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lwip: Expose number of active socket limits in menuconfig

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Angus Gratton 2017-10-20 14:51:17 +08:00 committed by Angus Gratton
parent 6e1453e864
commit 4ce68f6163
2 changed files with 57 additions and 7 deletions
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54
components/lwip/Kconfig
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@ -97,11 +97,11 @@ config LWIP_ETHARP_TRUST_IP_MAC
Also notice that this slows down input processing of every IP packet!
config TCPIP_RECVMBOX_SIZE
int "TCPIP receive mail box size"
int "TCPIP task receive mail box size"
default 32
range 6 64
help
Set TCPIP receive mail box size. Generally bigger value means higher throughput
Set TCPIP task receive mail box size. Generally bigger value means higher throughput
but more memory. The value should be bigger than UDP/TCP mail box size.
config LWIP_DHCP_DOES_ARP_CHECK
@ -172,6 +172,33 @@ config LWIP_LOOPBACK_MAX_PBUFS
menu "TCP"
config LWIP_MAX_ACTIVE_TCP
int "Maximum active TCP Connections"
range 1 1024
default 16
help
The maximum number of simultaneously active TCP
connections. The practical maximum limit is
determined by available heap memory at runtime.
Changing this value by itself does not substantially
change the memory usage of LWIP, except for preventing
new TCP connections after the limit is reached.
config LWIP_MAX_LISTENING_TCP
int "Maximum listening TCP Connections"
range 1 1024
default 16
help
The maximum number of simultaneously listening TCP
connections. The practical maximum limit is
determined by available heap memory at runtime.
Changing this value by itself does not substantially
change the memory usage of LWIP, except for preventing
new listening TCP connections after the limit is reached.
config TCP_MAXRTX
int "Maximum number of retransmissions of data segments"
default 12
@ -287,6 +314,16 @@ endmenu # TCP
menu "UDP"
config LWIP_MAX_UDP_PCBS
int "Maximum active UDP control blocks"
range 1 1024
default 16
help
The maximum number of active UDP "connections" (ie
UDP sockets sending/receiving data).
The practical maximum limit is determined by available
heap memory at runtime.
config UDP_RECVMBOX_SIZE
int "Default UDP receive mail box size"
default 6
@ -372,4 +409,17 @@ config LWIP_BROADCAST_PING
endmenu # ICMP
menu "LWIP RAW API"
config LWIP_MAX_RAW_PCBS
int "Maximum LWIP RAW PCBs"
range 1 1024
default 16
help
The maximum number of simultaneously active LWIP
RAW protocol control blocks. The practical maximum
limit is determined by available heap memory at runtime.
endmenu # LWIP RAW API
endmenu

10
components/lwip/include/lwip/port/lwipopts.h
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@ -112,26 +112,26 @@
* MEMP_NUM_RAW_PCB: Number of raw connection PCBs
* (requires the LWIP_RAW option)
*/
#define MEMP_NUM_RAW_PCB 16
#define MEMP_NUM_RAW_PCB CONFIG_LWIP_MAX_RAW_PCBS
/**
* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
* MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB 16
#define MEMP_NUM_TCP_PCB CONFIG_LWIP_MAX_ACTIVE_TCP
/**
* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB_LISTEN 16
#define MEMP_NUM_TCP_PCB_LISTEN CONFIG_LWIP_MAX_LISTENING_TCP
/**
* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
* per active UDP "connection".
* (requires the LWIP_UDP option)
*/
#define MEMP_NUM_UDP_PCB 16
#define MEMP_NUM_UDP_PCB CONFIG_LWIP_MAX_UDP_PCBS
/*
--------------------------------