From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-oi0-x22a.google.com ([2607:f8b0:4003:c06::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ayNpU-0003zZ-H0 for ath10k@lists.infradead.org; Thu, 05 May 2016 18:16:53 +0000 Received: by mail-oi0-x22a.google.com with SMTP id k142so112278960oib.1 for ; Thu, 05 May 2016 11:16:32 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <1462125592.5535.194.camel@edumazet-glaptop3.roam.corp.google.com> <865DA393-262D-40B6-A9D3-1B978CD5F6C6@gmail.com> <1462128385.5535.200.camel@edumazet-glaptop3.roam.corp.google.com> <1462136140.5535.219.camel@edumazet-glaptop3.roam.corp.google.com> <1462201620.5535.250.camel@edumazet-glaptop3.roam.corp.google.com> <1462205669.5535.254.camel@edumazet-glaptop3.roam.corp.google.com> <2D83E4F6-03DD-4421-AAE0-DD3C6A8AFCE0@gmail.com> Date: Thu, 5 May 2016 11:16:31 -0700 Message-ID: Subject: Re: [Codel] fq_codel_drop vs a udp flood From: Dave Taht List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Roman Yeryomin Cc: Jonathan Morton , "codel@lists.bufferbloat.net" , ath10k , Eric Dumazet , make-wifi-fast@lists.bufferbloat.net T24gVGh1LCBNYXkgNSwgMjAxNiBhdCAxMDozOSBBTSwgUm9tYW4gWWVyeW9taW4gPGxlcm9pLmxp c3RzQGdtYWlsLmNvbT4gd3JvdGU6Cj4gT24gNSBNYXkgMjAxNiBhdCAxOTo1OSwgSm9uYXRoYW4g TW9ydG9uIDxjaHJvbWF0aXg5OUBnbWFpbC5jb20+IHdyb3RlOgo+Pj4gSGF2aW5nIHNhbWUgKGxv dykgc3BlZWRzLgo+Pj4gU28gaXQgZGlkbid0IGhlbHAgYXQgYWxsIDooCj4+Cj4+IEFsdGhvdWdo IHRoZSBuZXcg4oCcZW1lcmdlbmN5IGRyb3DigJ0gY29kZSBpcyBub3cgZHJvcHBpbmcgYmF0Y2hl cyBvZiBjb25zZWN1dGl2ZSBwYWNrZXRzLCBDb2RlbCBpcyBhbHNvIHN0aWxsIGRyb3BwaW5nIGlu ZGl2aWR1YWwgcGFja2V0cyBpbiBiZXR3ZWVuIHRoZXNlIGJhdGNoZXMsIHByb2JhYmx5IGF0IGEg aGlnaCByYXRlLiAgU2luY2UgYWxsIGZyYWdtZW50cyBvZiBhbiBvcmlnaW5hbCBwYWNrZXQgYXJl IHJlcXVpcmVkIHRvIHJlYXNzZW1ibGUgaXQsIGJ1dCBDb2RlbCBkb2VzbuKAmXQgbGluayByZWxh dGVkIGZyYWdtZW50cyB3aGVuIGRlY2lkaW5nIHRvIGRyb3AsIGVhY2ggZnJhZ21lbnQgbG9zdCBp biB0aGlzIHdheSByZWR1Y2VzIHRocm91Z2hwdXQgZWZmaWNpZW5jeS4gIE9ubHkgYSBmcmFjdGlv biBvZiB0aGUgb3JpZ2luYWwgcGFja2V0cyBjYW4gYmUgcmVhc3NlbWJsZWQgY29ycmVjdGx5LCBi dXQgdGhlIHN1cnZpdmluZyAoeWV0IHVzZWxlc3MpIGZyYWdtZW50cyBzdGlsbCBvY2N1cHkgbGlu ayBjYXBhY2l0eS4KPj4KPj4gVGhpcyBwaGVub21lbm9uIGlzIG5vdCBDb2RlbCBzcGVjaWZpYzsg SSB3b3VsZCBhbHNvIGV4cGVjdCB0byBzZWUgaXQgb24gbW9zdCBvdGhlciBBUU1zLCBhbmQgZGVm aW5pdGVseSBvbiBSRUQgdmFyaWFudHMsIGluY2x1ZGluZyBQSUUuICBGb3J0dW5hdGVseSBmb3Ig cmVhbCB0cmFmZmljLCBpdCBub3JtYWxseSBhcmlzZXMgb25seSBvbiBhcnRpZmljaWFsIHRyYWZm aWMgc3VjaCBhcyBpcGVyZiBydW5zIHdpdGggbGFyZ2UgVURQIHBhY2tldHMuICBVbmZvcnR1bmF0 ZWx5IGZvciBBUU0gYWR2b2NhdGVzLCBpcGVyZiB1c2VzIGxhcmdlIFVEUCBwYWNrZXRzIGJ5IGRl ZmF1bHQsIGFuZCBpdCBpcyB2ZXJ5IGVhc3kgdG8gbWlzaW50ZXJwcmV0IHRoZSByZXN1bHRzIHVu ZmF2b3VyYWJseSBmb3IgQVFNIChhcyBvcHBvc2VkIHRvIHVuZmF2b3VyYWJseSBmb3IgaXBlcmYp Lgo+Pgo+PiBJZiB5b3UgcmUtcnVuIHRoZSB0ZXN0IHdpdGggaXBlcmYgc2V0IHRvIGEgcGFja2V0 IHNpemUgY29tcGF0aWJsZSB3aXRoIHRoZSBwYXRoIE1UVSwgeW91IHNob3VsZCBzZWUgbXVjaCBi ZXR0ZXIgdGhyb3VnaHB1dCBudW1iZXJzIGR1ZSB0byB0aGUgZWxpbWluYXRpb24gb2YgZnJhZ21l bnRlZCBwYWNrZXRzLiAgQSBVRFAgcGF5bG9hZCBzaXplIG9mIDEyODAgYnl0ZXMgaXMgYSBzYWZl LCBjb25zZXJ2YXRpdmUgZmlndXJlIGZvciBhIG5vcm1hbCBNVFUgaW4gdGhlIHZpY2luaXR5IG9m IDE1MDAuCj4KPiBTZXR0aW5nIHBhY2tldCBzaXplIHRvIDEyODAgKC1sMTI4MCkgaW5zdGVhZCBv ZiAxNDcyLCBJIGdvdCBldmVuIGxvd2VyCj4gc3BlZWQgKDE4LTIwTWJwcykuCj4gT3RoZXIgaWRl YXM/CgpIb3cgYWJvdXQ6Cgpjb21wbGV0ZWx5IGRyb3BwaW5nIHlvdXIgaGFuZC1waWNrZWQgcGF0 Y2ggc2V0IGFuZCBqb2luaW5nIHVzIG9uIG1pY2hhbCdzIHRyZWU/CgpodHRwczovL2dpdGh1Yi5j b20va2F6aWtjei9saW51eC9jb21taXRzL2ZxbWFjLXY0JTJCZHFscmZjJTJCY3B1cmVncmZpeAoK SGUganVzdCBwdXQgYSBjb21taXQgaW4gdGhlcmUgb24gdG9wIG9mIHRoYXQgcGF0Y2hzZXQgdGhh dCBtaWdodCBwb2ludAphdCBwcm9ibGVtIHlvdSdyZSBzZWVpbmcsIGluIHBhcnRpY3VsYXIsIGFu ZCB0aGUgY29kZSBtb3ZlcyBhbGwgb2YKZnFfY29kZWwgaW50byB0aGUgbWFjODAyMTEgbGF5ZXIg d2hlcmUgaXQgY2FuIGJlIHNjaGVkdWxlZCBiZXR0ZXIuCgpJJ20gc3RpbGwgd29ya2luZyBvZmYg dGhlIHByaW9yIHBhdGNoIHNldCwgZmluZGluZyBidWdzIGluIDgwMi4xMWUKKHRoYXQgZm9yIGFs bCBJIGtub3cgcHJlLWV4aXN0KToKCmh0dHA6Ly9ibG9nLmNlcm93cnQub3JnL3Bvc3QvY3M1X2xv Y2tvdXQvCgooSSB3b3VsZCBsb3ZlIGl0IGlmIHBlb3BsZSBoYWQgbW9yZSBpbnNpZ2h0IGludG8g dGhlIFZJIHF1ZXVlKQoKYW5kIEkgd3JvdGUgdXAgdGhlIGZpcnN0IHRlc3RzIG9mIHRoZSBwcmlv ciAoZnFtYWMgMy41KSBwYXRjaCBoZXJlOgoKaHR0cDovL2Jsb2cuY2Vyb3dydC5vcmcvcG9zdC9h dGgxMF9hdGg5a18xLwoKd2l0aCBwcmV0dHkgcGljdHVyZXMsIGFuZCBhIGNpcmNsZSBhbmQgYXJy b3cgb24gdGhlIGJhY2sgb2YgZWFjaCBvbmUKdG8gYmUgdXNlZCBhcyBldmlkZW5jZSBhZ2FpbnN0 IHVzLgoKSSBkaWQganVzdCBnZXQgYW5vdGhlciAzeDMgY2FyZCB0byBwbGF5IHdpdGgsIGJ1dCBJ J2QgbGlrZSB0byBmaW5pc2gKdXAgY29tcHJlaGVuc2l2ZWx5IGV2YWx1YXRpbmcgd2hhdCBJIGdv dCBhZ2FpbnN0IG1haW5saW5lIGZpcnN0LCBhdAp0aGUgYmFuZHdpZHRocyAoYXRoOWsgdG8gYXRo MTBrKSBJIGNhbiBjdXJyZW50bHkgYWNoaWV2ZSBhbmQgdGhhdCB3aWxsCnRha2UgdGlsIG1vbmRh eSwgYXQgbGVhc3QuIFNpbmNlIHlvdXIgaGFyZHdhcmUgaXMgd2Vha2VyIHRoYW4gbWluZQooc2lu Z2xlIGNvcmU/KSBpdCB3b3VsZCBiZSBnb29kIHRvIGFtYmxlIGFsb25nIGluIHBhcmFsbGVsLgoK Pj4+IExpbWl0IG9mIDEwMjQgcGFja2V0cyBhbmQgMTAyNCBmbG93cyBpcyBub3Qgd2lzZSBJIHRo aW5rLgo+Pj4KPj4+IChJZiBhbGwgYnVja2V0cyBhcmUgaW4gdXNlLCBlYWNoIGJ1Y2tldCBoYXMg YSB2aXJ0dWFsIHF1ZXVlIG9mIDEgcGFja2V0LAo+Pj4gd2hpY2ggaXMgYWxtb3N0IHRoZSBzYW1l IHRoYW4gaGF2aW5nIG5vIHF1ZXVlIGF0IGFsbCkKPj4KPj4gVGhpcywgd2hpbGUgdGhlb3JldGlj YWxseSBpbXBvcnRhbnQgaW4gZXh0cmVtZSBjYXNlcyB3aXRoIHZlcnkgbGFyZ2UgbnVtYmVycyBv ZiBmbG93cywgaXMgbm90IHJlbGV2YW50IHRvIHRoZSBzcGVjaWZpYyB0ZXN0IGluIHF1ZXN0aW9u Lgo+Pgo+PiAgLSBKb25hdGhhbiBNb3J0b24KPj4KCgoKLS0gCkRhdmUgVMOkaHQKTGV0J3MgZ28g bWFrZSBob21lIHJvdXRlcnMgYW5kIHdpZmkgZmFzdGVyISBXaXRoIGJldHRlciBzb2Z0d2FyZSEK aHR0cDovL2Jsb2cuY2Vyb3dydC5vcmcKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmF0aDEwayBtYWlsaW5nIGxpc3QKYXRoMTBrQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9hdGgxMGsK