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sfc: TC offload counters

[email protected] netdev 2 versions – Applied

Status from this message: This series was applied to netdev/net-next.git (master)

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  1. v2 Latest12 patches 0 repliesApplied 12/12
  2. v111 patches 0 repliesSuperseded

Changes in v2 from the cover letter

* added new patch #1 to fix shift UB on 32 bit (kernel test robot)

Patches in v2 All 12 applied

#Subject and filesSizeRepliesApplied
1/12sfc: fix ef100 RX prefix macrodrivers/net/ethernet/sfc/ef100_rx.c+1 -10 repliesApplied
2/12sfc: add ability for an RXQ to grant credits on refilldrivers/net/ethernet/sfc/ef100_rx.c drivers/net/ethernet/sfc/net_driver.h drivers/net/ethernet/sfc/rx_common.c+22 -30 repliesApplied
3/12sfc: add start and stop methods to channelsdrivers/net/ethernet/sfc/efx_channels.c drivers/net/ethernet/sfc/net_driver.h+12 -10 repliesApplied
4/12sfc: add ability for extra channels to receive raw RX buffersdrivers/net/ethernet/sfc/ef100_rx.c drivers/net/ethernet/sfc/net_driver.h+9 -00 repliesApplied
5/12sfc: add ef100 MAE counter support functionsdrivers/net/ethernet/sfc/mae.c drivers/net/ethernet/sfc/mae.h drivers/net/ethernet/sfc/mcdi.h +2 more+139 -00 repliesApplied
6/12sfc: add extra RX channel to receive MAE counter updates on ef100drivers/net/ethernet/sfc/Makefile drivers/net/ethernet/sfc/mae_counter_format.h drivers/net/ethernet/sfc/net_driver.h +4 more+373 -100 repliesApplied
7/12sfc: add hashtables for MAE counters and counter ID mappingsdrivers/net/ethernet/sfc/tc.c drivers/net/ethernet/sfc/tc.h drivers/net/ethernet/sfc/tc_counters.c +1 more+90 -00 repliesApplied
8/12sfc: add functions to allocate/free MAE countersdrivers/net/ethernet/sfc/mae.c drivers/net/ethernet/sfc/mae.h drivers/net/ethernet/sfc/tc_counters.c +1 more+170 -00 repliesApplied
9/12sfc: accumulate MAE counter values from update packetsdrivers/net/ethernet/sfc/tc_counters.c drivers/net/ethernet/sfc/tc_counters.h+57 -10 repliesApplied
10/12sfc: attach an MAE counter to TC actions that need itdrivers/net/ethernet/sfc/mae.c drivers/net/ethernet/sfc/tc.c drivers/net/ethernet/sfc/tc.h+32 -20 repliesApplied
11/12sfc: validate MAE action orderdrivers/net/ethernet/sfc/tc.c+50 -00 repliesApplied
12/12sfc: implement counters readout to TC statsdrivers/net/ethernet/sfc/tc.c drivers/net/ethernet/sfc/tc_counters.c drivers/net/ethernet/sfc/tc_counters.h+52 -00 repliesApplied

Reviews trailers per patch

No Reviewed-by, Acked-by or Tested-by trailers for v2 yet.

Read the v2 thread

Cover letter [PATCH v2 net-next 00/12] sfc: TC offload counters

From: Edward Cree <[email protected]>

EF100 hardware supports attaching counters to action-sets in the MAE. Use these counters to implement stats for TC flower offload.

The counters are delivered to the host over a special hardware RX queue
which should only ever receive counter update messages, not 'real' network packets.

Changed in v2:
* added new patch #1 to fix shift UB on 32 bit (kernel test robot)

Edward Cree (12):
sfc: fix ef100 RX prefix macro
sfc: add ability for an RXQ to grant credits on refill
sfc: add start and stop methods to channels
sfc: add ability for extra channels to receive raw RX buffers
sfc: add ef100 MAE counter support functions
sfc: add extra RX channel to receive MAE counter updates on ef100
sfc: add hashtables for MAE counters and counter ID mappings
sfc: add functions to allocate/free MAE counters
sfc: accumulate MAE counter values from update packets
sfc: attach an MAE counter to TC actions that need it
sfc: validate MAE action order
sfc: implement counters readout to TC stats

 drivers/net/ethernet/sfc/Makefile             |   2 +-
 drivers/net/ethernet/sfc/ef100_rx.c           |  23 +-
 drivers/net/ethernet/sfc/efx_channels.c       |   9 +-
 drivers/net/ethernet/sfc/mae.c                | 170 +++++-
 drivers/net/ethernet/sfc/mae.h                |   7 +
 drivers/net/ethernet/sfc/mae_counter_format.h |  73 +++
 drivers/net/ethernet/sfc/mcdi.h               |   5 +
 drivers/net/ethernet/sfc/net_driver.h         |  17 +-
 drivers/net/ethernet/sfc/rx_common.c          |   3 +
 drivers/net/ethernet/sfc/tc.c                 | 122 +++++
 drivers/net/ethernet/sfc/tc.h                 |  16 +
 drivers/net/ethernet/sfc/tc_counters.c        | 501 ++++++++++++++++++
 drivers/net/ethernet/sfc/tc_counters.h        |  59 +++
 13 files changed, 998 insertions(+), 9 deletions(-)
 create mode 100644 drivers/net/ethernet/sfc/mae_counter_format.h
 create mode 100644 drivers/net/ethernet/sfc/tc_counters.c
 create mode 100644 drivers/net/ethernet/sfc/tc_counters.h