[164] | 1 | /**
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| 2 | * @file
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| 3 | * Network Interface Sequential API module
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| 4 | *
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Redistribution and use in source and binary forms, with or without modification,
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| 9 | * are permitted provided that the following conditions are met:
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| 10 | *
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| 11 | * 1. Redistributions of source code must retain the above copyright notice,
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| 12 | * this list of conditions and the following disclaimer.
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 14 | * this list of conditions and the following disclaimer in the documentation
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| 15 | * and/or other materials provided with the distribution.
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| 16 | * 3. The name of the author may not be used to endorse or promote products
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| 17 | * derived from this software without specific prior written permission.
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| 18 | *
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 20 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 21 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 22 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 23 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 24 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 27 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 28 | * OF SUCH DAMAGE.
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| 29 | *
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| 30 | * This file is part of the lwIP TCP/IP stack.
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| 31 | *
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| 32 | */
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| 33 |
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| 34 | #include "lwip/opt.h"
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| 35 |
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| 36 | #if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
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| 37 |
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| 38 | #include "lwip/netifapi.h"
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| 39 | #include "lwip/tcpip.h"
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| 40 |
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| 41 | /**
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| 42 | * Call netif_add() inside the tcpip_thread context.
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| 43 | */
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| 44 | void
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| 45 | do_netifapi_netif_add(struct netifapi_msg_msg *msg)
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| 46 | {
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| 47 | if (!netif_add( msg->netif,
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| 48 | msg->msg.add.ipaddr,
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| 49 | msg->msg.add.netmask,
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| 50 | msg->msg.add.gw,
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| 51 | msg->msg.add.state,
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| 52 | msg->msg.add.init,
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| 53 | msg->msg.add.input)) {
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| 54 | msg->err = ERR_IF;
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| 55 | } else {
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| 56 | msg->err = ERR_OK;
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| 57 | }
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| 58 | TCPIP_NETIFAPI_ACK(msg);
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| 59 | }
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| 60 |
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| 61 | /**
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| 62 | * Call netif_set_addr() inside the tcpip_thread context.
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| 63 | */
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| 64 | void
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| 65 | do_netifapi_netif_set_addr(struct netifapi_msg_msg *msg)
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| 66 | {
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| 67 | netif_set_addr( msg->netif,
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| 68 | msg->msg.add.ipaddr,
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| 69 | msg->msg.add.netmask,
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| 70 | msg->msg.add.gw);
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| 71 | msg->err = ERR_OK;
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| 72 | TCPIP_NETIFAPI_ACK(msg);
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| 73 | }
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| 74 |
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| 75 | /**
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| 76 | * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the
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| 77 | * tcpip_thread context.
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| 78 | */
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| 79 | void
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| 80 | do_netifapi_netif_common(struct netifapi_msg_msg *msg)
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| 81 | {
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| 82 | if (msg->msg.common.errtfunc != NULL) {
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| 83 | msg->err = msg->msg.common.errtfunc(msg->netif);
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| 84 | } else {
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| 85 | msg->err = ERR_OK;
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| 86 | msg->msg.common.voidfunc(msg->netif);
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| 87 | }
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| 88 | TCPIP_NETIFAPI_ACK(msg);
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| 89 | }
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| 90 |
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| 91 | /**
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| 92 | * Call netif_add() in a thread-safe way by running that function inside the
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| 93 | * tcpip_thread context.
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| 94 | *
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| 95 | * @note for params @see netif_add()
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| 96 | */
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| 97 | err_t
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| 98 | netifapi_netif_add(struct netif *netif,
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| 99 | ip_addr_t *ipaddr,
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| 100 | ip_addr_t *netmask,
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| 101 | ip_addr_t *gw,
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| 102 | void *state,
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| 103 | netif_init_fn init,
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| 104 | netif_input_fn input)
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| 105 | {
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| 106 | struct netifapi_msg msg;
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| 107 | msg.function = do_netifapi_netif_add;
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| 108 | msg.msg.netif = netif;
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| 109 | msg.msg.msg.add.ipaddr = ipaddr;
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| 110 | msg.msg.msg.add.netmask = netmask;
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| 111 | msg.msg.msg.add.gw = gw;
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| 112 | msg.msg.msg.add.state = state;
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| 113 | msg.msg.msg.add.init = init;
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| 114 | msg.msg.msg.add.input = input;
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| 115 | TCPIP_NETIFAPI(&msg);
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| 116 | return msg.msg.err;
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| 117 | }
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| 118 |
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| 119 | /**
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| 120 | * Call netif_set_addr() in a thread-safe way by running that function inside the
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| 121 | * tcpip_thread context.
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| 122 | *
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| 123 | * @note for params @see netif_set_addr()
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| 124 | */
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| 125 | err_t
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| 126 | netifapi_netif_set_addr(struct netif *netif,
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| 127 | ip_addr_t *ipaddr,
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| 128 | ip_addr_t *netmask,
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| 129 | ip_addr_t *gw)
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| 130 | {
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| 131 | struct netifapi_msg msg;
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| 132 | msg.function = do_netifapi_netif_set_addr;
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| 133 | msg.msg.netif = netif;
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| 134 | msg.msg.msg.add.ipaddr = ipaddr;
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| 135 | msg.msg.msg.add.netmask = netmask;
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| 136 | msg.msg.msg.add.gw = gw;
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| 137 | TCPIP_NETIFAPI(&msg);
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| 138 | return msg.msg.err;
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| 139 | }
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| 140 |
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| 141 | /**
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| 142 | * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe
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| 143 | * way by running that function inside the tcpip_thread context.
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| 144 | *
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| 145 | * @note use only for functions where there is only "netif" parameter.
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| 146 | */
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| 147 | err_t
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| 148 | netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc,
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| 149 | netifapi_errt_fn errtfunc)
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| 150 | {
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| 151 | struct netifapi_msg msg;
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| 152 | msg.function = do_netifapi_netif_common;
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| 153 | msg.msg.netif = netif;
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| 154 | msg.msg.msg.common.voidfunc = voidfunc;
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| 155 | msg.msg.msg.common.errtfunc = errtfunc;
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| 156 | TCPIP_NETIFAPI(&msg);
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| 157 | return msg.msg.err;
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| 158 | }
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| 159 |
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| 160 | #endif /* LWIP_NETIF_API */
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