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Merge branch 'feature/add_ip_frag_option' into 'master'

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lwip: add ip frag and reassembly option in menuconfig

add ip frag and reassembly option in menuconfig

See merge request !348
This commit is contained in:
Wu Jian Gang 2016-12-29 11:26:06 +08:00
commit 0b79a108b8
2 changed files with 15 additions and 2 deletions
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13
components/lwip/Kconfig
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@ -49,6 +49,19 @@ config LWIP_DHCP_MAX_NTP_SERVERS
First argument of sntp_setserver/sntp_setservername functions
is limited to this value.
config LWIP_IP_FRAG
bool "Enable fragment outgoing IP packets"
default 0
help
Enabling this option allows fragmenting outgoing IP packets if their size
exceeds MTU.
config LWIP_IP_REASSEMBLY
bool "Enable reassembly incoming fragmented IP packets"
default 0
help
Enabling this option allows reassemblying incoming fragmented IP packets.
endmenu

4
components/lwip/include/lwip/port/lwipopts.h
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@ -154,14 +154,14 @@
* this option does not affect outgoing packet sizes, which can be controlled
* via IP_FRAG.
*/
#define IP_REASSEMBLY 0
#define IP_REASSEMBLY CONFIG_LWIP_IP_REASSEMBLY
/**
* IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
* that this option does not affect incoming packet sizes, which can be
* controlled via IP_REASSEMBLY.
*/
#define IP_FRAG 0
#define IP_FRAG CONFIG_LWIP_IP_FRAG
/**
* IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)