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authorJesse Brandeburg <jesse.brandeburg@intel.com>2022-02-11 20:14:18 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-23 14:03:22 +0300
commitec7d87b64e784912fd835d264c9f093437af88d3 (patch)
tree18c754ff79b6e0e7a67c4c0b776a0312e56d7c54 /drivers
parent0b4ea5b72b17f4553c022413e77ea199396f0912 (diff)
downloadlinux-ec7d87b64e784912fd835d264c9f093437af88d3.tar.xz
ice: enable parsing IPSEC SPI headers for RSS
commit 86006f996346e8a5a1ea80637ec949ceeea4ecbc upstream. The COMMS package can enable the hardware parser to recognize IPSEC frames with ESP header and SPI identifier. If this package is available and configured for loading in /lib/firmware, then the driver will succeed in enabling this protocol type for RSS. This in turn allows the hardware to hash over the SPI and use it to pick a consistent receive queue for the same secure flow. Without this all traffic is steered to the same queue for multiple traffic threads from the same IP address. For that reason this is marked as a fix, as the driver supports the model, but it wasn't enabled. If the package is not available, adding this type will fail, but the failure is ignored on purpose as it has no negative affect. Fixes: c90ed40cefe1 ("ice: Enable writing hardware filtering tables") Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 62bf879dc623..8c08997dcef6 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -1521,6 +1521,12 @@ static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi)
if (status)
dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n",
vsi_num, ice_stat_str(status));
+
+ status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_ESP_SPI,
+ ICE_FLOW_SEG_HDR_ESP);
+ if (status)
+ dev_dbg(dev, "ice_add_rss_cfg failed for esp/spi flow, vsi = %d, error = %d\n",
+ vsi_num, status);
}
/**