Remove deprecatd LwIP eth drivers

pull/7287/head
Seppo Takalo 2018-06-21 10:28:50 +03:00
parent 443e37b00c
commit adce2d9172
6 changed files with 0 additions and 782 deletions

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This directory contains lwIP drivers that are no longer built. Any drivers
remaining here must be convered to use the EMAC interface, and moved to
features/netsocket/emac-drivers.

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/* Copyright (c) 2017-2018 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LWIPOPTS_CONF_H
#define LWIPOPTS_CONF_H
#define LWIP_TRANSPORT_ETHERNET 1
/* The IEEE 802.3ac standard says the maximum Ethernet frame */
/* size is 1522 bytes to accommodate the four-byte VLAN tag. */
#define ETH_MAX_FLEN 1522u /* recommended size for a VLAN frame */
/*
* Maximum Transfer Unit
* The IEEE 802.3 specification limits the data portion of the 802.3 frame
* to a minimum of 46 and a maximum of 1522 bytes, this is on L2 level.
*/
#define ETH_L2_HEADER_LEN 22u
#define ETH_MAX_PAYLOAD_LEN (ETH_MAX_FLEN - ETH_L2_HEADER_LEN)
/*
* Set this value to 2 to ensure that payload address of packet buffers is
* aligned on a 32 bits boundary.
* The padding is removed before passing the packet to the ethernet driver,
* hence defining this value to 2 will not prevent alignment issues inside the
* ethernet driver.
*/
#define ETH_PAD_SIZE 0
#endif /* LWIPOPTS_CONF_H */

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/* mbed Microcontroller Library
* Copyright (c) 2017-2018 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "ethernet_api.h"
#include "eth_arch.h"
#include "lwip/def.h"
#include "lwip/ethip6.h"
#include "lwip/igmp.h"
#include "lwip/mem.h"
#include "lwip/mld6.h"
#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/snmp.h"
#include "lwip/stats.h"
#include "lwip/sys.h"
#include "lwip/tcpip.h"
#include "mbed_interface.h"
#include "mbed_wait_api.h"
#include "netif/etharp.h"
#include "netif/ppp/pppoe.h"
#include "smsc9220_eth.h"
#include "sys_arch.h"
/**
* @file mps2_emac.c
*
* @brief Connects the lwIP stack to the SMSC9220 Ethernet controller driver,
* by implementing the low-level Ethernet interface layer of lwIP,
* according to the skeleton file:
* \mbed-os\features\FEATURE_LWIP\lwip-interface\lwip\src\netif\lwip_ethernetif.c
*
*/
#define HOSTNAME_STRING "lwip_mps2"
static sys_sem_t rx_ready_sem;
struct ethernetif {
const struct eth_addr *ethaddr;
int is_enabled;
sys_mutex_t tx_mutex;
};
/**
* Should allocate a pbuf and transfer the bytes of the incoming
* packet from the interface into the pbuf.
*
* @param netif the lwip network interface structure for this ethernetif
* @return a pbuf filled with the received packet (including MAC header)
* NULL on memory error
*/
static struct pbuf *low_level_input(struct netif *netif)
{
struct pbuf *p, *q;
uint16_t len;
int unread_bytes = 0;
len = ETH_MAX_FLEN;
#if ETH_PAD_SIZE
len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
#endif
/* We allocate a pbuf chain of pbufs from the pool. */
p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
if (p != NULL) {
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
#endif
/* It iterates over the pbuf chain until it has read the entire
* packet into the pbuf. */
for (q = p; q != NULL; q = q->next) {
/* Read enough bytes to fill this pbuf in the chain. The
* available data in the pbuf is given by the q->len
* variable.
* This does not necessarily have to be a memcpy, you can also preallocate
* pbufs for a DMA-enabled MAC and after receiving truncate it to the
* actually received size. In this case, ensure the tot_len member of the
* pbuf is the sum of the chained pbuf len members.
*/
unread_bytes = ethernet_read(q->payload, q->len);
if (unread_bytes == 0) {
break;
}
}
/* package has been read */
MIB2_STATS_NETIF_ADD(netif, ifinoctets, p->tot_len);
if (((u8_t*)p->payload)[0] & 1) {
/* broadcast or multicast packet */
MIB2_STATS_NETIF_INC(netif, ifinnucastpkts);
} else {
/* unicast packet */
MIB2_STATS_NETIF_INC(netif, ifinucastpkts);
}
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
LINK_STATS_INC(link.recv);
} else {
/* drop packet */
LINK_STATS_INC(link.memerr);
LINK_STATS_INC(link.drop);
MIB2_STATS_NETIF_INC(netif, ifindiscards);
}
return p;
}
/**
* This function should be called when a packet is ready to be read
* from the interface. It uses the function low_level_input() that
* should handle the actual reception of bytes from the network
* interface. Then the type of the received packet is determined and
* the appropriate input function is called.
*
* @param netif the lwip network interface structure for this ethernetif
*/
static void ethernetif_input(struct netif *netif)
{
struct pbuf *p;
/* move received packet into a new pbuf */
p = low_level_input(netif);
/* if no packet could be read, silently ignore this */
if (p != NULL) {
/* pass all packets to ethernet_input, which decides what packets it supports */
if (netif->input(p, netif) != ERR_OK) {
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
pbuf_free(p);
}
} else {
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: buffer null pointer error\n"));
}
}
/**
* This task is called when a packet is received. It will
* pass the packet to the LWIP core.
*
* @param pvParameters pointer to the interface data
*/
static void packet_rx(void* pvParameters)
{
struct netif *netif = pvParameters;
while (1) {
sys_arch_sem_wait(&rx_ready_sem, 0);
ethernetif_input(netif);
smsc9220_enable_interrupt(enum_smsc9220_interrupt_rxstatus_fifo_level);
}
}
/**
* This function should do the actual transmission of the packet. The packet is
* contained in the pbuf that is passed to the function. This pbuf
* might be chained.
*
* @param netif the lwip network interface structure for this ethernetif
* @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
* @return ERR_OK if the packet could be sent
* an err_t value if the packet couldn't be sent
*
* @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
* strange results. You might consider waiting for space in the DMA queue
* to become available since the stack doesn't retry to send a packet
* dropped because of memory failure (except for the TCP timers).
*/
static err_t low_level_output(struct netif *netif, struct pbuf *p)
{
struct pbuf *q;
err_t error = ERR_OK;
unsigned int is_new_packet = 1;
const unsigned int packet_length = p->tot_len;
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
#endif
/* fragmented packet sending should not be used concurrently */
sys_mutex_lock(&(((struct ethernetif*)(netif->state))->tx_mutex));
for (q = p; (q != NULL) && (error == ERR_OK); q = q->next) {
/* Send the data from the pbuf to the interface, one pbuf at a
* time.
* The SMSC9220 driver should be used directly for sending by
* buffer chain, because the SMSC9220 Ethernet API cannot support
* ethernet_send and ethernet_write functions without additional
* SW FIFO, what would increase the memory footprint.
*/
error = smsc9220_send_by_chunks(packet_length, is_new_packet,
q->payload, q->len);
if (error != ERR_OK) {
LWIP_ASSERT("smsc9220_send_by_chunks error", 0);
return error;
}
is_new_packet = 0;
}
sys_mutex_unlock(&(((struct ethernetif*)(netif->state))->tx_mutex));
/* packet should be sent now */
MIB2_STATS_NETIF_ADD(netif, ifoutoctets, p->tot_len);
if (((u8_t*)p->payload)[0] & 1) {
/* broadcast or multicast packet */
MIB2_STATS_NETIF_INC(netif, ifoutnucastpkts);
} else {
/* unicast packet */
MIB2_STATS_NETIF_INC(netif, ifoutucastpkts);
}
/* increase ifoutdiscards or ifouterrors on error */
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
LINK_STATS_INC(link.xmit);
return error;
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static err_t low_level_init(struct netif *netif)
{
err_t error = ERR_OK;
int low_level_error = 0;
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
#if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
netif->hwaddr[0] = MBED_MAC_ADDR_0;
netif->hwaddr[1] = MBED_MAC_ADDR_1;
netif->hwaddr[2] = MBED_MAC_ADDR_2;
netif->hwaddr[3] = MBED_MAC_ADDR_3;
netif->hwaddr[4] = MBED_MAC_ADDR_4;
netif->hwaddr[5] = MBED_MAC_ADDR_5;
#else
ethernet_address((char *)netif->hwaddr);
#endif
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
#if LWIP_IPV6 && LWIP_IPV6_MLD
/*
* For hardware/netifs that implement MAC filtering.
* All-nodes link-local is handled by default, so it must let the hardware know
* to allow multicast packets in.
* Should set mld_mac_filter previously. */
if (netif->mld_mac_filter != NULL) {
ip6_addr_t ip6_allnodes_ll;
ip6_addr_set_allnodes_linklocal(&ip6_allnodes_ll);
netif->mld_mac_filter(netif, &ip6_allnodes_ll, MLD6_ADD_MAC_FILTER);
}
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
low_level_error = ethernet_init();
if (low_level_error != 0) {
return ERR_IF;
}
error = sys_mutex_new(&(((struct ethernetif*)(netif->state))->tx_mutex));
/* Maximum Transfer Unit */
netif->mtu = ETH_MAX_PAYLOAD_LEN;
return error;
}
/**
* Should be called at the beginning of the program to set up the
* network interface. It calls the function low_level_init() to do the
* actual setup of the hardware.
*
* This function should be passed as a parameter to netif_add().
*
* @param netif the lwip network interface structure for this ethernetif
* @return ERR_OK if the loopif is initialized
* ERR_MEM if private data couldn't be allocated
* any other err_t on error
*/
err_t eth_arch_enetif_init(struct netif *netif)
{
err_t error = ERR_OK;
struct ethernetif *ethernetif;
LWIP_ASSERT("netif != NULL", (netif != NULL));
ethernetif = mem_malloc(sizeof(struct ethernetif));
if (ethernetif == NULL) {
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
return ERR_MEM;
}
ethernetif->is_enabled = 0;
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
netif->hostname = HOSTNAME_STRING;
#endif /* LWIP_NETIF_HOSTNAME */
/*
* Initialize the snmp variables and counters inside the struct netif.
* The last argument should be replaced with your link speed, in units
* of bits per second.
*/
MIB2_INIT_NETIF(netif, snmp_ifType_ethernet_csmacd,
LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
netif->state = ethernetif;
/* Two-character name, "en" for Ethernet.
* This can be used to get a netif by name, via netif_find */
netif->name[0] = 'e';
netif->name[1] = 'n';
/* We directly use etharp_output() here to save a function call.
* You can instead declare your own function an call etharp_output()
* from it if you have to do some checks before sending (e.g. if link
* is available...) */
netif->output = etharp_output;
#if LWIP_IPV6
netif->output_ip6 = ethip6_output;
#endif /* LWIP_IPV6 */
netif->linkoutput = low_level_output;
ethernetif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
/* initialize the hardware */
error = low_level_init(netif);
if (error == ERR_OK) {
sys_thread_new("receive_thread", packet_rx, netif,
DEFAULT_THREAD_STACKSIZE, osPriorityNormal);
sys_sem_new(&rx_ready_sem, 0);
ethernetif->is_enabled = 1;
}
return error;
}
void eth_arch_enable_interrupts(void)
{
smsc9220_enable_interrupt(enum_smsc9220_interrupt_rxstatus_fifo_level);
NVIC_EnableIRQ(ETHERNET_IRQn);
}
void eth_arch_disable_interrupts(void)
{
NVIC_DisableIRQ(ETHERNET_IRQn);
}
void ETHERNET_IRQHandler(void)
{
if (smsc9220_get_interrupt(enum_smsc9220_interrupt_rxstatus_fifo_level)) {
sys_sem_signal(&rx_ready_sem);
smsc9220_clear_interrupt(enum_smsc9220_interrupt_rxstatus_fifo_level);
smsc9220_disable_interrupt(enum_smsc9220_interrupt_rxstatus_fifo_level);
}
}
/**
* @}
*/
/* --------------------------------- End Of File ------------------------------ */

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/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef LWIPOPTS_CONF_H
#define LWIPOPTS_CONF_H
#define LWIP_TRANSPORT_ETHERNET 1
#define MEM_SIZE (1600 * 16)
#define MEMP_NUM_TCP_SEG 32
#define TCP_MSS 1460
#define PBUF_POOL_SIZE 16
#define TCP_SND_BUF (8 * TCP_MSS)
#define TCP_WND (TCP_MSS * 8)
#define PBUF_POOL_BUFSIZE 1600
#endif

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#include "lwip/opt.h"
#include "lwip/tcpip.h"
#include "netif/etharp.h"
#include "lwip/ethip6.h"
#include "mbed_interface.h"
#include "ethernet_api.h"
#include "ethernetext_api.h"
#include "platform/mbed_toolchain.h"
#define RECV_TASK_PRI (osPriorityNormal)
#define PHY_TASK_PRI (osPriorityNormal)
#define PHY_TASK_WAIT (200)
WEAK int ethernetext_init(ethernet_cfg_t *p_ethcfg)
{
return -1;
}
WEAK void ethernetext_start_stop(int32_t mode)
{
}
WEAK int ethernetext_chk_link_mode(void)
{
return NEGO_FAIL;
}
WEAK void ethernetext_set_link_mode(int32_t link)
{
}
WEAK int ethernet_init(void)
{
return -1;
}
WEAK void ethernet_free(void)
{
}
WEAK int ethernet_write(const char *data, int size)
{
return 0;
}
WEAK int ethernet_send(void)
{
return 0;
}
WEAK int ethernet_receive(void)
{
return 0;
}
WEAK int ethernet_read(char *data, int size)
{
return 0;
}
WEAK void ethernet_address(char *mac)
{
}
WEAK int ethernet_link(void)
{
return 0;
}
WEAK void ethernet_set_link(int speed, int duplex)
{
}
/* memory */
static sys_sem_t recv_ready_sem; /* receive ready semaphore */
/* function */
static void rza1_recv_task(void *arg);
static void rza1_phy_task(void *arg);
#if LWIP_IPV4
static err_t rza1_etharp_output_ipv4(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr);
#endif
#if LWIP_IPV6
static err_t rza1_etharp_output_ipv6(struct netif *netif, struct pbuf *q, const ip6_addr_t *ipaddr);
#endif
static err_t rza1_low_level_output(struct netif *netif, struct pbuf *p);
static void rza1_recv_callback(void);
static void rza1_recv_task(void *arg) {
struct netif *netif = (struct netif*)arg;
u16_t recv_size;
struct pbuf *p;
int cnt;
while (1) {
sys_arch_sem_wait(&recv_ready_sem, 0);
for (cnt = 0; cnt < 16; cnt++) {
recv_size = ethernet_receive();
if (recv_size != 0) {
p = pbuf_alloc(PBUF_RAW, recv_size, PBUF_RAM);
if (p != NULL) {
(void)ethernet_read((char *)p->payload, p->len);
/* full packet send to tcpip_thread to process */
if (netif->input(p, netif) != ERR_OK) {
/* Free buffer */
pbuf_free(p);
}
}
} else {
break;
}
}
}
}
static void rza1_phy_task(void *arg) {
struct netif *netif = (struct netif*)arg;
s32_t connect_sts = 0; /* 0: disconnect, 1:connect */
s32_t link_sts;
s32_t link_mode_new = NEGO_FAIL;
s32_t link_mode_old = NEGO_FAIL;
while (1) {
link_sts = ethernet_link();
if (link_sts == 1) {
link_mode_new = ethernetext_chk_link_mode();
if (link_mode_new != link_mode_old) {
if (connect_sts == 1) {
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1);
}
if (link_mode_new != NEGO_FAIL) {
ethernetext_set_link_mode(link_mode_new);
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*) netif, 1);
connect_sts = 1;
}
}
} else {
if (connect_sts != 0) {
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1);
link_mode_new = NEGO_FAIL;
connect_sts = 0;
}
}
link_mode_old = link_mode_new;
osDelay(PHY_TASK_WAIT);
}
}
#if LWIP_IPV4
static err_t rza1_etharp_output_ipv4(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr) {
/* Only send packet is link is up */
if (netif->flags & NETIF_FLAG_LINK_UP) {
return etharp_output(netif, q, ipaddr);
}
return ERR_CONN;
}
#endif
#if LWIP_IPV6
static err_t rza1_etharp_output_ipv6(struct netif *netif, struct pbuf *q, const ip6_addr_t *ipaddr) {
/* Only send packet is link is up */
if (netif->flags & NETIF_FLAG_LINK_UP) {
return ethip6_output(netif, q, ipaddr);
}
return ERR_CONN;
}
#endif
static err_t rza1_low_level_output(struct netif *netif, struct pbuf *p) {
struct pbuf *q;
s32_t cnt;
err_t err = ERR_MEM;
s32_t write_size = 0;
if ((p->payload != NULL) && (p->len != 0)) {
/* If the first data can't be written, transmit descriptor is full. */
for (cnt = 0; cnt < 100; cnt++) {
write_size = ethernet_write((char *)p->payload, p->len);
if (write_size != 0) {
break;
}
osDelay(1);
}
if (write_size != 0) {
for (q = p->next; q != NULL; q = q->next) {
(void)ethernet_write((char *)q->payload, q->len);
}
if (ethernet_send() == 1) {
err = ERR_OK;
}
}
}
return err;
}
static void rza1_recv_callback(void) {
sys_sem_signal(&recv_ready_sem);
}
err_t eth_arch_enetif_init(struct netif *netif)
{
ethernet_cfg_t ethcfg;
/* set MAC hardware address */
#if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
netif->hwaddr[0] = MBED_MAC_ADDR_0;
netif->hwaddr[1] = MBED_MAC_ADDR_1;
netif->hwaddr[2] = MBED_MAC_ADDR_2;
netif->hwaddr[3] = MBED_MAC_ADDR_3;
netif->hwaddr[4] = MBED_MAC_ADDR_4;
netif->hwaddr[5] = MBED_MAC_ADDR_5;
#else
mbed_mac_address((char *)netif->hwaddr);
#endif
netif->hwaddr_len = ETH_HWADDR_LEN;
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET;
#ifdef LWIP_IGMP
netif->flags |= NETIF_FLAG_IGMP;
#endif
#if LWIP_IPV6_MLD
netif->flags |= NETIF_FLAG_MLD6;
#endif
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
netif->hostname = "lwiprza1";
#endif /* LWIP_NETIF_HOSTNAME */
netif->name[0] = 'e';
netif->name[1] = 'n';
#if LWIP_IPV4
netif->output = rza1_etharp_output_ipv4;
#endif
#if LWIP_IPV6
netif->output_ip6 = rza1_etharp_output_ipv6;
#endif
netif->linkoutput = rza1_low_level_output;
/* Initialize the hardware */
ethcfg.int_priority = 6;
ethcfg.recv_cb = &rza1_recv_callback;
ethcfg.ether_mac = (char *)netif->hwaddr;
ethernetext_init(&ethcfg);
/* semaphore */
sys_sem_new(&recv_ready_sem, 0);
/* task */
sys_thread_new("rza1_recv_task", rza1_recv_task, netif, DEFAULT_THREAD_STACKSIZE, RECV_TASK_PRI);
sys_thread_new("rza1_phy_task", rza1_phy_task, netif, DEFAULT_THREAD_STACKSIZE, PHY_TASK_PRI);
return ERR_OK;
}
void eth_arch_enable_interrupts(void) {
ethernetext_start_stop(1);
}
void eth_arch_disable_interrupts(void) {
ethernetext_start_stop(0);
}

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/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef LWIPOPTS_CONF_H
#define LWIPOPTS_CONF_H
#define LWIP_TRANSPORT_ETHERNET 1
#define ETHMEM_SECTION
/* ---------- Pbuf options ---------- */
#define MEM_SIZE (10*1600)
#define TCP_SND_QUEUELEN 60
#define MEMP_NUM_TCP_SEG TCP_SND_QUEUELEN
#define TCP_MSS 1460
#define TCP_SND_BUF (10 * TCP_MSS)
#define TCP_WND (6 * TCP_MSS)
#define PBUF_POOL_SIZE 10
#endif