#define NETXEN_NIC_XDMA_RESET 0x8000ff
-static inline void
-netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
- unsigned long off, int *data)
+static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
+ uint32_t ctx, uint32_t ringid);
+
+#if 0
+static void netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
+ unsigned long off, int *data)
{
void __iomem *addr = pci_base_offset(adapter, off);
writel(*data, addr);
}
+#endif /* 0 */
static void crb_addr_transform_setup(void)
{
/* Window 1 call */
writel(INTR_SCHEME_PERPORT,
NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_HOST));
+ writel(MSI_MODE_MULTIFUNC,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_HOST));
writel(MPORT_MULTI_FUNCTION_MODE,
NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
writel(PHAN_INITIALIZE_ACK,
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
struct netxen_rx_buffer *rx_buf;
rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
- rcv_desc->rcv_free = rcv_desc->max_rx_desc_count;
rcv_desc->begin_alloc = 0;
rx_buf = rcv_desc->rx_buf_arr;
num_rx_bufs = rcv_desc->max_rx_desc_count;
}
}
-void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
-{
- int ports = 0;
- struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);
-
- if (netxen_nic_get_board_info(adapter) != 0)
- printk("%s: Error getting board config info.\n",
- netxen_nic_driver_name);
- get_brd_port_by_type(board_info->board_type, &ports);
- if (ports == 0)
- printk(KERN_ERR "%s: Unknown board type\n",
- netxen_nic_driver_name);
- adapter->ahw.max_ports = ports;
-}
-
void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
{
switch (adapter->ahw.board_type) {
* netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
* address to external PCI CRB address.
*/
-u32 netxen_decode_crb_addr(u32 addr)
+static u32 netxen_decode_crb_addr(u32 addr)
{
int i;
u32 base_addr, offset, pci_base;
static long rom_lock_timeout = 10000;
static long rom_write_timeout = 700;
-static inline int rom_lock(struct netxen_adapter *adapter)
+static int rom_lock(struct netxen_adapter *adapter)
{
int iter;
u32 done = 0;
return 0;
}
-int netxen_wait_rom_done(struct netxen_adapter *adapter)
+static int netxen_wait_rom_done(struct netxen_adapter *adapter)
{
long timeout = 0;
long done = 0;
return 0;
}
-static inline int netxen_rom_wren(struct netxen_adapter *adapter)
+static int netxen_rom_wren(struct netxen_adapter *adapter)
{
/* Set write enable latch in ROM status register */
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
return 0;
}
-static inline unsigned int netxen_rdcrbreg(struct netxen_adapter *adapter,
- unsigned int addr)
+static unsigned int netxen_rdcrbreg(struct netxen_adapter *adapter,
+ unsigned int addr)
{
unsigned int data = 0xdeaddead;
data = netxen_nic_reg_read(adapter, addr);
return data;
}
-static inline int netxen_do_rom_rdsr(struct netxen_adapter *adapter)
+static int netxen_do_rom_rdsr(struct netxen_adapter *adapter)
{
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
M25P_INSTR_RDSR);
return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA);
}
-static inline void netxen_rom_unlock(struct netxen_adapter *adapter)
+static void netxen_rom_unlock(struct netxen_adapter *adapter)
{
u32 val;
}
-int netxen_rom_wip_poll(struct netxen_adapter *adapter)
+static int netxen_rom_wip_poll(struct netxen_adapter *adapter)
{
long timeout = 0;
long wip = 1;
return 0;
}
-static inline int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
- int data)
+static int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
+ int data)
{
if (netxen_rom_wren(adapter)) {
return -1;
return netxen_rom_wip_poll(adapter);
}
-static inline int
-do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+static int do_rom_fast_read(struct netxen_adapter *adapter,
+ int addr, int *valp)
{
cond_resched();
return 0;
}
-static inline int
-do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
- u8 *bytes, size_t size)
+static 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);
+ int v;
+ ret = do_rom_fast_read(adapter, addridx, &v);
if (ret != 0)
break;
- *(int *)bytes = cpu_to_le32(*(int *)bytes);
+ *(__le32 *)bytes = cpu_to_le32(v);
bytes += 4;
}
}
int
-netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
+netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size)
{
int ret;
return ret;
}
+#if 0
int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
{
int ret = 0;
netxen_rom_unlock(adapter);
return ret;
}
+#endif /* 0 */
-static inline int do_rom_fast_write_words(struct netxen_adapter *adapter,
- int addr, u8 *bytes, size_t size)
+static int do_rom_fast_write_words(struct netxen_adapter *adapter,
+ int addr, u8 *bytes, size_t size)
{
int addridx = addr;
int ret = 0;
int timeout = 0;
int data;
- data = le32_to_cpu((*(u32*)bytes));
+ data = le32_to_cpu((*(__le32*)bytes));
ret = do_rom_fast_write(adapter, addridx, data);
if (ret < 0)
return ret;
-
+
while(1) {
int data1;
if (timeout++ >= rom_write_timeout) {
if (last_attempt++ < 4) {
- ret = do_rom_fast_write(adapter,
+ ret = do_rom_fast_write(adapter,
addridx, data);
if (ret < 0)
return ret;
return ret;
}
-int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
+int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size)
{
int ret = 0;
return ret;
}
-int netxen_rom_wrsr(struct netxen_adapter *adapter, int data)
+static int netxen_rom_wrsr(struct netxen_adapter *adapter, int data)
{
int ret;
return ret;
netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_ROM_WDATA, data);
- netxen_crb_writelit_adapter(adapter,
+ netxen_crb_writelit_adapter(adapter,
NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0x1);
ret = netxen_wait_rom_done(adapter);
return netxen_rom_wip_poll(adapter);
}
-int netxen_rom_rdsr(struct netxen_adapter *adapter)
+static int netxen_rom_rdsr(struct netxen_adapter *adapter)
{
int ret;
char *buffer = kmalloc(NETXEN_FLASH_SECTOR_SIZE, GFP_KERNEL);
if (!buffer)
- return -ENOMEM;
+ return -ENOMEM;
/* unlock sector 63 */
val = netxen_rom_rdsr(adapter);
val = val & 0xe3;
goto out_kfree;
/* copy sector 0 to sector 63 */
- ret = netxen_rom_fast_read_words(adapter, NETXEN_CRBINIT_START,
+ 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,
+ ret = netxen_rom_fast_write_words(adapter, NETXEN_FIXED_START,
buffer, NETXEN_FLASH_SECTOR_SIZE);
if (ret != FLASH_SUCCESS)
goto out_kfree;
return ret;
}
-int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
+static int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
{
netxen_rom_wren(adapter);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
return netxen_rom_wip_poll(adapter);
}
-void check_erased_flash(struct netxen_adapter *adapter, int addr)
+static 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) ?
+ 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)
return ret;
}
-int
-netxen_flash_erase_sections(struct netxen_adapter *adapter, int start, int end)
+static int netxen_flash_erase_sections(struct netxen_adapter *adapter,
+ int start, int end)
{
int ret = FLASH_SUCCESS;
int i;
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
{
- int addr, val, status;
+ int addr, val;
int n, i;
int init_delay = 0;
struct crb_addr_pair *buf;
u32 off;
/* resetall */
- status = netxen_nic_get_board_info(adapter);
- if (status)
- printk("%s: netxen_pinit_from_rom: Error getting board info\n",
- netxen_nic_driver_name);
-
netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
NETXEN_ROMBUS_RESET);
netxen_nic_pci_change_crbwindow(adapter, 1);
}
if (init_delay == 1) {
- msleep(2000);
+ msleep(1000);
init_delay = 0;
}
- msleep(20);
+ msleep(1);
}
kfree(buf);
void netxen_free_adapter_offload(struct netxen_adapter *adapter)
{
+ int i;
+
if (adapter->dummy_dma.addr) {
- pci_free_consistent(adapter->ahw.pdev,
+ i = 100;
+ do {
+ if (dma_watchdog_shutdown_request(adapter) == 1)
+ break;
+ msleep(50);
+ if (dma_watchdog_shutdown_poll_result(adapter) == 1)
+ break;
+ } while (--i);
+
+ if (i) {
+ 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;
+ adapter->dummy_dma.addr = NULL;
+ } else {
+ printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+ adapter->netdev->name);
+ }
}
}
return 0;
}
-int netxen_nic_rx_has_work(struct netxen_adapter *adapter)
-{
- int ctx;
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- struct netxen_recv_context *recv_ctx =
- &(adapter->recv_ctx[ctx]);
- u32 consumer;
- struct status_desc *desc_head;
- struct status_desc *desc;
-
- consumer = recv_ctx->status_rx_consumer;
- desc_head = recv_ctx->rcv_status_desc_head;
- desc = &desc_head[consumer];
-
- if (netxen_get_sts_owner(desc) & STATUS_OWNER_HOST)
- return 1;
- }
-
- return 0;
-}
-
-static inline int netxen_nic_check_temp(struct netxen_adapter *adapter)
+static int netxen_nic_check_temp(struct netxen_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
uint32_t temp, temp_state, temp_val;
void netxen_watchdog_task(struct work_struct *work)
{
- struct net_device *netdev;
struct netxen_adapter *adapter =
container_of(work, struct netxen_adapter, watchdog_task);
if (adapter->handle_phy_intr)
adapter->handle_phy_intr(adapter);
- 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);
- }
-
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
}
* and if the number of receives exceeds RX_BUFFERS_REFILL, then we
* invoke the routine to send more rx buffers to the Phantom...
*/
-void
-netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
- struct status_desc *desc)
+static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
+ struct status_desc *desc)
{
struct pci_dev *pdev = adapter->pdev;
struct net_device *netdev = adapter->netdev;
}
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"
+ 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,
skb = (struct sk_buff *)buffer->skb;
if (likely(adapter->rx_csum &&
- netxen_get_sts_status(sts_data) == STATUS_CKSUM_OK)) {
+ netxen_get_sts_status(sts_data) == STATUS_CKSUM_OK)) {
adapter->stats.csummed++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else
skb->protocol = eth_type_trans(skb, netdev);
ret = netif_receive_skb(skb);
-
- /*
- * RH: Do we need these stats on a regular basis. Can we get it from
- * Linux stats.
- */
- switch (ret) {
- case NET_RX_SUCCESS:
- adapter->stats.uphappy++;
- break;
-
- case NET_RX_CN_LOW:
- adapter->stats.uplcong++;
- break;
-
- case NET_RX_CN_MOD:
- adapter->stats.upmcong++;
- break;
-
- case NET_RX_CN_HIGH:
- adapter->stats.uphcong++;
- break;
-
- case NET_RX_DROP:
- adapter->stats.updropped++;
- break;
-
- default:
- adapter->stats.updunno++;
- break;
- }
-
netdev->last_rx = jiffies;
- rcv_desc->rcv_free++;
rcv_desc->rcv_pending--;
/*
u32 producer = 0;
int count = 0, ring;
- DPRINTK(INFO, "procesing receive\n");
- /*
- * we assume in this case that there is only one port and that is
- * port #1...changes need to be done in firmware to indicate port
- * number as part of the descriptor. This way we will be able to get
- * the netdev which is associated with that device.
- */
while (count < max) {
desc = &desc_head[consumer];
if (!(netxen_get_sts_owner(desc) & STATUS_OWNER_HOST)) {
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_nodb(adapter, ctxid, ring);
- }
- }
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+ netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
/* update the consumer index in phantom */
if (count) {
/* Window = 1 */
writel(consumer,
NETXEN_CRB_NORMALIZE(adapter,
- recv_crb_registers[adapter->portnum].
+ recv_crb_registers[adapter->portnum].
crb_rcv_status_consumer));
- wmb();
}
return count;
}
/* Process Command status ring */
-int netxen_process_cmd_ring(unsigned long data)
+int netxen_process_cmd_ring(struct netxen_adapter *adapter)
{
- u32 last_consumer;
- u32 consumer;
- struct netxen_adapter *adapter = (struct netxen_adapter *)data;
- int count1 = 0;
- int count2 = 0;
+ u32 last_consumer, consumer;
+ int count = 0, i;
struct netxen_cmd_buffer *buffer;
- struct pci_dev *pdev;
+ struct pci_dev *pdev = adapter->pdev;
+ struct net_device *netdev = adapter->netdev;
struct netxen_skb_frag *frag;
- u32 i;
- int done;
+ int done = 0;
- spin_lock(&adapter->tx_lock);
last_consumer = adapter->last_cmd_consumer;
- DPRINTK(INFO, "procesing xmit complete\n");
- /* we assume in this case that there is only one port and that is
- * port #1...changes need to be done in firmware to indicate port
- * number as part of the descriptor. This way we will be able to get
- * the netdev which is associated with that device.
- */
-
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 1;
- }
-
- adapter->proc_cmd_buf_counter++;
- /*
- * Not needed - does not seem to be used anywhere.
- * adapter->cmd_consumer = consumer;
- */
- spin_unlock(&adapter->tx_lock);
- while ((last_consumer != consumer) && (count1 < MAX_STATUS_HANDLE)) {
+ while (last_consumer != consumer) {
buffer = &adapter->cmd_buf_arr[last_consumer];
- pdev = adapter->pdev;
if (buffer->skb) {
frag = &buffer->frag_array[0];
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++;
+ adapter->stats.xmitfinished++;
dev_kfree_skb_any(buffer->skb);
buffer->skb = NULL;
- } else if (adapter->proc_cmd_buf_counter == 1) {
- adapter->stats.txnullskb++;
- }
- 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);
- count1++;
+ if (++count >= MAX_STATUS_HANDLE)
+ break;
}
- count2 = 0;
- spin_lock(&adapter->tx_lock);
- if ((--adapter->proc_cmd_buf_counter) == 0) {
+ if (count) {
adapter->last_cmd_consumer = last_consumer;
- while ((adapter->last_cmd_consumer != consumer)
- && (count2 < MAX_STATUS_HANDLE)) {
- buffer =
- &adapter->cmd_buf_arr[adapter->last_cmd_consumer];
- count2++;
- if (buffer->skb)
- break;
- else
- adapter->last_cmd_consumer =
- get_next_index(adapter->last_cmd_consumer,
- adapter->max_tx_desc_count);
- }
- }
- if (count1 || count2) {
- if (netif_queue_stopped(adapter->netdev)
- && (adapter->flags & NETXEN_NETDEV_STATUS)) {
- netif_wake_queue(adapter->netdev);
- adapter->flags &= ~NETXEN_NETDEV_STATUS;
+ smp_mb();
+ if (netif_queue_stopped(netdev) && netif_running(netdev)) {
+ netif_tx_lock(netdev);
+ netif_wake_queue(netdev);
+ smp_mb();
+ netif_tx_unlock(netdev);
}
}
/*
* 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);
+ consumer = le32_to_cpu(*(adapter->cmd_consumer));
+ done = (last_consumer == consumer);
- spin_unlock(&adapter->tx_lock);
- DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer,
- __FUNCTION__);
return (done);
}
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),
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)
+static 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;
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
* skb->dev = netdev;
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),
rcv_desc_crb[ringid].
crb_rcv_producer_offset));
wmb();
- }
}
}
-int netxen_nic_tx_has_work(struct netxen_adapter *adapter)
-{
- if (find_diff_among(adapter->last_cmd_consumer,
- adapter->cmd_producer,
- adapter->max_tx_desc_count) > 0)
- return 1;
-
- return 0;
-}
-
-
void netxen_nic_clear_stats(struct netxen_adapter *adapter)
{
memset(&adapter->stats, 0, sizeof(adapter->stats));