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09fdb6747b
[ Upstream commit 4ef8d857b5f494e62bce9085031563fda35f9563 ]
When using sub-VLANs in the range of 1-7, the resulting value from:
rx_vid = dsa_8021q_rx_vid_subvlan(ds, port, subvlan);
is wrong according to the description from tag_8021q.c:
| 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
+-----------+-----+-----------------+-----------+-----------------------+
| DIR | SVL | SWITCH_ID | SUBVLAN | PORT |
+-----------+-----+-----------------+-----------+-----------------------+
For example, when ds->index == 0, port == 3 and subvlan == 1,
dsa_8021q_rx_vid_subvlan() returns 1027, same as it returns for
subvlan == 0, but it should have returned 1043.
This is because the low portion of the subvlan bits are not masked
properly when writing into the 12-bit VLAN value. They are masked into
bits 4:3, but they should be masked into bits 5:4.
Fixes:
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---|---|---|
.. | ||
dsa2.c | ||
dsa_priv.h | ||
dsa.c | ||
Kconfig | ||
Makefile | ||
master.c | ||
port.c | ||
slave.c | ||
switch.c | ||
tag_8021q.c | ||
tag_ar9331.c | ||
tag_brcm.c | ||
tag_dsa.c | ||
tag_edsa.c | ||
tag_gswip.c | ||
tag_ksz.c | ||
tag_lan9303.c | ||
tag_mtk.c | ||
tag_ocelot.c | ||
tag_qca.c | ||
tag_rtl4_a.c | ||
tag_sja1105.c | ||
tag_trailer.c |