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Diffstat (limited to '')
| -rw-r--r-- | src/modules/module-avb/internal.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/modules/module-avb/internal.h b/src/modules/module-avb/internal.h new file mode 100644 index 0000000..9d29d92 --- /dev/null +++ b/src/modules/module-avb/internal.h @@ -0,0 +1,166 @@ +/* PipeWire + * + * Copyright © 2022 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef AVB_INTERNAL_H +#define AVB_INTERNAL_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <pipewire/pipewire.h> + +struct server; +struct avb_mrp; + +#define AVB_TSN_ETH 0x22f0 +#define AVB_BROADCAST_MAC { 0x91, 0xe0, 0xf0, 0x01, 0x00, 0x00 }; + +struct impl { + struct pw_loop *loop; + struct pw_context *context; + struct spa_hook context_listener; + struct pw_core *core; + unsigned do_disconnect:1; + + struct pw_properties *props; + + struct spa_list servers; +}; + +struct server_events { +#define AVB_VERSION_SERVER_EVENTS 0 + uint32_t version; + + /** the server is destroyed */ + void (*destroy) (void *data); + + int (*message) (void *data, uint64_t now, const void *message, int len); + + void (*periodic) (void *data, uint64_t now); + + int (*command) (void *data, uint64_t now, const char *command, const char *args, FILE *out); +}; + +struct descriptor { + struct spa_list link; + uint16_t type; + uint16_t index; + uint32_t size; + void *ptr; +}; + +struct server { + struct spa_list link; + struct impl *impl; + + char *ifname; + uint8_t mac_addr[6]; + uint64_t entity_id; + int ifindex; + + struct spa_source *source; + struct spa_source *timer; + + struct spa_hook_list listener_list; + + struct spa_list descriptors; + struct spa_list streams; + + unsigned debug_messages:1; + + struct avb_mrp *mrp; + struct avb_mmrp *mmrp; + struct avb_mvrp *mvrp; + struct avb_msrp *msrp; + struct avb_maap *maap; + + struct avb_msrp_attribute *domain_attr; +}; + +#include "stream.h" + +static inline const struct descriptor *server_find_descriptor(struct server *server, + uint16_t type, uint16_t index) +{ + struct descriptor *d; + spa_list_for_each(d, &server->descriptors, link) { + if (d->type == type && + d->index == index) + return d; + } + return NULL; +} +static inline void *server_add_descriptor(struct server *server, + uint16_t type, uint16_t index, size_t size, void *ptr) +{ + struct descriptor *d; + + if ((d = calloc(1, sizeof(struct descriptor) + size)) == NULL) + return NULL; + + d->type = type; + d->index = index; + d->size = size; + d->ptr = SPA_PTROFF(d, sizeof(struct descriptor), void); + if (ptr) + memcpy(d->ptr, ptr, size); + spa_list_append(&server->descriptors, &d->link); + return d->ptr; +} + +static inline struct stream *server_find_stream(struct server *server, + enum spa_direction direction, uint16_t index) +{ + struct stream *s; + spa_list_for_each(s, &server->streams, link) { + if (s->direction == direction && + s->index == index) + return s; + } + return NULL; +} + +struct server *avdecc_server_new(struct impl *impl, struct spa_dict *props); +void avdecc_server_free(struct server *server); + +void avdecc_server_add_listener(struct server *server, struct spa_hook *listener, + const struct server_events *events, void *data); + +int avb_server_make_socket(struct server *server, uint16_t type, const uint8_t mac[6]); + +int avb_server_send_packet(struct server *server, const uint8_t dest[6], + uint16_t type, void *data, size_t size); + +struct aecp { + struct server *server; + struct spa_hook server_listener; +}; + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* AVB_INTERNAL_H */ |