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Message-Id: <20231213003321.605376-1-ahmed.zaki@intel.com>
Date: Tue, 12 Dec 2023 17:33:13 -0700
From: Ahmed Zaki <ahmed.zaki@...el.com>
To: netdev@...r.kernel.org
Cc: intel-wired-lan@...ts.osuosl.org,
corbet@....net,
jesse.brandeburg@...el.com,
anthony.l.nguyen@...el.com,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
vladimir.oltean@....com,
andrew@...n.ch,
horms@...nel.org,
mkubecek@...e.cz,
willemdebruijn.kernel@...il.com,
gal@...dia.com,
alexander.duyck@...il.com,
ecree.xilinx@...il.com,
linux-doc@...r.kernel.org,
Ahmed Zaki <ahmed.zaki@...el.com>
Subject: [PATCH net-next v9 0/8] Support symmetric-xor RSS hash
Patches 1 and 2 modify the get/set_rxh ethtool API to take a pointer to
struct of parameters instead of individual params. This will allow future
changes to the uAPI-shared struct ethtool_rxfh without changing the
drivers' API.
Patch 3 adds the support at the Kernel level, allowing the user to set a
symmetric-xor RSS hash for a netdevice via:
# ethtool -X eth0 hfunc toeplitz symmetric-xor
and clears the flag via:
# ethtool -X eth0 hfunc toeplitz
The "symmetric-xor" is set in a new "input_xfrm" field in struct
ethtool_rxfh. Support for the new "symmetric-xor" flag will be later sent
to the "ethtool" user-space tool.
Patch 4 fixes a long standing bug with the ice hash function register
values. The bug has been benign for now since only (asymmetric) Toeplitz
hash (Zero) has been used.
Patches 5 and 6 lay some groundwork refactoring. While the first is
mainly cosmetic, the second is needed since there is no more room in the
previous 64-bit RSS profile ID for the symmetric attribute introduced in
the next patch.
Finally, patches 7 and 8 add the symmetric-xor support for the ice
(E800 PFs) and the iAVF drivers.
---
v9: - Remove the underscores from ethtool_rxfh_params fields (__u32 -> u32)
- Restore single kzalloc's in ethtool_get/set_rxfh() (patch 1/8)
v8: - Fix build failures on patchwork CI (make allmodconfig).
- Move the new new struct ethtool_rxfh_params from include/uapi/linux/
ethtool.h to include/linux/ethtool.h.
- Add cap_rss_ctx_supported to ice.
https://lore.kernel.org/netdev/20231206233642.447794-8-ahmed.zaki@intel.com/T/
v7: - Use new struct ethtool_rxfh_params to pass arguments to set/get_rxfh
- Remove get/set_rxfh_context functions and use a new capability to
indicate RSS context support (cap_rss_ctx_supported).
- Move the sanity checks on the rxnfc fields when symmetric-xor is set
back to core.
- Add a new capability (cap_rss_sym_xor_supported) to indicate
symmetric-xor support. Core returns -ENOTSUPP if the driver does not
support symmetric-xor.
- Rename the new struct ethtool_rxfh field to "input_xfrm" and
update "Documentation/networking/ethtool-netlink.rst" and
"Documentation/netlink/specs/ethtool.yaml".
- Add a comment on potential vulnerability of symmetric-xor in
include/uapi/linux/ethtool.h.
https://lore.kernel.org/netdev/20231205230049.18872-4-ahmed.zaki@intel.com/T/
v6: switch user interface to "ethtool -X" (ethtool_rxfh) instead of
"ethtool -N". Patch (1) is added to allow new params in the get/set_rxh
ethtool API. Doc is updated in "Documentation/networking/scaling.rst"
to specify how the "symmetric-xor" manipulates the input fields.
https://lore.kernel.org/netdev/20231120205614.46350-2-ahmed.zaki@intel.com/T/
v5: move sanity checks from ethtool/ioctl.c to ice's and iavf's rxfnc
drivers entries (patches 5 and 6).
https://lore.kernel.org/netdev/20231018170635.65409-2-ahmed.zaki@intel.com/T/
v4: add a comment to "#define RXH_SYMMETRIC_XOR" (in uapi/linux/ethtool.h)
https://lore.kernel.org/netdev/20231016154937.41224-1-ahmed.zaki@intel.com/T/
v3: rename "symmetric" to "symmetric-xor" and drop "Fixes" tag in patch 2.
v2: fixed a "Reviewed by" to "Reviewed-by", also need to cc maintainers.
Ahmed Zaki (6):
net: ethtool: pass a pointer to parameters to get/set_rxfh ethtool ops
net: ethtool: get rid of get/set_rxfh_context functions
net: ethtool: add support for symmetric-xor RSS hash
ice: fix ICE_AQ_VSI_Q_OPT_RSS_* register values
ice: refactor the FD and RSS flow ID generation
iavf: enable symmetric-xor RSS for Toeplitz hash function
Jeff Guo (1):
ice: enable symmetric-xor RSS for Toeplitz hash function
Qi Zhang (1):
ice: refactor RSS configuration
Documentation/netlink/specs/ethtool.yaml | 4 +
Documentation/networking/ethtool-netlink.rst | 6 +-
Documentation/networking/scaling.rst | 15 +
drivers/net/ethernet/amazon/ena/ena_ethtool.c | 28 +-
drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 33 +-
.../ethernet/aquantia/atlantic/aq_ethtool.c | 31 +-
.../ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 25 +-
.../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 28 +-
drivers/net/ethernet/broadcom/tg3.c | 22 +-
.../ethernet/cavium/thunder/nicvf_ethtool.c | 31 +-
.../ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 24 +-
.../net/ethernet/cisco/enic/enic_ethtool.c | 25 +-
.../net/ethernet/emulex/benet/be_ethtool.c | 28 +-
.../ethernet/freescale/enetc/enetc_ethtool.c | 31 +-
.../ethernet/fungible/funeth/funeth_ethtool.c | 40 +-
.../net/ethernet/hisilicon/hns/hns_ethtool.c | 17 +-
.../ethernet/hisilicon/hns3/hns3_ethtool.c | 23 +-
.../net/ethernet/huawei/hinic/hinic_ethtool.c | 40 +-
.../net/ethernet/intel/fm10k/fm10k_ethtool.c | 26 +-
.../net/ethernet/intel/i40e/i40e_ethtool.c | 38 +-
drivers/net/ethernet/intel/iavf/iavf.h | 5 +-
.../net/ethernet/intel/iavf/iavf_adv_rss.c | 8 +-
.../net/ethernet/intel/iavf/iavf_adv_rss.h | 3 +-
.../net/ethernet/intel/iavf/iavf_ethtool.c | 74 ++-
drivers/net/ethernet/intel/iavf/iavf_main.c | 4 +
.../net/ethernet/intel/iavf/iavf_virtchnl.c | 41 ++
drivers/net/ethernet/intel/ice/ice.h | 2 +
.../net/ethernet/intel/ice/ice_adminq_cmd.h | 8 +-
drivers/net/ethernet/intel/ice/ice_common.h | 1 +
drivers/net/ethernet/intel/ice/ice_ethtool.c | 106 ++--
.../net/ethernet/intel/ice/ice_ethtool_fdir.c | 35 +-
.../net/ethernet/intel/ice/ice_flex_pipe.c | 44 +-
.../net/ethernet/intel/ice/ice_flex_pipe.h | 4 +-
.../net/ethernet/intel/ice/ice_flex_type.h | 7 +
drivers/net/ethernet/intel/ice/ice_flow.c | 482 +++++++++++++-----
drivers/net/ethernet/intel/ice/ice_flow.h | 60 ++-
.../net/ethernet/intel/ice/ice_hw_autogen.h | 4 +
drivers/net/ethernet/intel/ice/ice_lib.c | 116 ++---
drivers/net/ethernet/intel/ice/ice_main.c | 58 ++-
drivers/net/ethernet/intel/ice/ice_type.h | 1 +
drivers/net/ethernet/intel/ice/ice_virtchnl.c | 105 +++-
drivers/net/ethernet/intel/ice/ice_virtchnl.h | 1 +
.../intel/ice/ice_virtchnl_allowlist.c | 1 +
.../ethernet/intel/ice/ice_virtchnl_fdir.c | 35 +-
.../net/ethernet/intel/idpf/idpf_ethtool.c | 40 +-
drivers/net/ethernet/intel/igb/igb_ethtool.c | 27 +-
drivers/net/ethernet/intel/igc/igc_ethtool.c | 27 +-
.../net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 35 +-
drivers/net/ethernet/intel/ixgbevf/ethtool.c | 27 +-
drivers/net/ethernet/marvell/mvneta.c | 25 +-
.../net/ethernet/marvell/mvpp2/mvpp2_main.c | 79 +--
.../marvell/octeontx2/nic/otx2_ethtool.c | 80 ++-
.../net/ethernet/mellanox/mlx4/en_ethtool.c | 40 +-
drivers/net/ethernet/mellanox/mlx5/core/en.h | 6 +-
.../ethernet/mellanox/mlx5/core/en_ethtool.c | 43 +-
.../net/ethernet/microchip/lan743x_ethtool.c | 34 +-
.../ethernet/microsoft/mana/mana_ethtool.c | 33 +-
.../ethernet/netronome/nfp/nfp_net_ethtool.c | 38 +-
.../ethernet/pensando/ionic/ionic_ethtool.c | 26 +-
.../net/ethernet/qlogic/qede/qede_ethtool.c | 32 +-
drivers/net/ethernet/sfc/ef100_ethtool.c | 3 +-
drivers/net/ethernet/sfc/ethtool.c | 3 +-
drivers/net/ethernet/sfc/ethtool_common.c | 126 ++---
drivers/net/ethernet/sfc/ethtool_common.h | 13 +-
drivers/net/ethernet/sfc/falcon/ethtool.c | 26 +-
drivers/net/ethernet/sfc/siena/ethtool.c | 3 +-
.../net/ethernet/sfc/siena/ethtool_common.c | 126 ++---
.../net/ethernet/sfc/siena/ethtool_common.h | 13 +-
.../ethernet/stmicro/stmmac/stmmac_ethtool.c | 31 +-
drivers/net/hyperv/netvsc_drv.c | 32 +-
drivers/net/virtio_net.c | 29 +-
drivers/net/vmxnet3/vmxnet3_ethtool.c | 22 +-
include/linux/avf/virtchnl.h | 35 +-
include/linux/ethtool.h | 60 ++-
include/uapi/linux/ethtool.h | 13 +-
include/uapi/linux/ethtool_netlink.h | 1 +
net/ethtool/common.c | 12 +-
net/ethtool/ioctl.c | 171 ++++---
net/ethtool/rss.c | 24 +-
79 files changed, 1817 insertions(+), 1238 deletions(-)
--
2.34.1
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