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sfxge(4): document the event type for CTPIO sends

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Document the TX_EV_TYPE used for TX completion events corresponding
to CTPIO sends.

Submitted by:   Andy Moreton <amoreton at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18206
This commit is contained in:
Andrew Rybchenko 2018-11-28 09:24:25 +00:00
parent 4db0da6420
commit a9abe8d9e9
1 changed files with 4 additions and 0 deletions
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4
sys/dev/sfxge/common/efx_regs_mcdi.h
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@ -6751,6 +6751,10 @@
#define TX_TIMESTAMP_EVENT_TX_EV_TYPE_LEN 1
/* enum: This is a TX completion event, not a timestamp */
#define TX_TIMESTAMP_EVENT_TX_EV_COMPLETION 0x0
/* enum: This is a TX completion event for a CTPIO transmit. The event format
* is the same as for TX_EV_COMPLETION.
*/
#define TX_TIMESTAMP_EVENT_TX_EV_CTPIO_COMPLETION 0x11
/* enum: This is the low part of a TX timestamp event */
#define TX_TIMESTAMP_EVENT_TX_EV_TSTAMP_LO 0x51
/* enum: This is the high part of a TX timestamp event */