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Merge branch 'bugfix/add_so_linger_to_menuconfig_for_3.3' into 'release/v3.3'

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lw-ip:add LINGER to menuconfig(backport 3.3)

See merge request espressif/esp-idf!9062
This commit is contained in:
Jiang Jiang Jian 2020-06-05 13:54:22 +08:00
commit b4c89c6607
2 changed files with 19 additions and 0 deletions
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14
components/lwip/Kconfig
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@ -65,6 +65,20 @@ menu "LWIP"
will be redirected to lwip_select(), therefore, select can be used will be redirected to lwip_select(), therefore, select can be used
for sockets only. for sockets only.
config LWIP_SO_LINGER
bool "Enable SO_LINGER processing"
default n
help
Enabling this option allows SO_LINGER processing.
l_onoff = 1,l_linger can set the timeout.
If l_linger=0, When a connection is closed, TCP will terminate the connection.
This means that TCP will discard any data packets stored in the socket send buffer
and send an RST to the peer.
If l_linger!=0,Then closesocket() calls to block the process until
the remaining data packets has been sent or timed out.
config LWIP_SO_REUSE config LWIP_SO_REUSE
bool "Enable SO_REUSEADDR option" bool "Enable SO_REUSEADDR option"
default y default y

5
components/lwip/port/esp32/include/lwipopts.h
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@ -545,6 +545,11 @@
*/ */
#define LWIP_TCP_KEEPALIVE 1 #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. * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
*/ */