[v2,1/5] common/iavf: support flow subscription
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Commit Message
VF is able to subscribe a flow from PF by VIRTCHNL_FLOW_SUBSCRIBE.
PF is expected to offload a rule to hardware which will redirect
the packet that matching the required pattern to this VF.
Only a flow with dst mac address as PF's mac address can be subscribed.
VIRTCHNL_VF_OFFLOAD_FSUB_PF is used for Flow subscription capability
negotiation and only a trusted VF can be granted with this capability.
A flow can be unsubscribed by VIRTCHNL_FLOW_UNSUBSCRIBE.
Signed-off-by: Jie Wang <jie1x.wang@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/common/iavf/virtchnl.h | 104 +++++++++++++++++++++++++++++++--
1 file changed, 100 insertions(+), 4 deletions(-)
@@ -168,6 +168,8 @@ enum virtchnl_ops {
VIRTCHNL_OP_MAP_QUEUE_VECTOR = 111,
VIRTCHNL_OP_CONFIG_QUEUE_BW = 112,
VIRTCHNL_OP_CONFIG_QUANTA = 113,
+ VIRTCHNL_OP_FLOW_SUBSCRIBE = 114,
+ VIRTCHNL_OP_FLOW_UNSUBSCRIBE = 115,
VIRTCHNL_OP_MAX,
};
@@ -282,6 +284,10 @@ static inline const char *virtchnl_op_str(enum virtchnl_ops v_opcode)
return "VIRTCHNL_OP_1588_PTP_GET_CAPS";
case VIRTCHNL_OP_1588_PTP_GET_TIME:
return "VIRTCHNL_OP_1588_PTP_GET_TIME";
+ case VIRTCHNL_OP_FLOW_SUBSCRIBE:
+ return "VIRTCHNL_OP_FLOW_SUBSCRIBE";
+ case VIRTCHNL_OP_FLOW_UNSUBSCRIBE:
+ return "VIRTCHNL_OP_FLOW_UNSUBSCRIBE";
case VIRTCHNL_OP_MAX:
return "VIRTCHNL_OP_MAX";
default:
@@ -401,6 +407,7 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource);
#define VIRTCHNL_VF_OFFLOAD_INLINE_IPSEC_CRYPTO BIT(8)
#define VIRTCHNL_VF_LARGE_NUM_QPAIRS BIT(9)
#define VIRTCHNL_VF_OFFLOAD_CRC BIT(10)
+#define VIRTCHNL_VF_OFFLOAD_FSUB_PF BIT(14)
#define VIRTCHNL_VF_OFFLOAD_VLAN_V2 BIT(15)
#define VIRTCHNL_VF_OFFLOAD_VLAN BIT(16)
#define VIRTCHNL_VF_OFFLOAD_RX_POLLING BIT(17)
@@ -1503,6 +1510,7 @@ enum virtchnl_vfr_states {
};
#define VIRTCHNL_MAX_NUM_PROTO_HDRS 32
+#define VIRTCHNL_MAX_NUM_PROTO_HDRS_W_MSK 16
#define VIRTCHNL_MAX_SIZE_RAW_PACKET 1024
#define PROTO_HDR_SHIFT 5
#define PROTO_HDR_FIELD_START(proto_hdr_type) \
@@ -1695,6 +1703,22 @@ struct virtchnl_proto_hdr {
VIRTCHNL_CHECK_STRUCT_LEN(72, virtchnl_proto_hdr);
+struct virtchnl_proto_hdr_w_msk {
+ /* see enum virtchnl_proto_hdr_type */
+ s32 type;
+ u32 pad;
+ /**
+ * binary buffer in network order for specific header type.
+ * For example, if type = VIRTCHNL_PROTO_HDR_IPV4, a IPv4
+ * header is expected to be copied into the buffer.
+ */
+ u8 buffer_spec[64];
+ /* binary buffer for bit-mask applied to specific header type */
+ u8 buffer_mask[64];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(136, virtchnl_proto_hdr_w_msk);
+
struct virtchnl_proto_hdrs {
u8 tunnel_level;
/**
@@ -1706,11 +1730,18 @@ struct virtchnl_proto_hdrs {
*/
int count;
/**
- * number of proto layers, must < VIRTCHNL_MAX_NUM_PROTO_HDRS
- * must be 0 for a raw packet request.
+ * count must <=
+ * VIRTCHNL_MAX_NUM_PROTO_HDRS + VIRTCHNL_MAX_NUM_PROTO_HDRS_W_MSK
+ * count = 0 : select raw
+ * 1 < count <= VIRTCHNL_MAX_NUM_PROTO_HDRS : select proto_hdr
+ * count > VIRTCHNL_MAX_NUM_PROTO_HDRS : select proto_hdr_w_msk
+ * last valid index = count - VIRTCHNL_MAX_NUM_PROTO_HDRS
*/
union {
- struct virtchnl_proto_hdr proto_hdr[VIRTCHNL_MAX_NUM_PROTO_HDRS];
+ struct virtchnl_proto_hdr
+ proto_hdr[VIRTCHNL_MAX_NUM_PROTO_HDRS];
+ struct virtchnl_proto_hdr_w_msk
+ proto_hdr_w_msk[VIRTCHNL_MAX_NUM_PROTO_HDRS_W_MSK];
struct {
u16 pkt_len;
u8 spec[VIRTCHNL_MAX_SIZE_RAW_PACKET];
@@ -1731,7 +1762,7 @@ struct virtchnl_rss_cfg {
VIRTCHNL_CHECK_STRUCT_LEN(2444, virtchnl_rss_cfg);
-/* action configuration for FDIR */
+/* action configuration for FDIR and FSUB */
struct virtchnl_filter_action {
/* see enum virtchnl_action type */
s32 type;
@@ -1849,6 +1880,65 @@ struct virtchnl_fdir_del {
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_fdir_del);
+/* Status returned to VF after VF requests FSUB commands
+ * VIRTCHNL_FSUB_SUCCESS
+ * VF FLOW related request is successfully done by PF
+ * The request can be OP_FLOW_SUBSCRIBE/UNSUBSCRIBE.
+ *
+ * VIRTCHNL_FSUB_FAILURE_RULE_NORESOURCE
+ * OP_FLOW_SUBSCRIBE request is failed due to no Hardware resource.
+ *
+ * VIRTCHNL_FSUB_FAILURE_RULE_EXIST
+ * OP_FLOW_SUBSCRIBE request is failed due to the rule is already existed.
+ *
+ * VIRTCHNL_FSUB_FAILURE_RULE_NONEXIST
+ * OP_FLOW_UNSUBSCRIBE request is failed due to this rule doesn't exist.
+ *
+ * VIRTCHNL_FSUB_FAILURE_RULE_INVALID
+ * OP_FLOW_SUBSCRIBE request is failed due to parameters validation
+ * or HW doesn't support.
+ */
+enum virtchnl_fsub_prgm_status {
+ VIRTCHNL_FSUB_SUCCESS = 0,
+ VIRTCHNL_FSUB_FAILURE_RULE_NORESOURCE,
+ VIRTCHNL_FSUB_FAILURE_RULE_EXIST,
+ VIRTCHNL_FSUB_FAILURE_RULE_NONEXIST,
+ VIRTCHNL_FSUB_FAILURE_RULE_INVALID,
+};
+
+/* VIRTCHNL_OP_FLOW_SUBSCRIBE
+ * VF sends this request to PF by filling out vsi_id,
+ * validate_only, priority, proto_hdrs and actions.
+ * PF will return flow_id
+ * if the request is successfully done and return status to VF.
+ */
+struct virtchnl_flow_sub {
+ u16 vsi_id; /* INPUT */
+ u8 validate_only; /* INPUT */
+ u8 priority; /* INPUT */
+ u32 flow_id; /* OUTPUT */
+ struct virtchnl_proto_hdrs proto_hdrs; /* INPUT */
+ struct virtchnl_filter_action_set actions; /* INPUT */
+ /* see enum virtchnl_fsub_prgm_status; OUTPUT */
+ s32 status;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(2616, virtchnl_flow_sub);
+
+/* VIRTCHNL_OP_FLOW_UNSUBSCRIBE
+ * VF sends this request to PF by filling out vsi_id
+ * and flow_id. PF will return status to VF.
+ */
+struct virtchnl_flow_unsub {
+ u16 vsi_id; /* INPUT */
+ u16 pad;
+ u32 flow_id; /* INPUT */
+ /* see enum virtchnl_fsub_prgm_status; OUTPUT */
+ s32 status;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_flow_unsub);
+
/* VIRTCHNL_OP_GET_QOS_CAPS
* VF sends this message to get its QoS Caps, such as
* TC number, Arbiter and Bandwidth.
@@ -2318,6 +2408,12 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
case VIRTCHNL_OP_DEL_FDIR_FILTER:
valid_len = sizeof(struct virtchnl_fdir_del);
break;
+ case VIRTCHNL_OP_FLOW_SUBSCRIBE:
+ valid_len = sizeof(struct virtchnl_flow_sub);
+ break;
+ case VIRTCHNL_OP_FLOW_UNSUBSCRIBE:
+ valid_len = sizeof(struct virtchnl_flow_unsub);
+ break;
case VIRTCHNL_OP_GET_QOS_CAPS:
break;
case VIRTCHNL_OP_CONFIG_QUEUE_TC_MAP: