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-rw-r--r--drivers/net/enic/base/vnic_dev.c105
-rw-r--r--drivers/net/enic/base/vnic_dev.h8
-rw-r--r--drivers/net/enic/base/vnic_devcmd.h72
3 files changed, 176 insertions, 9 deletions
diff --git a/drivers/net/enic/base/vnic_dev.c b/drivers/net/enic/base/vnic_dev.c
index 16e8814a..fd303fec 100644
--- a/drivers/net/enic/base/vnic_dev.c
+++ b/drivers/net/enic/base/vnic_dev.c
@@ -57,6 +57,9 @@ struct vnic_dev {
void (*free_consistent)(void *priv,
size_t size, void *vaddr,
dma_addr_t dma_handle);
+ struct vnic_counter_counts *flow_counters;
+ dma_addr_t flow_counters_pa;
+ u8 flow_counters_dma_active;
};
#define VNIC_MAX_RES_HDR_SIZE \
@@ -64,6 +67,8 @@ struct vnic_dev {
sizeof(struct vnic_resource) * RES_TYPE_MAX)
#define VNIC_RES_STRIDE 128
+#define VNIC_MAX_FLOW_COUNTERS 2048
+
void *vnic_dev_priv(struct vnic_dev *vdev)
{
return vdev->priv;
@@ -611,6 +616,35 @@ int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait);
}
+/*
+ * Configure counter DMA
+ */
+int vnic_dev_counter_dma_cfg(struct vnic_dev *vdev, u32 period,
+ u32 num_counters)
+{
+ u64 args[3];
+ int wait = 1000;
+ int err;
+
+ if (num_counters > VNIC_MAX_FLOW_COUNTERS)
+ return -ENOMEM;
+ if (period > 0 && (period < VNIC_COUNTER_DMA_MIN_PERIOD ||
+ num_counters == 0))
+ return -EINVAL;
+
+ args[0] = num_counters;
+ args[1] = vdev->flow_counters_pa;
+ args[2] = period;
+ err = vnic_dev_cmd_args(vdev, CMD_COUNTER_DMA_CONFIG, args, 3, wait);
+
+ /* record if DMAs need to be stopped on close */
+ if (!err)
+ vdev->flow_counters_dma_active = (num_counters != 0 &&
+ period != 0);
+
+ return err;
+}
+
int vnic_dev_close(struct vnic_dev *vdev)
{
u64 a0 = 0, a1 = 0;
@@ -939,6 +973,24 @@ int vnic_dev_alloc_stats_mem(struct vnic_dev *vdev)
return vdev->stats == NULL ? -ENOMEM : 0;
}
+/*
+ * Initialize for up to VNIC_MAX_FLOW_COUNTERS
+ */
+int vnic_dev_alloc_counter_mem(struct vnic_dev *vdev)
+{
+ char name[NAME_MAX];
+ static u32 instance;
+
+ snprintf((char *)name, sizeof(name), "vnic_flow_ctrs-%u", instance++);
+ vdev->flow_counters = vdev->alloc_consistent(vdev->priv,
+ sizeof(struct vnic_counter_counts)
+ * VNIC_MAX_FLOW_COUNTERS,
+ &vdev->flow_counters_pa,
+ (u8 *)name);
+ vdev->flow_counters_dma_active = 0;
+ return vdev->flow_counters == NULL ? -ENOMEM : 0;
+}
+
void vnic_dev_unregister(struct vnic_dev *vdev)
{
if (vdev) {
@@ -951,6 +1003,16 @@ void vnic_dev_unregister(struct vnic_dev *vdev)
vdev->free_consistent(vdev->priv,
sizeof(struct vnic_stats),
vdev->stats, vdev->stats_pa);
+ if (vdev->flow_counters) {
+ /* turn off counter DMAs before freeing memory */
+ if (vdev->flow_counters_dma_active)
+ vnic_dev_counter_dma_cfg(vdev, 0, 0);
+
+ vdev->free_consistent(vdev->priv,
+ sizeof(struct vnic_counter_counts)
+ * VNIC_MAX_FLOW_COUNTERS,
+ vdev->flow_counters, vdev->flow_counters_pa);
+ }
if (vdev->fw_info)
vdev->free_consistent(vdev->priv,
sizeof(struct vnic_devcmd_fw_info),
@@ -1094,3 +1156,46 @@ int vnic_dev_capable_vxlan(struct vnic_dev *vdev)
(a1 & (FEATURE_VXLAN_IPV6 | FEATURE_VXLAN_MULTI_WQ)) ==
(FEATURE_VXLAN_IPV6 | FEATURE_VXLAN_MULTI_WQ);
}
+
+bool vnic_dev_counter_alloc(struct vnic_dev *vdev, uint32_t *idx)
+{
+ u64 a0 = 0;
+ u64 a1 = 0;
+ int wait = 1000;
+
+ if (vnic_dev_cmd(vdev, CMD_COUNTER_ALLOC, &a0, &a1, wait))
+ return false;
+ *idx = (uint32_t)a0;
+ return true;
+}
+
+bool vnic_dev_counter_free(struct vnic_dev *vdev, uint32_t idx)
+{
+ u64 a0 = idx;
+ u64 a1 = 0;
+ int wait = 1000;
+
+ return vnic_dev_cmd(vdev, CMD_COUNTER_FREE, &a0, &a1,
+ wait) == 0;
+}
+
+bool vnic_dev_counter_query(struct vnic_dev *vdev, uint32_t idx,
+ bool reset, uint64_t *packets, uint64_t *bytes)
+{
+ u64 a0 = idx;
+ u64 a1 = reset ? 1 : 0;
+ int wait = 1000;
+
+ if (reset) {
+ /* query/reset returns updated counters */
+ if (vnic_dev_cmd(vdev, CMD_COUNTER_QUERY, &a0, &a1, wait))
+ return false;
+ *packets = a0;
+ *bytes = a1;
+ } else {
+ /* Get values DMA'd from the adapter */
+ *packets = vdev->flow_counters[idx].vcc_packets;
+ *bytes = vdev->flow_counters[idx].vcc_bytes;
+ }
+ return true;
+}
diff --git a/drivers/net/enic/base/vnic_dev.h b/drivers/net/enic/base/vnic_dev.h
index 270a47bd..de2645c4 100644
--- a/drivers/net/enic/base/vnic_dev.h
+++ b/drivers/net/enic/base/vnic_dev.h
@@ -118,6 +118,8 @@ int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, size_t size,
void *value);
int vnic_dev_stats_clear(struct vnic_dev *vdev);
int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
+int vnic_dev_counter_dma_cfg(struct vnic_dev *vdev, u32 period,
+ u32 num_counters);
int vnic_dev_hang_notify(struct vnic_dev *vdev);
int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
int broadcast, int promisc, int allmulti);
@@ -170,6 +172,7 @@ struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
unsigned int num_bars);
struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev);
int vnic_dev_alloc_stats_mem(struct vnic_dev *vdev);
+int vnic_dev_alloc_counter_mem(struct vnic_dev *vdev);
int vnic_dev_cmd_init(struct vnic_dev *vdev, int fallback);
int vnic_dev_get_size(void);
int vnic_dev_int13(struct vnic_dev *vdev, u64 arg, u32 op);
@@ -187,4 +190,9 @@ int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev,
int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay,
u16 vxlan_udp_port_number);
int vnic_dev_capable_vxlan(struct vnic_dev *vdev);
+bool vnic_dev_counter_alloc(struct vnic_dev *vdev, uint32_t *idx);
+bool vnic_dev_counter_free(struct vnic_dev *vdev, uint32_t idx);
+bool vnic_dev_counter_query(struct vnic_dev *vdev, uint32_t idx,
+ bool reset, uint64_t *packets, uint64_t *bytes);
+
#endif /* _VNIC_DEV_H_ */
diff --git a/drivers/net/enic/base/vnic_devcmd.h b/drivers/net/enic/base/vnic_devcmd.h
index a22d8a76..3aad2dbd 100644
--- a/drivers/net/enic/base/vnic_devcmd.h
+++ b/drivers/net/enic/base/vnic_devcmd.h
@@ -598,6 +598,48 @@ 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),
+#define VNIC_COUNTER_DMA_MIN_PERIOD 500
+
+ /*
+ * 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 +905,11 @@ 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 +919,8 @@ struct filter_action_v2 {
u32 rq_idx;
u32 flags; /* use FILTER_ACTION_XXX_FLAG defines */
u16 filter_id;
- u_int8_t reserved[32]; /* for future expansion */
+ u32 counter_index;
+ uint8_t reserved[28]; /* for future expansion */
} __attribute__((packed));
/* Specifies the filter type. */
@@ -941,9 +986,9 @@ enum {
};
struct filter_tlv {
- u_int32_t type;
- u_int32_t length;
- u_int32_t val[0];
+ uint32_t type;
+ uint32_t length;
+ uint32_t val[0];
};
/* Data for CMD_ADD_FILTER is 2 TLV and filter + action structs */
@@ -957,10 +1002,10 @@ struct filter_tlv {
* drivers should use this instead of "sizeof (struct filter_v2)" when
* computing length for TLV.
*/
-static inline u_int32_t
+static inline uint32_t
vnic_filter_size(struct filter_v2 *fp)
{
- u_int32_t size;
+ uint32_t size;
switch (fp->type) {
case FILTER_USNIC_ID:
@@ -999,10 +1044,10 @@ enum {
* drivers should use this instead of "sizeof (struct filter_action_v2)"
* when computing length for TLV.
*/
-static inline u_int32_t
+static inline uint32_t
vnic_action_size(struct filter_action_v2 *fap)
{
- u_int32_t size;
+ uint32_t size;
switch (fap->type) {
case FILTER_ACTION_RQ_STEERING:
@@ -1122,4 +1167,13 @@ 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_ */