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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15 | typedef struct device { |
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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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113 | #include "pcireg.h" |
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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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