2 * Copyright (C) 2003 - 2009 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:
27 * Cupertino, CA 95014-0701
31 #include <linux/netdevice.h>
32 #include <linux/delay.h>
33 #include "netxen_nic.h"
34 #include "netxen_nic_hw.h"
35 #include "netxen_nic_phan_reg.h"
37 struct crb_addr_pair {
42 #define NETXEN_MAX_CRB_XFORM 60
43 static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
44 #define NETXEN_ADDR_ERROR (0xffffffff)
46 #define crb_addr_transform(name) \
47 crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
48 NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20
50 #define NETXEN_NIC_XDMA_RESET 0x8000ff
53 netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
54 struct nx_host_rds_ring *rds_ring);
56 static void crb_addr_transform_setup(void)
58 crb_addr_transform(XDMA);
59 crb_addr_transform(TIMR);
60 crb_addr_transform(SRE);
61 crb_addr_transform(SQN3);
62 crb_addr_transform(SQN2);
63 crb_addr_transform(SQN1);
64 crb_addr_transform(SQN0);
65 crb_addr_transform(SQS3);
66 crb_addr_transform(SQS2);
67 crb_addr_transform(SQS1);
68 crb_addr_transform(SQS0);
69 crb_addr_transform(RPMX7);
70 crb_addr_transform(RPMX6);
71 crb_addr_transform(RPMX5);
72 crb_addr_transform(RPMX4);
73 crb_addr_transform(RPMX3);
74 crb_addr_transform(RPMX2);
75 crb_addr_transform(RPMX1);
76 crb_addr_transform(RPMX0);
77 crb_addr_transform(ROMUSB);
78 crb_addr_transform(SN);
79 crb_addr_transform(QMN);
80 crb_addr_transform(QMS);
81 crb_addr_transform(PGNI);
82 crb_addr_transform(PGND);
83 crb_addr_transform(PGN3);
84 crb_addr_transform(PGN2);
85 crb_addr_transform(PGN1);
86 crb_addr_transform(PGN0);
87 crb_addr_transform(PGSI);
88 crb_addr_transform(PGSD);
89 crb_addr_transform(PGS3);
90 crb_addr_transform(PGS2);
91 crb_addr_transform(PGS1);
92 crb_addr_transform(PGS0);
93 crb_addr_transform(PS);
94 crb_addr_transform(PH);
95 crb_addr_transform(NIU);
96 crb_addr_transform(I2Q);
97 crb_addr_transform(EG);
98 crb_addr_transform(MN);
99 crb_addr_transform(MS);
100 crb_addr_transform(CAS2);
101 crb_addr_transform(CAS1);
102 crb_addr_transform(CAS0);
103 crb_addr_transform(CAM);
104 crb_addr_transform(C2C1);
105 crb_addr_transform(C2C0);
106 crb_addr_transform(SMB);
107 crb_addr_transform(OCM0);
108 crb_addr_transform(I2C0);
111 void netxen_release_rx_buffers(struct netxen_adapter *adapter)
113 struct netxen_recv_context *recv_ctx;
114 struct nx_host_rds_ring *rds_ring;
115 struct netxen_rx_buffer *rx_buf;
118 recv_ctx = &adapter->recv_ctx;
119 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
120 rds_ring = &recv_ctx->rds_rings[ring];
121 for (i = 0; i < rds_ring->num_desc; ++i) {
122 rx_buf = &(rds_ring->rx_buf_arr[i]);
123 if (rx_buf->state == NETXEN_BUFFER_FREE)
125 pci_unmap_single(adapter->pdev,
129 if (rx_buf->skb != NULL)
130 dev_kfree_skb_any(rx_buf->skb);
135 void netxen_release_tx_buffers(struct netxen_adapter *adapter)
137 struct netxen_cmd_buffer *cmd_buf;
138 struct netxen_skb_frag *buffrag;
140 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
142 cmd_buf = tx_ring->cmd_buf_arr;
143 for (i = 0; i < tx_ring->num_desc; i++) {
144 buffrag = cmd_buf->frag_array;
146 pci_unmap_single(adapter->pdev, buffrag->dma,
147 buffrag->length, PCI_DMA_TODEVICE);
150 for (j = 0; j < cmd_buf->frag_count; j++) {
153 pci_unmap_page(adapter->pdev, buffrag->dma,
160 dev_kfree_skb_any(cmd_buf->skb);
167 void netxen_free_sw_resources(struct netxen_adapter *adapter)
169 struct netxen_recv_context *recv_ctx;
170 struct nx_host_rds_ring *rds_ring;
171 struct nx_host_tx_ring *tx_ring;
174 recv_ctx = &adapter->recv_ctx;
176 if (recv_ctx->rds_rings == NULL)
179 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
180 rds_ring = &recv_ctx->rds_rings[ring];
181 vfree(rds_ring->rx_buf_arr);
182 rds_ring->rx_buf_arr = NULL;
184 kfree(recv_ctx->rds_rings);
187 if (recv_ctx->sds_rings == NULL)
190 for(ring = 0; ring < adapter->max_sds_rings; ring++)
191 recv_ctx->sds_rings[ring].consumer = 0;
194 if (adapter->tx_ring == NULL)
197 tx_ring = adapter->tx_ring;
198 vfree(tx_ring->cmd_buf_arr);
201 int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
203 struct netxen_recv_context *recv_ctx;
204 struct nx_host_rds_ring *rds_ring;
205 struct nx_host_sds_ring *sds_ring;
206 struct nx_host_tx_ring *tx_ring;
207 struct netxen_rx_buffer *rx_buf;
210 struct netxen_cmd_buffer *cmd_buf_arr;
211 struct net_device *netdev = adapter->netdev;
212 struct pci_dev *pdev = adapter->pdev;
214 size = sizeof(struct nx_host_tx_ring);
215 tx_ring = kzalloc(size, GFP_KERNEL);
216 if (tx_ring == NULL) {
217 dev_err(&pdev->dev, "%s: failed to allocate tx ring struct\n",
221 adapter->tx_ring = tx_ring;
223 tx_ring->num_desc = adapter->num_txd;
224 tx_ring->txq = netdev_get_tx_queue(netdev, 0);
226 cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
227 if (cmd_buf_arr == NULL) {
228 dev_err(&pdev->dev, "%s: failed to allocate cmd buffer ring\n",
232 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
233 tx_ring->cmd_buf_arr = cmd_buf_arr;
235 recv_ctx = &adapter->recv_ctx;
237 size = adapter->max_rds_rings * sizeof (struct nx_host_rds_ring);
238 rds_ring = kzalloc(size, GFP_KERNEL);
239 if (rds_ring == NULL) {
240 dev_err(&pdev->dev, "%s: failed to allocate rds ring struct\n",
244 recv_ctx->rds_rings = rds_ring;
246 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
247 rds_ring = &recv_ctx->rds_rings[ring];
249 case RCV_RING_NORMAL:
250 rds_ring->num_desc = adapter->num_rxd;
251 if (adapter->ahw.cut_through) {
253 NX_CT_DEFAULT_RX_BUF_LEN;
255 NX_CT_DEFAULT_RX_BUF_LEN;
257 rds_ring->dma_size = RX_DMA_MAP_LEN;
259 MAX_RX_BUFFER_LENGTH;
264 rds_ring->num_desc = adapter->num_jumbo_rxd;
265 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
267 NX_P3_RX_JUMBO_BUF_MAX_LEN;
270 NX_P2_RX_JUMBO_BUF_MAX_LEN;
272 rds_ring->dma_size + NET_IP_ALIGN;
276 rds_ring->num_desc = adapter->num_lro_rxd;
277 rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
278 rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
282 rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
283 vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
284 if (rds_ring->rx_buf_arr == NULL) {
285 printk(KERN_ERR "%s: Failed to allocate "
286 "rx buffer ring %d\n",
288 /* free whatever was already allocated */
291 memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
292 INIT_LIST_HEAD(&rds_ring->free_list);
294 * Now go through all of them, set reference handles
295 * and put them in the queues.
297 rx_buf = rds_ring->rx_buf_arr;
298 for (i = 0; i < rds_ring->num_desc; i++) {
299 list_add_tail(&rx_buf->list,
300 &rds_ring->free_list);
301 rx_buf->ref_handle = i;
302 rx_buf->state = NETXEN_BUFFER_FREE;
305 spin_lock_init(&rds_ring->lock);
308 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
309 sds_ring = &recv_ctx->sds_rings[ring];
310 sds_ring->irq = adapter->msix_entries[ring].vector;
311 sds_ring->adapter = adapter;
312 sds_ring->num_desc = adapter->num_rxd;
314 for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
315 INIT_LIST_HEAD(&sds_ring->free_list[i]);
321 netxen_free_sw_resources(adapter);
325 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
327 adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
328 adapter->set_multi = netxen_p2_nic_set_multi;
330 switch (adapter->ahw.port_type) {
332 adapter->enable_phy_interrupts =
333 netxen_niu_gbe_enable_phy_interrupts;
334 adapter->disable_phy_interrupts =
335 netxen_niu_gbe_disable_phy_interrupts;
336 adapter->set_mtu = netxen_nic_set_mtu_gb;
337 adapter->set_promisc = netxen_niu_set_promiscuous_mode;
338 adapter->phy_read = netxen_niu_gbe_phy_read;
339 adapter->phy_write = netxen_niu_gbe_phy_write;
340 adapter->init_port = netxen_niu_gbe_init_port;
341 adapter->stop_port = netxen_niu_disable_gbe_port;
344 case NETXEN_NIC_XGBE:
345 adapter->enable_phy_interrupts =
346 netxen_niu_xgbe_enable_phy_interrupts;
347 adapter->disable_phy_interrupts =
348 netxen_niu_xgbe_disable_phy_interrupts;
349 adapter->set_mtu = netxen_nic_set_mtu_xgb;
350 adapter->init_port = netxen_niu_xg_init_port;
351 adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode;
352 adapter->stop_port = netxen_niu_disable_xg_port;
359 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
360 adapter->set_mtu = nx_fw_cmd_set_mtu;
361 adapter->set_promisc = netxen_p3_nic_set_promisc;
362 adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
363 adapter->set_multi = netxen_p3_nic_set_multi;
368 * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
369 * address to external PCI CRB address.
371 static u32 netxen_decode_crb_addr(u32 addr)
374 u32 base_addr, offset, pci_base;
376 crb_addr_transform_setup();
378 pci_base = NETXEN_ADDR_ERROR;
379 base_addr = addr & 0xfff00000;
380 offset = addr & 0x000fffff;
382 for (i = 0; i < NETXEN_MAX_CRB_XFORM; i++) {
383 if (crb_addr_xform[i] == base_addr) {
388 if (pci_base == NETXEN_ADDR_ERROR)
391 return (pci_base + offset);
394 static long rom_max_timeout = 100;
395 static long rom_lock_timeout = 10000;
397 static int rom_lock(struct netxen_adapter *adapter)
404 /* acquire semaphore2 from PCI HW block */
405 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK));
408 if (timeout >= rom_lock_timeout)
418 for (iter = 0; iter < 20; iter++)
419 cpu_relax(); /*This a nop instr on i386 */
422 NXWR32(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
426 static int netxen_wait_rom_done(struct netxen_adapter *adapter)
434 done = NXRD32(adapter, NETXEN_ROMUSB_GLB_STATUS);
437 if (timeout >= rom_max_timeout) {
438 printk("Timeout reached waiting for rom done");
445 static void netxen_rom_unlock(struct netxen_adapter *adapter)
447 /* release semaphore2 */
448 NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK));
452 static int do_rom_fast_read(struct netxen_adapter *adapter,
455 NXWR32(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
456 NXWR32(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
457 NXWR32(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
458 NXWR32(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
459 if (netxen_wait_rom_done(adapter)) {
460 printk("Error waiting for rom done\n");
463 /* reset abyte_cnt and dummy_byte_cnt */
464 NXWR32(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
466 NXWR32(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
468 *valp = NXRD32(adapter, NETXEN_ROMUSB_ROM_RDATA);
472 static int do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
473 u8 *bytes, size_t size)
478 for (addridx = addr; addridx < (addr + size); addridx += 4) {
480 ret = do_rom_fast_read(adapter, addridx, &v);
483 *(__le32 *)bytes = cpu_to_le32(v);
491 netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
492 u8 *bytes, size_t size)
496 ret = rom_lock(adapter);
500 ret = do_rom_fast_read_words(adapter, addr, bytes, size);
502 netxen_rom_unlock(adapter);
506 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
510 if (rom_lock(adapter) != 0)
513 ret = do_rom_fast_read(adapter, addr, valp);
514 netxen_rom_unlock(adapter);
518 #define NETXEN_BOARDTYPE 0x4008
519 #define NETXEN_BOARDNUM 0x400c
520 #define NETXEN_CHIPNUM 0x4010
522 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
525 int i, n, init_delay = 0;
526 struct crb_addr_pair *buf;
532 NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff);
533 netxen_rom_unlock(adapter);
536 if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
537 printk("P2 ROM board type: 0x%08x\n", val);
539 printk("Could not read board type\n");
540 if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0)
541 printk("P2 ROM board num: 0x%08x\n", val);
543 printk("Could not read board number\n");
544 if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0)
545 printk("P2 ROM chip num: 0x%08x\n", val);
547 printk("Could not read chip number\n");
550 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
551 if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
553 netxen_rom_fast_read(adapter, 4, &n) != 0) {
554 printk(KERN_ERR "%s: ERROR Reading crb_init area: "
555 "n: %08x\n", netxen_nic_driver_name, n);
558 offset = n & 0xffffU;
559 n = (n >> 16) & 0xffffU;
561 if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
563 printk(KERN_ERR "%s: ERROR Reading crb_init area: "
564 "n: %08x\n", netxen_nic_driver_name, n);
573 printk(KERN_DEBUG "%s: %d CRB init values found"
574 " in ROM.\n", netxen_nic_driver_name, n);
576 printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not"
577 " initialized.\n", __func__, n);
581 buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
583 printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n",
584 netxen_nic_driver_name);
587 for (i = 0; i < n; i++) {
588 if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
589 netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
598 printk(KERN_DEBUG "%s: PCI: 0x%08x == 0x%08x\n",
599 netxen_nic_driver_name,
600 (u32)netxen_decode_crb_addr(addr), val);
602 for (i = 0; i < n; i++) {
604 off = netxen_decode_crb_addr(buf[i].addr);
605 if (off == NETXEN_ADDR_ERROR) {
606 printk(KERN_ERR"CRB init value out of range %x\n",
610 off += NETXEN_PCI_CRBSPACE;
611 /* skipping cold reboot MAGIC */
612 if (off == NETXEN_CAM_RAM(0x1fc))
615 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
616 /* do not reset PCI */
617 if (off == (ROMUSB_GLB + 0xbc))
619 if (off == (ROMUSB_GLB + 0xa8))
621 if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
623 if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
625 if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
627 if (off == (NETXEN_CRB_PEG_NET_1 + 0x18))
628 buf[i].data = 0x1020;
629 /* skip the function enable register */
630 if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION))
632 if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2))
634 if ((off & 0x0ff00000) == NETXEN_CRB_SMB)
638 if (off == NETXEN_ADDR_ERROR) {
639 printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n",
640 netxen_nic_driver_name, buf[i].addr);
645 /* After writing this register, HW needs time for CRB */
646 /* to quiet down (else crb_window returns 0xffffffff) */
647 if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
649 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
650 /* hold xdma in reset also */
651 buf[i].data = NETXEN_NIC_XDMA_RESET;
652 buf[i].data = 0x8000ff;
656 NXWR32(adapter, off, buf[i].data);
662 /* disable_peg_cache_all */
664 /* unreset_net_cache */
665 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
666 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
667 NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, (val & 0xffffff0f));
670 /* p2dn replyCount */
671 NXWR32(adapter, NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
672 /* disable_peg_cache 0 */
673 NXWR32(adapter, NETXEN_CRB_PEG_NET_D + 0x4c, 8);
674 /* disable_peg_cache 1 */
675 NXWR32(adapter, NETXEN_CRB_PEG_NET_I + 0x4c, 8);
680 NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, 0);
681 NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, 0);
683 NXWR32(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, 0);
684 NXWR32(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, 0);
686 NXWR32(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, 0);
687 NXWR32(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, 0);
689 NXWR32(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, 0);
690 NXWR32(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, 0);
695 netxen_need_fw_reset(struct netxen_adapter *adapter)
697 u32 count, old_count;
698 u32 val, version, major, minor, build;
702 /* NX2031 firmware doesn't support heartbit */
703 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
706 /* last attempt had failed */
707 if (NXRD32(adapter, CRB_CMDPEG_STATE) == PHAN_INITIALIZE_FAILED)
710 old_count = count = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
712 for (i = 0; i < 10; i++) {
714 timeout = msleep_interruptible(200);
716 NXWR32(adapter, CRB_CMDPEG_STATE,
717 PHAN_INITIALIZE_FAILED);
721 count = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
722 if (count != old_count)
726 /* firmware is dead */
727 if (count == old_count)
730 /* check if we have got newer or different file firmware */
733 const struct firmware *fw = adapter->fw;
735 val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
736 version = NETXEN_DECODE_VERSION(val);
738 major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
739 minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
740 build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
742 if (version > NETXEN_VERSION_CODE(major, minor, build))
745 if (version == NETXEN_VERSION_CODE(major, minor, build)) {
747 val = NXRD32(adapter, NETXEN_MIU_MN_CONTROL);
748 fw_type = (val & 0x4) ?
749 NX_P3_CT_ROMIMAGE : NX_P3_MN_ROMIMAGE;
751 if (adapter->fw_type != fw_type)
759 static char *fw_name[] = {
760 "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin", "flash",
764 netxen_load_firmware(struct netxen_adapter *adapter)
767 u32 i, flashaddr, size;
768 const struct firmware *fw = adapter->fw;
769 struct pci_dev *pdev = adapter->pdev;
771 dev_info(&pdev->dev, "loading firmware from %s\n",
772 fw_name[adapter->fw_type]);
774 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
775 NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1);
780 size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
782 ptr64 = (u64 *)&fw->data[NETXEN_BOOTLD_START];
783 flashaddr = NETXEN_BOOTLD_START;
785 for (i = 0; i < size; i++) {
786 data = cpu_to_le64(ptr64[i]);
787 adapter->pci_mem_write(adapter, flashaddr, &data, 8);
791 size = *(u32 *)&fw->data[NX_FW_SIZE_OFFSET];
792 size = (__force u32)cpu_to_le32(size) / 8;
794 ptr64 = (u64 *)&fw->data[NETXEN_IMAGE_START];
795 flashaddr = NETXEN_IMAGE_START;
797 for (i = 0; i < size; i++) {
798 data = cpu_to_le64(ptr64[i]);
800 if (adapter->pci_mem_write(adapter,
801 flashaddr, &data, 8))
809 size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4;
810 flashaddr = NETXEN_BOOTLD_START;
812 for (i = 0; i < size; i++) {
813 if (netxen_rom_fast_read(adapter,
814 flashaddr, (int *)&data) != 0)
817 if (adapter->pci_mem_write(adapter,
818 flashaddr, &data, 4))
826 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
827 NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
829 NXWR32(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
830 NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 0);
837 netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
840 u32 ver, min_ver, bios;
841 struct pci_dev *pdev = adapter->pdev;
842 const struct firmware *fw = adapter->fw;
844 if (fw->size < NX_FW_MIN_SIZE)
847 val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
848 if ((__force u32)val != NETXEN_BDINFO_MAGIC)
851 val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
853 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
854 min_ver = NETXEN_VERSION_CODE(4, 0, 216);
856 min_ver = NETXEN_VERSION_CODE(3, 4, 216);
858 ver = NETXEN_DECODE_VERSION(val);
860 if ((_major(ver) > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) {
862 "%s: firmware version %d.%d.%d unsupported\n",
863 fwname, _major(ver), _minor(ver), _build(ver));
867 val = cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
868 netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
869 if ((__force u32)val != bios) {
870 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
875 /* check if flashed firmware is newer */
876 if (netxen_rom_fast_read(adapter,
877 NX_FW_VERSION_OFFSET, (int *)&val))
879 val = NETXEN_DECODE_VERSION(val);
881 dev_info(&pdev->dev, "%s: firmware is older than flash\n",
886 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
890 void netxen_request_firmware(struct netxen_adapter *adapter)
892 u32 capability, flashed_ver;
894 struct pci_dev *pdev = adapter->pdev;
897 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
898 fw_type = NX_P2_MN_ROMIMAGE;
901 fw_type = NX_P3_CT_ROMIMAGE;
908 netxen_rom_fast_read(adapter,
909 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
910 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
912 if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) {
913 capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY);
914 if (capability & NX_PEG_TUNE_MN_PRESENT) {
915 fw_type = NX_P3_MN_ROMIMAGE;
920 fw_type = NX_FLASH_ROMIMAGE;
925 rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev);
927 if (fw_type == NX_P3_CT_ROMIMAGE) {
932 fw_type = NX_FLASH_ROMIMAGE;
937 rc = netxen_validate_firmware(adapter, fw_name[fw_type]);
939 release_firmware(adapter->fw);
941 if (fw_type == NX_P3_CT_ROMIMAGE) {
946 fw_type = NX_FLASH_ROMIMAGE;
952 adapter->fw_type = fw_type;
957 netxen_release_firmware(struct netxen_adapter *adapter)
960 release_firmware(adapter->fw);
963 int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
969 adapter->dummy_dma.addr =
970 pci_alloc_consistent(adapter->pdev,
971 NETXEN_HOST_DUMMY_DMA_SIZE,
972 &adapter->dummy_dma.phys_addr);
973 if (adapter->dummy_dma.addr == NULL) {
974 printk("%s: ERROR: Could not allocate dummy DMA memory\n",
979 addr = (uint64_t) adapter->dummy_dma.phys_addr;
980 hi = (addr >> 32) & 0xffffffff;
981 lo = addr & 0xffffffff;
983 NXWR32(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi);
984 NXWR32(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo);
986 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
988 NXWR32(adapter, CRB_HOST_DUMMY_BUF, temp);
994 void netxen_free_adapter_offload(struct netxen_adapter *adapter)
998 if (!adapter->dummy_dma.addr)
1001 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1003 if (dma_watchdog_shutdown_request(adapter) == 1)
1006 if (dma_watchdog_shutdown_poll_result(adapter) == 1)
1012 pci_free_consistent(adapter->pdev,
1013 NETXEN_HOST_DUMMY_DMA_SIZE,
1014 adapter->dummy_dma.addr,
1015 adapter->dummy_dma.phys_addr);
1016 adapter->dummy_dma.addr = NULL;
1018 printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
1019 adapter->netdev->name);
1023 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
1032 val = NXRD32(adapter, CRB_CMDPEG_STATE);
1035 case PHAN_INITIALIZE_COMPLETE:
1036 case PHAN_INITIALIZE_ACK:
1038 case PHAN_INITIALIZE_FAILED:
1046 } while (--retries);
1048 NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1051 dev_warn(&adapter->pdev->dev, "firmware init failed\n");
1056 netxen_receive_peg_ready(struct netxen_adapter *adapter)
1062 val = NXRD32(adapter, CRB_RCVPEG_STATE);
1064 if (val == PHAN_PEG_RCV_INITIALIZED)
1069 } while (--retries);
1072 printk(KERN_ERR "Receive Peg initialization not "
1073 "complete, state: 0x%x.\n", val);
1080 int netxen_init_firmware(struct netxen_adapter *adapter)
1084 err = netxen_receive_peg_ready(adapter);
1088 NXWR32(adapter, CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
1089 NXWR32(adapter, CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
1090 NXWR32(adapter, CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
1091 NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
1093 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) {
1094 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
1101 netxen_handle_linkevent(struct netxen_adapter *adapter, nx_fw_msg_t *msg)
1106 u8 link_status, module, duplex, autoneg;
1107 struct net_device *netdev = adapter->netdev;
1109 adapter->has_link_events = 1;
1111 cable_OUI = msg->body[1] & 0xffffffff;
1112 cable_len = (msg->body[1] >> 32) & 0xffff;
1113 link_speed = (msg->body[1] >> 48) & 0xffff;
1115 link_status = msg->body[2] & 0xff;
1116 duplex = (msg->body[2] >> 16) & 0xff;
1117 autoneg = (msg->body[2] >> 24) & 0xff;
1119 module = (msg->body[2] >> 8) & 0xff;
1120 if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) {
1121 printk(KERN_INFO "%s: unsupported cable: OUI 0x%x, length %d\n",
1122 netdev->name, cable_OUI, cable_len);
1123 } else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) {
1124 printk(KERN_INFO "%s: unsupported cable length %d\n",
1125 netdev->name, cable_len);
1128 netxen_advert_link_change(adapter, link_status);
1130 /* update link parameters */
1131 if (duplex == LINKEVENT_FULL_DUPLEX)
1132 adapter->link_duplex = DUPLEX_FULL;
1134 adapter->link_duplex = DUPLEX_HALF;
1135 adapter->module_type = module;
1136 adapter->link_autoneg = autoneg;
1137 adapter->link_speed = link_speed;
1141 netxen_handle_fw_message(int desc_cnt, int index,
1142 struct nx_host_sds_ring *sds_ring)
1145 struct status_desc *desc;
1148 while (desc_cnt > 0 && i < 8) {
1149 desc = &sds_ring->desc_head[index];
1150 msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
1151 msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
1153 index = get_next_index(index, sds_ring->num_desc);
1157 opcode = netxen_get_nic_msg_opcode(msg.body[0]);
1159 case NX_NIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
1160 netxen_handle_linkevent(sds_ring->adapter, &msg);
1168 netxen_alloc_rx_skb(struct netxen_adapter *adapter,
1169 struct nx_host_rds_ring *rds_ring,
1170 struct netxen_rx_buffer *buffer)
1172 struct sk_buff *skb;
1174 struct pci_dev *pdev = adapter->pdev;
1176 buffer->skb = dev_alloc_skb(rds_ring->skb_size);
1182 if (!adapter->ahw.cut_through)
1183 skb_reserve(skb, 2);
1185 dma = pci_map_single(pdev, skb->data,
1186 rds_ring->dma_size, PCI_DMA_FROMDEVICE);
1188 if (pci_dma_mapping_error(pdev, dma)) {
1189 dev_kfree_skb_any(skb);
1196 buffer->state = NETXEN_BUFFER_BUSY;
1201 static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter,
1202 struct nx_host_rds_ring *rds_ring, u16 index, u16 cksum)
1204 struct netxen_rx_buffer *buffer;
1205 struct sk_buff *skb;
1207 buffer = &rds_ring->rx_buf_arr[index];
1209 pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
1210 PCI_DMA_FROMDEVICE);
1216 if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) {
1217 adapter->stats.csummed++;
1218 skb->ip_summed = CHECKSUM_UNNECESSARY;
1220 skb->ip_summed = CHECKSUM_NONE;
1222 skb->dev = adapter->netdev;
1226 buffer->state = NETXEN_BUFFER_FREE;
1230 static struct netxen_rx_buffer *
1231 netxen_process_rcv(struct netxen_adapter *adapter,
1232 int ring, int index, int length, int cksum, int pkt_offset,
1233 struct nx_host_sds_ring *sds_ring)
1235 struct net_device *netdev = adapter->netdev;
1236 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1237 struct netxen_rx_buffer *buffer;
1238 struct sk_buff *skb;
1239 struct nx_host_rds_ring *rds_ring = &recv_ctx->rds_rings[ring];
1241 if (unlikely(index > rds_ring->num_desc))
1244 buffer = &rds_ring->rx_buf_arr[index];
1246 skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum);
1250 if (length > rds_ring->skb_size)
1251 skb_put(skb, rds_ring->skb_size);
1253 skb_put(skb, length);
1257 skb_pull(skb, pkt_offset);
1259 skb->protocol = eth_type_trans(skb, netdev);
1261 napi_gro_receive(&sds_ring->napi, skb);
1263 adapter->stats.no_rcv++;
1264 adapter->stats.rxbytes += length;
1269 #define netxen_merge_rx_buffers(list, head) \
1270 do { list_splice_tail_init(list, head); } while (0);
1273 netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
1275 struct netxen_adapter *adapter = sds_ring->adapter;
1277 struct list_head *cur;
1279 struct status_desc *desc;
1280 struct netxen_rx_buffer *rxbuf;
1282 u32 consumer = sds_ring->consumer;
1286 int opcode, ring, index, length, cksum, pkt_offset, desc_cnt;
1288 while (count < max) {
1289 desc = &sds_ring->desc_head[consumer];
1290 sts_data = le64_to_cpu(desc->status_desc_data[0]);
1292 if (!(sts_data & STATUS_OWNER_HOST))
1295 desc_cnt = netxen_get_sts_desc_cnt(sts_data);
1296 ring = netxen_get_sts_type(sts_data);
1298 if (ring > RCV_RING_JUMBO)
1301 opcode = netxen_get_sts_opcode(sts_data);
1304 case NETXEN_NIC_RXPKT_DESC:
1305 case NETXEN_OLD_RXPKT_DESC:
1307 case NETXEN_NIC_RESPONSE_DESC:
1308 netxen_handle_fw_message(desc_cnt, consumer, sds_ring);
1313 WARN_ON(desc_cnt > 1);
1315 index = netxen_get_sts_refhandle(sts_data);
1316 length = netxen_get_sts_totallength(sts_data);
1317 cksum = netxen_get_sts_status(sts_data);
1318 pkt_offset = netxen_get_sts_pkt_offset(sts_data);
1320 rxbuf = netxen_process_rcv(adapter, ring, index,
1321 length, cksum, pkt_offset, sds_ring);
1324 list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
1327 for (; desc_cnt > 0; desc_cnt--) {
1328 desc = &sds_ring->desc_head[consumer];
1329 desc->status_desc_data[0] =
1330 cpu_to_le64(STATUS_OWNER_PHANTOM);
1331 consumer = get_next_index(consumer, sds_ring->num_desc);
1336 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1337 struct nx_host_rds_ring *rds_ring =
1338 &adapter->recv_ctx.rds_rings[ring];
1340 if (!list_empty(&sds_ring->free_list[ring])) {
1341 list_for_each(cur, &sds_ring->free_list[ring]) {
1342 rxbuf = list_entry(cur,
1343 struct netxen_rx_buffer, list);
1344 netxen_alloc_rx_skb(adapter, rds_ring, rxbuf);
1346 spin_lock(&rds_ring->lock);
1347 netxen_merge_rx_buffers(&sds_ring->free_list[ring],
1348 &rds_ring->free_list);
1349 spin_unlock(&rds_ring->lock);
1352 netxen_post_rx_buffers_nodb(adapter, rds_ring);
1356 sds_ring->consumer = consumer;
1357 NXWR32(adapter, sds_ring->crb_sts_consumer, consumer);
1363 /* Process Command status ring */
1364 int netxen_process_cmd_ring(struct netxen_adapter *adapter)
1366 u32 sw_consumer, hw_consumer;
1368 struct netxen_cmd_buffer *buffer;
1369 struct pci_dev *pdev = adapter->pdev;
1370 struct net_device *netdev = adapter->netdev;
1371 struct netxen_skb_frag *frag;
1373 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
1375 if (!spin_trylock(&adapter->tx_clean_lock))
1378 sw_consumer = tx_ring->sw_consumer;
1379 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
1381 while (sw_consumer != hw_consumer) {
1382 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
1384 frag = &buffer->frag_array[0];
1385 pci_unmap_single(pdev, frag->dma, frag->length,
1388 for (i = 1; i < buffer->frag_count; i++) {
1389 frag++; /* Get the next frag */
1390 pci_unmap_page(pdev, frag->dma, frag->length,
1395 adapter->stats.xmitfinished++;
1396 dev_kfree_skb_any(buffer->skb);
1400 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
1401 if (++count >= MAX_STATUS_HANDLE)
1405 if (count && netif_running(netdev)) {
1406 tx_ring->sw_consumer = sw_consumer;
1410 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
1411 __netif_tx_lock(tx_ring->txq, smp_processor_id());
1412 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
1413 netif_wake_queue(netdev);
1414 __netif_tx_unlock(tx_ring->txq);
1418 * If everything is freed up to consumer then check if the ring is full
1419 * If the ring is full then check if more needs to be freed and
1420 * schedule the call back again.
1422 * This happens when there are 2 CPUs. One could be freeing and the
1423 * other filling it. If the ring is full when we get out of here and
1424 * the card has already interrupted the host then the host can miss the
1427 * There is still a possible race condition and the host could miss an
1428 * interrupt. The card has to take care of this.
1430 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
1431 done = (sw_consumer == hw_consumer);
1432 spin_unlock(&adapter->tx_clean_lock);
1438 netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
1439 struct nx_host_rds_ring *rds_ring)
1441 struct rcv_desc *pdesc;
1442 struct netxen_rx_buffer *buffer;
1443 int producer, count = 0;
1444 netxen_ctx_msg msg = 0;
1445 struct list_head *head;
1447 producer = rds_ring->producer;
1449 spin_lock(&rds_ring->lock);
1450 head = &rds_ring->free_list;
1451 while (!list_empty(head)) {
1453 buffer = list_entry(head->next, struct netxen_rx_buffer, list);
1456 if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
1461 list_del(&buffer->list);
1463 /* make a rcv descriptor */
1464 pdesc = &rds_ring->desc_head[producer];
1465 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1466 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
1467 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
1469 producer = get_next_index(producer, rds_ring->num_desc);
1471 spin_unlock(&rds_ring->lock);
1474 rds_ring->producer = producer;
1475 NXWR32(adapter, rds_ring->crb_rcv_producer,
1476 (producer-1) & (rds_ring->num_desc-1));
1478 if (adapter->fw_major < 4) {
1480 * Write a doorbell msg to tell phanmon of change in
1481 * receive ring producer
1482 * Only for firmware version < 4.0.0
1484 netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
1485 netxen_set_msg_privid(msg);
1486 netxen_set_msg_count(msg,
1488 (rds_ring->num_desc - 1)));
1489 netxen_set_msg_ctxid(msg, adapter->portnum);
1490 netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
1492 DB_NORMALIZE(adapter,
1493 NETXEN_RCV_PRODUCER_OFFSET));
1499 netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
1500 struct nx_host_rds_ring *rds_ring)
1502 struct rcv_desc *pdesc;
1503 struct netxen_rx_buffer *buffer;
1504 int producer, count = 0;
1505 struct list_head *head;
1507 producer = rds_ring->producer;
1508 if (!spin_trylock(&rds_ring->lock))
1511 head = &rds_ring->free_list;
1512 while (!list_empty(head)) {
1514 buffer = list_entry(head->next, struct netxen_rx_buffer, list);
1517 if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
1522 list_del(&buffer->list);
1524 /* make a rcv descriptor */
1525 pdesc = &rds_ring->desc_head[producer];
1526 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
1527 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
1528 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1530 producer = get_next_index(producer, rds_ring->num_desc);
1534 rds_ring->producer = producer;
1535 NXWR32(adapter, rds_ring->crb_rcv_producer,
1536 (producer - 1) & (rds_ring->num_desc - 1));
1538 spin_unlock(&rds_ring->lock);
1541 void netxen_nic_clear_stats(struct netxen_adapter *adapter)
1543 memset(&adapter->stats, 0, sizeof(adapter->stats));