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path: root/drivers/net/netxen/netxen_nic_init.c
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Diffstat (limited to 'drivers/net/netxen/netxen_nic_init.c')
-rw-r--r--drivers/net/netxen/netxen_nic_init.c109
1 files changed, 57 insertions, 52 deletions
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index d924468e506..ffd37bea162 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -308,7 +308,6 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
}
memset(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE);
INIT_LIST_HEAD(&rds_ring->free_list);
- rds_ring->begin_alloc = 0;
/*
* Now go through all of them, set reference handles
* and put them in the queues.
@@ -439,6 +438,8 @@ static int netxen_wait_rom_done(struct netxen_adapter *adapter)
long timeout = 0;
long done = 0;
+ cond_resched();
+
while (done == 0) {
done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS);
done &= 2;
@@ -533,12 +534,9 @@ static int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
static 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 */
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
if (netxen_wait_rom_done(adapter)) {
printk("Error waiting for rom done\n");
@@ -546,7 +544,7 @@ static int do_rom_fast_read(struct netxen_adapter *adapter,
}
/* reset abyte_cnt and dummy_byte_cnt */
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
- udelay(100); /* prevent bursting on CRB */
+ udelay(10);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
*valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA);
@@ -884,14 +882,16 @@ int netxen_flash_unlock(struct netxen_adapter *adapter)
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
{
int addr, val;
- int i, init_delay = 0;
+ int i, n, init_delay = 0;
struct crb_addr_pair *buf;
- unsigned offset, n;
+ unsigned offset;
u32 off;
/* resetall */
+ rom_lock(adapter);
netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
0xffffffff);
+ netxen_rom_unlock(adapter);
if (verbose) {
if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
@@ -910,7 +910,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
- (n != 0xcafecafeUL) ||
+ (n != 0xcafecafe) ||
netxen_rom_fast_read(adapter, 4, &n) != 0) {
printk(KERN_ERR "%s: ERROR Reading crb_init area: "
"n: %08x\n", netxen_nic_driver_name, n);
@@ -947,8 +947,10 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
}
for (i = 0; i < n; i++) {
if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
- netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0)
+ netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
+ kfree(buf);
return -EIO;
+ }
buf[i].addr = addr;
buf[i].data = val;
@@ -975,6 +977,14 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
/* do not reset PCI */
if (off == (ROMUSB_GLB + 0xbc))
continue;
+ if (off == (ROMUSB_GLB + 0xa8))
+ continue;
+ if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
+ continue;
+ if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
+ continue;
+ if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
+ continue;
if (off == (NETXEN_CRB_PEG_NET_1 + 0x18))
buf[i].data = 0x1020;
/* skip the function enable register */
@@ -992,23 +1002,21 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
continue;
}
+ init_delay = 1;
/* After writing this register, HW needs time for CRB */
/* to quiet down (else crb_window returns 0xffffffff) */
if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
- init_delay = 1;
+ init_delay = 1000;
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
/* hold xdma in reset also */
buf[i].data = NETXEN_NIC_XDMA_RESET;
+ buf[i].data = 0x8000ff;
}
}
adapter->hw_write_wx(adapter, off, &buf[i].data, 4);
- if (init_delay == 1) {
- msleep(1000);
- init_delay = 0;
- }
- msleep(1);
+ msleep(init_delay);
}
kfree(buf);
@@ -1277,7 +1285,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
dev_kfree_skb_any(skb);
for (i = 0; i < nr_frags; i++) {
- index = frag_desc->frag_handles[i];
+ index = le16_to_cpu(frag_desc->frag_handles[i]);
skb = netxen_process_rxbuf(adapter,
rds_ring, index, cksum);
if (skb)
@@ -1428,7 +1436,6 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
int count = 0;
- int index = 0;
netxen_ctx_msg msg = 0;
dma_addr_t dma;
struct list_head *head;
@@ -1436,7 +1443,6 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
rds_ring = &recv_ctx->rds_rings[ringid];
producer = rds_ring->producer;
- index = rds_ring->begin_alloc;
head = &rds_ring->free_list;
/* We can start writing rx descriptors into the phantom memory. */
@@ -1444,39 +1450,37 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
skb = dev_alloc_skb(rds_ring->skb_size);
if (unlikely(!skb)) {
- rds_ring->begin_alloc = index;
break;
}
+ if (!adapter->ahw.cut_through)
+ skb_reserve(skb, 2);
+
+ dma = pci_map_single(pdev, skb->data,
+ rds_ring->dma_size, PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(pdev, dma)) {
+ dev_kfree_skb_any(skb);
+ break;
+ }
+
+ count++;
buffer = list_entry(head->next, struct netxen_rx_buffer, list);
list_del(&buffer->list);
- count++; /* now there should be no failure */
- pdesc = &rds_ring->desc_head[producer];
-
- if (!adapter->ahw.cut_through)
- 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, rds_ring->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 = &rds_ring->desc_head[producer];
+ pdesc->addr_buffer = cpu_to_le64(dma);
pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
- DPRINTK(INFO, "done writing descripter\n");
- producer =
- get_next_index(producer, rds_ring->max_rx_desc_count);
- index = get_next_index(index, rds_ring->max_rx_desc_count);
+
+ producer = get_next_index(producer, rds_ring->max_rx_desc_count);
}
/* if we did allocate buffers, then write the count to Phantom */
if (count) {
- rds_ring->begin_alloc = index;
rds_ring->producer = producer;
/* Window = 1 */
adapter->pci_write_normalize(adapter,
@@ -1515,49 +1519,50 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
int count = 0;
- int index = 0;
struct list_head *head;
+ dma_addr_t dma;
rds_ring = &recv_ctx->rds_rings[ringid];
producer = rds_ring->producer;
- index = rds_ring->begin_alloc;
head = &rds_ring->free_list;
/* We can start writing rx descriptors into the phantom memory. */
while (!list_empty(head)) {
skb = dev_alloc_skb(rds_ring->skb_size);
if (unlikely(!skb)) {
- rds_ring->begin_alloc = index;
break;
}
+ if (!adapter->ahw.cut_through)
+ skb_reserve(skb, 2);
+
+ dma = pci_map_single(pdev, skb->data,
+ rds_ring->dma_size, PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(pdev, dma)) {
+ dev_kfree_skb_any(skb);
+ break;
+ }
+
+ count++;
buffer = list_entry(head->next, struct netxen_rx_buffer, list);
list_del(&buffer->list);
- count++; /* now there should be no failure */
- pdesc = &rds_ring->desc_head[producer];
- if (!adapter->ahw.cut_through)
- skb_reserve(skb, 2);
buffer->skb = skb;
buffer->state = NETXEN_BUFFER_BUSY;
- buffer->dma = pci_map_single(pdev, skb->data,
- rds_ring->dma_size,
- PCI_DMA_FROMDEVICE);
+ buffer->dma = dma;
/* make a rcv descriptor */
+ pdesc = &rds_ring->desc_head[producer];
pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
pdesc->addr_buffer = cpu_to_le64(buffer->dma);
- producer =
- get_next_index(producer, rds_ring->max_rx_desc_count);
- index = get_next_index(index, rds_ring->max_rx_desc_count);
- buffer = &rds_ring->rx_buf_arr[index];
+
+ producer = get_next_index(producer, rds_ring->max_rx_desc_count);
}
/* if we did allocate buffers, then write the count to Phantom */
if (count) {
- rds_ring->begin_alloc = index;
rds_ring->producer = producer;
/* Window = 1 */
adapter->pci_write_normalize(adapter,
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 07:35:15 +0000