netdev - [PATCH net-next 0/7] cxgb4: add hash-filter support to tc-flower offload

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Date:   Wed,  1 Nov 2017 08:52:58 +0530
From:   Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kumaras@...lsio.com, ganeshgr@...lsio.com,
        nirranjan@...lsio.com, indranil@...lsio.com,
        Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
Subject: [PATCH net-next 0/7] cxgb4: add hash-filter support to tc-flower offload

This series of patches add support to create hash-filters; a.k.a
exact-match filters, to tc-flower offload.  T6 supports creating
~500K hash-filters in hw and can theoretically be expanded up to
~1 million.

Patch 1 fetches and saves the configured hw filter tuple field shifts
and filter mask.

Patch 2 initializes the driver to use hash-filter configuration.

Patch 3 adds support to create hash filters in hw.

Patch 4 adds support to delete hash filters in hw.

Patch 5 adds support to retrieve filter stats for hash filters.

Patch 6 converts the flower table to use rhashtable instead of
static hlist.

Patch 7 finally adds support to create hash filters via tc-flower
offload.

Thanks,
Rahul

Kumar Sanghvi (7):
  cxgb4: save additional filter tuple field shifts in tp_params
  cxgb4: initialize hash-filter configuration
  cxgb4: add support to create hash filters
  cxgb4: add support to delete hash filter
  cxgb4: add support to retrieve stats for hash filters
  cxgb4: convert flower table to use rhashtable
  cxgb4: add support to create hash-filters via tc-flower offload

 drivers/net/ethernet/chelsio/cxgb4/cxgb4.h         |  32 +-
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c  | 928 +++++++++++++++++++--
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.h  |   8 +
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c    |  26 +-
 .../net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c   | 126 ++-
 .../net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h   |   4 +-
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c  |   4 +-
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h     |   6 +-
 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c         |  18 +-
 drivers/net/ethernet/chelsio/cxgb4/t4_msg.h        |   5 +
 drivers/net/ethernet/chelsio/cxgb4/t4_regs.h       |  17 +
 drivers/net/ethernet/chelsio/cxgb4/t4_tcb.h        |  22 +
 drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h      |   1 +
 13 files changed, 1082 insertions(+), 115 deletions(-)

-- 
2.14.1