From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f169.google.com (mail-qt0-f169.google.com [209.85.216.169]) by dpdk.org (Postfix) with ESMTP id 865B57D4F for ; Tue, 30 May 2017 12:02:00 +0200 (CEST) Received: by mail-qt0-f169.google.com with SMTP id v27so65930064qtg.2 for ; Tue, 30 May 2017 03:02:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=3HWzSCLMPPu5ALVNMHYLbQmO1drP05hb7qwQw4xWpDE=; b=G3ZFkp8LM77mBVC4MaasEyN8BzXAvxN5JOE0BWUXezMevDvRD4ErfDCoL4ZpYXT9qm OwKK4fxcx9fQHCuaMRfjEBkd9aJk0jnHXvf+RspRxz6IJZS6NvwEmtAMzQGD0QUGU/IA 7C8CnXLEPvPVinmVMY/doS1cgvI1/apnJR3B7lirUWK/+rFl1RRtiJpFSRFRPsg42qkQ NITn4iu+GnXScJupxXyESHtdiLf5IllV1LrdMI+iEO2htF9DEjsCJHuIEbl5rhHhaAmF VsEn1E3lKI5i62OsEe7tLkbz02n4XIyQGbmMpEYtzuurjTcPmrcCUWC6v19LygfcJ91e IS8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=3HWzSCLMPPu5ALVNMHYLbQmO1drP05hb7qwQw4xWpDE=; b=sQSMzkaYWoysE1cU5tcQ6V/U+ipXsmmLLidTIproQn8q+Q4UuuNoknR//7RoN/zPH1 YVGwI01VNUh0M9Cn30kknUcyOCbDFD/UMhtvy2i17OTDjZkVTA9OEZOWfNMaHfM0M16+ /WMUgV7ETGYuKTGUXppFYDVpoGh/uD4Gr08jI4DB40OfxxcRNA38uukqt/l4x9k0Gqvt IxK8kc4p0BTjDtSgg0YSd7FxTJ5ccSVVTWVTSjfEGHUayB/4lBR+kl88mi6i3HTXDo9i 4UmzPcmaGeIAdERZr9Zzu8UjpCrdNGDzE/kPh++zHHx16Eneg3jLQip1/IgYpyQl/D2O JWfw== X-Gm-Message-State: AODbwcB9Yv3/DcznksMyGibmS8/tE0XcUVQG8r+xb9Ne7d3AGO0J4G1V 9FQso6OV+JsLOtwv4MJe45OeopP9yQ== X-Received: by 10.237.37.81 with SMTP id w17mr23720842qtc.8.1496138519920; Tue, 30 May 2017 03:01:59 -0700 (PDT) MIME-Version: 1.0 Received: by 10.237.36.21 with HTTP; Tue, 30 May 2017 03:01:59 -0700 (PDT) In-Reply-To: References: From: Vladimir Medvedkin Date: Tue, 30 May 2017 13:01:59 +0300 Message-ID: To: Heung Sik Choi Cc: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] does the 'rte_softrss_be' function match NIC RSS value well? please help me. X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 May 2017 10:02:00 -0000 What do you have in tuple? What byte order are ip addresses and ports? 2017-05-30 12:15 GMT+03:00 Heung Sik Choi : > Thanks to reply Vladimir. > > I does not custom configure ixgbe, thus default compile and load. > > My calculation softrss code is below: > > uint8_t rss_key_be[RTE_DIM(default_rss_key)]; > > uint8_t default_rss_key[] = { > 0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, > 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0, > 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b, 0x30, 0xb4, > 0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, 0xf2, 0x0c, > 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa > }; > > rte_convert_rss_key((uint32_t *)&default_rss_key,(uint32_t *)rss_key_be, > RTE_DIM(default_rss_key)); > > rte_softrss_be((uint32_t *)&tuple, RTE_THASH_V4_L4_LEN, rss_key_be);// > print it. > > i used rte convert_rss_key's implementation code which be base in X86. > > i also change the RTE_THASH_V4_L4_LEN parameter with RTE_THASH_V4_L3_LEN. > > but doesn't match. > > Is it wrong to use it that way? > > please help me. > > > > 2017-05-30 17:01 GMT+09:00 Vladimir Medvedkin : > >> Hi, >> >> How do you configure your NIC and calculate softrss? >> >> >> 2017-05-30 10:47 GMT+03:00 Heung Sik Choi : >> >>> Hi >>> >>> I want to match NIC RSS value with toeplitz hash function value. And I >>> find >>> out 'rte_softrss_be' can makes it. >>> >>> However, when I experiment it, It doesn't match well. (print two value on >>> terminal through code level) >>> I use the environment below: >>> >>> CPU: xeon 2213 v2 *2 (NUMA) >>> NIC: intel 82599ES >>> kernel 3.16.4 >>> ixgbe driver: 3.22 >>> DPDK 16.11 >>> >>> Please let me know if you have any insights. >>> >> >> >> >> -- >> Regards, >> Vladimir >> > > -- Regards, Vladimir