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| 1 | +# SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | # |
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2 | 3 | # PPP network device configuration |
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3 | 4 | # |
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.. | .. |
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5 | 6 | config PPP |
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6 | 7 | tristate "PPP (point-to-point protocol) support" |
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7 | 8 | select SLHC |
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8 | | - ---help--- |
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| 9 | + help |
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9 | 10 | PPP (Point to Point Protocol) is a newer and better SLIP. It serves |
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10 | 11 | the same purpose: sending Internet traffic over telephone (and other |
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11 | 12 | serial) lines. Ask your access provider if they support it, because |
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.. | .. |
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37 | 38 | config PPP_BSDCOMP |
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38 | 39 | tristate "PPP BSD-Compress compression" |
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39 | 40 | depends on PPP |
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40 | | - ---help--- |
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| 41 | + help |
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41 | 42 | Support for the BSD-Compress compression method for PPP, which uses |
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42 | 43 | the LZW compression method to compress each PPP packet before it is |
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43 | 44 | sent over the wire. The machine at the other end of the PPP link |
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.. | .. |
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58 | 59 | depends on PPP |
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59 | 60 | select ZLIB_INFLATE |
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60 | 61 | select ZLIB_DEFLATE |
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61 | | - ---help--- |
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| 62 | + help |
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62 | 63 | Support for the Deflate compression method for PPP, which uses the |
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63 | 64 | Deflate algorithm (the same algorithm that gzip uses) to compress |
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64 | 65 | each PPP packet before it is sent over the wire. The machine at the |
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.. | .. |
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71 | 72 | config PPP_FILTER |
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72 | 73 | bool "PPP filtering" |
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73 | 74 | depends on PPP |
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74 | | - ---help--- |
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| 75 | + help |
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75 | 76 | Say Y here if you want to be able to filter the packets passing over |
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76 | 77 | PPP interfaces. This allows you to control which packets count as |
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77 | 78 | activity (i.e. which packets will reset the idle timer or bring up |
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.. | .. |
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86 | 87 | depends on PPP |
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87 | 88 | select CRYPTO |
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88 | 89 | select CRYPTO_SHA1 |
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89 | | - select CRYPTO_ARC4 |
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90 | | - select CRYPTO_ECB |
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91 | | - ---help--- |
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| 90 | + select CRYPTO_LIB_ARC4 |
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| 91 | + help |
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92 | 92 | Support for the MPPE Encryption protocol, as employed by the |
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93 | 93 | Microsoft Point-to-Point Tunneling Protocol. |
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94 | 94 | |
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.. | .. |
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98 | 98 | config PPP_MULTILINK |
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99 | 99 | bool "PPP multilink support" |
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100 | 100 | depends on PPP |
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101 | | - ---help--- |
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| 101 | + help |
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102 | 102 | PPP multilink is a protocol (defined in RFC 1990) which allows you |
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103 | 103 | to combine several (logical or physical) lines into one logical PPP |
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104 | 104 | connection, so that you can utilize your full bandwidth. |
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.. | .. |
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111 | 111 | config PPPOATM |
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112 | 112 | tristate "PPP over ATM" |
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113 | 113 | depends on ATM && PPP |
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114 | | - ---help--- |
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| 114 | + help |
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115 | 115 | Support PPP (Point to Point Protocol) encapsulated in ATM frames. |
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116 | 116 | This implementation does not yet comply with section 8 of RFC2364, |
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117 | 117 | which can lead to bad results if the ATM peer loses state and |
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.. | .. |
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120 | 120 | config PPPOE |
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121 | 121 | tristate "PPP over Ethernet" |
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122 | 122 | depends on PPP |
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123 | | - ---help--- |
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| 123 | + help |
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124 | 124 | Support for PPP over Ethernet. |
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125 | 125 | |
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126 | 126 | This driver requires the latest version of pppd from the CVS |
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.. | .. |
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132 | 132 | config PPTP |
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133 | 133 | tristate "PPP over IPv4 (PPTP)" |
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134 | 134 | depends on PPP && NET_IPGRE_DEMUX |
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135 | | - ---help--- |
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| 135 | + help |
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136 | 136 | Support for PPP over IPv4.(Point-to-Point Tunneling Protocol) |
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137 | 137 | |
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138 | 138 | This driver requires pppd plugin to work in client mode or |
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.. | .. |
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143 | 143 | config PPPOL2TP |
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144 | 144 | tristate "PPP over L2TP" |
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145 | 145 | depends on L2TP && PPP |
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146 | | - ---help--- |
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| 146 | + help |
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147 | 147 | Support for PPP-over-L2TP socket family. L2TP is a protocol |
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148 | 148 | used by ISPs and enterprises to tunnel PPP traffic over UDP |
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149 | 149 | tunnels. L2TP is replacing PPTP for VPN uses. |
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.. | .. |
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153 | 153 | tristate "PPP support for async serial ports" |
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154 | 154 | depends on PPP |
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155 | 155 | select CRC_CCITT |
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156 | | - ---help--- |
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| 156 | + help |
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157 | 157 | Say Y (or M) here if you want to be able to use PPP over standard |
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158 | 158 | asynchronous serial ports, such as COM1 or COM2 on a PC. If you use |
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159 | 159 | a modem (not a synchronous or ISDN modem) to contact your ISP, you |
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.. | .. |
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166 | 166 | config PPP_SYNC_TTY |
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167 | 167 | tristate "PPP support for sync tty ports" |
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168 | 168 | depends on PPP |
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169 | | - ---help--- |
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| 169 | + help |
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170 | 170 | Say Y (or M) here if you want to be able to use PPP over synchronous |
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171 | 171 | (HDLC) tty devices, such as the SyncLink adapter. These devices |
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172 | 172 | are often used for high-speed leased lines like T1/E1. |
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