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bnxt_en: bnxt: add TC flower filter offload support

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This patch adds support for offloading TC based flow
rules and actions for the 'flower' classifier in the bnxt_en driver.
It includes logic to parse flow rules and actions received from the
TC subsystem, store them and issue the corresponding
hwrm_cfa_flow_alloc/free FW cmds. L2/IPv4/IPv6 flows and drop,
redir, vlan push/pop actions are supported in this patch.

In this patch the hwrm_cfa_flow_xxx routines are just stubs.
The code for these routines is introduced in the next patch for easier
review. Also, the code to query the TC/flower action stats will
be introduced in a subsequent patch.

Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sathya Perla
2017-08-28 13:40:33 -04:00
committed by David S. Miller
parent 70855603e0
commit 2ae7408fed
8 changed files with 850 additions and 9 deletions
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9
drivers/net/ethernet/broadcom/Kconfig
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@@ -212,6 +212,15 @@ config BNXT_SRIOV
Virtualization support in the NetXtreme-C/E products. This
allows for virtual function acceleration in virtual environments.
config BNXT_FLOWER_OFFLOAD
bool "TC Flower offload support for NetXtreme-C/E"
depends on BNXT
default y
---help---
This configuration parameter enables TC Flower packet classifier
offload for eswitch. This option enables SR-IOV switchdev eswitch
offload.
config BNXT_DCB
bool "Data Center Bridging (DCB) Support"
default n