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authorPiotr Bronowski <piotrx.bronowski@intel.com>2023-06-09 14:22:40 +0000
committerDamjan Marion <dmarion@0xa5.net>2023-06-13 12:08:54 +0000
commitd53a95ceadd481401f3ae4c3279636c3e5050999 (patch)
tree3c800fd92981ff90ab43675c434d6ada2d2752c0
parent84fb83def4e1b219af7bea33610a53473c7a2f19 (diff)
dpdk-cryptodev: introduce sw_ring
This patch introduces sw_ring. This ring is used in next set of patchas and plays role of a buffer for QAT, allowing collecting frame elements in case QAT queue is fully utilized, and assembling frame from QAT dequeued elements. Type: improvement Signed-off-by: Piotr Bronowski <piotrx.bronowski@intel.com> Signed-off-by: Dastin Wilski <dastin.wilski@gmail.com> Change-Id: I20718e200986ab4dba5cbc31c05a904072a6981a
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev.c34
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev.h32
2 files changed, 66 insertions, 0 deletions
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c
index 84a307d02ce..8750ffd3c31 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev.c
@@ -667,6 +667,40 @@ VLIB_CLI_COMMAND (show_cryptodev_assignment, static) = {
};
static clib_error_t *
+cryptodev_show_sw_rings_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ cryptodev_main_t *cmt = &cryptodev_main;
+ u32 thread_index = 0;
+ vec_foreach_index (thread_index, cmt->per_thread_data)
+ {
+ cryptodev_engine_thread_t *cet = cmt->per_thread_data + thread_index;
+ if (vlib_num_workers () > 0 && thread_index == 0)
+ continue;
+ vlib_cli_output (vm, "\n\n");
+ vlib_cli_output (vm, "Frames total: %d", cet->frames_on_ring);
+ vlib_cli_output (vm, "Frames pending in a ring: %d",
+ cet->frames_on_ring - cet->enqueued_not_dequeueq -
+ cet->deqeued_not_returned);
+ vlib_cli_output (vm, "Frames enqueued but not dequeued: %d",
+ cet->enqueued_not_dequeueq);
+ vlib_cli_output (vm, "Frames dequed but not returned: %d",
+ cet->deqeued_not_returned);
+ vlib_cli_output (vm, "inflight: %d", cet->inflight);
+ vlib_cli_output (vm, "Head: %d", cet->frame_ring.head);
+ vlib_cli_output (vm, "Tail: %d", cet->frame_ring.tail);
+ vlib_cli_output (vm, "\n\n");
+ }
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_cryptodev_sw_rings, static) = {
+ .path = "show cryptodev sw-ring status",
+ .short_help = "show status of all cryptodev software rings",
+ .function = cryptodev_show_sw_rings_fn,
+};
+
+static clib_error_t *
cryptodev_set_assignment_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.h b/src/plugins/dpdk/cryptodev/cryptodev.h
index cf68e1da083..58c2397d8e5 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.h
+++ b/src/plugins/dpdk/cryptodev/cryptodev.h
@@ -26,6 +26,8 @@
#define CRYPTODEV_CACHE_QUEUE_MASK (VNET_CRYPTO_FRAME_POOL_SIZE - 1)
#define CRYPTODEV_MAX_INFLIGHT (CRYPTODEV_NB_CRYPTO_OPS - 1)
#define CRYPTODEV_AAD_MASK (CRYPTODEV_NB_CRYPTO_OPS - 1)
+#define CRYPTODE_ENQ_MAX 64
+#define CRYPTODE_DEQ_MAX 64
#define CRYPTODEV_DEQ_CACHE_SZ 32
#define CRYPTODEV_NB_SESSION 4096
#define CRYPTODEV_MAX_IV_SIZE 16
@@ -154,6 +156,30 @@ typedef struct
typedef struct
{
+ vnet_crypto_async_frame_t *f;
+
+ u8 enqueued;
+ u8 dequeued;
+ u8 deq_state;
+ u8 frame_inflight;
+
+ u8 op_type;
+ u8 aad_len;
+ u8 n_elts;
+ u8 reserved;
+} cryptodev_async_ring_elt;
+
+typedef struct
+{
+ cryptodev_async_ring_elt frames[VNET_CRYPTO_FRAME_POOL_SIZE];
+ uint16_t head;
+ uint16_t tail;
+ uint16_t enq; /*record the frame currently being enqueued */
+ uint16_t deq; /*record the frame currently being dequeued */
+} cryptodev_async_frame_sw_ring;
+
+typedef struct
+{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
union
@@ -174,8 +200,14 @@ typedef struct
cryptodev_session_t *reset_sess;
};
};
+
+ cryptodev_async_frame_sw_ring frame_ring;
u16 cryptodev_id;
u16 cryptodev_q;
+ u16 frames_on_ring;
+ u16 enqueued_not_dequeueq;
+ u16 deqeued_not_returned;
+ u16 pending_to_qat;
u16 inflight;
} cryptodev_engine_thread_t;