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sfxge(4): expand on comment on number of queues field

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Expand on comment on RSS_CONTEXT_ALLOC_IN_NUM_QUEUES field.

Submitted by:   Mark Spender <mspender at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18127
This commit is contained in:
Andrew Rybchenko 2018-11-24 16:31:08 +00:00
parent 3651ecc55b
commit ee1d6deeeb
1 changed files with 7 additions and 1 deletions
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8
sys/dev/sfxge/common/ef10_rx.c
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@ -220,7 +220,13 @@ efx_mcdi_rss_context_alloc(
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
EVB_PORT_ID_ASSIGNED);
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE, context_type);
/* NUM_QUEUES is only used to validate indirection table offsets */
/*
* For exclusive contexts, NUM_QUEUES is only used to validate
* indirection table offsets.
* For shared contexts, the provided context will spread traffic over
* NUM_QUEUES many queues.
*/
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, num_queues);
efx_mcdi_execute(enp, &req);