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-rw-r--r--src/vnet/crypto/cli.c73
-rw-r--r--src/vnet/crypto/crypto.c82
-rw-r--r--src/vnet/crypto/crypto.h44
-rw-r--r--src/vnet/crypto/node.c102
4 files changed, 232 insertions, 69 deletions
diff --git a/src/vnet/crypto/cli.c b/src/vnet/crypto/cli.c
index f6778930ef7..cef779ab25e 100644
--- a/src/vnet/crypto/cli.c
+++ b/src/vnet/crypto/cli.c
@@ -311,6 +311,48 @@ VLIB_CLI_COMMAND (show_crypto_async_handlers_command, static) =
static clib_error_t *
+show_crypto_async_status_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vnet_crypto_main_t *cm = &crypto_main;
+ u32 skip_master = vlib_num_workers () > 0;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ unformat_input_t _line_input, *line_input = &_line_input;
+ int i;
+
+ if (unformat_user (input, unformat_line_input, line_input))
+ unformat_free (line_input);
+
+ vlib_cli_output (vm, "Crypto async dispatch mode: %s",
+ cm->dispatch_mode ==
+ VNET_CRYPTO_ASYNC_DISPATCH_POLLING ? "POLLING" :
+ "INTERRUPT");
+
+ for (i = skip_master; i < tm->n_vlib_mains; i++)
+ {
+ vlib_node_state_t state =
+ vlib_node_get_state (vlib_mains[i], cm->crypto_node_index);
+ if (state == VLIB_NODE_STATE_POLLING)
+ vlib_cli_output (vm, "threadId: %-6d POLLING", i);
+ if (state == VLIB_NODE_STATE_INTERRUPT)
+ vlib_cli_output (vm, "threadId: %-6d INTERRUPT", i);
+ if (state == VLIB_NODE_STATE_DISABLED)
+ vlib_cli_output (vm, "threadId: %-6d DISABLED", i);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_crypto_async_status_command, static) =
+{
+ .path = "show crypto async status",
+ .short_help = "show crypto async status",
+ .function = show_crypto_async_status_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
set_crypto_async_handler_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
@@ -393,6 +435,37 @@ VLIB_CLI_COMMAND (set_crypto_async_handler_command, static) =
};
/* *INDENT-ON* */
+static clib_error_t *
+set_crypto_async_dispatch_polling_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vnet_crypto_set_async_dispatch_mode (VNET_CRYPTO_ASYNC_DISPATCH_POLLING);
+ return 0;
+}
+
+static clib_error_t *
+set_crypto_async_dispatch_interrupt_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vnet_crypto_set_async_dispatch_mode (VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_crypto_async_dispatch_polling_command, static) =
+{
+ .path = "set crypto async dispatch polling",
+ .short_help = "set crypto async dispatch polling|interrupt",
+ .function = set_crypto_async_dispatch_polling_command_fn,
+};
+VLIB_CLI_COMMAND (set_crypto_async_dispatch_interrupt_command, static) =
+{
+ .path = "set crypto async dispatch interrupt",
+ .short_help = "set crypto async dispatch polling|interrupt",
+ .function = set_crypto_async_dispatch_interrupt_command_fn,
+};
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vnet/crypto/crypto.c b/src/vnet/crypto/crypto.c
index 288e227821b..b877d9a5f03 100644
--- a/src/vnet/crypto/crypto.c
+++ b/src/vnet/crypto/crypto.c
@@ -446,18 +446,20 @@ vnet_crypto_key_add_linked (vlib_main_t * vm,
clib_error_t *
crypto_dispatch_enable_disable (int is_enable)
{
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "crypto-dispatch");
vnet_crypto_main_t *cm = &crypto_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
u32 skip_master = vlib_num_workers () > 0, i;
- u32 state_change = 0;
- vlib_node_state_t state;
+ vlib_node_state_t state = VLIB_NODE_STATE_DISABLED;
+ u8 state_change = 0;
+ CLIB_MEMORY_STORE_BARRIER ();
if (is_enable && cm->async_refcnt > 0)
{
state_change = 1;
- state = VLIB_NODE_STATE_POLLING;
+ state =
+ cm->dispatch_mode ==
+ VNET_CRYPTO_ASYNC_DISPATCH_POLLING ? VLIB_NODE_STATE_POLLING :
+ VLIB_NODE_STATE_INTERRUPT;
}
if (!is_enable && cm->async_refcnt == 0)
@@ -468,8 +470,11 @@ crypto_dispatch_enable_disable (int is_enable)
if (state_change)
for (i = skip_master; i < tm->n_vlib_mains; i++)
- vlib_node_set_state (vlib_mains[i], node->index, state);
-
+ {
+ if (state !=
+ vlib_node_get_state (vlib_mains[i], cm->crypto_node_index))
+ vlib_node_set_state (vlib_mains[i], cm->crypto_node_index, state);
+ }
return 0;
}
@@ -553,20 +558,20 @@ vnet_crypto_register_post_node (vlib_main_t * vm, char *post_node_name)
void
vnet_crypto_request_async_mode (int is_enable)
{
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "crypto-dispatch");
vnet_crypto_main_t *cm = &crypto_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
u32 skip_master = vlib_num_workers () > 0, i;
- u32 state_change = 0;
- vlib_node_state_t state;
+ vlib_node_state_t state = VLIB_NODE_STATE_DISABLED;
+ u8 state_change = 0;
+ CLIB_MEMORY_STORE_BARRIER ();
if (is_enable && cm->async_refcnt == 0)
{
state_change = 1;
- state = VLIB_NODE_STATE_POLLING;
+ state =
+ cm->dispatch_mode == VNET_CRYPTO_ASYNC_DISPATCH_POLLING ?
+ VLIB_NODE_STATE_POLLING : VLIB_NODE_STATE_INTERRUPT;
}
-
if (!is_enable && cm->async_refcnt == 1)
{
state_change = 1;
@@ -575,7 +580,11 @@ vnet_crypto_request_async_mode (int is_enable)
if (state_change)
for (i = skip_master; i < tm->n_vlib_mains; i++)
- vlib_node_set_state (vlib_mains[i], node->index, state);
+ {
+ if (state !=
+ vlib_node_get_state (vlib_mains[i], cm->crypto_node_index))
+ vlib_node_set_state (vlib_mains[i], cm->crypto_node_index, state);
+ }
if (is_enable)
cm->async_refcnt += 1;
@@ -583,6 +592,40 @@ vnet_crypto_request_async_mode (int is_enable)
cm->async_refcnt -= 1;
}
+void
+vnet_crypto_set_async_dispatch_mode (u8 mode)
+{
+ vnet_crypto_main_t *cm = &crypto_main;
+ u32 skip_master = vlib_num_workers () > 0, i;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ vlib_node_state_t state = VLIB_NODE_STATE_DISABLED;
+
+ CLIB_MEMORY_STORE_BARRIER ();
+ cm->dispatch_mode = mode;
+ if (mode == VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT)
+ {
+ state =
+ cm->async_refcnt == 0 ?
+ VLIB_NODE_STATE_DISABLED : VLIB_NODE_STATE_INTERRUPT;
+ }
+ else if (mode == VNET_CRYPTO_ASYNC_DISPATCH_POLLING)
+ {
+ state =
+ cm->async_refcnt == 0 ?
+ VLIB_NODE_STATE_DISABLED : VLIB_NODE_STATE_POLLING;
+ }
+
+ for (i = skip_master; i < tm->n_vlib_mains; i++)
+ {
+ if (state != vlib_node_get_state (vlib_mains[i], cm->crypto_node_index))
+ vlib_node_set_state (vlib_mains[i], cm->crypto_node_index, state);
+ }
+ clib_warning ("Switching dispatch mode might not work is some situations.");
+ clib_warning
+ ("Use 'show crypto async status' to verify that the nodes' states were set");
+ clib_warning ("and if not, set 'crypto async dispatch' mode again.");
+}
+
int
vnet_crypto_is_set_async_handler (vnet_crypto_async_op_id_t op)
{
@@ -663,6 +706,8 @@ vnet_crypto_init (vlib_main_t * vm)
vnet_crypto_main_t *cm = &crypto_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
vnet_crypto_thread_t *ct = 0;
+
+ cm->dispatch_mode = VNET_CRYPTO_ASYNC_DISPATCH_POLLING;
cm->engine_index_by_name = hash_create_string ( /* size */ 0,
sizeof (uword));
cm->alg_index_by_name = hash_create_string (0, sizeof (uword));
@@ -705,7 +750,10 @@ vnet_crypto_init (vlib_main_t * vm)
s);
foreach_crypto_link_async_alg
#undef _
- return 0;
+ cm->crypto_node_index =
+ vlib_get_node_by_name (vm, (u8 *) "crypto-dispatch")->index;
+
+ return 0;
}
VLIB_INIT_FUNCTION (vnet_crypto_init);
diff --git a/src/vnet/crypto/crypto.h b/src/vnet/crypto/crypto.h
index 777923a8be7..a4a82d6118c 100644
--- a/src/vnet/crypto/crypto.h
+++ b/src/vnet/crypto/crypto.h
@@ -18,7 +18,7 @@
#include <vlib/vlib.h>
-#define VNET_CRYPTO_FRAME_SIZE 32
+#define VNET_CRYPTO_FRAME_SIZE 64
/* CRYPTO_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES */
#define foreach_crypto_cipher_alg \
@@ -322,15 +322,17 @@ typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
#define VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED 0
-#define VNET_CRYPTO_FRAME_STATE_WORK_IN_PROGRESS 1
-#define VNET_CRYPTO_FRAME_STATE_SUCCESS 2
-#define VNET_CRYPTO_FRAME_STATE_ELT_ERROR 3
+#define VNET_CRYPTO_FRAME_STATE_PENDING 1 /* frame waiting to be processed */
+#define VNET_CRYPTO_FRAME_STATE_WORK_IN_PROGRESS 2
+#define VNET_CRYPTO_FRAME_STATE_SUCCESS 3
+#define VNET_CRYPTO_FRAME_STATE_ELT_ERROR 4
u8 state;
vnet_crypto_async_op_id_t op:8;
u16 n_elts;
vnet_crypto_async_frame_elt_t elts[VNET_CRYPTO_FRAME_SIZE];
u32 buffer_indices[VNET_CRYPTO_FRAME_SIZE];
u16 next_node_index[VNET_CRYPTO_FRAME_SIZE];
+ u32 enqueue_thread_index;
} vnet_crypto_async_frame_t;
typedef struct
@@ -357,13 +359,16 @@ typedef void (vnet_crypto_key_handler_t) (vlib_main_t * vm,
vnet_crypto_key_index_t idx);
/** async crypto function handlers **/
-typedef int (vnet_crypto_frame_enqueue_t) (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame);
+typedef int
+ (vnet_crypto_frame_enqueue_t) (vlib_main_t * vm,
+ vnet_crypto_async_frame_t * frame);
typedef vnet_crypto_async_frame_t *
- (vnet_crypto_frame_dequeue_t) (vlib_main_t * vm);
+ (vnet_crypto_frame_dequeue_t) (vlib_main_t * vm, u32 * nb_elts_processed,
+ u32 * enqueue_thread_idx);
-u32 vnet_crypto_register_engine (vlib_main_t * vm, char *name, int prio,
- char *desc);
+u32
+vnet_crypto_register_engine (vlib_main_t * vm, char *name, int prio,
+ char *desc);
void vnet_crypto_register_ops_handler (vlib_main_t * vm, u32 engine_index,
vnet_crypto_op_id_t opt,
@@ -431,6 +436,10 @@ typedef struct
vnet_crypto_async_alg_data_t *async_algs;
u32 async_refcnt;
vnet_crypto_async_next_node_t *next_nodes;
+ u32 crypto_node_index;
+#define VNET_CRYPTO_ASYNC_DISPATCH_POLLING 0
+#define VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT 1
+ u8 dispatch_mode;
} vnet_crypto_main_t;
extern vnet_crypto_main_t crypto_main;
@@ -466,6 +475,8 @@ int vnet_crypto_is_set_async_handler (vnet_crypto_async_op_id_t opt);
void vnet_crypto_request_async_mode (int is_enable);
+void vnet_crypto_set_async_dispatch_mode (u8 mode);
+
vnet_crypto_async_alg_t vnet_crypto_link_algs (vnet_crypto_alg_t crypto_alg,
vnet_crypto_alg_t integ_alg);
@@ -551,14 +562,18 @@ vnet_crypto_async_submit_open_frame (vlib_main_t * vm,
vnet_crypto_async_frame_t * frame)
{
vnet_crypto_main_t *cm = &crypto_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
vnet_crypto_thread_t *ct = cm->threads + vm->thread_index;
vnet_crypto_async_op_id_t opt = frame->op;
+ u32 i = vlib_num_workers () > 0;
+
int ret = (cm->enqueue_handlers[frame->op]) (vm, frame);
+ frame->enqueue_thread_index = vm->thread_index;
clib_bitmap_set_no_check (cm->async_active_ids, opt, 1);
if (PREDICT_TRUE (ret == 0))
{
vnet_crypto_async_frame_t *nf = 0;
- frame->state = VNET_CRYPTO_FRAME_STATE_WORK_IN_PROGRESS;
+ frame->state = VNET_CRYPTO_FRAME_STATE_PENDING;
pool_get_aligned (ct->frame_pool, nf, CLIB_CACHE_LINE_BYTES);
if (CLIB_DEBUG > 0)
clib_memset (nf, 0xfe, sizeof (*nf));
@@ -567,6 +582,15 @@ vnet_crypto_async_submit_open_frame (vlib_main_t * vm,
nf->n_elts = 0;
ct->frames[opt] = nf;
}
+
+ if (cm->dispatch_mode == VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT)
+ {
+ for (; i < tm->n_vlib_mains; i++)
+ {
+ vlib_node_set_interrupt_pending (vlib_mains[i],
+ cm->crypto_node_index);
+ }
+ }
return ret;
}
diff --git a/src/vnet/crypto/node.c b/src/vnet/crypto/node.c
index 51ee63d1d62..12e6033ad80 100644
--- a/src/vnet/crypto/node.c
+++ b/src/vnet/crypto/node.c
@@ -74,60 +74,78 @@ vnet_crypto_async_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
static_always_inline u32
crypto_dequeue_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
vnet_crypto_thread_t * ct,
- vnet_crypto_frame_dequeue_t * hdl,
- u32 n_cache, u32 * n_total)
+ vnet_crypto_frame_dequeue_t * hdl, u32 n_cache,
+ u32 * n_total)
{
- vnet_crypto_async_frame_t *cf = (hdl) (vm);
+ vnet_crypto_main_t *cm = &crypto_main;
+ u32 n_elts = 0;
+ u32 enqueue_thread_idx = ~0;
+ vnet_crypto_async_frame_t *cf = (hdl) (vm, &n_elts, &enqueue_thread_idx);
+ *n_total += n_elts;
- while (cf)
+ while (cf || n_elts)
{
- vec_validate (ct->buffer_indice, n_cache + cf->n_elts);
- vec_validate (ct->nexts, n_cache + cf->n_elts);
- clib_memcpy_fast (ct->buffer_indice + n_cache, cf->buffer_indices,
- sizeof (u32) * cf->n_elts);
- if (cf->state == VNET_CRYPTO_FRAME_STATE_SUCCESS)
- {
- clib_memcpy_fast (ct->nexts + n_cache, cf->next_node_index,
- sizeof (u16) * cf->n_elts);
- }
- else
+ if (cf)
{
- u32 i;
- for (i = 0; i < cf->n_elts; i++)
+ vec_validate (ct->buffer_indice, n_cache + cf->n_elts);
+ vec_validate (ct->nexts, n_cache + cf->n_elts);
+ clib_memcpy_fast (ct->buffer_indice + n_cache, cf->buffer_indices,
+ sizeof (u32) * cf->n_elts);
+ if (cf->state == VNET_CRYPTO_FRAME_STATE_SUCCESS)
+ {
+ clib_memcpy_fast (ct->nexts + n_cache, cf->next_node_index,
+ sizeof (u16) * cf->n_elts);
+ }
+ else
{
- if (cf->elts[i].status != VNET_CRYPTO_OP_STATUS_COMPLETED)
+ u32 i;
+ for (i = 0; i < cf->n_elts; i++)
{
- ct->nexts[i + n_cache] = CRYPTO_DISPATCH_NEXT_ERR_DROP;
- vlib_node_increment_counter (vm, node->node_index,
- cf->elts[i].status, 1);
+ if (cf->elts[i].status != VNET_CRYPTO_OP_STATUS_COMPLETED)
+ {
+ ct->nexts[i + n_cache] = CRYPTO_DISPATCH_NEXT_ERR_DROP;
+ vlib_node_increment_counter (vm, node->node_index,
+ cf->elts[i].status, 1);
+ }
+ else
+ ct->nexts[i + n_cache] = cf->next_node_index[i];
}
- else
- ct->nexts[i + n_cache] = cf->next_node_index[i];
}
- }
- n_cache += cf->n_elts;
- *n_total += cf->n_elts;
- if (n_cache >= VLIB_FRAME_SIZE)
- {
- vlib_buffer_enqueue_to_next (vm, node, ct->buffer_indice, ct->nexts,
- n_cache);
- n_cache = 0;
- }
-
- if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
- {
- u32 i;
+ n_cache += cf->n_elts;
+ if (n_cache >= VLIB_FRAME_SIZE)
+ {
+ vlib_buffer_enqueue_to_next (vm, node, ct->buffer_indice,
+ ct->nexts, n_cache);
+ n_cache = 0;
+ }
- for (i = 0; i < cf->n_elts; i++)
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
{
- vlib_buffer_t *b = vlib_get_buffer (vm, cf->buffer_indices[i]);
- if (b->flags & VLIB_BUFFER_IS_TRACED)
- vnet_crypto_async_add_trace (vm, node, b, cf->op,
- cf->elts[i].status);
+ u32 i;
+
+ for (i = 0; i < cf->n_elts; i++)
+ {
+ vlib_buffer_t *b = vlib_get_buffer (vm,
+ cf->buffer_indices[i]);
+ if (b->flags & VLIB_BUFFER_IS_TRACED)
+ vnet_crypto_async_add_trace (vm, node, b, cf->op,
+ cf->elts[i].status);
+ }
}
+ vnet_crypto_async_free_frame (vm, cf);
+ }
+ /* signal enqueue-thread to dequeue the processed frame (n_elts>0) */
+ if (cm->dispatch_mode == VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT
+ && n_elts > 0)
+ {
+ vlib_node_set_interrupt_pending (vlib_mains[enqueue_thread_idx],
+ cm->crypto_node_index);
}
- vnet_crypto_async_free_frame (vm, cf);
- cf = (hdl) (vm);
+
+ n_elts = 0;
+ enqueue_thread_idx = 0;
+ cf = (hdl) (vm, &n_elts, &enqueue_thread_idx);
+ *n_total += n_elts;
}
return n_cache;