93 static void tb_pci_init_path(struct tb_path *path)  in tb_pci_init_path()  argument
95 	path->egress_fc_enable = TB_PATH_SOURCE | TB_PATH_INTERNAL;  in tb_pci_init_path()
96 	path->egress_shared_buffer = TB_PATH_NONE;  in tb_pci_init_path()
97 	path->ingress_fc_enable = TB_PATH_ALL;  in tb_pci_init_path()
98 	path->ingress_shared_buffer = TB_PATH_NONE;  in tb_pci_init_path()
99 	path->priority = 3;  in tb_pci_init_path()
100 	path->weight = 1;  in tb_pci_init_path()
101 	path->drop_packages = 0;  in tb_pci_init_path()
102 	path->nfc_credits = 0;  in tb_pci_init_path()
103 	path->hops[0].initial_credits = 7;  in tb_pci_init_path()
104 	path->hops[1].initial_credits = 16;  in tb_pci_init_path()
119 	struct tb_path *path;  in tb_tunnel_discover_pci()  local
136 	path = tb_path_discover(down, TB_PCI_HOPID, NULL, -1,  in tb_tunnel_discover_pci()
138 	if (!path) {  in tb_tunnel_discover_pci()
143 	tunnel->paths[TB_PCI_PATH_UP] = path;  in tb_tunnel_discover_pci()
146 	path = tb_path_discover(tunnel->dst_port, -1, down, TB_PCI_HOPID, NULL,  in tb_tunnel_discover_pci()
148 	if (!path)  in tb_tunnel_discover_pci()
150 	tunnel->paths[TB_PCI_PATH_DOWN] = path;  in tb_tunnel_discover_pci()
197 	struct tb_path *path;  in tb_tunnel_alloc_pci()  local
207 	path = tb_path_alloc(tb, down, TB_PCI_HOPID, up, TB_PCI_HOPID, 0,  in tb_tunnel_alloc_pci()
209 	if (!path) {  in tb_tunnel_alloc_pci()
213 	tb_pci_init_path(path);  in tb_tunnel_alloc_pci()
214 	tunnel->paths[TB_PCI_PATH_DOWN] = path;  in tb_tunnel_alloc_pci()
216 	path = tb_path_alloc(tb, up, TB_PCI_HOPID, down, TB_PCI_HOPID, 0,  in tb_tunnel_alloc_pci()
218 	if (!path) {  in tb_tunnel_alloc_pci()
222 	tb_pci_init_path(path);  in tb_tunnel_alloc_pci()
223 	tunnel->paths[TB_PCI_PATH_UP] = path;  in tb_tunnel_alloc_pci()
300 static void tb_dp_init_aux_path(struct tb_path *path)  in tb_dp_init_aux_path()  argument
304 	path->egress_fc_enable = TB_PATH_SOURCE | TB_PATH_INTERNAL;  in tb_dp_init_aux_path()
305 	path->egress_shared_buffer = TB_PATH_NONE;  in tb_dp_init_aux_path()
306 	path->ingress_fc_enable = TB_PATH_ALL;  in tb_dp_init_aux_path()
307 	path->ingress_shared_buffer = TB_PATH_NONE;  in tb_dp_init_aux_path()
308 	path->priority = 2;  in tb_dp_init_aux_path()
309 	path->weight = 1;  in tb_dp_init_aux_path()
311 	for (i = 0; i < path->path_length; i++)  in tb_dp_init_aux_path()
312 		path->hops[i].initial_credits = 1;  in tb_dp_init_aux_path()
315 static void tb_dp_init_video_path(struct tb_path *path, bool discover)  in tb_dp_init_video_path()  argument
317 	u32 nfc_credits = path->hops[0].in_port->config.nfc_credits;  in tb_dp_init_video_path()
319 	path->egress_fc_enable = TB_PATH_NONE;  in tb_dp_init_video_path()
320 	path->egress_shared_buffer = TB_PATH_NONE;  in tb_dp_init_video_path()
321 	path->ingress_fc_enable = TB_PATH_NONE;  in tb_dp_init_video_path()
322 	path->ingress_shared_buffer = TB_PATH_NONE;  in tb_dp_init_video_path()
323 	path->priority = 1;  in tb_dp_init_video_path()
324 	path->weight = 1;  in tb_dp_init_video_path()
327 		path->nfc_credits = nfc_credits & TB_PORT_NFC_CREDITS_MASK;  in tb_dp_init_video_path()
334 		path->nfc_credits = min(max_credits - 2, 12U);  in tb_dp_init_video_path()
353 	struct tb_path *path;  in tb_tunnel_discover_dp()  local
366 	path = tb_path_discover(in, TB_DP_VIDEO_HOPID, NULL, -1,  in tb_tunnel_discover_dp()
368 	if (!path) {  in tb_tunnel_discover_dp()
373 	tunnel->paths[TB_DP_VIDEO_PATH_OUT] = path;  in tb_tunnel_discover_dp()
376 	path = tb_path_discover(in, TB_DP_AUX_TX_HOPID, NULL, -1, NULL, "AUX TX");  in tb_tunnel_discover_dp()
377 	if (!path)  in tb_tunnel_discover_dp()
379 	tunnel->paths[TB_DP_AUX_PATH_OUT] = path;  in tb_tunnel_discover_dp()
382 	path = tb_path_discover(tunnel->dst_port, -1, in, TB_DP_AUX_RX_HOPID,  in tb_tunnel_discover_dp()
384 	if (!path)  in tb_tunnel_discover_dp()
386 	tunnel->paths[TB_DP_AUX_PATH_IN] = path;  in tb_tunnel_discover_dp()
433 	struct tb_path *path;  in tb_tunnel_alloc_dp()  local
449 	path = tb_path_alloc(tb, in, TB_DP_VIDEO_HOPID, out, TB_DP_VIDEO_HOPID,  in tb_tunnel_alloc_dp()
451 	if (!path)  in tb_tunnel_alloc_dp()
453 	tb_dp_init_video_path(path, false);  in tb_tunnel_alloc_dp()
454 	paths[TB_DP_VIDEO_PATH_OUT] = path;  in tb_tunnel_alloc_dp()
456 	path = tb_path_alloc(tb, in, TB_DP_AUX_TX_HOPID, out,  in tb_tunnel_alloc_dp()
458 	if (!path)  in tb_tunnel_alloc_dp()
460 	tb_dp_init_aux_path(path);  in tb_tunnel_alloc_dp()
461 	paths[TB_DP_AUX_PATH_OUT] = path;  in tb_tunnel_alloc_dp()
463 	path = tb_path_alloc(tb, out, TB_DP_AUX_RX_HOPID, in,  in tb_tunnel_alloc_dp()
465 	if (!path)  in tb_tunnel_alloc_dp()
467 	tb_dp_init_aux_path(path);  in tb_tunnel_alloc_dp()
468 	paths[TB_DP_AUX_PATH_IN] = path;  in tb_tunnel_alloc_dp()
495 static void tb_dma_init_path(struct tb_path *path, unsigned int isb,  in tb_dma_init_path()  argument
500 	path->egress_fc_enable = efc;  in tb_dma_init_path()
501 	path->ingress_fc_enable = TB_PATH_ALL;  in tb_dma_init_path()
502 	path->egress_shared_buffer = TB_PATH_NONE;  in tb_dma_init_path()
503 	path->ingress_shared_buffer = isb;  in tb_dma_init_path()
504 	path->priority = 5;  in tb_dma_init_path()
505 	path->weight = 1;  in tb_dma_init_path()
506 	path->clear_fc = true;  in tb_dma_init_path()
508 	for (i = 0; i < path->path_length; i++)  in tb_dma_init_path()
509 		path->hops[i].initial_credits = credits;  in tb_dma_init_path()
532 	struct tb_path *path;  in tb_tunnel_alloc_dma()  local
545 	path = tb_path_alloc(tb, dst, receive_path, nhi, receive_ring, 0, "DMA RX");  in tb_tunnel_alloc_dma()
546 	if (!path) {  in tb_tunnel_alloc_dma()
550 	tb_dma_init_path(path, TB_PATH_NONE, TB_PATH_SOURCE | TB_PATH_INTERNAL,  in tb_tunnel_alloc_dma()
552 	tunnel->paths[TB_DMA_PATH_IN] = path;  in tb_tunnel_alloc_dma()
554 	path = tb_path_alloc(tb, nhi, transmit_ring, dst, transmit_path, 0, "DMA TX");  in tb_tunnel_alloc_dma()
555 	if (!path) {  in tb_tunnel_alloc_dma()
559 	tb_dma_init_path(path, TB_PATH_SOURCE, TB_PATH_ALL, credits);  in tb_tunnel_alloc_dma()
560 	tunnel->paths[TB_DMA_PATH_OUT] = path;  in tb_tunnel_alloc_dma()