On 04/10/2018 07:36 PM, Adrien Mazarguil wrote:
By definition, RSS involves some kind of hash algorithm, usually Toeplitz.

Until now it could not be modified on a flow rule basis and PMDs had to
always assume RTE_ETH_HASH_FUNCTION_DEFAULT, which remains the default
behavior when unspecified (0).

This breaks ABI compatibility for the following public functions:

- rte_flow_copy()
- rte_flow_create()
- rte_flow_query()
- rte_flow_validate()

Signed-off-by: Adrien Mazarguil <adrien.mazarg...@6wind.com>
Cc: Ferruh Yigit <ferruh.yi...@intel.com>
Cc: Thomas Monjalon <tho...@monjalon.net>
Cc: Wenzhuo Lu <wenzhuo...@intel.com>
Cc: Jingjing Wu <jingjing...@intel.com>
Cc: Beilei Xing <beilei.x...@intel.com>
Cc: Qi Zhang <qi.z.zh...@intel.com>
Cc: Konstantin Ananyev <konstantin.anan...@intel.com>
Cc: Nelio Laranjeiro <nelio.laranje...@6wind.com>
Cc: Yongseok Koh <ys...@mellanox.com>
Cc: Andrew Rybchenko <arybche...@solarflare.com>
Cc: Pascal Mazon <pascal.ma...@6wind.com>

---

v3 changes:

- Although RTE_ETH_HASH_FUNCTION_DEFAULT is defined as 0, made comparisons
   more explicit where doing so would clarify the code.

- Updated sfc to include Toeplitz as the other allowed value.

Both according to Andrew's suggestions [1].

[1] http://dpdk.org/ml/archives/dev/2018-April/095840.html
---
  app/test-pmd/cmdline_flow.c                 | 72 ++++++++++++++++++++++++
  app/test-pmd/config.c                       |  1 +
  doc/guides/prog_guide/rte_flow.rst          |  2 +
  doc/guides/testpmd_app_ug/testpmd_funcs.rst |  3 +
  drivers/net/e1000/igb_flow.c                |  4 ++
  drivers/net/e1000/igb_rxtx.c                |  4 +-
  drivers/net/i40e/i40e_ethdev.c              |  4 +-
  drivers/net/i40e/i40e_flow.c                |  4 ++
  drivers/net/ixgbe/ixgbe_flow.c              |  4 ++
  drivers/net/ixgbe/ixgbe_rxtx.c              |  4 +-
  drivers/net/mlx4/mlx4_flow.c                |  7 +++
  drivers/net/mlx5/mlx5_flow.c                | 13 +++++
  drivers/net/sfc/sfc_flow.c                  |  8 +++
  drivers/net/tap/tap_flow.c                  |  6 ++
  lib/librte_ether/rte_flow.c                 |  1 +
  lib/librte_ether/rte_flow.h                 |  2 +
  16 files changed, 136 insertions(+), 3 deletions(-)

Generic and net/sfc
Acked-by: Andrew Rybchenko <arybche...@solarflare.com>

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