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virtchnl: Add filter data structures

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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>
This commit is contained in:
Harshitha Ramamurthy 2018-01-23 08:51:04 -08:00 committed by Jeff Kirsher
parent 0718e560a3
commit 3872c8d44c
1 changed files with 59 additions and 0 deletions
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59
include/linux/avf/virtchnl.h
View file

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