avb: avbtp -> avb

src/modules/module-avb/internal.h

@@ -0,0 +1,147 @@
+/* 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>
+
+#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_properties *props;
+	struct pw_work_queue *work_queue;
+
+	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;
+
+	unsigned debug_messages:1;
+
+	struct avb_mrp *mrp;
+	struct avb_mmrp *mmrp;
+	struct avb_mvrp *mvrp;
+	struct avb_msrp *msrp;
+
+	struct avb_msrp_attribute *domain_attr;
+	struct avb_msrp_attribute *listener_attr;
+};
+
+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;
+}
+
+struct server *avdecc_server_new(struct impl *impl, const char *ifname, 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_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 */