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#include <vlib/vlib.h>
#include <vnet/ip/ip.h>
#include <odp/ipsec/ipsec.h>
#include <odp/ipsec/esp.h>
#include <odp/odp_packet.h>
#include <assert.h>
#define foreach_odp_crypto_input_next \
_(DROP, "error-drop") \
_(ENCRYPT_POST, "odp-crypto-esp-encrypt-post") \
_(DECRYPT_POST, "odp-crypto-esp-decrypt-post")
typedef enum
{
#define _(f, s) ODP_CRYPTO_INPUT_NEXT_##f,
foreach_odp_crypto_input_next
#undef _
ODP_CRYPTO_INPUT_N_NEXT,
} odp_crypto_input_next_t;
#define foreach_crypto_input_error \
_(DEQUE_COP, "Dequed crypto operations") \
_(CRYPTO_ERROR, "Error while performing crypto")
typedef enum
{
#define _(sym,str) CRYPTO_INPUT_ERROR_##sym,
foreach_crypto_input_error
#undef _
} crypto_input_error_t;
static char *crypto_input_error_strings[] = {
#define _(sym,string) string,
foreach_crypto_input_error
#undef _
};
typedef struct
{
u32 next_index;
odp_packet_t pkt;
} odp_packet_crypto_trace_t;
static u8 *
format_odp_crypto_input_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
s = format (s, " odp-crypto-input ");
return s;
}
static uword
odp_dequeue_cops (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame, odp_queue_t queue,
u32 next_node_index)
{
u32 next_index = next_node_index, n_deq, n_cops, *to_next = 0;
const int MAX_EVENTS = (1 << 8);
odp_event_t events[MAX_EVENTS];
n_deq = odp_queue_deq_multi (queue, events, MAX_EVENTS);
n_cops = n_deq;
int index = 0;
while (n_cops > 0)
{
u32 n_left_to_next;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_cops > 0 && n_left_to_next > 0)
{
odp_event_t event = events[index++];
odp_crypto_compl_t compl;
odp_crypto_op_result_t result;
odp_packet_t pkt;
vlib_buffer_t *b0;
u32 bi0;
u32 next0 = next_index;
/* We are not interested in other event types */
ASSERT (ODP_EVENT_PACKET == odp_event_type (event));
compl = odp_crypto_compl_from_event (event);
odp_crypto_compl_result (compl, &result);
if (PREDICT_FALSE (!result.ok))
{
vlib_node_increment_counter (vm, odp_crypto_input_node.index,
CRYPTO_INPUT_ERROR_CRYPTO_ERROR,
1);
next0 = ODP_CRYPTO_INPUT_NEXT_DROP;
}
pkt = result.pkt;
b0 = vlib_buffer_from_odp_packet (pkt);
bi0 = vlib_get_buffer_index (vm, b0);
to_next[0] = bi0;
to_next += 1;
n_cops -= 1;
n_left_to_next -= 1;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
odp_packet_crypto_trace_t *tr;
tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
tr->next_index = next0;
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, bi0,
next0);
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
vlib_node_increment_counter (vm, odp_crypto_input_node.index,
CRYPTO_INPUT_ERROR_DEQUE_COP, n_deq);
return n_deq;
}
static uword
odp_crypto_input_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
odp_crypto_main_t *ocm = &odp_crypto_main;
u32 thread_index = vlib_get_thread_index ();
odp_crypto_worker_main_t *cwm =
vec_elt_at_index (ocm->workers, thread_index);
u32 n_cops_dequeued = 0;
n_cops_dequeued +=
odp_dequeue_cops (vm, node, frame, cwm->post_encrypt,
ODP_CRYPTO_INPUT_NEXT_ENCRYPT_POST);
n_cops_dequeued +=
odp_dequeue_cops (vm, node, frame, cwm->post_decrypt,
ODP_CRYPTO_INPUT_NEXT_DECRYPT_POST);
return n_cops_dequeued;
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (odp_crypto_input_node) =
{
.function = odp_crypto_input_node_fn,
.name = "odp-crypto-input",
.format_trace = format_odp_crypto_input_trace,
.type = VLIB_NODE_TYPE_INPUT,
.state = VLIB_NODE_STATE_DISABLED,
.n_errors = ARRAY_LEN(crypto_input_error_strings),
.error_strings = crypto_input_error_strings,
.n_next_nodes = ODP_CRYPTO_INPUT_N_NEXT,
.next_nodes =
{
#define _(s, n) [ODP_CRYPTO_INPUT_NEXT_##s] = n,
foreach_odp_crypto_input_next
#undef _
},
};
/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (odp_crypto_input_node,
odp_crypto_input_node_fn);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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