[dpdk-dev] [PATCH 1/3] cryptodev: add new APIs to assist PMD initialisation
Gaëtan Rivet
gaetan.rivet at 6wind.com
Wed Oct 25 02:59:49 CEST 2017
On Tue, Oct 24, 2017 at 04:09:19PM +0200, Tomasz Duszynski wrote:
> Hi Declan,
>
> Some comments inline.
>
> On Fri, Oct 20, 2017 at 10:21:11PM +0100, Declan Doherty wrote:
> > Adds new PMD assist functions which are bus independent for driver to
> > create and destroy new device instances.
> >
> > Also includes function to parse parameters which can be passed to
> > driver on device initialisation.
> >
> > Signed-off-by: Declan Doherty <declan.doherty at intel.com>
> > ---
> > lib/librte_cryptodev/rte_cryptodev.h | 8 +-
> > lib/librte_cryptodev/rte_cryptodev_pmd.c | 169 +++++++++++++++++++++++++
> > lib/librte_cryptodev/rte_cryptodev_pmd.h | 88 +++++++++++++
> > lib/librte_cryptodev/rte_cryptodev_version.map | 3 +
> > 4 files changed, 264 insertions(+), 4 deletions(-)
> >
> > diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
> > index fd0e3f1..86257b0 100644
> > --- a/lib/librte_cryptodev/rte_cryptodev.h
> > +++ b/lib/librte_cryptodev/rte_cryptodev.h
> > @@ -60,10 +60,10 @@ extern const char **rte_cyptodev_names;
> > RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
> > __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
> >
> > -#define CDEV_PMD_LOG_ERR(dev, ...) \
> > - RTE_LOG(ERR, CRYPTODEV, \
> > - RTE_FMT("[%s] %s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
> > - dev, __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
> > +#define CDEV_LOG_INFO(...) \
> > + RTE_LOG(INFO, CRYPTODEV, \
> > + RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
> > + __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
> >
> > #ifdef RTE_LIBRTE_CRYPTODEV_DEBUG
> > #define CDEV_LOG_DEBUG(...) \
> > diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.c b/lib/librte_cryptodev/rte_cryptodev_pmd.c
> > index a57faad..6cb4419 100644
> > --- a/lib/librte_cryptodev/rte_cryptodev_pmd.c
> > +++ b/lib/librte_cryptodev/rte_cryptodev_pmd.c
> > @@ -40,6 +40,175 @@
> > * Parse name from argument
> > */
> > static int
> > +rte_cryptodev_pmd_parse_name_arg(const char *key __rte_unused,
> > + const char *value, void *extra_args)
> > +{
> > + struct rte_cryptodev_pmd_init_params *params = extra_args;
> > +
> > + if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
> > + CDEV_LOG_ERR("Invalid name %s, should be less than "
> > + "%u bytes", value,
> > + RTE_CRYPTODEV_NAME_MAX_LEN - 1);
> > + return -1;
> > + }
> > +
> > + strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
>
> Would strcpy() do here? At this point we already know that name will
> fit into params->name.
>
snprintf should be preferred to str(n)cpy, in order to ensure having the
terminating null byte.
> > --
> > 2.9.4
> >
>
> --
> - Tomasz Duszyński
--
Gaëtan Rivet
6WIND
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