On Tue, Jun 29, 2021 at 05:25:41PM +0200, Alexander Bluhm wrote:
> On Fri, Jun 18, 2021 at 11:49:25PM +0300, Vitaliy Makkoveev wrote:
> > I'm lurking in crypto(9) and I found 'cryptocap' structure has unused
> > members. Do we want to keep them or they could gone?
>
> Looks like statistics that are never evluated. We should move, but
> I am not sure about the direction.
>
> What happened to the kstat feature? It is in the tree, but was
> never enabled.
>
> I we revive this, the counters cc_operations and cc_bytes could
> stay there. If not, they are useless and can go away.
>
> cc_koperations and cc_queued are not used at all. OK to remove them.
>
> bluhm
>
Sorry for delay.
I removed `cc_koperations' and `cc_queued'.
Do we have interest of statistics provided by cc_operations and cc_bytes
couters? Is it useful?
> > Index: sys/crypto/crypto.c
> > ===================================================================
> > RCS file: /cvs/src/sys/crypto/crypto.c,v
> > retrieving revision 1.82
> > diff -u -p -r1.82 crypto.c
> > --- sys/crypto/crypto.c 30 Mar 2020 17:48:39 -0000 1.82
> > +++ sys/crypto/crypto.c 18 Jun 2021 20:13:52 -0000
> > @@ -431,9 +431,6 @@ crypto_invoke(struct cryptop *crp)
> > if (crypto_drivers[hid].cc_process == NULL)
> > goto migrate;
> >
> > - crypto_drivers[hid].cc_operations++;
> > - crypto_drivers[hid].cc_bytes += crp->crp_ilen;
> > -
> > error = crypto_drivers[hid].cc_process(crp);
> > if (error) {
> > if (error == ERESTART) {
> > Index: sys/crypto/cryptodev.h
> > ===================================================================
> > RCS file: /cvs/src/sys/crypto/cryptodev.h,v
> > retrieving revision 1.71
> > diff -u -p -r1.71 cryptodev.h
> > --- sys/crypto/cryptodev.h 10 Aug 2017 18:57:20 -0000 1.71
> > +++ sys/crypto/cryptodev.h 18 Jun 2021 20:13:52 -0000
> > @@ -195,17 +195,9 @@ struct cryptop {
> >
> > /* Crypto capabilities structure */
> > struct cryptocap {
> > - u_int64_t cc_operations; /* Counter of how many ops done */
> > - u_int64_t cc_bytes; /* Counter of how many bytes done */
> > - u_int64_t cc_koperations; /* How many PK ops done */
> > -
> > u_int32_t cc_sessions; /* How many sessions allocated */
> > -
> > /* Symmetric/hash algorithms supported */
> > int cc_alg[CRYPTO_ALGORITHM_MAX + 1];
> > -
> > - int cc_queued; /* Operations queued */
> > -
> > u_int8_t cc_flags;
> > #define CRYPTOCAP_F_CLEANUP 0x01
> > #define CRYPTOCAP_F_SOFTWARE 0x02
>