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Commit 301fddda authored by Sarah Chin's avatar Sarah Chin Committed by Gerrit Code Review
Browse files

Merge "Add support for RAT-based TCP buffer sizes"

parents b7de2357 0dab2ebb

core/res/res/values/config.xml

+11 −7
Original line number Original line Diff line number Diff line
@@ -2566,23 +2566,27 @@ 
         rat-name:rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max

         rat-name:rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max

         If no value is found for the rat-name in use, the system default will be applied.

         If no value is found for the rat-name in use, the system default will be applied.





         This is deprecated. Please use config_tcp_buffers.

         This is deprecated. Please use config_mobile_tcp_buffers for rat-based TCP buffers sizes or

         config_tcp_buffers for rat-independent TCP buffer sizes.

    -->

    -->

    <string-array name="config_mobile_tcp_buffers">

    <string-array name="config_mobile_tcp_buffers">

    </string-array>

    </string-array>





    <!-- Configure tcp buffer sizes per network type in the form:

         network-type:rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max



         The network-type must be a valid DataConfigNetworkType value. If no value is found for the

         network-type in use, config_tcp_buffers will be used instead.

    -->

    <string-array name="config_network_type_tcp_buffers">

    </string-array>



    <!-- Configure tcp buffer sizes in the form:

    <!-- Configure tcp buffer sizes in the form:

         rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max

         rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max

         If this is configured as an empty string, the system default will be applied.

         If this is configured as an empty string, the system default will be applied.





         For now this config is used by mobile data only. In the future it should be

         For now this config is used by mobile data only. In the future it should be

         used by Wi-Fi as well.

         used by Wi-Fi as well.



         Note that starting from Android 13, the TCP buffer size is fixed after boot up, and should

         never be changed based on carriers or the network types. The value should be configured

         appropriately based on the device's memory and performance. It is recommended to use lower

         values if the device has low memory or doesn't support high-speed network such like LTE,

         NR, or Wifi.

    -->

    -->

    <string name="config_tcp_buffers" translatable="false"></string>

    <string name="config_tcp_buffers" translatable="false"></string>

core/res/res/values/symbols.xml

+1 −0
Original line number Original line Diff line number Diff line
@@ -466,6 +466,7 @@ 
  <java-symbol type="integer" name="config_safe_media_volume_usb_mB" />

  <java-symbol type="integer" name="config_safe_media_volume_usb_mB" />

  <java-symbol type="integer" name="config_mobile_mtu" />

  <java-symbol type="integer" name="config_mobile_mtu" />

  <java-symbol type="array"   name="config_mobile_tcp_buffers" />

  <java-symbol type="array"   name="config_mobile_tcp_buffers" />

  <java-symbol type="array"   name="config_network_type_tcp_buffers" />

  <java-symbol type="string"  name="config_tcp_buffers" />

  <java-symbol type="string"  name="config_tcp_buffers" />

  <java-symbol type="integer" name="config_volte_replacement_rat"/>

  <java-symbol type="integer" name="config_volte_replacement_rat"/>

  <java-symbol type="integer" name="config_valid_wappush_index" />

  <java-symbol type="integer" name="config_valid_wappush_index" />