[dpdk-dev] [PATCH 0/9] net/cxgbe: updates for rte_flow support

[Thomas Monjalon]

11/03/2020 10:05, Rahul Lakkireddy:
> From: Karra Satwik <kaara.satwik at chelsio.com>
> 
> This series of patches contain rte_flow support for matching
> Q-in-Q VLAN, IP TOS, PF, and VF fields. Also, adds Destination
> MAC rewrite and Source MAC rewrite actions.
> 
> Apart from the 4-tuple (IP src/dst addresses and TCP/UDP src/dst
> port addresses), there are only 40-bits available to match other
> fields in packet headers. Currently, the combination of packet
> header fields to match are configured via filterMode for LETCAM
> filters and filterMask for HASH filters in firmware config files
> (t5/t6-config.txt). Adapter needs to be reflashed with new firmware
> config file everytime the combinations need to be changed. To avoid
> this, a new firmware API is available to dynamically change the
> combination before completing full adapter initialization. So, 2
> new devargs filtermode and filtermask are added to dynamically
> select the combinations during runtime.

Please, could you explain why you are using devargs for flow matching,
instead of using the common and generic rte_flow API?