virtchnl: Add filter data structures
This patch adds infrastructure to send virtchnl messages to the PF to configure filters on the VF. The patch adds a struct called virtchnl_filter which contains information about the fields in the user-specified tc filter. Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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@ -138,6 +138,8 @@ enum virtchnl_ops {
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VIRTCHNL_OP_REQUEST_QUEUES = 29,
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VIRTCHNL_OP_ENABLE_CHANNELS = 30,
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VIRTCHNL_OP_DISABLE_CHANNELS = 31,
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VIRTCHNL_OP_ADD_CLOUD_FILTER = 32,
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VIRTCHNL_OP_DEL_CLOUD_FILTER = 33,
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};
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/* These macros are used to generate compilation errors if a structure/union
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@ -525,6 +527,57 @@ struct virtchnl_tc_info {
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VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_tc_info);
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/* VIRTCHNL_ADD_CLOUD_FILTER
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* VIRTCHNL_DEL_CLOUD_FILTER
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* VF sends these messages to add or delete a cloud filter based on the
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* user specified match and action filters. These structures encompass
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* all the information that the PF needs from the VF to add/delete a
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* cloud filter.
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*/
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struct virtchnl_l4_spec {
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u8 src_mac[ETH_ALEN];
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u8 dst_mac[ETH_ALEN];
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__be16 vlan_id;
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__be16 pad; /* reserved for future use */
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__be32 src_ip[4];
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__be32 dst_ip[4];
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__be16 src_port;
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__be16 dst_port;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(52, virtchnl_l4_spec);
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union virtchnl_flow_spec {
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struct virtchnl_l4_spec tcp_spec;
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u8 buffer[128]; /* reserved for future use */
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};
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VIRTCHNL_CHECK_UNION_LEN(128, virtchnl_flow_spec);
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enum virtchnl_action {
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/* action types */
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VIRTCHNL_ACTION_DROP = 0,
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VIRTCHNL_ACTION_TC_REDIRECT,
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};
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enum virtchnl_flow_type {
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/* flow types */
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VIRTCHNL_TCP_V4_FLOW = 0,
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VIRTCHNL_TCP_V6_FLOW,
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};
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struct virtchnl_filter {
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union virtchnl_flow_spec data;
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union virtchnl_flow_spec mask;
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enum virtchnl_flow_type flow_type;
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enum virtchnl_action action;
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u32 action_meta;
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__u8 field_flags;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter);
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/* VIRTCHNL_OP_EVENT
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* PF sends this message to inform the VF driver of events that may affect it.
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* No direct response is expected from the VF, though it may generate other
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@ -753,6 +806,12 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
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break;
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case VIRTCHNL_OP_DISABLE_CHANNELS:
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break;
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case VIRTCHNL_OP_ADD_CLOUD_FILTER:
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valid_len = sizeof(struct virtchnl_filter);
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break;
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case VIRTCHNL_OP_DEL_CLOUD_FILTER:
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valid_len = sizeof(struct virtchnl_filter);
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break;
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/* These are always errors coming from the VF. */
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case VIRTCHNL_OP_EVENT:
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case VIRTCHNL_OP_UNKNOWN:
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