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Merge branch 'bugfix/change_default_value_for_ip_ttl_4.4' into 'release/v4.4'

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Fix(lwip):bugfix for change default value for ip ttl 4.4

See merge request espressif/esp-idf!28398
This commit is contained in:
Jiang Jiang Jian
2024-01-18 11:11:02 +08:00
parent 90f913734b d54c947628
commit 2acfd88a47
2 changed files with 12 additions and 0 deletions
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7
components/lwip/Kconfig
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@ -168,6 +168,13 @@ menu "LWIP"
Enabling this option allows checking for the destination address Enabling this option allows checking for the destination address
of a received IPv4 Packet. of a received IPv4 Packet.
config LWIP_IP_DEFAULT_TTL
int "The value for Time-To-Live used by transport layers"
range 1 255
default 64
help
Set value for Time-To-Live used by transport layers.
config LWIP_IP4_FRAG config LWIP_IP4_FRAG
bool "Enable fragment outgoing IP4 packets" bool "Enable fragment outgoing IP4 packets"
default y default y

5
components/lwip/port/esp32/include/lwipopts.h
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@ -210,6 +210,11 @@ extern "C"
*/ */
#define IP_REASS_MAX_PBUFS 10 #define IP_REASS_MAX_PBUFS 10
/**
* IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
*/
#define IP_DEFAULT_TTL CONFIG_LWIP_IP_DEFAULT_TTL
/** /**
* IP_FORWARD==1: Enables the ability to forward IP packets across network * IP_FORWARD==1: Enables the ability to forward IP packets across network
* interfaces. If you are going to run lwIP on a device with only one network * interfaces. If you are going to run lwIP on a device with only one network