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esp_wifi/lwip: support TCP window scale

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Support enable/disable TCP Window scale feature via menuconfig
This commit is contained in:
liu zhifu 2019-05-30 09:41:05 +08:00
parent e681f449bc
commit 6d4adb46f3
4 changed files with 35 additions and 4 deletions
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3
components/esp32/Kconfig
View File

@ -1006,7 +1006,8 @@ menu Wi-Fi
config ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM
int "Max number of WiFi dynamic RX buffers"
range 0 128
range 0 128 if !LWIP_WND_SCALE
range 0 1024 if LWIP_WND_SCALE
default 32
help
Set the number of WiFi dynamic RX buffers, 0 means unlimited RX buffers will be allocated

2
components/esp32/lib

@ -1 +1 @@
Subproject commit eb27c814d5d178698bb45c6ad675c0dce9427fa1
Subproject commit b8b96f985aee155682a2907c6c0f3b693bb43785

21
components/lwip/Kconfig
View File

@ -148,7 +148,8 @@ menu "LWIP"
config TCPIP_RECVMBOX_SIZE
int "TCPIP task receive mail box size"
default 32
range 6 64
range 6 64 if !LWIP_WND_SCALE
range 6 1024 if LWIP_WND_SCALE
help
Set TCPIP task receive mail box size. Generally bigger value means higher throughput
but more memory. The value should be bigger than UDP/TCP mail box size.
@ -339,7 +340,8 @@ menu "LWIP"
config TCP_RECVMBOX_SIZE
int "Default TCP receive mail box size"
default 6
range 6 64
range 6 64 if !LWIP_WND_SCALE
range 6 1024 if LWIP_WND_SCALE
help
Set TCP receive mail box size. Generally bigger value means higher throughput
but more memory. The recommended value is: TCP_WND_DEFAULT/TCP_MSS + 2, e.g. if
@ -399,6 +401,21 @@ menu "LWIP"
endchoice
config LWIP_WND_SCALE
bool "Support TCP window scale"
depends on WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST
default n
help
Enable this feature to support TCP window scaling.
config TCP_RCV_SCALE
int "Set TCP receiving window scaling factor"
depends on LWIP_WND_SCALE
range 0 14
default 0
help
Enable this feature to support TCP window scaling.
endmenu # TCP
menu "UDP"

13
components/lwip/port/esp32/include/lwipopts.h
View File

@ -363,6 +363,19 @@
#error "One of CONFIG_TCP_OVERSIZE_xxx options should be set by sdkconfig"
#endif
/**
* LWIP_WND_SCALE and TCP_RCV_SCALE:
* Set LWIP_WND_SCALE to 1 to enable window scaling.
* Set TCP_RCV_SCALE to the desired scaling factor (shift count in the
* range of [0..14]).
* When LWIP_WND_SCALE is enabled but TCP_RCV_SCALE is 0, we can use a large
* send window while having a small receive window only.
*/
#ifdef CONFIG_LWIP_WND_SCALE
#define LWIP_WND_SCALE 1
#define TCP_RCV_SCALE CONFIG_TCP_RCV_SCALE
#endif
/*
----------------------------------
---------- Pbuf options ----------