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From: "wuchangsheng (C)" <wuchangsheng2@huawei.com>
To: "users@dpdk.org" <users@dpdk.org>
Subject: LRO can't coalesce packets
Date: Sat, 25 Jun 2022 03:57:18 +0000	[thread overview]
Message-ID: <b77e68c4ba1a46319e94f842eafdd924@huawei.com> (raw)

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Hello folks, I have a problem about using LRO. LRO offload is enabled, but the package cannot be coalesced.

I use dpdk 21.11, nic is hinic 1822.

enable LRO in rte_eth_dev_configure
conf->rxmode.offloads = DEV_RX_OFFLOAD_TCP_LRO | DEV_RX_OFFLOAD_TCP_CKSUM |DEV_RX_OFFLOAD_IPV4_CKSUM;

read pkts from rte_eth_rx_burst
pkts->ol_flags is 0x10180 have RTE_MBUF_F_RX_LRO, but pkts->pkt_len and kts->data_len is 1514. 1514 is single pkt max length, so it seems that there is no coalesced packets.
Client send pkt len is 8192.

What's wrong with me?

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                 reply	other threads:[~2022-06-25  3:57 UTC|newest]

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