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Differential D54884

qlnxe: Avoid memcpy with same source and destination
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Authored by zlei on Jan 26 2026, 6:22 AM.
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Reviewers
kbowling
Group Reviewers
network
Commits
rG18e4cb41e945: qlnxe: Avoid memcpy with same source and destination
rG36ebcb4f8219: qlnxe: Avoid memcpy with same source and destination
rGea1143bddbc3: qlnxe: Avoid memcpy with same source and destination
rG646218959504: qlnxe: Avoid memcpy with same source and destination
rG3aeeedc7e0dc: qlnxe: Avoid memcpy with same source and destination
Summary

In case the device is VF, qlnx_get_mac_addr() returns ha->primary_mac
hence it ends up memcpy with same source and destination. Refactor
slightly to avoid that.

MFC after: 1 week

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rG FreeBSD src repository
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Tests Not Applicable

Event Timeline

zlei created this revision.Jan 26 2026, 6:22 AM
Herald added a subscriber: imp. · View Herald TranscriptJan 26 2026, 6:22 AM
zlei requested review of this revision.Jan 26 2026, 6:22 AM
zlei added a parent revision: D54883: qlnxe: Remove a pointless copy back from the link-layer address.Jan 26 2026, 7:12 AM
zlei added a child revision: D54885: qlnxe: Fix setting unicast MAC filter of rx path.
kbowling accepted this revision.Feb 6 2026, 6:11 AM
kbowling added inline comments.
sys/dev/qlnx/qlnxe/qlnx_os.c
2328

There is an ether_gen_addr that could replace the generator here

This revision is now accepted and ready to land.Feb 6 2026, 6:11 AM
zlei added inline comments.Feb 6 2026, 7:28 AM
sys/dev/qlnx/qlnxe/qlnx_os.c
2328

Yeah, indeed.

Closed by commit rG3aeeedc7e0dc: qlnxe: Avoid memcpy with same source and destination (authored by zlei). · Explain WhyFeb 6 2026, 5:59 PM
This revision was automatically updated to reflect the committed changes.
zlei added a commit: rG3aeeedc7e0dc: qlnxe: Avoid memcpy with same source and destination.
zlei added a commit: rG646218959504: qlnxe: Avoid memcpy with same source and destination.Feb 11 2026, 10:03 AM
zlei added a commit: rGea1143bddbc3: qlnxe: Avoid memcpy with same source and destination.Feb 11 2026, 1:49 PM
cperciva added a commit: rG36ebcb4f8219: qlnxe: Avoid memcpy with same source and destination.Feb 11 2026, 8:30 PM
zlei added a commit: rG18e4cb41e945: qlnxe: Avoid memcpy with same source and destination.Feb 24 2026, 10:46 AM

Revision Contents
Changeset List

PathSize
sys/
dev/
qlnx/
qlnxe/
1 line
13 lines

Diff 171357

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sys/dev/qlnx/qlnxe/qlnx_def.h

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sys/dev/qlnx/qlnxe/qlnx_os.c

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