3 * - By John Hodge (thePowersGang)
6 * - "Network Service Requester" (UDI->IP Translation)
12 #include <trans_nsr.h>
13 #include <IPStack/include/adapters_api.h>
14 #include <workqueue.h>
16 #define NUM_RX_BUFFERS 4
17 #define NUM_TX_DESCS 4
20 ACESSNSR_OPS_CTRL = 1,
34 typedef struct acessnsr_txdesc_s
39 tIPStackBuffer *IPBuffer;
44 udi_init_context_t init_context;
48 udi_buf_t *rx_buffers[NUM_RX_BUFFERS];
49 udi_nic_rx_cb_t *rx_cbs[NUM_RX_BUFFERS];
53 tIPStack_AdapterType AdapterType;
56 tWorkqueue TXWorkQueue;
57 acessnsr_txdesc_t TXDescs[NUM_TX_DESCS];
59 udi_channel_t rx_channel;
60 udi_channel_t tx_channel;
64 // --- Management metalang
65 void acessnsr_usage_ind(udi_usage_cb_t *cb, udi_ubit8_t resource_level);
66 void acessnsr_devmgmt_req(udi_mgmt_cb_t *cb, udi_ubit8_t mgmt_op, udi_ubit8_t parent_ID);
67 void acessnsr_final_cleanup_req(udi_mgmt_cb_t *cb);
69 void acessnsr_ctrl_channel_event_ind(udi_channel_event_cb_t *cb);
70 void acessnsr_ctrl_ch_ev_ind__rx_channel_spawned(udi_cb_t *gcb, udi_channel_t channel);
71 void acessnsr_ctrl_ch_ev_ind__tx_channel_spawned(udi_cb_t *gcb, udi_channel_t channel);
72 void acessnsr_ctrl_bind_ack(udi_nic_bind_cb_t *cb, udi_status_t status);
73 void acessnsr_ctrl_bind_ack__rx_buf_allocated(udi_cb_t *gcb, udi_buf_t *new_buf);
74 void acessnsr_ctrl_bind_ack__rx_cb_allocated(udi_cb_t *gcb, udi_cb_t *new_cb);
75 void acessnsr_ctrl_bind_ack__tx_cb_allocated(udi_cb_t *gcb, udi_cb_t *new_cb);
76 void acessnsr_ctrl_unbind_ack(udi_nic_cb_t *cb, udi_status_t status);
77 void acessnsr_ctrl_enable_ack(udi_nic_cb_t *cb, udi_status_t status);
78 void acessnsr_ctrl_disable_ack(udi_nic_cb_t *cb, udi_status_t status);
79 void acessnsr_ctrl_ctrl_ack(udi_nic_ctrl_cb_t *cb, udi_status_t status);
80 void acessnsr_ctrl_status_ind(udi_nic_status_cb_t *cb);
81 void acessnsr_ctrl_info_ack(udi_nic_info_cb_t *cb);
83 void acessnsr_tx_channel_event_ind(udi_channel_event_cb_t *cb);
84 void acessnsr_tx_rdy(udi_nic_tx_cb_t *cb);
85 void acessnsr_tx_rdy__buffer_cleared(udi_cb_t *gcb, udi_buf_t *buf);
87 void acessnsr_rx_channel_event_ind(udi_channel_event_cb_t *cb);
88 void acessnsr_rx_ind(udi_nic_rx_cb_t *cb);
89 void acessnsr_rx_exp_ind(udi_nic_rx_cb_t *cb);
91 int acessnsr_SendPacket(void *Card, tIPStackBuffer *Buffer);
92 void acessnsr_SendPacket__buf_write_complete(udi_cb_t *gcb, udi_buf_t *buf);
93 tIPStackBuffer *acessnsr_WaitForPacket(void *Card);
96 // --- Management metalang
97 void acessnsr_usage_ind(udi_usage_cb_t *cb, udi_ubit8_t resource_level)
99 acessnsr_rdata_t *rdata = UDI_GCB(cb)->context;
100 switch(resource_level)
104 Workqueue_Init(&rdata->RXQueue, "AcessNSR RX", offsetof(udi_nic_rx_cb_t, chain));
105 Workqueue_Init(&rdata->TXWorkQueue, "AcessNSR TX", offsetof(udi_nic_tx_cb_t, chain));
109 void acessnsr_devmgmt_req(udi_mgmt_cb_t *cb, udi_ubit8_t mgmt_op, udi_ubit8_t parent_ID)
113 void acessnsr_final_cleanup_req(udi_mgmt_cb_t *cb)
118 void acessnsr_ctrl_channel_event_ind(udi_channel_event_cb_t *cb)
120 acessnsr_rdata_t *rdata = UDI_GCB(cb)->context;
123 case UDI_CHANNEL_CLOSED:
125 case UDI_CHANNEL_BOUND: {
126 rdata->active_cb = UDI_GCB(cb);
127 udi_channel_spawn(acessnsr_ctrl_ch_ev_ind__rx_channel_spawned,
128 cb->params.parent_bound.bind_cb, UDI_GCB(cb)->channel,
129 1, ACESSNSR_OPS_RX, rdata);
134 void acessnsr_ctrl_ch_ev_ind__rx_channel_spawned(udi_cb_t *gcb, udi_channel_t channel)
136 acessnsr_rdata_t *rdata = gcb->context;
137 rdata->rx_channel = channel;
138 udi_channel_spawn(acessnsr_ctrl_ch_ev_ind__tx_channel_spawned, gcb, gcb->channel,
139 2, ACESSNSR_OPS_TX, rdata);
142 void acessnsr_ctrl_ch_ev_ind__tx_channel_spawned(udi_cb_t *gcb, udi_channel_t channel)
144 acessnsr_rdata_t *rdata = gcb->context;
145 rdata->tx_channel = channel;
146 udi_nic_bind_cb_t *bind_cb = UDI_MCB(gcb, udi_nic_bind_cb_t);
147 udi_nd_bind_req(bind_cb, 2, 1);
150 void acessnsr_ctrl_bind_ack(udi_nic_bind_cb_t *cb, udi_status_t status)
152 acessnsr_rdata_t *rdata = UDI_GCB(cb)->context;
153 // TODO: Parse cb and register with IPStack
154 // - Pass on capabilities and media type
155 switch(cb->media_type)
157 case UDI_NIC_ETHER: rdata->AdapterType.Type = ADAPTERTYPE_ETHERNET_10M; break;
158 case UDI_NIC_FASTETHER: rdata->AdapterType.Type = ADAPTERTYPE_ETHERNET_100M; break;
159 case UDI_NIC_GIGETHER: rdata->AdapterType.Type = ADAPTERTYPE_ETHERNET_1G; break;
161 udi_channel_event_complete( UDI_MCB(rdata->active_cb,udi_channel_event_cb_t), UDI_OK );
165 if(cb->capabilities & UDI_NIC_CAP_TX_IP_CKSUM)
166 rdata->AdapterType.Flags |= ADAPTERFLAG_OFFLOAD_IP4;
167 if(cb->capabilities & UDI_NIC_CAP_TX_TCP_CKSUM)
168 rdata->AdapterType.Flags |= ADAPTERFLAG_OFFLOAD_TCP;
169 if(cb->capabilities & UDI_NIC_CAP_TX_UDP_CKSUM)
170 rdata->AdapterType.Flags |= ADAPTERFLAG_OFFLOAD_UDP;
172 rdata->AdapterType.Name = "udi";
173 rdata->AdapterType.SendPacket = acessnsr_SendPacket;
174 rdata->AdapterType.WaitForPacket = acessnsr_WaitForPacket;
176 rdata->ipstack_handle = IPStack_Adapter_Add(&rdata->AdapterType, rdata, cb->mac_addr);
178 // Allocate RX CBs and buffers
179 rdata->init_idx = -1;
180 acessnsr_ctrl_bind_ack__rx_buf_allocated(rdata->active_cb, NULL);
183 void acessnsr_ctrl_bind_ack__rx_buf_allocated(udi_cb_t *gcb, udi_buf_t *new_buf)
185 acessnsr_rdata_t *rdata = gcb->context;
186 if( rdata->init_idx != (udi_index_t)-1 )
188 rdata->rx_buffers[rdata->init_idx] = new_buf;
191 if( rdata->init_idx < NUM_RX_BUFFERS )
193 UDI_BUF_ALLOC(acessnsr_ctrl_bind_ack__rx_buf_allocated, gcb, NULL, 0, NULL);
198 rdata->init_idx = -1;
199 acessnsr_ctrl_bind_ack__rx_cb_allocated(gcb, NULL);
201 void acessnsr_ctrl_bind_ack__rx_cb_allocated(udi_cb_t *gcb, udi_cb_t *new_cb)
203 acessnsr_rdata_t *rdata = gcb->context;
204 if( rdata->init_idx != (udi_index_t)-1 )
206 udi_nic_rx_cb_t *cb = UDI_MCB(new_cb, udi_nic_rx_cb_t);
207 rdata->rx_cbs[rdata->init_idx] = cb;
208 cb->rx_buf = rdata->rx_buffers[rdata->init_idx];
212 if( rdata->init_idx < NUM_RX_BUFFERS )
214 udi_cb_alloc(acessnsr_ctrl_bind_ack__rx_cb_allocated, gcb, ACESSNSR_CB_RX, rdata->rx_channel);
218 rdata->init_idx = -1;
219 acessnsr_ctrl_bind_ack__tx_cb_allocated(gcb, NULL);
222 void acessnsr_ctrl_bind_ack__tx_cb_allocated(udi_cb_t *gcb, udi_cb_t *new_cb)
224 acessnsr_rdata_t *rdata = gcb->context;
225 if( rdata->init_idx != (udi_index_t)-1 )
227 //udi_assert(new_cb);
229 Workqueue_AddWork( &rdata->TXWorkQueue, UDI_MCB(new_cb, udi_nic_tx_cb_t) );
232 if( rdata->init_idx < NUM_TX_DESCS )
234 udi_cb_alloc(acessnsr_ctrl_bind_ack__tx_cb_allocated, gcb, ACESSNSR_CB_TX, rdata->tx_channel);
238 udi_channel_event_complete( UDI_MCB(rdata->active_cb,udi_channel_event_cb_t), UDI_OK );
241 void acessnsr_ctrl_unbind_ack(udi_nic_cb_t *cb, udi_status_t status)
245 void acessnsr_ctrl_enable_ack(udi_nic_cb_t *cb, udi_status_t status)
249 void acessnsr_ctrl_disable_ack(udi_nic_cb_t *cb, udi_status_t status)
253 void acessnsr_ctrl_ctrl_ack(udi_nic_ctrl_cb_t *cb, udi_status_t status)
257 void acessnsr_ctrl_status_ind(udi_nic_status_cb_t *cb)
261 void acessnsr_ctrl_info_ack(udi_nic_info_cb_t *cb)
266 void acessnsr_tx_channel_event_ind(udi_channel_event_cb_t *cb)
270 void acessnsr_tx_rdy(udi_nic_tx_cb_t *cb)
272 //acessnsr_txdesc_t *tx = UDI_GCB(cb)->context;
273 // TODO: Can errors be detected here?
274 UDI_BUF_DELETE(acessnsr_tx_rdy__buffer_cleared, UDI_GCB(cb), cb->tx_buf->buf_size, cb->tx_buf, 0);
276 void acessnsr_tx_rdy__buffer_cleared(udi_cb_t *gcb, udi_buf_t *buf)
278 acessnsr_txdesc_t *tx = gcb->scratch;
279 udi_nic_tx_cb_t *cb = UDI_MCB(gcb, udi_nic_tx_cb_t);
281 Mutex_Release(&tx->CompleteMutex); // triggers acessnsr_SendPacket
284 void acessnsr_rx_channel_event_ind(udi_channel_event_cb_t *cb)
288 void acessnsr_rx_ind(udi_nic_rx_cb_t *cb)
290 acessnsr_rdata_t *rdata = UDI_GCB(cb)->context;
291 udi_nic_rx_cb_t *next;
294 Workqueue_AddWork(&rdata->RXQueue, cb);
295 } while( (cb = next) );
297 void acessnsr_rx_exp_ind(udi_nic_rx_cb_t *cb)
303 int acessnsr_SendPacket(void *Card, tIPStackBuffer *Buffer)
305 acessnsr_rdata_t *rdata = Card;
306 udi_nic_tx_cb_t *cb = Workqueue_GetWork(&rdata->TXWorkQueue);
308 acessnsr_txdesc_t *tx = UDI_GCB(cb)->scratch;
311 Mutex_Acquire(&tx->CompleteMutex);
312 tx->IPBuffer = Buffer;
314 acessnsr_SendPacket__buf_write_complete(UDI_GCB(cb), NULL);
316 // Double lock is resolved once TX is complete
317 Mutex_Acquire(&tx->CompleteMutex);
318 Mutex_Release(&tx->CompleteMutex);
321 Workqueue_AddWork(&rdata->TXWorkQueue, tx);
324 void acessnsr_SendPacket__buf_write_complete(udi_cb_t *gcb, udi_buf_t *buf)
326 acessnsr_txdesc_t *tx = gcb->scratch;
327 udi_nic_tx_cb_t *cb = UDI_MCB(gcb, udi_nic_tx_cb_t);
328 if( tx->BufIdx >= 0 ) {
333 if( (tx->BufIdx = IPStack_Buffer_GetBuffer(tx->IPBuffer, tx->BufIdx, &buflen, &bufptr )) != -1 )
335 udi_buf_write(acessnsr_SendPacket__buf_write_complete, gcb,
336 bufptr, buflen, cb->tx_buf, (cb->tx_buf ? cb->tx_buf->buf_size : 0), 0, NULL);
342 // continued in acessnsr_tx_rdy
344 void _FreeHeapSubBuf(void *Arg, size_t Pre, size_t Post, const void *DataBuf)
348 tIPStackBuffer *acessnsr_WaitForPacket(void *Card)
350 acessnsr_rdata_t *rdata = Card;
351 udi_nic_rx_cb_t *cb = Workqueue_GetWork(&rdata->RXQueue);
353 tIPStackBuffer *ret = IPStack_Buffer_CreateBuffer(1);
354 void *data = malloc( cb->rx_buf->buf_size );
355 udi_buf_read(cb->rx_buf, 0, cb->rx_buf->buf_size, data);
356 IPStack_Buffer_AppendSubBuffer(ret, cb->rx_buf->buf_size, 0, data, _FreeHeapSubBuf, data);
362 // === UDI Bindings ===
363 udi_mgmt_ops_t acessnsr_mgmt_ops = {
365 udi_enumerate_no_children,
366 acessnsr_devmgmt_req,
367 acessnsr_final_cleanup_req
369 udi_ubit8_t acessnsr_mgmt_ops_flags[4] = {0,0,0,0};
371 udi_primary_init_t acessnsr_pri_init = {
372 .mgmt_ops = &acessnsr_mgmt_ops,
373 .mgmt_op_flags = acessnsr_mgmt_ops_flags,
374 .mgmt_scratch_requirement = 0,
375 .enumeration_attr_list_length = 4,
376 .rdata_size = sizeof(acessnsr_rdata_t),
377 .child_data_size = 0,
378 .per_parent_paths = 0
381 udi_nsr_ctrl_ops_t acessnsr_ctrl_ops = {
382 acessnsr_ctrl_channel_event_ind,
383 acessnsr_ctrl_bind_ack,
384 acessnsr_ctrl_unbind_ack,
385 acessnsr_ctrl_enable_ack,
386 acessnsr_ctrl_ctrl_ack,
387 acessnsr_ctrl_info_ack,
388 acessnsr_ctrl_status_ind
390 udi_ubit8_t acessnsr_ctrl_op_flags[7] = {0};
392 udi_nsr_tx_ops_t acessnsr_tx_ops = {
393 acessnsr_tx_channel_event_ind,
396 udi_ubit8_t acessnsr_tx_ops_flags[2] = {0};
398 udi_nsr_rx_ops_t acessnsr_rx_ops = {
399 acessnsr_rx_channel_event_ind,
403 udi_ubit8_t acessnsr_rx_ops_flags[3] = {0};
405 udi_ops_init_t acessnsr_ops_list[] = {
407 ACESSNSR_OPS_CTRL, ACESSNSR_META_NIC, UDI_NSR_CTRL_OPS_NUM,
408 0, (udi_ops_vector_t*)&acessnsr_ctrl_ops, acessnsr_ctrl_op_flags
411 ACESSNSR_OPS_TX, ACESSNSR_META_NIC, UDI_NSR_TX_OPS_NUM,
412 0, (udi_ops_vector_t*)&acessnsr_tx_ops, acessnsr_tx_ops_flags
415 ACESSNSR_OPS_RX, ACESSNSR_META_NIC, UDI_NSR_RX_OPS_NUM,
416 0, (udi_ops_vector_t*)&acessnsr_rx_ops, acessnsr_rx_ops_flags
420 udi_cb_init_t acessnsr_cb_init_list[] = {
421 {ACESSNSR_CB_CTRL, ACESSNSR_META_NIC, UDI_NIC_BIND_CB_NUM, 0, 0,NULL},
422 {ACESSNSR_CB_RX, ACESSNSR_META_NIC, UDI_NIC_RX_CB_NUM, 0, 0,NULL},
423 {ACESSNSR_CB_TX, ACESSNSR_META_NIC, UDI_NIC_TX_CB_NUM, sizeof(acessnsr_txdesc_t), 0,NULL},
426 const udi_init_t acessnsr_init = {
427 .primary_init_info = &acessnsr_pri_init,
428 .ops_init_list = acessnsr_ops_list,
429 .cb_init_list = acessnsr_cb_init_list,
431 const char acessnsr_udiprops[] =
432 "properties_version 0x101\0"
433 "message 1 Acess2 Kernel\0"
435 "message 3 Acess2 NSR\0"
440 "shortname acessnsr\0"
441 "requires udi 0x101\0"
442 "requires udi_nic 0x101\0"
444 "message 101 Ethernet Adapter\0"
445 "device 101 1 if_media string eth\0"
446 "parent_bind_ops 1 0 1 1\0"
448 size_t acessnsr_udiprops_size = sizeof(acessnsr_udiprops);