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Date: Thu, 17 Mar 2022 11:20:47 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: ido g <ido@cgstowernetworks.com>
Cc: Ferruh Yigit <ferruh.yigit@intel.com>, dev@dpdk.org
Subject: Re: [PATCH] net/pcap: support MTU set
Message-ID: <20220317112047.2d8d4f8a@hermes.local>
In-Reply-To: <20220317174347.110909-1-ido@cgstowernetworks.com>
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On Thu, 17 Mar 2022 19:43:47 +0200
ido g <ido@cgstowernetworks.com> wrote:
> + if (unlikely(header.caplen > dev->data->mtu)) {
> + pcap_q->rx_stat.err_pkts++;
> + rte_pktmbuf_free(mbuf);
> + break;
> + }
MTU should only be enforced on transmit.
Other real network devices allow oversized packets.
Since the pcap file is something user provides, if you don't want that then use something
to filter the file.