On 09/29/2017 11:36 AM, Vivien Didelot wrote: > With DSA, a master net_device is physically wired to a dedicated CPU > switch port. For interaction with the DSA layer, the struct net_device > contains a dsa_ptr, which currently points to a dsa_switch_tree object. > > This is only valid for a switch fabric with a single CPU port. In order > to support switch fabrics with multiple CPU ports, we first need to > change the type of dsa_ptr to what it really is: a dsa_port object. > > This is what this patchset does. The first 4 patches cleans up portions > of DSA core to make the next patches more readable. These next patches > prepare the xmit and receive hot paths and finally change dsa_ptr.
This looks nice and clean, as mentioned in patch 5, there may be room for organizing the structure a bit more efficiently such that everything still fits within the first cacheline . > > Vivien Didelot (8): > net: dsa: directly fetch switch in mtk_tag_rcv > net: dsa: directly fetch switch in lan9303_rcv > net: dsa: use cpu_dp in master code > net: dsa: use temporary dsa_device_ops variable > net: dsa: add tagging ops to port > net: dsa: prepare master receive hot path > net: dsa: change dsa_ptr for a dsa_port > net: dsa: remove tag ops from the switch tree > > include/linux/netdevice.h | 4 ++-- > include/net/dsa.h | 19 ++++++++----------- > net/dsa/dsa.c | 6 +++--- > net/dsa/dsa2.c | 15 ++++++++++----- > net/dsa/dsa_priv.h | 7 +------ > net/dsa/legacy.c | 15 ++++++++++----- > net/dsa/master.c | 47 > ++++++++++++++++++++++------------------------- > net/dsa/slave.c | 3 +-- > net/dsa/tag_brcm.c | 3 +-- > net/dsa/tag_dsa.c | 3 ++- > net/dsa/tag_edsa.c | 3 ++- > net/dsa/tag_ksz.c | 3 +-- > net/dsa/tag_lan9303.c | 6 ++---- > net/dsa/tag_mtk.c | 12 ++---------- > net/dsa/tag_qca.c | 3 +-- > net/dsa/tag_trailer.c | 3 +-- > 16 files changed, 69 insertions(+), 83 deletions(-) > -- Florian