git: 81471049650f - main - Remove rt ethernet driver.
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Date: Sat, 04 Feb 2023 01:23:20 UTC
The branch main has been updated by jhibbits:
URL: https://cgit.FreeBSD.org/src/commit/?id=81471049650fbbeb0316116b34a256053987ef96
commit 81471049650fbbeb0316116b34a256053987ef96
Author: Justin Hibbits <jhibbits@FreeBSD.org>
AuthorDate: 2023-02-04 01:21:20 +0000
Commit: Justin Hibbits <jhibbits@FreeBSD.org>
CommitDate: 2023-02-04 01:22:13 +0000
Remove rt ethernet driver.
dev/rt is used only in some MIPS SoCs, and MIPS is gone.
---
sys/dev/rt/if_rt.c | 2949 -------------------------------------------------
sys/dev/rt/if_rtreg.h | 352 ------
sys/dev/rt/if_rtvar.h | 318 ------
3 files changed, 3619 deletions(-)
diff --git a/sys/dev/rt/if_rt.c b/sys/dev/rt/if_rt.c
deleted file mode 100644
index 22f24a9affda..000000000000
--- a/sys/dev/rt/if_rt.c
+++ /dev/null
@@ -1,2949 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2015-2016, Stanislav Galabov
- * Copyright (c) 2014, Aleksandr A. Mityaev
- * Copyright (c) 2011, Aleksandr Rybalko
- * based on hard work
- * by Alexander Egorenkov <egorenar@gmail.com>
- * and by Damien Bergamini <damien.bergamini@free.fr>
- * 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 unmodified, 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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>
-__FBSDID("$FreeBSD$");
-
-#include "if_rtvar.h"
-#include "if_rtreg.h"
-
-#include <sys/kenv.h>
-
-#include <net/if.h>
-#include <net/if_var.h>
-#include <net/if_arp.h>
-#include <net/ethernet.h>
-#include <net/if_dl.h>
-#include <net/if_media.h>
-#include <net/if_types.h>
-#include <net/if_vlan_var.h>
-
-#include <net/bpf.h>
-
-#include <machine/bus.h>
-#include <machine/cache.h>
-#include <machine/cpufunc.h>
-#include <machine/resource.h>
-#include <vm/vm_param.h>
-#include <vm/vm.h>
-#include <vm/pmap.h>
-#include <machine/pmap.h>
-#include <sys/bus.h>
-#include <sys/rman.h>
-
-#include "opt_platform.h"
-#include "opt_rt305x.h"
-
-#ifdef FDT
-#include <dev/ofw/openfirm.h>
-#include <dev/ofw/ofw_bus.h>
-#include <dev/ofw/ofw_bus_subr.h>
-#endif
-
-#include <dev/mii/mii.h>
-#include <dev/mii/miivar.h>
-
-#ifdef RT_MDIO
-#include <dev/mdio/mdio.h>
-#include <dev/etherswitch/miiproxy.h>
-#include "mdio_if.h"
-#endif
-
-#if 0
-#include <mips/rt305x/rt305x_sysctlvar.h>
-#include <mips/rt305x/rt305xreg.h>
-#endif
-
-#ifdef IF_RT_PHY_SUPPORT
-#include "miibus_if.h"
-#endif
-
-/*
- * Defines and macros
- */
-#define RT_MAX_AGG_SIZE 3840
-
-#define RT_TX_DATA_SEG0_SIZE MJUMPAGESIZE
-
-#define RT_MS(_v, _f) (((_v) & _f) >> _f##_S)
-#define RT_SM(_v, _f) (((_v) << _f##_S) & _f)
-
-#define RT_TX_WATCHDOG_TIMEOUT 5
-
-#define RT_CHIPID_RT2880 0x2880
-#define RT_CHIPID_RT3050 0x3050
-#define RT_CHIPID_RT3883 0x3883
-#define RT_CHIPID_RT5350 0x5350
-#define RT_CHIPID_MT7620 0x7620
-#define RT_CHIPID_MT7621 0x7621
-
-#ifdef FDT
-/* more specific and new models should go first */
-static const struct ofw_compat_data rt_compat_data[] = {
- { "ralink,rt2880-eth", RT_CHIPID_RT2880 },
- { "ralink,rt3050-eth", RT_CHIPID_RT3050 },
- { "ralink,rt3352-eth", RT_CHIPID_RT3050 },
- { "ralink,rt3883-eth", RT_CHIPID_RT3883 },
- { "ralink,rt5350-eth", RT_CHIPID_RT5350 },
- { "ralink,mt7620a-eth", RT_CHIPID_MT7620 },
- { "mediatek,mt7620-eth", RT_CHIPID_MT7620 },
- { "ralink,mt7621-eth", RT_CHIPID_MT7621 },
- { "mediatek,mt7621-eth", RT_CHIPID_MT7621 },
- { NULL, 0 }
-};
-#endif
-
-/*
- * Static function prototypes
- */
-static int rt_probe(device_t dev);
-static int rt_attach(device_t dev);
-static int rt_detach(device_t dev);
-static int rt_shutdown(device_t dev);
-static int rt_suspend(device_t dev);
-static int rt_resume(device_t dev);
-static void rt_init_locked(void *priv);
-static void rt_init(void *priv);
-static void rt_stop_locked(void *priv);
-static void rt_stop(void *priv);
-static void rt_start(struct ifnet *ifp);
-static int rt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
-static void rt_tx_watchdog(void *arg);
-static void rt_intr(void *arg);
-static void rt_rt5350_intr(void *arg);
-static void rt_tx_coherent_intr(struct rt_softc *sc);
-static void rt_rx_coherent_intr(struct rt_softc *sc);
-static void rt_rx_delay_intr(struct rt_softc *sc);
-static void rt_tx_delay_intr(struct rt_softc *sc);
-static void rt_rx_intr(struct rt_softc *sc, int qid);
-static void rt_tx_intr(struct rt_softc *sc, int qid);
-static void rt_rx_done_task(void *context, int pending);
-static void rt_tx_done_task(void *context, int pending);
-static void rt_periodic_task(void *context, int pending);
-static int rt_rx_eof(struct rt_softc *sc,
- struct rt_softc_rx_ring *ring, int limit);
-static void rt_tx_eof(struct rt_softc *sc,
- struct rt_softc_tx_ring *ring);
-static void rt_update_stats(struct rt_softc *sc);
-static void rt_watchdog(struct rt_softc *sc);
-static void rt_update_raw_counters(struct rt_softc *sc);
-static void rt_intr_enable(struct rt_softc *sc, uint32_t intr_mask);
-static void rt_intr_disable(struct rt_softc *sc, uint32_t intr_mask);
-static int rt_txrx_enable(struct rt_softc *sc);
-static int rt_alloc_rx_ring(struct rt_softc *sc,
- struct rt_softc_rx_ring *ring, int qid);
-static void rt_reset_rx_ring(struct rt_softc *sc,
- struct rt_softc_rx_ring *ring);
-static void rt_free_rx_ring(struct rt_softc *sc,
- struct rt_softc_rx_ring *ring);
-static int rt_alloc_tx_ring(struct rt_softc *sc,
- struct rt_softc_tx_ring *ring, int qid);
-static void rt_reset_tx_ring(struct rt_softc *sc,
- struct rt_softc_tx_ring *ring);
-static void rt_free_tx_ring(struct rt_softc *sc,
- struct rt_softc_tx_ring *ring);
-static void rt_dma_map_addr(void *arg, bus_dma_segment_t *segs,
- int nseg, int error);
-static void rt_sysctl_attach(struct rt_softc *sc);
-#ifdef IF_RT_PHY_SUPPORT
-void rt_miibus_statchg(device_t);
-#endif
-#if defined(IF_RT_PHY_SUPPORT) || defined(RT_MDIO)
-static int rt_miibus_readreg(device_t, int, int);
-static int rt_miibus_writereg(device_t, int, int, int);
-#endif
-static int rt_ifmedia_upd(struct ifnet *);
-static void rt_ifmedia_sts(struct ifnet *, struct ifmediareq *);
-
-static SYSCTL_NODE(_hw, OID_AUTO, rt, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
- "RT driver parameters");
-#ifdef IF_RT_DEBUG
-static int rt_debug = 0;
-SYSCTL_INT(_hw_rt, OID_AUTO, debug, CTLFLAG_RWTUN, &rt_debug, 0,
- "RT debug level");
-#endif
-
-static int
-rt_probe(device_t dev)
-{
- struct rt_softc *sc = device_get_softc(dev);
- char buf[80];
-#ifdef FDT
- const struct ofw_compat_data * cd;
-
- cd = ofw_bus_search_compatible(dev, rt_compat_data);
- if (cd->ocd_data == 0)
- return (ENXIO);
-
- sc->rt_chipid = (unsigned int)(cd->ocd_data);
-#else
-#if defined(MT7620)
- sc->rt_chipid = RT_CHIPID_MT7620;
-#elif defined(MT7621)
- sc->rt_chipid = RT_CHIPID_MT7621;
-#elif defined(RT5350)
- sc->rt_chipid = RT_CHIPID_RT5350;
-#else
- sc->rt_chipid = RT_CHIPID_RT3050;
-#endif
-#endif
- snprintf(buf, sizeof(buf), "Ralink %cT%x onChip Ethernet driver",
- sc->rt_chipid >= 0x7600 ? 'M' : 'R', sc->rt_chipid);
- device_set_desc_copy(dev, buf);
- return (BUS_PROBE_GENERIC);
-}
-
-/*
- * macaddr_atoi - translate string MAC address to uint8_t array
- */
-static int
-macaddr_atoi(const char *str, uint8_t *mac)
-{
- int count, i;
- unsigned int amac[ETHER_ADDR_LEN]; /* Aligned version */
-
- count = sscanf(str, "%x%*c%x%*c%x%*c%x%*c%x%*c%x",
- &amac[0], &amac[1], &amac[2],
- &amac[3], &amac[4], &amac[5]);
- if (count < ETHER_ADDR_LEN) {
- memset(mac, 0, ETHER_ADDR_LEN);
- return (1);
- }
-
- /* Copy aligned to result */
- for (i = 0; i < ETHER_ADDR_LEN; i ++)
- mac[i] = (amac[i] & 0xff);
-
- return (0);
-}
-
-#ifdef USE_GENERATED_MAC_ADDRESS
-/*
- * generate_mac(uin8_t *mac)
- * This is MAC address generator for cases when real device MAC address
- * unknown or not yet accessible.
- * Use 'b','s','d' signature and 3 octets from CRC32 on kenv.
- * MAC = 'b', 's', 'd', CRC[3]^CRC[2], CRC[1], CRC[0]
- *
- * Output - MAC address, that do not change between reboots, if hints or
- * bootloader info unchange.
- */
-static void
-generate_mac(uint8_t *mac)
-{
- unsigned char *cp;
- int i = 0;
- uint32_t crc = 0xffffffff;
-
- /* Generate CRC32 on kenv */
- for (cp = kenvp[0]; cp != NULL; cp = kenvp[++i]) {
- crc = calculate_crc32c(crc, cp, strlen(cp) + 1);
- }
- crc = ~crc;
-
- mac[0] = 'b';
- mac[1] = 's';
- mac[2] = 'd';
- mac[3] = (crc >> 24) ^ ((crc >> 16) & 0xff);
- mac[4] = (crc >> 8) & 0xff;
- mac[5] = crc & 0xff;
-}
-#endif
-
-/*
- * ether_request_mac - try to find usable MAC address.
- */
-static int
-ether_request_mac(device_t dev, uint8_t *mac)
-{
- const char *var;
-
- /*
- * "ethaddr" is passed via envp on RedBoot platforms
- * "kmac" is passed via argv on RouterBOOT platforms
- */
-#if defined(RT305X_UBOOT) || defined(__REDBOOT__) || defined(__ROUTERBOOT__)
- if ((var = kern_getenv("ethaddr")) != NULL ||
- (var = kern_getenv("kmac")) != NULL ) {
- if(!macaddr_atoi(var, mac)) {
- printf("%s: use %s macaddr from KENV\n",
- device_get_nameunit(dev), var);
- freeenv(var);
- return (0);
- }
- freeenv(var);
- }
-#endif
-
- /*
- * Try from hints
- * hint.[dev].[unit].macaddr
- */
- if (!resource_string_value(device_get_name(dev),
- device_get_unit(dev), "macaddr", &var)) {
- if(!macaddr_atoi(var, mac)) {
- printf("%s: use %s macaddr from hints\n",
- device_get_nameunit(dev), var);
- return (0);
- }
- }
-
-#ifdef USE_GENERATED_MAC_ADDRESS
- generate_mac(mac);
-
- device_printf(dev, "use generated %02x:%02x:%02x:%02x:%02x:%02x "
- "macaddr\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
-#else
- /* Hardcoded */
- mac[0] = 0x00;
- mac[1] = 0x18;
- mac[2] = 0xe7;
- mac[3] = 0xd5;
- mac[4] = 0x83;
- mac[5] = 0x90;
-
- device_printf(dev, "use hardcoded 00:18:e7:d5:83:90 macaddr\n");
-#endif
-
- return (0);
-}
-
-/*
- * Reset hardware
- */
-static void
-reset_freng(struct rt_softc *sc)
-{
- /* XXX hard reset kills everything so skip it ... */
- return;
-}
-
-static int
-rt_attach(device_t dev)
-{
- struct rt_softc *sc;
- struct ifnet *ifp;
- int error, i;
-#ifdef FDT
- phandle_t node;
- char fdtval[32];
-#endif
-
- sc = device_get_softc(dev);
- sc->dev = dev;
-
-#ifdef FDT
- node = ofw_bus_get_node(sc->dev);
-#endif
-
- mtx_init(&sc->lock, device_get_nameunit(dev), MTX_NETWORK_LOCK,
- MTX_DEF | MTX_RECURSE);
-
- sc->mem_rid = 0;
- sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
- RF_ACTIVE | RF_SHAREABLE);
- if (sc->mem == NULL) {
- device_printf(dev, "could not allocate memory resource\n");
- error = ENXIO;
- goto fail;
- }
-
- sc->bst = rman_get_bustag(sc->mem);
- sc->bsh = rman_get_bushandle(sc->mem);
-
- sc->irq_rid = 0;
- sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
- RF_ACTIVE);
- if (sc->irq == NULL) {
- device_printf(dev,
- "could not allocate interrupt resource\n");
- error = ENXIO;
- goto fail;
- }
-
-#ifdef IF_RT_DEBUG
- sc->debug = rt_debug;
-
- SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
- SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
- "debug", CTLFLAG_RW, &sc->debug, 0, "rt debug level");
-#endif
-
- /* Reset hardware */
- reset_freng(sc);
-
- if (sc->rt_chipid == RT_CHIPID_MT7620) {
- sc->csum_fail_ip = MT7620_RXD_SRC_IP_CSUM_FAIL;
- sc->csum_fail_l4 = MT7620_RXD_SRC_L4_CSUM_FAIL;
- } else if (sc->rt_chipid == RT_CHIPID_MT7621) {
- sc->csum_fail_ip = MT7621_RXD_SRC_IP_CSUM_FAIL;
- sc->csum_fail_l4 = MT7621_RXD_SRC_L4_CSUM_FAIL;
- } else {
- sc->csum_fail_ip = RT305X_RXD_SRC_IP_CSUM_FAIL;
- sc->csum_fail_l4 = RT305X_RXD_SRC_L4_CSUM_FAIL;
- }
-
- /* Fill in soc-specific registers map */
- switch(sc->rt_chipid) {
- case RT_CHIPID_MT7620:
- case RT_CHIPID_MT7621:
- sc->gdma1_base = MT7620_GDMA1_BASE;
- /* fallthrough */
- case RT_CHIPID_RT5350:
- device_printf(dev, "%cT%x Ethernet MAC (rev 0x%08x)\n",
- sc->rt_chipid >= 0x7600 ? 'M' : 'R',
- sc->rt_chipid, sc->mac_rev);
- /* RT5350: No GDMA, PSE, CDMA, PPE */
- RT_WRITE(sc, GE_PORT_BASE + 0x0C00, // UDPCS, TCPCS, IPCS=1
- RT_READ(sc, GE_PORT_BASE + 0x0C00) | (0x7<<16));
- sc->delay_int_cfg=RT5350_PDMA_BASE+RT5350_DELAY_INT_CFG;
- sc->fe_int_status=RT5350_FE_INT_STATUS;
- sc->fe_int_enable=RT5350_FE_INT_ENABLE;
- sc->pdma_glo_cfg=RT5350_PDMA_BASE+RT5350_PDMA_GLO_CFG;
- sc->pdma_rst_idx=RT5350_PDMA_BASE+RT5350_PDMA_RST_IDX;
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++) {
- sc->tx_base_ptr[i]=RT5350_PDMA_BASE+RT5350_TX_BASE_PTR(i);
- sc->tx_max_cnt[i]=RT5350_PDMA_BASE+RT5350_TX_MAX_CNT(i);
- sc->tx_ctx_idx[i]=RT5350_PDMA_BASE+RT5350_TX_CTX_IDX(i);
- sc->tx_dtx_idx[i]=RT5350_PDMA_BASE+RT5350_TX_DTX_IDX(i);
- }
- sc->rx_ring_count=2;
- sc->rx_base_ptr[0]=RT5350_PDMA_BASE+RT5350_RX_BASE_PTR0;
- sc->rx_max_cnt[0]=RT5350_PDMA_BASE+RT5350_RX_MAX_CNT0;
- sc->rx_calc_idx[0]=RT5350_PDMA_BASE+RT5350_RX_CALC_IDX0;
- sc->rx_drx_idx[0]=RT5350_PDMA_BASE+RT5350_RX_DRX_IDX0;
- sc->rx_base_ptr[1]=RT5350_PDMA_BASE+RT5350_RX_BASE_PTR1;
- sc->rx_max_cnt[1]=RT5350_PDMA_BASE+RT5350_RX_MAX_CNT1;
- sc->rx_calc_idx[1]=RT5350_PDMA_BASE+RT5350_RX_CALC_IDX1;
- sc->rx_drx_idx[1]=RT5350_PDMA_BASE+RT5350_RX_DRX_IDX1;
- sc->int_rx_done_mask=RT5350_INT_RXQ0_DONE;
- sc->int_tx_done_mask=RT5350_INT_TXQ0_DONE;
- break;
- default:
- device_printf(dev, "RT305XF Ethernet MAC (rev 0x%08x)\n",
- sc->mac_rev);
- sc->gdma1_base = GDMA1_BASE;
- sc->delay_int_cfg=PDMA_BASE+DELAY_INT_CFG;
- sc->fe_int_status=GE_PORT_BASE+FE_INT_STATUS;
- sc->fe_int_enable=GE_PORT_BASE+FE_INT_ENABLE;
- sc->pdma_glo_cfg=PDMA_BASE+PDMA_GLO_CFG;
- sc->pdma_rst_idx=PDMA_BASE+PDMA_RST_IDX;
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++) {
- sc->tx_base_ptr[i]=PDMA_BASE+TX_BASE_PTR(i);
- sc->tx_max_cnt[i]=PDMA_BASE+TX_MAX_CNT(i);
- sc->tx_ctx_idx[i]=PDMA_BASE+TX_CTX_IDX(i);
- sc->tx_dtx_idx[i]=PDMA_BASE+TX_DTX_IDX(i);
- }
- sc->rx_ring_count=1;
- sc->rx_base_ptr[0]=PDMA_BASE+RX_BASE_PTR0;
- sc->rx_max_cnt[0]=PDMA_BASE+RX_MAX_CNT0;
- sc->rx_calc_idx[0]=PDMA_BASE+RX_CALC_IDX0;
- sc->rx_drx_idx[0]=PDMA_BASE+RX_DRX_IDX0;
- sc->int_rx_done_mask=INT_RX_DONE;
- sc->int_tx_done_mask=INT_TXQ0_DONE;
- }
-
- if (sc->gdma1_base != 0)
- RT_WRITE(sc, sc->gdma1_base + GDMA_FWD_CFG,
- (
- GDM_ICS_EN | /* Enable IP Csum */
- GDM_TCS_EN | /* Enable TCP Csum */
- GDM_UCS_EN | /* Enable UDP Csum */
- GDM_STRPCRC | /* Strip CRC from packet */
- GDM_DST_PORT_CPU << GDM_UFRC_P_SHIFT | /* fwd UCast to CPU */
- GDM_DST_PORT_CPU << GDM_BFRC_P_SHIFT | /* fwd BCast to CPU */
- GDM_DST_PORT_CPU << GDM_MFRC_P_SHIFT | /* fwd MCast to CPU */
- GDM_DST_PORT_CPU << GDM_OFRC_P_SHIFT /* fwd Other to CPU */
- ));
-
-#ifdef FDT
- if (sc->rt_chipid == RT_CHIPID_RT2880 ||
- sc->rt_chipid == RT_CHIPID_RT3883) {
- if (OF_getprop(node, "port-mode", fdtval, sizeof(fdtval)) > 0 &&
- strcmp(fdtval, "gigasw") == 0)
- RT_WRITE(sc, MDIO_CFG, MDIO_2880_GIGA_INIT);
- else
- RT_WRITE(sc, MDIO_CFG, MDIO_2880_100T_INIT);
- }
-#endif
-
- /* allocate Tx and Rx rings */
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++) {
- error = rt_alloc_tx_ring(sc, &sc->tx_ring[i], i);
- if (error != 0) {
- device_printf(dev, "could not allocate Tx ring #%d\n",
- i);
- goto fail;
- }
- }
-
- sc->tx_ring_mgtqid = 5;
- for (i = 0; i < sc->rx_ring_count; i++) {
- error = rt_alloc_rx_ring(sc, &sc->rx_ring[i], i);
- if (error != 0) {
- device_printf(dev, "could not allocate Rx ring\n");
- goto fail;
- }
- }
-
- callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
-
- ifp = sc->ifp = if_alloc(IFT_ETHER);
- if (ifp == NULL) {
- device_printf(dev, "could not if_alloc()\n");
- error = ENOMEM;
- goto fail;
- }
-
- ifp->if_softc = sc;
- if_initname(ifp, device_get_name(sc->dev), device_get_unit(sc->dev));
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
- ifp->if_init = rt_init;
- ifp->if_ioctl = rt_ioctl;
- ifp->if_start = rt_start;
-#define RT_TX_QLEN 256
-
- IFQ_SET_MAXLEN(&ifp->if_snd, RT_TX_QLEN);
- ifp->if_snd.ifq_drv_maxlen = RT_TX_QLEN;
- IFQ_SET_READY(&ifp->if_snd);
-
-#ifdef IF_RT_PHY_SUPPORT
- error = mii_attach(dev, &sc->rt_miibus, ifp, rt_ifmedia_upd,
- rt_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, 0);
- if (error != 0) {
- device_printf(dev, "attaching PHYs failed\n");
- error = ENXIO;
- goto fail;
- }
-#else
- ifmedia_init(&sc->rt_ifmedia, 0, rt_ifmedia_upd, rt_ifmedia_sts);
- ifmedia_add(&sc->rt_ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 0,
- NULL);
- ifmedia_set(&sc->rt_ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX);
-
-#endif /* IF_RT_PHY_SUPPORT */
-
- ether_request_mac(dev, sc->mac_addr);
- ether_ifattach(ifp, sc->mac_addr);
-
- /*
- * Tell the upper layer(s) we support long frames.
- */
- ifp->if_hdrlen = sizeof(struct ether_vlan_header);
- ifp->if_capabilities |= IFCAP_VLAN_MTU;
- ifp->if_capenable |= IFCAP_VLAN_MTU;
- ifp->if_capabilities |= IFCAP_RXCSUM|IFCAP_TXCSUM;
- ifp->if_capenable |= IFCAP_RXCSUM|IFCAP_TXCSUM;
-
- /* init task queue */
- NET_TASK_INIT(&sc->rx_done_task, 0, rt_rx_done_task, sc);
- TASK_INIT(&sc->tx_done_task, 0, rt_tx_done_task, sc);
-
- sc->rx_process_limit = 100;
-
- sc->taskqueue = taskqueue_create("rt_taskq", M_NOWAIT,
- taskqueue_thread_enqueue, &sc->taskqueue);
-
- taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
- device_get_nameunit(sc->dev));
-
- TIMEOUT_TASK_INIT(sc->taskqueue, &sc->periodic_task, 0,
- rt_periodic_task, sc);
-
- rt_sysctl_attach(sc);
-
- /* set up interrupt */
- error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
- NULL, (sc->rt_chipid == RT_CHIPID_RT5350 ||
- sc->rt_chipid == RT_CHIPID_MT7620 ||
- sc->rt_chipid == RT_CHIPID_MT7621) ? rt_rt5350_intr : rt_intr,
- sc, &sc->irqh);
- if (error != 0) {
- printf("%s: could not set up interrupt\n",
- device_get_nameunit(dev));
- goto fail;
- }
-#ifdef IF_RT_DEBUG
- device_printf(dev, "debug var at %#08x\n", (u_int)&(sc->debug));
-#endif
-
- return (0);
-
-fail:
- /* free Tx and Rx rings */
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++)
- rt_free_tx_ring(sc, &sc->tx_ring[i]);
-
- for (i = 0; i < sc->rx_ring_count; i++)
- rt_free_rx_ring(sc, &sc->rx_ring[i]);
-
- mtx_destroy(&sc->lock);
-
- if (sc->mem != NULL)
- bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid,
- sc->mem);
-
- if (sc->irq != NULL)
- bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid,
- sc->irq);
-
- return (error);
-}
-
-/*
- * Set media options.
- */
-static int
-rt_ifmedia_upd(struct ifnet *ifp)
-{
- struct rt_softc *sc;
-#ifdef IF_RT_PHY_SUPPORT
- struct mii_data *mii;
- struct mii_softc *miisc;
- int error = 0;
-
- sc = ifp->if_softc;
- RT_SOFTC_LOCK(sc);
-
- mii = device_get_softc(sc->rt_miibus);
- LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
- PHY_RESET(miisc);
- error = mii_mediachg(mii);
- RT_SOFTC_UNLOCK(sc);
-
- return (error);
-
-#else /* !IF_RT_PHY_SUPPORT */
-
- struct ifmedia *ifm;
- struct ifmedia_entry *ife;
-
- sc = ifp->if_softc;
- ifm = &sc->rt_ifmedia;
- ife = ifm->ifm_cur;
-
- if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
- return (EINVAL);
-
- if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) {
- device_printf(sc->dev,
- "AUTO is not supported for multiphy MAC");
- return (EINVAL);
- }
-
- /*
- * Ignore everything
- */
- return (0);
-#endif /* IF_RT_PHY_SUPPORT */
-}
-
-/*
- * Report current media status.
- */
-static void
-rt_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
-{
-#ifdef IF_RT_PHY_SUPPORT
- struct rt_softc *sc;
- struct mii_data *mii;
-
- sc = ifp->if_softc;
-
- RT_SOFTC_LOCK(sc);
- mii = device_get_softc(sc->rt_miibus);
- mii_pollstat(mii);
- ifmr->ifm_active = mii->mii_media_active;
- ifmr->ifm_status = mii->mii_media_status;
- ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX;
- ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE;
- RT_SOFTC_UNLOCK(sc);
-#else /* !IF_RT_PHY_SUPPORT */
-
- ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE;
- ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX;
-#endif /* IF_RT_PHY_SUPPORT */
-}
-
-static int
-rt_detach(device_t dev)
-{
- struct rt_softc *sc;
- struct ifnet *ifp;
- int i;
-
- sc = device_get_softc(dev);
- ifp = sc->ifp;
-
- RT_DPRINTF(sc, RT_DEBUG_ANY, "detaching\n");
-
- RT_SOFTC_LOCK(sc);
- ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
- callout_stop(&sc->tx_watchdog_ch);
- RT_SOFTC_UNLOCK(sc);
-
- taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
- taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
- taskqueue_drain_timeout(sc->taskqueue, &sc->periodic_task);
-
- /* free Tx and Rx rings */
- RT_SOFTC_LOCK(sc);
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++)
- rt_free_tx_ring(sc, &sc->tx_ring[i]);
- for (i = 0; i < sc->rx_ring_count; i++)
- rt_free_rx_ring(sc, &sc->rx_ring[i]);
- RT_SOFTC_UNLOCK(sc);
-
-#ifdef IF_RT_PHY_SUPPORT
- if (sc->rt_miibus != NULL)
- device_delete_child(dev, sc->rt_miibus);
-#endif
-
- ether_ifdetach(ifp);
- if_free(ifp);
-
- taskqueue_free(sc->taskqueue);
-
- mtx_destroy(&sc->lock);
-
- bus_generic_detach(dev);
- bus_teardown_intr(dev, sc->irq, sc->irqh);
- bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
- bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
-
- return (0);
-}
-
-static int
-rt_shutdown(device_t dev)
-{
- struct rt_softc *sc;
-
- sc = device_get_softc(dev);
- RT_DPRINTF(sc, RT_DEBUG_ANY, "shutting down\n");
- rt_stop(sc);
-
- return (0);
-}
-
-static int
-rt_suspend(device_t dev)
-{
- struct rt_softc *sc;
-
- sc = device_get_softc(dev);
- RT_DPRINTF(sc, RT_DEBUG_ANY, "suspending\n");
- rt_stop(sc);
-
- return (0);
-}
-
-static int
-rt_resume(device_t dev)
-{
- struct rt_softc *sc;
- struct ifnet *ifp;
-
- sc = device_get_softc(dev);
- ifp = sc->ifp;
-
- RT_DPRINTF(sc, RT_DEBUG_ANY, "resuming\n");
-
- if (ifp->if_flags & IFF_UP)
- rt_init(sc);
-
- return (0);
-}
-
-/*
- * rt_init_locked - Run initialization process having locked mtx.
- */
-static void
-rt_init_locked(void *priv)
-{
- struct rt_softc *sc;
- struct ifnet *ifp;
-#ifdef IF_RT_PHY_SUPPORT
- struct mii_data *mii;
-#endif
- int i, ntries;
- uint32_t tmp;
-
- sc = priv;
- ifp = sc->ifp;
-#ifdef IF_RT_PHY_SUPPORT
- mii = device_get_softc(sc->rt_miibus);
-#endif
-
- RT_DPRINTF(sc, RT_DEBUG_ANY, "initializing\n");
-
- RT_SOFTC_ASSERT_LOCKED(sc);
-
- /* hardware reset */
- //RT_WRITE(sc, GE_PORT_BASE + FE_RST_GLO, PSE_RESET);
- //rt305x_sysctl_set(SYSCTL_RSTCTRL, SYSCTL_RSTCTRL_FRENG);
-
- /* Fwd to CPU (uni|broad|multi)cast and Unknown */
- if (sc->gdma1_base != 0)
- RT_WRITE(sc, sc->gdma1_base + GDMA_FWD_CFG,
- (
- GDM_ICS_EN | /* Enable IP Csum */
- GDM_TCS_EN | /* Enable TCP Csum */
- GDM_UCS_EN | /* Enable UDP Csum */
- GDM_STRPCRC | /* Strip CRC from packet */
- GDM_DST_PORT_CPU << GDM_UFRC_P_SHIFT | /* fwd UCast to CPU */
- GDM_DST_PORT_CPU << GDM_BFRC_P_SHIFT | /* fwd BCast to CPU */
- GDM_DST_PORT_CPU << GDM_MFRC_P_SHIFT | /* fwd MCast to CPU */
- GDM_DST_PORT_CPU << GDM_OFRC_P_SHIFT /* fwd Other to CPU */
- ));
-
- /* disable DMA engine */
- RT_WRITE(sc, sc->pdma_glo_cfg, 0);
- RT_WRITE(sc, sc->pdma_rst_idx, 0xffffffff);
-
- /* wait while DMA engine is busy */
- for (ntries = 0; ntries < 100; ntries++) {
- tmp = RT_READ(sc, sc->pdma_glo_cfg);
- if (!(tmp & (FE_TX_DMA_BUSY | FE_RX_DMA_BUSY)))
- break;
- DELAY(1000);
- }
-
- if (ntries == 100) {
- device_printf(sc->dev, "timeout waiting for DMA engine\n");
- goto fail;
- }
-
- /* reset Rx and Tx rings */
- tmp = FE_RST_DRX_IDX0 |
- FE_RST_DTX_IDX3 |
- FE_RST_DTX_IDX2 |
- FE_RST_DTX_IDX1 |
- FE_RST_DTX_IDX0;
-
- RT_WRITE(sc, sc->pdma_rst_idx, tmp);
-
- /* XXX switch set mac address */
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++)
- rt_reset_tx_ring(sc, &sc->tx_ring[i]);
-
- for (i = 0; i < RT_SOFTC_TX_RING_COUNT; i++) {
- /* update TX_BASE_PTRx */
- RT_WRITE(sc, sc->tx_base_ptr[i],
- sc->tx_ring[i].desc_phys_addr);
- RT_WRITE(sc, sc->tx_max_cnt[i],
- RT_SOFTC_TX_RING_DESC_COUNT);
- RT_WRITE(sc, sc->tx_ctx_idx[i], 0);
- }
-
- /* init Rx ring */
- for (i = 0; i < sc->rx_ring_count; i++)
- rt_reset_rx_ring(sc, &sc->rx_ring[i]);
-
- /* update RX_BASE_PTRx */
- for (i = 0; i < sc->rx_ring_count; i++) {
- RT_WRITE(sc, sc->rx_base_ptr[i],
- sc->rx_ring[i].desc_phys_addr);
- RT_WRITE(sc, sc->rx_max_cnt[i],
- RT_SOFTC_RX_RING_DATA_COUNT);
- RT_WRITE(sc, sc->rx_calc_idx[i],
- RT_SOFTC_RX_RING_DATA_COUNT - 1);
- }
-
- /* write back DDONE, 16byte burst enable RX/TX DMA */
- tmp = FE_TX_WB_DDONE | FE_DMA_BT_SIZE16 | FE_RX_DMA_EN | FE_TX_DMA_EN;
- if (sc->rt_chipid == RT_CHIPID_MT7620 ||
- sc->rt_chipid == RT_CHIPID_MT7621)
- tmp |= (1<<31);
- RT_WRITE(sc, sc->pdma_glo_cfg, tmp);
-
- /* disable interrupts mitigation */
- RT_WRITE(sc, sc->delay_int_cfg, 0);
-
- /* clear pending interrupts */
- RT_WRITE(sc, sc->fe_int_status, 0xffffffff);
-
- /* enable interrupts */
- if (sc->rt_chipid == RT_CHIPID_RT5350 ||
- sc->rt_chipid == RT_CHIPID_MT7620 ||
- sc->rt_chipid == RT_CHIPID_MT7621)
- tmp = RT5350_INT_TX_COHERENT |
- RT5350_INT_RX_COHERENT |
- RT5350_INT_TXQ3_DONE |
- RT5350_INT_TXQ2_DONE |
- RT5350_INT_TXQ1_DONE |
- RT5350_INT_TXQ0_DONE |
- RT5350_INT_RXQ1_DONE |
- RT5350_INT_RXQ0_DONE;
- else
- tmp = CNT_PPE_AF |
- CNT_GDM_AF |
- PSE_P2_FC |
- GDM_CRC_DROP |
- PSE_BUF_DROP |
- GDM_OTHER_DROP |
- PSE_P1_FC |
- PSE_P0_FC |
- PSE_FQ_EMPTY |
- INT_TX_COHERENT |
- INT_RX_COHERENT |
- INT_TXQ3_DONE |
- INT_TXQ2_DONE |
- INT_TXQ1_DONE |
- INT_TXQ0_DONE |
- INT_RX_DONE;
-
- sc->intr_enable_mask = tmp;
-
- RT_WRITE(sc, sc->fe_int_enable, tmp);
-
- if (rt_txrx_enable(sc) != 0)
- goto fail;
-
-#ifdef IF_RT_PHY_SUPPORT
- if (mii) mii_mediachg(mii);
-#endif /* IF_RT_PHY_SUPPORT */
-
- ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
- ifp->if_drv_flags |= IFF_DRV_RUNNING;
-
- sc->periodic_round = 0;
-
- taskqueue_enqueue_timeout(sc->taskqueue, &sc->periodic_task, hz / 10);
-
- return;
-
-fail:
- rt_stop_locked(sc);
-}
-
-/*
- * rt_init - lock and initialize device.
- */
-static void
-rt_init(void *priv)
-{
- struct rt_softc *sc;
-
- sc = priv;
- RT_SOFTC_LOCK(sc);
- rt_init_locked(sc);
- RT_SOFTC_UNLOCK(sc);
*** 2669 LINES SKIPPED ***