lab 3
Diff: arch/TARGET_RZ_A1H/rza1_emac.c
- Revision:
- 29:4380f0749039
- Parent:
- 28:72f8b097fbf3
--- a/arch/TARGET_RZ_A1H/rza1_emac.c Thu Aug 13 10:45:29 2015 +0100 +++ b/arch/TARGET_RZ_A1H/rza1_emac.c Tue Nov 10 09:31:00 2015 +0000 @@ -24,33 +24,38 @@ struct eth_hdr *ethhdr; u16_t recv_size; struct pbuf *p; + int cnt; while (1) { sys_arch_sem_wait(&recv_ready_sem, 0); - 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); - ethhdr = p->payload; - switch (htons(ethhdr->type)) { - case ETHTYPE_IP: - case ETHTYPE_ARP: + 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); + ethhdr = p->payload; + switch (htons(ethhdr->type)) { + case ETHTYPE_IP: + case ETHTYPE_ARP: #if PPPOE_SUPPORT - case ETHTYPE_PPPOEDISC: - case ETHTYPE_PPPOE: + case ETHTYPE_PPPOEDISC: + case ETHTYPE_PPPOE: #endif /* PPPOE_SUPPORT */ - /* full packet send to tcpip_thread to process */ - if (netif->input(p, netif) != ERR_OK) { - /* Free buffer */ + /* full packet send to tcpip_thread to process */ + if (netif->input(p, netif) != ERR_OK) { + /* Free buffer */ + pbuf_free(p); + } + break; + default: + /* Return buffer */ pbuf_free(p); - } - break; - default: - /* Return buffer */ - pbuf_free(p); - break; + break; + } } + } else { + break; } } }