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The main loop in __ice_clean_ctrlq first checks if a VF might be malicious
before calling ice_vc_process_vf_msg(). This results in duplicate code in
both functions to obtain a reference to the VF, and exports the
ice_is_malicious_vf() from ice_virtchnl.c unnecessarily.
Refactor ice_is_malicious_vf() to be a static function that takes a pointer
to the VF. Call this in ice_vc_process_vf_msg() just after we obtain a
reference to the VF by calling ice_get_vf_by_id.
Pass the mailbox data from the __ice_clean_ctrlq function into
ice_vc_process_vf_msg() instead of calling ice_is_malicious_vf().
This reduces the number of exported functions and avoids the need to obtain
the VF reference twice for every mailbox message.
Note that the state check for ICE_VF_STATE_DIS is kept in
ice_is_malicious_vf() and we call this before checking that state in
ice_vc_process_vf_msg. This is intentional, as we stop responding to VF
messages from a VF once we detect that it may be overflowing the mailbox.
This ensures that we continue to silently ignore the message as before
without responding via ice_vc_send_msg_to_vf().
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice_is_malicious_vf() function is currently implemented in ice_sriov.c
This function is not Single Root specific, and a future change is going to
refactor the ice_vc_process_vf_msg() function to call this instead of
calling it before ice_vc_process_vf_msg() in the main loop of
__ice_clean_ctrlq.
To make that change easier to review, first move this function into
ice_virtchnl.c but leave the call in __ice_clean_ctrlq() alone.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice_vc_process_vf_msg function is the main entry point for handling
virtchnl messages. This function is defined in ice_virtchnl.c but its
declaration is still in ice_sriov.c
The ice_sriov.c file used to contain all of the virtualization logic until
commit bf93bf791cec ("ice: introduce ice_virtchnl.c and ice_virtchnl.h")
moved the virtchnl logic to its own file.
The ice_vc_process_vf_msg function should have had its declaration moved to
ice_virtchnl.h then. Fix this.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add support for 2 virtchnl msgs:
VIRTCHNL_OP_SET_RSS_HENA
VIRTCHNL_OP_GET_RSS_HENA_CAPS
The first one allows VFs to clear all previously programmed
RSS configuration and customize it. The second one returns
the RSS HENA bits allowed by the hardware.
Introduce ice_err_to_virt_err which converts kernel
specific errors to virtchnl errors.
Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add new VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC flag, opcode
VIRTCHNL_OP_GET_SUPPORTED_RXDIDS and add member rxdid
in struct virtchnl_rxq_info to support AVF Flex RXD
extension.
Add support to allow VF to query flexible descriptor RXDIDs supported
by DDP package and configure Rx queues with selected RXDID for IAVF.
Add code to allow VIRTCHNL_OP_GET_SUPPORTED_RXDIDS message to be
processed. Add necessary macros for registers.
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Signed-off-by: Xu Ting <ting.xu@intel.com>
Signed-off-by: Michal Jaron <michalx.jaron@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20221025161252.1952939-1-jacob.e.keller@intel.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Just as we moved the generic virtualization library logic into
ice_vf_lib.c, move the virtchnl message handling into ice_virtchnl.c
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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