From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Wragg Subject: [PATCH net v2 1/3] vxlan: Relax the MTU constraints Date: Wed, 10 Feb 2016 00:05:56 +0000 Message-ID: <1455062758-18297-3-git-send-email-david@weave.works> References: <1455062758-18297-1-git-send-email-david@weave.works> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: David Wragg , Sergei Shtylyov , Roopa Prabhu , Hannes Frederic Sowa , David Miller To: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org Return-path: In-Reply-To: <1455062758-18297-1-git-send-email-david-1SEAoVOfG6VEzL6FDj/jAg@public.gmane.org> 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 QWxsb3cgdGhlIE1UVSBvZiB2eGxhbiBkZXZpY2VzIHdpdGhvdXQgYW4gdW5kZXJseWluZyBkZXZp Y2UgdG8gYmUgc2V0CnRvIGxhcmdlciB2YWx1ZXMgKHVwIHRvIGEgbWF4aW11bSBiYXNlZCBvbiBJ UCBwYWNrZXQgbGltaXRzIGFuZCB2eGxhbgpvdmVyaGVhZCkuCgpQcmV2aW91c2x5LCB0aGVpciBN VFVzIGNvdWxkIG5vdCBiZSBzZXQgdG8gaGlnaGVyIHRoYW4gdGhlCmNvbnZlbnRpb25hbCBldGhl cm5ldCB2YWx1ZSBvZiAxNTAwLiAgVGhpcyBpcyBhIHZlcnkgYXJiaXRyYXJ5IHZhbHVlCmluIHRo ZSBjb250ZXh0IG9mIHZ4bGFuLCBhbmQgcHJldmVudGVkIHZ4bGFuIGRldmljZXMgZnJvbSBiZWlu ZyBhYmxlCnRvIHRha2UgYWR2YW50YWdlIG9mIGp1bWJvIGZyYW1lcyBldGMuCgpUaGUgZGVmYXVs dCBNVFUgcmVtYWlucyAxNTAwLCBmb3IgY29tcGF0aWJpbGl0eS4KClNpZ25lZC1vZmYtYnk6IERh dmlkIFdyYWdnIDxkYXZpZEB3ZWF2ZS53b3Jrcz4KQWNrZWQtYnk6IFJvb3BhIFByYWJodSA8cm9v cGFAY3VtdWx1c25ldHdvcmtzLmNvbT4KLS0tCiBkcml2ZXJzL25ldC92eGxhbi5jIHwgMzYgKysr KysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMjUgaW5z ZXJ0aW9ucygrKSwgMTEgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9uZXQvdnhs YW4uYyBiL2RyaXZlcnMvbmV0L3Z4bGFuLmMKaW5kZXggNjU0MzkxOC4uZTk5MmM2YSAxMDA2NDQK LS0tIGEvZHJpdmVycy9uZXQvdnhsYW4uYworKysgYi9kcml2ZXJzL25ldC92eGxhbi5jCkBAIC0y MzY3LDI5ICsyMzY3LDQzIEBAIHN0YXRpYyB2b2lkIHZ4bGFuX3NldF9tdWx0aWNhc3RfbGlzdChz dHJ1Y3QgbmV0X2RldmljZSAqZGV2KQogewogfQogCi1zdGF0aWMgaW50IHZ4bGFuX2NoYW5nZV9t dHUoc3RydWN0IG5ldF9kZXZpY2UgKmRldiwgaW50IG5ld19tdHUpCitzdGF0aWMgaW50IF9fdnhs YW5fY2hhbmdlX210dShzdHJ1Y3QgbmV0X2RldmljZSAqZGV2LAorCQkJICAgICAgc3RydWN0IG5l dF9kZXZpY2UgKmxvd2VyZGV2LAorCQkJICAgICAgc3RydWN0IHZ4bGFuX3Jkc3QgKmRzdCwgaW50 IG5ld19tdHUsIGJvb2wgc3RyaWN0KQogewotCXN0cnVjdCB2eGxhbl9kZXYgKnZ4bGFuID0gbmV0 ZGV2X3ByaXYoZGV2KTsKLQlzdHJ1Y3QgdnhsYW5fcmRzdCAqZHN0ID0gJnZ4bGFuLT5kZWZhdWx0 X2RzdDsKLQlzdHJ1Y3QgbmV0X2RldmljZSAqbG93ZXJkZXY7Ci0JaW50IG1heF9tdHU7CisJaW50 IG1heF9tdHUgPSBJUF9NQVhfTVRVOwogCi0JbG93ZXJkZXYgPSBfX2Rldl9nZXRfYnlfaW5kZXgo dnhsYW4tPm5ldCwgZHN0LT5yZW1vdGVfaWZpbmRleCk7Ci0JaWYgKGxvd2VyZGV2ID09IE5VTEwp Ci0JCXJldHVybiBldGhfY2hhbmdlX210dShkZXYsIG5ld19tdHUpOworCWlmIChsb3dlcmRldikK KwkJbWF4X210dSA9IGxvd2VyZGV2LT5tdHU7CiAKIAlpZiAoZHN0LT5yZW1vdGVfaXAuc2Euc2Ff ZmFtaWx5ID09IEFGX0lORVQ2KQotCQltYXhfbXR1ID0gbG93ZXJkZXYtPm10dSAtIFZYTEFONl9I RUFEUk9PTTsKKwkJbWF4X210dSAtPSBWWExBTjZfSEVBRFJPT007CiAJZWxzZQotCQltYXhfbXR1 ID0gbG93ZXJkZXYtPm10dSAtIFZYTEFOX0hFQURST09NOworCQltYXhfbXR1IC09IFZYTEFOX0hF QURST09NOwogCi0JaWYgKG5ld19tdHUgPCA2OCB8fCBuZXdfbXR1ID4gbWF4X210dSkKKwlpZiAo bmV3X210dSA8IDY4KQogCQlyZXR1cm4gLUVJTlZBTDsKIAorCWlmIChuZXdfbXR1ID4gbWF4X210 dSkgeworCQlpZiAoc3RyaWN0KQorCQkJcmV0dXJuIC1FSU5WQUw7CisKKwkJbmV3X210dSA9IG1h eF9tdHU7CisJfQorCiAJZGV2LT5tdHUgPSBuZXdfbXR1OwogCXJldHVybiAwOwogfQogCitzdGF0 aWMgaW50IHZ4bGFuX2NoYW5nZV9tdHUoc3RydWN0IG5ldF9kZXZpY2UgKmRldiwgaW50IG5ld19t dHUpCit7CisJc3RydWN0IHZ4bGFuX2RldiAqdnhsYW4gPSBuZXRkZXZfcHJpdihkZXYpOworCXN0 cnVjdCB2eGxhbl9yZHN0ICpkc3QgPSAmdnhsYW4tPmRlZmF1bHRfZHN0OworCXN0cnVjdCBuZXRf ZGV2aWNlICpsb3dlcmRldiA9IF9fZGV2X2dldF9ieV9pbmRleCh2eGxhbi0+bmV0LAorCQkJCQkJ CSBkc3QtPnJlbW90ZV9pZmluZGV4KTsKKwlyZXR1cm4gX192eGxhbl9jaGFuZ2VfbXR1KGRldiwg bG93ZXJkZXYsIGRzdCwgbmV3X210dSwgdHJ1ZSk7Cit9CisKIHN0YXRpYyBpbnQgZWdyZXNzX2lw djRfdHVuX2luZm8oc3RydWN0IG5ldF9kZXZpY2UgKmRldiwgc3RydWN0IHNrX2J1ZmYgKnNrYiwK IAkJCQlzdHJ1Y3QgaXBfdHVubmVsX2luZm8gKmluZm8sCiAJCQkJX19iZTE2IHNwb3J0LCBfX2Jl MTYgZHBvcnQpCi0tIAoyLjUuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KZGV2IG1haWxpbmcgbGlzdApkZXZAb3BlbnZzd2l0Y2gub3JnCmh0dHA6Ly9v cGVudnN3aXRjaC5vcmcvbWFpbG1hbi9saXN0aW5mby9kZXYK