From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fan Du Subject: Re: [PATCH net] gso: do GSO for local skb with size bigger than MTU Date: Thu, 08 Jan 2015 17:39:54 +0800 Message-ID: <54AE506A.5020207@gmail.com> References: <1417156385-18276-1-git-send-email-fan.du@intel.com> <1417158128.3268.2@smtp.corp.redhat.com> <5A90DA2E42F8AE43BC4A093BF0678848DED92B@SHSMSX104.ccr.corp.intel.com> <20141201135225.GA16814@casper.infradead.org> <20141202154839.GB5344@t520.home> <20141202170927.GA9457@casper.infradead.org> <20141202173401.GB4126@redhat.com> <20141202174158.GB9457@casper.infradead.org> <5A90DA2E42F8AE43BC4A093BF0678848DEDFDB@SHSMSX104.ccr.corp.intel.com> <54AA2912.6090903@gmail.com> <54ABAC13.9070402@gmail.com> <54ACCAFD.4070203@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Cc: "dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org" , "Michael S. Tsirkin" , "netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Jason Wang , "Du, Fan" , "fw-HFFVJYpyMKqzQB+pC5nmwQ@public.gmane.org" , "davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org" To: Jesse Gross Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-yBygre7rU0TnMu66kgdUjQ@public.gmane.org Sender: "dev" List-Id: netdev.vger.kernel.org 5LqOIDIwMTXlubQwMeaciDA45pelIDA0OjUyLCBKZXNzZSBHcm9zcyDlhpnpgZM6Cj4+IE15IHVu ZGVyc3RhbmRpbmcgaXM6Cj4+ID5jb250cm9sbGVyIHNldHMgdGhlIGZvcndhcmRpbmcgcnVsZXMg aW50byBrZXJuZWwgZGF0YXBhdGgsIGFueSBmbG93IG5vdAo+PiA+bWF0Y2hpbmcKPj4gPndpdGgg dGhlIHJ1bGVzIGFyZSB0aHJldyB0byBjb250cm9sbGVyIGJ5IHVwY2FsbC4gT25jZSB0aGUgcnVs ZSBkZWNpc2lvbiBpcwo+PiA+bWFkZQo+PiA+YnkgY29udHJvbGxlciwgdGhlbiwgdGhpcyBmbG93 IHBhY2tldCBpcyBwdXNoZWQgZG93biB0byBkYXRhcGF0aCB0byBiZQo+PiA+Zm9yd2FyZGVkCj4+ ID5hZ2FpbiBhY2NvcmRpbmcgdG8gdGhlIG5ldyBydWxlLgo+PiA+Cj4+ID5TbyBJJ20gbm90IHN1 cmUgd2hldGhlciBwdXNoaW5nIHRoZSBvdmVyLU1UVS1zaXplZCBwYWNrZXQgb3IgcHVzaGluZyB0 aGUKPj4gPmZvcmdlZCBJQ01QCj4+ID53aXRob3V0IGVuY2Fwc3VsYXRpb24gdG8gY29udHJvbGxl ciBpcyByZXF1aXJlZCBieSBjdXJyZW50IG92cwo+PiA+aW1wbGVtZW50YXRpb24uIEJ5IGRvaW5n Cj4+ID5zbywgc3VjaCBvdmVyLU1UVS1zaXplZCBwYWNrZXQgaXMgdHJlYXRlZCBhcyBhIGV2ZW50 IGZvciB0aGUgY29udHJvbGxlciB0bwo+PiA+YmUgdGFrZQo+PiA+Y2FyZSBvZi4KPiBJZiBmbG93 cyBhcmUgaW1wbGVtZW50aW5nIHJvdXRpbmcgKGFnYWluLCB0aGV5IGFyZSBkb2luZyB0aGluZ3Mg bGlrZQo+IGRlY3JlbWVudGluZyB0aGUgVFRMKSB0aGVuIGl0IGlzIG5lY2Vzc2FyeSBmb3IgdGhl bSB0byBhbHNvIGhhbmRsZQo+IHRoaXMgc2l0dWF0aW9uIHVzaW5nIHNvbWUgcG90ZW50aWFsbHkg bmV3IHByaW1pdGl2ZXMgKGxpa2UgYSBzaXplCj4gY2hlY2spLiBPdGhlcndpc2UgeW91IGVuZCB1 cCB3aXRoIGlzc3VlcyBsaWtlIHRoZSBvbmVzIHRoYXQgSQo+IG1lbnRpb25lZCBhYm92ZSBsaWtl IG5lZWRpbmcgdG8gZm9yZ2UgYWRkcmVzc2VzIGJlY2F1c2UgeW91IGRvbid0IGtub3cKPiB3aGF0 IHRoZSBjb3JyZWN0IG9uZXMgYXJlLgoKVGhhbmtzIGZvciBleHBsYWluaW5nLCBKZXNzZSEKCmJ0 dywgSSBkb24ndCBnZXQgaXQgYWJvdXQgInRvIGZvcmdlIGFkZHJlc3NlcyIsIGJ1aWxkaW5nIElD TVAgbWVzc2FnZQp3aXRoIEd1ZXN0IHBhY2tldCBkb2Vzbid0IHJlcXVpcmUgdG8gZm9yZ2UgYWRk cmVzcyB3aGVuIG5vdCBlbmNhcHN1bGF0aW5nCklDTVAgbWVzc2FnZSB3aXRoIG91dGVyIGhlYWRl cnMuCgpJZiB0aGUgZmxvd3MgYXJlbid0IGRvaW5nIHRoaW5ncyB0bwo+IGltcGxlbWVudCByb3V0 aW5nLCB0aGVuIHlvdSByZWFsbHkgaGF2ZSBhIGZsYXQgTDIgbmV0d29yayBhbmQgeW91Cj4gc2hv dWxkbid0IGJlIGRvaW5nIHRoaXMgdHlwZSBvZiBiZWhhdmlvciBhdCBhbGwgYXMgSSBkZXNjcmli ZWQgaW4gdGhlCj4gb3JpZ2luYWwgcGxhbi4KCkZvciBmbG93cyBpbXBsZW1lbnRpbmcgcm91dGlu ZyBzY2VuYXJpbzoKRmlyc3Qgb2YgYWxsLCBvdmVyLU1UVS1zaXplZCBwYWNrZXQgY291bGQgb25s eSBiZSBkZXRlY3RlZCBvbmNlIHRoZSBmbG93CmFzIGJlZW4gY29uc3VsdGVkKGVhY2ggcG9ydCBj b3VsZCBpbXBsZW1lbnQgYSAnY2hlY2snIGhvb2sgdG8gZG8gdGhpcyksCmFuZCBqdXN0IGJlZm9y ZSBzZW5kIHRvIHRoZSBhY3R1YWwgcG9ydC4KClRoZW4gcHVzaGluZyB0aGUgb3Zlci1NVFUtc2l6 ZWQgcGFja2V0IGJhY2sgdG8gY29udHJvbGxlciwgaXQncyB0aGUgY29udHJvbGxlcgp3aG8gd2ls bCB3aWxsIGRlY2lkZSB3aGV0aGVyIHRvIGJ1aWxkIElDTVAgbWVzc2FnZSwgb3Igd2hhdGV2ZXIg cm91dGluZyBiZWhhdmlvdXIKaXQgbWF5IHRha2UuIEFuZCBzZW50IGl0IGJhY2sgd2l0aCB0aGUg cG9ydCBpbmZvcm1hdGlvbi4gVGhpcyBJQ01QIG1lc3NhZ2Ugd2lsbAp0cmF2ZWwgYmFjayB0byBH dWVzdC4KCldoeSBkb2VzIHRoZSBmbG93IGhhcyB0byB1c2UgcHJpbWl0aXZlIGxpa2UgYSAiY2hl Y2sgc2l6ZSI/ICJjaGVjayBzaXplIgp3aWxsIG9ubHkgdGFrZSBlZmZlY3QgYWZ0ZXIgZG9fb3V0 cHV0LiBJJ20gbm90IHZlcnkgY2xlYXIgd2l0aCB0aGlzIGFwcHJvYWNoLgoKQW5kIG5vdCBhbGwg c2NlbmFyaW8gaW52b2x2aW5nIGZsb3cgd2l0aCByb3V0aW5nIGJlaGF2aW91ciwganVzdCBzZXQg dXAgYQp2eGxhbiB0dW5uZWwsIGFuZCBhdHRhY2ggS1ZNIGd1ZXN0IG9yIERvY2tlciBvbnRvIGl0 IGZvciBwbGF5aW5nIG9yIGRldmVsb3BpbmcuClRoaXMgd291bGRuJ3QgbmVjZXNzYXJpbHkgcmVx dWlyZSB1c2VyIHRvIHNldCBhZGRpdGlvbmFsIHNwZWNpZmljIGZsb3dzIHRvIG1ha2UKb3Zlci1N VFUtc2l6ZWQgcGFja2V0IHBhc3MgdGhyb3VnaCB0aGUgdHVubmVsIGNvcnJlY3RseS4gSW4gc3Vj aCBzY2VuYXJpbywgSQp0aGluayB0aGUgb3JpZ2luYWwgcGF0Y2ggaW4gdGhpcyB0aHJlYWQgdG8g ZnJhZ21lbnQgdHVubmVsIHBhY2tldCBpcyBzdGlsbCBuZWVkZWQKT1Igd29ya291dCBhIGdlbmVy aWMgY29tcG9uZW50IHRvIGJ1aWxkIElDTVAgZm9yIGFsbCB0eXBlIHR1bm5lbCBpbiBMMiBsZXZl bC4KQm90aCBvZiB0aG9zZSB3aWxsIGFjdCBhcyBhIGJhY2t1cCBwbGFuIGFzIHRoZXJlIGlzIG5v IHN1Y2ggc3BlY2lmaWMgZmxvdyBhcwpkZWZhdWx0LgoKSWYgSSBtaXNzZWQgc29tZXRoaW5nIG9i dmlvdXNseSwgcGxlYXNlIGxldCBtZSBrbm93LgoKLS0gCk5vIHp1byBubyBkaWUgYnV0IEkgaGF2 ZSB0byB0cnkuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmRldiBtYWlsaW5nIGxpc3QKZGV2QG9wZW52c3dpdGNoLm9yZwpodHRwOi8vb3BlbnZzd2l0Y2gu b3JnL21haWxtYW4vbGlzdGluZm8vZGV2Cg==