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lwip-eth/arch/TARGET_RZ_A1H/rza1_emac.c@0:d7bd7384a37c, 2016-12-07 (annotated)
- Committer:
- grzemich
- Date:
- Wed Dec 07 23:47:50 2016 +0000
- Revision:
- 0:d7bd7384a37c
dgd
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
grzemich | 0:d7bd7384a37c | 1 | #include "lwip/opt.h" |
grzemich | 0:d7bd7384a37c | 2 | #include "lwip/tcpip.h" |
grzemich | 0:d7bd7384a37c | 3 | #include "netif/etharp.h" |
grzemich | 0:d7bd7384a37c | 4 | #include "mbed_interface.h" |
grzemich | 0:d7bd7384a37c | 5 | #include "ethernet_api.h" |
grzemich | 0:d7bd7384a37c | 6 | #include "ethernetext_api.h" |
grzemich | 0:d7bd7384a37c | 7 | |
grzemich | 0:d7bd7384a37c | 8 | #define RECV_TASK_PRI (osPriorityNormal) |
grzemich | 0:d7bd7384a37c | 9 | #define PHY_TASK_PRI (osPriorityNormal) |
grzemich | 0:d7bd7384a37c | 10 | #define PHY_TASK_WAIT (200) |
grzemich | 0:d7bd7384a37c | 11 | |
grzemich | 0:d7bd7384a37c | 12 | /* memory */ |
grzemich | 0:d7bd7384a37c | 13 | static sys_sem_t recv_ready_sem; /* receive ready semaphore */ |
grzemich | 0:d7bd7384a37c | 14 | |
grzemich | 0:d7bd7384a37c | 15 | /* function */ |
grzemich | 0:d7bd7384a37c | 16 | static void rza1_recv_task(void *arg); |
grzemich | 0:d7bd7384a37c | 17 | static void rza1_phy_task(void *arg); |
grzemich | 0:d7bd7384a37c | 18 | static err_t rza1_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr); |
grzemich | 0:d7bd7384a37c | 19 | static err_t rza1_low_level_output(struct netif *netif, struct pbuf *p); |
grzemich | 0:d7bd7384a37c | 20 | static void rza1_recv_callback(void); |
grzemich | 0:d7bd7384a37c | 21 | |
grzemich | 0:d7bd7384a37c | 22 | static void rza1_recv_task(void *arg) { |
grzemich | 0:d7bd7384a37c | 23 | struct netif *netif = (struct netif*)arg; |
grzemich | 0:d7bd7384a37c | 24 | struct eth_hdr *ethhdr; |
grzemich | 0:d7bd7384a37c | 25 | u16_t recv_size; |
grzemich | 0:d7bd7384a37c | 26 | struct pbuf *p; |
grzemich | 0:d7bd7384a37c | 27 | int cnt; |
grzemich | 0:d7bd7384a37c | 28 | |
grzemich | 0:d7bd7384a37c | 29 | while (1) { |
grzemich | 0:d7bd7384a37c | 30 | sys_arch_sem_wait(&recv_ready_sem, 0); |
grzemich | 0:d7bd7384a37c | 31 | for (cnt = 0; cnt < 16; cnt++) { |
grzemich | 0:d7bd7384a37c | 32 | recv_size = ethernet_receive(); |
grzemich | 0:d7bd7384a37c | 33 | if (recv_size != 0) { |
grzemich | 0:d7bd7384a37c | 34 | p = pbuf_alloc(PBUF_RAW, recv_size, PBUF_RAM); |
grzemich | 0:d7bd7384a37c | 35 | if (p != NULL) { |
grzemich | 0:d7bd7384a37c | 36 | (void)ethernet_read((char *)p->payload, p->len); |
grzemich | 0:d7bd7384a37c | 37 | ethhdr = p->payload; |
grzemich | 0:d7bd7384a37c | 38 | switch (htons(ethhdr->type)) { |
grzemich | 0:d7bd7384a37c | 39 | case ETHTYPE_IP: |
grzemich | 0:d7bd7384a37c | 40 | case ETHTYPE_ARP: |
grzemich | 0:d7bd7384a37c | 41 | #if PPPOE_SUPPORT |
grzemich | 0:d7bd7384a37c | 42 | case ETHTYPE_PPPOEDISC: |
grzemich | 0:d7bd7384a37c | 43 | case ETHTYPE_PPPOE: |
grzemich | 0:d7bd7384a37c | 44 | #endif /* PPPOE_SUPPORT */ |
grzemich | 0:d7bd7384a37c | 45 | /* full packet send to tcpip_thread to process */ |
grzemich | 0:d7bd7384a37c | 46 | if (netif->input(p, netif) != ERR_OK) { |
grzemich | 0:d7bd7384a37c | 47 | /* Free buffer */ |
grzemich | 0:d7bd7384a37c | 48 | pbuf_free(p); |
grzemich | 0:d7bd7384a37c | 49 | } |
grzemich | 0:d7bd7384a37c | 50 | break; |
grzemich | 0:d7bd7384a37c | 51 | default: |
grzemich | 0:d7bd7384a37c | 52 | /* Return buffer */ |
grzemich | 0:d7bd7384a37c | 53 | pbuf_free(p); |
grzemich | 0:d7bd7384a37c | 54 | break; |
grzemich | 0:d7bd7384a37c | 55 | } |
grzemich | 0:d7bd7384a37c | 56 | } |
grzemich | 0:d7bd7384a37c | 57 | } else { |
grzemich | 0:d7bd7384a37c | 58 | break; |
grzemich | 0:d7bd7384a37c | 59 | } |
grzemich | 0:d7bd7384a37c | 60 | } |
grzemich | 0:d7bd7384a37c | 61 | } |
grzemich | 0:d7bd7384a37c | 62 | } |
grzemich | 0:d7bd7384a37c | 63 | |
grzemich | 0:d7bd7384a37c | 64 | static void rza1_phy_task(void *arg) { |
grzemich | 0:d7bd7384a37c | 65 | struct netif *netif = (struct netif*)arg; |
grzemich | 0:d7bd7384a37c | 66 | s32_t connect_sts = 0; /* 0: disconnect, 1:connect */ |
grzemich | 0:d7bd7384a37c | 67 | s32_t link_sts; |
grzemich | 0:d7bd7384a37c | 68 | s32_t link_mode_new = NEGO_FAIL; |
grzemich | 0:d7bd7384a37c | 69 | s32_t link_mode_old = NEGO_FAIL; |
grzemich | 0:d7bd7384a37c | 70 | |
grzemich | 0:d7bd7384a37c | 71 | while (1) { |
grzemich | 0:d7bd7384a37c | 72 | link_sts = ethernet_link(); |
grzemich | 0:d7bd7384a37c | 73 | if (link_sts == 1) { |
grzemich | 0:d7bd7384a37c | 74 | link_mode_new = ethernetext_chk_link_mode(); |
grzemich | 0:d7bd7384a37c | 75 | if (link_mode_new != link_mode_old) { |
grzemich | 0:d7bd7384a37c | 76 | if (connect_sts == 1) { |
grzemich | 0:d7bd7384a37c | 77 | tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1); |
grzemich | 0:d7bd7384a37c | 78 | } |
grzemich | 0:d7bd7384a37c | 79 | if (link_mode_new != NEGO_FAIL) { |
grzemich | 0:d7bd7384a37c | 80 | ethernetext_set_link_mode(link_mode_new); |
grzemich | 0:d7bd7384a37c | 81 | tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*) netif, 1); |
grzemich | 0:d7bd7384a37c | 82 | connect_sts = 1; |
grzemich | 0:d7bd7384a37c | 83 | } |
grzemich | 0:d7bd7384a37c | 84 | } |
grzemich | 0:d7bd7384a37c | 85 | } else { |
grzemich | 0:d7bd7384a37c | 86 | if (connect_sts != 0) { |
grzemich | 0:d7bd7384a37c | 87 | tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1); |
grzemich | 0:d7bd7384a37c | 88 | link_mode_new = NEGO_FAIL; |
grzemich | 0:d7bd7384a37c | 89 | connect_sts = 0; |
grzemich | 0:d7bd7384a37c | 90 | } |
grzemich | 0:d7bd7384a37c | 91 | } |
grzemich | 0:d7bd7384a37c | 92 | link_mode_old = link_mode_new; |
grzemich | 0:d7bd7384a37c | 93 | osDelay(PHY_TASK_WAIT); |
grzemich | 0:d7bd7384a37c | 94 | } |
grzemich | 0:d7bd7384a37c | 95 | } |
grzemich | 0:d7bd7384a37c | 96 | |
grzemich | 0:d7bd7384a37c | 97 | static err_t rza1_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr) { |
grzemich | 0:d7bd7384a37c | 98 | /* Only send packet is link is up */ |
grzemich | 0:d7bd7384a37c | 99 | if (netif->flags & NETIF_FLAG_LINK_UP) { |
grzemich | 0:d7bd7384a37c | 100 | return etharp_output(netif, q, ipaddr); |
grzemich | 0:d7bd7384a37c | 101 | } |
grzemich | 0:d7bd7384a37c | 102 | |
grzemich | 0:d7bd7384a37c | 103 | return ERR_CONN; |
grzemich | 0:d7bd7384a37c | 104 | } |
grzemich | 0:d7bd7384a37c | 105 | |
grzemich | 0:d7bd7384a37c | 106 | static err_t rza1_low_level_output(struct netif *netif, struct pbuf *p) { |
grzemich | 0:d7bd7384a37c | 107 | struct pbuf *q; |
grzemich | 0:d7bd7384a37c | 108 | s32_t cnt; |
grzemich | 0:d7bd7384a37c | 109 | err_t err = ERR_MEM; |
grzemich | 0:d7bd7384a37c | 110 | s32_t write_size = 0; |
grzemich | 0:d7bd7384a37c | 111 | |
grzemich | 0:d7bd7384a37c | 112 | if ((p->payload != NULL) && (p->len != 0)) { |
grzemich | 0:d7bd7384a37c | 113 | /* If the first data can't be written, transmit descriptor is full. */ |
grzemich | 0:d7bd7384a37c | 114 | for (cnt = 0; cnt < 100; cnt++) { |
grzemich | 0:d7bd7384a37c | 115 | write_size = ethernet_write((char *)p->payload, p->len); |
grzemich | 0:d7bd7384a37c | 116 | if (write_size != 0) { |
grzemich | 0:d7bd7384a37c | 117 | break; |
grzemich | 0:d7bd7384a37c | 118 | } |
grzemich | 0:d7bd7384a37c | 119 | osDelay(1); |
grzemich | 0:d7bd7384a37c | 120 | } |
grzemich | 0:d7bd7384a37c | 121 | if (write_size != 0) { |
grzemich | 0:d7bd7384a37c | 122 | for (q = p->next; q != NULL; q = q->next) { |
grzemich | 0:d7bd7384a37c | 123 | (void)ethernet_write((char *)q->payload, q->len); |
grzemich | 0:d7bd7384a37c | 124 | } |
grzemich | 0:d7bd7384a37c | 125 | if (ethernet_send() == 1) { |
grzemich | 0:d7bd7384a37c | 126 | err = ERR_OK; |
grzemich | 0:d7bd7384a37c | 127 | } |
grzemich | 0:d7bd7384a37c | 128 | } |
grzemich | 0:d7bd7384a37c | 129 | } |
grzemich | 0:d7bd7384a37c | 130 | |
grzemich | 0:d7bd7384a37c | 131 | return err; |
grzemich | 0:d7bd7384a37c | 132 | } |
grzemich | 0:d7bd7384a37c | 133 | |
grzemich | 0:d7bd7384a37c | 134 | static void rza1_recv_callback(void) { |
grzemich | 0:d7bd7384a37c | 135 | sys_sem_signal(&recv_ready_sem); |
grzemich | 0:d7bd7384a37c | 136 | } |
grzemich | 0:d7bd7384a37c | 137 | |
grzemich | 0:d7bd7384a37c | 138 | err_t eth_arch_enetif_init(struct netif *netif) |
grzemich | 0:d7bd7384a37c | 139 | { |
grzemich | 0:d7bd7384a37c | 140 | ethernet_cfg_t ethcfg; |
grzemich | 0:d7bd7384a37c | 141 | |
grzemich | 0:d7bd7384a37c | 142 | /* set MAC hardware address */ |
grzemich | 0:d7bd7384a37c | 143 | #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE) |
grzemich | 0:d7bd7384a37c | 144 | netif->hwaddr[0] = MBED_MAC_ADDR_0; |
grzemich | 0:d7bd7384a37c | 145 | netif->hwaddr[1] = MBED_MAC_ADDR_1; |
grzemich | 0:d7bd7384a37c | 146 | netif->hwaddr[2] = MBED_MAC_ADDR_2; |
grzemich | 0:d7bd7384a37c | 147 | netif->hwaddr[3] = MBED_MAC_ADDR_3; |
grzemich | 0:d7bd7384a37c | 148 | netif->hwaddr[4] = MBED_MAC_ADDR_4; |
grzemich | 0:d7bd7384a37c | 149 | netif->hwaddr[5] = MBED_MAC_ADDR_5; |
grzemich | 0:d7bd7384a37c | 150 | #else |
grzemich | 0:d7bd7384a37c | 151 | mbed_mac_address((char *)netif->hwaddr); |
grzemich | 0:d7bd7384a37c | 152 | #endif |
grzemich | 0:d7bd7384a37c | 153 | netif->hwaddr_len = ETHARP_HWADDR_LEN; |
grzemich | 0:d7bd7384a37c | 154 | |
grzemich | 0:d7bd7384a37c | 155 | /* maximum transfer unit */ |
grzemich | 0:d7bd7384a37c | 156 | netif->mtu = 1500; |
grzemich | 0:d7bd7384a37c | 157 | |
grzemich | 0:d7bd7384a37c | 158 | /* device capabilities */ |
grzemich | 0:d7bd7384a37c | 159 | netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP; |
grzemich | 0:d7bd7384a37c | 160 | |
grzemich | 0:d7bd7384a37c | 161 | #if LWIP_NETIF_HOSTNAME |
grzemich | 0:d7bd7384a37c | 162 | /* Initialize interface hostname */ |
grzemich | 0:d7bd7384a37c | 163 | netif->hostname = "lwiprza1"; |
grzemich | 0:d7bd7384a37c | 164 | #endif /* LWIP_NETIF_HOSTNAME */ |
grzemich | 0:d7bd7384a37c | 165 | |
grzemich | 0:d7bd7384a37c | 166 | netif->name[0] = 'e'; |
grzemich | 0:d7bd7384a37c | 167 | netif->name[1] = 'n'; |
grzemich | 0:d7bd7384a37c | 168 | |
grzemich | 0:d7bd7384a37c | 169 | netif->output = rza1_etharp_output; |
grzemich | 0:d7bd7384a37c | 170 | netif->linkoutput = rza1_low_level_output; |
grzemich | 0:d7bd7384a37c | 171 | |
grzemich | 0:d7bd7384a37c | 172 | /* Initialize the hardware */ |
grzemich | 0:d7bd7384a37c | 173 | ethcfg.int_priority = 6; |
grzemich | 0:d7bd7384a37c | 174 | ethcfg.recv_cb = &rza1_recv_callback; |
grzemich | 0:d7bd7384a37c | 175 | ethcfg.ether_mac = (char *)netif->hwaddr; |
grzemich | 0:d7bd7384a37c | 176 | ethernetext_init(ðcfg); |
grzemich | 0:d7bd7384a37c | 177 | |
grzemich | 0:d7bd7384a37c | 178 | /* semaphore */ |
grzemich | 0:d7bd7384a37c | 179 | sys_sem_new(&recv_ready_sem, 0); |
grzemich | 0:d7bd7384a37c | 180 | |
grzemich | 0:d7bd7384a37c | 181 | /* task */ |
grzemich | 0:d7bd7384a37c | 182 | sys_thread_new("rza1_recv_task", rza1_recv_task, netif, DEFAULT_THREAD_STACKSIZE, RECV_TASK_PRI); |
grzemich | 0:d7bd7384a37c | 183 | sys_thread_new("rza1_phy_task", rza1_phy_task, netif, DEFAULT_THREAD_STACKSIZE, PHY_TASK_PRI); |
grzemich | 0:d7bd7384a37c | 184 | |
grzemich | 0:d7bd7384a37c | 185 | return ERR_OK; |
grzemich | 0:d7bd7384a37c | 186 | } |
grzemich | 0:d7bd7384a37c | 187 | |
grzemich | 0:d7bd7384a37c | 188 | void eth_arch_enable_interrupts(void) { |
grzemich | 0:d7bd7384a37c | 189 | ethernetext_start_stop(1); |
grzemich | 0:d7bd7384a37c | 190 | } |
grzemich | 0:d7bd7384a37c | 191 | |
grzemich | 0:d7bd7384a37c | 192 | void eth_arch_disable_interrupts(void) { |
grzemich | 0:d7bd7384a37c | 193 | ethernetext_start_stop(0); |
grzemich | 0:d7bd7384a37c | 194 | } |