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mbed-os/features/lwipstack/mbed_lib.json

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{
"name": "lwip",
"config": {
"ipv4-enabled": {
"help": "Enable IPv4",
"value": true
},
"ipv6-enabled": {
"help": "Enable IPv6",
"value": false
},
"ip-ver-pref": {
"help": "On dual-stack system the preferred stack: 4 for IPv4 and 6 for IPv6",
"value": 4
},
"addr-timeout": {
"help": "On dual-stack system how long to additionally wait for other stack's address in seconds",
"value": 5
},
"addr-timeout-mode": {
"help": "Address timeout mode; true: wait both stack's addresses; false: wait for preferred stack's address",
"value": true
},
"dhcp-timeout": {
"help": "DHCP timeout value",
"value": 60
},
"ethernet-enabled": {
"help": "Enable support for Ethernet interfaces",
"value": true
},
"l3ip-enabled": {
"help": "Enable support for L3IP interfaces",
"value": false
},
"debug-enabled": {
"help": "Enable debug trace support",
"value": false
},
"ppp-enabled": {
"help": "Enable support for PPP interfaces (obsolete: use netsocket/ppp configuration instead)",
"value": false
},
"ppp-ipv4-enabled": {
"help": "Enable support for ipv4 PPP interface (obsolete: use netsocket/ppp configuration instead)",
"value": false
},
"ppp-ipv6-enabled": {
"help": "Enable support for ipv6 PPP interface (obsolete: use netsocket/ppp configuration instead)",
"value": false
},
"use-mbed-trace": {
"help": "Use mbed trace for debug, rather than printf",
"value": false
},
"enable-ppp-trace": {
"help": "Enable trace support for PPP interfaces (obsolete: use netsocket/ppp configuration instead)",
"value": false
},
"socket-max": {
"help": "Maximum number of open TCPServer, TCPSocket and UDPSocket instances allowed, including one used internally for DNS. Each requires 236 bytes of pre-allocated RAM",
"value": 4
},
"tcp-enabled": {
"help": "Enable TCP",
"value": true
},
"tcp-server-max": {
"help": "Maximum number of open TCPServer instances allowed. Each requires 72 bytes of pre-allocated RAM",
"value": 4
},
"tcp-socket-max": {
"help": "Maximum number of open TCPSocket instances allowed. Each requires 196 bytes of pre-allocated RAM",
"value": 4
},
"udp-socket-max": {
"help": "Maximum number of open UDPSocket instances allowed, including one used internally for DNS. Each requires 84 bytes of pre-allocated RAM",
"value": 4
},
"memp-num-tcp-seg": {
"help": "Number of simultaneously queued TCP segments, see LWIP opt.h for more information. Current default is 16.",
"value": 16
},
"memp-num-tcpip-msg-inpkt": {
"help": "Number of simultaneously queued TCP messages that are received",
"value": 8
},
"tcp-mss": {
"help": "TCP Maximum segment size, see LWIP opt.h for more information. Current default is 536.",
"value": 536
},
"tcpip-mbox-size": {
"help": "TCPIP mailbox size",
"value": 8
},
"default-tcp-recvmbox-size": {
"help": "Default TCPIP receive mailbox size",
"value": 8
},
"mbox-size": {
"help": "mailbox size",
"value": 8
},
"tcp-snd-buf": {
"help": "TCP sender buffer space (bytes), see LWIP's opt.h for more information. Current default is (2 * TCP_MSS).",
"value": "(2 * TCP_MSS)"
},
"tcp-wnd": {
"help": "TCP sender buffer space (bytes), see LWIP's opt.h for more information. Current default is (4 * TCP_MSS).",
"value": "(4 * TCP_MSS)"
},
"tcp-maxrtx": {
"help": "Maximum number of retransmissions of data segments, see LWIP's opt.h for more information. Current default is 6.",
"value": 6
},
"tcp-synmaxrtx": {
"help": "Maximum number of retransmissions of SYN segments, see LWIP's opt.h for more information. Current default is 6.",
"value": 6
},
"tcp-close-timeout": {
"help": "Maximum timeout (ms) for TCP close handshaking timeout",
"value": 1000
},
"tcpip-thread-priority": {
"help": "Priority of lwip TCPIP thread",
"value": "osPriorityNormal"
},
"pbuf-pool-size": {
"help": "Number of pbufs in pool - usually used for received packets, so this determines how much data can be buffered between reception and the application reading, see LWIP's opt.h for more information. If a driver uses PBUF_RAM for reception, less pool may be needed. Current default is 5.",
"value": 5
},
"pbuf-pool-bufsize": {
"help": "Size of pbufs in pool, see LWIP's opt.h for more information.",
"value": null
},
"mem-size": {
"help": "Size of heap (bytes) - used for outgoing packets, and also used by some drivers for reception, see LWIP's opt.h for more information. Current default is 1600.",
"value": 1600
},
"tcpip-thread-stacksize": {
"help": "Stack size for lwip TCPIP thread",
"value": 1200
},
"default-thread-stacksize": {
"help": "Stack size for lwip system threads",
"value": 512
},
"ppp-thread-stacksize": {
"help": "Thread stack size for PPP (obsolete: use netsocket/ppp configuration instead)",
"value": 768
},
"num-pbuf": {
"help": "Number of non-pool pbufs, each needs 92 bytes of RAM, see LWIP's opt.h for more information. Current default is 8.",
"value": 8
},
"num-netbuf": {
"help": "Number of netbufs, each netbuf requires 64 bytes of RAM, see LWIP's opt.h for more information. Current default is 8.",
"value": 8
},
"raw-socket-enabled": {
"help": "Enable lwip raw sockets, required for Mbed OS ICMPSocket",
"value": false
}
},
"target_overrides": {
"REALTEK_RTL8195AM": {
"tcpip-thread-stacksize": 1600,
"mem-size": 12800
},
"UBLOX_EVK_ODIN_W2": {
"pbuf-pool-size" : 10
},
"STM": {
"mem-size": 2310
},
"Freescale": {
"mem-size": 33270
},
"LPC1768": {
"mem-size": 16362
},
"LPC4088": {
"mem-size": 15360
},
"LPC4088_DM": {
"mem-size": 15360
},
"UBLOX_C027": {
"mem-size": 16362
},
"ARCH_PRO": {
"mem-size": 16362
},
"LPC546XX": {
"mem-size": 36496
},
"EFM32GG11_STK3701": {
"mem-size": 36560
},
"RZ_A1_EMAC": {
"tcpip-thread-stacksize": 1328,
"default-thread-stacksize": 640,
"memp-num-tcp-seg": 32,
"tcp-mss": 1440,
"tcp-snd-buf": "(8 * TCP_MSS)",
"tcp-wnd": "(TCP_MSS * 8)",
"pbuf-pool-size": 16,
"mem-size": 51200
},
"MCU_PSOC6": {
"tcpip-thread-stacksize": 8192,
"default-thread-stacksize": 640,
"memp-num-tcp-seg": 24,
"tcp-socket-max": 10,
"udp-socket-max":10,
"socket-max":18,
"tcp-mss": 1540,
"tcp-snd-buf": "(6 * TCP_MSS)",
"tcp-wnd": "(TCP_MSS * 6)",
"pbuf-pool-size": 14,
"mem-size": 65536
},
"MIMXRT1050_EVK": {
"mem-size": 36560
},
"FVP_MPS2_M3": {
"mem-size": 36560
},
"MTS_DRAGONFLY_F411RE": {
"tcpip-thread-stacksize": 1600
}
}
}
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