2 * Copyright (C) 2003 - 2006 NetXen, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
30 * Source file for NIC routines to initialize the Phantom Hardware
34 #include <linux/netdevice.h>
35 #include <linux/delay.h>
36 #include "netxen_nic.h"
37 #include "netxen_nic_hw.h"
38 #include "netxen_nic_ioctl.h"
39 #include "netxen_nic_phan_reg.h"
41 struct crb_addr_pair {
46 #define NETXEN_MAX_CRB_XFORM 60
47 static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
48 #define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff )
50 #define crb_addr_transform(name) \
51 crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
52 NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20
54 #define NETXEN_NIC_XDMA_RESET 0x8000ff
57 netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
58 unsigned long off, int *data)
60 void __iomem *addr = pci_base_offset(adapter, off);
64 static void crb_addr_transform_setup(void)
66 crb_addr_transform(XDMA);
67 crb_addr_transform(TIMR);
68 crb_addr_transform(SRE);
69 crb_addr_transform(SQN3);
70 crb_addr_transform(SQN2);
71 crb_addr_transform(SQN1);
72 crb_addr_transform(SQN0);
73 crb_addr_transform(SQS3);
74 crb_addr_transform(SQS2);
75 crb_addr_transform(SQS1);
76 crb_addr_transform(SQS0);
77 crb_addr_transform(RPMX7);
78 crb_addr_transform(RPMX6);
79 crb_addr_transform(RPMX5);
80 crb_addr_transform(RPMX4);
81 crb_addr_transform(RPMX3);
82 crb_addr_transform(RPMX2);
83 crb_addr_transform(RPMX1);
84 crb_addr_transform(RPMX0);
85 crb_addr_transform(ROMUSB);
86 crb_addr_transform(SN);
87 crb_addr_transform(QMN);
88 crb_addr_transform(QMS);
89 crb_addr_transform(PGNI);
90 crb_addr_transform(PGND);
91 crb_addr_transform(PGN3);
92 crb_addr_transform(PGN2);
93 crb_addr_transform(PGN1);
94 crb_addr_transform(PGN0);
95 crb_addr_transform(PGSI);
96 crb_addr_transform(PGSD);
97 crb_addr_transform(PGS3);
98 crb_addr_transform(PGS2);
99 crb_addr_transform(PGS1);
100 crb_addr_transform(PGS0);
101 crb_addr_transform(PS);
102 crb_addr_transform(PH);
103 crb_addr_transform(NIU);
104 crb_addr_transform(I2Q);
105 crb_addr_transform(EG);
106 crb_addr_transform(MN);
107 crb_addr_transform(MS);
108 crb_addr_transform(CAS2);
109 crb_addr_transform(CAS1);
110 crb_addr_transform(CAS0);
111 crb_addr_transform(CAM);
112 crb_addr_transform(C2C1);
113 crb_addr_transform(C2C0);
116 int netxen_init_firmware(struct netxen_adapter *adapter)
118 u32 state = 0, loops = 0, err = 0;
121 state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
123 if (state == PHAN_INITIALIZE_ACK)
126 while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
129 state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
134 printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n",
140 writel(MPORT_SINGLE_FUNCTION_MODE,
141 NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
142 writel(PHAN_INITIALIZE_ACK,
143 NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
148 #define NETXEN_ADDR_LIMIT 0xffffffffULL
150 void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
151 struct pci_dev **used_dev)
155 addr = pci_alloc_consistent(pdev, sz, ptr);
156 if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) {
160 pci_free_consistent(pdev, sz, addr, *ptr);
161 addr = pci_alloc_consistent(NULL, sz, ptr);
166 void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
171 struct netxen_rcv_desc_ctx *rcv_desc;
173 DPRINTK(INFO, "initializing some queues: %p\n", adapter);
174 for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
175 for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
176 struct netxen_rx_buffer *rx_buf;
177 rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
178 rcv_desc->rcv_free = rcv_desc->max_rx_desc_count;
179 rcv_desc->begin_alloc = 0;
180 rx_buf = rcv_desc->rx_buf_arr;
181 num_rx_bufs = rcv_desc->max_rx_desc_count;
183 * Now go through all of them, set reference handles
184 * and put them in the queues.
186 for (i = 0; i < num_rx_bufs; i++) {
187 rx_buf->ref_handle = i;
188 rx_buf->state = NETXEN_BUFFER_FREE;
189 DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
190 "%p\n", ctxid, i, rx_buf);
197 void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
200 struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);
202 if (netxen_nic_get_board_info(adapter) != 0)
203 printk("%s: Error getting board config info.\n",
204 netxen_nic_driver_name);
205 get_brd_port_by_type(board_info->board_type, &ports);
207 printk(KERN_ERR "%s: Unknown board type\n",
208 netxen_nic_driver_name);
209 adapter->ahw.max_ports = ports;
212 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
214 switch (adapter->ahw.board_type) {
216 adapter->enable_phy_interrupts =
217 netxen_niu_gbe_enable_phy_interrupts;
218 adapter->disable_phy_interrupts =
219 netxen_niu_gbe_disable_phy_interrupts;
220 adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
221 adapter->macaddr_set = netxen_niu_macaddr_set;
222 adapter->set_mtu = netxen_nic_set_mtu_gb;
223 adapter->set_promisc = netxen_niu_set_promiscuous_mode;
224 adapter->unset_promisc = netxen_niu_set_promiscuous_mode;
225 adapter->phy_read = netxen_niu_gbe_phy_read;
226 adapter->phy_write = netxen_niu_gbe_phy_write;
227 adapter->init_port = netxen_niu_gbe_init_port;
228 adapter->init_niu = netxen_nic_init_niu_gb;
229 adapter->stop_port = netxen_niu_disable_gbe_port;
232 case NETXEN_NIC_XGBE:
233 adapter->enable_phy_interrupts =
234 netxen_niu_xgbe_enable_phy_interrupts;
235 adapter->disable_phy_interrupts =
236 netxen_niu_xgbe_disable_phy_interrupts;
237 adapter->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
238 adapter->macaddr_set = netxen_niu_xg_macaddr_set;
239 adapter->set_mtu = netxen_nic_set_mtu_xgb;
240 adapter->init_port = netxen_niu_xg_init_port;
241 adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode;
242 adapter->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
243 adapter->stop_port = netxen_niu_disable_xg_port;
252 * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
253 * address to external PCI CRB address.
255 unsigned long netxen_decode_crb_addr(unsigned long addr)
258 unsigned long base_addr, offset, pci_base;
260 crb_addr_transform_setup();
262 pci_base = NETXEN_ADDR_ERROR;
263 base_addr = addr & 0xfff00000;
264 offset = addr & 0x000fffff;
266 for (i = 0; i < NETXEN_MAX_CRB_XFORM; i++) {
267 if (crb_addr_xform[i] == base_addr) {
272 if (pci_base == NETXEN_ADDR_ERROR)
275 return (pci_base + offset);
278 static long rom_max_timeout = 10000;
279 static long rom_lock_timeout = 1000000;
281 static inline int rom_lock(struct netxen_adapter *adapter)
288 /* acquire semaphore2 from PCI HW block */
289 netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK),
293 if (timeout >= rom_lock_timeout)
303 for (iter = 0; iter < 20; iter++)
304 cpu_relax(); /*This a nop instr on i386 */
307 netxen_nic_reg_write(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
311 int netxen_wait_rom_done(struct netxen_adapter *adapter)
317 done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS);
320 if (timeout >= rom_max_timeout) {
321 printk("Timeout reached waiting for rom done");
328 static inline int netxen_rom_wren(struct netxen_adapter *adapter)
330 /* Set write enable latch in ROM status register */
331 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
332 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
334 if (netxen_wait_rom_done(adapter)) {
340 static inline unsigned int netxen_rdcrbreg(struct netxen_adapter *adapter,
343 unsigned int data = 0xdeaddead;
344 data = netxen_nic_reg_read(adapter, addr);
348 static inline int netxen_do_rom_rdsr(struct netxen_adapter *adapter)
350 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
352 if (netxen_wait_rom_done(adapter)) {
355 return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA);
358 static inline void netxen_rom_unlock(struct netxen_adapter *adapter)
362 /* release semaphore2 */
363 netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
367 int netxen_rom_wip_poll(struct netxen_adapter *adapter)
372 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
374 val = netxen_do_rom_rdsr(adapter);
377 if (timeout > rom_max_timeout) {
384 static inline int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
387 if (netxen_rom_wren(adapter)) {
390 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_WDATA, data);
391 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
392 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
393 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
395 if (netxen_wait_rom_done(adapter)) {
396 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
400 return netxen_rom_wip_poll(adapter);
404 do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
406 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
407 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
408 udelay(100); /* prevent bursting on CRB */
409 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
410 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
411 if (netxen_wait_rom_done(adapter)) {
412 printk("Error waiting for rom done\n");
415 /* reset abyte_cnt and dummy_byte_cnt */
416 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
417 udelay(100); /* prevent bursting on CRB */
418 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
420 *valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA);
424 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
428 if (rom_lock(adapter) != 0)
431 ret = do_rom_fast_read(adapter, addr, valp);
432 netxen_rom_unlock(adapter);
436 int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
440 if (rom_lock(adapter) != 0) {
443 ret = do_rom_fast_write(adapter, addr, data);
444 netxen_rom_unlock(adapter);
447 int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
449 netxen_rom_wren(adapter);
450 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
451 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
452 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
454 if (netxen_wait_rom_done(adapter)) {
455 netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
458 return netxen_rom_wip_poll(adapter);
461 int netxen_rom_se(struct netxen_adapter *adapter, int addr)
464 if (rom_lock(adapter) != 0) {
467 ret = netxen_do_rom_se(adapter, addr);
468 netxen_rom_unlock(adapter);
472 #define NETXEN_BOARDTYPE 0x4008
473 #define NETXEN_BOARDNUM 0x400c
474 #define NETXEN_CHIPNUM 0x4010
475 #define NETXEN_ROMBUS_RESET 0xFFFFFFFF
476 #define NETXEN_ROM_FIRST_BARRIER 0x800000000ULL
477 #define NETXEN_ROM_FOUND_INIT 0x400
479 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
481 int addr, val, status;
484 struct crb_addr_pair *buf;
488 status = netxen_nic_get_board_info(adapter);
490 printk("%s: netxen_pinit_from_rom: Error getting board info\n",
491 netxen_nic_driver_name);
493 netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
494 NETXEN_ROMBUS_RESET);
498 if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
499 printk("P2 ROM board type: 0x%08x\n", val);
501 printk("Could not read board type\n");
502 if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0)
503 printk("P2 ROM board num: 0x%08x\n", val);
505 printk("Could not read board number\n");
506 if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0)
507 printk("P2 ROM chip num: 0x%08x\n", val);
509 printk("Could not read chip number\n");
512 if (netxen_rom_fast_read(adapter, 0, &n) == 0
513 && (n & NETXEN_ROM_FIRST_BARRIER)) {
514 n &= ~NETXEN_ROM_ROUNDUP;
515 if (n < NETXEN_ROM_FOUND_INIT) {
517 printk("%s: %d CRB init values found"
518 " in ROM.\n", netxen_nic_driver_name, n);
520 printk("%s:n=0x%x Error! NetXen card flash not"
521 " initialized.\n", __FUNCTION__, n);
524 buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
526 printk("%s: netxen_pinit_from_rom: Unable to calloc "
527 "memory.\n", netxen_nic_driver_name);
530 for (i = 0; i < n; i++) {
531 if (netxen_rom_fast_read(adapter, 8 * i + 4, &val) != 0
532 || netxen_rom_fast_read(adapter, 8 * i + 8,
540 printk("%s: PCI: 0x%08x == 0x%08x\n",
541 netxen_nic_driver_name, (unsigned int)
542 netxen_decode_crb_addr((unsigned long)
545 for (i = 0; i < n; i++) {
548 netxen_decode_crb_addr((unsigned long)buf[i].addr) +
550 /* skipping cold reboot MAGIC */
551 if (off == NETXEN_CAM_RAM(0x1fc))
554 /* After writing this register, HW needs time for CRB */
555 /* to quiet down (else crb_window returns 0xffffffff) */
556 if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
558 /* hold xdma in reset also */
559 buf[i].data = NETXEN_NIC_XDMA_RESET;
562 if (ADDR_IN_WINDOW1(off)) {
564 NETXEN_CRB_NORMALIZE(adapter, off));
566 netxen_nic_pci_change_crbwindow(adapter, 0);
568 pci_base_offset(adapter, off));
570 netxen_nic_pci_change_crbwindow(adapter, 1);
572 if (init_delay == 1) {
580 /* disable_peg_cache_all */
582 /* unreset_net_cache */
583 netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val,
585 netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
587 /* p2dn replyCount */
588 netxen_crb_writelit_adapter(adapter,
589 NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
590 /* disable_peg_cache 0 */
591 netxen_crb_writelit_adapter(adapter,
592 NETXEN_CRB_PEG_NET_D + 0x4c, 8);
593 /* disable_peg_cache 1 */
594 netxen_crb_writelit_adapter(adapter,
595 NETXEN_CRB_PEG_NET_I + 0x4c, 8);
600 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8,
602 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc,
605 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8,
607 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc,
610 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8,
612 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc,
615 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8,
617 netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc,
623 int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
629 adapter->dummy_dma.addr =
630 pci_alloc_consistent(adapter->ahw.pdev,
631 NETXEN_HOST_DUMMY_DMA_SIZE,
632 &adapter->dummy_dma.phys_addr);
633 if (adapter->dummy_dma.addr == NULL) {
634 printk("%s: ERROR: Could not allocate dummy DMA memory\n",
639 addr = (uint64_t) adapter->dummy_dma.phys_addr;
640 hi = (addr >> 32) & 0xffffffff;
641 lo = addr & 0xffffffff;
643 writel(hi, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI));
644 writel(lo, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO));
649 void netxen_free_adapter_offload(struct netxen_adapter *adapter)
651 if (adapter->dummy_dma.addr) {
652 pci_free_consistent(adapter->ahw.pdev,
653 NETXEN_HOST_DUMMY_DMA_SIZE,
654 adapter->dummy_dma.addr,
655 adapter->dummy_dma.phys_addr);
656 adapter->dummy_dma.addr = NULL;
660 void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
666 while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) {
670 readl(NETXEN_CRB_NORMALIZE
671 (adapter, CRB_CMDPEG_STATE));
674 if (val != PHAN_INITIALIZE_COMPLETE)
675 printk("WARNING: Initial boot wait loop failed...\n");
679 int netxen_nic_rx_has_work(struct netxen_adapter *adapter)
683 for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
684 struct netxen_recv_context *recv_ctx =
685 &(adapter->recv_ctx[ctx]);
687 struct status_desc *desc_head;
688 struct status_desc *desc;
690 consumer = recv_ctx->status_rx_consumer;
691 desc_head = recv_ctx->rcv_status_desc_head;
692 desc = &desc_head[consumer];
694 if (((le16_to_cpu(netxen_get_sts_owner(desc)))
695 & STATUS_OWNER_HOST))
702 static inline int netxen_nic_check_temp(struct netxen_adapter *adapter)
705 struct netxen_port *port;
706 struct net_device *netdev;
707 uint32_t temp, temp_state, temp_val;
710 temp = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_TEMP_STATE));
712 temp_state = nx_get_temp_state(temp);
713 temp_val = nx_get_temp_val(temp);
715 if (temp_state == NX_TEMP_PANIC) {
717 "%s: Device temperature %d degrees C exceeds"
718 " maximum allowed. Hardware has been shut down.\n",
719 netxen_nic_driver_name, temp_val);
720 for (port_num = 0; port_num < adapter->ahw.max_ports;
722 port = adapter->port[port_num];
723 netdev = port->netdev;
725 netif_carrier_off(netdev);
726 netif_stop_queue(netdev);
729 } else if (temp_state == NX_TEMP_WARN) {
730 if (adapter->temp == NX_TEMP_NORMAL) {
732 "%s: Device temperature %d degrees C "
733 "exceeds operating range."
734 " Immediate action needed.\n",
735 netxen_nic_driver_name, temp_val);
738 if (adapter->temp == NX_TEMP_WARN) {
740 "%s: Device temperature is now %d degrees C"
741 " in normal range.\n", netxen_nic_driver_name,
745 adapter->temp = temp_state;
749 void netxen_watchdog_task(struct work_struct *work)
752 struct netxen_port *port;
753 struct net_device *netdev;
754 struct netxen_adapter *adapter =
755 container_of(work, struct netxen_adapter, watchdog_task);
757 if (netxen_nic_check_temp(adapter))
760 for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
761 port = adapter->port[port_num];
762 netdev = port->netdev;
764 if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) {
765 printk(KERN_INFO "%s port %d, %s carrier is now ok\n",
766 netxen_nic_driver_name, port_num, netdev->name);
767 netif_carrier_on(netdev);
770 if (netif_queue_stopped(netdev))
771 netif_wake_queue(netdev);
774 if (adapter->handle_phy_intr)
775 adapter->handle_phy_intr(adapter);
776 mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
780 * netxen_process_rcv() send the received packet to the protocol stack.
781 * and if the number of receives exceeds RX_BUFFERS_REFILL, then we
782 * invoke the routine to send more rx buffers to the Phantom...
785 netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
786 struct status_desc *desc)
788 struct netxen_port *port = adapter->port[netxen_get_sts_port(desc)];
789 struct pci_dev *pdev = port->pdev;
790 struct net_device *netdev = port->netdev;
791 int index = le16_to_cpu(netxen_get_sts_refhandle(desc));
792 struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
793 struct netxen_rx_buffer *buffer;
795 u32 length = le16_to_cpu(netxen_get_sts_totallength(desc));
797 struct netxen_rcv_desc_ctx *rcv_desc;
800 desc_ctx = netxen_get_sts_type(desc);
801 if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
802 printk("%s: %s Bad Rcv descriptor ring\n",
803 netxen_nic_driver_name, netdev->name);
807 rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
808 if (unlikely(index > rcv_desc->max_rx_desc_count)) {
809 DPRINTK(ERR, "Got a buffer index:%x Max is %x\n",
810 index, rcv_desc->max_rx_desc_count);
813 buffer = &rcv_desc->rx_buf_arr[index];
814 if (desc_ctx == RCV_DESC_LRO_CTXID) {
815 buffer->lro_current_frags++;
816 if (netxen_get_sts_desc_lro_last_frag(desc)) {
817 buffer->lro_expected_frags =
818 netxen_get_sts_desc_lro_cnt(desc);
819 buffer->lro_length = length;
821 if (buffer->lro_current_frags != buffer->lro_expected_frags) {
822 if (buffer->lro_expected_frags != 0) {
823 printk("LRO: (refhandle:%x) recv frag."
824 "wait for last. flags: %x expected:%d"
826 netxen_get_sts_desc_lro_last_frag(desc),
827 buffer->lro_expected_frags,
828 buffer->lro_current_frags);
834 pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
837 skb = (struct sk_buff *)buffer->skb;
839 if (likely(netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) {
840 port->stats.csummed++;
841 skb->ip_summed = CHECKSUM_UNNECESSARY;
844 if (desc_ctx == RCV_DESC_LRO_CTXID) {
845 /* True length was only available on the last pkt */
846 skb_put(skb, buffer->lro_length);
848 skb_put(skb, length);
851 skb->protocol = eth_type_trans(skb, netdev);
853 ret = netif_receive_skb(skb);
856 * RH: Do we need these stats on a regular basis. Can we get it from
861 port->stats.uphappy++;
865 port->stats.uplcong++;
869 port->stats.upmcong++;
873 port->stats.uphcong++;
877 port->stats.updropped++;
881 port->stats.updunno++;
885 netdev->last_rx = jiffies;
887 rcv_desc->rcv_free++;
888 rcv_desc->rcv_pending--;
891 * We just consumed one buffer so post a buffer.
893 adapter->stats.post_called++;
895 buffer->state = NETXEN_BUFFER_FREE;
896 buffer->lro_current_frags = 0;
897 buffer->lro_expected_frags = 0;
899 port->stats.no_rcv++;
900 port->stats.rxbytes += length;
903 /* Process Receive status ring */
904 u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
906 struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
907 struct status_desc *desc_head = recv_ctx->rcv_status_desc_head;
908 struct status_desc *desc; /* used to read status desc here */
909 u32 consumer = recv_ctx->status_rx_consumer;
913 DPRINTK(INFO, "procesing receive\n");
915 * we assume in this case that there is only one port and that is
916 * port #1...changes need to be done in firmware to indicate port
917 * number as part of the descriptor. This way we will be able to get
918 * the netdev which is associated with that device.
920 while (count < max) {
921 desc = &desc_head[consumer];
923 (le16_to_cpu(netxen_get_sts_owner(desc)) &
924 STATUS_OWNER_HOST)) {
925 DPRINTK(ERR, "desc %p ownedby %x\n", desc,
926 netxen_get_sts_owner(desc));
929 netxen_process_rcv(adapter, ctxid, desc);
930 netxen_clear_sts_owner(desc);
931 netxen_set_sts_owner(desc, STATUS_OWNER_PHANTOM);
932 consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
936 for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
937 netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
941 /* update the consumer index in phantom */
943 adapter->stats.process_rcv++;
944 recv_ctx->status_rx_consumer = consumer;
945 recv_ctx->status_rx_producer = producer;
949 NETXEN_CRB_NORMALIZE(adapter,
950 recv_crb_registers[ctxid].
951 crb_rcv_status_consumer));
957 /* Process Command status ring */
958 int netxen_process_cmd_ring(unsigned long data)
962 struct netxen_adapter *adapter = (struct netxen_adapter *)data;
965 struct netxen_cmd_buffer *buffer;
966 struct netxen_port *port; /* port #1 */
967 struct netxen_port *nport;
968 struct pci_dev *pdev;
969 struct netxen_skb_frag *frag;
971 struct sk_buff *skb = NULL;
975 spin_lock(&adapter->tx_lock);
976 last_consumer = adapter->last_cmd_consumer;
977 DPRINTK(INFO, "procesing xmit complete\n");
978 /* we assume in this case that there is only one port and that is
979 * port #1...changes need to be done in firmware to indicate port
980 * number as part of the descriptor. This way we will be able to get
981 * the netdev which is associated with that device.
984 consumer = *(adapter->cmd_consumer);
985 if (last_consumer == consumer) { /* Ring is empty */
986 DPRINTK(INFO, "last_consumer %d == consumer %d\n",
987 last_consumer, consumer);
988 spin_unlock(&adapter->tx_lock);
992 adapter->proc_cmd_buf_counter++;
993 adapter->stats.process_xmit++;
995 * Not needed - does not seem to be used anywhere.
996 * adapter->cmd_consumer = consumer;
998 spin_unlock(&adapter->tx_lock);
1000 while ((last_consumer != consumer) && (count1 < MAX_STATUS_HANDLE)) {
1001 buffer = &adapter->cmd_buf_arr[last_consumer];
1002 port = adapter->port[buffer->port];
1004 frag = &buffer->frag_array[0];
1006 if (skb && (cmpxchg(&buffer->skb, skb, 0) == skb)) {
1007 pci_unmap_single(pdev, frag->dma, frag->length,
1009 for (i = 1; i < buffer->frag_count; i++) {
1010 DPRINTK(INFO, "getting fragment no %d\n", i);
1011 frag++; /* Get the next frag */
1012 pci_unmap_page(pdev, frag->dma, frag->length,
1016 port->stats.skbfreed++;
1017 dev_kfree_skb_any(skb);
1019 } else if (adapter->proc_cmd_buf_counter == 1) {
1020 port->stats.txnullskb++;
1022 if (unlikely(netif_queue_stopped(port->netdev)
1023 && netif_carrier_ok(port->netdev))
1024 && ((jiffies - port->netdev->trans_start) >
1025 port->netdev->watchdog_timeo)) {
1026 SCHEDULE_WORK(port->adapter->tx_timeout_task
1030 last_consumer = get_next_index(last_consumer,
1031 adapter->max_tx_desc_count);
1034 adapter->stats.noxmitdone += count1;
1037 spin_lock(&adapter->tx_lock);
1038 if ((--adapter->proc_cmd_buf_counter) == 0) {
1039 adapter->last_cmd_consumer = last_consumer;
1040 while ((adapter->last_cmd_consumer != consumer)
1041 && (count2 < MAX_STATUS_HANDLE)) {
1043 &adapter->cmd_buf_arr[adapter->last_cmd_consumer];
1048 adapter->last_cmd_consumer =
1049 get_next_index(adapter->last_cmd_consumer,
1050 adapter->max_tx_desc_count);
1053 if (count1 || count2) {
1054 for (p = 0; p < adapter->ahw.max_ports; p++) {
1055 nport = adapter->port[p];
1056 if (netif_queue_stopped(nport->netdev)
1057 && (nport->flags & NETXEN_NETDEV_STATUS)) {
1058 netif_wake_queue(nport->netdev);
1059 nport->flags &= ~NETXEN_NETDEV_STATUS;
1064 * If everything is freed up to consumer then check if the ring is full
1065 * If the ring is full then check if more needs to be freed and
1066 * schedule the call back again.
1068 * This happens when there are 2 CPUs. One could be freeing and the
1069 * other filling it. If the ring is full when we get out of here and
1070 * the card has already interrupted the host then the host can miss the
1073 * There is still a possible race condition and the host could miss an
1074 * interrupt. The card has to take care of this.
1076 if (adapter->last_cmd_consumer == consumer &&
1077 (((adapter->cmd_producer + 1) %
1078 adapter->max_tx_desc_count) == adapter->last_cmd_consumer)) {
1079 consumer = *(adapter->cmd_consumer);
1081 done = (adapter->last_cmd_consumer == consumer);
1083 spin_unlock(&adapter->tx_lock);
1084 DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer,
1090 * netxen_post_rx_buffers puts buffer in the Phantom memory
1092 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
1094 struct pci_dev *pdev = adapter->ahw.pdev;
1095 struct sk_buff *skb;
1096 struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
1097 struct netxen_rcv_desc_ctx *rcv_desc = NULL;
1099 struct rcv_desc *pdesc;
1100 struct netxen_rx_buffer *buffer;
1103 netxen_ctx_msg msg = 0;
1106 adapter->stats.post_called++;
1107 rcv_desc = &recv_ctx->rcv_desc[ringid];
1109 producer = rcv_desc->producer;
1110 index = rcv_desc->begin_alloc;
1111 buffer = &rcv_desc->rx_buf_arr[index];
1112 /* We can start writing rx descriptors into the phantom memory. */
1113 while (buffer->state == NETXEN_BUFFER_FREE) {
1114 skb = dev_alloc_skb(rcv_desc->skb_size);
1115 if (unlikely(!skb)) {
1118 * We need to schedule the posting of buffers to the pegs.
1120 rcv_desc->begin_alloc = index;
1121 DPRINTK(ERR, "netxen_post_rx_buffers: "
1122 " allocated only %d buffers\n", count);
1126 count++; /* now there should be no failure */
1127 pdesc = &rcv_desc->desc_head[producer];
1129 #if defined(XGB_DEBUG)
1130 *(unsigned long *)(skb->head) = 0xc0debabe;
1131 if (skb_is_nonlinear(skb)) {
1132 printk("Allocated SKB @%p is nonlinear\n");
1135 skb_reserve(skb, 2);
1136 /* This will be setup when we receive the
1137 * buffer after it has been filled FSL TBD TBD
1138 * skb->dev = netdev;
1140 dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size,
1141 PCI_DMA_FROMDEVICE);
1142 pdesc->addr_buffer = dma;
1144 buffer->state = NETXEN_BUFFER_BUSY;
1146 /* make a rcv descriptor */
1147 pdesc->reference_handle = buffer->ref_handle;
1148 pdesc->buffer_length = rcv_desc->dma_size;
1149 DPRINTK(INFO, "done writing descripter\n");
1151 get_next_index(producer, rcv_desc->max_rx_desc_count);
1152 index = get_next_index(index, rcv_desc->max_rx_desc_count);
1153 buffer = &rcv_desc->rx_buf_arr[index];
1155 /* if we did allocate buffers, then write the count to Phantom */
1157 rcv_desc->begin_alloc = index;
1158 rcv_desc->rcv_pending += count;
1159 adapter->stats.lastposted = count;
1160 adapter->stats.posted += count;
1161 rcv_desc->producer = producer;
1162 if (rcv_desc->rcv_free >= 32) {
1163 rcv_desc->rcv_free = 0;
1165 writel((producer - 1) &
1166 (rcv_desc->max_rx_desc_count - 1),
1167 NETXEN_CRB_NORMALIZE(adapter,
1168 recv_crb_registers[0].
1169 rcv_desc_crb[ringid].
1170 crb_rcv_producer_offset));
1172 * Write a doorbell msg to tell phanmon of change in
1173 * receive ring producer
1175 netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
1176 netxen_set_msg_privid(msg);
1177 netxen_set_msg_count(msg,
1180 max_rx_desc_count - 1)));
1181 netxen_set_msg_ctxid(msg, 0);
1182 netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
1184 DB_NORMALIZE(adapter,
1185 NETXEN_RCV_PRODUCER_OFFSET));
1190 void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ctx,
1193 struct pci_dev *pdev = adapter->ahw.pdev;
1194 struct sk_buff *skb;
1195 struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
1196 struct netxen_rcv_desc_ctx *rcv_desc = NULL;
1198 struct rcv_desc *pdesc;
1199 struct netxen_rx_buffer *buffer;
1203 adapter->stats.post_called++;
1204 rcv_desc = &recv_ctx->rcv_desc[ringid];
1206 producer = rcv_desc->producer;
1207 index = rcv_desc->begin_alloc;
1208 buffer = &rcv_desc->rx_buf_arr[index];
1209 /* We can start writing rx descriptors into the phantom memory. */
1210 while (buffer->state == NETXEN_BUFFER_FREE) {
1211 skb = dev_alloc_skb(rcv_desc->skb_size);
1212 if (unlikely(!skb)) {
1214 * We need to schedule the posting of buffers to the pegs.
1216 rcv_desc->begin_alloc = index;
1217 DPRINTK(ERR, "netxen_post_rx_buffers_nodb: "
1218 " allocated only %d buffers\n", count);
1221 count++; /* now there should be no failure */
1222 pdesc = &rcv_desc->desc_head[producer];
1223 skb_reserve(skb, 2);
1225 * This will be setup when we receive the
1226 * buffer after it has been filled
1227 * skb->dev = netdev;
1230 buffer->state = NETXEN_BUFFER_BUSY;
1231 buffer->dma = pci_map_single(pdev, skb->data,
1233 PCI_DMA_FROMDEVICE);
1235 /* make a rcv descriptor */
1236 pdesc->reference_handle = le16_to_cpu(buffer->ref_handle);
1237 pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size);
1238 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1239 DPRINTK(INFO, "done writing descripter\n");
1241 get_next_index(producer, rcv_desc->max_rx_desc_count);
1242 index = get_next_index(index, rcv_desc->max_rx_desc_count);
1243 buffer = &rcv_desc->rx_buf_arr[index];
1246 /* if we did allocate buffers, then write the count to Phantom */
1248 rcv_desc->begin_alloc = index;
1249 rcv_desc->rcv_pending += count;
1250 adapter->stats.lastposted = count;
1251 adapter->stats.posted += count;
1252 rcv_desc->producer = producer;
1253 if (rcv_desc->rcv_free >= 32) {
1254 rcv_desc->rcv_free = 0;
1256 writel((producer - 1) &
1257 (rcv_desc->max_rx_desc_count - 1),
1258 NETXEN_CRB_NORMALIZE(adapter,
1259 recv_crb_registers[0].
1260 rcv_desc_crb[ringid].
1261 crb_rcv_producer_offset));
1267 int netxen_nic_tx_has_work(struct netxen_adapter *adapter)
1269 if (find_diff_among(adapter->last_cmd_consumer,
1270 adapter->cmd_producer,
1271 adapter->max_tx_desc_count) > 0)
1278 netxen_nic_fill_statistics(struct netxen_adapter *adapter,
1279 struct netxen_port *port,
1280 struct netxen_statistics *netxen_stats)
1284 if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
1285 netxen_nic_pci_change_crbwindow(adapter, 0);
1286 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_BYTE_CNT,
1287 &(netxen_stats->tx_bytes));
1288 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_FRAME_CNT,
1289 &(netxen_stats->tx_packets));
1290 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_BYTE_CNT,
1291 &(netxen_stats->rx_bytes));
1292 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_FRAME_CNT,
1293 &(netxen_stats->rx_packets));
1294 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_AGGR_ERROR_CNT,
1295 &(netxen_stats->rx_errors));
1296 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_CRC_ERROR_CNT,
1297 &(netxen_stats->rx_crc_errors));
1298 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
1300 rx_long_length_error));
1301 NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
1303 rx_short_length_error));
1305 netxen_nic_pci_change_crbwindow(adapter, 1);
1307 spin_lock_bh(&adapter->tx_lock);
1308 netxen_stats->tx_bytes = port->stats.txbytes;
1309 netxen_stats->tx_packets = port->stats.xmitedframes +
1310 port->stats.xmitfinished;
1311 netxen_stats->rx_bytes = port->stats.rxbytes;
1312 netxen_stats->rx_packets = port->stats.no_rcv;
1313 netxen_stats->rx_errors = port->stats.rcvdbadskb;
1314 netxen_stats->tx_errors = port->stats.nocmddescriptor;
1315 netxen_stats->rx_short_length_error = port->stats.uplcong;
1316 netxen_stats->rx_long_length_error = port->stats.uphcong;
1317 netxen_stats->rx_crc_errors = 0;
1318 netxen_stats->rx_mac_errors = 0;
1319 spin_unlock_bh(&adapter->tx_lock);
1324 void netxen_nic_clear_stats(struct netxen_adapter *adapter)
1326 struct netxen_port *port;
1329 memset(&adapter->stats, 0, sizeof(adapter->stats));
1330 for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
1331 port = adapter->port[port_num];
1332 memset(&port->stats, 0, sizeof(port->stats));
1337 netxen_nic_clear_statistics(struct netxen_adapter *adapter,
1338 struct netxen_port *port)
1342 netxen_nic_pci_change_crbwindow(adapter, 0);
1344 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_BYTE_CNT, &data);
1345 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_FRAME_CNT,
1347 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_BYTE_CNT, &data);
1348 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_FRAME_CNT,
1350 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_AGGR_ERROR_CNT,
1352 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_CRC_ERROR_CNT,
1354 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
1356 netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
1359 netxen_nic_pci_change_crbwindow(adapter, 1);
1360 netxen_nic_clear_stats(adapter);
1365 netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
1366 struct netxen_port *port)
1368 struct netxen_nic_ioctl_data data;
1369 struct netxen_nic_ioctl_data *up_data;
1371 struct netxen_statistics netxen_stats;
1373 up_data = (void *)u_data;
1375 DPRINTK(INFO, "doing ioctl for %p\n", adapter);
1376 if (copy_from_user(&data, (void __user *)up_data, sizeof(data))) {
1377 /* evil user tried to crash the kernel */
1378 DPRINTK(ERR, "bad copy from userland: %d\n", (int)sizeof(data));
1383 /* Shouldn't access beyond legal limits of "char u[64];" member */
1384 if (!data.ptr && (data.size > sizeof(data.u))) {
1385 /* evil user tried to crash the kernel */
1386 DPRINTK(ERR, "bad size: %d\n", data.size);
1392 case netxen_nic_cmd_pci_read:
1393 if ((retval = netxen_nic_hw_read_ioctl(adapter, data.off,
1394 &(data.u), data.size)))
1397 ((void __user *)&(up_data->u), &(data.u), data.size)) {
1398 DPRINTK(ERR, "bad copy to userland: %d\n",
1406 case netxen_nic_cmd_pci_write:
1407 if ((retval = netxen_nic_hw_write_ioctl(adapter, data.off,
1408 &(data.u), data.size)))
1413 case netxen_nic_cmd_pci_mem_read:
1414 if (netxen_nic_pci_mem_read_ioctl(adapter, data.off, &(data.u),
1416 DPRINTK(ERR, "Failed to read the data.\n");
1421 ((void __user *)&(up_data->u), &(data.u), data.size)) {
1422 DPRINTK(ERR, "bad copy to userland: %d\n",
1430 case netxen_nic_cmd_pci_mem_write:
1431 if ((retval = netxen_nic_pci_mem_write_ioctl(adapter, data.off,
1438 case netxen_nic_cmd_pci_config_read:
1439 switch (data.size) {
1441 data.rv = pci_read_config_byte(adapter->ahw.pdev,
1446 data.rv = pci_read_config_word(adapter->ahw.pdev,
1448 (short *)&(data.u));
1451 data.rv = pci_read_config_dword(adapter->ahw.pdev,
1453 (u32 *) & (data.u));
1457 ((void __user *)&(up_data->u), &(data.u), data.size)) {
1458 DPRINTK(ERR, "bad copy to userland: %d\n",
1465 case netxen_nic_cmd_pci_config_write:
1466 switch (data.size) {
1468 data.rv = pci_write_config_byte(adapter->ahw.pdev,
1470 *(char *)&(data.u));
1473 data.rv = pci_write_config_word(adapter->ahw.pdev,
1475 *(short *)&(data.u));
1478 data.rv = pci_write_config_dword(adapter->ahw.pdev,
1480 *(u32 *) & (data.u));
1485 case netxen_nic_cmd_get_stats:
1487 netxen_nic_fill_statistics(adapter, port, &netxen_stats);
1489 ((void __user *)(up_data->ptr), (void *)&netxen_stats,
1490 sizeof(struct netxen_statistics))) {
1491 DPRINTK(ERR, "bad copy to userland: %d\n",
1492 (int)sizeof(netxen_stats));
1496 up_data->rv = data.rv;
1499 case netxen_nic_cmd_clear_stats:
1500 data.rv = netxen_nic_clear_statistics(adapter, port);
1501 up_data->rv = data.rv;
1504 case netxen_nic_cmd_get_version:
1506 ((void __user *)&(up_data->u), NETXEN_NIC_LINUX_VERSIONID,
1507 sizeof(NETXEN_NIC_LINUX_VERSIONID))) {
1508 DPRINTK(ERR, "bad copy to userland: %d\n",
1516 DPRINTK(INFO, "bad command %d for %p\n", data.cmd, adapter);
1517 retval = -EOPNOTSUPP;
1520 put_user(data.rv, (&(up_data->rv)));
1521 DPRINTK(INFO, "done ioctl for %p well.\n", adapter);