[PATCH] NetXen: temp monitoring, newer firmware support, mm footprint reduction
NetXen: 1G/10G Ethernet Driver updates
- Temparature monitoring and device control
- Memory footprint reduction
- Driver changes to support newer version of firmware
Signed-off-by: Amit S. Kale <amitkale@netxen.com>
netxen_nic.h | 165 ++++++++++++++++++++++++++++++++--
netxen_nic_ethtool.c | 89 ++++++++++++------
netxen_nic_hdr.h | 71 +++++++++++++-
netxen_nic_hw.c | 206 +++++++++++++++++++++++++++++--------------
netxen_nic_hw.h | 8 +
netxen_nic_init.c | 239 +++++++++++++++++++++++++++++++++++++++++---------
netxen_nic_ioctl.h | 12 +-
netxen_nic_isr.c | 54 +++++------
netxen_nic_main.c | 121 +++++++++++++++++--------
netxen_nic_niu.c | 172 +++++++++++++++++++++++++++--------
netxen_nic_phan_reg.h | 24 ++++-
11 files changed, 891 insertions(+), 270 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index d122e51..0dca029 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -51,11 +51,13 @@
crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20
+#define NETXEN_NIC_XDMA_RESET 0x8000ff
+
static inline void
netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
unsigned long off, int *data)
{
- void __iomem *addr = (adapter->ahw.pci_base + off);
+ void __iomem *addr = pci_base_offset(adapter, off);
writel(*data, addr);
}
@@ -141,6 +143,24 @@
return err;
}
+#define NETXEN_ADDR_LIMIT 0xffffffffULL
+
+void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
+ struct pci_dev **used_dev)
+{
+ void *addr;
+
+ addr = pci_alloc_consistent(pdev, sz, ptr);
+ if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) {
+ *used_dev = pdev;
+ return addr;
+ }
+ pci_free_consistent(pdev, sz, addr, *ptr);
+ addr = pci_alloc_consistent(NULL, sz, ptr);
+ *used_dev = NULL;
+ return addr;
+}
+
void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
{
int ctxid, ring;
@@ -177,23 +197,17 @@
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);
-
- switch (adapter->ahw.board_type) {
- case NETXEN_NIC_GBE:
- adapter->ahw.max_ports = 4;
- break;
-
- case NETXEN_NIC_XGBE:
- adapter->ahw.max_ports = 1;
- break;
-
- default:
+ 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)
@@ -225,6 +239,7 @@
ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
ops->macaddr_set = netxen_niu_xg_macaddr_set;
ops->set_mtu = netxen_nic_set_mtu_xgb;
+ ops->init_port = netxen_niu_xg_init_port;
ops->set_promisc = netxen_niu_xg_set_promiscuous_mode;
ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
ops->stop_port = netxen_niu_disable_xg_port;
@@ -295,15 +310,6 @@
return 0;
}
-static inline void rom_unlock(struct netxen_adapter *adapter)
-{
- u32 val;
-
- /* release semaphore2 */
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
-
-}
-
int netxen_wait_rom_done(struct netxen_adapter *adapter)
{
long timeout = 0;
@@ -321,6 +327,81 @@
return 0;
}
+static inline 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);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
+ M25P_INSTR_WREN);
+ if (netxen_wait_rom_done(adapter)) {
+ return -1;
+ }
+ return 0;
+}
+
+static inline 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)
+{
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
+ M25P_INSTR_RDSR);
+ if (netxen_wait_rom_done(adapter)) {
+ return -1;
+ }
+ return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA);
+}
+
+static inline void netxen_rom_unlock(struct netxen_adapter *adapter)
+{
+ u32 val;
+
+ /* release semaphore2 */
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
+
+}
+
+int netxen_rom_wip_poll(struct netxen_adapter *adapter)
+{
+ long timeout = 0;
+ long wip = 1;
+ int val;
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
+ while (wip != 0) {
+ val = netxen_do_rom_rdsr(adapter);
+ wip = val & 1;
+ timeout++;
+ if (timeout > rom_max_timeout) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static inline int do_rom_fast_write(struct netxen_adapter *adapter,
+ int addr, int data)
+{
+ if (netxen_rom_wren(adapter)) {
+ return -1;
+ }
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_WDATA, data);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
+ M25P_INSTR_PP);
+ if (netxen_wait_rom_done(adapter)) {
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
+ return -1;
+ }
+
+ return netxen_rom_wip_poll(adapter);
+}
+
static inline int
do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
@@ -350,7 +431,43 @@
return -EIO;
ret = do_rom_fast_read(adapter, addr, valp);
- rom_unlock(adapter);
+ netxen_rom_unlock(adapter);
+ return ret;
+}
+
+int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
+{
+ int ret = 0;
+
+ if (rom_lock(adapter) != 0) {
+ return -1;
+ }
+ ret = do_rom_fast_write(adapter, addr, data);
+ netxen_rom_unlock(adapter);
+ return ret;
+}
+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);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
+ M25P_INSTR_SE);
+ if (netxen_wait_rom_done(adapter)) {
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
+ return -1;
+ }
+ return netxen_rom_wip_poll(adapter);
+}
+
+int netxen_rom_se(struct netxen_adapter *adapter, int addr)
+{
+ int ret = 0;
+ if (rom_lock(adapter) != 0) {
+ return -1;
+ }
+ ret = netxen_do_rom_se(adapter, addr);
+ netxen_rom_unlock(adapter);
return ret;
}
@@ -372,7 +489,7 @@
/* resetall */
status = netxen_nic_get_board_info(adapter);
if (status)
- printk("%s: pinit_from_rom: Error getting board info\n",
+ 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,
@@ -408,8 +525,8 @@
}
buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
if (buf == NULL) {
- printk("%s: pinit_from_rom: Unable to calloc memory.\n",
- netxen_nic_driver_name);
+ printk("%s: netxen_pinit_from_rom: Unable to calloc "
+ "memory.\n", netxen_nic_driver_name);
return -ENOMEM;
}
for (i = 0; i < n; i++) {
@@ -441,7 +558,7 @@
if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
init_delay = 1;
/* hold xdma in reset also */
- buf[i].data = 0x8000ff;
+ buf[i].data = NETXEN_NIC_XDMA_RESET;
}
if (ADDR_IN_WINDOW1(off)) {
@@ -450,7 +567,7 @@
} else {
netxen_nic_pci_change_crbwindow(adapter, 0);
writel(buf[i].data,
- adapter->ahw.pci_base + off);
+ pci_base_offset(adapter, off));
netxen_nic_pci_change_crbwindow(adapter, 1);
}
@@ -505,18 +622,15 @@
return 0;
}
-void netxen_phantom_init(struct netxen_adapter *adapter)
+void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
{
u32 val = 0;
int loops = 0;
- netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, &val, 4);
- writel(1,
- NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
-
- if (0 == val) {
+ if (!pegtune_val) {
while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) {
udelay(100);
+ schedule();
val =
readl(NETXEN_CRB_NORMALIZE
(adapter, CRB_CMDPEG_STATE));
@@ -536,7 +650,7 @@
&(adapter->recv_ctx[ctx]);
u32 consumer;
struct status_desc *desc_head;
- struct status_desc *desc; /* used to read status desc here */
+ struct status_desc *desc;
consumer = recv_ctx->status_rx_consumer;
desc_head = recv_ctx->rcv_status_desc_head;
@@ -549,6 +663,53 @@
return 0;
}
+static inline int netxen_nic_check_temp(struct netxen_adapter *adapter)
+{
+ int port_num;
+ struct netxen_port *port;
+ struct net_device *netdev;
+ uint32_t temp, temp_state, temp_val;
+ int rv = 0;
+
+ temp = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_TEMP_STATE));
+
+ temp_state = nx_get_temp_state(temp);
+ temp_val = nx_get_temp_val(temp);
+
+ if (temp_state == NX_TEMP_PANIC) {
+ printk(KERN_ALERT
+ "%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);
+ }
+ rv = 1;
+ } else if (temp_state == NX_TEMP_WARN) {
+ if (adapter->temp == NX_TEMP_NORMAL) {
+ printk(KERN_ALERT
+ "%s: Device temperature %d degrees C "
+ "exceeds operating range."
+ " Immediate action needed.\n",
+ netxen_nic_driver_name, temp_val);
+ }
+ } else {
+ if (adapter->temp == NX_TEMP_WARN) {
+ printk(KERN_INFO
+ "%s: Device temperature is now %d degrees C"
+ " in normal range.\n", netxen_nic_driver_name,
+ temp_val);
+ }
+ }
+ adapter->temp = temp_state;
+ return rv;
+}
+
void netxen_watchdog_task(unsigned long v)
{
int port_num;
@@ -556,6 +717,9 @@
struct net_device *netdev;
struct netxen_adapter *adapter = (struct netxen_adapter *)v;
+ if (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;
@@ -570,8 +734,6 @@
netif_wake_queue(netdev);
}
- netxen_nic_pci_change_crbwindow(adapter, 1);
-
if (adapter->ops->handle_phy_intr)
adapter->ops->handle_phy_intr(adapter);
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
@@ -742,7 +904,6 @@
* number as part of the descriptor. This way we will be able to get
* the netdev which is associated with that device.
*/
- /* Window = 1 */
consumer =
readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
@@ -861,7 +1022,7 @@
* We need to schedule the posting of buffers to the pegs.
*/
rcv_desc->begin_alloc = index;
- DPRINTK(ERR, "unm_post_rx_buffers: "
+ DPRINTK(ERR, "netxen_post_rx_buffers: "
" allocated only %d buffers\n", count);
break;
}