Messages in this thread | | | From | KY Srinivasan <> | Subject | RE: [PATCH 5/6] Drivers: net: hyperv: Enable send side checksum offload | Date | Thu, 6 Mar 2014 20:29:13 +0000 |
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> -----Original Message----- > From: David Miller [mailto:davem@davemloft.net] > Sent: Friday, March 7, 2014 1:04 AM > To: KY Srinivasan > Cc: netdev@vger.kernel.org; linux-kernel@vger.kernel.org; > devel@linuxdriverproject.org; olaf@aepfle.de; apw@canonical.com; > jasowang@redhat.com > Subject: Re: [PATCH 5/6] Drivers: net: hyperv: Enable send side checksum > offload > > From: "K. Y. Srinivasan" <kys@microsoft.com> > Date: Thu, 6 Mar 2014 03:13:09 -0800 > > > +bool get_net_transport_info(struct sk_buff *skb, bool *is_v4, > > + bool *is_tcp, bool *is_udp, u32 *trans_off) { > > Returning so many values like this is awkward, at best. > > Why not return a well defined bitmask: > > #define TRANSPORT_INFO_SUCCESS 0x00000001 > #define TRANSPORT_INFO_TCP 0x00000002 > #define TRANSPORT_INFO_UDP 0x00000004 > > Then the only value you have to return by reference is trans_off.
I also need information on the IP version as well. If it is ok with you, I will use the return value to get information on the network protocol and return information on transport via reference - protocol and the offset.
Regards,
K. Y
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