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if_rl.c (112839) if_rl.c (112872)
1/*
2 * Copyright (c) 1997, 1998
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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123 * can hang the bus. I'm inclined to blame this on crummy design/construction
124 * on the part of RealTek. Memory mapped mode does appear to work on
125 * uniprocessor systems though.
126 */
127#define RL_USEIOSPACE
128
129#include <pci/if_rlreg.h>
130
1/*
2 * Copyright (c) 1997, 1998
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 114 unchanged lines hidden (view full) ---

123 * can hang the bus. I'm inclined to blame this on crummy design/construction
124 * on the part of RealTek. Memory mapped mode does appear to work on
125 * uniprocessor systems though.
126 */
127#define RL_USEIOSPACE
128
129#include <pci/if_rlreg.h>
130
131__FBSDID("$FreeBSD: head/sys/pci/if_rl.c 112839 2003-03-30 03:45:28Z silby $");
131__FBSDID("$FreeBSD: head/sys/pci/if_rl.c 112872 2003-03-31 17:29:43Z njl $");
132
133/*
134 * Various supported device vendors/types and their names.
135 */
136static struct rl_type rl_devs[] = {
137 { RT_VENDORID, RT_DEVICEID_8129,
138 "RealTek 8129 10/100BaseTX" },
139 { RT_VENDORID, RT_DEVICEID_8139,

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863 u_int16_t as[3];
864 struct rl_softc *sc;
865 struct ifnet *ifp;
866 u_int16_t rl_did = 0;
867 int unit, error = 0, rid, i;
868
869 sc = device_get_softc(dev);
870 unit = device_get_unit(dev);
132
133/*
134 * Various supported device vendors/types and their names.
135 */
136static struct rl_type rl_devs[] = {
137 { RT_VENDORID, RT_DEVICEID_8129,
138 "RealTek 8129 10/100BaseTX" },
139 { RT_VENDORID, RT_DEVICEID_8139,

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863 u_int16_t as[3];
864 struct rl_softc *sc;
865 struct ifnet *ifp;
866 u_int16_t rl_did = 0;
867 int unit, error = 0, rid, i;
868
869 sc = device_get_softc(dev);
870 unit = device_get_unit(dev);
871 bzero(sc, sizeof(struct rl_softc));
872
873 mtx_init(&sc->rl_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
874 MTX_DEF | MTX_RECURSE);
875
876 /*
877 * Handle power management nonsense.
878 */
879

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938
939 if ((rman_get_end(sc->rl_res)-rman_get_start(sc->rl_res))==0xff) {
940 printf("rl%d: Realtek 8139B detected. Warning, this may be unstable in autoselect mode\n", unit);
941 }
942
943 sc->rl_btag = rman_get_bustag(sc->rl_res);
944 sc->rl_bhandle = rman_get_bushandle(sc->rl_res);
945
871
872 mtx_init(&sc->rl_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
873 MTX_DEF | MTX_RECURSE);
874
875 /*
876 * Handle power management nonsense.
877 */
878

--- 58 unchanged lines hidden (view full) ---

937
938 if ((rman_get_end(sc->rl_res)-rman_get_start(sc->rl_res))==0xff) {
939 printf("rl%d: Realtek 8139B detected. Warning, this may be unstable in autoselect mode\n", unit);
940 }
941
942 sc->rl_btag = rman_get_bustag(sc->rl_res);
943 sc->rl_bhandle = rman_get_bushandle(sc->rl_res);
944
945 /* Allocate interrupt */
946 rid = 0;
947 sc->rl_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
948 RF_SHAREABLE | RF_ACTIVE);
949
950 if (sc->rl_irq == NULL) {
951 printf("rl%d: couldn't map interrupt\n", unit);
946 rid = 0;
947 sc->rl_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
948 RF_SHAREABLE | RF_ACTIVE);
949
950 if (sc->rl_irq == NULL) {
951 printf("rl%d: couldn't map interrupt\n", unit);
952 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
953 error = ENXIO;
954 goto fail;
955 }
956
957 /* Reset the adapter. */
958 rl_reset(sc);
959 sc->rl_eecmd_read = RL_EECMD_READ_6BIT;
960 rl_read_eeprom(sc, (caddr_t)&rl_did, 0, 1, 0);

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991 rl_did == COREGA_DEVICEID_FETHERCBTXD ||
992 rl_did == COREGA_DEVICEID_FETHERIICBTXD ||
993 rl_did == PLANEX_DEVICEID_FNW3800TX)
994 sc->rl_type = RL_8139;
995 else if (rl_did == RT_DEVICEID_8129)
996 sc->rl_type = RL_8129;
997 else {
998 printf("rl%d: unknown device ID: %x\n", unit, rl_did);
952 error = ENXIO;
953 goto fail;
954 }
955
956 /* Reset the adapter. */
957 rl_reset(sc);
958 sc->rl_eecmd_read = RL_EECMD_READ_6BIT;
959 rl_read_eeprom(sc, (caddr_t)&rl_did, 0, 1, 0);

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990 rl_did == COREGA_DEVICEID_FETHERCBTXD ||
991 rl_did == COREGA_DEVICEID_FETHERIICBTXD ||
992 rl_did == PLANEX_DEVICEID_FNW3800TX)
993 sc->rl_type = RL_8139;
994 else if (rl_did == RT_DEVICEID_8129)
995 sc->rl_type = RL_8129;
996 else {
997 printf("rl%d: unknown device ID: %x\n", unit, rl_did);
999 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rl_irq);
1000 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
1001 error = ENXIO;
1002 goto fail;
1003 }
1004
1005 /*
1006 * Allocate the parent bus DMA tag appropriate for PCI.
1007 */
1008#define RL_NSEG_NEW 32
1009 error = bus_dma_tag_create(NULL, /* parent */
1010 1, 0, /* alignment, boundary */
1011 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
1012 BUS_SPACE_MAXADDR, /* highaddr */
1013 NULL, NULL, /* filter, filterarg */
1014 MAXBSIZE, RL_NSEG_NEW, /* maxsize, nsegments */
1015 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
1016 BUS_DMA_ALLOCNOW, /* flags */
1017 &sc->rl_parent_tag);
998 error = ENXIO;
999 goto fail;
1000 }
1001
1002 /*
1003 * Allocate the parent bus DMA tag appropriate for PCI.
1004 */
1005#define RL_NSEG_NEW 32
1006 error = bus_dma_tag_create(NULL, /* parent */
1007 1, 0, /* alignment, boundary */
1008 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
1009 BUS_SPACE_MAXADDR, /* highaddr */
1010 NULL, NULL, /* filter, filterarg */
1011 MAXBSIZE, RL_NSEG_NEW, /* maxsize, nsegments */
1012 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
1013 BUS_DMA_ALLOCNOW, /* flags */
1014 &sc->rl_parent_tag);
1015 if (error)
1016 goto fail;
1018
1019 /*
1020 * Now allocate a tag for the DMA descriptor lists.
1021 * All of our lists are allocated as a contiguous block
1022 * of memory.
1023 */
1024 error = bus_dma_tag_create(sc->rl_parent_tag, /* parent */
1025 1, 0, /* alignment, boundary */
1026 BUS_SPACE_MAXADDR, /* lowaddr */
1027 BUS_SPACE_MAXADDR, /* highaddr */
1028 NULL, NULL, /* filter, filterarg */
1029 RL_RXBUFLEN + 1518, 1, /* maxsize,nsegments */
1030 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
1031 0, /* flags */
1032 &sc->rl_tag);
1017
1018 /*
1019 * Now allocate a tag for the DMA descriptor lists.
1020 * All of our lists are allocated as a contiguous block
1021 * of memory.
1022 */
1023 error = bus_dma_tag_create(sc->rl_parent_tag, /* parent */
1024 1, 0, /* alignment, boundary */
1025 BUS_SPACE_MAXADDR, /* lowaddr */
1026 BUS_SPACE_MAXADDR, /* highaddr */
1027 NULL, NULL, /* filter, filterarg */
1028 RL_RXBUFLEN + 1518, 1, /* maxsize,nsegments */
1029 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
1030 0, /* flags */
1031 &sc->rl_tag);
1032 if (error)
1033 goto fail;
1033
1034 /*
1035 * Now allocate a chunk of DMA-able memory based on the
1036 * tag we just created.
1037 */
1038 error = bus_dmamem_alloc(sc->rl_tag,
1039 (void **)&sc->rl_cdata.rl_rx_buf, BUS_DMA_NOWAIT,
1040 &sc->rl_cdata.rl_rx_dmamap);
1041
1034
1035 /*
1036 * Now allocate a chunk of DMA-able memory based on the
1037 * tag we just created.
1038 */
1039 error = bus_dmamem_alloc(sc->rl_tag,
1040 (void **)&sc->rl_cdata.rl_rx_buf, BUS_DMA_NOWAIT,
1041 &sc->rl_cdata.rl_rx_dmamap);
1042
1042 if (sc->rl_cdata.rl_rx_buf == NULL) {
1043 if (error) {
1043 printf("rl%d: no memory for list buffers!\n", unit);
1044 printf("rl%d: no memory for list buffers!\n", unit);
1044 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rl_irq);
1045 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
1046 bus_dma_tag_destroy(sc->rl_tag);
1045 bus_dma_tag_destroy(sc->rl_tag);
1047 error = ENXIO;
1046 sc->rl_tag = NULL;
1048 goto fail;
1049 }
1050
1051 /* Leave a few bytes before the start of the RX ring buffer. */
1052 sc->rl_cdata.rl_rx_buf_ptr = sc->rl_cdata.rl_rx_buf;
1053 sc->rl_cdata.rl_rx_buf += sizeof(u_int64_t);
1054
1055 /* Do MII setup */
1056 if (mii_phy_probe(dev, &sc->rl_miibus,
1057 rl_ifmedia_upd, rl_ifmedia_sts)) {
1058 printf("rl%d: MII without any phy!\n", sc->rl_unit);
1047 goto fail;
1048 }
1049
1050 /* Leave a few bytes before the start of the RX ring buffer. */
1051 sc->rl_cdata.rl_rx_buf_ptr = sc->rl_cdata.rl_rx_buf;
1052 sc->rl_cdata.rl_rx_buf += sizeof(u_int64_t);
1053
1054 /* Do MII setup */
1055 if (mii_phy_probe(dev, &sc->rl_miibus,
1056 rl_ifmedia_upd, rl_ifmedia_sts)) {
1057 printf("rl%d: MII without any phy!\n", sc->rl_unit);
1059 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rl_irq);
1060 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
1061 bus_dmamem_free(sc->rl_tag,
1062 sc->rl_cdata.rl_rx_buf, sc->rl_cdata.rl_rx_dmamap);
1063 bus_dma_tag_destroy(sc->rl_tag);
1064 error = ENXIO;
1065 goto fail;
1066 }
1067
1068 ifp = &sc->arpcom.ac_if;
1069 ifp->if_softc = sc;
1070 ifp->if_unit = unit;
1071 ifp->if_name = "rl";
1072 ifp->if_mtu = ETHERMTU;
1073 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1074 ifp->if_ioctl = rl_ioctl;
1075 ifp->if_output = ether_output;
1076 ifp->if_start = rl_start;
1077 ifp->if_watchdog = rl_watchdog;
1078 ifp->if_init = rl_init;
1079 ifp->if_baudrate = 10000000;
1080 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
1081
1058 error = ENXIO;
1059 goto fail;
1060 }
1061
1062 ifp = &sc->arpcom.ac_if;
1063 ifp->if_softc = sc;
1064 ifp->if_unit = unit;
1065 ifp->if_name = "rl";
1066 ifp->if_mtu = ETHERMTU;
1067 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1068 ifp->if_ioctl = rl_ioctl;
1069 ifp->if_output = ether_output;
1070 ifp->if_start = rl_start;
1071 ifp->if_watchdog = rl_watchdog;
1072 ifp->if_init = rl_init;
1073 ifp->if_baudrate = 10000000;
1074 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
1075
1076 callout_handle_init(&sc->rl_stat_ch);
1077
1082 /*
1083 * Call MI attach routine.
1084 */
1085 ether_ifattach(ifp, eaddr);
1086
1087 error = bus_setup_intr(dev, sc->rl_irq, INTR_TYPE_NET,
1088 rl_intr, sc, &sc->rl_intrhand);
1089
1090 if (error) {
1091 printf("rl%d: couldn't set up irq\n", unit);
1078 /*
1079 * Call MI attach routine.
1080 */
1081 ether_ifattach(ifp, eaddr);
1082
1083 error = bus_setup_intr(dev, sc->rl_irq, INTR_TYPE_NET,
1084 rl_intr, sc, &sc->rl_intrhand);
1085
1086 if (error) {
1087 printf("rl%d: couldn't set up irq\n", unit);
1092 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rl_irq);
1093 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
1094 bus_dmamem_free(sc->rl_tag,
1095 sc->rl_cdata.rl_rx_buf, sc->rl_cdata.rl_rx_dmamap);
1096 bus_dma_tag_destroy(sc->rl_tag);
1097 goto fail;
1098 }
1099
1088 goto fail;
1089 }
1090
1100 callout_handle_init(&sc->rl_stat_ch);
1101fail:
1091fail:
1102 if (error != 0)
1103 mtx_destroy(&sc->rl_mtx);
1092 if (error)
1093 rl_detach(dev);
1094
1104 return (error);
1105}
1106
1107static int
1108rl_detach(dev)
1109 device_t dev;
1110{
1111 struct rl_softc *sc;
1112 struct ifnet *ifp;
1113
1114 sc = device_get_softc(dev);
1095 return (error);
1096}
1097
1098static int
1099rl_detach(dev)
1100 device_t dev;
1101{
1102 struct rl_softc *sc;
1103 struct ifnet *ifp;
1104
1105 sc = device_get_softc(dev);
1106 KASSERT(mtx_initialized(&sc->rl_mtx), "rl mutex not initialized");
1115 RL_LOCK(sc);
1116 ifp = &sc->arpcom.ac_if;
1117
1107 RL_LOCK(sc);
1108 ifp = &sc->arpcom.ac_if;
1109
1118 ether_ifdetach(ifp);
1119 rl_stop(sc);
1110 if (device_is_alive(dev)) {
1111 if (bus_child_present(dev))
1112 rl_stop(sc);
1113 ether_ifdetach(ifp);
1114 device_delete_child(dev, sc->rl_miibus);
1115 bus_generic_detach(dev);
1116 }
1120
1117
1121 bus_generic_detach(dev);
1122 device_delete_child(dev, sc->rl_miibus);
1118 if (sc->rl_intrhand)
1119 bus_teardown_intr(dev, sc->rl_irq, sc->rl_intrhand);
1120 if (sc->rl_irq)
1121 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rl_irq);
1122 if (sc->rl_res)
1123 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
1123
1124
1124 bus_teardown_intr(dev, sc->rl_irq, sc->rl_intrhand);
1125 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->rl_irq);
1126 bus_release_resource(dev, RL_RES, RL_RID, sc->rl_res);
1125 if (sc->rl_tag) {
1126 bus_dmamap_unload(sc->rl_tag, sc->rl_cdata.rl_rx_dmamap);
1127 bus_dmamem_free(sc->rl_tag, sc->rl_cdata.rl_rx_buf,
1128 sc->rl_cdata.rl_rx_dmamap);
1129 bus_dma_tag_destroy(sc->rl_tag);
1130 }
1131 if (sc->rl_parent_tag)
1132 bus_dma_tag_destroy(sc->rl_parent_tag);
1127
1133
1128 bus_dmamap_unload(sc->rl_tag, sc->rl_cdata.rl_rx_dmamap);
1129 bus_dmamem_free(sc->rl_tag, sc->rl_cdata.rl_rx_buf,
1130 sc->rl_cdata.rl_rx_dmamap);
1131 bus_dma_tag_destroy(sc->rl_tag);
1132 bus_dma_tag_destroy(sc->rl_parent_tag);
1133
1134 RL_UNLOCK(sc);
1135 mtx_destroy(&sc->rl_mtx);
1136
1137 return(0);
1138}
1139
1140/*
1141 * Initialize the transmit descriptors.

--- 787 unchanged lines hidden --- 		1134 RL_UNLOCK(sc);
1135 mtx_destroy(&sc->rl_mtx);
1136
1137 return(0);
1138}
1139
1140/*
1141 * Initialize the transmit descriptors.

--- 787 unchanged lines hidden ---