->portnum = pci_func_id;
+ adapter->status &= ~NETXEN_NETDEV_STATUS;
netdev->open = netxen_nic_open;
netdev->stop = netxen_nic_close;
@@ -336,11 +342,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- if (pci_enable_msi(pdev)) {
+ if (pci_enable_msi(pdev))
adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
- printk(KERN_WARNING "%s: unable to allocate MSI interrupt"
- " error\n", netxen_nic_driver_name);
- } else
+ else
adapter->flags |= NETXEN_NIC_MSI_ENABLED;
netdev->irq = pdev->irq;
@@ -355,13 +359,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* initialize the adapter */
netxen_initialize_adapter_hw(adapter);
-#ifdef CONFIG_PPC
- if ((adapter->ahw.boardcfg.board_type ==
- NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) &&
- (pci_func_id == 2))
- goto err_out_free_adapter;
-#endif /* CONFIG_PPC */
-
/*
* Adapter in our case is quad port so initialize it before
* initializing the ports
@@ -509,22 +506,30 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
NETXEN_CAM_RAM(0x1fc)));
if (val == 0x55555555) {
/* This is the first boot after power up */
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
+ if (!(val & 0x4)) {
+ val |= 0x4;
+ netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val);
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
+ if (!(val & 0x4))
+ printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
+ netxen_nic_driver_name);
+ }
val = readl(NETXEN_CRB_NORMALIZE(adapter,
NETXEN_ROMUSB_GLB_SW_RESET));
printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
if (val != 0x80000f) {
/* clear the register for future unloads/loads */
- writel(0, NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_CAM_RAM(0x1fc)));
- printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
- err = -ENODEV;
- goto err_out_free_dev;
+ writel(0, NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
+ err = -ENODEV;
+ goto err_out_free_dev;
}
-
- /* clear the register for future unloads/loads */
- writel(0, NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_CAM_RAM(0x1fc)));
}
+
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
printk(KERN_INFO "State: 0x%0x\n",
readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
@@ -542,13 +547,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
/* Handshake with the card before we register the devices. */
netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
-
- /* leave the hw in the same state as reboot */
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
- netxen_pinit_from_rom(adapter, 0);
- udelay(500);
- netxen_load_firmware(adapter);
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
}
/*
@@ -639,8 +637,8 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
struct netxen_rx_buffer *buffer;
struct netxen_recv_context *recv_ctx;
struct netxen_rcv_desc_ctx *rcv_desc;
- int i;
- int ctxid, ring;
+ int i, ctxid, ring;
+ static int init_firmware_done = 0;
adapter = pci_get_drvdata(pdev);
if (adapter == NULL)
@@ -648,30 +646,20 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
netdev = adapter->netdev;
- netxen_nic_disable_int(adapter);
- if (adapter->irq)
- free_irq(adapter->irq, adapter);
-
+ unregister_netdev(netdev);
+
if (adapter->stop_port)
adapter->stop_port(adapter);
- if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
- pci_disable_msi(pdev);
-
- if (adapter->portnum == 0)
- netxen_free_adapter_offload(adapter);
+ netxen_nic_disable_int(adapter);
- if(adapter->portnum == 0) {
- /* leave the hw in the same state as reboot */
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
- netxen_pinit_from_rom(adapter, 0);
- udelay(500);
- netxen_load_firmware(adapter);
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
- }
+ if (adapter->irq)
+ free_irq(adapter->irq, adapter);
- if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
+ init_firmware_done++;
netxen_free_hw_resources(adapter);
+ }
for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
recv_ctx = &adapter->recv_ctx[ctxid];
@@ -691,17 +679,73 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
}
}
- unregister_netdev(netdev);
+ if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ pci_disable_msi(pdev);
vfree(adapter->cmd_buf_arr);
+ pci_disable_device(pdev);
+
+ if (adapter->portnum == 0) {
+ if (init_firmware_done) {
+ dma_watchdog_shutdown_request(adapter);
+ msleep(100);
+ i = 100;
+ while ((dma_watchdog_shutdown_poll_result(adapter) != 1) && i) {
+ printk(KERN_INFO "dma_watchdog_shutdown_poll still in progress\n");
+ msleep(100);
+ i--;
+ }
+
+ if (i == 0) {
+ printk(KERN_ERR "dma_watchdog_shutdown_request failed\n");
+ return;
+ }
+
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_INFO "State: 0x%0x\n",
+ readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+
+ /* leave the hw in the same state as reboot */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+ if (netxen_pinit_from_rom(adapter, 0))
+ return;
+ msleep(1);
+ if (netxen_load_firmware(adapter))
+ return;
+ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ }
+
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_INFO "State: 0x%0x\n",
+ readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+
+ dma_watchdog_shutdown_request(adapter);
+ msleep(100);
+ i = 100;
+ while ((dma_watchdog_shutdown_poll_result(adapter) != 1) && i) {
+ printk(KERN_INFO "dma_watchdog_shutdown_poll still in progress\n");
+ msleep(100);
+ i--;
+ }
+
+ if (i) {
+ netxen_free_adapter_offload(adapter);
+ } else {
+ printk(KERN_ERR "failed to dma shutdown\n");
+ return;
+ }
+
+ }
+
iounmap(adapter->ahw.db_base);
iounmap(adapter->ahw.pci_base0);
iounmap(adapter->ahw.pci_base1);
iounmap(adapter->ahw.pci_base2);
pci_release_regions(pdev);
- pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
free_netdev(netdev);
@@ -798,7 +842,7 @@ static int netxen_nic_close(struct net_device *netdev)
if (buffrag->dma) {
pci_unmap_single(adapter->pdev, buffrag->dma,
buffrag->length, PCI_DMA_TODEVICE);
- buffrag->dma = (u64) NULL;
+ buffrag->dma = 0ULL;
}
for (j = 0; j < cmd_buff->frag_count; j++) {
buffrag++;
@@ -806,7 +850,7 @@ static int netxen_nic_close(struct net_device *netdev)
pci_unmap_page(adapter->pdev, buffrag->dma,
buffrag->length,
PCI_DMA_TODEVICE);
- buffrag->dma = (u64) NULL;
+ buffrag->dma = 0ULL;
}
}
/* Free the skb we received in netxen_nic_xmit_frame */
@@ -816,8 +860,10 @@ static int netxen_nic_close(struct net_device *netdev)
}
cmd_buff++;
}
- FLUSH_SCHEDULED_WORK();
- del_timer_sync(&adapter->watchdog_timer);
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
+ FLUSH_SCHEDULED_WORK();
+ del_timer_sync(&adapter->watchdog_timer);
+ }
return 0;
}
@@ -1103,28 +1149,26 @@ static int
netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev)
{
u32 ret = 0;
+ u32 our_int = 0;
DPRINTK(INFO, "Entered handle ISR\n");
adapter->stats.ints++;
if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
- int count = 0;
- u32 mask;
- u32 our_int = 0;
our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
/* not our interrupt */
if ((our_int & (0x80 << adapter->portnum)) == 0)
return ret;
- netxen_nic_disable_int(adapter);
- /* Window = 0 or 1 */
- do {
- writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter,
- ISR_INT_TARGET_STATUS));
- mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
- } while (((mask & 0x80) != 0) && (++count < 32));
- if ((mask & 0x80) != 0)
- printk("Could not disable interrupt completely\n");
+ }
+ netxen_nic_disable_int(adapter);
+
+ if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
+ /* claim interrupt */
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ writel(our_int & ~((u32)(0x80 << adapter->portnum)),
+ NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ }
}
if (netxen_nic_rx_has_work(adapter) || netxen_nic_tx_has_work(adapter)) {
@@ -1136,7 +1180,7 @@ netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev)
} else {
static unsigned int intcount = 0;
if ((++intcount & 0xfff) == 0xfff)
- printk(KERN_ERR
+ DPRINTK(KERN_ERR
"%s: %s interrupt %d while in poll\n",
netxen_nic_driver_name, netdev->name,
intcount);
@@ -1258,6 +1302,7 @@ static void __exit netxen_exit_module(void)
/*
* Wait for some time to allow the dma to drain, if any.
*/
+ msleep(100);
pci_unregister_driver(&netxen_driver);
destroy_workqueue(netxen_workq);
}
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h
index 9457fc7249c8..10fe6fafa6f6 100644
--- a/drivers/net/netxen/netxen_nic_phan_reg.h
+++ b/drivers/net/netxen/netxen_nic_phan_reg.h
@@ -114,6 +114,20 @@
#define CRB_V2P_3 NETXEN_NIC_REG(0x29c)
#define CRB_V2P(port) (CRB_V2P_0+((port)*4))
#define CRB_DRIVER_VERSION NETXEN_NIC_REG(0x2a0)
+/* sw int status/mask registers */
+#define CRB_SW_INT_MASK_0 NETXEN_NIC_REG(0x1d8)
+#define CRB_SW_INT_MASK_1 NETXEN_NIC_REG(0x1e0)
+#define CRB_SW_INT_MASK_2 NETXEN_NIC_REG(0x1e4)
+#define CRB_SW_INT_MASK_3 NETXEN_NIC_REG(0x1e8)
+
+/*
+ * capabilities register, can be used to selectively enable/disable features
+ * for backward compability
+ */
+#define CRB_NIC_CAPABILITIES_HOST NETXEN_NIC_REG(0x1a8)
+#define CRB_NIC_CAPABILITIES_FW NETXEN_NIC_REG(0x1dc)
+
+#define INTR_SCHEME_PERPORT 0x1
/* used for ethtool tests */
#define CRB_SCRATCHPAD_TEST NETXEN_NIC_REG(0x280)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 02:21:45 +0000