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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Stephen Hemminger <stephen@networkplumber.org>,
	Chas Williams <3chas3@gmail.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] bnx2x: tx_start_bd->vlan_or_ethertype is le16
Date: Wed, 02 Dec 2015 00:34:37 +0100	[thread overview]
Message-ID: <3362628.iLARgdqr6m@xps13> (raw)
In-Reply-To: <20151201143754.06675ca9@xeon-e3>

2015-12-01 14:37, Stephen Hemminger:
> Harish Patil <harish.patil@qlogic.com> wrote:
> > >2015-11-03 12:26, Chas Williams:  
> > >> --- a/drivers/net/bnx2x/bnx2x.c
> > >> +++ b/drivers/net/bnx2x/bnx2x.c
> > >> -                            tx_start_bd->vlan_or_ethertype = eh->ether_type;
> > >> +                            tx_start_bd->vlan_or_ethertype
> > >> +                                = rte_cpu_to_le_16(rte_be_to_cpu_16(eh->ether_type));
> > 
> > Minor question - any specific reason to use rte_be_to_cpu_16() on
> > ether_type alone before converting from native order to le16?
> 
> ether_type is in network byte order (big endian)
> and hardware wants little endian. On x86 the second step is a nop.

Doesn't it deserve a macro rte_ntole16()?
It may be in lib/librte_eal/common/include/generic/rte_byteorder.h.

  parent reply	other threads:[~2015-12-01 23:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-03 17:26 Chas Williams
2015-11-24 13:42 ` Thomas Monjalon
2015-12-01 21:53   ` Harish Patil
2015-12-01 22:37     ` Stephen Hemminger
2015-12-01 22:47       ` Harish Patil
2015-12-01 23:34       ` Thomas Monjalon [this message]
2015-12-01 23:58         ` Charles (Chas) Williams
2015-12-02  1:04           ` Thomas Monjalon
2015-12-02 10:18             ` Charles (Chas) Williams
2015-12-02 10:44               ` Thomas Monjalon
2015-12-06 21:55     ` Thomas Monjalon

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