Re: [TSN RFC v2 5/9] Add TSN header for the driver

From: Richard Cochran
Date: Fri Dec 16 2016 - 17:10:07 EST


On Fri, Dec 16, 2016 at 06:59:09PM +0100, henrik@xxxxxxxxx wrote:
> +/*
> + * List of current subtype fields in the common header of AVTPDU
> + *
> + * Note: AVTPDU is a remnant of the standards from when it was AVB.
> + *
> + * The list has been updated with the recent values from IEEE 1722, draft 16.
> + */
> +enum avtp_subtype {
> + TSN_61883_IIDC = 0, /* IEC 61883/IIDC Format */
> + TSN_MMA_STREAM, /* MMA Streams */
> + TSN_AAF, /* AVTP Audio Format */
> + TSN_CVF, /* Compressed Video Format */
> + TSN_CRF, /* Clock Reference Format */
> + TSN_TSCF, /* Time-Synchronous Control Format */
> + TSN_SVF, /* SDI Video Format */
> + TSN_RVF, /* Raw Video Format */
> + /* 0x08 - 0x6D reserved */
> + TSN_AEF_CONTINOUS = 0x6e, /* AES Encrypted Format Continous */
> + TSN_VSF_STREAM, /* Vendor Specific Format Stream */
> + /* 0x70 - 0x7e reserved */
> + TSN_EF_STREAM = 0x7f, /* Experimental Format Stream */
> + /* 0x80 - 0x81 reserved */
> + TSN_NTSCF = 0x82, /* Non Time-Synchronous Control Format */
> + /* 0x83 - 0xed reserved */
> + TSN_ESCF = 0xec, /* ECC Signed Control Format */
> + TSN_EECF, /* ECC Encrypted Control Format */
> + TSN_AEF_DISCRETE, /* AES Encrypted Format Discrete */
> + /* 0xef - 0xf9 reserved */
> + TSN_ADP = 0xfa, /* AVDECC Discovery Protocol */
> + TSN_AECP, /* AVDECC Enumeration and Control Protocol */
> + TSN_ACMP, /* AVDECC Connection Management Protocol */
> + /* 0xfd reserved */
> + TSN_MAAP = 0xfe, /* MAAP Protocol */
> + TSN_EF_CONTROL, /* Experimental Format Control */
> +};

The kernel shouldn't be in the business of assembling media packets.

Thanks,
Richard