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add LINGER to menuconfig

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This commit is contained in:
xueyunfei 2020-05-14 15:18:39 +08:00
parent 94917184be
commit 8688bd0593
2 changed files with 16 additions and 0 deletions
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11
components/lwip/Kconfig
View file

@ -63,6 +63,17 @@ menu "LWIP"
will be redirected to lwip_select(), therefore, select can be used
for sockets only.
config LWIP_SO_LINGER
bool "Enable SO_LINGER processing"
default n
help
Enabling this option allows SO_LINGER processing.
When close socket, the TCP connection will be immediately disconnected.
The unsent data in the send buffer will be discarded and an RST message
will be sent to the other party. It is worth noting that because of this way,
the abnormal handshake in 4 ends the TCP connection, the TCP connection will
not enter the 'TIME_WAIT' state.
config LWIP_SO_REUSE
bool "Enable SO_REUSEADDR option"
default y

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

@ -538,6 +538,11 @@
*/
#define LWIP_TCP_KEEPALIVE 1
/**
* LWIP_SO_LINGER==1: Enable SO_LINGER processing.
*/
#define LWIP_SO_LINGER CONFIG_LWIP_SO_LINGER
/**
* LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
*/