From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sathya Perla Subject: RE: [PATCH] be2net: Bugfix for packet drop with kernel param swiotlb=force Date: Mon, 3 Mar 2014 07:24:40 +0000 Message-ID: <006eeee3-f0de-4b72-8afe-4aff3a6e4c26@CMEXHTCAS2.ad.emulex.com> References: <1393033796.15717.90.camel@deadeye.wl.decadent.org.uk> <8ecfc5a6-7cb7-46ff-847e-4b081522eb9b@CMEXHTCAS1.ad.emulex.com> <1393347489.14067.5.camel@deadeye.wl.decadent.org.uk> <1393635652.14067.104.camel@deadeye.wl.decadent.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "jiang.biao2@zte.com.cn" , "netdev@vger.kernel.org" , Subramanian Seetharaman , Ajit Khaparde , "wang.liang82@zte.com.cn" , "cai.qu@zte.com.cn" , "li.fengmao@zte.com.cn" , "long.chun@zte.com.cn" , David Miller To: Ben Hutchings Return-path: Received: from cmexedge2.ext.emulex.com ([138.239.224.100]:57322 "EHLO CMEXEDGE2.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753835AbaCCHYq (ORCPT ); Mon, 3 Mar 2014 02:24:46 -0500 In-Reply-To: <1393635652.14067.104.camel@deadeye.wl.decadent.org.uk> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBCZW4gSHV0Y2hpbmdzIFttYWls dG86YmVuQGRlY2FkZW50Lm9yZy51a10NCj4gDQo+IE9uIFdlZCwgMjAxNC0wMi0yNiBhdCAwNDo1 NCArMDAwMCwgU2F0aHlhIFBlcmxhIHdyb3RlOg0KPiA+ID4gLS0tLS1PcmlnaW5hbCBNZXNzYWdl LS0tLS0NCj4gPiA+IEZyb206IEJlbiBIdXRjaGluZ3MgW21haWx0bzpiZW5AZGVjYWRlbnQub3Jn LnVrXQ0KPiA+ID4NCj4gPiAuLi4NCj4gPiA+ID4gPiA+ID4NCj4gPiA+ID4gPiA+ID4gRnJvbTog TGkgRmVuZ21hbyA8bGkuZmVuZ21hb0B6dGUuY29tLmNuPg0KPiA+ID4gPiA+ID4gPg0KPiA+ID4g PiA+ID4gPiBUaGVyZSB3aWxsIGJlIHBhY2tldCBkcm9wIHdpdGgga2VybmVsIHBhcmFtICJzd2lv dGxiID0gZm9yY2UiIG9uDQo+ID4gPiA+ID4gPiA+IEVtdWxleCAxMEdiIE5JQyB1c2luZyBiZTJu ZXQgZHJpdmVyLiBUaGUgcHJvYmxlbSBpcyBjYXVzZWQgYnkNCj4gPiA+ID4gPiA+ID4gcmVjZWl2 aW5nIHNrYiB3aXRob3V0IGNhbGxpbmcgcGNpX3VubWFwX3BhZ2UoKSBpbiBnZXRfcnhfcGFnZV9p bmZvKCkuDQo+ID4gPiA+ID4gPiA+IHJ4X3BhZ2VfaW5mby0+bGFzdF9wYWdlX3VzZXIgaXMgaW5p dGlhbGl6ZWQgdG8gZmFsc2UgaW4NCj4gPiA+ID4gPiA+ID4gYmVfcG9zdF9yeF9mcmFncygpIHdo ZW4gY3VycmVudCBmcmFnIGFyZSBtYXBwZWQgaW4gdGhlIGZpcnN0IGhhbGYgb2YNCj4gPiA+ID4g PiA+ID4gdGhlIHNhbWUgcGFnZSB3aXRoIGFub3RoZXIgZnJhZy4gQnV0IGluIHRoYXQgY2FzZSB3 aXRoDQo+ID4gPiA+ID4gPiA+ICJzd2lvdGxiID0gZm9yY2UiIHBhcmFtLCBkYXRhIGNhbiBub3Qg YmUgY29waWVkIGludG8gdGhlIHBhZ2Ugb2YNCj4gPiA+ID4gPiA+ID4gcnhfcGFnZV9pbmZvIHdp dGhvdXQgY2FsbGluZyBwY2lfdW5tYXBfcGFnZSwgc28gdGhlIGRhdGEgZnJhZyBtYXBwZWQNCj4g PiA+ID4gPiA+ID4gaW4gdGhlIGZpcnN0IGhhbGYgb2YgdGhlIHBhZ2Ugd2lsbCBiZSBkcm9wcGVk Lg0KPiA+ID4gPiA+ID4gPg0KPiA+ID4gPiA+ID4gPiBJdCBjYW4gYmUgc29sdmVkIGJ5IGNyZWF0 aW5nIG9ubHkgYSBtYXBwaW5nIHJlbGF0aW9uIGJldHdlZW4gZnJhZw0KPiA+ID4gPiA+ID4gPiBh bmQgcGFnZSwgYW5kIGRlbGV0aW5nIHJ4X3BhZ2VfaW5mby0+bGFzdF9wYWdlX3VzZXIgdG8gZW5z dXJlDQo+ID4gPiA+ID4gPiA+IGNhbGxpbmcgcGNpX3VubWFwX3BhZ2Ugd2hlbiBoYW5kbGluZyBl YWNoIHJlY2VpdmluZyBmcmFnLg0KPiA+ID4gPiA+ID4NCj4gPiA+ID4gPiA+IFRoaXMgcGF0Y2gg dXNlcyBhbiBlbnRpcmUgcGFnZSBmb3IgZWFjaCBSWCBmcmFnICh3aG9zZSBkZWZhdWx0IHNpemUg aXMgMjA0OCkuDQo+ID4gPiA+ID4gPiBDb25zZXF1ZW50bHksIG9uIHBsYXRmb3JtcyBsaWtlIHBw YzY0IHdoZXJlIHRoZSBkZWZhdWx0IFBBR0VfU0laRSBpcyA2NEssDQo+ID4gPiA+ID4gPiBtZW1v cnkgdXNhZ2UgYmVjb21lcyB2ZXJ5IGluZWZmaWNpZW50Lg0KPiA+ID4gPiA+ID4NCj4gPiA+ID4g PiA+IEluc3RlYWQsIEkndmUgdHJpZWQgYSBwYXJ0aWFsLXBhZ2UgbWFwcGluZyBzY2hlbWUuIFRo aXMgcmV0YWlucyB0aGUNCj4gPiA+ID4gPiA+IHBhZ2Ugc2hhcmluZyBsb2dpYywgYnV0IHVuLW1h cHMgZWFjaCBmcmFnIHNlcGFyYXRlbHkgc28gdGhhdA0KPiA+ID4gPiA+ID4gdGhlIGRhdGEgaXMg Y29waWVkIGZyb20gdGhlIGJvdW5jZSBidWZmZXJzLg0KPiA+ID4gPiA+IFsuLi5dDQo+ID4gPiA+ ID4NCj4gPiA+ID4gPiBZb3UgZG9uJ3QgbmVlZCB0byBtYXAvdW5tYXAgZWFjaCBmcmFnbWVudCBz ZXBhcmF0ZWx5OyB5b3UgY2FuIHN5bmMgYQ0KPiA+ID4gPiA+IHN1Yi1wYWdlIHJhbmdlIHdpdGgg ZG1hX3N5bmNfc2luZ2xlX2Zvcl9jcHUoKS4NCj4gPiA+ID4gPg0KPiA+ID4gPg0KPiA+ID4gPiBC ZW4sIGFmdGVyIHN5bmNpbmcgZWFjaCBmcmFnIHdpdGggYSBkbWFfc3luY19zaW5nbGVfZm9yX2Nw dSgpIGNhbGwsDQo+ID4gPiA+IHdvdWxkIEkgc3RpbGwgbmVlZCB0byBkbWFfdW5tYXBfcGFnZSgp IGFmdGVyIERNQSBpcyBkb25lIG9uIGFsbCB0aGUgZnJhZ3MNCj4gPiA+ID4gb2YgdGhlIHBhZ2U/ IEkgdGhvdWdodCBJIG5lZWRlZCB0by4NCj4gPiA+DQo+ID4gPiBZZXMuDQo+ID4gPg0KPiA+ID4g PiBJJ20gY29uZnVzZWQgdG8gc2VlIHRoYXQgc3dpb3RsYl9ib3VuY2UoKSAodGhhdCBjb3BpZXMg ZGF0YSBmcm9tIHRoZSBib3VuY2UgYnVmZmVycykNCj4gPiA+ID4gaXMgY2FsbGVkIGZyb20gYm90 aCBzd2lvdGxiX3N5bmNfc2luZ2xlX2Zvcl9jcHUoKSBhbmQgc3dpb3RsYl91bm1hcF9wYWdlKCku DQo+ID4gPiA+IEkgb2Zjb3Vyc2UgZG9uJ3Qgd2FudCB0aGUgZGF0YSB0byBiZSBjb3BpZWQgZnJv bSB0aGUgYm91bmNlIGJ1ZmZlcnMgdHdpY2UhDQo+ID4gPg0KPiA+ID4gUmlnaHQsIHVubWFwIGlu Y2x1ZGVzIGEgc3luYyBzbyB5b3Ugc2hvdWxkOg0KPiA+ID4gLSBmb3IgdGhlIGxhc3QgZnJhZyBw ZXIgcGFnZSwgZG1hX3VubWFwX3BhZ2UoKSBvbmx5DQo+ID4gPiAtIGZvciBldmVyeSBvdGhlciBm cmFnLCBkbWFfc3luY19zaW5nbGVfZm9yX2NwdSgpIG9ubHkNCj4gPg0KPiA+IEJlbiwgdGhlIGRt YV91bm1hcF9wYWdlKCkgcmVxdWlyZXMgdXMgdG8gcGFzcyB0aGUgc2FtZSBkbWFfYWRkciBhbmQg c2l6ZSByZXR1cm5lZA0KPiBieQ0KPiA+IChhbmQgcGFzc2VkIHRvKSB0aGUgZG1hX21hcF9wYWdl KCkgY2FsbC4NCj4gPiBTbywgZm9yIHRoZSBsYXN0IGZyYWcsIHdoZW4gSSBjYWxsIGRtYV9tYXBf cGFnZSgpIHdpdGggdGhlIHBhZ2VfYWRkciAoYW5kIG5vdCB0aGUNCj4gZnJhZ19hZGRyKSBhbmQg dGhlDQo+ID4gcGFnZSBzaXplLCB3b24ndCBpdCB0cnkgdG8gY29weSB0aGUgZGF0YSBiZWxvbmdp bmcgdG8gYWxsIHRoZSBwcmV2aW91cyBmcmFncyBvZiBwYWdlIGFnYWluPyEhDQo+IA0KPiBXaGVu IHVzaW5nIGJvdW5jZSBidWZmZXJzIChlLmcuIHN3aW90bGIpLCB5ZXMgdGhpcyByZXN1bHRzIGlu IGFub3RoZXINCj4gY29weSwgd2hpY2ggaXMgaW5lZmZpY2llbnQuICBCdXQgd2hlbiB1c2luZyBh IHJlYWwgSU9NTVUgbmVpdGhlcg0KPiBmdW5jdGlvbiB3aWxsIGNvcHkuICBJIHdvdWxkIG9wdGlt aXNlIGZvciBJT01NVXMuDQoNCk9rLCB0aGF0IHNvdW5kcyByaWdodC4uLi4udGhhbmtzIGZvciB0 aGUgaGVscCENCi1TYXRoeWENCg==