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net: stmmac: Initial support for TBS

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Adds the initial hooks for TBS support. This needs a 32 byte descriptor
in order for it to work with current HW. Adds all the logic for Enhanced
Descriptors in main core but no HW related logic for now.

Changes from v2:
- Use bitfield for TBS status / support (Jakub)
- Remove unneeded cache alignment (Jakub)
- Fix checkpatch issues

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jose Abreu
2020-01-13 17:24:09 +01:00
committed by Jakub Kicinski
parent ab9837b5ed
commit 579a25a854
5 changed files with 156 additions and 65 deletions
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include/linux/stmmac.h
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@@ -139,6 +139,7 @@ struct stmmac_txq_cfg {
u32 low_credit;
bool use_prio;
u32 prio;
int tbs_en;
};
struct plat_stmmacenet_data {