From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f52.google.com (mail-oi0-f52.google.com [209.85.218.52]) by dpdk.org (Postfix) with ESMTP id AF0F14CBD for ; Fri, 31 Aug 2018 20:19:51 +0200 (CEST) Received: by mail-oi0-f52.google.com with SMTP id p84-v6so23295101oic.4 for ; Fri, 31 Aug 2018 11:19:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=uJS9oo4W0y18Og9uQySDZdYPf43COhBMjYub5p751Zo=; b=R8b01zTxxPGYiWr3So6grkvBGqwrq2fGze8isJh4jlUu4mGSTsZMzPFWd1xotQMyVZ pg0M7EoP+6Gkcm8lqVqEsGKrfLxAuGAdLVj5yRd/MaeY1Sj+FZGVN/GdG0uZG0CKBRVQ xERXy59fArqhjJqDimkLRLpGBoR9yaJ7JRWU2FEoCTIFavwLHbk0M0nZP7gBpCNJpjFY 99jEcCnqlLlb9LWzhYjTtTpyzQzXH5/wobGEL+VKG0mUCObDiJyGTcfhPVWlCv9gzUTg /E/Em/4ZtVBlE1cXOq+pcVrU1u7fRvlhg6yMFRDrLCXCeEx+1Aqz1N7DH/pbjB726Wg7 Wmzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=uJS9oo4W0y18Og9uQySDZdYPf43COhBMjYub5p751Zo=; b=erTTsUvkqAd/3npCs56qPbMSEkXwiRV6FZUKryN5QioZdklC258dCQ8bynHm5qJ4c6 6HSLhpxWh2PbumqvxZqiHuSD5bNFDUuQJOGpY4KwJcJl1In8Xk3JkoppwsrsiDeipvmS N3HEkpPdE8ts6lWjiUNRw5jHQ9yN+5tuV810sEL7mQRBVMC0xJmTW1jc4v6990X+jUrT /dIOwZG9TFhjYUWXG9QrBf/wYyQygWl1gpHo+xbQNj4xShOLL5ceJLcmFFHUKvuboVFv nmV8Flv0UNKt50MXLAGbY8nDGrlCXmvp3fDXPb01sgLvKw7P2DlrMv3h3vTFzyINGJ2i NLjw== X-Gm-Message-State: APzg51BqM5DbqzMu1wVPxEbL+OSIZJgP0kdcja08ayXEU5gQXysYciAw tRHXljFnmugr2QA6Bvvvd9jiTri1fjxbxSbH+XY7Rw== X-Google-Smtp-Source: ANB0VdZEw5Qa7c4o7L9MoOctICtSercnDp5eLPfCRDCwoszUTvCfJY5p+teRz4ey8R1iWE1tU5Qrt/ze7iH6LVEOrJs= X-Received: by 2002:a54:448b:: with SMTP id v11-v6mr9007106oiv.208.1535739590765; Fri, 31 Aug 2018 11:19:50 -0700 (PDT) MIME-Version: 1.0 From: waqas ahmed Date: Fri, 31 Aug 2018 23:19:38 +0500 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] Frame Check Sequence is incorrect? 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: Fri, 31 Aug 2018 18:19:52 -0000 Hi Everyone, i have kvm with two ports, i am getting rtp stream from port 0 and just change source ip of each packet and recalculate ipv4 checksum. then same pkt mbuf is got rte_eth_tx_burst from port1. but on vm2 wireshark shows that Frame check sequence is incorrect, that seems that while getting same mbuf out from port1 cant get FCS recalculated? by emulated nic. kind regards and any help is appreciated.