netdev - Re: [PATCH 3/3] bnx2i: Add bnx2i iSCSI driver.

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Message-ID: <1211497195.18326.79.camel@dell>
Date:	Thu, 22 May 2008 15:59:55 -0700
From:	"Michael Chan" <mchan@...adcom.com>
To:	"Christoph Hellwig" <hch@...radead.org>
cc:	"David Miller" <davem@...emloft.net>, michaelc@...wisc.edu,
	anilgv@...adcom.com, netdev <netdev@...r.kernel.org>,
	linux-scsi@...r.kernel.org, open-iscsi@...glegroups.com
Subject: Re: [PATCH 3/3] bnx2i: Add bnx2i iSCSI driver.

On Thu, 2008-05-22 at 17:15 -0400, Christoph Hellwig wrote:
> > +struct bnx2i_async_msg {
> > +#if defined(__BIG_ENDIAN)
> > +	u8 op_code;
> > +	u8 reserved1;
> > +	u16 reserved0;
> > +#elif defined(__LITTLE_ENDIAN)
> > +	u16 reserved0;
> > +	u8 reserved1;
> > +	u8 op_code;
> > +#endif
> > +	u32 reserved2;
> > +	u32 exp_cmd_sn;
> > +	u32 max_cmd_sn;
> > +	u32 reserved3[2];
> 
> Please don't do the ifdef big endian mess.  Just read the whole
> 32bit word and do mask and shift operations to extract the actual value.
> 
> 

I agree with you that u32 is cleaner in some cases.  We can just change
it to u32 op_code and we just need a OP_CODE_MASK of 0xff.

We'll go through this .h file and remove some of this big endian stuff
and also the duplicate constants pointed out earlier.



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