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This commit implements the core RSS context management and configuration
logic for GTP (GTPU) protocol support in VF RSS operations.
Key implementation features:
- GTPU hash context management with pre/post processing functions
- Context index calculation and mapping for different GTPU scenarios
- Integration with main RSS configuration flow via wrapper functions
- Support for IPv4/IPv6 GTPU RSS configurations
- Rollback mechanism for handling RSS rule conflicts
- Hash context reset and cleanup functionality
The implementation provides comprehensive GTPU RSS support by:
1. Adding ice_add_rss_cfg_pre_gtpu() for preprocessing GTPU contexts
2. Adding ice_add_rss_cfg_post_gtpu() for postprocessing configurations
3. Adding ice_calc_gtpu_ctx_idx() for context index calculation
4. Integrating GTPU logic into ice_add_rss_cfg_wrap() and
ice_rem_rss_cfg_wrap()
5. Supporting context tracking in VF hash_ctx structures
This completes the GTP RSS infrastructure enabling VFs to configure
RSS hashing on GTP-encapsulated traffic.
Co-developed-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Co-developed-by: Jie Wang <jie1x.wang@intel.com>
Signed-off-by: Jie Wang <jie1x.wang@intel.com>
Co-developed-by: Junfeng Guo <junfeng.guo@intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Co-developed-by: Qi Zhang <qi.z.zhang@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Co-developed-by: Ting Xu <ting.xu@intel.com>
Signed-off-by: Ting Xu <ting.xu@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add virtchnl protocol header and field definitions for advanced RSS
configuration including GTPC, GTPU, L2TPv2, ECPRI, PPP, GRE, and IP
fragment headers.
- Define new virtchnl protocol header types
- Add RSS field selectors for tunnel protocols
- Extend static mapping arrays for protocol field matching
- Add L2TPv2 session ID and length+session ID field support
This provides the foundational definitions needed for VF RSS
configuration of tunnel protocols.
Co-developed-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Co-developed-by: Jie Wang <jie1x.wang@intel.com>
Signed-off-by: Jie Wang <jie1x.wang@intel.com>
Co-developed-by: Junfeng Guo <junfeng.guo@intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Co-developed-by: Qi Zhang <qi.z.zhang@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Co-developed-by: Ting Xu <ting.xu@intel.com>
Signed-off-by: Ting Xu <ting.xu@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Move functions out of virt/virtchnl.c to virt/rss.c.
Same "git tricks" used as for the split into virt/queues.c
that is immediately preceding this split.
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Remove remaining portion of the stuff that stays within virtchnl.c,
(separate commits to have nicer, removal-only, history).
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Start removing stuff from virt/rss.c that will be kept in the main
virtchnl file.
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Temporary rename of virtchnl.c into rss.c
In order to split virtchnl.c in a way that makes it much easier
to still blame new file, we do it via multiple git steps.
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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