[dpdk-dev] [RFC PATCH 1/4] rte_security: API definitions
Akhil Goyal
akhil.goyal at nxp.com
Wed Aug 16 09:39:48 CEST 2017
On 8/15/2017 4:34 PM, Radu Nicolau wrote:
>
> On 8/15/2017 7:35 AM, Akhil Goyal wrote:
>> Detailed description is added in the coverletter
>>
>> Signed-off-by: Akhil Goyal <akhil.goyal at nxp.com>
>> ---
>> lib/librte_cryptodev/rte_security.c | 171 +++++++++++++++
>> lib/librte_cryptodev/rte_security.h | 409
>> ++++++++++++++++++++++++++++++++++++
>> 2 files changed, 580 insertions(+)
>> create mode 100644 lib/librte_cryptodev/rte_security.c
>> create mode 100644 lib/librte_cryptodev/rte_security.h
>>
>> +int
>> +rte_security_session_init(uint16_t dev_id,
>> + struct rte_security_session *sess,
>> + struct rte_security_sess_conf *conf,
>> + struct rte_mempool *mp)
>> +{
>> + struct rte_cryptodev *cdev = NULL;
>> + struct rte_eth_dev *dev = NULL;
>> + uint8_t index;
>> + int ret;
>> +
>> + if (sess == NULL || conf == NULL)
>> + return -EINVAL;
>> +
>> + switch (conf->action_type) {
>> + case RTE_SECURITY_SESS_CRYPTO_PROTO_OFFLOAD:
>> + if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
>> + return -EINVAL;
>> + cdev = rte_cryptodev_pmd_get_dev(dev_id);
>> + index = cdev->driver_id;
>> + if (sess->sess_private_data[index] == NULL) {
>> + ret = cdev->sec_ops->session_configure(cdev, conf, sess,
>> mp);
>> + if (ret < 0) {
>> + CDEV_LOG_ERR(
>> + "cdev_id %d failed to configure session details",
>> + dev_id);
>> + return ret;
>> + }
>> + }
>> + break;
>> + case RTE_SECURITY_SESS_ETH_INLINE_CRYPTO:
>> + case RTE_SECURITY_SESS_ETH_PROTO_OFFLOAD:
>> + dev = &rte_eth_devices[dev_id];
>> + index = dev->data->port_id;
>> + if (sess->sess_private_data[index] == NULL) {
>> +// ret = dev->sec_ops->session_configure(dev, conf, sess,
>> mp);
>> +// if (ret < 0) {
>> +// CDEV_LOG_ERR(
>> +// "dev_id %d failed to configure session details",
>> +// dev_id);
>> +// return ret;
>> +// }
> The commented lines above suggests that also eth devices will have a
> sec_ops field, (which makes sense). Is this correct?
> Also, if the above is correct, session_configure and session_clear
> should accept both crypto and eth devices as first parameter.
Yes you are correct both these ops should accept void *dev and
internally in the driver should typecast to respective device.
Please consider the following diff over this patch
diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h
b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index 219fba6..ab3ecf7 100644
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -371,7 +371,7 @@ struct rte_cryptodev_ops {
* - Returns -ENOTSUP if crypto device does not support the crypto
transform.
* - Returns -ENOMEM if the private session could not be allocated.
*/
-typedef int (*security_configure_session_t)(struct rte_cryptodev *dev,
+typedef int (*security_configure_session_t)(void *dev,
struct rte_security_sess_conf *conf,
struct rte_security_session *sess,
struct rte_mempool *mp);
@@ -382,7 +382,7 @@ typedef int (*security_configure_session_t)(struct
rte_cryptodev *dev,
* @param dev Crypto device pointer
* @param sess Security session structure
*/
-typedef void (*security_free_session_t)(struct rte_cryptodev *dev,
+typedef void (*security_free_session_t)(void *dev,
struct rte_security_session *sess);
/** Security operations function pointer table */
diff --git a/lib/librte_cryptodev/rte_security.c
b/lib/librte_cryptodev/rte_security.c
index 7c73c93..a7558bb 100644
--- a/lib/librte_cryptodev/rte_security.c
+++ b/lib/librte_cryptodev/rte_security.c
@@ -87,7 +87,8 @@ rte_security_session_init(uint16_t dev_id,
cdev = rte_cryptodev_pmd_get_dev(dev_id);
index = cdev->driver_id;
if (sess->sess_private_data[index] == NULL) {
- ret = cdev->sec_ops->session_configure(cdev,
conf, sess, mp);
+ ret = cdev->sec_ops->session_configure((void *)cdev,
+ conf, sess, mp);
if (ret < 0) {
CDEV_LOG_ERR(
"cdev_id %d failed to configure
session details",
@@ -101,7 +102,8 @@ rte_security_session_init(uint16_t dev_id,
dev = &rte_eth_devices[dev_id];
index = dev->data->port_id;
if (sess->sess_private_data[index] == NULL) {
-// ret = dev->sec_ops->session_configure(dev, conf,
sess, mp);
+// ret = dev->sec_ops->session_configure((void *)dev,
+// conf, sess, mp);
Thanks,
Akhil
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