[Intel-wired-lan] [PATCH net-next RFC 0/6] Configure cloud filters in i40e via tc/flower classifier

[Shannon Nelson]

If this is an RFC patchset, then all the patches should have RFC in them.

On 7/31/2017 5:36 PM, Amritha Nambiar wrote:
> This patch series enables configuring cloud filters in i40e
> using the tc/flower classifier. The only tc-filter action
> supported is to redirect packets to a traffic class on the
> same device. The tc/mirred:redirect action is extended to
> accept a traffic class to achieve this.
> 
> The cloud filters are added for a VSI and are cleaned up when
> the VSI is deleted. The filters that match on L4 ports needs
> enhanced admin queue functions with big buffer support for
> extended general fields in Add/Remove Cloud filters command.
> 
> Example:
> # tc qdisc add dev eth0 ingress
> 
> # ethtool -K eth0 hw-tc-offload on
> 
> # tc filter add dev eth0 protocol ip parent ffff: prio 1 flower\
>    dst_ip 192.168.1.1/32 ip_proto udp dst_port 22\
>    skip_sw indev eth0 action mirred ingress redirect dev eth0 tc 1
> 
> # tc filter show dev eth0 parent ffff:
> filter protocol ip pref 1 flower
> filter protocol ip pref 1 flower handle 0x1
>    indev eth0
>    eth_type ipv4
>    ip_proto udp
>    dst_ip 192.168.1.1
>    dst_port 22
>    skip_sw
>    in_hw
>          action order 1: mirred (Ingress Redirect to device eth0) stolen tc 1
>          index 1 ref 1 bind 1
> ---
> 
> Amritha Nambiar (6):
>        [net-next]net: sched: act_mirred: Extend redirect action to accept a traffic class
>        [net-next]net: i40e: Maintain a mapping of TCs with the VSI seids
>        [net-next]net: i40e: Extend set switch config command to accept cloud filter mode
>        [net-next]net: i40e: Admin queue definitions for cloud filters
>        [net-next]net: i40e: Clean up of cloud filters
>        [net-next]net: i40e: Enable cloud filters in i40e via tc/flower classifier
> 
> 
>   drivers/net/ethernet/intel/i40e/i40e.h            |   58 +
>   drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h |  132 +++
>   drivers/net/ethernet/intel/i40e/i40e_common.c     |  184 ++++
>   drivers/net/ethernet/intel/i40e/i40e_ethtool.c    |    2
>   drivers/net/ethernet/intel/i40e/i40e_main.c       |  983 +++++++++++++++++++++
>   drivers/net/ethernet/intel/i40e/i40e_prototype.h  |   19
>   drivers/net/ethernet/intel/i40e/i40e_type.h       |    9
>   include/net/tc_act/tc_mirred.h                    |    7
>   include/uapi/linux/tc_act/tc_mirred.h             |    5
>   net/sched/act_mirred.c                            |   17
>   10 files changed, 1408 insertions(+), 8 deletions(-)
> 
> --
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