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First set of changes for from-source esp-lwip

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This commit is contained in:
Angus Gratton 2015-05-13 16:40:54 +10:00
parent 2449914df1
commit e4bc8fab7a
6 changed files with 91 additions and 7 deletions
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80
lwip/esp_interface.c
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@ -2,15 +2,89 @@
These two symbols are called from libnet80211.a
*/
#include "lwip/opt.h"
/* called from hostap_input... less clear what this is for! */
void ethernetif_init(void)
#include "lwip/def.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include <lwip/stats.h>
#include <lwip/snmp.h>
#include "netif/etharp.h"
#include "netif/ppp_oe.h"
/* declared in libnet80211.a */
int8_t ieee80211_output_pbuf(struct netif *ifp, struct pbuf* pb);
//sint8 ieee80211_output_pbuf(struct ieee80211_conn *conn, esf_buf *eb);
static err_t
low_level_output(struct netif *netif, struct pbuf *p)
{
struct pbuf *q;
for(q = p; q != NULL; q = q->next) {
ieee80211_output_pbuf(netif, q);
}
LINK_STATS_INC(link.xmit);
return ERR_OK;
}
err_t ethernetif_init(struct netif *netif)
{
LWIP_ASSERT("netif != NULL", (netif != NULL));
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
netif->hostname = "lwip";
#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.
*/
NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
//netif->state = (void *)0xDEADBEEF; /* this appears unused by esp layer */
netif->name[0] = 'e';
netif->name[1] = 'n';
netif->output = etharp_output;
/* NB: in the SDK there's a static wrapper function to this, not sure what it does!! */
netif->linkoutput = low_level_output;
/* low level init components */
netif->hwaddr_len = 6;
/* hwaddr seems to be set elsewhere, or (more likely) is per-packet by MAC layer */
netif->mtu = 1500;
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
return ERR_OK;
}
/* called from ieee80211_deliver_data with new IP frames */
void ethernetif_input(void)
void ethernetif_input(struct netif *netif, struct pbuf *p)
{
struct eth_hdr *ethhdr = p->payload;
/* examine packet payloads ethernet header */
switch (htons(ethhdr->type)) {
/* IP or ARP packet? */
case ETHTYPE_IP:
case ETHTYPE_ARP:
// case ETHTYPE_IPV6:
/* full packet send to tcpip_thread to process */
if (netif->input(p, netif)!=ERR_OK)
{ LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
pbuf_free(p);
p = NULL;
}
break;
default:
pbuf_free(p);
p = NULL;
break;
}
}