esp32/lwip: fix wpa2-enterprise vulnerability and support lwip window scale
1. Fix WiFi wpa2-enterprise vulnerability bug 2. Support LWIP window scale
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4 changed files with 35 additions and 4 deletions
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@ -908,7 +908,8 @@ config ESP32_WIFI_STATIC_RX_BUFFER_NUM
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config ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM
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int "Max number of WiFi dynamic RX buffers"
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range 0 128
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range 0 128 if !LWIP_WND_SCALE
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range 0 1024 if LWIP_WND_SCALE
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default 32
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help
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Set the number of WiFi dynamic RX buffers, 0 means unlimited RX buffers will be allocated
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@ -1 +1 @@
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Subproject commit d4fc472cb423e18067623ffbf572e789429fcd57
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Subproject commit 0c69df05ab77d519eaeba9f3c86113fde2d0dc82
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@ -148,7 +148,8 @@ config GARP_TMR_INTERVAL
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config TCPIP_RECVMBOX_SIZE
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int "TCPIP task receive mail box size"
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default 32
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range 6 64
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range 6 64 if !LWIP_WND_SCALE
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range 6 1024 if LWIP_WND_SCALE
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help
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Set TCPIP task receive mail box size. Generally bigger value means higher throughput
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but more memory. The value should be bigger than UDP/TCP mail box size.
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@ -331,7 +332,8 @@ config TCP_WND_DEFAULT
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config TCP_RECVMBOX_SIZE
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int "Default TCP receive mail box size"
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default 6
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range 6 64
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range 6 64 if !LWIP_WND_SCALE
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range 6 1024 if LWIP_WND_SCALE
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help
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Set TCP receive mail box size. Generally bigger value means higher throughput
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but more memory. The recommended value is: TCP_WND_DEFAULT/TCP_MSS + 2, e.g. if
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@ -391,6 +393,21 @@ config TCP_OVERSIZE_DISABLE
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endchoice
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config LWIP_WND_SCALE
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bool "Support TCP window scale"
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depends on WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST
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default n
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help
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Enable this feature to support TCP window scaling.
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config TCP_RCV_SCALE
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int "Set TCP receiving window scaling factor"
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depends on LWIP_WND_SCALE
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range 0 14
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default 0
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help
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Enable this feature to support TCP window scaling.
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endmenu # TCP
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menu "UDP"
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@ -348,6 +348,19 @@
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#error "One of CONFIG_TCP_OVERSIZE_xxx options should be set by sdkconfig"
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#endif
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/**
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* LWIP_WND_SCALE and TCP_RCV_SCALE:
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* Set LWIP_WND_SCALE to 1 to enable window scaling.
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* Set TCP_RCV_SCALE to the desired scaling factor (shift count in the
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* range of [0..14]).
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* When LWIP_WND_SCALE is enabled but TCP_RCV_SCALE is 0, we can use a large
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* send window while having a small receive window only.
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*/
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#ifdef CONFIG_LWIP_WND_SCALE
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#define LWIP_WND_SCALE 1
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#define TCP_RCV_SCALE CONFIG_TCP_RCV_SCALE
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#endif
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/*
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----------------------------------
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---------- Pbuf options ----------
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