Daiki Kato / mbed-os-lychee

mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

features/FEATURE_LWIP/lwip-interface/emac_lwip.c@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1 /* mbed Microcontroller Library
dkato 0:f782d9c66c49 2 * Copyright (c) 2016 ARM Limited
dkato 0:f782d9c66c49 3 *
dkato 0:f782d9c66c49 4 * Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:f782d9c66c49 5 * you may not use this file except in compliance with the License.
dkato 0:f782d9c66c49 6 * You may obtain a copy of the License at
dkato 0:f782d9c66c49 7 *
dkato 0:f782d9c66c49 8 * http://www.apache.org/licenses/LICENSE-2.0
dkato 0:f782d9c66c49 9 *
dkato 0:f782d9c66c49 10 * Unless required by applicable law or agreed to in writing, software
dkato 0:f782d9c66c49 11 * distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:f782d9c66c49 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:f782d9c66c49 13 * See the License for the specific language governing permissions and
dkato 0:f782d9c66c49 14 * limitations under the License.
dkato 0:f782d9c66c49 15 */
dkato 0:f782d9c66c49 16
dkato 0:f782d9c66c49 17 #if DEVICE_EMAC
dkato 0:f782d9c66c49 18
dkato 0:f782d9c66c49 19 #include "emac_api.h"
dkato 0:f782d9c66c49 20 #include "emac_stack_mem.h"
dkato 0:f782d9c66c49 21 #include "lwip/tcpip.h"
dkato 0:f782d9c66c49 22 #include "lwip/tcp.h"
dkato 0:f782d9c66c49 23 #include "lwip/ip.h"
dkato 0:f782d9c66c49 24 #include "netif/etharp.h"
dkato 0:f782d9c66c49 25
dkato 0:f782d9c66c49 26 static err_t emac_lwip_low_level_output(struct netif *netif, struct pbuf *p)
dkato 0:f782d9c66c49 27 {
dkato 0:f782d9c66c49 28 emac_interface_t *mac = (emac_interface_t *)netif->state;
dkato 0:f782d9c66c49 29 bool ret = mac->ops.link_out(mac, (emac_stack_mem_t *)p);
dkato 0:f782d9c66c49 30
dkato 0:f782d9c66c49 31 return ret ? ERR_OK : ERR_IF;
dkato 0:f782d9c66c49 32 }
dkato 0:f782d9c66c49 33
dkato 0:f782d9c66c49 34 static void emac_lwip_input(void *data, emac_stack_t *buf)
dkato 0:f782d9c66c49 35 {
dkato 0:f782d9c66c49 36 struct pbuf *p = (struct pbuf *)buf;
dkato 0:f782d9c66c49 37 struct netif *netif = (struct netif *)data;
dkato 0:f782d9c66c49 38
dkato 0:f782d9c66c49 39 /* pass all packets to ethernet_input, which decides what packets it supports */
dkato 0:f782d9c66c49 40 if (netif->input(p, netif) != ERR_OK) {
dkato 0:f782d9c66c49 41 LWIP_DEBUGF(NETIF_DEBUG, ("Emac LWIP: IP input error\n"));
dkato 0:f782d9c66c49 42
dkato 0:f782d9c66c49 43 pbuf_free(p);
dkato 0:f782d9c66c49 44 }
dkato 0:f782d9c66c49 45 }
dkato 0:f782d9c66c49 46
dkato 0:f782d9c66c49 47 static void emac_lwip_state_change(void *data, bool up)
dkato 0:f782d9c66c49 48 {
dkato 0:f782d9c66c49 49 struct netif *netif = (struct netif *)data;
dkato 0:f782d9c66c49 50
dkato 0:f782d9c66c49 51 if (up) {
dkato 0:f782d9c66c49 52 tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, netif, 1);
dkato 0:f782d9c66c49 53 } else {
dkato 0:f782d9c66c49 54 tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, netif, 1);
dkato 0:f782d9c66c49 55 }
dkato 0:f782d9c66c49 56 }
dkato 0:f782d9c66c49 57
dkato 0:f782d9c66c49 58 err_t emac_lwip_if_init(struct netif *netif)
dkato 0:f782d9c66c49 59 {
dkato 0:f782d9c66c49 60 int err = ERR_OK;
dkato 0:f782d9c66c49 61 emac_interface_t *mac = (emac_interface_t *)netif->state;
dkato 0:f782d9c66c49 62
dkato 0:f782d9c66c49 63 mac->ops.set_link_input_cb(mac, emac_lwip_input, netif);
dkato 0:f782d9c66c49 64 mac->ops.set_link_state_cb(mac, emac_lwip_state_change, netif);
dkato 0:f782d9c66c49 65
dkato 0:f782d9c66c49 66 netif->hwaddr_len = mac->ops.get_hwaddr_size(mac);
dkato 0:f782d9c66c49 67 mac->ops.get_hwaddr(mac, netif->hwaddr);
dkato 0:f782d9c66c49 68
dkato 0:f782d9c66c49 69 netif->mtu = mac->ops.get_mtu_size(mac);
dkato 0:f782d9c66c49 70
dkato 0:f782d9c66c49 71 /* Interface capabilities */
dkato 0:f782d9c66c49 72 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP;
dkato 0:f782d9c66c49 73
dkato 0:f782d9c66c49 74 mac->ops.get_ifname(mac, netif->name, 2);
dkato 0:f782d9c66c49 75
dkato 0:f782d9c66c49 76 #if LWIP_IPV4
dkato 0:f782d9c66c49 77 netif->output = etharp_output;
dkato 0:f782d9c66c49 78 #endif /* LWIP_IPV4 */
dkato 0:f782d9c66c49 79
dkato 0:f782d9c66c49 80 netif->linkoutput = emac_lwip_low_level_output;
dkato 0:f782d9c66c49 81
dkato 0:f782d9c66c49 82 if (!mac->ops.power_up(mac)) {
dkato 0:f782d9c66c49 83 err = ERR_IF;
dkato 0:f782d9c66c49 84 }
dkato 0:f782d9c66c49 85
dkato 0:f782d9c66c49 86 return err;
dkato 0:f782d9c66c49 87 }
dkato 0:f782d9c66c49 88
dkato 0:f782d9c66c49 89 #endif /* DEVICE_EMAC */