enic: define MBOX message types and header structures

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Define the mailbox protocol structures for PF-VF communication:
message header, generic reply, and per-message-type payloads for
capability negotiation, VF registration/unregistration, and link
state notification/acknowledgment.

Include linux/types.h and linux/bits.h for __le16/__le32/__le64
and BIT() used in the header.

Message types use an even=request / odd=reply convention.  The
header carries source and destination VNIC IDs, a per-channel
message sequence number, and the total message length.

Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20260812-enic-sriov-v2-admin-channel-v2-v13-5-b3809e448aba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Satish Kharat 2026-08-12 05:48:05 -07:00 • committed by Jakub Kicinski

parent cb1dba54c7

commit 1584793311

1 changed files with 83 additions and 0 deletions

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drivers/net/ethernet/cisco/enic/enic_mbox.h

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