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authorTakeru Hayasaka <hayatake396@gmail.com>2024-02-12 02:04:05 +0000
committerTony Nguyen <anthony.l.nguyen@intel.com>2024-03-06 09:31:49 -0800
commita6d63bbf2c52d0a9d1550cd9a5ba58ea6371991b (patch)
treeddccff20ee469ec58e27fefe5789fb28d7e8bab8 /Documentation/networking
parent0ed3bba16d37618c7776a44ef02ad3039966d687 (diff)
ice: Implement RSS settings for GTP using ethtool
Following the addition of new GTP RSS hash options to ethtool.h, this patch implements the corresponding RSS settings for GTP packets in the Intel ice driver. It enables users to configure RSS for GTP-U and GTP-C traffic over IPv4 and IPv6, utilizing the newly defined hash options. The implementation covers the handling of gtpu(4|6), gtpc(4|6), gtpc(4|6)t, gtpu(4|6)e, gtpu(4|6)u, and gtpu(4|6)d traffic, providing enhanced load distribution for GTP traffic across multiple processing units. Signed-off-by: Takeru Hayasaka <hayatake396@gmail.com> Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/device_drivers/ethernet/intel/ice.rst21
1 files changed, 17 insertions, 4 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/intel/ice.rst b/Documentation/networking/device_drivers/ethernet/intel/ice.rst
index 5038e54586af..934752f675ba 100644
--- a/Documentation/networking/device_drivers/ethernet/intel/ice.rst
+++ b/Documentation/networking/device_drivers/ethernet/intel/ice.rst
@@ -368,15 +368,28 @@ more options for Receive Side Scaling (RSS) hash byte configuration.
# ethtool -N <ethX> rx-flow-hash <type> <option>
Where <type> is:
- tcp4 signifying TCP over IPv4
- udp4 signifying UDP over IPv4
- tcp6 signifying TCP over IPv6
- udp6 signifying UDP over IPv6
+ tcp4 signifying TCP over IPv4
+ udp4 signifying UDP over IPv4
+ gtpc4 signifying GTP-C over IPv4
+ gtpc4t signifying GTP-C (include TEID) over IPv4
+ gtpu4 signifying GTP-U over IPV4
+ gtpu4e signifying GTP-U and Extension Header over IPV4
+ gtpu4u signifying GTP-U PSC Uplink over IPV4
+ gtpu4d signifying GTP-U PSC Downlink over IPV4
+ tcp6 signifying TCP over IPv6
+ udp6 signifying UDP over IPv6
+ gtpc6 signifying GTP-C over IPv6
+ gtpc6t signifying GTP-C (include TEID) over IPv6
+ gtpu6 signifying GTP-U over IPV6
+ gtpu6e signifying GTP-U and Extension Header over IPV6
+ gtpu6u signifying GTP-U PSC Uplink over IPV6
+ gtpu6d signifying GTP-U PSC Downlink over IPV6
And <option> is one or more of:
s Hash on the IP source address of the Rx packet.
d Hash on the IP destination address of the Rx packet.
f Hash on bytes 0 and 1 of the Layer 4 header of the Rx packet.
n Hash on bytes 2 and 3 of the Layer 4 header of the Rx packet.
+ e Hash on GTP Packet on TEID (4bytes) of the Rx packet.
Accelerated Receive Flow Steering (aRFS)