net/enic: support flow counter action

[dpdk.git] / drivers / net / enic / base / vnic_devcmd.h

diff --git a/drivers/net/enic/base/vnic_devcmd.h b/drivers/net/enic/base/vnic_devcmd.h
index fffe307..0efcee2 100644 (file)
--- a/drivers/net/enic/base/vnic_devcmd.h
+++ b/drivers/net/enic/base/vnic_devcmd.h
@@ -598,6 +598,47 @@ enum vnic_devcmd_cmd {
         *                       a3 = bitmask of supported actions
         */
        CMD_ADD_ADV_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 77),
+
+       /*
+        * Allocate a counter for use with CMD_ADD_FILTER
+        * out:(u32) a0 = counter index
+        */
+       CMD_COUNTER_ALLOC = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ENET, 85),
+
+       /*
+        * Free a counter
+        * in: (u32) a0 = counter_id
+        */
+       CMD_COUNTER_FREE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 86),
+
+       /*
+        * Read a counter
+        * in: (u32) a0 = counter_id
+        *     (u32) a1 = clear counter if non-zero
+        * out:(u64) a0 = packet count
+        *     (u64) a1 = byte count
+        */
+       CMD_COUNTER_QUERY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 87),
+
+       /*
+        * Configure periodic counter DMA.  This will trigger an immediate
+        * DMA of the counters (unless period == 0), and then schedule a DMA
+        * of the counters every <period> seconds until disdabled.
+        * Each new COUNTER_DMA_CONFIG will override all previous commands on
+        * this vnic.
+        * Setting a2 (period) = 0 will disable periodic DMAs
+        * If a0 (num_counters) != 0, an immediate DMA will always be done,
+        * irrespective of the value in a2.
+        * in: (u32) a0 = number of counters to DMA
+        *     (u64) a1 = host target DMA address
+        *     (u32) a2 = DMA period in milliseconds (0 to disable)
+        */
+       CMD_COUNTER_DMA_CONFIG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 88),
+
+       /*
+        * Clear all counters on a vnic
+        */
+       CMD_COUNTER_CLEAR_ALL = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ENET, 89),
 };
 
 /* Modes for exchanging advanced filter capabilities. The modes supported by
@@ -863,9 +904,11 @@ struct filter_action {
 #define FILTER_ACTION_RQ_STEERING_FLAG (1 << 0)
 #define FILTER_ACTION_FILTER_ID_FLAG   (1 << 1)
 #define FILTER_ACTION_DROP_FLAG                (1 << 2)
+#define FILTER_ACTION_COUNTER_FLAG      (1 << 3)
 #define FILTER_ACTION_V2_ALL           (FILTER_ACTION_RQ_STEERING_FLAG \
+                                        | FILTER_ACTION_FILTER_ID_FLAG \
                                         | FILTER_ACTION_DROP_FLAG \
-                                        | FILTER_ACTION_FILTER_ID_FLAG)
+                                        | FILTER_ACTION_COUNTER_FLAG)
 
 /* Version 2 of filter action must be a strict extension of struct filter_action
  * where the first fields exactly match in size and meaning.
@@ -875,7 +918,8 @@ struct filter_action_v2 {
        u32 rq_idx;
        u32 flags;                     /* use FILTER_ACTION_XXX_FLAG defines */
        u16 filter_id;
-       uint8_t reserved[32];         /* for future expansion */
+       u32 counter_index;
+       uint8_t reserved[28];         /* for future expansion */
 } __attribute__((packed));
 
 /* Specifies the filter type. */
@@ -1122,4 +1166,13 @@ typedef enum {
        GRPINTR_UPD_VECT,
 } grpintr_subcmd_t;
 
+/*
+ * Structure for counter DMA
+ * (DMAed by CMD_COUNTER_DMA_CONFIG)
+ */
+struct vnic_counter_counts {
+       u64 vcc_packets;
+       u64 vcc_bytes;
+};
+
 #endif /* _VNIC_DEVCMD_H_ */