On 19-07-04 19:59, Ferruh Yigit wrote:
> External Email
>
> ----------------------------------------------------------------------
> On 7/4/2019 3:39 PM, kka...@marvell.com wrote:
> > From: Krzysztof Kanas <kka...@marvell.com>
> >
> > Print system error to make easier diagnosis of errors with af_packet.
> >
> > Signed-off-by: Krzysztof Kanas <kka...@marvell.com>
> > ---
> > drivers/net/af_packet/rte_eth_af_packet.c | 47 ++++++++++++-----------
> > 1 file changed, 24 insertions(+), 23 deletions(-)
> >
> > diff --git a/drivers/net/af_packet/rte_eth_af_packet.c
> > b/drivers/net/af_packet/rte_eth_af_packet.c
> > index f396f8b22a55..94ae4b13398d 100644
> > --- a/drivers/net/af_packet/rte_eth_af_packet.c
> > +++ b/drivers/net/af_packet/rte_eth_af_packet.c
> > @@ -13,7 +13,9 @@
> > #include <rte_malloc.h>
> > #include <rte_kvargs.h>
> > #include <rte_bus_vdev.h>
> > +#include <rte_errno.h>
> >
> > +#include <errno.h>
> > #include <linux/if_ether.h>
> > #include <linux/if_packet.h>
> > #include <arpa/inet.h>
> > @@ -605,8 +607,8 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
> > }
> > if (ioctl(sockfd, SIOCGIFINDEX, &ifr) == -1) {
> > PMD_LOG(ERR,
> > - "%s: ioctl failed (SIOCGIFINDEX)",
> > - name);
> > + "%s: ioctl failed (SIOCGIFINDEX):%s",
> > + name, rte_strerror(errno));
>
> What do you think adding an new macro that adds ":%s, rte_strerror(errno)"
> part
> automatically and just change the macro on selected logs?
>
I would rather not, as adding macro adds another indirection, and the
purpose of rte_strerror(errno) was just to help debugging wrong
arguments etc..
Also if in macro somebody uses function that changes errno, the
rte_strerror would give bad result.
But no strong opinion on above.
--
-
Regards,
Krzysztof(Chris) Kanas
