2 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
4 * Copyright 2008 JMicron Technology Corporation
5 * http://www.jmicron.com/
6 * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
8 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
27 #include <linux/module.h>
28 #include <linux/kernel.h>
29 #include <linux/pci.h>
30 #include <linux/pci-aspm.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/mii.h>
35 #include <linux/crc32.h>
36 #include <linux/delay.h>
37 #include <linux/spinlock.h>
40 #include <linux/ipv6.h>
41 #include <linux/tcp.h>
42 #include <linux/udp.h>
43 #include <linux/if_vlan.h>
44 #include <linux/slab.h>
45 #include <net/ip6_checksum.h>
48 static int force_pseudohp = -1;
49 static int no_pseudohp = -1;
50 static int no_extplug = -1;
51 module_param(force_pseudohp, int, 0);
52 MODULE_PARM_DESC(force_pseudohp,
53 "Enable pseudo hot-plug feature manually by driver instead of BIOS.");
54 module_param(no_pseudohp, int, 0);
55 MODULE_PARM_DESC(no_pseudohp, "Disable pseudo hot-plug feature.");
56 module_param(no_extplug, int, 0);
57 MODULE_PARM_DESC(no_extplug,
58 "Do not use external plug signal for pseudo hot-plug.");
61 jme_mdio_read(struct net_device *netdev, int phy, int reg)
63 struct jme_adapter *jme = netdev_priv(netdev);
64 int i, val, again = (reg == MII_BMSR) ? 1 : 0;
67 jwrite32(jme, JME_SMI, SMI_OP_REQ |
72 for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) {
74 val = jread32(jme, JME_SMI);
75 if ((val & SMI_OP_REQ) == 0)
80 pr_err("phy(%d) read timeout : %d\n", phy, reg);
87 return (val & SMI_DATA_MASK) >> SMI_DATA_SHIFT;
91 jme_mdio_write(struct net_device *netdev,
92 int phy, int reg, int val)
94 struct jme_adapter *jme = netdev_priv(netdev);
97 jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ |
98 ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) |
99 smi_phy_addr(phy) | smi_reg_addr(reg));
102 for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) {
104 if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0)
109 pr_err("phy(%d) write timeout : %d\n", phy, reg);
113 jme_reset_phy_processor(struct jme_adapter *jme)
117 jme_mdio_write(jme->dev,
119 MII_ADVERTISE, ADVERTISE_ALL |
120 ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
122 if (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250)
123 jme_mdio_write(jme->dev,
126 ADVERTISE_1000FULL | ADVERTISE_1000HALF);
128 val = jme_mdio_read(jme->dev,
132 jme_mdio_write(jme->dev,
134 MII_BMCR, val | BMCR_RESET);
138 jme_setup_wakeup_frame(struct jme_adapter *jme,
139 const u32 *mask, u32 crc, int fnr)
146 jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL));
148 jwrite32(jme, JME_WFODP, crc);
154 for (i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) {
155 jwrite32(jme, JME_WFOI,
156 ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) |
157 (fnr & WFOI_FRAME_SEL));
159 jwrite32(jme, JME_WFODP, mask[i]);
165 jme_mac_rxclk_off(struct jme_adapter *jme)
167 jme->reg_gpreg1 |= GPREG1_RXCLKOFF;
168 jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1);
172 jme_mac_rxclk_on(struct jme_adapter *jme)
174 jme->reg_gpreg1 &= ~GPREG1_RXCLKOFF;
175 jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1);
179 jme_mac_txclk_off(struct jme_adapter *jme)
181 jme->reg_ghc &= ~(GHC_TO_CLK_SRC | GHC_TXMAC_CLK_SRC);
182 jwrite32f(jme, JME_GHC, jme->reg_ghc);
186 jme_mac_txclk_on(struct jme_adapter *jme)
188 u32 speed = jme->reg_ghc & GHC_SPEED;
189 if (speed == GHC_SPEED_1000M)
190 jme->reg_ghc |= GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY;
192 jme->reg_ghc |= GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
193 jwrite32f(jme, JME_GHC, jme->reg_ghc);
197 jme_reset_ghc_speed(struct jme_adapter *jme)
199 jme->reg_ghc &= ~(GHC_SPEED | GHC_DPX);
200 jwrite32f(jme, JME_GHC, jme->reg_ghc);
204 jme_reset_250A2_workaround(struct jme_adapter *jme)
206 jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH |
208 jwrite32(jme, JME_GPREG1, jme->reg_gpreg1);
212 jme_assert_ghc_reset(struct jme_adapter *jme)
214 jme->reg_ghc |= GHC_SWRST;
215 jwrite32f(jme, JME_GHC, jme->reg_ghc);
219 jme_clear_ghc_reset(struct jme_adapter *jme)
221 jme->reg_ghc &= ~GHC_SWRST;
222 jwrite32f(jme, JME_GHC, jme->reg_ghc);
226 jme_reset_mac_processor(struct jme_adapter *jme)
228 static const u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0};
229 u32 crc = 0xCDCDCDCD;
233 jme_reset_ghc_speed(jme);
234 jme_reset_250A2_workaround(jme);
236 jme_mac_rxclk_on(jme);
237 jme_mac_txclk_on(jme);
239 jme_assert_ghc_reset(jme);
241 jme_mac_rxclk_off(jme);
242 jme_mac_txclk_off(jme);
244 jme_clear_ghc_reset(jme);
246 jme_mac_rxclk_on(jme);
247 jme_mac_txclk_on(jme);
249 jme_mac_rxclk_off(jme);
250 jme_mac_txclk_off(jme);
252 jwrite32(jme, JME_RXDBA_LO, 0x00000000);
253 jwrite32(jme, JME_RXDBA_HI, 0x00000000);
254 jwrite32(jme, JME_RXQDC, 0x00000000);
255 jwrite32(jme, JME_RXNDA, 0x00000000);
256 jwrite32(jme, JME_TXDBA_LO, 0x00000000);
257 jwrite32(jme, JME_TXDBA_HI, 0x00000000);
258 jwrite32(jme, JME_TXQDC, 0x00000000);
259 jwrite32(jme, JME_TXNDA, 0x00000000);
261 jwrite32(jme, JME_RXMCHT_LO, 0x00000000);
262 jwrite32(jme, JME_RXMCHT_HI, 0x00000000);
263 for (i = 0 ; i < WAKEUP_FRAME_NR ; ++i)
264 jme_setup_wakeup_frame(jme, mask, crc, i);
266 gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL;
268 gpreg0 = GPREG0_DEFAULT;
269 jwrite32(jme, JME_GPREG0, gpreg0);
273 jme_clear_pm_enable_wol(struct jme_adapter *jme)
275 jwrite32(jme, JME_PMCS, PMCS_STMASK | jme->reg_pmcs);
279 jme_clear_pm_disable_wol(struct jme_adapter *jme)
281 jwrite32(jme, JME_PMCS, PMCS_STMASK);
285 jme_reload_eeprom(struct jme_adapter *jme)
290 val = jread32(jme, JME_SMBCSR);
292 if (val & SMBCSR_EEPROMD) {
294 jwrite32(jme, JME_SMBCSR, val);
295 val |= SMBCSR_RELOAD;
296 jwrite32(jme, JME_SMBCSR, val);
299 for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) {
301 if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0)
306 pr_err("eeprom reload timeout\n");
315 jme_load_macaddr(struct net_device *netdev)
317 struct jme_adapter *jme = netdev_priv(netdev);
318 unsigned char macaddr[ETH_ALEN];
321 spin_lock_bh(&jme->macaddr_lock);
322 val = jread32(jme, JME_RXUMA_LO);
323 macaddr[0] = (val >> 0) & 0xFF;
324 macaddr[1] = (val >> 8) & 0xFF;
325 macaddr[2] = (val >> 16) & 0xFF;
326 macaddr[3] = (val >> 24) & 0xFF;
327 val = jread32(jme, JME_RXUMA_HI);
328 macaddr[4] = (val >> 0) & 0xFF;
329 macaddr[5] = (val >> 8) & 0xFF;
330 memcpy(netdev->dev_addr, macaddr, ETH_ALEN);
331 spin_unlock_bh(&jme->macaddr_lock);
335 jme_set_rx_pcc(struct jme_adapter *jme, int p)
339 jwrite32(jme, JME_PCCRX0,
340 ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
341 ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK));
344 jwrite32(jme, JME_PCCRX0,
345 ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
346 ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK));
349 jwrite32(jme, JME_PCCRX0,
350 ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
351 ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK));
354 jwrite32(jme, JME_PCCRX0,
355 ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
356 ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK));
363 if (!(test_bit(JME_FLAG_POLL, &jme->flags)))
364 netif_info(jme, rx_status, jme->dev, "Switched to PCC_P%d\n", p);
368 jme_start_irq(struct jme_adapter *jme)
370 register struct dynpcc_info *dpi = &(jme->dpi);
372 jme_set_rx_pcc(jme, PCC_P1);
374 dpi->attempt = PCC_P1;
377 jwrite32(jme, JME_PCCTX,
378 ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) |
379 ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) |
386 jwrite32(jme, JME_IENS, INTR_ENABLE);
390 jme_stop_irq(struct jme_adapter *jme)
395 jwrite32f(jme, JME_IENC, INTR_ENABLE);
399 jme_linkstat_from_phy(struct jme_adapter *jme)
403 phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17);
404 bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR);
405 if (bmsr & BMSR_ANCOMP)
406 phylink |= PHY_LINK_AUTONEG_COMPLETE;
412 jme_set_phyfifo_5level(struct jme_adapter *jme)
414 jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004);
418 jme_set_phyfifo_8level(struct jme_adapter *jme)
420 jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000);
424 jme_check_link(struct net_device *netdev, int testonly)
426 struct jme_adapter *jme = netdev_priv(netdev);
427 u32 phylink, cnt = JME_SPDRSV_TIMEOUT, bmcr;
434 phylink = jme_linkstat_from_phy(jme);
436 phylink = jread32(jme, JME_PHY_LINK);
438 if (phylink & PHY_LINK_UP) {
439 if (!(phylink & PHY_LINK_AUTONEG_COMPLETE)) {
441 * If we did not enable AN
442 * Speed/Duplex Info should be obtained from SMI
444 phylink = PHY_LINK_UP;
446 bmcr = jme_mdio_read(jme->dev,
450 phylink |= ((bmcr & BMCR_SPEED1000) &&
451 (bmcr & BMCR_SPEED100) == 0) ?
452 PHY_LINK_SPEED_1000M :
453 (bmcr & BMCR_SPEED100) ?
454 PHY_LINK_SPEED_100M :
457 phylink |= (bmcr & BMCR_FULLDPLX) ?
460 strcat(linkmsg, "Forced: ");
463 * Keep polling for speed/duplex resolve complete
465 while (!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) &&
471 phylink = jme_linkstat_from_phy(jme);
473 phylink = jread32(jme, JME_PHY_LINK);
476 pr_err("Waiting speed resolve timeout\n");
478 strcat(linkmsg, "ANed: ");
481 if (jme->phylink == phylink) {
488 jme->phylink = phylink;
491 * The speed/duplex setting of jme->reg_ghc already cleared
492 * by jme_reset_mac_processor()
494 switch (phylink & PHY_LINK_SPEED_MASK) {
495 case PHY_LINK_SPEED_10M:
496 jme->reg_ghc |= GHC_SPEED_10M;
497 strcat(linkmsg, "10 Mbps, ");
499 case PHY_LINK_SPEED_100M:
500 jme->reg_ghc |= GHC_SPEED_100M;
501 strcat(linkmsg, "100 Mbps, ");
503 case PHY_LINK_SPEED_1000M:
504 jme->reg_ghc |= GHC_SPEED_1000M;
505 strcat(linkmsg, "1000 Mbps, ");
511 if (phylink & PHY_LINK_DUPLEX) {
512 jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT);
513 jwrite32(jme, JME_TXTRHD, TXTRHD_FULLDUPLEX);
514 jme->reg_ghc |= GHC_DPX;
516 jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT |
520 jwrite32(jme, JME_TXTRHD, TXTRHD_HALFDUPLEX);
523 jwrite32(jme, JME_GHC, jme->reg_ghc);
525 if (is_buggy250(jme->pdev->device, jme->chiprev)) {
526 jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH |
528 if (!(phylink & PHY_LINK_DUPLEX))
529 jme->reg_gpreg1 |= GPREG1_HALFMODEPATCH;
530 switch (phylink & PHY_LINK_SPEED_MASK) {
531 case PHY_LINK_SPEED_10M:
532 jme_set_phyfifo_8level(jme);
533 jme->reg_gpreg1 |= GPREG1_RSSPATCH;
535 case PHY_LINK_SPEED_100M:
536 jme_set_phyfifo_5level(jme);
537 jme->reg_gpreg1 |= GPREG1_RSSPATCH;
539 case PHY_LINK_SPEED_1000M:
540 jme_set_phyfifo_8level(jme);
546 jwrite32(jme, JME_GPREG1, jme->reg_gpreg1);
548 strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ?
551 strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ?
554 netif_info(jme, link, jme->dev, "Link is up at %s\n", linkmsg);
555 netif_carrier_on(netdev);
560 netif_info(jme, link, jme->dev, "Link is down\n");
562 netif_carrier_off(netdev);
570 jme_setup_tx_resources(struct jme_adapter *jme)
572 struct jme_ring *txring = &(jme->txring[0]);
574 txring->alloc = dma_alloc_coherent(&(jme->pdev->dev),
575 TX_RING_ALLOC_SIZE(jme->tx_ring_size),
585 txring->desc = (void *)ALIGN((unsigned long)(txring->alloc),
587 txring->dma = ALIGN(txring->dmaalloc, RING_DESC_ALIGN);
588 txring->next_to_use = 0;
589 atomic_set(&txring->next_to_clean, 0);
590 atomic_set(&txring->nr_free, jme->tx_ring_size);
592 txring->bufinf = kzalloc(sizeof(struct jme_buffer_info) *
593 jme->tx_ring_size, GFP_ATOMIC);
594 if (unlikely(!(txring->bufinf)))
595 goto err_free_txring;
598 * Initialize Transmit Descriptors
600 memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size));
605 dma_free_coherent(&(jme->pdev->dev),
606 TX_RING_ALLOC_SIZE(jme->tx_ring_size),
612 txring->dmaalloc = 0;
614 txring->bufinf = NULL;
620 jme_free_tx_resources(struct jme_adapter *jme)
623 struct jme_ring *txring = &(jme->txring[0]);
624 struct jme_buffer_info *txbi;
627 if (txring->bufinf) {
628 for (i = 0 ; i < jme->tx_ring_size ; ++i) {
629 txbi = txring->bufinf + i;
631 dev_kfree_skb(txbi->skb);
637 txbi->start_xmit = 0;
639 kfree(txring->bufinf);
642 dma_free_coherent(&(jme->pdev->dev),
643 TX_RING_ALLOC_SIZE(jme->tx_ring_size),
647 txring->alloc = NULL;
649 txring->dmaalloc = 0;
651 txring->bufinf = NULL;
653 txring->next_to_use = 0;
654 atomic_set(&txring->next_to_clean, 0);
655 atomic_set(&txring->nr_free, 0);
659 jme_enable_tx_engine(struct jme_adapter *jme)
664 jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0);
668 * Setup TX Queue 0 DMA Bass Address
670 jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL);
671 jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32);
672 jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL);
675 * Setup TX Descptor Count
677 jwrite32(jme, JME_TXQDC, jme->tx_ring_size);
683 jwrite32f(jme, JME_TXCS, jme->reg_txcs |
688 * Start clock for TX MAC Processor
690 jme_mac_txclk_on(jme);
694 jme_restart_tx_engine(struct jme_adapter *jme)
699 jwrite32(jme, JME_TXCS, jme->reg_txcs |
705 jme_disable_tx_engine(struct jme_adapter *jme)
713 jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0);
716 val = jread32(jme, JME_TXCS);
717 for (i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) {
719 val = jread32(jme, JME_TXCS);
724 pr_err("Disable TX engine timeout\n");
727 * Stop clock for TX MAC Processor
729 jme_mac_txclk_off(jme);
733 jme_set_clean_rxdesc(struct jme_adapter *jme, int i)
735 struct jme_ring *rxring = &(jme->rxring[0]);
736 register struct rxdesc *rxdesc = rxring->desc;
737 struct jme_buffer_info *rxbi = rxring->bufinf;
743 rxdesc->desc1.bufaddrh = cpu_to_le32((__u64)rxbi->mapping >> 32);
744 rxdesc->desc1.bufaddrl = cpu_to_le32(
745 (__u64)rxbi->mapping & 0xFFFFFFFFUL);
746 rxdesc->desc1.datalen = cpu_to_le16(rxbi->len);
747 if (jme->dev->features & NETIF_F_HIGHDMA)
748 rxdesc->desc1.flags = RXFLAG_64BIT;
750 rxdesc->desc1.flags |= RXFLAG_OWN | RXFLAG_INT;
754 jme_make_new_rx_buf(struct jme_adapter *jme, int i)
756 struct jme_ring *rxring = &(jme->rxring[0]);
757 struct jme_buffer_info *rxbi = rxring->bufinf + i;
761 skb = netdev_alloc_skb(jme->dev,
762 jme->dev->mtu + RX_EXTRA_LEN);
766 mapping = pci_map_page(jme->pdev, virt_to_page(skb->data),
767 offset_in_page(skb->data), skb_tailroom(skb),
769 if (unlikely(pci_dma_mapping_error(jme->pdev, mapping))) {
774 if (likely(rxbi->mapping))
775 pci_unmap_page(jme->pdev, rxbi->mapping,
776 rxbi->len, PCI_DMA_FROMDEVICE);
779 rxbi->len = skb_tailroom(skb);
780 rxbi->mapping = mapping;
785 jme_free_rx_buf(struct jme_adapter *jme, int i)
787 struct jme_ring *rxring = &(jme->rxring[0]);
788 struct jme_buffer_info *rxbi = rxring->bufinf;
792 pci_unmap_page(jme->pdev,
796 dev_kfree_skb(rxbi->skb);
804 jme_free_rx_resources(struct jme_adapter *jme)
807 struct jme_ring *rxring = &(jme->rxring[0]);
810 if (rxring->bufinf) {
811 for (i = 0 ; i < jme->rx_ring_size ; ++i)
812 jme_free_rx_buf(jme, i);
813 kfree(rxring->bufinf);
816 dma_free_coherent(&(jme->pdev->dev),
817 RX_RING_ALLOC_SIZE(jme->rx_ring_size),
820 rxring->alloc = NULL;
822 rxring->dmaalloc = 0;
824 rxring->bufinf = NULL;
826 rxring->next_to_use = 0;
827 atomic_set(&rxring->next_to_clean, 0);
831 jme_setup_rx_resources(struct jme_adapter *jme)
834 struct jme_ring *rxring = &(jme->rxring[0]);
836 rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev),
837 RX_RING_ALLOC_SIZE(jme->rx_ring_size),
846 rxring->desc = (void *)ALIGN((unsigned long)(rxring->alloc),
848 rxring->dma = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN);
849 rxring->next_to_use = 0;
850 atomic_set(&rxring->next_to_clean, 0);
852 rxring->bufinf = kzalloc(sizeof(struct jme_buffer_info) *
853 jme->rx_ring_size, GFP_ATOMIC);
854 if (unlikely(!(rxring->bufinf)))
855 goto err_free_rxring;
858 * Initiallize Receive Descriptors
860 for (i = 0 ; i < jme->rx_ring_size ; ++i) {
861 if (unlikely(jme_make_new_rx_buf(jme, i))) {
862 jme_free_rx_resources(jme);
866 jme_set_clean_rxdesc(jme, i);
872 dma_free_coherent(&(jme->pdev->dev),
873 RX_RING_ALLOC_SIZE(jme->rx_ring_size),
878 rxring->dmaalloc = 0;
880 rxring->bufinf = NULL;
886 jme_enable_rx_engine(struct jme_adapter *jme)
891 jwrite32(jme, JME_RXCS, jme->reg_rxcs |
896 * Setup RX DMA Bass Address
898 jwrite32(jme, JME_RXDBA_LO, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL);
899 jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32);
900 jwrite32(jme, JME_RXNDA, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL);
903 * Setup RX Descriptor Count
905 jwrite32(jme, JME_RXQDC, jme->rx_ring_size);
908 * Setup Unicast Filter
910 jme_set_unicastaddr(jme->dev);
911 jme_set_multi(jme->dev);
917 jwrite32f(jme, JME_RXCS, jme->reg_rxcs |
923 * Start clock for RX MAC Processor
925 jme_mac_rxclk_on(jme);
929 jme_restart_rx_engine(struct jme_adapter *jme)
934 jwrite32(jme, JME_RXCS, jme->reg_rxcs |
941 jme_disable_rx_engine(struct jme_adapter *jme)
949 jwrite32(jme, JME_RXCS, jme->reg_rxcs);
952 val = jread32(jme, JME_RXCS);
953 for (i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) {
955 val = jread32(jme, JME_RXCS);
960 pr_err("Disable RX engine timeout\n");
963 * Stop clock for RX MAC Processor
965 jme_mac_rxclk_off(jme);
969 jme_udpsum(struct sk_buff *skb)
973 if (skb->len < (ETH_HLEN + sizeof(struct iphdr)))
975 if (skb->protocol != htons(ETH_P_IP))
977 skb_set_network_header(skb, ETH_HLEN);
978 if ((ip_hdr(skb)->protocol != IPPROTO_UDP) ||
979 (skb->len < (ETH_HLEN +
980 (ip_hdr(skb)->ihl << 2) +
981 sizeof(struct udphdr)))) {
982 skb_reset_network_header(skb);
985 skb_set_transport_header(skb,
986 ETH_HLEN + (ip_hdr(skb)->ihl << 2));
987 csum = udp_hdr(skb)->check;
988 skb_reset_transport_header(skb);
989 skb_reset_network_header(skb);
995 jme_rxsum_ok(struct jme_adapter *jme, u16 flags, struct sk_buff *skb)
997 if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4)))
1000 if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS))
1001 == RXWBFLAG_TCPON)) {
1002 if (flags & RXWBFLAG_IPV4)
1003 netif_err(jme, rx_err, jme->dev, "TCP Checksum error\n");
1007 if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS))
1008 == RXWBFLAG_UDPON) && jme_udpsum(skb)) {
1009 if (flags & RXWBFLAG_IPV4)
1010 netif_err(jme, rx_err, jme->dev, "UDP Checksum error\n");
1014 if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS))
1015 == RXWBFLAG_IPV4)) {
1016 netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error\n");
1024 jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
1026 struct jme_ring *rxring = &(jme->rxring[0]);
1027 struct rxdesc *rxdesc = rxring->desc;
1028 struct jme_buffer_info *rxbi = rxring->bufinf;
1029 struct sk_buff *skb;
1036 pci_dma_sync_single_for_cpu(jme->pdev,
1039 PCI_DMA_FROMDEVICE);
1041 if (unlikely(jme_make_new_rx_buf(jme, idx))) {
1042 pci_dma_sync_single_for_device(jme->pdev,
1045 PCI_DMA_FROMDEVICE);
1047 ++(NET_STAT(jme).rx_dropped);
1049 framesize = le16_to_cpu(rxdesc->descwb.framesize)
1052 skb_reserve(skb, RX_PREPAD_SIZE);
1053 skb_put(skb, framesize);
1054 skb->protocol = eth_type_trans(skb, jme->dev);
1056 if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags), skb))
1057 skb->ip_summed = CHECKSUM_UNNECESSARY;
1059 skb_checksum_none_assert(skb);
1061 if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
1062 u16 vid = le16_to_cpu(rxdesc->descwb.vlan);
1064 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
1065 NET_STAT(jme).rx_bytes += 4;
1069 if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_DEST)) ==
1070 cpu_to_le16(RXWBFLAG_DEST_MUL))
1071 ++(NET_STAT(jme).multicast);
1073 NET_STAT(jme).rx_bytes += framesize;
1074 ++(NET_STAT(jme).rx_packets);
1077 jme_set_clean_rxdesc(jme, idx);
1082 jme_process_receive(struct jme_adapter *jme, int limit)
1084 struct jme_ring *rxring = &(jme->rxring[0]);
1085 struct rxdesc *rxdesc = rxring->desc;
1086 int i, j, ccnt, desccnt, mask = jme->rx_ring_mask;
1088 if (unlikely(!atomic_dec_and_test(&jme->rx_cleaning)))
1091 if (unlikely(atomic_read(&jme->link_changing) != 1))
1094 if (unlikely(!netif_carrier_ok(jme->dev)))
1097 i = atomic_read(&rxring->next_to_clean);
1099 rxdesc = rxring->desc;
1102 if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) ||
1103 !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL))
1108 desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
1110 if (unlikely(desccnt > 1 ||
1111 rxdesc->descwb.errstat & RXWBERR_ALLERR)) {
1113 if (rxdesc->descwb.errstat & RXWBERR_CRCERR)
1114 ++(NET_STAT(jme).rx_crc_errors);
1115 else if (rxdesc->descwb.errstat & RXWBERR_OVERUN)
1116 ++(NET_STAT(jme).rx_fifo_errors);
1118 ++(NET_STAT(jme).rx_errors);
1121 limit -= desccnt - 1;
1123 for (j = i, ccnt = desccnt ; ccnt-- ; ) {
1124 jme_set_clean_rxdesc(jme, j);
1125 j = (j + 1) & (mask);
1129 jme_alloc_and_feed_skb(jme, i);
1132 i = (i + desccnt) & (mask);
1136 atomic_set(&rxring->next_to_clean, i);
1139 atomic_inc(&jme->rx_cleaning);
1141 return limit > 0 ? limit : 0;
1146 jme_attempt_pcc(struct dynpcc_info *dpi, int atmp)
1148 if (likely(atmp == dpi->cur)) {
1153 if (dpi->attempt == atmp) {
1156 dpi->attempt = atmp;
1163 jme_dynamic_pcc(struct jme_adapter *jme)
1165 register struct dynpcc_info *dpi = &(jme->dpi);
1167 if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD)
1168 jme_attempt_pcc(dpi, PCC_P3);
1169 else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD ||
1170 dpi->intr_cnt > PCC_INTR_THRESHOLD)
1171 jme_attempt_pcc(dpi, PCC_P2);
1173 jme_attempt_pcc(dpi, PCC_P1);
1175 if (unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) {
1176 if (dpi->attempt < dpi->cur)
1177 tasklet_schedule(&jme->rxclean_task);
1178 jme_set_rx_pcc(jme, dpi->attempt);
1179 dpi->cur = dpi->attempt;
1185 jme_start_pcc_timer(struct jme_adapter *jme)
1187 struct dynpcc_info *dpi = &(jme->dpi);
1188 dpi->last_bytes = NET_STAT(jme).rx_bytes;
1189 dpi->last_pkts = NET_STAT(jme).rx_packets;
1191 jwrite32(jme, JME_TMCSR,
1192 TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT));
1196 jme_stop_pcc_timer(struct jme_adapter *jme)
1198 jwrite32(jme, JME_TMCSR, 0);
1202 jme_shutdown_nic(struct jme_adapter *jme)
1206 phylink = jme_linkstat_from_phy(jme);
1208 if (!(phylink & PHY_LINK_UP)) {
1210 * Disable all interrupt before issue timer
1213 jwrite32(jme, JME_TIMER2, TMCSR_EN | 0xFFFFFE);
1218 jme_pcc_tasklet(unsigned long arg)
1220 struct jme_adapter *jme = (struct jme_adapter *)arg;
1221 struct net_device *netdev = jme->dev;
1223 if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) {
1224 jme_shutdown_nic(jme);
1228 if (unlikely(!netif_carrier_ok(netdev) ||
1229 (atomic_read(&jme->link_changing) != 1)
1231 jme_stop_pcc_timer(jme);
1235 if (!(test_bit(JME_FLAG_POLL, &jme->flags)))
1236 jme_dynamic_pcc(jme);
1238 jme_start_pcc_timer(jme);
1242 jme_polling_mode(struct jme_adapter *jme)
1244 jme_set_rx_pcc(jme, PCC_OFF);
1248 jme_interrupt_mode(struct jme_adapter *jme)
1250 jme_set_rx_pcc(jme, PCC_P1);
1254 jme_pseudo_hotplug_enabled(struct jme_adapter *jme)
1257 apmc = jread32(jme, JME_APMC);
1258 return apmc & JME_APMC_PSEUDO_HP_EN;
1262 jme_start_shutdown_timer(struct jme_adapter *jme)
1266 apmc = jread32(jme, JME_APMC) | JME_APMC_PCIE_SD_EN;
1267 apmc &= ~JME_APMC_EPIEN_CTRL;
1269 jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_EN);
1272 jwrite32f(jme, JME_APMC, apmc);
1274 jwrite32f(jme, JME_TIMER2, 0);
1275 set_bit(JME_FLAG_SHUTDOWN, &jme->flags);
1276 jwrite32(jme, JME_TMCSR,
1277 TMCSR_EN | ((0xFFFFFF - APMC_PHP_SHUTDOWN_DELAY) & TMCSR_CNT));
1281 jme_stop_shutdown_timer(struct jme_adapter *jme)
1285 jwrite32f(jme, JME_TMCSR, 0);
1286 jwrite32f(jme, JME_TIMER2, 0);
1287 clear_bit(JME_FLAG_SHUTDOWN, &jme->flags);
1289 apmc = jread32(jme, JME_APMC);
1290 apmc &= ~(JME_APMC_PCIE_SD_EN | JME_APMC_EPIEN_CTRL);
1291 jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_DIS);
1293 jwrite32f(jme, JME_APMC, apmc);
1297 jme_link_change_tasklet(unsigned long arg)
1299 struct jme_adapter *jme = (struct jme_adapter *)arg;
1300 struct net_device *netdev = jme->dev;
1303 while (!atomic_dec_and_test(&jme->link_changing)) {
1304 atomic_inc(&jme->link_changing);
1305 netif_info(jme, intr, jme->dev, "Get link change lock failed\n");
1306 while (atomic_read(&jme->link_changing) != 1)
1307 netif_info(jme, intr, jme->dev, "Waiting link change lock\n");
1310 if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu)
1313 jme->old_mtu = netdev->mtu;
1314 netif_stop_queue(netdev);
1315 if (jme_pseudo_hotplug_enabled(jme))
1316 jme_stop_shutdown_timer(jme);
1318 jme_stop_pcc_timer(jme);
1319 tasklet_disable(&jme->txclean_task);
1320 tasklet_disable(&jme->rxclean_task);
1321 tasklet_disable(&jme->rxempty_task);
1323 if (netif_carrier_ok(netdev)) {
1324 jme_disable_rx_engine(jme);
1325 jme_disable_tx_engine(jme);
1326 jme_reset_mac_processor(jme);
1327 jme_free_rx_resources(jme);
1328 jme_free_tx_resources(jme);
1330 if (test_bit(JME_FLAG_POLL, &jme->flags))
1331 jme_polling_mode(jme);
1333 netif_carrier_off(netdev);
1336 jme_check_link(netdev, 0);
1337 if (netif_carrier_ok(netdev)) {
1338 rc = jme_setup_rx_resources(jme);
1340 pr_err("Allocating resources for RX error, Device STOPPED!\n");
1341 goto out_enable_tasklet;
1344 rc = jme_setup_tx_resources(jme);
1346 pr_err("Allocating resources for TX error, Device STOPPED!\n");
1347 goto err_out_free_rx_resources;
1350 jme_enable_rx_engine(jme);
1351 jme_enable_tx_engine(jme);
1353 netif_start_queue(netdev);
1355 if (test_bit(JME_FLAG_POLL, &jme->flags))
1356 jme_interrupt_mode(jme);
1358 jme_start_pcc_timer(jme);
1359 } else if (jme_pseudo_hotplug_enabled(jme)) {
1360 jme_start_shutdown_timer(jme);
1363 goto out_enable_tasklet;
1365 err_out_free_rx_resources:
1366 jme_free_rx_resources(jme);
1368 tasklet_enable(&jme->txclean_task);
1369 tasklet_enable(&jme->rxclean_task);
1370 tasklet_enable(&jme->rxempty_task);
1372 atomic_inc(&jme->link_changing);
1376 jme_rx_clean_tasklet(unsigned long arg)
1378 struct jme_adapter *jme = (struct jme_adapter *)arg;
1379 struct dynpcc_info *dpi = &(jme->dpi);
1381 jme_process_receive(jme, jme->rx_ring_size);
1387 jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget))
1389 struct jme_adapter *jme = jme_napi_priv(holder);
1392 rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget));
1394 while (atomic_read(&jme->rx_empty) > 0) {
1395 atomic_dec(&jme->rx_empty);
1396 ++(NET_STAT(jme).rx_dropped);
1397 jme_restart_rx_engine(jme);
1399 atomic_inc(&jme->rx_empty);
1402 JME_RX_COMPLETE(netdev, holder);
1403 jme_interrupt_mode(jme);
1406 JME_NAPI_WEIGHT_SET(budget, rest);
1407 return JME_NAPI_WEIGHT_VAL(budget) - rest;
1411 jme_rx_empty_tasklet(unsigned long arg)
1413 struct jme_adapter *jme = (struct jme_adapter *)arg;
1415 if (unlikely(atomic_read(&jme->link_changing) != 1))
1418 if (unlikely(!netif_carrier_ok(jme->dev)))
1421 netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n");
1423 jme_rx_clean_tasklet(arg);
1425 while (atomic_read(&jme->rx_empty) > 0) {
1426 atomic_dec(&jme->rx_empty);
1427 ++(NET_STAT(jme).rx_dropped);
1428 jme_restart_rx_engine(jme);
1430 atomic_inc(&jme->rx_empty);
1434 jme_wake_queue_if_stopped(struct jme_adapter *jme)
1436 struct jme_ring *txring = &(jme->txring[0]);
1439 if (unlikely(netif_queue_stopped(jme->dev) &&
1440 atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) {
1441 netif_info(jme, tx_done, jme->dev, "TX Queue Waked\n");
1442 netif_wake_queue(jme->dev);
1448 jme_tx_clean_tasklet(unsigned long arg)
1450 struct jme_adapter *jme = (struct jme_adapter *)arg;
1451 struct jme_ring *txring = &(jme->txring[0]);
1452 struct txdesc *txdesc = txring->desc;
1453 struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi;
1454 int i, j, cnt = 0, max, err, mask;
1456 tx_dbg(jme, "Into txclean\n");
1458 if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning)))
1461 if (unlikely(atomic_read(&jme->link_changing) != 1))
1464 if (unlikely(!netif_carrier_ok(jme->dev)))
1467 max = jme->tx_ring_size - atomic_read(&txring->nr_free);
1468 mask = jme->tx_ring_mask;
1470 for (i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) {
1474 if (likely(ctxbi->skb &&
1475 !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) {
1477 tx_dbg(jme, "txclean: %d+%d@%lu\n",
1478 i, ctxbi->nr_desc, jiffies);
1480 err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR;
1482 for (j = 1 ; j < ctxbi->nr_desc ; ++j) {
1483 ttxbi = txbi + ((i + j) & (mask));
1484 txdesc[(i + j) & (mask)].dw[0] = 0;
1486 pci_unmap_page(jme->pdev,
1495 dev_kfree_skb(ctxbi->skb);
1497 cnt += ctxbi->nr_desc;
1499 if (unlikely(err)) {
1500 ++(NET_STAT(jme).tx_carrier_errors);
1502 ++(NET_STAT(jme).tx_packets);
1503 NET_STAT(jme).tx_bytes += ctxbi->len;
1508 ctxbi->start_xmit = 0;
1514 i = (i + ctxbi->nr_desc) & mask;
1519 tx_dbg(jme, "txclean: done %d@%lu\n", i, jiffies);
1520 atomic_set(&txring->next_to_clean, i);
1521 atomic_add(cnt, &txring->nr_free);
1523 jme_wake_queue_if_stopped(jme);
1526 atomic_inc(&jme->tx_cleaning);
1530 jme_intr_msi(struct jme_adapter *jme, u32 intrstat)
1535 jwrite32f(jme, JME_IENC, INTR_ENABLE);
1537 if (intrstat & (INTR_LINKCH | INTR_SWINTR)) {
1539 * Link change event is critical
1540 * all other events are ignored
1542 jwrite32(jme, JME_IEVE, intrstat);
1543 tasklet_schedule(&jme->linkch_task);
1547 if (intrstat & INTR_TMINTR) {
1548 jwrite32(jme, JME_IEVE, INTR_TMINTR);
1549 tasklet_schedule(&jme->pcc_task);
1552 if (intrstat & (INTR_PCCTXTO | INTR_PCCTX)) {
1553 jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0);
1554 tasklet_schedule(&jme->txclean_task);
1557 if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) {
1558 jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO |
1564 if (test_bit(JME_FLAG_POLL, &jme->flags)) {
1565 if (intrstat & INTR_RX0EMP)
1566 atomic_inc(&jme->rx_empty);
1568 if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) {
1569 if (likely(JME_RX_SCHEDULE_PREP(jme))) {
1570 jme_polling_mode(jme);
1571 JME_RX_SCHEDULE(jme);
1575 if (intrstat & INTR_RX0EMP) {
1576 atomic_inc(&jme->rx_empty);
1577 tasklet_hi_schedule(&jme->rxempty_task);
1578 } else if (intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) {
1579 tasklet_hi_schedule(&jme->rxclean_task);
1585 * Re-enable interrupt
1587 jwrite32f(jme, JME_IENS, INTR_ENABLE);
1591 jme_intr(int irq, void *dev_id)
1593 struct net_device *netdev = dev_id;
1594 struct jme_adapter *jme = netdev_priv(netdev);
1597 intrstat = jread32(jme, JME_IEVE);
1600 * Check if it's really an interrupt for us
1602 if (unlikely((intrstat & INTR_ENABLE) == 0))
1606 * Check if the device still exist
1608 if (unlikely(intrstat == ~((typeof(intrstat))0)))
1611 jme_intr_msi(jme, intrstat);
1617 jme_msi(int irq, void *dev_id)
1619 struct net_device *netdev = dev_id;
1620 struct jme_adapter *jme = netdev_priv(netdev);
1623 intrstat = jread32(jme, JME_IEVE);
1625 jme_intr_msi(jme, intrstat);
1631 jme_reset_link(struct jme_adapter *jme)
1633 jwrite32(jme, JME_TMCSR, TMCSR_SWIT);
1637 jme_restart_an(struct jme_adapter *jme)
1641 spin_lock_bh(&jme->phy_lock);
1642 bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
1643 bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
1644 jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
1645 spin_unlock_bh(&jme->phy_lock);
1649 jme_request_irq(struct jme_adapter *jme)
1652 struct net_device *netdev = jme->dev;
1653 irq_handler_t handler = jme_intr;
1654 int irq_flags = IRQF_SHARED;
1656 if (!pci_enable_msi(jme->pdev)) {
1657 set_bit(JME_FLAG_MSI, &jme->flags);
1662 rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name,
1666 "Unable to request %s interrupt (return: %d)\n",
1667 test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx",
1670 if (test_bit(JME_FLAG_MSI, &jme->flags)) {
1671 pci_disable_msi(jme->pdev);
1672 clear_bit(JME_FLAG_MSI, &jme->flags);
1675 netdev->irq = jme->pdev->irq;
1682 jme_free_irq(struct jme_adapter *jme)
1684 free_irq(jme->pdev->irq, jme->dev);
1685 if (test_bit(JME_FLAG_MSI, &jme->flags)) {
1686 pci_disable_msi(jme->pdev);
1687 clear_bit(JME_FLAG_MSI, &jme->flags);
1688 jme->dev->irq = jme->pdev->irq;
1693 jme_new_phy_on(struct jme_adapter *jme)
1697 reg = jread32(jme, JME_PHY_PWR);
1698 reg &= ~(PHY_PWR_DWN1SEL | PHY_PWR_DWN1SW |
1699 PHY_PWR_DWN2 | PHY_PWR_CLKSEL);
1700 jwrite32(jme, JME_PHY_PWR, reg);
1702 pci_read_config_dword(jme->pdev, PCI_PRIV_PE1, ®);
1703 reg &= ~PE1_GPREG0_PBG;
1704 reg |= PE1_GPREG0_ENBG;
1705 pci_write_config_dword(jme->pdev, PCI_PRIV_PE1, reg);
1709 jme_new_phy_off(struct jme_adapter *jme)
1713 reg = jread32(jme, JME_PHY_PWR);
1714 reg |= PHY_PWR_DWN1SEL | PHY_PWR_DWN1SW |
1715 PHY_PWR_DWN2 | PHY_PWR_CLKSEL;
1716 jwrite32(jme, JME_PHY_PWR, reg);
1718 pci_read_config_dword(jme->pdev, PCI_PRIV_PE1, ®);
1719 reg &= ~PE1_GPREG0_PBG;
1720 reg |= PE1_GPREG0_PDD3COLD;
1721 pci_write_config_dword(jme->pdev, PCI_PRIV_PE1, reg);
1725 jme_phy_on(struct jme_adapter *jme)
1729 bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
1730 bmcr &= ~BMCR_PDOWN;
1731 jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
1733 if (new_phy_power_ctrl(jme->chip_main_rev))
1734 jme_new_phy_on(jme);
1738 jme_phy_off(struct jme_adapter *jme)
1742 bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
1744 jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
1746 if (new_phy_power_ctrl(jme->chip_main_rev))
1747 jme_new_phy_off(jme);
1751 jme_phy_specreg_read(struct jme_adapter *jme, u32 specreg)
1755 phy_addr = JM_PHY_SPEC_REG_READ | specreg;
1756 jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
1758 return jme_mdio_read(jme->dev, jme->mii_if.phy_id,
1759 JM_PHY_SPEC_DATA_REG);
1763 jme_phy_specreg_write(struct jme_adapter *jme, u32 ext_reg, u32 phy_data)
1767 phy_addr = JM_PHY_SPEC_REG_WRITE | ext_reg;
1768 jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_DATA_REG,
1770 jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
1775 jme_phy_calibration(struct jme_adapter *jme)
1777 u32 ctrl1000, phy_data;
1781 /* Enabel PHY test mode 1 */
1782 ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
1783 ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
1784 ctrl1000 |= PHY_GAD_TEST_MODE_1;
1785 jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
1787 phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
1788 phy_data &= ~JM_PHY_EXT_COMM_2_CALI_MODE_0;
1789 phy_data |= JM_PHY_EXT_COMM_2_CALI_LATCH |
1790 JM_PHY_EXT_COMM_2_CALI_ENABLE;
1791 jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
1793 phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
1794 phy_data &= ~(JM_PHY_EXT_COMM_2_CALI_ENABLE |
1795 JM_PHY_EXT_COMM_2_CALI_MODE_0 |
1796 JM_PHY_EXT_COMM_2_CALI_LATCH);
1797 jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
1799 /* Disable PHY test mode */
1800 ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
1801 ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
1802 jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
1807 jme_phy_setEA(struct jme_adapter *jme)
1809 u32 phy_comm0 = 0, phy_comm1 = 0;
1812 pci_read_config_byte(jme->pdev, PCI_PRIV_SHARE_NICCTRL, &nic_ctrl);
1813 if ((nic_ctrl & 0x3) == JME_FLAG_PHYEA_ENABLE)
1816 switch (jme->pdev->device) {
1817 case PCI_DEVICE_ID_JMICRON_JMC250:
1818 if (((jme->chip_main_rev == 5) &&
1819 ((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
1820 (jme->chip_sub_rev == 3))) ||
1821 (jme->chip_main_rev >= 6)) {
1825 if ((jme->chip_main_rev == 3) &&
1826 ((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
1829 case PCI_DEVICE_ID_JMICRON_JMC260:
1830 if (((jme->chip_main_rev == 5) &&
1831 ((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
1832 (jme->chip_sub_rev == 3))) ||
1833 (jme->chip_main_rev >= 6)) {
1837 if ((jme->chip_main_rev == 3) &&
1838 ((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
1840 if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 0))
1842 if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 2))
1849 jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_0_REG, phy_comm0);
1851 jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_1_REG, phy_comm1);
1857 jme_open(struct net_device *netdev)
1859 struct jme_adapter *jme = netdev_priv(netdev);
1862 jme_clear_pm_disable_wol(jme);
1863 JME_NAPI_ENABLE(jme);
1865 tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
1866 (unsigned long) jme);
1867 tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet,
1868 (unsigned long) jme);
1869 tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet,
1870 (unsigned long) jme);
1871 tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet,
1872 (unsigned long) jme);
1874 rc = jme_request_irq(jme);
1881 if (test_bit(JME_FLAG_SSET, &jme->flags))
1882 jme_set_link_ksettings(netdev, &jme->old_cmd);
1884 jme_reset_phy_processor(jme);
1885 jme_phy_calibration(jme);
1887 jme_reset_link(jme);
1892 netif_stop_queue(netdev);
1893 netif_carrier_off(netdev);
1898 jme_set_100m_half(struct jme_adapter *jme)
1903 bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
1904 tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 |
1905 BMCR_SPEED1000 | BMCR_FULLDPLX);
1906 tmp |= BMCR_SPEED100;
1909 jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp);
1912 jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL);
1914 jwrite32(jme, JME_GHC, GHC_SPEED_100M);
1917 #define JME_WAIT_LINK_TIME 2000 /* 2000ms */
1919 jme_wait_link(struct jme_adapter *jme)
1921 u32 phylink, to = JME_WAIT_LINK_TIME;
1924 phylink = jme_linkstat_from_phy(jme);
1925 while (!(phylink & PHY_LINK_UP) && (to -= 10) > 0) {
1927 phylink = jme_linkstat_from_phy(jme);
1932 jme_powersave_phy(struct jme_adapter *jme)
1934 if (jme->reg_pmcs && device_may_wakeup(&jme->pdev->dev)) {
1935 jme_set_100m_half(jme);
1936 if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
1938 jme_clear_pm_enable_wol(jme);
1945 jme_close(struct net_device *netdev)
1947 struct jme_adapter *jme = netdev_priv(netdev);
1949 netif_stop_queue(netdev);
1950 netif_carrier_off(netdev);
1955 JME_NAPI_DISABLE(jme);
1957 tasklet_kill(&jme->linkch_task);
1958 tasklet_kill(&jme->txclean_task);
1959 tasklet_kill(&jme->rxclean_task);
1960 tasklet_kill(&jme->rxempty_task);
1962 jme_disable_rx_engine(jme);
1963 jme_disable_tx_engine(jme);
1964 jme_reset_mac_processor(jme);
1965 jme_free_rx_resources(jme);
1966 jme_free_tx_resources(jme);
1974 jme_alloc_txdesc(struct jme_adapter *jme,
1975 struct sk_buff *skb)
1977 struct jme_ring *txring = &(jme->txring[0]);
1978 int idx, nr_alloc, mask = jme->tx_ring_mask;
1980 idx = txring->next_to_use;
1981 nr_alloc = skb_shinfo(skb)->nr_frags + 2;
1983 if (unlikely(atomic_read(&txring->nr_free) < nr_alloc))
1986 atomic_sub(nr_alloc, &txring->nr_free);
1988 txring->next_to_use = (txring->next_to_use + nr_alloc) & mask;
1994 jme_fill_tx_map(struct pci_dev *pdev,
1995 struct txdesc *txdesc,
1996 struct jme_buffer_info *txbi,
2004 dmaaddr = pci_map_page(pdev,
2010 if (unlikely(pci_dma_mapping_error(pdev, dmaaddr)))
2013 pci_dma_sync_single_for_device(pdev,
2020 txdesc->desc2.flags = TXFLAG_OWN;
2021 txdesc->desc2.flags |= (hidma) ? TXFLAG_64BIT : 0;
2022 txdesc->desc2.datalen = cpu_to_le16(len);
2023 txdesc->desc2.bufaddrh = cpu_to_le32((__u64)dmaaddr >> 32);
2024 txdesc->desc2.bufaddrl = cpu_to_le32(
2025 (__u64)dmaaddr & 0xFFFFFFFFUL);
2027 txbi->mapping = dmaaddr;
2032 static void jme_drop_tx_map(struct jme_adapter *jme, int startidx, int count)
2034 struct jme_ring *txring = &(jme->txring[0]);
2035 struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
2036 int mask = jme->tx_ring_mask;
2039 for (j = 0 ; j < count ; j++) {
2040 ctxbi = txbi + ((startidx + j + 2) & (mask));
2041 pci_unmap_page(jme->pdev,
2053 jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
2055 struct jme_ring *txring = &(jme->txring[0]);
2056 struct txdesc *txdesc = txring->desc, *ctxdesc;
2057 struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
2058 bool hidma = jme->dev->features & NETIF_F_HIGHDMA;
2059 int i, nr_frags = skb_shinfo(skb)->nr_frags;
2060 int mask = jme->tx_ring_mask;
2061 const struct skb_frag_struct *frag;
2065 for (i = 0 ; i < nr_frags ; ++i) {
2066 frag = &skb_shinfo(skb)->frags[i];
2067 ctxdesc = txdesc + ((idx + i + 2) & (mask));
2068 ctxbi = txbi + ((idx + i + 2) & (mask));
2070 ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
2071 skb_frag_page(frag),
2072 frag->page_offset, skb_frag_size(frag), hidma);
2074 jme_drop_tx_map(jme, idx, i);
2080 len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
2081 ctxdesc = txdesc + ((idx + 1) & (mask));
2082 ctxbi = txbi + ((idx + 1) & (mask));
2083 ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
2084 offset_in_page(skb->data), len, hidma);
2086 jme_drop_tx_map(jme, idx, i);
2095 jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
2097 *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT);
2099 *flags |= TXFLAG_LSEN;
2101 if (skb->protocol == htons(ETH_P_IP)) {
2102 struct iphdr *iph = ip_hdr(skb);
2105 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
2110 struct ipv6hdr *ip6h = ipv6_hdr(skb);
2112 tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr,
2125 jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags)
2127 if (skb->ip_summed == CHECKSUM_PARTIAL) {
2130 switch (skb->protocol) {
2131 case htons(ETH_P_IP):
2132 ip_proto = ip_hdr(skb)->protocol;
2134 case htons(ETH_P_IPV6):
2135 ip_proto = ipv6_hdr(skb)->nexthdr;
2144 *flags |= TXFLAG_TCPCS;
2147 *flags |= TXFLAG_UDPCS;
2150 netif_err(jme, tx_err, jme->dev, "Error upper layer protocol\n");
2157 jme_tx_vlan(struct sk_buff *skb, __le16 *vlan, u8 *flags)
2159 if (skb_vlan_tag_present(skb)) {
2160 *flags |= TXFLAG_TAGON;
2161 *vlan = cpu_to_le16(skb_vlan_tag_get(skb));
2166 jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
2168 struct jme_ring *txring = &(jme->txring[0]);
2169 struct txdesc *txdesc;
2170 struct jme_buffer_info *txbi;
2174 txdesc = (struct txdesc *)txring->desc + idx;
2175 txbi = txring->bufinf + idx;
2181 txdesc->desc1.pktsize = cpu_to_le16(skb->len);
2183 * Set OWN bit at final.
2184 * When kernel transmit faster than NIC.
2185 * And NIC trying to send this descriptor before we tell
2186 * it to start sending this TX queue.
2187 * Other fields are already filled correctly.
2190 flags = TXFLAG_OWN | TXFLAG_INT;
2192 * Set checksum flags while not tso
2194 if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags))
2195 jme_tx_csum(jme, skb, &flags);
2196 jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags);
2197 ret = jme_map_tx_skb(jme, skb, idx);
2201 txdesc->desc1.flags = flags;
2203 * Set tx buffer info after telling NIC to send
2204 * For better tx_clean timing
2207 txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2;
2209 txbi->len = skb->len;
2210 txbi->start_xmit = jiffies;
2211 if (!txbi->start_xmit)
2212 txbi->start_xmit = (0UL-1);
2218 jme_stop_queue_if_full(struct jme_adapter *jme)
2220 struct jme_ring *txring = &(jme->txring[0]);
2221 struct jme_buffer_info *txbi = txring->bufinf;
2222 int idx = atomic_read(&txring->next_to_clean);
2227 if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) {
2228 netif_stop_queue(jme->dev);
2229 netif_info(jme, tx_queued, jme->dev, "TX Queue Paused\n");
2231 if (atomic_read(&txring->nr_free)
2232 >= (jme->tx_wake_threshold)) {
2233 netif_wake_queue(jme->dev);
2234 netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked\n");
2238 if (unlikely(txbi->start_xmit &&
2239 (jiffies - txbi->start_xmit) >= TX_TIMEOUT &&
2241 netif_stop_queue(jme->dev);
2242 netif_info(jme, tx_queued, jme->dev,
2243 "TX Queue Stopped %d@%lu\n", idx, jiffies);
2248 * This function is already protected by netif_tx_lock()
2252 jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
2254 struct jme_adapter *jme = netdev_priv(netdev);
2257 if (unlikely(skb_is_gso(skb) && skb_cow_head(skb, 0))) {
2258 dev_kfree_skb_any(skb);
2259 ++(NET_STAT(jme).tx_dropped);
2260 return NETDEV_TX_OK;
2263 idx = jme_alloc_txdesc(jme, skb);
2265 if (unlikely(idx < 0)) {
2266 netif_stop_queue(netdev);
2267 netif_err(jme, tx_err, jme->dev,
2268 "BUG! Tx ring full when queue awake!\n");
2270 return NETDEV_TX_BUSY;
2273 if (jme_fill_tx_desc(jme, skb, idx))
2274 return NETDEV_TX_OK;
2276 jwrite32(jme, JME_TXCS, jme->reg_txcs |
2277 TXCS_SELECT_QUEUE0 |
2281 tx_dbg(jme, "xmit: %d+%d@%lu\n",
2282 idx, skb_shinfo(skb)->nr_frags + 2, jiffies);
2283 jme_stop_queue_if_full(jme);
2285 return NETDEV_TX_OK;
2289 jme_set_unicastaddr(struct net_device *netdev)
2291 struct jme_adapter *jme = netdev_priv(netdev);
2294 val = (netdev->dev_addr[3] & 0xff) << 24 |
2295 (netdev->dev_addr[2] & 0xff) << 16 |
2296 (netdev->dev_addr[1] & 0xff) << 8 |
2297 (netdev->dev_addr[0] & 0xff);
2298 jwrite32(jme, JME_RXUMA_LO, val);
2299 val = (netdev->dev_addr[5] & 0xff) << 8 |
2300 (netdev->dev_addr[4] & 0xff);
2301 jwrite32(jme, JME_RXUMA_HI, val);
2305 jme_set_macaddr(struct net_device *netdev, void *p)
2307 struct jme_adapter *jme = netdev_priv(netdev);
2308 struct sockaddr *addr = p;
2310 if (netif_running(netdev))
2313 spin_lock_bh(&jme->macaddr_lock);
2314 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
2315 jme_set_unicastaddr(netdev);
2316 spin_unlock_bh(&jme->macaddr_lock);
2322 jme_set_multi(struct net_device *netdev)
2324 struct jme_adapter *jme = netdev_priv(netdev);
2325 u32 mc_hash[2] = {};
2327 spin_lock_bh(&jme->rxmcs_lock);
2329 jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME;
2331 if (netdev->flags & IFF_PROMISC) {
2332 jme->reg_rxmcs |= RXMCS_ALLFRAME;
2333 } else if (netdev->flags & IFF_ALLMULTI) {
2334 jme->reg_rxmcs |= RXMCS_ALLMULFRAME;
2335 } else if (netdev->flags & IFF_MULTICAST) {
2336 struct netdev_hw_addr *ha;
2339 jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED;
2340 netdev_for_each_mc_addr(ha, netdev) {
2341 bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3F;
2342 mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F);
2345 jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]);
2346 jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]);
2350 jwrite32(jme, JME_RXMCS, jme->reg_rxmcs);
2352 spin_unlock_bh(&jme->rxmcs_lock);
2356 jme_change_mtu(struct net_device *netdev, int new_mtu)
2358 struct jme_adapter *jme = netdev_priv(netdev);
2360 netdev->mtu = new_mtu;
2361 netdev_update_features(netdev);
2363 jme_restart_rx_engine(jme);
2364 jme_reset_link(jme);
2370 jme_tx_timeout(struct net_device *netdev)
2372 struct jme_adapter *jme = netdev_priv(netdev);
2375 jme_reset_phy_processor(jme);
2376 if (test_bit(JME_FLAG_SSET, &jme->flags))
2377 jme_set_link_ksettings(netdev, &jme->old_cmd);
2380 * Force to Reset the link again
2382 jme_reset_link(jme);
2385 static inline void jme_pause_rx(struct jme_adapter *jme)
2387 atomic_dec(&jme->link_changing);
2389 jme_set_rx_pcc(jme, PCC_OFF);
2390 if (test_bit(JME_FLAG_POLL, &jme->flags)) {
2391 JME_NAPI_DISABLE(jme);
2393 tasklet_disable(&jme->rxclean_task);
2394 tasklet_disable(&jme->rxempty_task);
2398 static inline void jme_resume_rx(struct jme_adapter *jme)
2400 struct dynpcc_info *dpi = &(jme->dpi);
2402 if (test_bit(JME_FLAG_POLL, &jme->flags)) {
2403 JME_NAPI_ENABLE(jme);
2405 tasklet_enable(&jme->rxclean_task);
2406 tasklet_enable(&jme->rxempty_task);
2409 dpi->attempt = PCC_P1;
2411 jme_set_rx_pcc(jme, PCC_P1);
2413 atomic_inc(&jme->link_changing);
2417 jme_get_drvinfo(struct net_device *netdev,
2418 struct ethtool_drvinfo *info)
2420 struct jme_adapter *jme = netdev_priv(netdev);
2422 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
2423 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
2424 strlcpy(info->bus_info, pci_name(jme->pdev), sizeof(info->bus_info));
2428 jme_get_regs_len(struct net_device *netdev)
2434 mmapio_memcpy(struct jme_adapter *jme, u32 *p, u32 reg, int len)
2438 for (i = 0 ; i < len ; i += 4)
2439 p[i >> 2] = jread32(jme, reg + i);
2443 mdio_memcpy(struct jme_adapter *jme, u32 *p, int reg_nr)
2446 u16 *p16 = (u16 *)p;
2448 for (i = 0 ; i < reg_nr ; ++i)
2449 p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i);
2453 jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
2455 struct jme_adapter *jme = netdev_priv(netdev);
2456 u32 *p32 = (u32 *)p;
2458 memset(p, 0xFF, JME_REG_LEN);
2461 mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN);
2464 mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN);
2467 mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN);
2470 mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN);
2473 mdio_memcpy(jme, p32, JME_PHY_REG_NR);
2477 jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
2479 struct jme_adapter *jme = netdev_priv(netdev);
2481 ecmd->tx_coalesce_usecs = PCC_TX_TO;
2482 ecmd->tx_max_coalesced_frames = PCC_TX_CNT;
2484 if (test_bit(JME_FLAG_POLL, &jme->flags)) {
2485 ecmd->use_adaptive_rx_coalesce = false;
2486 ecmd->rx_coalesce_usecs = 0;
2487 ecmd->rx_max_coalesced_frames = 0;
2491 ecmd->use_adaptive_rx_coalesce = true;
2493 switch (jme->dpi.cur) {
2495 ecmd->rx_coalesce_usecs = PCC_P1_TO;
2496 ecmd->rx_max_coalesced_frames = PCC_P1_CNT;
2499 ecmd->rx_coalesce_usecs = PCC_P2_TO;
2500 ecmd->rx_max_coalesced_frames = PCC_P2_CNT;
2503 ecmd->rx_coalesce_usecs = PCC_P3_TO;
2504 ecmd->rx_max_coalesced_frames = PCC_P3_CNT;
2514 jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
2516 struct jme_adapter *jme = netdev_priv(netdev);
2517 struct dynpcc_info *dpi = &(jme->dpi);
2519 if (netif_running(netdev))
2522 if (ecmd->use_adaptive_rx_coalesce &&
2523 test_bit(JME_FLAG_POLL, &jme->flags)) {
2524 clear_bit(JME_FLAG_POLL, &jme->flags);
2525 jme->jme_rx = netif_rx;
2527 dpi->attempt = PCC_P1;
2529 jme_set_rx_pcc(jme, PCC_P1);
2530 jme_interrupt_mode(jme);
2531 } else if (!(ecmd->use_adaptive_rx_coalesce) &&
2532 !(test_bit(JME_FLAG_POLL, &jme->flags))) {
2533 set_bit(JME_FLAG_POLL, &jme->flags);
2534 jme->jme_rx = netif_receive_skb;
2535 jme_interrupt_mode(jme);
2542 jme_get_pauseparam(struct net_device *netdev,
2543 struct ethtool_pauseparam *ecmd)
2545 struct jme_adapter *jme = netdev_priv(netdev);
2548 ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0;
2549 ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0;
2551 spin_lock_bh(&jme->phy_lock);
2552 val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE);
2553 spin_unlock_bh(&jme->phy_lock);
2556 (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0;
2560 jme_set_pauseparam(struct net_device *netdev,
2561 struct ethtool_pauseparam *ecmd)
2563 struct jme_adapter *jme = netdev_priv(netdev);
2566 if (((jme->reg_txpfc & TXPFC_PF_EN) != 0) ^
2567 (ecmd->tx_pause != 0)) {
2570 jme->reg_txpfc |= TXPFC_PF_EN;
2572 jme->reg_txpfc &= ~TXPFC_PF_EN;
2574 jwrite32(jme, JME_TXPFC, jme->reg_txpfc);
2577 spin_lock_bh(&jme->rxmcs_lock);
2578 if (((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) ^
2579 (ecmd->rx_pause != 0)) {
2582 jme->reg_rxmcs |= RXMCS_FLOWCTRL;
2584 jme->reg_rxmcs &= ~RXMCS_FLOWCTRL;
2586 jwrite32(jme, JME_RXMCS, jme->reg_rxmcs);
2588 spin_unlock_bh(&jme->rxmcs_lock);
2590 spin_lock_bh(&jme->phy_lock);
2591 val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE);
2592 if (((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) ^
2593 (ecmd->autoneg != 0)) {
2596 val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2598 val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2600 jme_mdio_write(jme->dev, jme->mii_if.phy_id,
2601 MII_ADVERTISE, val);
2603 spin_unlock_bh(&jme->phy_lock);
2609 jme_get_wol(struct net_device *netdev,
2610 struct ethtool_wolinfo *wol)
2612 struct jme_adapter *jme = netdev_priv(netdev);
2614 wol->supported = WAKE_MAGIC | WAKE_PHY;
2618 if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
2619 wol->wolopts |= WAKE_PHY;
2621 if (jme->reg_pmcs & PMCS_MFEN)
2622 wol->wolopts |= WAKE_MAGIC;
2627 jme_set_wol(struct net_device *netdev,
2628 struct ethtool_wolinfo *wol)
2630 struct jme_adapter *jme = netdev_priv(netdev);
2632 if (wol->wolopts & (WAKE_MAGICSECURE |
2641 if (wol->wolopts & WAKE_PHY)
2642 jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN;
2644 if (wol->wolopts & WAKE_MAGIC)
2645 jme->reg_pmcs |= PMCS_MFEN;
2651 jme_get_link_ksettings(struct net_device *netdev,
2652 struct ethtool_link_ksettings *cmd)
2654 struct jme_adapter *jme = netdev_priv(netdev);
2657 spin_lock_bh(&jme->phy_lock);
2658 rc = mii_ethtool_get_link_ksettings(&jme->mii_if, cmd);
2659 spin_unlock_bh(&jme->phy_lock);
2664 jme_set_link_ksettings(struct net_device *netdev,
2665 const struct ethtool_link_ksettings *cmd)
2667 struct jme_adapter *jme = netdev_priv(netdev);
2670 if (cmd->base.speed == SPEED_1000 &&
2671 cmd->base.autoneg != AUTONEG_ENABLE)
2675 * Check If user changed duplex only while force_media.
2676 * Hardware would not generate link change interrupt.
2678 if (jme->mii_if.force_media &&
2679 cmd->base.autoneg != AUTONEG_ENABLE &&
2680 (jme->mii_if.full_duplex != cmd->base.duplex))
2683 spin_lock_bh(&jme->phy_lock);
2684 rc = mii_ethtool_set_link_ksettings(&jme->mii_if, cmd);
2685 spin_unlock_bh(&jme->phy_lock);
2689 jme_reset_link(jme);
2690 jme->old_cmd = *cmd;
2691 set_bit(JME_FLAG_SSET, &jme->flags);
2698 jme_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
2701 struct jme_adapter *jme = netdev_priv(netdev);
2702 struct mii_ioctl_data *mii_data = if_mii(rq);
2703 unsigned int duplex_chg;
2705 if (cmd == SIOCSMIIREG) {
2706 u16 val = mii_data->val_in;
2707 if (!(val & (BMCR_RESET|BMCR_ANENABLE)) &&
2708 (val & BMCR_SPEED1000))
2712 spin_lock_bh(&jme->phy_lock);
2713 rc = generic_mii_ioctl(&jme->mii_if, mii_data, cmd, &duplex_chg);
2714 spin_unlock_bh(&jme->phy_lock);
2716 if (!rc && (cmd == SIOCSMIIREG)) {
2718 jme_reset_link(jme);
2719 jme_get_link_ksettings(netdev, &jme->old_cmd);
2720 set_bit(JME_FLAG_SSET, &jme->flags);
2727 jme_get_link(struct net_device *netdev)
2729 struct jme_adapter *jme = netdev_priv(netdev);
2730 return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP;
2734 jme_get_msglevel(struct net_device *netdev)
2736 struct jme_adapter *jme = netdev_priv(netdev);
2737 return jme->msg_enable;
2741 jme_set_msglevel(struct net_device *netdev, u32 value)
2743 struct jme_adapter *jme = netdev_priv(netdev);
2744 jme->msg_enable = value;
2747 static netdev_features_t
2748 jme_fix_features(struct net_device *netdev, netdev_features_t features)
2750 if (netdev->mtu > 1900)
2751 features &= ~(NETIF_F_ALL_TSO | NETIF_F_CSUM_MASK);
2756 jme_set_features(struct net_device *netdev, netdev_features_t features)
2758 struct jme_adapter *jme = netdev_priv(netdev);
2760 spin_lock_bh(&jme->rxmcs_lock);
2761 if (features & NETIF_F_RXCSUM)
2762 jme->reg_rxmcs |= RXMCS_CHECKSUM;
2764 jme->reg_rxmcs &= ~RXMCS_CHECKSUM;
2765 jwrite32(jme, JME_RXMCS, jme->reg_rxmcs);
2766 spin_unlock_bh(&jme->rxmcs_lock);
2771 #ifdef CONFIG_NET_POLL_CONTROLLER
2772 static void jme_netpoll(struct net_device *dev)
2774 unsigned long flags;
2776 local_irq_save(flags);
2777 jme_intr(dev->irq, dev);
2778 local_irq_restore(flags);
2783 jme_nway_reset(struct net_device *netdev)
2785 struct jme_adapter *jme = netdev_priv(netdev);
2786 jme_restart_an(jme);
2791 jme_smb_read(struct jme_adapter *jme, unsigned int addr)
2796 val = jread32(jme, JME_SMBCSR);
2797 to = JME_SMB_BUSY_TIMEOUT;
2798 while ((val & SMBCSR_BUSY) && --to) {
2800 val = jread32(jme, JME_SMBCSR);
2803 netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
2807 jwrite32(jme, JME_SMBINTF,
2808 ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) |
2809 SMBINTF_HWRWN_READ |
2812 val = jread32(jme, JME_SMBINTF);
2813 to = JME_SMB_BUSY_TIMEOUT;
2814 while ((val & SMBINTF_HWCMD) && --to) {
2816 val = jread32(jme, JME_SMBINTF);
2819 netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
2823 return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT;
2827 jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data)
2832 val = jread32(jme, JME_SMBCSR);
2833 to = JME_SMB_BUSY_TIMEOUT;
2834 while ((val & SMBCSR_BUSY) && --to) {
2836 val = jread32(jme, JME_SMBCSR);
2839 netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
2843 jwrite32(jme, JME_SMBINTF,
2844 ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) |
2845 ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) |
2846 SMBINTF_HWRWN_WRITE |
2849 val = jread32(jme, JME_SMBINTF);
2850 to = JME_SMB_BUSY_TIMEOUT;
2851 while ((val & SMBINTF_HWCMD) && --to) {
2853 val = jread32(jme, JME_SMBINTF);
2856 netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
2864 jme_get_eeprom_len(struct net_device *netdev)
2866 struct jme_adapter *jme = netdev_priv(netdev);
2868 val = jread32(jme, JME_SMBCSR);
2869 return (val & SMBCSR_EEPROMD) ? JME_SMB_LEN : 0;
2873 jme_get_eeprom(struct net_device *netdev,
2874 struct ethtool_eeprom *eeprom, u8 *data)
2876 struct jme_adapter *jme = netdev_priv(netdev);
2877 int i, offset = eeprom->offset, len = eeprom->len;
2880 * ethtool will check the boundary for us
2882 eeprom->magic = JME_EEPROM_MAGIC;
2883 for (i = 0 ; i < len ; ++i)
2884 data[i] = jme_smb_read(jme, i + offset);
2890 jme_set_eeprom(struct net_device *netdev,
2891 struct ethtool_eeprom *eeprom, u8 *data)
2893 struct jme_adapter *jme = netdev_priv(netdev);
2894 int i, offset = eeprom->offset, len = eeprom->len;
2896 if (eeprom->magic != JME_EEPROM_MAGIC)
2900 * ethtool will check the boundary for us
2902 for (i = 0 ; i < len ; ++i)
2903 jme_smb_write(jme, i + offset, data[i]);
2908 static const struct ethtool_ops jme_ethtool_ops = {
2909 .get_drvinfo = jme_get_drvinfo,
2910 .get_regs_len = jme_get_regs_len,
2911 .get_regs = jme_get_regs,
2912 .get_coalesce = jme_get_coalesce,
2913 .set_coalesce = jme_set_coalesce,
2914 .get_pauseparam = jme_get_pauseparam,
2915 .set_pauseparam = jme_set_pauseparam,
2916 .get_wol = jme_get_wol,
2917 .set_wol = jme_set_wol,
2918 .get_link = jme_get_link,
2919 .get_msglevel = jme_get_msglevel,
2920 .set_msglevel = jme_set_msglevel,
2921 .nway_reset = jme_nway_reset,
2922 .get_eeprom_len = jme_get_eeprom_len,
2923 .get_eeprom = jme_get_eeprom,
2924 .set_eeprom = jme_set_eeprom,
2925 .get_link_ksettings = jme_get_link_ksettings,
2926 .set_link_ksettings = jme_set_link_ksettings,
2930 jme_pci_dma64(struct pci_dev *pdev)
2932 if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
2933 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
2934 if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2937 if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
2938 !pci_set_dma_mask(pdev, DMA_BIT_MASK(40)))
2939 if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40)))
2942 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
2943 if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2950 jme_phy_init(struct jme_adapter *jme)
2954 reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26);
2955 jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000);
2959 jme_check_hw_ver(struct jme_adapter *jme)
2963 chipmode = jread32(jme, JME_CHIPMODE);
2965 jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT;
2966 jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT;
2967 jme->chip_main_rev = jme->chiprev & 0xF;
2968 jme->chip_sub_rev = (jme->chiprev >> 4) & 0xF;
2971 static const struct net_device_ops jme_netdev_ops = {
2972 .ndo_open = jme_open,
2973 .ndo_stop = jme_close,
2974 .ndo_validate_addr = eth_validate_addr,
2975 .ndo_do_ioctl = jme_ioctl,
2976 .ndo_start_xmit = jme_start_xmit,
2977 .ndo_set_mac_address = jme_set_macaddr,
2978 .ndo_set_rx_mode = jme_set_multi,
2979 .ndo_change_mtu = jme_change_mtu,
2980 .ndo_tx_timeout = jme_tx_timeout,
2981 .ndo_fix_features = jme_fix_features,
2982 .ndo_set_features = jme_set_features,
2983 #ifdef CONFIG_NET_POLL_CONTROLLER
2984 .ndo_poll_controller = jme_netpoll,
2989 jme_init_one(struct pci_dev *pdev,
2990 const struct pci_device_id *ent)
2992 int rc = 0, using_dac, i;
2993 struct net_device *netdev;
2994 struct jme_adapter *jme;
2999 * set up PCI device basics
3001 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3002 PCIE_LINK_STATE_CLKPM);
3004 rc = pci_enable_device(pdev);
3006 pr_err("Cannot enable PCI device\n");
3010 using_dac = jme_pci_dma64(pdev);
3011 if (using_dac < 0) {
3012 pr_err("Cannot set PCI DMA Mask\n");
3014 goto err_out_disable_pdev;
3017 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
3018 pr_err("No PCI resource region found\n");
3020 goto err_out_disable_pdev;
3023 rc = pci_request_regions(pdev, DRV_NAME);
3025 pr_err("Cannot obtain PCI resource region\n");
3026 goto err_out_disable_pdev;
3029 pci_set_master(pdev);
3032 * alloc and init net device
3034 netdev = alloc_etherdev(sizeof(*jme));
3037 goto err_out_release_regions;
3039 netdev->netdev_ops = &jme_netdev_ops;
3040 netdev->ethtool_ops = &jme_ethtool_ops;
3041 netdev->watchdog_timeo = TX_TIMEOUT;
3042 netdev->hw_features = NETIF_F_IP_CSUM |
3048 netdev->features = NETIF_F_IP_CSUM |
3053 NETIF_F_HW_VLAN_CTAG_TX |
3054 NETIF_F_HW_VLAN_CTAG_RX;
3056 netdev->features |= NETIF_F_HIGHDMA;
3058 /* MTU range: 1280 - 9202*/
3059 netdev->min_mtu = IPV6_MIN_MTU;
3060 netdev->max_mtu = MAX_ETHERNET_JUMBO_PACKET_SIZE - ETH_HLEN;
3062 SET_NETDEV_DEV(netdev, &pdev->dev);
3063 pci_set_drvdata(pdev, netdev);
3068 jme = netdev_priv(netdev);
3071 jme->jme_rx = netif_rx;
3072 jme->old_mtu = netdev->mtu = 1500;
3074 jme->tx_ring_size = 1 << 10;
3075 jme->tx_ring_mask = jme->tx_ring_size - 1;
3076 jme->tx_wake_threshold = 1 << 9;
3077 jme->rx_ring_size = 1 << 9;
3078 jme->rx_ring_mask = jme->rx_ring_size - 1;
3079 jme->msg_enable = JME_DEF_MSG_ENABLE;
3080 jme->regs = ioremap(pci_resource_start(pdev, 0),
3081 pci_resource_len(pdev, 0));
3083 pr_err("Mapping PCI resource region error\n");
3085 goto err_out_free_netdev;
3089 apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN;
3090 jwrite32(jme, JME_APMC, apmc);
3091 } else if (force_pseudohp) {
3092 apmc = jread32(jme, JME_APMC) | JME_APMC_PSEUDO_HP_EN;
3093 jwrite32(jme, JME_APMC, apmc);
3096 NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, NAPI_POLL_WEIGHT)
3098 spin_lock_init(&jme->phy_lock);
3099 spin_lock_init(&jme->macaddr_lock);
3100 spin_lock_init(&jme->rxmcs_lock);
3102 atomic_set(&jme->link_changing, 1);
3103 atomic_set(&jme->rx_cleaning, 1);
3104 atomic_set(&jme->tx_cleaning, 1);
3105 atomic_set(&jme->rx_empty, 1);
3107 tasklet_init(&jme->pcc_task,
3109 (unsigned long) jme);
3110 jme->dpi.cur = PCC_P1;
3113 jme->reg_rxcs = RXCS_DEFAULT;
3114 jme->reg_rxmcs = RXMCS_DEFAULT;
3116 jme->reg_pmcs = PMCS_MFEN;
3117 jme->reg_gpreg1 = GPREG1_DEFAULT;
3119 if (jme->reg_rxmcs & RXMCS_CHECKSUM)
3120 netdev->features |= NETIF_F_RXCSUM;
3123 * Get Max Read Req Size from PCI Config Space
3125 pci_read_config_byte(pdev, PCI_DCSR_MRRS, &jme->mrrs);
3126 jme->mrrs &= PCI_DCSR_MRRS_MASK;
3127 switch (jme->mrrs) {
3129 jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B;
3132 jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B;
3135 jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B;
3140 * Must check before reset_mac_processor
3142 jme_check_hw_ver(jme);
3143 jme->mii_if.dev = netdev;
3145 jme->mii_if.phy_id = 0;
3146 for (i = 1 ; i < 32 ; ++i) {
3147 bmcr = jme_mdio_read(netdev, i, MII_BMCR);
3148 bmsr = jme_mdio_read(netdev, i, MII_BMSR);
3149 if (bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) {
3150 jme->mii_if.phy_id = i;
3155 if (!jme->mii_if.phy_id) {
3157 pr_err("Can not find phy_id\n");
3161 jme->reg_ghc |= GHC_LINK_POLL;
3163 jme->mii_if.phy_id = 1;
3165 if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250)
3166 jme->mii_if.supports_gmii = true;
3168 jme->mii_if.supports_gmii = false;
3169 jme->mii_if.phy_id_mask = 0x1F;
3170 jme->mii_if.reg_num_mask = 0x1F;
3171 jme->mii_if.mdio_read = jme_mdio_read;
3172 jme->mii_if.mdio_write = jme_mdio_write;
3174 jme_clear_pm_disable_wol(jme);
3175 device_init_wakeup(&pdev->dev, true);
3177 jme_set_phyfifo_5level(jme);
3178 jme->pcirev = pdev->revision;
3184 * Reset MAC processor and reload EEPROM for MAC Address
3186 jme_reset_mac_processor(jme);
3187 rc = jme_reload_eeprom(jme);
3189 pr_err("Reload eeprom for reading MAC Address error\n");
3192 jme_load_macaddr(netdev);
3195 * Tell stack that we are not ready to work until open()
3197 netif_carrier_off(netdev);
3199 rc = register_netdev(netdev);
3201 pr_err("Cannot register net device\n");
3205 netif_info(jme, probe, jme->dev, "%s%s chiprev:%x pcirev:%x macaddr:%pM\n",
3206 (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ?
3207 "JMC250 Gigabit Ethernet" :
3208 (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ?
3209 "JMC260 Fast Ethernet" : "Unknown",
3210 (jme->fpgaver != 0) ? " (FPGA)" : "",
3211 (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev,
3212 jme->pcirev, netdev->dev_addr);
3218 err_out_free_netdev:
3219 free_netdev(netdev);
3220 err_out_release_regions:
3221 pci_release_regions(pdev);
3222 err_out_disable_pdev:
3223 pci_disable_device(pdev);
3229 jme_remove_one(struct pci_dev *pdev)
3231 struct net_device *netdev = pci_get_drvdata(pdev);
3232 struct jme_adapter *jme = netdev_priv(netdev);
3234 unregister_netdev(netdev);
3236 free_netdev(netdev);
3237 pci_release_regions(pdev);
3238 pci_disable_device(pdev);
3243 jme_shutdown(struct pci_dev *pdev)
3245 struct net_device *netdev = pci_get_drvdata(pdev);
3246 struct jme_adapter *jme = netdev_priv(netdev);
3248 jme_powersave_phy(jme);
3249 pci_pme_active(pdev, true);
3252 #ifdef CONFIG_PM_SLEEP
3254 jme_suspend(struct device *dev)
3256 struct pci_dev *pdev = to_pci_dev(dev);
3257 struct net_device *netdev = pci_get_drvdata(pdev);
3258 struct jme_adapter *jme = netdev_priv(netdev);
3260 if (!netif_running(netdev))
3263 atomic_dec(&jme->link_changing);
3265 netif_device_detach(netdev);
3266 netif_stop_queue(netdev);
3269 tasklet_disable(&jme->txclean_task);
3270 tasklet_disable(&jme->rxclean_task);
3271 tasklet_disable(&jme->rxempty_task);
3273 if (netif_carrier_ok(netdev)) {
3274 if (test_bit(JME_FLAG_POLL, &jme->flags))
3275 jme_polling_mode(jme);
3277 jme_stop_pcc_timer(jme);
3278 jme_disable_rx_engine(jme);
3279 jme_disable_tx_engine(jme);
3280 jme_reset_mac_processor(jme);
3281 jme_free_rx_resources(jme);
3282 jme_free_tx_resources(jme);
3283 netif_carrier_off(netdev);
3287 tasklet_enable(&jme->txclean_task);
3288 tasklet_enable(&jme->rxclean_task);
3289 tasklet_enable(&jme->rxempty_task);
3291 jme_powersave_phy(jme);
3297 jme_resume(struct device *dev)
3299 struct pci_dev *pdev = to_pci_dev(dev);
3300 struct net_device *netdev = pci_get_drvdata(pdev);
3301 struct jme_adapter *jme = netdev_priv(netdev);
3303 if (!netif_running(netdev))
3306 jme_clear_pm_disable_wol(jme);
3308 if (test_bit(JME_FLAG_SSET, &jme->flags))
3309 jme_set_link_ksettings(netdev, &jme->old_cmd);
3311 jme_reset_phy_processor(jme);
3312 jme_phy_calibration(jme);
3314 netif_device_attach(netdev);
3316 atomic_inc(&jme->link_changing);
3318 jme_reset_link(jme);
3325 static SIMPLE_DEV_PM_OPS(jme_pm_ops, jme_suspend, jme_resume);
3326 #define JME_PM_OPS (&jme_pm_ops)
3330 #define JME_PM_OPS NULL
3333 static const struct pci_device_id jme_pci_tbl[] = {
3334 { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) },
3335 { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) },
3339 static struct pci_driver jme_driver = {
3341 .id_table = jme_pci_tbl,
3342 .probe = jme_init_one,
3343 .remove = jme_remove_one,
3344 .shutdown = jme_shutdown,
3345 .driver.pm = JME_PM_OPS,
3349 jme_init_module(void)
3351 pr_info("JMicron JMC2XX ethernet driver version %s\n", DRV_VERSION);
3352 return pci_register_driver(&jme_driver);
3356 jme_cleanup_module(void)
3358 pci_unregister_driver(&jme_driver);
3361 module_init(jme_init_module);
3362 module_exit(jme_cleanup_module);
3364 MODULE_AUTHOR("Guo-Fu Tseng <cooldavid@cooldavid.org>");
3365 MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver");
3366 MODULE_LICENSE("GPL");
3367 MODULE_VERSION(DRV_VERSION);
3368 MODULE_DEVICE_TABLE(pci, jme_pci_tbl);