netdev - Re: [ovs-dev] [RFC: add openvswitch actions using BPF 5/9] bpf: add the first BPF program.

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Message-ID: <20150205141854.GD5546@pox.localdomain>
Date:	Thu, 5 Feb 2015 15:18:54 +0100
From:	Thomas Graf <tgraf@...ronetworks.com>
To:	Andy Zhou <azhou@...ira.com>
Cc:	dev@...nvswitch.com, netdev@...r.kernel.org
Subject: Re: [ovs-dev] [RFC: add openvswitch actions using BPF 5/9] bpf: add
 the first BPF program.

First of all, I *love* this. I have some questions on versioning of
helpers in the kernel. I will put comments in the respective kernel
patches directly.

On 02/04/15 at 02:49pm, Andy Zhou wrote:
> +EXTRA_DIST += $(srcdir)/bpf/ovs-bpf-helpers.h \
> +	      $(srcdir)/bpf/bpf-shared.h \
> +	      $(srcdir)/bpf/ovs-actions.c
> +
> +DEP_FILES  = $(srcdir)/bpf/ovs-bpf-helpers.h \
> +	     $(srcdir)/bpf/bpf-shared.h \
> +             $(srcdir)/datapath/linux/compat/include/linux/openvswitch.h

Some tab / space mixing here.

> +bpf/ovs-actions.bpf: $(srcdir)/bpf/ovs-actions.c $(DEP_FILES)
> +	$(AM_V_GEN)clang -DHAVE_CONFIG_H $(BPF_INCLUDES) $(NOSTDINC_FLAGS) \
> +		$(AM_CFLAGS) $(EXTRA_CFLAGS) -Wno-unused-value -Wno-pointer-sign \
> +		-O2 -emit-llvm -c $< -o -| $(LLC) -filetype=obj -o $@

I assume you will convert this to a Makefile template
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