On 11/21/2016 3:00 PM, Andrew Rybchenko wrote:
> From: Artem Andreev <Artem.Andreev at oktetlabs.ru>
> 
> Implement efsys.h for the PMD.
> 
> Reviewed-by: Andy Moreton <amoreton at solarflare.com>
> Signed-off-by: Artem Andreev <Artem.Andreev at oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
> ---
>  drivers/net/sfc/efx/Makefile |  54 +++
>  drivers/net/sfc/efx/efsys.h  | 767 
> +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 821 insertions(+)
>  create mode 100644 drivers/net/sfc/efx/efsys.h
> 
> diff --git a/drivers/net/sfc/efx/Makefile b/drivers/net/sfc/efx/Makefile
> index 71f07ca..de95ea8 100644
> --- a/drivers/net/sfc/efx/Makefile
> +++ b/drivers/net/sfc/efx/Makefile
> @@ -33,6 +33,8 @@ include $(RTE_SDK)/mk/rte.vars.mk
>  #
>  LIB = librte_pmd_sfc_efx.a
>  
> +CFLAGS += -I$(SRCDIR)/base/
> +CFLAGS += -I$(SRCDIR)
>  CFLAGS += -O3
>  
>  # Enable basic warnings but disable some which are accepted
> @@ -60,6 +62,17 @@ CFLAGS += -Wstrict-prototypes
>  CFLAGS += -Wundef
>  CFLAGS += -Wwrite-strings
>  
> +# Extra CFLAGS for base driver files
> +CFLAGS_BASE_DRIVER += -Wno-unused-variable
> +CFLAGS_BASE_DRIVER += -Wno-unused-but-set-variable

clang complain about this one:
warning: unknown warning option '-Wno-unused-but-set-variable'; did you
mean '-Wno-unused-const-variable'? [-Wunknown-warning-option]


> +
> +#
> +# List of base driver object files for which
> +# special CFLAGS above should be applied
> +#
> +BASE_DRIVER_OBJS=$(patsubst %.c,%.o,$(notdir $(wildcard $(SRCDIR)/base/*.c)))
> +$(foreach obj, $(BASE_DRIVER_OBJS), $(eval CFLAGS+=$(CFLAGS_BASE_DRIVER)))

This cause multiple "-Wno-unused-variable -Wno-unused-but-set-variable"
params in final command, I guess the intention is:

$(foreach obj, $(BASE_DRIVER_OBJS), $(eval
CFLAGS_$(obj)+=$(CFLAGS_BASE_DRIVER)))

Fixing this may generate a few compiler warnings.

<...>

> diff --git a/drivers/net/sfc/efx/efsys.h b/drivers/net/sfc/efx/efsys.h
> new file mode 100644
> index 0000000..2eef996
> --- /dev/null
> +++ b/drivers/net/sfc/efx/efsys.h
> @@ -0,0 +1,767 @@
<...>

I guess below is hardcoded compile time configuration for libefx, do you
think does it make sense to document this default configuration?

> +
> +#define      EFSYS_OPT_NAMES 0
> +
> +#define      EFSYS_OPT_SIENA 0
> +#define      EFSYS_OPT_HUNTINGTON 1
> +#define      EFSYS_OPT_MEDFORD 1
> +#ifdef RTE_LIBRTE_SFC_EFX_DEBUG
> +#define      EFSYS_OPT_CHECK_REG 1
> +#else
> +#define      EFSYS_OPT_CHECK_REG 0
> +#endif
> +
> +#define      EFSYS_OPT_MCDI 1
> +#define      EFSYS_OPT_MCDI_LOGGING 0
> +#define      EFSYS_OPT_MCDI_PROXY_AUTH 0
> +
> +#define      EFSYS_OPT_MAC_STATS 0
> +
> +#define      EFSYS_OPT_LOOPBACK 0
> +
> +#define      EFSYS_OPT_MON_MCDI 0
> +#define      EFSYS_OPT_MON_STATS 0
> +
> +#define      EFSYS_OPT_PHY_STATS 0
> +#define      EFSYS_OPT_BIST 0
> +#define      EFSYS_OPT_PHY_LED_CONTROL 0
> +#define      EFSYS_OPT_PHY_FLAGS 0
> +
> +#define      EFSYS_OPT_VPD 0
> +#define      EFSYS_OPT_NVRAM 0
> +#define      EFSYS_OPT_BOOTCFG 0
> +
> +#define      EFSYS_OPT_DIAG 0
> +#define      EFSYS_OPT_RX_SCALE 0
> +#define      EFSYS_OPT_QSTATS 0
> +#define      EFSYS_OPT_FILTER 1
> +#define      EFSYS_OPT_RX_SCATTER 0
> +
> +#define      EFSYS_OPT_EV_PREFETCH 0
> +
> +#define      EFSYS_OPT_DECODE_INTR_FATAL 0
> +
> +#define      EFSYS_OPT_LICENSING 0
> +
> +#define      EFSYS_OPT_ALLOW_UNCONFIGURED_NIC 0
> +
> +#define      EFSYS_OPT_RX_PACKED_STREAM 0

<...>

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