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Subject[PATCH net-next 0/4] net: dsa: add master interface
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Currently the SoC network interface (called master) to which a switch
fabric hangs, has its dsa_ptr pointing to a dsa_switch_tree instance.

This is not quite correct, because this interface is physically wired to
one of the switch ports (called CPU port), and because in a switch
fabric with multiple CPU ports, several master interfaces will point to
several CPU ports of the same dsa_switch_tree.

This patchset adds a new dsa_master structure to represent the pipe
between the SoC master interface and its switch CPU port. This structure
will store specific data such as the master ethtool_ops copy and the
tagging protocol used to pass frames with the associated slave ports.
The dsa_ptr is changed to a dsa_master instance, and each DSA slave now
has a pointer to a master port.

This is a step forward better control over the CPU conduit and support
for multiple CPU ports.

Vivien Didelot (4):
net: dsa: introduce dsa_master
net: dsa: move master ethtool ops in dsa_master
net: dsa: change dsa_ptr for a dsa_master
net: dsa: assign a master to slave ports

drivers/net/dsa/b53/b53_common.c | 4 +-
drivers/net/dsa/bcm_sf2.c | 8 +--
drivers/net/dsa/mt7530.c | 4 +-
drivers/net/dsa/mv88e6060.c | 2 +-
drivers/net/dsa/qca8k.c | 2 +-
include/linux/netdevice.h | 4 +-
include/net/dsa.h | 42 +++++------
net/dsa/Makefile | 2 +-
net/dsa/dsa.c | 34 +--------
net/dsa/dsa2.c | 38 +++++-----
net/dsa/dsa_priv.h | 24 +++----
net/dsa/legacy.c | 34 +++++----
net/dsa/master.c | 149 +++++++++++++++++++++++++++++++++++++++
net/dsa/slave.c | 117 +++++-------------------------
net/dsa/tag_brcm.c | 5 +-
net/dsa/tag_dsa.c | 3 +-
net/dsa/tag_edsa.c | 3 +-
net/dsa/tag_ksz.c | 5 +-
net/dsa/tag_lan9303.c | 6 +-
net/dsa/tag_mtk.c | 12 +---
net/dsa/tag_qca.c | 12 +---
net/dsa/tag_trailer.c | 5 +-
22 files changed, 265 insertions(+), 250 deletions(-)
create mode 100644 net/dsa/master.c

--
2.14.1

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