Public bug reported:
== Impact ==
Only one of the three on-board ethernet ports works. The other two can't get IP
addresses.
== Fix ==
commit 884d2b845477cd0a18302444dc20fe2d9a01743e
Author: David Wu <david...@rock-chips.com>
Date: Mon Dec 13 19:15:15 2021 +0800
net: stmmac: Add GFP_DMA32 for rx buffers if no 64 capability
Use page_pool_alloc_pages instead of page_pool_dev_alloc_pages, which
can give the gfp parameter, in the case of not supporting 64-bit width,
using 32-bit address memory can reduce a copy from swiotlb.
Signed-off-by: David Wu <david...@rock-chips.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
== Risk of Regression ==
Low. The commit changes gfp parameter only when there's no 64-bit capability,
and it is already in mainline.
** Affects: linux-intel-5.13 (Ubuntu)
Importance: Undecided
Assignee: Jesse Sung (wenchien)
Status: Triaged
** Affects: linux-intel-5.13 (Ubuntu Focal)
Importance: Undecided
Assignee: Jesse Sung (wenchien)
Status: In Progress
** Also affects: linux-intel-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-intel-5.13 (Ubuntu Focal)
Assignee: (unassigned) => Jesse Sung (wenchien)
** Changed in: linux-intel-5.13 (Ubuntu Focal)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1956413
Title:
Intel EHL: Two of the on-board ethernet ports don't work
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