#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 {
- long addr;
- long data;
+ u32 addr;
+ u32 data;
};
+unsigned long last_schedule_time;
+
#define NETXEN_MAX_CRB_XFORM 60
static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
-#define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff )
+#define NETXEN_ADDR_ERROR (0xffffffff)
#define crb_addr_transform(name) \
crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
crb_addr_transform(CAM);
crb_addr_transform(C2C1);
crb_addr_transform(C2C0);
+ crb_addr_transform(SMB);
}
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,
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)
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;
* netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
* address to external PCI CRB address.
*/
-unsigned long netxen_decode_crb_addr(unsigned long addr)
+u32 netxen_decode_crb_addr(u32 addr)
{
int i;
- unsigned long base_addr, offset, pci_base;
+ u32 base_addr, offset, pci_base;
crb_addr_transform_setup();
return (pci_base + offset);
}
-static long rom_max_timeout = 10000;
-static long rom_lock_timeout = 1000000;
+static long rom_max_timeout = 100;
+static long rom_lock_timeout = 10000;
+static long rom_write_timeout = 700;
static inline int rom_lock(struct netxen_adapter *adapter)
{
static inline int
do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
+ cond_resched();
+
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
udelay(100); /* prevent bursting on CRB */
return 0;
}
+static inline int
+do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
+ u8 *bytes, size_t size)
+{
+ int addridx;
+ int ret = 0;
+
+ for (addridx = addr; addridx < (addr + size); addridx += 4) {
+ ret = do_rom_fast_read(adapter, addridx, (int *)bytes);
+ if (ret != 0)
+ break;
+ *(int *)bytes = cpu_to_le32(*(int *)bytes);
+ bytes += 4;
+ }
+
+ return ret;
+}
+
+int
+netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
+ u8 *bytes, size_t size)
+{
+ int ret;
+
+ ret = rom_lock(adapter);
+ if (ret < 0)
+ return ret;
+
+ ret = do_rom_fast_read_words(adapter, addr, bytes, size);
+
+ netxen_rom_unlock(adapter);
+ return ret;
+}
+
int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
int ret;
netxen_rom_unlock(adapter);
return ret;
}
+
+static inline int do_rom_fast_write_words(struct netxen_adapter *adapter,
+ int addr, u8 *bytes, size_t size)
+{
+ int addridx = addr;
+ int ret = 0;
+
+ while (addridx < (addr + size)) {
+ int last_attempt = 0;
+ int timeout = 0;
+ int data;
+
+ data = le32_to_cpu((*(u32*)bytes));
+ ret = do_rom_fast_write(adapter, addridx, data);
+ if (ret < 0)
+ return ret;
+
+ while(1) {
+ int data1;
+
+ ret = do_rom_fast_read(adapter, addridx, &data1);
+ if (ret < 0)
+ return ret;
+
+ if (data1 == data)
+ break;
+
+ if (timeout++ >= rom_write_timeout) {
+ if (last_attempt++ < 4) {
+ ret = do_rom_fast_write(adapter,
+ addridx, data);
+ if (ret < 0)
+ return ret;
+ }
+ else {
+ printk(KERN_INFO "Data write did not "
+ "succeed at address 0x%x\n", addridx);
+ break;
+ }
+ }
+ }
+
+ bytes += 4;
+ addridx += 4;
+ }
+
+ return ret;
+}
+
+int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
+ u8 *bytes, size_t size)
+{
+ int ret = 0;
+
+ ret = rom_lock(adapter);
+ if (ret < 0)
+ return ret;
+
+ ret = do_rom_fast_write_words(adapter, addr, bytes, size);
+ netxen_rom_unlock(adapter);
+
+ return ret;
+}
+
+int netxen_rom_wrsr(struct netxen_adapter *adapter, int data)
+{
+ int ret;
+
+ ret = netxen_rom_wren(adapter);
+ if (ret < 0)
+ return ret;
+
+ netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_ROM_WDATA, data);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0x1);
+
+ ret = netxen_wait_rom_done(adapter);
+ if (ret < 0)
+ return ret;
+
+ return netxen_rom_wip_poll(adapter);
+}
+
+int netxen_rom_rdsr(struct netxen_adapter *adapter)
+{
+ int ret;
+
+ ret = rom_lock(adapter);
+ if (ret < 0)
+ return ret;
+
+ ret = netxen_do_rom_rdsr(adapter);
+ netxen_rom_unlock(adapter);
+ return ret;
+}
+
+int netxen_backup_crbinit(struct netxen_adapter *adapter)
+{
+ int ret = FLASH_SUCCESS;
+ int val;
+ char *buffer = kmalloc(NETXEN_FLASH_SECTOR_SIZE, GFP_KERNEL);
+
+ if (!buffer)
+ return -ENOMEM;
+ /* unlock sector 63 */
+ val = netxen_rom_rdsr(adapter);
+ val = val & 0xe3;
+ ret = netxen_rom_wrsr(adapter, val);
+ if (ret != FLASH_SUCCESS)
+ goto out_kfree;
+
+ ret = netxen_rom_wip_poll(adapter);
+ if (ret != FLASH_SUCCESS)
+ goto out_kfree;
+
+ /* copy sector 0 to sector 63 */
+ ret = netxen_rom_fast_read_words(adapter, NETXEN_CRBINIT_START,
+ buffer, NETXEN_FLASH_SECTOR_SIZE);
+ if (ret != FLASH_SUCCESS)
+ goto out_kfree;
+
+ ret = netxen_rom_fast_write_words(adapter, NETXEN_FIXED_START,
+ buffer, NETXEN_FLASH_SECTOR_SIZE);
+ if (ret != FLASH_SUCCESS)
+ goto out_kfree;
+
+ /* lock sector 63 */
+ val = netxen_rom_rdsr(adapter);
+ if (!(val & 0x8)) {
+ val |= (0x1 << 2);
+ /* lock sector 63 */
+ if (netxen_rom_wrsr(adapter, val) == 0) {
+ ret = netxen_rom_wip_poll(adapter);
+ if (ret != FLASH_SUCCESS)
+ goto out_kfree;
+
+ /* lock SR writes */
+ ret = netxen_rom_wip_poll(adapter);
+ if (ret != FLASH_SUCCESS)
+ goto out_kfree;
+ }
+ }
+
+out_kfree:
+ kfree(buffer);
+ return ret;
+}
+
int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
{
netxen_rom_wren(adapter);
return netxen_rom_wip_poll(adapter);
}
+void check_erased_flash(struct netxen_adapter *adapter, int addr)
+{
+ int i;
+ int val;
+ int count = 0, erased_errors = 0;
+ int range;
+
+ range = (addr == NETXEN_USER_START) ?
+ NETXEN_FIXED_START : addr + NETXEN_FLASH_SECTOR_SIZE;
+
+ for (i = addr; i < range; i += 4) {
+ netxen_rom_fast_read(adapter, i, &val);
+ if (val != 0xffffffff)
+ erased_errors++;
+ count++;
+ }
+
+ if (erased_errors)
+ printk(KERN_INFO "0x%x out of 0x%x words fail to be erased "
+ "for sector address: %x\n", erased_errors, count, addr);
+}
+
int netxen_rom_se(struct netxen_adapter *adapter, int addr)
{
int ret = 0;
}
ret = netxen_do_rom_se(adapter, addr);
netxen_rom_unlock(adapter);
+ msleep(30);
+ check_erased_flash(adapter, addr);
+
+ return ret;
+}
+
+int
+netxen_flash_erase_sections(struct netxen_adapter *adapter, int start, int end)
+{
+ int ret = FLASH_SUCCESS;
+ int i;
+
+ for (i = start; i < end; i++) {
+ ret = netxen_rom_se(adapter, i * NETXEN_FLASH_SECTOR_SIZE);
+ if (ret)
+ break;
+ ret = netxen_rom_wip_poll(adapter);
+ if (ret < 0)
+ return ret;
+ }
+
+ return ret;
+}
+
+int
+netxen_flash_erase_secondary(struct netxen_adapter *adapter)
+{
+ int ret = FLASH_SUCCESS;
+ int start, end;
+
+ start = NETXEN_SECONDARY_START / NETXEN_FLASH_SECTOR_SIZE;
+ end = NETXEN_USER_START / NETXEN_FLASH_SECTOR_SIZE;
+ ret = netxen_flash_erase_sections(adapter, start, end);
+
+ return ret;
+}
+
+int
+netxen_flash_erase_primary(struct netxen_adapter *adapter)
+{
+ int ret = FLASH_SUCCESS;
+ int start, end;
+
+ start = NETXEN_PRIMARY_START / NETXEN_FLASH_SECTOR_SIZE;
+ end = NETXEN_SECONDARY_START / NETXEN_FLASH_SECTOR_SIZE;
+ ret = netxen_flash_erase_sections(adapter, start, end);
+
+ return ret;
+}
+
+void netxen_halt_pegs(struct netxen_adapter *adapter)
+{
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c, 1);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c, 1);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c, 1);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c, 1);
+}
+
+int netxen_flash_unlock(struct netxen_adapter *adapter)
+{
+ int ret = 0;
+
+ ret = netxen_rom_wrsr(adapter, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = netxen_rom_wren(adapter);
+ if (ret < 0)
+ return ret;
+
return ret;
}
int n, i;
int init_delay = 0;
struct crb_addr_pair *buf;
- unsigned long off;
+ u32 off;
/* resetall */
status = netxen_nic_get_board_info(adapter);
if (verbose)
printk("%s: PCI: 0x%08x == 0x%08x\n",
netxen_nic_driver_name, (unsigned int)
- netxen_decode_crb_addr((unsigned long)
- addr), val);
+ netxen_decode_crb_addr(addr), val);
}
for (i = 0; i < n; i++) {
- off =
- netxen_decode_crb_addr((unsigned long)buf[i].addr) +
- NETXEN_PCI_CRBSPACE;
+ off = netxen_decode_crb_addr(buf[i].addr);
+ if (off == NETXEN_ADDR_ERROR) {
+ printk(KERN_ERR"CRB init value out of range %x\n",
+ buf[i].addr);
+ continue;
+ }
+ off += NETXEN_PCI_CRBSPACE;
/* skipping cold reboot MAGIC */
if (off == NETXEN_CAM_RAM(0x1fc))
continue;
netxen_nic_pci_change_crbwindow(adapter, 1);
}
if (init_delay == 1) {
- ssleep(1);
+ msleep(2000);
init_delay = 0;
}
- msleep(1);
+ msleep(20);
}
kfree(buf);
return 0;
}
-void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
+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;
+ }
+}
+
+int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
{
u32 val = 0;
- int loops = 0;
+ int retries = 30;
if (!pegtune_val) {
- while (val != PHAN_INITIALIZE_COMPLETE && 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)
desc_head = recv_ctx->rcv_status_desc_head;
desc = &desc_head[consumer];
- if (((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST))
+ if (netxen_get_sts_owner(desc) & STATUS_OWNER_HOST)
return 1;
}
static inline int netxen_nic_check_temp(struct netxen_adapter *adapter)
{
- int port_num;
- struct netxen_port *port;
- struct net_device *netdev;
+ struct net_device *netdev = adapter->netdev;
uint32_t temp, temp_state, temp_val;
int rv = 0;
"%s: Device temperature %d degrees C exceeds"
" maximum allowed. Hardware has been shut down.\n",
netxen_nic_driver_name, temp_val);
- for (port_num = 0; port_num < adapter->ahw.max_ports;
- port_num++) {
- port = adapter->port[port_num];
- netdev = port->netdev;
- netif_carrier_off(netdev);
- netif_stop_queue(netdev);
- }
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
rv = 1;
} else if (temp_state == NX_TEMP_WARN) {
if (adapter->temp == NX_TEMP_NORMAL) {
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))
+ if ((adapter->portnum == 0) && netxen_nic_check_temp(adapter))
return;
- for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
- port = adapter->port[port_num];
- netdev = port->netdev;
-
- if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) {
- printk(KERN_INFO "%s port %d, %s carrier is now ok\n",
- netxen_nic_driver_name, port_num, netdev->name);
- netif_carrier_on(netdev);
- }
+ if (adapter->handle_phy_intr)
+ adapter->handle_phy_intr(adapter);
- if (netif_queue_stopped(netdev))
- netif_wake_queue(netdev);
+ netdev = adapter->netdev;
+ if ((netif_running(netdev)) && !netif_carrier_ok(netdev) &&
+ netxen_nic_link_ok(adapter) ) {
+ printk(KERN_INFO "%s %s (port %d), Link is up\n",
+ netxen_nic_driver_name, netdev->name, adapter->portnum);
+ netif_carrier_on(netdev);
+ netif_wake_queue(netdev);
+ } else if(!(netif_running(netdev)) && netif_carrier_ok(netdev)) {
+ printk(KERN_ERR "%s %s Link is Down\n",
+ netxen_nic_driver_name, netdev->name);
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
}
- 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 pci_dev *pdev = port->pdev;
- struct net_device *netdev = port->netdev;
- int index = le16_to_cpu(desc->reference_handle);
+ struct pci_dev *pdev = adapter->pdev;
+ struct net_device *netdev = adapter->netdev;
+ int index = 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 = 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)) {
- port->stats.csummed++;
+ if (likely(adapter->rx_csum &&
+ netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) {
+ adapter->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);
*/
switch (ret) {
case NET_RX_SUCCESS:
- port->stats.uphappy++;
+ adapter->stats.uphappy++;
break;
case NET_RX_CN_LOW:
- port->stats.uplcong++;
+ adapter->stats.uplcong++;
break;
case NET_RX_CN_MOD:
- port->stats.upmcong++;
+ adapter->stats.upmcong++;
break;
case NET_RX_CN_HIGH:
- port->stats.uphcong++;
+ adapter->stats.uphcong++;
break;
case NET_RX_DROP:
- port->stats.updropped++;
+ adapter->stats.updropped++;
break;
default:
- port->stats.updunno++;
+ adapter->stats.updunno++;
break;
}
/*
* We just consumed one buffer so post a buffer.
*/
- 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;
+ adapter->stats.no_rcv++;
+ adapter->stats.rxbytes += length;
}
/* Process Receive status ring */
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 (!(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, 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);
}
}
/* update the consumer index in phantom */
if (count) {
- adapter->stats.process_rcv++;
recv_ctx->status_rx_consumer = consumer;
+ recv_ctx->status_rx_producer = producer;
/* Window = 1 */
writel(consumer,
NETXEN_CRB_NORMALIZE(adapter,
- recv_crb_registers[ctxid].
+ recv_crb_registers[adapter->portnum].
crb_rcv_status_consumer));
+ wmb();
}
return count;
}
/* 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;
struct pci_dev *pdev;
struct netxen_skb_frag *frag;
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 = le32_to_cpu(*(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++;
- adapter->stats.process_xmit++;
/*
* Not needed - does not seem to be used anywhere.
* adapter->cmd_consumer = consumer;
*/
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;
+ pdev = adapter->pdev;
frag = &buffer->frag_array[0];
skb = buffer->skb;
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;
}
- port->stats.skbfreed++;
+ adapter->stats.skbfreed++;
dev_kfree_skb_any(skb);
skb = NULL;
} else if (adapter->proc_cmd_buf_counter == 1) {
- port->stats.txnullskb++;
+ adapter->stats.txnullskb++;
}
- if (unlikely(netif_queue_stopped(port->netdev)
- && netif_carrier_ok(port->netdev))
- && ((jiffies - port->netdev->trans_start) >
- port->netdev->watchdog_timeo)) {
- schedule_work(&port->adapter->tx_timeout_task);
+ if (unlikely(netif_queue_stopped(adapter->netdev)
+ && netif_carrier_ok(adapter->netdev))
+ && ((jiffies - adapter->netdev->trans_start) >
+ adapter->netdev->watchdog_timeo)) {
+ SCHEDULE_WORK(&adapter->tx_timeout_task);
}
last_consumer = get_next_index(last_consumer,
adapter->max_tx_desc_count);
- count++;
+ count1++;
}
- adapter->stats.noxmitdone += count;
- 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) {
- for (p = 0; p < adapter->ahw.max_ports; p++) {
- nport = adapter->port[p];
- if (netif_queue_stopped(nport->netdev)
- && (nport->flags & NETXEN_NETDEV_STATUS)) {
- netif_wake_queue(nport->netdev);
- nport->flags &= ~NETXEN_NETDEV_STATUS;
- }
+ if (count1 || count2) {
+ if (netif_queue_stopped(adapter->netdev)
+ && (adapter->flags & NETXEN_NETDEV_STATUS)) {
+ netif_wake_queue(adapter->netdev);
+ adapter->flags &= ~NETXEN_NETDEV_STATUS;
}
}
+ /*
+ * 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 = le32_to_cpu(*(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];
- skb_reserve(skb, NET_IP_ALIGN);
+
+#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;
+ 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[
+ adapter->portnum].
+ 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, adapter->portnum);
+ netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
+ writel(msg,
+ DB_NORMALIZE(adapter,
+ NETXEN_RCV_PRODUCER_OFFSET));
+ wmb();
+ }
+ }
+}
+
+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;
+
+ 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, 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_le32(rcv_desc->dma_size);
pdesc->addr_buffer = cpu_to_le64(buffer->dma);
DPRINTK(INFO, "done writing descripter\n");
producer =
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;
writel((producer - 1) &
(rcv_desc->max_rx_desc_count - 1),
NETXEN_CRB_NORMALIZE(adapter,
- rcv_desc_crb->
+ recv_crb_registers[
+ adapter->portnum].
+ 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)
{
- struct netxen_port *port;
- int port_num;
-
memset(&adapter->stats, 0, sizeof(adapter->stats));
- for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
- port = adapter->port[port_num];
- memset(&port->stats, 0, sizeof(port->stats));
- }
-}
-
-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;
+ return;
}
-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://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff