From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarno Rajahalme Subject: [PATCH nf-next v10 3/8] openvswitch: Add commentary to conntrack.c Date: Thu, 10 Mar 2016 10:54:18 -0800 Message-ID: <1457636063-92746-4-git-send-email-jarno@ovn.org> References: <1457636063-92746-1-git-send-email-jarno@ovn.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: netfilter-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: In-Reply-To: <1457636063-92746-1-git-send-email-jarno-LZ6Gd1LRuIk@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 VGhpcyBtYWtlcyB0aGUgY29kZSBlYXNpZXIgdG8gdW5kZXJzdGFuZCBhbmQgdGhlIGZvbGxvd2lu ZyBwYXRjaGVzCm1vcmUgZm9jdXNlZC4KClNpZ25lZC1vZmYtYnk6IEphcm5vIFJhamFoYWxtZSA8 amFybm9Ab3ZuLm9yZz4KLS0tCiBuZXQvb3BlbnZzd2l0Y2gvY29ubnRyYWNrLmMgfCAyMSArKysr KysrKysrKysrKysrKysrKy0KIDEgZmlsZSBjaGFuZ2VkLCAyMCBpbnNlcnRpb25zKCspLCAxIGRl bGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvbmV0L29wZW52c3dpdGNoL2Nvbm50cmFjay5jIGIvbmV0 L29wZW52c3dpdGNoL2Nvbm50cmFjay5jCmluZGV4IDMwNDUyOTAuLjJjMmJmMDcgMTAwNjQ0Ci0t LSBhL25ldC9vcGVudnN3aXRjaC9jb25udHJhY2suYworKysgYi9uZXQvb3BlbnZzd2l0Y2gvY29u bnRyYWNrLmMKQEAgLTE1Miw4ICsxNTIsMTIgQEAgc3RhdGljIHZvaWQgb3ZzX2N0X3VwZGF0ZV9r ZXkoY29uc3Qgc3RydWN0IHNrX2J1ZmYgKnNrYiwKIAljdCA9IG5mX2N0X2dldChza2IsICZjdGlu Zm8pOwogCWlmIChjdCkgewogCQlzdGF0ZSA9IG92c19jdF9nZXRfc3RhdGUoY3RpbmZvKTsKKwkJ LyogQWxsIHVuY29uZmlybWVkIGVudHJpZXMgYXJlIE5FVyBjb25uZWN0aW9ucy4gKi8KIAkJaWYg KCFuZl9jdF9pc19jb25maXJtZWQoY3QpKQogCQkJc3RhdGUgfD0gT1ZTX0NTX0ZfTkVXOworCQkv KiBPVlMgcGVyc2lzdHMgdGhlIHJlbGF0ZWQgZmxhZyBmb3IgdGhlIGR1cmF0aW9uIG9mIHRoZQor CQkgKiBjb25uZWN0aW9uLgorCQkgKi8KIAkJaWYgKGN0LT5tYXN0ZXIpCiAJCQlzdGF0ZSB8PSBP VlNfQ1NfRl9SRUxBVEVEOwogCQl6b25lID0gbmZfY3Rfem9uZShjdCk7CkBAIC0xNjUsNiArMTY5 LDkgQEAgc3RhdGljIHZvaWQgb3ZzX2N0X3VwZGF0ZV9rZXkoY29uc3Qgc3RydWN0IHNrX2J1ZmYg KnNrYiwKIAlfX292c19jdF91cGRhdGVfa2V5KGtleSwgc3RhdGUsIHpvbmUsIGN0KTsKIH0KIAor LyogVGhpcyBpcyBjYWxsZWQgdG8gaW5pdGlhbGl6ZSBDVCBrZXkgZmllbGRzIHBvc3NpYmx5IGNv bWluZyBpbiBmcm9tIHRoZSBsb2NhbAorICogc3RhY2suCisgKi8KIHZvaWQgb3ZzX2N0X2ZpbGxf a2V5KGNvbnN0IHN0cnVjdCBza19idWZmICpza2IsIHN0cnVjdCBzd19mbG93X2tleSAqa2V5KQog ewogCW92c19jdF91cGRhdGVfa2V5KHNrYiwgTlVMTCwga2V5LCBmYWxzZSk7CkBAIC0xOTksNyAr MjA2LDYgQEAgc3RhdGljIGludCBvdnNfY3Rfc2V0X21hcmsoc3RydWN0IHNrX2J1ZmYgKnNrYiwg c3RydWN0IHN3X2Zsb3dfa2V5ICprZXksCiAJc3RydWN0IG5mX2Nvbm4gKmN0OwogCXUzMiBuZXdf bWFyazsKIAotCiAJLyogVGhlIGNvbm5lY3Rpb24gY291bGQgYmUgaW52YWxpZCwgaW4gd2hpY2gg Y2FzZSBzZXRfbWFyayBpcyBuby1vcC4gKi8KIAljdCA9IG5mX2N0X2dldChza2IsICZjdGluZm8p OwogCWlmICghY3QpCkBAIC0zNzUsNiArMzgxLDExIEBAIHN0YXRpYyBib29sIHNrYl9uZmN0X2Nh Y2hlZChjb25zdCBzdHJ1Y3QgbmV0ICpuZXQsIGNvbnN0IHN0cnVjdCBza19idWZmICpza2IsCiAJ cmV0dXJuIHRydWU7CiB9CiAKKy8qIFBhc3MgJ3NrYicgdGhyb3VnaCBjb25udHJhY2sgaW4gJ25l dCcsIHVzaW5nIHpvbmUgY29uZmlndXJlZCBpbiAnaW5mbycsIGlmCisgKiBub3QgZG9uZSBhbHJl YWR5LiAgVXBkYXRlIGtleSB3aXRoIG5ldyBDVCBzdGF0ZS4KKyAqIE5vdGUgdGhhdCBpZiB0aGUg cGFja2V0IGlzIGRlZW1lZCBpbnZhbGlkIGJ5IGNvbm50cmFjaywgc2tiLT5uZmN0IHdpbGwgYmUK KyAqIHNldCB0byBOVUxMIGFuZCAwIHdpbGwgYmUgcmV0dXJuZWQuCisgKi8KIHN0YXRpYyBpbnQg X19vdnNfY3RfbG9va3VwKHN0cnVjdCBuZXQgKm5ldCwgc3RydWN0IHN3X2Zsb3dfa2V5ICprZXks CiAJCQkgICBjb25zdCBzdHJ1Y3Qgb3ZzX2Nvbm50cmFja19pbmZvICppbmZvLAogCQkJICAgc3Ry dWN0IHNrX2J1ZmYgKnNrYikKQEAgLTQxOCw2ICs0MjksMTMgQEAgc3RhdGljIGludCBvdnNfY3Rf bG9va3VwKHN0cnVjdCBuZXQgKm5ldCwgc3RydWN0IHN3X2Zsb3dfa2V5ICprZXksCiB7CiAJc3Ry dWN0IG5mX2Nvbm50cmFja19leHBlY3QgKmV4cDsKIAorCS8qIElmIHdlIHBhc3MgYW4gZXhwZWN0 ZWQgcGFja2V0IHRocm91Z2ggbmZfY29ubnRyYWNrX2luKCkgdGhlCisJICogZXhwZWN0YXRpb24g aXMgdHlwaWNhbGx5IHJlbW92ZWQsIGJ1dCB0aGUgcGFja2V0IGNvdWxkIHN0aWxsIGJlCisJICog bG9zdCBpbiB1cGNhbGwgcHJvY2Vzc2luZy4gIFRvIHByZXZlbnQgdGhpcyBmcm9tIGhhcHBlbmlu ZyB3ZQorCSAqIHBlcmZvcm0gYW4gZXhwbGljaXQgZXhwZWN0YXRpb24gbG9va3VwLiAgRXhwZWN0 ZWQgY29ubmVjdGlvbnMgYXJlCisJICogYWx3YXlzIG5ldywgYW5kIHdpbGwgYmUgcGFzc2VkIHRo cm91Z2ggY29ubnRyYWNrIG9ubHkgd2hlbiB0aGV5IGFyZQorCSAqIGNvbW1pdHRlZCwgYXMgaXQg aXMgT0sgdG8gcmVtb3ZlIHRoZSBleHBlY3RhdGlvbiBhdCB0aGF0IHRpbWUuCisJICovCiAJZXhw ID0gb3ZzX2N0X2V4cGVjdF9maW5kKG5ldCwgJmluZm8tPnpvbmUsIGluZm8tPmZhbWlseSwgc2ti KTsKIAlpZiAoZXhwKSB7CiAJCXU4IHN0YXRlOwpAQCAtNDU1LDYgKzQ3Myw3IEBAIHN0YXRpYyBp bnQgb3ZzX2N0X2NvbW1pdChzdHJ1Y3QgbmV0ICpuZXQsIHN0cnVjdCBzd19mbG93X2tleSAqa2V5 LAogCWVyciA9IF9fb3ZzX2N0X2xvb2t1cChuZXQsIGtleSwgaW5mbywgc2tiKTsKIAlpZiAoZXJy KQogCQlyZXR1cm4gZXJyOworCS8qIFRoaXMgaXMgYSBuby1vcCBpZiB0aGUgY29ubmVjdGlvbiBo YXMgYWxyZWFkeSBiZWVuIGNvbmZpcm1lZC4gKi8KIAlpZiAobmZfY29ubnRyYWNrX2NvbmZpcm0o c2tiKSAhPSBORl9BQ0NFUFQpCiAJCXJldHVybiAtRUlOVkFMOwogCi0tIAoyLjEuNAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZGV2IG1haWxpbmcgbGlz dApkZXZAb3BlbnZzd2l0Y2gub3JnCmh0dHA6Ly9vcGVudnN3aXRjaC5vcmcvbWFpbG1hbi9saXN0 aW5mby9kZXYK