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Groups > linux.kernel > #1631555
| From | Vivien Didelot <vivien.didelot@savoirfairelinux.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU |
| Date | 2017-04-26 18:00 +0200 |
| Message-ID | <tAxwd-4hS-3@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
This patch series adds support for the VLAN Table Unit (a.k.a. the VTU)
to the 88E6390 family of Marvell Ethernet switch chips. The plumbing for
the per VLAN Spanning Tree support is added as a side effect of the
necessary refactoring.
The patchset is split up so that no duplication of code is introduced.
With this patchset applied, the mv88e6xxx driver has 2 new function
pointers for the VTU GetNext and VTU Load/Purge operations (with 3
implementations), both handling programmation of 802.1q and 802.1s.
On a ZII Rev C board (featuring 2 88E6390X chips) with all ports bridged
together, we obtain the following hardware VLAN configuration:
# cat /sys/class/net/br0/bridge/vlan_filtering
1
# cat /sys/class/net/br0/bridge/default_pvid
42
# bridge vlan add dev lan3 vid 666
# bridge vlan show
port vlan ids
lan1 42 PVID Egress Untagged
lan1 42 PVID Egress Untagged
lan2 42 PVID Egress Untagged
lan2 42 PVID Egress Untagged
lan3 42 PVID Egress Untagged
666
lan3 42 PVID Egress Untagged
666
lan4 42 PVID Egress Untagged
lan4 42 PVID Egress Untagged
lan5 42 PVID Egress Untagged
lan5 42 PVID Egress Untagged
lan6 42 PVID Egress Untagged
lan6 42 PVID Egress Untagged
lan7 42 PVID Egress Untagged
lan7 42 PVID Egress Untagged
lan8 42 PVID Egress Untagged
lan8 42 PVID Egress Untagged
br0 42 PVID Egress Untagged
Below are the technical details for the different implementations.
All switch families have up to 3 dedicated VTU Data registers used to
program 802.1q and 802.1s, both using 2-bit values.
On 88E6185 and 88E6352 families, port membership and state are adjacent,
while the 88E6390 family share the same bits:
Bits 88E6185/88E6352 88E6390
----- ----------------- --------------------------
0-1 Port 0 membership Port 0 membership or state
2-3 Port 0 state Port 1 membership or state
4-5 Port 1 membership Port 2 membership or state
6-7 Port 1 state Port 3 membership or state
8-9 Port 2 membership Port 4 membership or state
10-11 Port 2 state Port 5 membership or state
... ... ...
The 88E6185 family programs all ports membership and state in a single
VTU GetNext or Load/Purge operation.
The 88E6352 family introduced an indirect Spanning Tree Unit table
(a.k.a. STU) which requires additional STU GetNext and Load/Purge
operations to read and write the ports state bits.
The 88E6390 family also has an STU and requires data bits to be accessed
before and after every single VTU or STU operation.
Finally, the 88E6390 family introduced a 13th bit for the VLAN ID, which
must be taken care of regardless the VTU operating mode. This means that
iterating over the VTU now starts or ends with value 8191, not 4095.
Patch 1 adds a max_vid field to the chip info structure.
Patch 2 adds 802.1q and 802.1s data to the generic VTU entry structure.
Patches 3 to 10 move helpers to a dedicated file (later made static).
Patches 11 and 12 abstract handling of the STU behind VTU operations.
Patches 13 and 14 add the new function pointers for VTU operations.
Patches 15 and 18 polish the VTU code and add VTU support for 88E6390.
Vivien Didelot (18):
net: dsa: mv88e6xxx: add max VID to info
net: dsa: mv88e6xxx: split VTU entry data member
net: dsa: mv88e6xxx: move VTU Operation accessors
net: dsa: mv88e6xxx: move VTU flush
net: dsa: mv88e6xxx: move VTU FID accessors
net: dsa: mv88e6xxx: move VTU SID accessors
net: dsa: mv88e6xxx: move VTU VID accessors
net: dsa: mv88e6xxx: move generic VTU GetNext
net: dsa: mv88e6xxx: move VTU Data accessors
net: dsa: mv88e6xxx: move STU GetNext operation
net: dsa: mv88e6xxx: get STU entry on VTU GetNext
net: dsa: mv88e6xxx: load STU entry with VTU entry
net: dsa: mv88e6xxx: add VTU GetNext operation
net: dsa: mv88e6xxx: add VTU Load/Purge operation
net: dsa: mv88e6xxx: make VTU helpers static
net: dsa: mv88e6xxx: simplify VTU entry getter
net: dsa: mv88e6xxx: support the VTU Page bit
net: dsa: mv88e6xxx: add VTU support for 88E6390
drivers/net/dsa/mv88e6xxx/Makefile | 1 +
drivers/net/dsa/mv88e6xxx/chip.c | 568 +++++++++-----------------------
drivers/net/dsa/mv88e6xxx/global1.h | 14 +
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 505 ++++++++++++++++++++++++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 31 +-
5 files changed, 684 insertions(+), 435 deletions(-)
create mode 100644 drivers/net/dsa/mv88e6xxx/global1_vtu.c
--
2.12.2
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[PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
[PATCH net-next 02/18] net: dsa: mv88e6xxx: split VTU entry data member Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 02/18] net: dsa: mv88e6xxx: split VTU entry data member Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:30 +0200
[PATCH net-next 11/18] net: dsa: mv88e6xxx: get STU entry on VTU GetNext Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 11/18] net: dsa: mv88e6xxx: get STU entry on VTU GetNext Andrew Lunn <andrew@lunn.ch> - 2017-04-27 22:20 +0200
[PATCH net-next 13/18] net: dsa: mv88e6xxx: add VTU GetNext operation Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 13/18] net: dsa: mv88e6xxx: add VTU GetNext operation Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:20 +0200
[PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit Andrew Lunn <andrew@lunn.ch> - 2017-04-28 15:00 +0200
Re: [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-28 16:30 +0200
Re: [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit Andrew Lunn <andrew@lunn.ch> - 2017-04-28 17:00 +0200
[PATCH net-next 04/18] net: dsa: mv88e6xxx: move VTU flush Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 04/18] net: dsa: mv88e6xxx: move VTU flush Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
[PATCH net-next 14/18] net: dsa: mv88e6xxx: add VTU Load/Purge operation Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 14/18] net: dsa: mv88e6xxx: add VTU Load/Purge operation Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:20 +0200
[PATCH net-next 09/18] net: dsa: mv88e6xxx: move VTU Data accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 09/18] net: dsa: mv88e6xxx: move VTU Data accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:20 +0200
[PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info Andrew Lunn <andrew@lunn.ch> - 2017-04-26 18:10 +0200
[PATCH net-next 10/18] net: dsa: mv88e6xxx: move STU GetNext operation Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 10/18] net: dsa: mv88e6xxx: move STU GetNext operation Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:50 +0200
[PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
Re: [PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
[PATCH net-next 07/18] net: dsa: mv88e6xxx: move VTU VID accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
Re: [PATCH net-next 07/18] net: dsa: mv88e6xxx: move VTU VID accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:00 +0200
[PATCH net-next 16/18] net: dsa: mv88e6xxx: simplify VTU entry getter Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
Re: [PATCH net-next 16/18] net: dsa: mv88e6xxx: simplify VTU entry getter Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:30 +0200
[PATCH net-next 06/18] net: dsa: mv88e6xxx: move VTU SID accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
Re: [PATCH net-next 06/18] net: dsa: mv88e6xxx: move VTU SID accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
[PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU GetNext Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
Re: [PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU GetNext Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:00 +0200
Re: [PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU GetNext Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-28 17:10 +0200
[PATCH net-next 12/18] net: dsa: mv88e6xxx: load STU entry with VTU entry Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
Re: [PATCH net-next 12/18] net: dsa: mv88e6xxx: load STU entry with VTU entry Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:10 +0200
[PATCH net-next 05/18] net: dsa: mv88e6xxx: move VTU FID accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
Re: [PATCH net-next 05/18] net: dsa: mv88e6xxx: move VTU FID accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 18:00 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU David Miller <davem@davemloft.net> - 2017-05-01 18:10 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Andrew Lunn <andrew@lunn.ch> - 2017-05-01 18:30 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 19:20 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 18:30 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU David Miller <davem@davemloft.net> - 2017-05-01 18:30 +0200
Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 18:40 +0200
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