diff options
| author | yamt <yamt@NetBSD.org> | 2005-01-21 12:32:18 +0000 |
|---|---|---|
| committer | yamt <yamt@NetBSD.org> | 2005-01-21 12:32:18 +0000 |
| commit | a9b37be6a2c19b7e649ee0535740474e2c87f1d7 (patch) | |
| tree | d84c1614ab58860ae8ceef64fbe9b7f222f78299 /sys | |
| parent | 45b9175c686a08b0a0ed6206882ca44b6f8b86ef (diff) | |
- switch to dev/rtl8169.c from pci/if_re.c.
- enable re@cardbus.
both of re@pci and re@cardbus seem to work for me.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/conf/files | 3 | ||||
| -rw-r--r-- | sys/dev/cardbus/files.cardbus | 8 | ||||
| -rw-r--r-- | sys/dev/pci/files.pci | 8 | ||||
| -rw-r--r-- | sys/dev/pci/if_re.c | 2124 |
4 files changed, 13 insertions, 2130 deletions
diff --git a/sys/conf/files b/sys/conf/files index e6ea6d164e8..c7627d625ac 100644 --- a/sys/conf/files +++ b/sys/conf/files @@ -1,4 +1,4 @@ -# $NetBSD: files,v 1.708 2005/01/19 10:17:00 cube Exp $ +# $NetBSD: files,v 1.709 2005/01/21 12:32:18 yamt Exp $ # @(#)files.newconf 7.5 (Berkeley) 5/10/93 @@ -783,6 +783,7 @@ file dev/ic/rtl81x9.c rtk | re # Realtek 8169 Ethernet controllers # device re: ether, ifnet, arp, mii +file dev/ic/rtl8169.c re # Common code for ESDI/IDE/etc. controllers # diff --git a/sys/dev/cardbus/files.cardbus b/sys/dev/cardbus/files.cardbus index 898ece8a78c..cce06086d8c 100644 --- a/sys/dev/cardbus/files.cardbus +++ b/sys/dev/cardbus/files.cardbus @@ -1,4 +1,4 @@ -# $NetBSD: files.cardbus,v 1.24 2004/09/26 03:03:17 dyoung Exp $ +# $NetBSD: files.cardbus,v 1.25 2005/01/21 12:32:18 yamt Exp $ # # files.cardbus # @@ -105,3 +105,9 @@ file dev/cardbus/if_ath_cardbus.c ath_cardbus # attach njs at cardbus with njs_cardbus file dev/cardbus/njs_cardbus.c njs_cardbus + +# +# Realtek 8169 Ethernet controllers +# +attach re at cardbus with re_cardbus +file dev/cardbus/if_re_cardbus.c re_cardbus diff --git a/sys/dev/pci/files.pci b/sys/dev/pci/files.pci index 0c6e379234f..ab9e3b17692 100644 --- a/sys/dev/pci/files.pci +++ b/sys/dev/pci/files.pci @@ -1,4 +1,4 @@ -# $NetBSD: files.pci,v 1.228 2005/01/12 00:05:43 reinoud Exp $ +# $NetBSD: files.pci,v 1.229 2005/01/21 12:32:18 yamt Exp $ # # Config file and device description for machine-independent PCI code. # Included by ports that need it. Requires that the SCSI files be @@ -743,9 +743,9 @@ device dge: ether, ifnet, arp attach dge at pci file dev/pci/if_dge.c dge -# Realtek 8129/8139 Ethernet controllers -attach re at pci -file dev/pci/if_re.c re +# Realtek 8169 Ethernet controllers +attach re at pci with re_pci +file dev/pci/if_re_pci.c re_pci # Intel PRO/Wireless 2100 device ipw: ifnet, wlan diff --git a/sys/dev/pci/if_re.c b/sys/dev/pci/if_re.c deleted file mode 100644 index 6c64f40a8e8..00000000000 --- a/sys/dev/pci/if_re.c +++ /dev/null @@ -1,2124 +0,0 @@ -/* $NetBSD: if_re.c,v 1.6 2004/10/30 18:09:22 thorpej Exp $ */ -/* - * Copyright (c) 1997, 1998-2003 - * Bill Paul <wpaul@windriver.com>. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Bill Paul. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -/* $FreeBSD: /repoman/r/ncvs/src/sys/dev/re/if_re.c,v 1.20 2004/04/11 20:34:08 ru Exp $ */ - -/* - * RealTek 8139C+/8169/8169S/8110S PCI NIC driver - * - * Written by Bill Paul <wpaul@windriver.com> - * Senior Networking Software Engineer - * Wind River Systems - */ - -/* - * This driver is designed to support RealTek's next generation of - * 10/100 and 10/100/1000 PCI ethernet controllers. There are currently - * four devices in this family: the RTL8139C+, the RTL8169, the RTL8169S - * and the RTL8110S. - * - * The 8139C+ is a 10/100 ethernet chip. It is backwards compatible - * with the older 8139 family, however it also supports a special - * C+ mode of operation that provides several new performance enhancing - * features. These include: - * - * o Descriptor based DMA mechanism. Each descriptor represents - * a single packet fragment. Data buffers may be aligned on - * any byte boundary. - * - * o 64-bit DMA - * - * o TCP/IP checksum offload for both RX and TX - * - * o High and normal priority transmit DMA rings - * - * o VLAN tag insertion and extraction - * - * o TCP large send (segmentation offload) - * - * Like the 8139, the 8139C+ also has a built-in 10/100 PHY. The C+ - * programming API is fairly straightforward. The RX filtering, EEPROM - * access and PHY access is the same as it is on the older 8139 series - * chips. - * - * The 8169 is a 64-bit 10/100/1000 gigabit ethernet MAC. It has almost the - * same programming API and feature set as the 8139C+ with the following - * differences and additions: - * - * o 1000Mbps mode - * - * o Jumbo frames - * - * o GMII and TBI ports/registers for interfacing with copper - * or fiber PHYs - * - * o RX and TX DMA rings can have up to 1024 descriptors - * (the 8139C+ allows a maximum of 64) - * - * o Slight differences in register layout from the 8139C+ - * - * The TX start and timer interrupt registers are at different locations - * on the 8169 than they are on the 8139C+. Also, the status word in the - * RX descriptor has a slightly different bit layout. The 8169 does not - * have a built-in PHY. Most reference boards use a Marvell 88E1000 'Alaska' - * copper gigE PHY. - * - * The 8169S/8110S 10/100/1000 devices have built-in copper gigE PHYs - * (the 'S' stands for 'single-chip'). These devices have the same - * programming API as the older 8169, but also have some vendor-specific - * registers for the on-board PHY. The 8110S is a LAN-on-motherboard - * part designed to be pin-compatible with the RealTek 8100 10/100 chip. - * - * This driver takes advantage of the RX and TX checksum offload and - * VLAN tag insertion/extraction features. It also implements TX - * interrupt moderation using the timer interrupt registers, which - * significantly reduces TX interrupt load. There is also support - * for jumbo frames, however the 8169/8169S/8110S can not transmit - * jumbo frames larger than 7.5K, so the max MTU possible with this - * driver is 7500 bytes. - */ - -#include "bpfilter.h" -#include "vlan.h" - -#include <sys/param.h> -#include <sys/endian.h> -#include <sys/systm.h> -#include <sys/sockio.h> -#include <sys/mbuf.h> -#include <sys/malloc.h> -#include <sys/kernel.h> -#include <sys/socket.h> -#include <sys/device.h> - -#include <net/if.h> -#include <net/if_arp.h> -#include <net/if_dl.h> -#include <net/if_ether.h> -#include <net/if_media.h> -#include <net/if_vlanvar.h> - -#if NBPFILTER > 0 -#include <net/bpf.h> -#endif - -#include <machine/bus.h> - -#include <dev/mii/mii.h> -#include <dev/mii/miivar.h> - -#include <dev/pci/pcireg.h> -#include <dev/pci/pcivar.h> -#include <dev/pci/pcidevs.h> - -/* - * Default to using PIO access for this driver. - */ -#define RE_USEIOSPACE - -#include <dev/ic/rtl81x9reg.h> -#include <dev/ic/rtl81x9var.h> - -struct re_pci_softc { - struct rtk_softc sc_rtk; - - void *sc_ih; - pci_chipset_tag_t sc_pc; - pcitag_t sc_pcitag; -}; - -/* - * Various supported device vendors/types and their names. - */ -static struct rtk_type re_devs[] = { - { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139, RTK_HWREV_8139CPLUS, - "RealTek 8139C+ 10/100BaseTX" }, - { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169, RTK_HWREV_8169, - "RealTek 8169 Gigabit Ethernet" }, - { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169, RTK_HWREV_8169S, - "RealTek 8169S Single-chip Gigabit Ethernet" }, - { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169, RTK_HWREV_8110S, - "RealTek 8110S Single-chip Gigabit Ethernet" }, - { 0, 0, 0, NULL } -}; - -static struct rtk_hwrev re_hwrevs[] = { - { RTK_HWREV_8139, RTK_8139, "" }, - { RTK_HWREV_8139A, RTK_8139, "A" }, - { RTK_HWREV_8139AG, RTK_8139, "A-G" }, - { RTK_HWREV_8139B, RTK_8139, "B" }, - { RTK_HWREV_8130, RTK_8139, "8130" }, - { RTK_HWREV_8139C, RTK_8139, "C" }, - { RTK_HWREV_8139D, RTK_8139, "8139D/8100B/8100C" }, - { RTK_HWREV_8139CPLUS, RTK_8139CPLUS, "C+"}, - { RTK_HWREV_8169, RTK_8169, "8169"}, - { RTK_HWREV_8169S, RTK_8169, "8169S"}, - { RTK_HWREV_8110S, RTK_8169, "8110S"}, - { RTK_HWREV_8100, RTK_8139, "8100"}, - { RTK_HWREV_8101, RTK_8139, "8101"}, - { 0, 0, NULL } -}; - -static int re_probe(struct device *, struct cfdata *, void *); -static void re_attach(struct device *, struct device *, void *); -#if 0 -static int re_detach(struct device *, int); -#endif - -static int re_encap (struct rtk_softc *, struct mbuf *, int *); - -static int re_allocmem (struct rtk_softc *); -static int re_newbuf (struct rtk_softc *, int, struct mbuf *); -static int re_rx_list_init (struct rtk_softc *); -static int re_tx_list_init (struct rtk_softc *); -static void re_rxeof (struct rtk_softc *); -static void re_txeof (struct rtk_softc *); -static int re_intr (void *); -static void re_tick (void *); -static void re_start (struct ifnet *); -static int re_ioctl (struct ifnet *, u_long, caddr_t); -static int re_init (struct ifnet *); -static void re_stop (struct rtk_softc *); -static void re_watchdog (struct ifnet *); -#if 0 -static int re_suspend (device_t); -static int re_resume (device_t); -static void re_shutdown (device_t); -#endif -static int re_ifmedia_upd (struct ifnet *); -static void re_ifmedia_sts (struct ifnet *, struct ifmediareq *); - -static int re_gmii_readreg (struct device *, int, int); -static void re_gmii_writereg (struct device *, int, int, int); - -static int re_miibus_readreg (struct device *, int, int); -static void re_miibus_writereg (struct device *, int, int, int); -static void re_miibus_statchg (struct device *); - -static void re_reset (struct rtk_softc *); - -static int re_diag (struct rtk_softc *); - -#ifdef RE_USEIOSPACE -#define RTK_RES SYS_RES_IOPORT -#define RTK_RID RTK_PCI_LOIO -#else -#define RTK_RES SYS_RES_MEMORY -#define RTK_RID RTK_PCI_LOMEM -#endif - -CFATTACH_DECL(re, sizeof(struct re_pci_softc), re_probe, re_attach, NULL, - NULL); - -#define EE_SET(x) \ - CSR_WRITE_1(sc, RTK_EECMD, \ - CSR_READ_1(sc, RTK_EECMD) | x) - -#define EE_CLR(x) \ - CSR_WRITE_1(sc, RTK_EECMD, \ - CSR_READ_1(sc, RTK_EECMD) & ~x) - - -static int -re_gmii_readreg(struct device *self, int phy, int reg) -{ - struct rtk_softc *sc = (void *)self; - u_int32_t rval; - int i; - - if (phy != 7) - return(0); - - /* Let the rgephy driver read the GMEDIASTAT register */ - - if (reg == RTK_GMEDIASTAT) { - rval = CSR_READ_1(sc, RTK_GMEDIASTAT); - return(rval); - } - - CSR_WRITE_4(sc, RTK_PHYAR, reg << 16); - DELAY(1000); - - for (i = 0; i < RTK_TIMEOUT; i++) { - rval = CSR_READ_4(sc, RTK_PHYAR); - if (rval & RTK_PHYAR_BUSY) - break; - DELAY(100); - } - - if (i == RTK_TIMEOUT) { - printf ("%s: PHY read failed\n", sc->sc_dev.dv_xname); - return (0); - } - - return (rval & RTK_PHYAR_PHYDATA); -} - -static void -re_gmii_writereg(struct device *dev, int phy, int reg, int data) -{ - struct rtk_softc *sc = (void *)dev; - u_int32_t rval; - int i; - - CSR_WRITE_4(sc, RTK_PHYAR, (reg << 16) | - (data & RTK_PHYAR_PHYDATA) | RTK_PHYAR_BUSY); - DELAY(1000); - - for (i = 0; i < RTK_TIMEOUT; i++) { - rval = CSR_READ_4(sc, RTK_PHYAR); - if (!(rval & RTK_PHYAR_BUSY)) - break; - DELAY(100); - } - - if (i == RTK_TIMEOUT) { - printf ("%s: PHY write failed\n", sc->sc_dev.dv_xname); - return; - } - - return; -} - -static int -re_miibus_readreg(struct device *dev, int phy, int reg) -{ - struct rtk_softc *sc = (void *)dev; - u_int16_t rval = 0; - u_int16_t re8139_reg = 0; - int s; - - s = splnet(); - - if (sc->rtk_type == RTK_8169) { - rval = re_gmii_readreg(dev, phy, reg); - splx(s); - return (rval); - } - - /* Pretend the internal PHY is only at address 0 */ - if (phy) { - splx(s); - return(0); - } - switch(reg) { - case MII_BMCR: - re8139_reg = RTK_BMCR; - break; - case MII_BMSR: - re8139_reg = RTK_BMSR; - break; - case MII_ANAR: - re8139_reg = RTK_ANAR; - break; - case MII_ANER: - re8139_reg = RTK_ANER; - break; - case MII_ANLPAR: - re8139_reg = RTK_LPAR; - break; - case MII_PHYIDR1: - case MII_PHYIDR2: - splx(s); - return(0); - /* - * Allow the rlphy driver to read the media status - * register. If we have a link partner which does not - * support NWAY, this is the register which will tell - * us the results of parallel detection. - */ - case RTK_MEDIASTAT: - rval = CSR_READ_1(sc, RTK_MEDIASTAT); - splx(s); - return(rval); - default: - printf("%s: bad phy register\n", sc->sc_dev.dv_xname); - splx(s); - return(0); - } - rval = CSR_READ_2(sc, re8139_reg); - splx(s); - return(rval); -} - -static void -re_miibus_writereg(struct device *dev, int phy, int reg, int data) -{ - struct rtk_softc *sc = (void *)dev; - u_int16_t re8139_reg = 0; - int s; - - s = splnet(); - - if (sc->rtk_type == RTK_8169) { - re_gmii_writereg(dev, phy, reg, data); - splx(s); - return; - } - - /* Pretend the internal PHY is only at address 0 */ - if (phy) { - splx(s); - return; - } - switch(reg) { - case MII_BMCR: - re8139_reg = RTK_BMCR; - break; - case MII_BMSR: - re8139_reg = RTK_BMSR; - break; - case MII_ANAR: - re8139_reg = RTK_ANAR; - break; - case MII_ANER: - re8139_reg = RTK_ANER; - break; - case MII_ANLPAR: - re8139_reg = RTK_LPAR; - break; - case MII_PHYIDR1: - case MII_PHYIDR2: - splx(s); - return; - break; - default: - printf("%s: bad phy register\n", sc->sc_dev.dv_xname); - splx(s); - return; - } - CSR_WRITE_2(sc, re8139_reg, data); - splx(s); - return; -} - -static void -re_miibus_statchg(struct device *dev) -{ - - return; -} - -static void -re_reset(struct rtk_softc *sc) -{ - register int i; - - CSR_WRITE_1(sc, RTK_COMMAND, RTK_CMD_RESET); - - for (i = 0; i < RTK_TIMEOUT; i++) { - DELAY(10); - if (!(CSR_READ_1(sc, RTK_COMMAND) & RTK_CMD_RESET)) - break; - } - if (i == RTK_TIMEOUT) - printf("%s: reset never completed!\n", sc->sc_dev.dv_xname); - - CSR_WRITE_1(sc, 0x82, 1); - - return; -} - -/* - * The following routine is designed to test for a defect on some - * 32-bit 8169 cards. Some of these NICs have the REQ64# and ACK64# - * lines connected to the bus, however for a 32-bit only card, they - * should be pulled high. The result of this defect is that the - * NIC will not work right if you plug it into a 64-bit slot: DMA - * operations will be done with 64-bit transfers, which will fail - * because the 64-bit data lines aren't connected. - * - * There's no way to work around this (short of talking a soldering - * iron to the board), however we can detect it. The method we use - * here is to put the NIC into digital loopback mode, set the receiver - * to promiscuous mode, and then try to send a frame. We then compare - * the frame data we sent to what was received. If the data matches, - * then the NIC is working correctly, otherwise we know the user has - * a defective NIC which has been mistakenly plugged into a 64-bit PCI - * slot. In the latter case, there's no way the NIC can work correctly, - * so we print out a message on the console and abort the device attach. - */ - -static int -re_diag(struct rtk_softc *sc) -{ - struct ifnet *ifp = &sc->ethercom.ec_if; - struct mbuf *m0; - struct ether_header *eh; - struct rtk_desc *cur_rx; - bus_dmamap_t dmamap; - u_int16_t status; - u_int32_t rxstat; - int total_len, i, s, error = 0; - u_int8_t dst[] = { 0x00, 'h', 'e', 'l', 'l', 'o' }; - u_int8_t src[] = { 0x00, 'w', 'o', 'r', 'l', 'd' }; - - /* Allocate a single mbuf */ - - MGETHDR(m0, M_DONTWAIT, MT_DATA); - if (m0 == NULL) - return(ENOBUFS); - - /* - * Initialize the NIC in test mode. This sets the chip up - * so that it can send and receive frames, but performs the - * following special functions: - * - Puts receiver in promiscuous mode - * - Enables digital loopback mode - * - Leaves interrupts turned off - */ - - ifp->if_flags |= IFF_PROMISC; - sc->rtk_testmode = 1; - re_init(ifp); - re_stop(sc); - DELAY(100000); - re_init(ifp); - - /* Put some data in the mbuf */ - - eh = mtod(m0, struct ether_header *); - bcopy ((char *)&dst, eh->ether_dhost, ETHER_ADDR_LEN); - bcopy ((char *)&src, eh->ether_shost, ETHER_ADDR_LEN); - eh->ether_type = htons(ETHERTYPE_IP); - m0->m_pkthdr.len = m0->m_len = ETHER_MIN_LEN - ETHER_CRC_LEN; - - /* - * Queue the packet, start transmission. - */ - - CSR_WRITE_2(sc, RTK_ISR, 0xFFFF); - s = splnet(); - IF_ENQUEUE(&ifp->if_snd, m0); - re_start(ifp); - splx(s); - m0 = NULL; - - /* Wait for it to propagate through the chip */ - - DELAY(100000); - for (i = 0; i < RTK_TIMEOUT; i++) { - status = CSR_READ_2(sc, RTK_ISR); - if ((status & (RTK_ISR_TIMEOUT_EXPIRED|RTK_ISR_RX_OK)) == - (RTK_ISR_TIMEOUT_EXPIRED|RTK_ISR_RX_OK)) - break; - DELAY(10); - } - if (i == RTK_TIMEOUT) { - printf("%s: diagnostic failed, failed to receive packet " - "in loopback mode\n", sc->sc_dev.dv_xname); - error = EIO; - goto done; - } - - /* - * The packet should have been dumped into the first - * entry in the RX DMA ring. Grab it from there. - */ - - dmamap = sc->rtk_ldata.rtk_rx_list_map; - bus_dmamap_sync(sc->sc_dmat, - dmamap, 0, dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); - dmamap = sc->rtk_ldata.rtk_rx_dmamap[0]; - bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, - BUS_DMASYNC_POSTWRITE); - bus_dmamap_unload(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_dmamap[0]); - - m0 = sc->rtk_ldata.rtk_rx_mbuf[0]; - sc->rtk_ldata.rtk_rx_mbuf[0] = NULL; - eh = mtod(m0, struct ether_header *); - - cur_rx = &sc->rtk_ldata.rtk_rx_list[0]; - total_len = RTK_RXBYTES(cur_rx); - rxstat = le32toh(cur_rx->rtk_cmdstat); - - if (total_len != ETHER_MIN_LEN) { - printf("%s: diagnostic failed, received short packet\n", - sc->sc_dev.dv_xname); - error = EIO; - goto done; - } - - /* Test that the received packet data matches what we sent. */ - - if (bcmp((char *)&eh->ether_dhost, (char *)&dst, ETHER_ADDR_LEN) || - bcmp((char *)&eh->ether_shost, (char *)&src, ETHER_ADDR_LEN) || - ntohs(eh->ether_type) != ETHERTYPE_IP) { - printf("%s: WARNING, DMA FAILURE!\n", sc->sc_dev.dv_xname); - printf("%s: expected TX data: %s", - sc->sc_dev.dv_xname, ether_sprintf(dst)); - printf("/%s/0x%x\n", ether_sprintf(src), ETHERTYPE_IP); - printf("%s: received RX data: %s", - sc->sc_dev.dv_xname, - ether_sprintf(eh->ether_dhost)); - printf("/%s/0x%x\n", ether_sprintf(eh->ether_shost), - ntohs(eh->ether_type)); - printf("%s: You may have a defective 32-bit NIC plugged " - "into a 64-bit PCI slot.\n", sc->sc_dev.dv_xname); - printf("%s: Please re-install the NIC in a 32-bit slot " - "for proper operation.\n", sc->sc_dev.dv_xname); - printf("%s: Read the re(4) man page for more details.\n", - sc->sc_dev.dv_xname); - error = EIO; - } - -done: - /* Turn interface off, release resources */ - - sc->rtk_testmode = 0; - ifp->if_flags &= ~IFF_PROMISC; - re_stop(sc); - if (m0 != NULL) - m_freem(m0); - - return (error); -} - -/* - * Probe for a RealTek 8139C+/8169/8110 chip. Check the PCI vendor and device - * IDs against our list and return a device name if we find a match. - */ -static int -re_probe(struct device *parent, struct cfdata *match, void *aux) -{ - struct rtk_type *t; - struct pci_attach_args *pa = aux; - bus_space_tag_t rtk_btag; - bus_space_handle_t rtk_bhandle; - bus_size_t bsize; - u_int32_t hwrev; - - t = re_devs; - - while(t->rtk_name != NULL) { - if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) && - (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) { - - /* - * Temporarily map the I/O space - * so we can read the chip ID register. - */ - if (pci_mapreg_map(pa, RTK_PCI_LOIO, - PCI_MAPREG_TYPE_IO, 0, &rtk_btag, - &rtk_bhandle, NULL, &bsize)) { - printf("can't map i/o space\n"); - return 0; - } - hwrev = bus_space_read_4(rtk_btag, rtk_bhandle, - RTK_TXCFG) & RTK_TXCFG_HWREV; - bus_space_unmap(rtk_btag, rtk_bhandle, bsize); - if (t->rtk_basetype == hwrev) - return 2; /* defeat rtk(4) */ - } - t++; - } - - return 0; -} - -static int -re_allocmem(struct rtk_softc *sc) -{ - int error; - int nseg, rseg; - int i; - - nseg = 32; - - /* Allocate DMA'able memory for the TX ring */ - - error = bus_dmamap_create(sc->sc_dmat, RTK_TX_LIST_SZ, 1, - RTK_TX_LIST_SZ, 0, BUS_DMA_ALLOCNOW, - &sc->rtk_ldata.rtk_tx_list_map); - error = bus_dmamem_alloc(sc->sc_dmat, RTK_TX_LIST_SZ, - RTK_ETHER_ALIGN, 0, - &sc->rtk_ldata.rtk_tx_listseg, 1, &rseg, BUS_DMA_NOWAIT); - if (error) - return (ENOMEM); - - /* Load the map for the TX ring. */ - error = bus_dmamem_map(sc->sc_dmat, &sc->rtk_ldata.rtk_tx_listseg, - 1, RTK_TX_LIST_SZ, - (caddr_t *)&sc->rtk_ldata.rtk_tx_list, BUS_DMA_NOWAIT); - memset(sc->rtk_ldata.rtk_tx_list, 0, RTK_TX_LIST_SZ); - - error = bus_dmamap_load(sc->sc_dmat, sc->rtk_ldata.rtk_tx_list_map, - sc->rtk_ldata.rtk_tx_list, RTK_TX_LIST_SZ, NULL, BUS_DMA_NOWAIT); - - /* Create DMA maps for TX buffers */ - - for (i = 0; i < RTK_TX_DESC_CNT; i++) { - error = bus_dmamap_create(sc->sc_dmat, MCLBYTES * nseg, nseg, - MCLBYTES, 0, BUS_DMA_ALLOCNOW, - &sc->rtk_ldata.rtk_tx_dmamap[i]); - if (error) { - printf("%s: can't create DMA map for TX\n", - sc->sc_dev.dv_xname); - return(ENOMEM); - } - } - - /* Allocate DMA'able memory for the RX ring */ - - error = bus_dmamap_create(sc->sc_dmat, RTK_RX_LIST_SZ, 1, - RTK_RX_LIST_SZ, 0, BUS_DMA_ALLOCNOW, - &sc->rtk_ldata.rtk_rx_list_map); - error = bus_dmamem_alloc(sc->sc_dmat, RTK_RX_LIST_SZ, RTK_RING_ALIGN, - 0, &sc->rtk_ldata.rtk_rx_listseg, 1, &rseg, BUS_DMA_NOWAIT); - if (error) - return (ENOMEM); - - /* Load the map for the RX ring. */ - error = bus_dmamem_map(sc->sc_dmat, &sc->rtk_ldata.rtk_rx_listseg, - 1, RTK_RX_LIST_SZ, - (caddr_t *)&sc->rtk_ldata.rtk_rx_list, BUS_DMA_NOWAIT); - memset(sc->rtk_ldata.rtk_rx_list, 0, RTK_TX_LIST_SZ); - - error = bus_dmamap_load(sc->sc_dmat, sc->rtk_ldata.rtk_rx_list_map, - sc->rtk_ldata.rtk_rx_list, RTK_RX_LIST_SZ, NULL, BUS_DMA_NOWAIT); - - /* Create DMA maps for RX buffers */ - - for (i = 0; i < RTK_RX_DESC_CNT; i++) { - error = bus_dmamap_create(sc->sc_dmat, MCLBYTES * nseg, nseg, - MCLBYTES, 0, BUS_DMA_ALLOCNOW, - &sc->rtk_ldata.rtk_rx_dmamap[i]); - if (error) { - printf("%s: can't create DMA map for RX\n", - sc->sc_dev.dv_xname); - return(ENOMEM); - } - } - - return(0); -} - -/* - * Attach the interface. Allocate softc structures, do ifmedia - * setup and ethernet/BPF attach. - */ -static void -re_attach(struct device *parent, struct device *self, void *aux) -{ - u_char eaddr[ETHER_ADDR_LEN]; - u_int16_t val; - struct re_pci_softc *psc = (void *)self; - struct rtk_softc *sc = &psc->sc_rtk; - struct pci_attach_args *pa = aux; - pci_chipset_tag_t pc = pa->pa_pc; - pci_intr_handle_t ih; - const char *intrstr = NULL; - struct ifnet *ifp; - struct rtk_hwrev *hw_rev; - struct rtk_type *t; - int hwrev; - int error = 0, i, addr_len; - pcireg_t command; - -#if 0 /*ndef BURN_BRIDGES*/ - /* - * Handle power management nonsense. - */ - - if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { - u_int32_t iobase, membase, irq; - - /* Save important PCI config data. */ - iobase = pci_read_config(dev, RTK_PCI_LOIO, 4); - membase = pci_read_config(dev, RTK_PCI_LOMEM, 4); - irq = pci_read_config(dev, RTK_PCI_INTLINE, 4); - - /* Reset the power state. */ - printf("%s: chip is is in D%d power mode " - "-- setting to D0\n", unit, - pci_get_powerstate(dev)); - - pci_set_powerstate(dev, PCI_POWERSTATE_D0); - - /* Restore PCI config data. */ - pci_write_config(dev, RTK_PCI_LOIO, iobase, 4); - pci_write_config(dev, RTK_PCI_LOMEM, membase, 4); - pci_write_config(dev, RTK_PCI_INTLINE, irq, 4); - } -#endif - /* - * Map control/status registers. - */ - command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); - command |= PCI_COMMAND_MASTER_ENABLE; - pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); - -#ifdef RE_USEIOSPACE - if (pci_mapreg_map(pa, RTK_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, - &sc->rtk_btag, &sc->rtk_bhandle, NULL, NULL)) { - printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); - error = ENXIO; - goto fail; - } -#else - if (pci_mapreg_map(pa, RTK_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, - &sc->rtk_btag, &sc->rtk_bhandle, NULL, NULL)) { - printf("%s: can't map mem space\n", sc->sc_dev.dv_xname); - error = ENXIO; - goto fail; - } -#endif - t = re_devs; - hwrev = CSR_READ_4(sc, RTK_TXCFG) & RTK_TXCFG_HWREV; - - while(t->rtk_name != NULL) { - if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) && - (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) { - - if (t->rtk_basetype == hwrev) - break; - } - t++; - } - printf(": %s\n", t->rtk_name); - - sc->sc_dmat = pa->pa_dmat; - sc->sc_flags |= RTK_ENABLED; - - /* Reset the adapter. */ - re_reset(sc); - - hw_rev = re_hwrevs; - hwrev = CSR_READ_4(sc, RTK_TXCFG) & RTK_TXCFG_HWREV; - while (hw_rev->rtk_desc != NULL) { - if (hw_rev->rtk_rev == hwrev) { - sc->rtk_type = hw_rev->rtk_type; - break; - } - hw_rev++; - } - - if (sc->rtk_type == RTK_8169) { - - /* Set RX length mask */ - - sc->rtk_rxlenmask = RTK_RDESC_STAT_GFRAGLEN; - - /* Force station address autoload from the EEPROM */ - - CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_AUTOLOAD); - for (i = 0; i < RTK_TIMEOUT; i++) { - if (!(CSR_READ_1(sc, RTK_EECMD) & RTK_EEMODE_AUTOLOAD)) - break; - DELAY(100); - } - if (i == RTK_TIMEOUT) - printf ("%s: eeprom autoload timed out\n", sc->sc_dev.dv_xname); - - for (i = 0; i < ETHER_ADDR_LEN; i++) - eaddr[i] = CSR_READ_1(sc, RTK_IDR0 + i); - } else { - - /* Set RX length mask */ - - sc->rtk_rxlenmask = RTK_RDESC_STAT_FRAGLEN; - - if (rtk_read_eeprom(sc, RTK_EE_ID, RTK_EEADDR_LEN1) == 0x8129) - addr_len = RTK_EEADDR_LEN1; - else - addr_len = RTK_EEADDR_LEN0; - - /* - * Get station address from the EEPROM. - */ - for (i = 0; i < 3; i++) { - val = rtk_read_eeprom(sc, RTK_EE_EADDR0 + i, addr_len); - eaddr[(i * 2) + 0] = val & 0xff; - eaddr[(i * 2) + 1] = val >> 8; - } - } - - error = re_allocmem(sc); - - if (error) - goto fail; - - ifp = &sc->ethercom.ec_if; - ifp->if_softc = sc; - strcpy(ifp->if_xname, sc->sc_dev.dv_xname); - ifp->if_mtu = ETHERMTU; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_ioctl = re_ioctl; - sc->ethercom.ec_capabilities |= - ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING; - ifp->if_start = re_start; - ifp->if_capabilities |= - IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4; - ifp->if_watchdog = re_watchdog; - ifp->if_init = re_init; - if (sc->rtk_type == RTK_8169) - ifp->if_baudrate = 1000000000; - else - ifp->if_baudrate = 100000000; - ifp->if_snd.ifq_maxlen = RTK_IFQ_MAXLEN; - ifp->if_capenable = ifp->if_capabilities; - IFQ_SET_READY(&ifp->if_snd); - - callout_init(&sc->rtk_tick_ch); - - /* Do MII setup */ - sc->mii.mii_ifp = ifp; - sc->mii.mii_readreg = re_miibus_readreg; - sc->mii.mii_writereg = re_miibus_writereg; - sc->mii.mii_statchg = re_miibus_statchg; - ifmedia_init(&sc->mii.mii_media, IFM_IMASK, re_ifmedia_upd, - re_ifmedia_sts); - mii_attach(&sc->sc_dev, &sc->mii, 0xffffffff, MII_PHY_ANY, - MII_OFFSET_ANY, 0); - ifmedia_set(&sc->mii.mii_media, IFM_ETHER|IFM_AUTO); - - /* - * Call MI attach routine. - */ - if_attach(ifp); - ether_ifattach(ifp, eaddr); - - /* Perform hardware diagnostic. */ - error = re_diag(sc); - - if (error) { - printf("%s: attach aborted due to hardware diag failure\n", - sc->sc_dev.dv_xname); - ether_ifdetach(ifp); - if_detach(ifp); - goto fail; - } - - /* Hook interrupt last to avoid having to lock softc */ - /* Allocate interrupt */ - if (pci_intr_map(pa, &ih)) { - printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); - error = ENXIO; - ether_ifdetach(ifp); - if_detach(ifp); - goto fail; - } - intrstr = pci_intr_string(pc, ih); - psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, re_intr, sc); - if (psc->sc_ih == NULL) { - printf("%s: couldn't establish interrupt", - sc->sc_dev.dv_xname); - if (intrstr != NULL) - printf(" at %s", intrstr); - printf("\n"); - ether_ifdetach(ifp); - if_detach(ifp); - return; - } - aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); - -fail: -#if 0 - if (error) - re_detach(sc); -#endif - - return; -} - -#if 0 -/* - * Shutdown hardware and free up resources. This can be called any - * time after the mutex has been initialized. It is called in both - * the error case in attach and the normal detach case so it needs - * to be careful about only freeing resources that have actually been - * allocated. - */ -static int -re_detach(struct device *self, int flags) -{ - struct rtk_softc *sc; - struct ifnet *ifp; - int i; - - sc = device_get_softc(dev); - KASSERT(mtx_initialized(&sc->rtk_mtx), ("rl mutex not initialized")); - RTK_LOCK(sc); - ifp = &sc->ethercom.ec_if; - - /* These should only be active if attach succeeded */ - if (device_is_attached(dev)) { - re_stop(sc); - /* - * Force off the IFF_UP flag here, in case someone - * still had a BPF descriptor attached to this - * interface. If they do, ether_ifattach() will cause - * the BPF code to try and clear the promisc mode - * flag, which will bubble down to re_ioctl(), - * which will try to call re_init() again. This will - * turn the NIC back on and restart the MII ticker, - * which will panic the system when the kernel tries - * to invoke the re_tick() function that isn't there - * anymore. - */ - ifp->if_flags &= ~IFF_UP; - ether_ifdetach(ifp); - } - if (sc->rtk_miibus) - device_delete_child(dev, sc->rtk_miibus); - bus_generic_detach(dev); - - if (sc->rtk_intrhand) - bus_teardown_intr(dev, sc->rtk_irq, sc->rtk_intrhand); - if (sc->rtk_irq) - bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rtk_irq); - if (sc->rtk_res) - bus_release_resource(dev, RTK_RES, RTK_RID, sc->rtk_res); - - - /* Unload and free the RX DMA ring memory and map */ - - bus_dmamap_unload(sc->sc_dmat, sc->rtk_ldata.rtk_rx_list_map); - bus_dmamem_free(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_list, - sc->rtk_ldata.rtk_rx_list_map); - - /* Unload and free the TX DMA ring memory and map */ - - bus_dmamap_unload(sc->sc_dmat, sc->rtk_ldata.rtk_tx_list_map); - bus_dmamem_free(sc->sc_dmat, sc->rtk_ldata.rtk_tx_list, - sc->rtk_ldata.rtk_tx_list_map); - - /* Destroy all the RX and TX buffer maps */ - - for (i = 0; i < RTK_TX_DESC_CNT; i++) - bus_dmamap_destroy(sc->sc_dmat, - sc->rtk_ldata.rtk_tx_dmamap[i]); - for (i = 0; i < RTK_RX_DESC_CNT; i++) - bus_dmamap_destroy(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_dmamap[i]); - - /* Unload and free the stats buffer and map */ - - if (sc->rtk_ldata.rtk_stag) { - bus_dmamap_unload(sc->rtk_ldata.rtk_stag, - sc->rtk_ldata.rtk_rx_list_map); - bus_dmamem_free(sc->rtk_ldata.rtk_stag, - sc->rtk_ldata.rtk_stats, - sc->rtk_ldata.rtk_smap); - bus_dma_tag_destroy(sc->rtk_ldata.rtk_stag); - } - - if (sc->rtk_parent_tag) - bus_dma_tag_destroy(sc->rtk_parent_tag); - - RTK_UNLOCK(sc); - mtx_destroy(&sc->rtk_mtx); - - return(0); -} -#endif - -static int -re_newbuf(struct rtk_softc *sc, int idx, struct mbuf *m) -{ - struct mbuf *n = NULL; - bus_dmamap_t map; - struct rtk_desc *d; - u_int32_t cmdstat; - int error; - - if (m == NULL) { - MGETHDR(n, M_DONTWAIT, MT_DATA); - if (n == NULL) - return(ENOBUFS); - m = n; - - MCLGET(m, M_DONTWAIT); - if (! (m->m_flags & M_EXT)) { - m_freem(m); - return(ENOBUFS); - } - } else - m->m_data = m->m_ext.ext_buf; - - /* - * Initialize mbuf length fields and fixup - * alignment so that the frame payload is - * longword aligned. - */ - m->m_len = m->m_pkthdr.len = MCLBYTES; - m_adj(m, RTK_ETHER_ALIGN); - - map = sc->rtk_ldata.rtk_rx_dmamap[idx]; - error = bus_dmamap_load_mbuf(sc->sc_dmat, map, m, BUS_DMA_NOWAIT); - - if (map->dm_nsegs > 1) - goto out; - if (error) - goto out; - - d = &sc->rtk_ldata.rtk_rx_list[idx]; - if (le32toh(d->rtk_cmdstat) & RTK_RDESC_STAT_OWN) - goto out; - - cmdstat = map->dm_segs[0].ds_len; - d->rtk_bufaddr_lo = htole32(RTK_ADDR_LO(map->dm_segs[0].ds_addr)); - d->rtk_bufaddr_hi = htole32(RTK_ADDR_HI(map->dm_segs[0].ds_addr)); - cmdstat |= RTK_TDESC_CMD_SOF; - if (idx == (RTK_RX_DESC_CNT - 1)) - cmdstat |= RTK_TDESC_CMD_EOR; - d->rtk_cmdstat = htole32(cmdstat); - - d->rtk_cmdstat |= htole32(RTK_TDESC_CMD_EOF); - - - sc->rtk_ldata.rtk_rx_list[idx].rtk_cmdstat |= htole32(RTK_RDESC_CMD_OWN); - sc->rtk_ldata.rtk_rx_mbuf[idx] = m; - - bus_dmamap_sync(sc->sc_dmat, sc->rtk_ldata.rtk_rx_dmamap[idx], 0, - sc->rtk_ldata.rtk_rx_dmamap[idx]->dm_mapsize, - BUS_DMASYNC_PREREAD); - - return 0; -out: - if (n != NULL) - m_freem(n); - return ENOMEM; -} - -static int -re_tx_list_init(struct rtk_softc *sc) -{ - memset((char *)sc->rtk_ldata.rtk_tx_list, 0, RTK_TX_LIST_SZ); - memset((char *)&sc->rtk_ldata.rtk_tx_mbuf, 0, - (RTK_TX_DESC_CNT * sizeof(struct mbuf *))); - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_tx_list_map, 0, - sc->rtk_ldata.rtk_tx_list_map->dm_mapsize, BUS_DMASYNC_PREWRITE); - sc->rtk_ldata.rtk_tx_prodidx = 0; - sc->rtk_ldata.rtk_tx_considx = 0; - sc->rtk_ldata.rtk_tx_free = RTK_TX_DESC_CNT; - - return(0); -} - -static int -re_rx_list_init(struct rtk_softc *sc) -{ - int i; - - memset((char *)sc->rtk_ldata.rtk_rx_list, 0, RTK_RX_LIST_SZ); - memset((char *)&sc->rtk_ldata.rtk_rx_mbuf, 0, - (RTK_RX_DESC_CNT * sizeof(struct mbuf *))); - - for (i = 0; i < RTK_RX_DESC_CNT; i++) { - if (re_newbuf(sc, i, NULL) == ENOBUFS) - return(ENOBUFS); - } - - /* Flush the RX descriptors */ - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_list_map, - 0, sc->rtk_ldata.rtk_rx_list_map->dm_mapsize, - BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD); - - sc->rtk_ldata.rtk_rx_prodidx = 0; - sc->rtk_head = sc->rtk_tail = NULL; - - return(0); -} - -/* - * RX handler for C+ and 8169. For the gigE chips, we support - * the reception of jumbo frames that have been fragmented - * across multiple 2K mbuf cluster buffers. - */ -static void -re_rxeof(struct rtk_softc *sc) -{ - struct mbuf *m; - struct ifnet *ifp; - int i, total_len; - struct rtk_desc *cur_rx; - struct m_tag *mtag; - u_int32_t rxstat, rxvlan; - - ifp = &sc->ethercom.ec_if; - i = sc->rtk_ldata.rtk_rx_prodidx; - - /* Invalidate the descriptor memory */ - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_list_map, - 0, sc->rtk_ldata.rtk_rx_list_map->dm_mapsize, - BUS_DMASYNC_POSTREAD); - - while (!RTK_OWN(&sc->rtk_ldata.rtk_rx_list[i])) { - - cur_rx = &sc->rtk_ldata.rtk_rx_list[i]; - m = sc->rtk_ldata.rtk_rx_mbuf[i]; - total_len = RTK_RXBYTES(cur_rx); - rxstat = le32toh(cur_rx->rtk_cmdstat); - rxvlan = le32toh(cur_rx->rtk_vlanctl); - - /* Invalidate the RX mbuf and unload its map */ - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_dmamap[i], - 0, sc->rtk_ldata.rtk_rx_dmamap[i]->dm_mapsize, - BUS_DMASYNC_POSTWRITE); - bus_dmamap_unload(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_dmamap[i]); - - if (!(rxstat & RTK_RDESC_STAT_EOF)) { - m->m_len = MCLBYTES - RTK_ETHER_ALIGN; - if (sc->rtk_head == NULL) - sc->rtk_head = sc->rtk_tail = m; - else { - m->m_flags &= ~M_PKTHDR; - sc->rtk_tail->m_next = m; - sc->rtk_tail = m; - } - re_newbuf(sc, i, NULL); - RTK_DESC_INC(i); - continue; - } - - /* - * NOTE: for the 8139C+, the frame length field - * is always 12 bits in size, but for the gigE chips, - * it is 13 bits (since the max RX frame length is 16K). - * Unfortunately, all 32 bits in the status word - * were already used, so to make room for the extra - * length bit, RealTek took out the 'frame alignment - * error' bit and shifted the other status bits - * over one slot. The OWN, EOR, FS and LS bits are - * still in the same places. We have already extracted - * the frame length and checked the OWN bit, so rather - * than using an alternate bit mapping, we shift the - * status bits one space to the right so we can evaluate - * them using the 8169 status as though it was in the - * same format as that of the 8139C+. - */ - if (sc->rtk_type == RTK_8169) - rxstat >>= 1; - - if (rxstat & RTK_RDESC_STAT_RXERRSUM) { - ifp->if_ierrors++; - /* - * If this is part of a multi-fragment packet, - * discard all the pieces. - */ - if (sc->rtk_head != NULL) { - m_freem(sc->rtk_head); - sc->rtk_head = sc->rtk_tail = NULL; - } - re_newbuf(sc, i, m); - RTK_DESC_INC(i); - continue; - } - - /* - * If allocating a replacement mbuf fails, - * reload the current one. - */ - - if (re_newbuf(sc, i, NULL)) { - ifp->if_ierrors++; - if (sc->rtk_head != NULL) { - m_freem(sc->rtk_head); - sc->rtk_head = sc->rtk_tail = NULL; - } - re_newbuf(sc, i, m); - RTK_DESC_INC(i); - continue; - } - - RTK_DESC_INC(i); - - if (sc->rtk_head != NULL) { - m->m_len = total_len % (MCLBYTES - RTK_ETHER_ALIGN); - /* - * Special case: if there's 4 bytes or less - * in this buffer, the mbuf can be discarded: - * the last 4 bytes is the CRC, which we don't - * care about anyway. - */ - if (m->m_len <= ETHER_CRC_LEN) { - sc->rtk_tail->m_len -= - (ETHER_CRC_LEN - m->m_len); - m_freem(m); - } else { - m->m_len -= ETHER_CRC_LEN; - m->m_flags &= ~M_PKTHDR; - sc->rtk_tail->m_next = m; - } - m = sc->rtk_head; - sc->rtk_head = sc->rtk_tail = NULL; - m->m_pkthdr.len = total_len - ETHER_CRC_LEN; - } else - m->m_pkthdr.len = m->m_len = - (total_len - ETHER_CRC_LEN); - - ifp->if_ipackets++; - m->m_pkthdr.rcvif = ifp; - - /* Do RX checksumming if enabled */ - - if (ifp->if_capenable & IFCAP_CSUM_IPv4) { - - /* Check IP header checksum */ - if (rxstat & RTK_RDESC_STAT_PROTOID) - m->m_pkthdr.csum_flags |= M_CSUM_IPv4;; - if (rxstat & RTK_RDESC_STAT_IPSUMBAD) - m->m_pkthdr.csum_flags |= M_CSUM_IPv4_BAD; - } - - /* Check TCP/UDP checksum */ - if (RTK_TCPPKT(rxstat) && - (ifp->if_capenable & IFCAP_CSUM_TCPv4)) { - m->m_pkthdr.csum_flags |= M_CSUM_TCPv4; - if (rxstat & RTK_RDESC_STAT_TCPSUMBAD) - m->m_pkthdr.csum_flags |= M_CSUM_TCP_UDP_BAD; - } - if (RTK_UDPPKT(rxstat) && - (ifp->if_capenable & IFCAP_CSUM_UDPv4)) { - m->m_pkthdr.csum_flags |= M_CSUM_UDPv4; - if (rxstat & RTK_RDESC_STAT_UDPSUMBAD) - m->m_pkthdr.csum_flags |= M_CSUM_TCP_UDP_BAD; - } - - if (rxvlan & RTK_RDESC_VLANCTL_TAG) { - mtag = m_tag_get(PACKET_TAG_VLAN, sizeof(u_int), - M_NOWAIT); - if (mtag == NULL) { - ifp->if_ierrors++; - m_freem(m); - continue; - } - *(u_int *)(mtag + 1) = - be16toh(rxvlan & RTK_RDESC_VLANCTL_DATA); - m_tag_prepend(m, mtag); - } -#if NBPFILTER > 0 - if (ifp->if_bpf) - bpf_mtap(ifp->if_bpf, m); -#endif - (*ifp->if_input)(ifp, m); - } - - /* Flush the RX DMA ring */ - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_list_map, - 0, sc->rtk_ldata.rtk_rx_list_map->dm_mapsize, - BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD); - - sc->rtk_ldata.rtk_rx_prodidx = i; - - return; -} - -static void -re_txeof(struct rtk_softc *sc) -{ - struct ifnet *ifp; - u_int32_t txstat; - int idx; - - ifp = &sc->ethercom.ec_if; - idx = sc->rtk_ldata.rtk_tx_considx; - - /* Invalidate the TX descriptor list */ - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_tx_list_map, - 0, sc->rtk_ldata.rtk_tx_list_map->dm_mapsize, - BUS_DMASYNC_POSTREAD); - - while (idx != sc->rtk_ldata.rtk_tx_prodidx) { - - txstat = le32toh(sc->rtk_ldata.rtk_tx_list[idx].rtk_cmdstat); - if (txstat & RTK_TDESC_CMD_OWN) - break; - - /* - * We only stash mbufs in the last descriptor - * in a fragment chain, which also happens to - * be the only place where the TX status bits - * are valid. - */ - - if (txstat & RTK_TDESC_CMD_EOF) { - m_freem(sc->rtk_ldata.rtk_tx_mbuf[idx]); - sc->rtk_ldata.rtk_tx_mbuf[idx] = NULL; - bus_dmamap_unload(sc->sc_dmat, - sc->rtk_ldata.rtk_tx_dmamap[idx]); - if (txstat & (RTK_TDESC_STAT_EXCESSCOL| - RTK_TDESC_STAT_COLCNT)) - ifp->if_collisions++; - if (txstat & RTK_TDESC_STAT_TXERRSUM) - ifp->if_oerrors++; - else - ifp->if_opackets++; - } - sc->rtk_ldata.rtk_tx_free++; - RTK_DESC_INC(idx); - } - - /* No changes made to the TX ring, so no flush needed */ - - if (idx != sc->rtk_ldata.rtk_tx_considx) { - sc->rtk_ldata.rtk_tx_considx = idx; - ifp->if_flags &= ~IFF_OACTIVE; - ifp->if_timer = 0; - } - - /* - * If not all descriptors have been released reaped yet, - * reload the timer so that we will eventually get another - * interrupt that will cause us to re-enter this routine. - * This is done in case the transmitter has gone idle. - */ - if (sc->rtk_ldata.rtk_tx_free != RTK_TX_DESC_CNT) - CSR_WRITE_4(sc, RTK_TIMERCNT, 1); - - return; -} - -static void -re_tick(void *xsc) -{ - struct rtk_softc *sc = xsc; - int s = splnet(); - - mii_tick(&sc->mii); - splx(s); - - callout_reset(&sc->rtk_tick_ch, hz, re_tick, sc); -} - -#ifdef DEVICE_POLLING -static void -re_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) -{ - struct rtk_softc *sc = ifp->if_softc; - - RTK_LOCK(sc); - if (!(ifp->if_capenable & IFCAP_POLLING)) { - ether_poll_deregister(ifp); - cmd = POLL_DEREGISTER; - } - if (cmd == POLL_DEREGISTER) { /* final call, enable interrupts */ - CSR_WRITE_2(sc, RTK_IMR, RTK_INTRS_CPLUS); - goto done; - } - - sc->rxcycles = count; - re_rxeof(sc); - re_txeof(sc); - - if (ifp->if_snd.ifq_head != NULL) - (*ifp->if_start)(ifp); - - if (cmd == POLL_AND_CHECK_STATUS) { /* also check status register */ - u_int16_t status; - - status = CSR_READ_2(sc, RTK_ISR); - if (status == 0xffff) - goto done; - if (status) - CSR_WRITE_2(sc, RTK_ISR, status); - - /* - * XXX check behaviour on receiver stalls. - */ - - if (status & RTK_ISR_SYSTEM_ERR) { - re_reset(sc); - re_init(sc); - } - } -done: - RTK_UNLOCK(sc); -} -#endif /* DEVICE_POLLING */ - -static int -re_intr(void *arg) -{ - struct rtk_softc *sc = arg; - struct ifnet *ifp; - u_int16_t status; - int handled = 0; - -#if 0 - if (sc->suspended) { - return 0; - } -#endif - ifp = &sc->ethercom.ec_if; - - if (!(ifp->if_flags & IFF_UP)) - return 0; - -#ifdef DEVICE_POLLING - if (ifp->if_flags & IFF_POLLING) - goto done; - if ((ifp->if_capenable & IFCAP_POLLING) && - ether_poll_register(re_poll, ifp)) { /* ok, disable interrupts */ - CSR_WRITE_2(sc, RTK_IMR, 0x0000); - re_poll(ifp, 0, 1); - goto done; - } -#endif /* DEVICE_POLLING */ - - for (;;) { - - status = CSR_READ_2(sc, RTK_ISR); - /* If the card has gone away the read returns 0xffff. */ - if (status == 0xffff) - break; - if (status) { - handled = 1; - CSR_WRITE_2(sc, RTK_ISR, status); - } - - if ((status & RTK_INTRS_CPLUS) == 0) - break; - - if (status & RTK_ISR_RX_OK) - re_rxeof(sc); - - if (status & RTK_ISR_RX_ERR) - re_rxeof(sc); - - if ((status & RTK_ISR_TIMEOUT_EXPIRED) || - (status & RTK_ISR_TX_ERR) || - (status & RTK_ISR_TX_DESC_UNAVAIL)) - re_txeof(sc); - - if (status & RTK_ISR_SYSTEM_ERR) { - re_reset(sc); - re_init(ifp); - } - - if (status & RTK_ISR_LINKCHG) { - callout_stop(&sc->rtk_tick_ch); - re_tick(sc); - } - } - - if (ifp->if_snd.ifq_head != NULL) - (*ifp->if_start)(ifp); - -#ifdef DEVICE_POLLING -done: -#endif - - return handled; -} - -static int -re_encap(struct rtk_softc *sc, struct mbuf *m_head, int *idx) -{ - bus_dmamap_t map; - int error, i, curidx; - struct m_tag *mtag; - struct rtk_desc *d; - u_int32_t cmdstat, rtk_flags; - - if (sc->rtk_ldata.rtk_tx_free <= 4) - return(EFBIG); - - /* - * Set up checksum offload. Note: checksum offload bits must - * appear in all descriptors of a multi-descriptor transmit - * attempt. (This is according to testing done with an 8169 - * chip. I'm not sure if this is a requirement or a bug.) - */ - - rtk_flags = 0; - - if (m_head->m_pkthdr.csum_flags & M_CSUM_IPv4) - rtk_flags |= RTK_TDESC_CMD_IPCSUM; - if (m_head->m_pkthdr.csum_flags & M_CSUM_TCPv4) - rtk_flags |= RTK_TDESC_CMD_TCPCSUM; - if (m_head->m_pkthdr.csum_flags & M_CSUM_UDPv4) - rtk_flags |= RTK_TDESC_CMD_UDPCSUM; - - map = sc->rtk_ldata.rtk_tx_dmamap[*idx]; - error = bus_dmamap_load_mbuf(sc->sc_dmat, map, - m_head, BUS_DMA_NOWAIT); - - if (error) { - printf("%s: can't map mbuf (error %d)\n", - sc->sc_dev.dv_xname, error); - return ENOBUFS; - } - - if (map->dm_nsegs > sc->rtk_ldata.rtk_tx_free - 4) - return ENOBUFS; - /* - * Map the segment array into descriptors. Note that we set the - * start-of-frame and end-of-frame markers for either TX or RX, but - * they really only have meaning in the TX case. (In the RX case, - * it's the chip that tells us where packets begin and end.) - * We also keep track of the end of the ring and set the - * end-of-ring bits as needed, and we set the ownership bits - * in all except the very first descriptor. (The caller will - * set this descriptor later when it start transmission or - * reception.) - */ - i = 0; - curidx = *idx; - while (1) { - d = &sc->rtk_ldata.rtk_tx_list[curidx]; - if (le32toh(d->rtk_cmdstat) & RTK_RDESC_STAT_OWN) - return ENOBUFS; - - cmdstat = map->dm_segs[i].ds_len; - d->rtk_bufaddr_lo = - htole32(RTK_ADDR_LO(map->dm_segs[i].ds_addr)); - d->rtk_bufaddr_hi = - htole32(RTK_ADDR_HI(map->dm_segs[i].ds_addr)); - if (i == 0) - cmdstat |= RTK_TDESC_CMD_SOF; - else - cmdstat |= RTK_TDESC_CMD_OWN; - if (curidx == (RTK_RX_DESC_CNT - 1)) - cmdstat |= RTK_TDESC_CMD_EOR; - d->rtk_cmdstat = htole32(cmdstat | rtk_flags); - i++; - if (i == map->dm_nsegs) - break; - RTK_DESC_INC(curidx); - } - - d->rtk_cmdstat |= htole32(RTK_TDESC_CMD_EOF); - - /* - * Insure that the map for this transmission - * is placed at the array index of the last descriptor - * in this chain. - */ - sc->rtk_ldata.rtk_tx_dmamap[*idx] = - sc->rtk_ldata.rtk_tx_dmamap[curidx]; - sc->rtk_ldata.rtk_tx_dmamap[curidx] = map; - sc->rtk_ldata.rtk_tx_mbuf[curidx] = m_head; - sc->rtk_ldata.rtk_tx_free -= map->dm_nsegs; - - /* - * Set up hardware VLAN tagging. Note: vlan tag info must - * appear in the first descriptor of a multi-descriptor - * transmission attempt. - */ - - if (sc->ethercom.ec_nvlans && - (mtag = m_tag_find(m_head, PACKET_TAG_VLAN, NULL)) != NULL) - sc->rtk_ldata.rtk_tx_list[*idx].rtk_vlanctl = - htole32(htons(*(u_int *)(mtag + 1)) | - RTK_TDESC_VLANCTL_TAG); - - /* Transfer ownership of packet to the chip. */ - - sc->rtk_ldata.rtk_tx_list[curidx].rtk_cmdstat |= - htole32(RTK_TDESC_CMD_OWN); - if (*idx != curidx) - sc->rtk_ldata.rtk_tx_list[*idx].rtk_cmdstat |= - htole32(RTK_TDESC_CMD_OWN); - - RTK_DESC_INC(curidx); - *idx = curidx; - - return 0; -} - -/* - * Main transmit routine for C+ and gigE NICs. - */ - -static void -re_start(struct ifnet *ifp) -{ - struct rtk_softc *sc; - struct mbuf *m_head = NULL; - int idx; - - sc = ifp->if_softc; - - idx = sc->rtk_ldata.rtk_tx_prodidx; - while (sc->rtk_ldata.rtk_tx_mbuf[idx] == NULL) { - IF_DEQUEUE(&ifp->if_snd, m_head); - if (m_head == NULL) - break; - - if (re_encap(sc, m_head, &idx)) { - IF_PREPEND(&ifp->if_snd, m_head); - ifp->if_flags |= IFF_OACTIVE; - break; - } -#if NBPFILTER > 0 - /* - * If there's a BPF listener, bounce a copy of this frame - * to him. - */ - if (ifp->if_bpf) - bpf_mtap(ifp->if_bpf, m_head); -#endif - } - - /* Flush the TX descriptors */ - - bus_dmamap_sync(sc->sc_dmat, - sc->rtk_ldata.rtk_tx_list_map, - 0, sc->rtk_ldata.rtk_tx_list_map->dm_mapsize, - BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD); - - sc->rtk_ldata.rtk_tx_prodidx = idx; - - /* - * RealTek put the TX poll request register in a different - * location on the 8169 gigE chip. I don't know why. - */ - - if (sc->rtk_type == RTK_8169) - CSR_WRITE_2(sc, RTK_GTXSTART, RTK_TXSTART_START); - else - CSR_WRITE_2(sc, RTK_TXSTART, RTK_TXSTART_START); - - /* - * Use the countdown timer for interrupt moderation. - * 'TX done' interrupts are disabled. Instead, we reset the - * countdown timer, which will begin counting until it hits - * the value in the TIMERINT register, and then trigger an - * interrupt. Each time we write to the TIMERCNT register, - * the timer count is reset to 0. - */ - CSR_WRITE_4(sc, RTK_TIMERCNT, 1); - - /* - * Set a timeout in case the chip goes out to lunch. - */ - ifp->if_timer = 5; - - return; -} - -static int -re_init(struct ifnet *ifp) -{ - struct rtk_softc *sc = ifp->if_softc; - u_int32_t rxcfg = 0; - u_int32_t reg; - - /* - * Cancel pending I/O and free all RX/TX buffers. - */ - re_stop(sc); - - /* - * Enable C+ RX and TX mode, as well as VLAN stripping and - * RX checksum offload. We must configure the C+ register - * before all others. - */ - CSR_WRITE_2(sc, RTK_CPLUS_CMD, RTK_CPLUSCMD_RXENB| - RTK_CPLUSCMD_TXENB|RTK_CPLUSCMD_PCI_MRW| - RTK_CPLUSCMD_VLANSTRIP| - (ifp->if_capenable & - (IFCAP_CSUM_IPv4 |IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4) ? - RTK_CPLUSCMD_RXCSUM_ENB : 0)); - - /* - * Init our MAC address. Even though the chipset - * documentation doesn't mention it, we need to enter "Config - * register write enable" mode to modify the ID registers. - */ - CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_WRITECFG); - memcpy(®, LLADDR(ifp->if_sadl), 4); - CSR_WRITE_STREAM_4(sc, RTK_IDR0, reg); - reg = 0; - memcpy(®, LLADDR(ifp->if_sadl) + 4, 4); - CSR_WRITE_STREAM_4(sc, RTK_IDR4, reg); - CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_OFF); - - /* - * For C+ mode, initialize the RX descriptors and mbufs. - */ - re_rx_list_init(sc); - re_tx_list_init(sc); - - /* - * Enable transmit and receive. - */ - CSR_WRITE_1(sc, RTK_COMMAND, RTK_CMD_TX_ENB|RTK_CMD_RX_ENB); - - /* - * Set the initial TX and RX configuration. - */ - if (sc->rtk_testmode) { - if (sc->rtk_type == RTK_8169) - CSR_WRITE_4(sc, RTK_TXCFG, - RTK_TXCFG_CONFIG|RTK_LOOPTEST_ON); - else - CSR_WRITE_4(sc, RTK_TXCFG, - RTK_TXCFG_CONFIG|RTK_LOOPTEST_ON_CPLUS); - } else - CSR_WRITE_4(sc, RTK_TXCFG, RTK_TXCFG_CONFIG); - CSR_WRITE_4(sc, RTK_RXCFG, RTK_RXCFG_CONFIG); - - /* Set the individual bit to receive frames for this host only. */ - rxcfg = CSR_READ_4(sc, RTK_RXCFG); - rxcfg |= RTK_RXCFG_RX_INDIV; - - /* If we want promiscuous mode, set the allframes bit. */ - if (ifp->if_flags & IFF_PROMISC) { - rxcfg |= RTK_RXCFG_RX_ALLPHYS; - CSR_WRITE_4(sc, RTK_RXCFG, rxcfg); - } else { - rxcfg &= ~RTK_RXCFG_RX_ALLPHYS; - CSR_WRITE_4(sc, RTK_RXCFG, rxcfg); - } - - /* - * Set capture broadcast bit to capture broadcast frames. - */ - if (ifp->if_flags & IFF_BROADCAST) { - rxcfg |= RTK_RXCFG_RX_BROAD; - CSR_WRITE_4(sc, RTK_RXCFG, rxcfg); - } else { - rxcfg &= ~RTK_RXCFG_RX_BROAD; - CSR_WRITE_4(sc, RTK_RXCFG, rxcfg); - } - - /* - * Program the multicast filter, if necessary. - */ - rtk_setmulti(sc); - -#ifdef DEVICE_POLLING - /* - * Disable interrupts if we are polling. - */ - if (ifp->if_flags & IFF_POLLING) - CSR_WRITE_2(sc, RTK_IMR, 0); - else /* otherwise ... */ -#endif /* DEVICE_POLLING */ - /* - * Enable interrupts. - */ - if (sc->rtk_testmode) - CSR_WRITE_2(sc, RTK_IMR, 0); - else - CSR_WRITE_2(sc, RTK_IMR, RTK_INTRS_CPLUS); - - /* Start RX/TX process. */ - CSR_WRITE_4(sc, RTK_MISSEDPKT, 0); -#ifdef notdef - /* Enable receiver and transmitter. */ - CSR_WRITE_1(sc, RTK_COMMAND, RTK_CMD_TX_ENB|RTK_CMD_RX_ENB); -#endif - /* - * Load the addresses of the RX and TX lists into the chip. - */ - - CSR_WRITE_4(sc, RTK_RXLIST_ADDR_HI, - RTK_ADDR_HI(sc->rtk_ldata.rtk_rx_listseg.ds_addr)); - CSR_WRITE_4(sc, RTK_RXLIST_ADDR_LO, - RTK_ADDR_LO(sc->rtk_ldata.rtk_rx_listseg.ds_addr)); - - CSR_WRITE_4(sc, RTK_TXLIST_ADDR_HI, - RTK_ADDR_HI(sc->rtk_ldata.rtk_tx_listseg.ds_addr)); - CSR_WRITE_4(sc, RTK_TXLIST_ADDR_LO, - RTK_ADDR_LO(sc->rtk_ldata.rtk_tx_listseg.ds_addr)); - - CSR_WRITE_1(sc, RTK_EARLY_TX_THRESH, 16); - - /* - * Initialize the timer interrupt register so that - * a timer interrupt will be generated once the timer - * reaches a certain number of ticks. The timer is - * reloaded on each transmit. This gives us TX interrupt - * moderation, which dramatically improves TX frame rate. - */ - - if (sc->rtk_type == RTK_8169) - CSR_WRITE_4(sc, RTK_TIMERINT_8169, 0x800); - else - CSR_WRITE_4(sc, RTK_TIMERINT, 0x400); - - /* - * For 8169 gigE NICs, set the max allowed RX packet - * size so we can receive jumbo frames. - */ - if (sc->rtk_type == RTK_8169) - CSR_WRITE_2(sc, RTK_MAXRXPKTLEN, 16383); - - if (sc->rtk_testmode) - return 0; - - mii_mediachg(&sc->mii); - - CSR_WRITE_1(sc, RTK_CFG1, RTK_CFG1_DRVLOAD|RTK_CFG1_FULLDUPLEX); - - ifp->if_flags |= IFF_RUNNING; - ifp->if_flags &= ~IFF_OACTIVE; - - callout_reset(&sc->rtk_tick_ch, hz, re_tick, sc); - - return 0; -} - -/* - * Set media options. - */ -static int -re_ifmedia_upd(struct ifnet *ifp) -{ - struct rtk_softc *sc; - - sc = ifp->if_softc; - - return (mii_mediachg(&sc->mii)); -} - -/* - * Report current media status. - */ -static void -re_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) -{ - struct rtk_softc *sc; - - sc = ifp->if_softc; - - mii_pollstat(&sc->mii); - ifmr->ifm_active = sc->mii.mii_media_active; - ifmr->ifm_status = sc->mii.mii_media_status; - - return; -} - -static int -re_ioctl(struct ifnet *ifp, u_long command, caddr_t data) -{ - struct rtk_softc *sc = ifp->if_softc; - struct ifreq *ifr = (struct ifreq *) data; - int s, error = 0; - - s = splnet(); - - switch(command) { - case SIOCSIFMTU: - if (ifr->ifr_mtu > RTK_JUMBO_MTU) - error = EINVAL; - ifp->if_mtu = ifr->ifr_mtu; - break; - case SIOCSIFFLAGS: - if (ifp->if_flags & IFF_UP) { - re_init(ifp); - } else { - if (ifp->if_flags & IFF_RUNNING) - re_stop(sc); - } - error = 0; - break; - case SIOCGIFMEDIA: - case SIOCSIFMEDIA: - error = ifmedia_ioctl(ifp, ifr, &sc->mii.mii_media, command); - break; - default: - error = ether_ioctl(ifp, command, data); - if (error == ENETRESET) { - if (ifp->if_flags & IFF_RUNNING) - rtk_setmulti(sc); - error = 0; - } - break; - } - - splx(s); - - return(error); -} - -static void -re_watchdog(struct ifnet *ifp) -{ - struct rtk_softc *sc; - int s; - - sc = ifp->if_softc; - s = splnet(); - printf("%s: watchdog timeout\n", sc->sc_dev.dv_xname); - ifp->if_oerrors++; - - re_txeof(sc); - re_rxeof(sc); - - re_init(ifp); - - splx(s); -} - -/* - * Stop the adapter and free any mbufs allocated to the - * RX and TX lists. - */ -static void -re_stop(struct rtk_softc *sc) -{ - register int i; - struct ifnet *ifp; - - ifp = &sc->ethercom.ec_if; - ifp->if_timer = 0; - - callout_stop(&sc->rtk_tick_ch); - ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); -#ifdef DEVICE_POLLING - ether_poll_deregister(ifp); -#endif /* DEVICE_POLLING */ - - CSR_WRITE_1(sc, RTK_COMMAND, 0x00); - CSR_WRITE_2(sc, RTK_IMR, 0x0000); - - if (sc->rtk_head != NULL) { - m_freem(sc->rtk_head); - sc->rtk_head = sc->rtk_tail = NULL; - } - - /* Free the TX list buffers. */ - - for (i = 0; i < RTK_TX_DESC_CNT; i++) { - if (sc->rtk_ldata.rtk_tx_mbuf[i] != NULL) { - bus_dmamap_unload(sc->sc_dmat, - sc->rtk_ldata.rtk_tx_dmamap[i]); - m_freem(sc->rtk_ldata.rtk_tx_mbuf[i]); - sc->rtk_ldata.rtk_tx_mbuf[i] = NULL; - } - } - - /* Free the RX list buffers. */ - - for (i = 0; i < RTK_RX_DESC_CNT; i++) { - if (sc->rtk_ldata.rtk_rx_mbuf[i] != NULL) { - bus_dmamap_unload(sc->sc_dmat, - sc->rtk_ldata.rtk_rx_dmamap[i]); - m_freem(sc->rtk_ldata.rtk_rx_mbuf[i]); - sc->rtk_ldata.rtk_rx_mbuf[i] = NULL; - } - } - - return; -} -#if 0 -/* - * Device suspend routine. Stop the interface and save some PCI - * settings in case the BIOS doesn't restore them properly on - * resume. - */ -static int -re_suspend(device_t dev) -{ - register int i; - struct rtk_softc *sc; - - sc = device_get_softc(dev); - - re_stop(sc); - - for (i = 0; i < 5; i++) - sc->saved_maps[i] = pci_read_config(dev, PCIR_MAPS + i * 4, 4); - sc->saved_biosaddr = pci_read_config(dev, PCIR_BIOS, 4); - sc->saved_intline = pci_read_config(dev, PCIR_INTLINE, 1); - sc->saved_cachelnsz = pci_read_config(dev, PCIR_CACHELNSZ, 1); - sc->saved_lattimer = pci_read_config(dev, PCIR_LATTIMER, 1); - - sc->suspended = 1; - - return (0); -} - -/* - * Device resume routine. Restore some PCI settings in case the BIOS - * doesn't, re-enable busmastering, and restart the interface if - * appropriate. - */ -static int -re_resume(device_t dev) -{ - register int i; - struct rtk_softc *sc; - struct ifnet *ifp; - - sc = device_get_softc(dev); - ifp = &sc->ethercom.ec_if; - - /* better way to do this? */ - for (i = 0; i < 5; i++) - pci_write_config(dev, PCIR_MAPS + i * 4, sc->saved_maps[i], 4); - pci_write_config(dev, PCIR_BIOS, sc->saved_biosaddr, 4); - pci_write_config(dev, PCIR_INTLINE, sc->saved_intline, 1); - pci_write_config(dev, PCIR_CACHELNSZ, sc->saved_cachelnsz, 1); - pci_write_config(dev, PCIR_LATTIMER, sc->saved_lattimer, 1); - - /* reenable busmastering */ - pci_enable_busmaster(dev); - pci_enable_io(dev, RTK_RES); - - /* reinitialize interface if necessary */ - if (ifp->if_flags & IFF_UP) - re_init(sc); - - sc->suspended = 0; - - return (0); -} - -/* - * Stop all chip I/O so that the kernel's probe routines don't - * get confused by errant DMAs when rebooting. - */ -static void -re_shutdown(device_t dev) -{ - struct rtk_softc *sc; - - sc = device_get_softc(dev); - - re_stop(sc); - - return; -} -#endif |
