From: Jamal Hadi Salim <j...@mojatatu.com> Date: Wed, 17 Feb 2016 06:06:02 -0500
> On 16-02-17 12:18 AM, John Fastabend wrote: >> This adds an ixgbe data structure that is used to determine what >> headers:fields can be matched and in what order they are supported. >> >> For hardware devices this can be a bit tricky because typically >> only pre-programmed (firmware, ucode, rtl) parse graphs will be >> supported and we don't yet have an interface to change these from >> the OS. So its sort of a you get whatever your friendly vendor >> provides affair at the moment. >> >> In the future we can add the get routines and set routines to >> update this data structure. One interesting thing to note here >> is the data structure here identifies ethernet, ip, and tcp >> fields without having to hardcode them as enumerations or use >> other identifiers. >> >> Signed-off-by: John Fastabend <john.r.fastab...@intel.com> > > > should __u32 be u32? Also at some points you seem to interchangeably > use unsigned int vs u32. I think most of unsigned ints should be u32. Anything only kernel visible should be 'u32', whereas if the object is exported via a uapi header file it should be '__u32'.