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feature for add tcp sack

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This commit is contained in:
xueyunfei 2020-01-08 17:05:57 +08:00
parent da877bcc8f
commit d8d2991692
2 changed files with 11 additions and 0 deletions
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6
components/lwip/Kconfig
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@ -400,6 +400,12 @@ menu "LWIP"
Disable this option to save some RAM during TCP sessions, at the expense
of increased retransmissions if segments arrive out of order.
config LWIP_TCP_SACK_OUT
bool "Support sending selective acknowledgements"
default n
help
TCP will support sending selective acknowledgements (SACKs).
config LWIP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES
bool "Keep TCP connections when IP changed"
default n

5
components/lwip/port/esp32/include/lwipopts.h
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@ -311,6 +311,11 @@
*/
#define TCP_QUEUE_OOSEQ CONFIG_LWIP_TCP_QUEUE_OOSEQ
/**
* LWIP_TCP_SACK_OUT==1: TCP will support sending selective acknowledgements (SACKs).
*/
#define LWIP_TCP_SACK_OUT CONFIG_LWIP_TCP_SACK_OUT
/**
* ESP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES==1: Keep TCP connection when IP changed
* scenario happens: 192.168.0.2 -> 0.0.0.0 -> 192.168.0.2 or 192.168.0.2 -> 0.0.0.0