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From: Pablo de Lara <pablo.de.lara.guarch@intel.com>
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Cc: declan.doherty@intel.com,
Pablo de Lara <pablo.de.lara.guarch@intel.com>
Date: Thu, 31 Mar 2016 10:32:14 +0100
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Subject: [dpdk-dev] [PATCH v3 8/8] l2fwd-crypto: extend crypto information
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Display extra crypto information (algorithms, keys/IV/AAD used, chain...),
so user can know exactly what operations are being carried out.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
---
examples/l2fwd-crypto/main.c | 84 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 82 insertions(+), 2 deletions(-)
diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c
index 5fb33df..09a07d3 100644
--- a/examples/l2fwd-crypto/main.c
+++ b/examples/l2fwd-crypto/main.c
@@ -71,6 +71,7 @@
#include <rte_prefetch.h>
#include <rte_random.h>
#include <rte_ring.h>
+#include <rte_hexdump.h>
enum cdev_type {
CDEV_TYPE_ANY,
@@ -634,8 +635,6 @@ l2fwd_main_loop(struct l2fwd_crypto_options *options)
RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
- l2fwd_crypto_options_print(options);
-
for (i = 0; i < qconf->nb_rx_ports; i++) {
portid = qconf->rx_port_list[i];
@@ -708,6 +707,14 @@ l2fwd_main_loop(struct l2fwd_crypto_options *options)
port_cparams[i].dev_id);
}
+ l2fwd_crypto_options_print(options);
+
+ /*
+ * Initialize previous tsc timestamp before the loop,
+ * to avoid showing the port statistics immediately,
+ * so user can see the crypto information.
+ */
+ prev_tsc = rte_rdtsc();
while (1) {
cur_tsc = rte_rdtsc();
@@ -1213,8 +1220,45 @@ l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
}
static void
+display_cipher_info(struct l2fwd_crypto_options *options)
+{
+ printf("\n---- Cipher information ---\n");
+ printf("Algorithm: %s\n",
+ supported_cipher_algo[options->cipher_xform.cipher.algo]);
+ rte_hexdump(stdout, "Cipher key:",
+ options->cipher_xform.cipher.key.data,
+ options->cipher_xform.cipher.key.length);
+ rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
+}
+
+static void
+display_auth_info(struct l2fwd_crypto_options *options)
+{
+ printf("\n---- Authentication information ---\n");
+ printf("Algorithm: %s\n",
+ supported_auth_algo[options->auth_xform.auth.algo]);
+ rte_hexdump(stdout, "Auth key:",
+ options->auth_xform.auth.key.data,
+ options->auth_xform.auth.key.length);
+ rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
+}
+
+static void
l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
{
+ char string_cipher_op[MAX_STR_LEN];
+ char string_auth_op[MAX_STR_LEN];
+
+ if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ strcpy(string_cipher_op, "Encrypt");
+ else
+ strcpy(string_cipher_op, "Decrypt");
+
+ if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
+ strcpy(string_auth_op, "Auth generate");
+ else
+ strcpy(string_auth_op, "Auth verify");
+
printf("Options:-\nn");
printf("portmask: %x\n", options->portmask);
printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
@@ -1226,6 +1270,42 @@ l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
printf("sessionless crypto: %s\n",
options->sessionless ? "enabled" : "disabled");
+
+ if (options->ckey_param && (options->ckey_random_size != -1))
+ printf("Cipher key already parsed, ignoring size of random key\n");
+
+ if (options->akey_param && (options->akey_random_size != -1))
+ printf("Auth key already parsed, ignoring size of random key\n");
+
+ if (options->iv_param && (options->iv_random_size != -1))
+ printf("IV already parsed, ignoring size of random IV\n");
+
+ if (options->aad_param && (options->aad_random_size != -1))
+ printf("AAD already parsed, ignoring size of random AAD\n");
+
+ printf("\nCrypto chain: ");
+ switch (options->xform_chain) {
+ case L2FWD_CRYPTO_CIPHER_HASH:
+ printf("Input --> %s --> %s --> Output\n",
+ string_cipher_op, string_auth_op);
+ display_cipher_info(options);
+ display_auth_info(options);
+ break;
+ case L2FWD_CRYPTO_HASH_CIPHER:
+ printf("Input --> %s --> %s --> Output\n",
+ string_auth_op, string_cipher_op);
+ display_cipher_info(options);
+ display_auth_info(options);
+ break;
+ case L2FWD_CRYPTO_HASH_ONLY:
+ printf("Input --> %s --> Output\n", string_auth_op);
+ display_auth_info(options);
+ break;
+ case L2FWD_CRYPTO_CIPHER_ONLY:
+ printf("Input --> %s --> Output\n", string_cipher_op);
+ display_cipher_info(options);
+ break;
+ }
}
/* Parse the argument given in the command line of the application */
--
2.5.5