#ifndef SOUND_FIREWIRE_CMP_H_INCLUDED #define SOUND_FIREWIRE_CMP_H_INCLUDED #include #include #include "iso-resources.h" struct fw_unit; enum cmp_direction { CMP_INPUT = 0, CMP_OUTPUT, }; /** * struct cmp_connection - manages an isochronous connection to a device * @speed: the connection's actual speed * * This structure manages (using CMP) an isochronous stream between the local * computer and a device's input plug (iPCR) and output plug (oPCR). * * There is no corresponding oPCR created on the local computer, so it is not * possible to overlay connections on top of this one. */ struct cmp_connection { int speed; /* private: */ bool connected; struct mutex mutex; struct fw_iso_resources resources; __be32 last_pcr_value; unsigned int pcr_index; unsigned int max_speed; enum cmp_direction direction; }; int cmp_connection_init(struct cmp_connection *connection, struct fw_unit *unit, enum cmp_direction direction, unsigned int pcr_index); int cmp_connection_check_used(struct cmp_connection *connection, bool *used); void cmp_connection_destroy(struct cmp_connection *connection); int cmp_connection_establish(struct cmp_connection *connection, unsigned int max_payload); int cmp_connection_update(struct cmp_connection *connection); void cmp_connection_break(struct cmp_connection *connection); #endif umbingsTobias Klauser

path: root/net/ipv6/ip6mr.c

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