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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 Disable this option to save some RAM during TCP sessions, at the expense
of increased retransmissions if segments arrive out of order. 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 config LWIP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES
bool "Keep TCP connections when IP changed" bool "Keep TCP connections when IP changed"
default n default n

5
components/lwip/port/esp32/include/lwipopts.h
View file

@ -311,6 +311,11 @@
*/ */
#define TCP_QUEUE_OOSEQ CONFIG_LWIP_TCP_QUEUE_OOSEQ #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 * 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 * scenario happens: 192.168.0.2 -> 0.0.0.0 -> 192.168.0.2 or 192.168.0.2 -> 0.0.0.0