[dpdk-dev] [PATCH] examples/ipsec-secgw: add cryptodev mask option
Akhil Goyal
akhil.goyal at nxp.com
Thu Dec 14 07:52:02 CET 2017
Previously, ipsec-secgw application did not give user the
flexibility to decide which crypto device(s) will be used.
In this patch, a new cryptodev_mask option is added to the
application. Same as portmask, the cryptodev_mask avails the
user to mask out the unwanted crypto devices in the system.
This patch is similar to the support added in l2fwd-crypto
(d2797f51cc63: examples/l2fwd-crypto: add cryptodev mask option)
Signed-off-by: Akhil Goyal <akhil.goyal at nxp.com>
---
examples/ipsec-secgw/ipsec-secgw.c | 29 +++++++++++++++++++++++++++--
1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c
index c98454a..dd0c7d1 100644
--- a/examples/ipsec-secgw/ipsec-secgw.c
+++ b/examples/ipsec-secgw/ipsec-secgw.c
@@ -89,6 +89,7 @@
#define OPTION_CONFIG "config"
#define OPTION_SINGLE_SA "single-sa"
+#define OPTION_CRYPTODEV_MASK "cryptodev_mask"
#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
@@ -154,6 +155,7 @@ struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = {
/* mask of enabled ports */
static uint32_t enabled_port_mask;
+static uint64_t enabled_cryptodev_mask = UINT64_MAX;
static uint32_t unprotected_port_mask;
static int32_t promiscuous_on = 1;
static int32_t numa_on = 1; /**< NUMA is enabled by default. */
@@ -848,6 +850,8 @@ print_usage(const char *prgname)
"rx queues configuration\n"
" --single-sa SAIDX: use single SA index for outbound, "
"bypassing the SP\n"
+ " --cryptodev_mask MASK: hexadecimal bitmask of the "
+ "crypto devices to configure\n"
" -f CONFIG_FILE: Configuration file path\n",
prgname);
}
@@ -962,6 +966,14 @@ parse_args_long_options(struct option *lgopts, int32_t option_index)
}
}
+ if (__STRNCMP(optname, OPTION_CRYPTODEV_MASK)) {
+ ret = parse_portmask(optarg);
+ if (ret != -1) {
+ enabled_cryptodev_mask = ret;
+ ret = 0;
+ }
+ }
+
return ret;
}
#undef __STRNCMP
@@ -976,6 +988,7 @@ parse_args(int32_t argc, char **argv)
static struct option lgopts[] = {
{OPTION_CONFIG, 1, 0, 0},
{OPTION_SINGLE_SA, 1, 0, 0},
+ {OPTION_CRYPTODEV_MASK, 1, 0, 0},
{NULL, 0, 0, 0}
};
int32_t f_present = 0;
@@ -1238,6 +1251,16 @@ add_cdev_mapping(struct rte_cryptodev_info *dev_info, uint16_t cdev_id,
return ret;
}
+/* Check if the device is enabled by cryptodev_mask */
+static int
+check_cryptodev_mask(uint8_t cdev_id)
+{
+ if (enabled_cryptodev_mask & (1 << cdev_id))
+ return 0;
+
+ return -1;
+}
+
static int32_t
cryptodevs_init(void)
{
@@ -1275,10 +1298,12 @@ cryptodevs_init(void)
}
idx = 0;
- /* Start from last cdev id to give HW priority */
- for (cdev_id = rte_cryptodev_count() - 1; cdev_id >= 0; cdev_id--) {
+ for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
struct rte_cryptodev_info cdev_info;
+ if (check_cryptodev_mask((uint8_t)cdev_id))
+ continue;
+
rte_cryptodev_info_get(cdev_id, &cdev_info);
if (nb_lcore_params > cdev_info.max_nb_queue_pairs)
--
2.9.3
More information about the dev
mailing list