mohr/obsw
1
0
Fork 0
forked from ROMEO/obsw
Code Pull Requests 1 Actions Releases 4 Activity
obsw/bsp_z7/lwip/netif/xaxiemacif.c

753 lines
20 KiB
C
Raw Blame History

/*
* Copyright (C) 2010 - 2022 Xilinx, Inc.
* Copyright (C) 2022 - 2024 Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#include <stdio.h>
#include <string.h>
#include <xparameters.h>
#include "xlwipconfig.h"
#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/igmp.h"
#include "netif/etharp.h"
#include "netif/xaxiemacif.h"
#include "netif/xadapter.h"
#include "netif/xpqueue.h"
#include "xaxiemacif_fifo.h"
#include "xaxiemacif_hw.h"
#include "xparameters.h"
#ifndef SDT
#if XLWIP_CONFIG_INCLUDE_AXIETH_ON_ZYNQ == 1
#include "xscugic.h"
#else
#include "xintc.h"
#endif
#else
#include "xinterrupt_wrap.h"
#endif
#if LWIP_IPV6
#include "lwip/ethip6.h"
#endif
/* Define those to better describe your network interface. */
#define IFNAME0 't'
#define IFNAME1 'e'
#if LWIP_IGMP
static err_t xaxiemacif_mac_filter_update (struct netif *netif,
ip_addr_t *group, u8_t action);
static u8_t xaxiemac_mcast_entry_mask = 0;
#endif
#if LWIP_IPV6 && LWIP_IPV6_MLD
#define XAXIEMAC_MAX_MAC_ADDR 4
static err_t xaxiemacif_mld6_mac_filter_update (struct netif *netif,
ip_addr_t *group, u8_t action);
static u8_t xaxiemac_mld6_mcast_entry_mask;
#endif
#if LWIP_UDP_OPT_BLOCK_TX_TILL_COMPLETE
extern volatile u32_t notifyinfo[XLWIP_CONFIG_N_TX_DESC];
#endif
/*
* this function is always called with interrupts off
* this function also assumes that there are available BD's
*/
#if LWIP_UDP_OPT_BLOCK_TX_TILL_COMPLETE
static err_t _unbuffered_low_level_output(xaxiemacif_s *xaxiemacif,
struct pbuf *p, u32_t block_till_tx_complete, u32_t *to_block_index )
#else
static err_t _unbuffered_low_level_output(xaxiemacif_s *xaxiemacif,
struct pbuf *p)
#endif
{
XStatus status = 0;
err_t err = ERR_MEM;
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
#endif
if (XAxiEthernet_IsDma(&xaxiemacif->axi_ethernet)) {
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_DMA
#if LWIP_UDP_OPT_BLOCK_TX_TILL_COMPLETE
if (block_till_tx_complete == 1) {
status = axidma_sgsend(xaxiemacif, p, 1, to_block_index);
} else {
status = axidma_sgsend(xaxiemacif, p, 0, to_block_index);
}
#else
status = axidma_sgsend(xaxiemacif, p);
#endif
#endif
} else if (XAxiEthernet_IsMcDma(&xaxiemacif->axi_ethernet)) {
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_MCDMA
xil_printf("lwip support with mcdma is deprecated\n");
status = axi_mcdma_sgsend(xaxiemacif, p);
#endif
} else {
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_FIFO
status = axififo_send(xaxiemacif, p);
#endif
}
if (status != XST_SUCCESS) {
#if LINK_STATS
lwip_stats.link.drop++;
#endif
} else {
err = ERR_OK;
}
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
#if LINK_STATS
lwip_stats.link.xmit++;
#endif /* LINK_STATS */
return err;
}
/*
* low_level_output():
*
* 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.
*
*/
static err_t low_level_output(struct netif *netif, struct pbuf *p)
{
err_t err = ERR_MEM;
#if LWIP_UDP_OPT_BLOCK_TX_TILL_COMPLETE
u32_t notfifyblocksleepcntr;
u32_t to_block_index;
#endif
SYS_ARCH_DECL_PROTECT(lev);
struct xemac_s *xemac = (struct xemac_s *)(netif->state);
xaxiemacif_s *xaxiemacif = (xaxiemacif_s *)(xemac->state);
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_DMA
/*
* With AXI Ethernet on Zynq, we observed unexplained delays for
* BD Status update. As a result, we are hitting a condition where
* there are no BDs free to transmit packets. So, we have added
* this logic where we look for the status update in a definite
* loop.
*/
XAxiDma_BdRing *txring = XAxiDma_GetTxRing(&xaxiemacif->axidma);
#endif
int count = 100;
SYS_ARCH_PROTECT(lev);
while (count) {
/* check if space is available to send */
if (xaxiemac_is_tx_space_available(xaxiemacif)) {
#if LWIP_UDP_OPT_BLOCK_TX_TILL_COMPLETE
if (netif_is_opt_block_tx_set(netif, NETIF_ENABLE_BLOCKING_TX_FOR_PACKET)) {
err = _unbuffered_low_level_output(xaxiemacif, p, 1, &to_block_index);
break;
} else {
err = _unbuffered_low_level_output(xaxiemacif, p, 0, &to_block_index);
break;
}
#else
err = _unbuffered_low_level_output(xaxiemacif, p);
break;
#endif
} else {
#if LINK_STATS
lwip_stats.link.drop++;
#endif
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_DMA
process_sent_bds(txring);
#endif
count--;
}
}
if (count == 0) {
xil_printf("pack dropped, no space\r\n");
SYS_ARCH_UNPROTECT(lev);
goto return_pack_dropped;
}
SYS_ARCH_UNPROTECT(lev);
#if LWIP_UDP_OPT_BLOCK_TX_TILL_COMPLETE
if (netif_is_opt_block_tx_set(netif, NETIF_ENABLE_BLOCKING_TX_FOR_PACKET)) {
/* Wait for approx 1 second before timing out */
notfifyblocksleepcntr = 900000;
while(notifyinfo[to_block_index] == 1) {
usleep(1);
notfifyblocksleepcntr--;
if (notfifyblocksleepcntr <= 0) {
err = ERR_TIMEOUT;
break;
}
}
}
netif_clear_opt_block_tx(netif, NETIF_ENABLE_BLOCKING_TX_FOR_PACKET);
#endif
return_pack_dropped:
return err;
}
/*
* low_level_input():
*
* Should allocate a pbuf and transfer the bytes of the incoming
* packet from the interface into the pbuf.
*
*/
static struct pbuf *low_level_input(struct netif *netif)
{
struct xemac_s *xemac = (struct xemac_s *)(netif->state);
xaxiemacif_s *xaxiemacif = (xaxiemacif_s *)(xemac->state);
struct pbuf *p;
/* see if there is data to process */
if (pq_qlength(xaxiemacif->recv_q) == 0)
return NULL;
/* return one packet from receive q */
p = (struct pbuf *)pq_dequeue(xaxiemacif->recv_q);
return p;
}
/*
* xaxiemacif_output():
*
* This function is called by the TCP/IP stack when an IP packet
* should be sent. It calls the function called low_level_output() to
* do the actual transmission of the packet.
*
*/
static err_t xaxiemacif_output(struct netif *netif, struct pbuf *p,
const ip_addr_t *ipaddr)
{
/* resolve hardware address, then send (or queue) packet */
return etharp_output(netif, p, ipaddr);
}
/*
* xaxiemacif_input():
*
* 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.
*
* Returns the number of packets read (max 1 packet on success,
* 0 if there are no packets)
*
*/
int xaxiemacif_input(struct netif *netif)
{
struct eth_hdr *ethhdr;
struct pbuf *p;
SYS_ARCH_DECL_PROTECT(lev);
#if !NO_SYS
while (1)
#endif
{
/* move received packet into a new pbuf */
SYS_ARCH_PROTECT(lev);
p = low_level_input(netif);
SYS_ARCH_UNPROTECT(lev);
/* no packet could be read, silently ignore this */
if (p == NULL)
return 0;
/* points to packet payload, which starts with an Ethernet header */
ethhdr = p->payload;
#if LINK_STATS
lwip_stats.link.recv++;
#endif /* LINK_STATS */
switch (htons(ethhdr->type)) {
/* IP or ARP packet? */
case ETHTYPE_IP:
case ETHTYPE_ARP:
#if LWIP_IPV6
/*IPv6 Packet?*/
case ETHTYPE_IPV6:
#endif
#if PPPOE_SUPPORT
/* PPPoE packet? */
case ETHTYPE_PPPOEDISC:
case ETHTYPE_PPPOE:
#endif /* PPPOE_SUPPORT */
/* full packet send to tcpip_thread to process */
if (netif->input(p, netif) != ERR_OK) {
LWIP_DEBUGF(NETIF_DEBUG, ("xaxiemacif_input: IP input error\r\n"));
pbuf_free(p);
p = NULL;
}
break;
default:
pbuf_free(p);
p = NULL;
break;
}
}
return 1;
}
static err_t low_level_init(struct netif *netif)
{
unsigned mac_address = (unsigned)(UINTPTR)(netif->state);
struct xemac_s *xemac;
xaxiemacif_s *xaxiemacif;
XAxiEthernet_Config *mac_config;
xaxiemacif = mem_malloc(sizeof *xaxiemacif);
if (xaxiemacif == NULL) {
LWIP_DEBUGF(NETIF_DEBUG, ("xaxiemacif_init: out of memory\r\n"));
return ERR_MEM;
}
xemac = mem_malloc(sizeof *xemac);
if (xemac == NULL) {
LWIP_DEBUGF(NETIF_DEBUG, ("xaxiemacif_init: out of memory\r\n"));
return ERR_MEM;
}
xemac->state = (void *)xaxiemacif;
xemac->topology_index = xtopology_find_index(mac_address);
xemac->type = xemac_type_axi_ethernet;
xaxiemacif->send_q = NULL;
xaxiemacif->recv_q = pq_create_queue();
if (!xaxiemacif->recv_q)
return ERR_MEM;
/* maximum transfer unit */
#ifdef USE_JUMBO_FRAMES
netif->mtu = XAE_JUMBO_MTU - XAE_HDR_SIZE;
#else
netif->mtu = XAE_MTU - XAE_HDR_SIZE;
#endif
#if LWIP_IGMP
netif->igmp_mac_filter = xaxiemacif_mac_filter_update;
#endif
#if LWIP_IPV6 && LWIP_IPV6_MLD
netif->mld_mac_filter = xaxiemacif_mld6_mac_filter_update;
#endif
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP |
NETIF_FLAG_LINK_UP;
#if LWIP_IPV6 && LWIP_IPV6_MLD
netif->flags |= NETIF_FLAG_MLD6;
#endif
#if LWIP_IGMP
netif->flags |= NETIF_FLAG_IGMP;
#endif
#if !NO_SYS
sys_sem_new(&xemac->sem_rx_data_available, 0);
#endif
/* obtain config of this emac */
mac_config = xaxiemac_lookup_config((unsigned)(UINTPTR)netif->state);
XAxiEthernet_Initialize(&xaxiemacif->axi_ethernet, mac_config,
mac_config->BaseAddress);
#ifdef XPAR_GIGE_PCS_PMA_SGMII_CORE_PRESENT
enable_sgmii_clock(&xaxiemacif->axi_ethernet);
#endif
/* figure out if the system has DMA */
if (XAxiEthernet_IsDma(&xaxiemacif->axi_ethernet)) {
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_DMA
/* initialize the DMA engine */
init_axi_dma(xemac);
#endif
} else if (XAxiEthernet_IsFifo(&xaxiemacif->axi_ethernet)) {
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_FIFO
/* initialize the locallink FIFOs */
init_axi_fifo(xemac);
#endif
} else if (XAxiEthernet_IsMcDma(&xaxiemacif->axi_ethernet)) {
#ifdef XLWIP_CONFIG_INCLUDE_AXI_ETHERNET_MCDMA
/* Initialize MCDMA engine */
init_axi_mcdma(xemac);
#endif
} else {
/* should not occur */
LWIP_DEBUGF(NETIF_DEBUG, ("xaxiemacif_init: mac is not configured with DMA, MCDMA or FIFO\r\n"));
return ERR_IF;
}
/* initialize the mac */
init_axiemac(xaxiemacif, netif);
/* replace the state in netif (currently the emac baseaddress)
* with the mac instance pointer.
*/
netif->state = (void *)xemac;
return ERR_OK;
}
#if LWIP_IPV6 && LWIP_IPV6_MLD
static u8_t xaxiemacif_ip6_addr_ismulticast(ip6_addr_t* ip_addr)
{
if(ip6_addr_ismulticast_linklocal(ip_addr)||
ip6_addr_ismulticast_iflocal(ip_addr) ||
ip6_addr_ismulticast_adminlocal(ip_addr)||
ip6_addr_ismulticast_sitelocal(ip_addr) ||
ip6_addr_ismulticast_orglocal(ip_addr) ||
ip6_addr_ismulticast_global(ip_addr)) {
/*Return TRUE if IPv6 is Multicast type*/
return TRUE;
} else {
return FALSE;
}
}
static void xaxiemacif_mld6_mac_hash_update (struct netif *netif, u8_t *ip_addr,
u8_t action,u8_t entry)
{
u8_t multicast_mac_addr[6];
u8_t multicast_mac_addr_to_clr[6];
struct xemac_s *xemac = (struct xemac_s *)(netif->state);
xaxiemacif_s *xaxiemacif = (xaxiemacif_s *)(xemac->state);
if (action == NETIF_ADD_MAC_FILTER) {
/* Set Mulitcast mac address in hash table */
multicast_mac_addr[0] = LL_IP6_MULTICAST_ADDR_0;
multicast_mac_addr[1] = LL_IP6_MULTICAST_ADDR_1;
multicast_mac_addr[2] = ip_addr[12];
multicast_mac_addr[3] = ip_addr[13];
multicast_mac_addr[4] = ip_addr[14];
multicast_mac_addr[5] = ip_addr[15];
XAxiEthernet_Stop(&xaxiemacif->axi_ethernet);
XAxiEthernet_MulticastAdd(&xaxiemacif->axi_ethernet,multicast_mac_addr, entry);
XAxiEthernet_Start(&xaxiemacif->axi_ethernet);
} else if (action == NETIF_DEL_MAC_FILTER) {
/* Remove Mulitcast mac address in hash table */
XAxiEthernet_MulticastGet(&xaxiemacif->axi_ethernet,multicast_mac_addr_to_clr, entry);
XAxiEthernet_Stop(&xaxiemacif->axi_ethernet);
XAxiEthernet_MulticastClear(&xaxiemacif->axi_ethernet, entry);
XAxiEthernet_Start(&xaxiemacif->axi_ethernet);
}
}
static err_t
xaxiemacif_mld6_mac_filter_update (struct netif *netif, ip_addr_t *group,
u8_t action)
{
u8_t temp_mask;
unsigned int i;
u8_t entry;
u8_t * ip_addr = (u8_t *) group;
if(!(xaxiemacif_ip6_addr_ismulticast((ip6_addr_t*) ip_addr))) {
LWIP_DEBUGF(NETIF_DEBUG,
("%s: The requested MAC address is not a multicast address.\r\n", __func__)); LWIP_DEBUGF(NETIF_DEBUG,
("Multicast address add operation failure !!\r\n"));
return ERR_ARG;
}
if (action == NETIF_ADD_MAC_FILTER) {
for (i = 0; i < XAXIEMAC_MAX_MAC_ADDR; i++) {
temp_mask = (0x01) << i;
if ((xaxiemac_mld6_mcast_entry_mask & temp_mask) == temp_mask) {
continue;
}
entry = i;
xaxiemac_mld6_mcast_entry_mask |= temp_mask;
/* Update mac address in hash table */
xaxiemacif_mld6_mac_hash_update(netif, ip_addr, action,entry);
LWIP_DEBUGF(NETIF_DEBUG,
("%s: Multicast MAC address successfully added.\r\n", __func__));
return ERR_OK;
}
LWIP_DEBUGF(NETIF_DEBUG,
("%s: No multicast address registers left.\r\n", __func__));
LWIP_DEBUGF(NETIF_DEBUG,
("Multicast MAC address add operation failure !!\r\n"));
return ERR_MEM;
} else if (action == NETIF_DEL_MAC_FILTER) {
for (i = 0; i < XAXIEMAC_MAX_MAC_ADDR; i++) {
temp_mask = (0x01) << i;
if ((xaxiemac_mld6_mcast_entry_mask & temp_mask) == temp_mask) {
entry = i;
xaxiemacif_mld6_mac_hash_update(netif, ip_addr,action, entry);
xaxiemac_mld6_mcast_entry_mask &= (~temp_mask);
LWIP_DEBUGF(NETIF_DEBUG,
("%s: Multicast MAC address successfully removed.\r\n", __func__));
return ERR_OK;
} else {
continue;
}
}
LWIP_DEBUGF(NETIF_DEBUG,
("%s: No multicast address registers present with\r\n", __func__));
LWIP_DEBUGF(NETIF_DEBUG,
("the requested Multicast MAC address.\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
("Multicast MAC address removal failure!!.\r\n"));
return ERR_MEM;
}
return ERR_ARG;
}
#endif
#if LWIP_IGMP
static err_t
xaxiemacif_mac_filter_update (struct netif *netif, ip_addr_t *group,
u8_t action)
{
err_t return_val = ERR_OK;
u8_t multicast_mac_addr[6];
u8_t multicast_mac_addr_to_clr[6];
u8_t temp_mask;
int entry;
int i;
u8_t * ip_addr_temp = (u8_t *)group;
struct xemac_s *xemac = (struct xemac_s *)(netif->state);
xaxiemacif_s *xaxiemacif = (xaxiemacif_s *)(xemac->state);
if (action == IGMP_ADD_MAC_FILTER) {
if ((ip_addr_temp[0] >= 224) && (ip_addr_temp[0] <= 239)) {
if (xaxiemac_mcast_entry_mask >= 0x0F) {
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: No multicast address registers left.\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
(" Multicast MAC address add operation failure !!\r\n"));
return_val = ERR_MEM;
} else {
for (i = 0; i < 4; i++) {
temp_mask = (0x01) << i;
if ((xaxiemac_mcast_entry_mask &
temp_mask) == temp_mask) {
continue;
} else {
entry = i;
xaxiemac_mcast_entry_mask
|= temp_mask;
multicast_mac_addr[0] = 0x01;
multicast_mac_addr[1] = 0x00;
multicast_mac_addr[2] = 0x5E;
multicast_mac_addr[3] =
ip_addr_temp[1] & 0x7F;
multicast_mac_addr[4] =
ip_addr_temp[2];
multicast_mac_addr[5] =
ip_addr_temp[3];
XAxiEthernet_Stop
(&xaxiemacif->axi_ethernet);
XAxiEthernet_MulticastAdd
(&xaxiemacif->axi_ethernet,
multicast_mac_addr,entry);
XAxiEthernet_Start
(&xaxiemacif->axi_ethernet);
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: Multicast MAC address successfully added.\r\n"));
return_val = ERR_OK;
break;
}
}
if (i == 4) {
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: No multicast address registers left.\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
(" Multicast MAC address add operation failure !!\r\n"));
return_val = ERR_MEM;
}
}
} else {
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: The requested MAC address is not a multicast address.\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
(" Multicast address add operation failure !!\r\n"));
return_val = ERR_ARG;
}
} else if (action == IGMP_DEL_MAC_FILTER) {
if ((ip_addr_temp[0] < 224) || (ip_addr_temp[0] > 239)) {
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: The requested MAC address is not a multicast address.\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
(" Multicast address add operation failure !!\r\n"));
return_val = ERR_ARG;
} else {
for (i = 0; i < 4; i++) {
temp_mask = (0x01) << i;
if ((xaxiemac_mcast_entry_mask & temp_mask)
== temp_mask) {
XAxiEthernet_MulticastGet
(&xaxiemacif->axi_ethernet,
multicast_mac_addr_to_clr, i);
if ((ip_addr_temp[3] ==
multicast_mac_addr_to_clr[5]) &&
(ip_addr_temp[2] ==
multicast_mac_addr_to_clr[4]) &&
((ip_addr_temp[1] & 0x7f) ==
multicast_mac_addr_to_clr[3])) {
XAxiEthernet_Stop
(&xaxiemacif->axi_ethernet);
XAxiEthernet_MulticastClear
(&xaxiemacif->axi_ethernet, i);
XAxiEthernet_Start
(&xaxiemacif->axi_ethernet);
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: Multicast MAC address successfully removed.\r\n"));
return_val = ERR_OK;
xaxiemac_mcast_entry_mask &=
(~temp_mask);
break;
} else {
continue;
}
} else {
continue;
}
}
if (i == 4) {
LWIP_DEBUGF(NETIF_DEBUG,
("xaxiemacif_mac_filter_update: No multicast address registers present with\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
(" the requested Multicast MAC address.\r\n"));
LWIP_DEBUGF(NETIF_DEBUG,
(" Multicast MAC address removal failure!!.\r\n"));
return_val = ERR_MEM;
}
}
}
return return_val;
}
#endif
/*
* xaxiemacif_init():
*
* 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.
*
*/
err_t
xaxiemacif_init(struct netif *netif)
{
#if LWIP_SNMP
/* ifType ethernetCsmacd(6) @see RFC1213 */
netif->link_type = 6;
/* your link speed here */
netif->link_speed = ;
netif->ts = 0;
netif->ifinoctets = 0;
netif->ifinucastpkts = 0;
netif->ifinnucastpkts = 0;
netif->ifindiscards = 0;
netif->ifoutoctets = 0;
netif->ifoutucastpkts = 0;
netif->ifoutnucastpkts = 0;
netif->ifoutdiscards = 0;
#endif
netif->name[0] = IFNAME0;
netif->name[1] = IFNAME1;
netif->output = xaxiemacif_output;
netif->linkoutput = low_level_output;
#if LWIP_IPV6
netif->output_ip6 = ethip6_output;
#endif
low_level_init(netif);
return ERR_OK;
}
View Git Blame Copy Permalink