[b7a6d23a] | 1 | #ifndef RTEMS_COMPAT1_BSD_NET_H |
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| 2 | #define RTEMS_COMPAT1_BSD_NET_H |
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| 3 | |
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| 4 | /* BSD -> RTEMS conversion wrappers; stuff that must be defined |
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| 5 | * after most BSD headers are included. |
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| 6 | */ |
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| 7 | |
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| 8 | #include <netinet/in.h> |
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| 9 | #include <netinet/if_ether.h> |
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| 10 | |
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| 11 | /* Copyright: Till Straumann <strauman@slac.stanford.edu>, 2005; |
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| 12 | * License: see LICENSE file. |
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| 13 | */ |
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| 14 | |
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[b925ae7] | 15 | typedef struct device { |
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[b7a6d23a] | 16 | struct NET_SOFTC d_softc; /* MUST BE FIRST FIELD */ |
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| 17 | char *d_name; |
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| 18 | char *d_desc; |
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| 19 | int d_unit; |
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| 20 | int flags; |
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| 21 | /* pointer to ifconfig only valid during excution of |
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| 22 | * the n_attach/n_detach methods (see below) |
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| 23 | */ |
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| 24 | struct rtems_bsdnet_ifconfig *d_ifconfig; |
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| 25 | } netdev_t; |
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| 26 | |
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| 27 | #define THEDEVS NET_EMBEMB(the_,NETDRIVER_PREFIX,_devs) |
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| 28 | #define NETDEV_DECL netdev_t THEDEVS[NETDRIVER_SLOTS] |
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| 29 | |
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| 30 | extern NETDEV_DECL; |
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| 31 | |
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| 32 | typedef struct _net_drv_tbl { |
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| 33 | int (*n_probe)(device_t); |
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| 34 | int (*n_attach)(device_t); |
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| 35 | int (*n_detach)(device_t); |
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| 36 | void (*n_intr)(void *); |
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| 37 | } net_drv_tbl_t; |
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| 38 | |
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| 39 | static inline netdev_t * |
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| 40 | net_dev_get(struct rtems_bsdnet_ifconfig *config) |
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| 41 | { |
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| 42 | int unitNo; |
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| 43 | char *unitName; |
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| 44 | |
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| 45 | unitNo = rtems_bsdnet_parse_driver_name(config, &unitName); |
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| 46 | if ( unitNo < 0 ) |
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| 47 | return 0; |
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| 48 | |
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| 49 | if ( unitNo <=0 || unitNo > NETDRIVER_SLOTS ) { |
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| 50 | device_printf(dev, "Bad "NETDRIVER" unit number.\n"); |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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| 54 | if ( THEDEVS[unitNo-1].d_unit && THEDEVS[unitNo-1].d_unit != unitNo ) { |
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| 55 | device_printf(dev, "Unit # mismatch !!??\n"); |
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| 56 | return 0; |
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| 57 | } |
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| 58 | |
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| 59 | THEDEVS[unitNo-1].d_unit = unitNo; |
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| 60 | THEDEVS[unitNo-1].d_name = unitName; |
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| 61 | THEDEVS[unitNo-1].d_ifconfig = config; |
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| 62 | |
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| 63 | return &THEDEVS[unitNo - 1]; |
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| 64 | } |
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| 65 | |
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| 66 | /* kludge; that's why softc needs to be first */ |
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| 67 | static inline netdev_t * |
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| 68 | softc_get_device(struct NET_SOFTC *sc) |
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| 69 | { |
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| 70 | return (netdev_t *)sc; |
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| 71 | } |
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| 72 | |
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| 73 | static inline struct NET_SOFTC * |
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| 74 | device_get_softc(netdev_t *dev) |
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| 75 | { return &dev->d_softc; } |
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| 76 | |
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| 77 | static inline int |
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| 78 | device_get_unit(netdev_t *dev) |
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| 79 | { return dev->d_unit; } |
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| 80 | |
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| 81 | static inline char * |
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| 82 | device_get_name(netdev_t *dev) |
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| 83 | { return dev->d_name; } |
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| 84 | |
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| 85 | static inline void |
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| 86 | if_initname(struct ifnet *ifp, char *name, int unit) |
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| 87 | { |
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| 88 | ifp->if_name = name; |
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| 89 | ifp->if_unit = unit; |
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| 90 | } |
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| 91 | |
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| 92 | static inline void |
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| 93 | device_set_desc(netdev_t *dev, char *str) |
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| 94 | { |
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| 95 | dev->d_desc = str; |
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| 96 | } |
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| 97 | |
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| 98 | static inline void |
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| 99 | device_set_desc_copy(netdev_t *dev, char *str) |
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| 100 | { |
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| 101 | dev->d_desc = strdup(str); |
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| 102 | } |
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| 103 | |
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| 104 | |
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| 105 | static inline int |
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| 106 | device_is_attached(netdev_t *dev) |
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| 107 | { |
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| 108 | return dev->d_softc.arpcom.ac_if.if_addrlist && dev->d_softc.arpcom.ac_if.if_init; |
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| 109 | } |
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| 110 | |
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| 111 | #ifdef NETDRIVER_PCI |
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| 112 | #include NETDRIVER_PCI |
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[efb893f] | 113 | #include "pcireg.h" |
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[b7a6d23a] | 114 | |
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| 115 | static inline unsigned |
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| 116 | pci_read_config(device_t dev, unsigned addr, unsigned width) |
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| 117 | { |
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| 118 | rtemscompat_32_t d; |
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| 119 | unsigned short s; |
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| 120 | unsigned char b; |
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| 121 | struct NET_SOFTC *sc = device_get_softc(dev); |
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| 122 | switch (width) { |
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| 123 | case 1: pci_read_config_byte(sc->b, sc->d, sc->f, addr, &b); |
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| 124 | return b; |
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| 125 | case 2: pci_read_config_word(sc->b, sc->d, sc->f, addr, &s); |
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| 126 | return s; |
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| 127 | case 4: pci_read_config_dword(sc->b, sc->d, sc->f, addr, &d); |
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| 128 | return d; |
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| 129 | default: |
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| 130 | break; |
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| 131 | } |
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| 132 | return 0xdeadbeef; |
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| 133 | } |
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| 134 | |
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| 135 | static inline void |
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| 136 | pci_write_config(device_t dev, unsigned addr, unsigned width, unsigned val) |
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| 137 | { |
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| 138 | struct NET_SOFTC *sc = device_get_softc(dev); |
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| 139 | switch (width) { |
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| 140 | case 1: pci_write_config_byte(sc->b, sc->d, sc->f, addr, val); |
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| 141 | return ; |
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| 142 | case 2: pci_write_config_word(sc->b, sc->d, sc->f, addr, val); |
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| 143 | return ; |
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| 144 | case 4: pci_write_config_dword(sc->b, sc->d, sc->f, addr, val); |
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| 145 | return ; |
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| 146 | default: |
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| 147 | break; |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | |
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| 152 | static inline unsigned short |
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| 153 | pci_get_vendor(device_t dev) |
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| 154 | { |
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| 155 | return pci_read_config(dev, PCIR_VENDOR, 2); |
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| 156 | } |
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| 157 | |
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| 158 | static inline unsigned short |
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| 159 | pci_get_device(device_t dev) |
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| 160 | { |
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| 161 | return pci_read_config(dev, PCIR_DEVICE, 2); |
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| 162 | } |
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| 163 | |
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| 164 | static inline unsigned short |
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| 165 | pci_get_subvendor(device_t dev) |
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| 166 | { |
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| 167 | return pci_read_config(dev, PCIR_SUBVEND_0, 2); |
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| 168 | } |
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| 169 | |
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| 170 | static inline unsigned short |
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| 171 | pci_get_subdevice(device_t dev) |
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| 172 | { |
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| 173 | return pci_read_config(dev, PCIR_SUBDEV_0, 2); |
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| 174 | } |
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| 175 | |
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| 176 | |
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| 177 | static inline void |
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| 178 | pci_enable_busmaster(device_t dev) |
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| 179 | { |
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| 180 | pci_write_config( |
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| 181 | dev, |
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| 182 | PCIR_COMMAND, |
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| 183 | 2, |
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| 184 | pci_read_config(dev, PCIR_COMMAND, 2) |
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| 185 | | PCIM_CMD_BUSMASTEREN); |
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| 186 | } |
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| 187 | |
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| 188 | #define mtx_init(a,b,c,d) do {} while(0) |
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| 189 | #define mtx_initialized(ma) (1) |
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| 190 | #define mtx_destroy(ma) do {} while(0) |
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| 191 | #define mtx_lock(a) do {} while(0) |
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| 192 | #define mtx_unlock(a) do {} while(0) |
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| 193 | #define mtx_assert(a,b) do {} while(0) |
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| 194 | |
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| 195 | #define callout_handle_init(x) do {} while (0) |
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| 196 | #define untimeout(a...) do {} while (0) |
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| 197 | |
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| 198 | #if !ISMINVERSION(4,6,99) |
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| 199 | #define pci_bus_count BusCountPCI |
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| 200 | #endif |
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| 201 | |
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| 202 | #endif |
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| 203 | |
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| 204 | /* Ugly hack to allow unloading/reloading the driver core. |
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| 205 | * Needed because rtems' bsdnet release doesn't implement |
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| 206 | * if_detach(). Therefore, we bring the interface down but |
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| 207 | * keep the device record alive... |
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| 208 | */ |
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| 209 | static inline void |
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| 210 | __ether_ifdetach(struct ifnet *ifp) |
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| 211 | { |
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| 212 | ifp->if_flags = 0; |
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| 213 | ifp->if_ioctl = 0; |
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| 214 | ifp->if_start = 0; |
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| 215 | ifp->if_watchdog = 0; |
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| 216 | ifp->if_init = 0; |
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| 217 | } |
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| 218 | |
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| 219 | #endif |
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