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13 An I2C Address Translator (ATR) is a device with an I2C slave parent21 An ATR looks similar to an i2c-mux except:26 The ATR functionality can be provided by a chip with many other features.27 The kernel i2c-atr provides a helper to implement an ATR within a driver.29 The ATR creates a new I2C "child" adapter on each child bus. Adding33 ATR maintains a table of currently assigned alias and uses it to modify43 | CPU |--A--| ATR |51 each other. The ATR receives the transactions initiated on bus A and69 - ATR driver finds slave X is on bus B and has alias 0x20, rewrites72 - ATR chip detects transaction on address 0x20, finds it in table,[all …]
80 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA82 E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms89 C: #Ifs= 1 Cfg#= 1 Atr=60 MxPwr= 0mA91 E: Ad=85(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms92 E: Ad=04(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms93 E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=128ms94 C:* #Ifs= 2 Cfg#= 2 Atr=60 MxPwr= 0mA96 E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=128ms98 E: Ad=85(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms99 E: Ad=04(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
205 C:* #Ifs= 2 Cfg#= 2 Atr=c0 MxPwr= 2mA207 E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=32ms209 E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms210 E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms237 C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA239 E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms240 E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
4 $id: http://devicetree.org/schemas/i2c/i2c-atr.yaml#13 An I2C Address Translator (ATR) is a device with an I2C slave parent
143 C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA145 E: Ad=81(I) Atr=03(Int.) MxPS= 32 Ivl= 10ms146 E: Ad=02(O) Atr=03(Int.) MxPS= 32 Ivl= 10ms155 C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA157 E: Ad=82(I) Atr=03(Int.) MxPS= 32 Ivl=4ms158 E: Ad=02(O) Atr=03(Int.) MxPS= 32 Ivl=4ms
167 Application Targeted Routing (ATR) Perfect Filters169 ATR is enabled by default when the kernel is in multiple transmit queue mode.170 An ATR Intel Ethernet Flow Director filter rule is added when a TCP-IP flow172 Director rule is added from ethtool (Sideband filter), ATR is turned off by the173 driver. To re-enable ATR, the sideband can be disabled with the ethtool -K178 If sideband is re-enabled after ATR is re-enabled, ATR remains enabled until a179 TCP-IP flow is added. When all TCP-IP sideband rules are deleted, ATR is182 Packets that match the ATR rules are counted in fdir_atr_match stats in183 ethtool, which also can be used to verify whether ATR rules still exist.
870 C:* #Ifs=dd Cfg#=dd Atr=xx MPwr=dddmA921 E: Ad=xx(s) Atr=xx(ssss) MxPS=dddd Ivl=dddss980 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA982 E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms987 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA989 E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms994 C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA996 E: Ad=81(I) Atr=03(Int.) MxPS= 3 Ivl= 10ms1003 C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA1005 E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl= 16ms[all …]
17 - $ref: /schemas/i2c/i2c-atr.yaml#