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lwip: Allow config TCP_MAXRTX & TCP_SYNMAXRTX in menuconfig

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This commit is contained in:
Wu Jian Gang 2017-01-17 17:44:25 +08:00
parent a14bef8f8a
commit 3c8235d40d
2 changed files with 25 additions and 11 deletions
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32
components/lwip/Kconfig
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@ -47,27 +47,41 @@ config LWIP_SO_RCVBUF
Enabling this option allows checking for available data on a netconn.
config LWIP_DHCP_MAX_NTP_SERVERS
int "Maximum number of NTP servers"
default 1
range 1 16
help
Set maxumum number of NTP servers used by LwIP SNTP module.
First argument of sntp_setserver/sntp_setservername functions
is limited to this value.
int "Maximum number of NTP servers"
default 1
range 1 16
help
Set maximum number of NTP servers used by LwIP SNTP module.
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
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
help
Enabling this option allows reassemblying incoming fragmented IP packets.
config TCP_MAXRTX
int "Maximum number of retransmissions of data segments"
default 12
range 3 12
help
Set maximum number of retransmissions of data segments.
config TCP_SYNMAXRTX
int "Maximum number of retransmissions of SYN segments"
default 6
range 3 12
help
Set maximum number of retransmissions of SYN segments.
endmenu

4
components/lwip/include/lwip/port/lwipopts.h
View file

@ -288,12 +288,12 @@
/**
* TCP_MAXRTX: Maximum number of retransmissions of data segments.
*/
#define TCP_MAXRTX 12 //(*(volatile uint32*)0x600011E8)
#define TCP_MAXRTX CONFIG_TCP_MAXRTX
/**
* TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
*/
#define TCP_SYNMAXRTX 6 //(*(volatile uint32*)0x600011E4)
#define TCP_SYNMAXRTX CONFIG_TCP_SYNMAXRTX
/**
* TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.