John,
On Fri, Feb 12, 2016 at 12:09 AM, John Crispin <blo...@openwrt.org> wrote:
>
>
>
> On 08/02/2016 20:52, Pushpal Sidhu wrote:
> > Kernel package enables the Freescale CAAM (crypto accelerator and assurance
> > module, aka SEC4). Sets kernel defaults for ringsize, intc, and debug.
> >
> > Signed-off-by: Pushpal Sidhu <psi...@gateworks.com>
> > ---
> > v2 changes:
> > - Move package location up before crypto-hw-talitos for alphabetical
> > reasons
> > - added TARGET_mpc85xx to depends list
> > - renamed package from crypto-fsl-caam to crypto-hw-caam
> >
> > package/kernel/linux/modules/crypto.mk | 26 ++++++++++++++++++++++++++
> > 1 file changed, 26 insertions(+)
> >
> > diff --git a/package/kernel/linux/modules/crypto.mk
> > b/package/kernel/linux/modules/crypto.mk
> > index a47a1b6..ce3191f 100644
> > --- a/package/kernel/linux/modules/crypto.mk
> > +++ b/package/kernel/linux/modules/crypto.mk
> > @@ -145,6 +145,32 @@ endef
> > $(eval $(call KernelPackage,crypto-seqiv))
> >
> >
> > +define KernelPackage/crypto-hw-caam
> > + TITLE:=Freescale CAAM driver (SEC4)
> > + DEPENDS:=@TARGET_imx6||TARGET_mpc85xx +kmod-crypto-aead
> > +kmod-crypto-authenc +kmod-crypto-hash +kmod-random-core
> > + KCONFIG:= \
> > + CONFIG_CRYPTO_HW=y \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_JR \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_AHASH_API \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_API \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_RINGSIZE=9 \
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_INTC=n \
>
> i assume these are the irqs, why are they turned of ? it seems odd.
>
> John
No, the INTC is specifically "Interrupt Coalescing" for the job ring.
A note in the Kconfig states this:
Note: the driver already provides adequate
interrupt coalescing in software.
I assume this is why it's defaulted to 'N'.
- Pushpal
> > + CONFIG_CRYPTO_DEV_FSL_CAAM_DEBUG=n
> > + FILES:= \
> > + $(LINUX_DIR)/drivers/crypto/caam/caam.ko \
> > + $(LINUX_DIR)/drivers/crypto/caam/caamalg.ko \
> > + $(LINUX_DIR)/drivers/crypto/caam/caamhash.ko \
> > + $(LINUX_DIR)/drivers/crypto/caam/caam_jr.ko \
> > + $(LINUX_DIR)/drivers/crypto/caam/caamrng.ko
> > + AUTOLOAD:=$(call AutoLoad,09,caam caamalg caamhash caam_jr caamrng)
> > + $(call AddDepends/crypto)
> > +endef
> > +
> > +$(eval $(call KernelPackage,crypto-hw-caam))
> > +
> > +
> > define KernelPackage/crypto-hw-talitos
> > TITLE:=Freescale integrated security engine (SEC) driver
> > DEPENDS:=+kmod-crypto-manager +kmod-crypto-hash +kmod-random-core
> > +kmod-crypto-authenc
> >
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