From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1426] Bonding driver does not receive all packets in 8023ad mode (LACP)
Date: Mon, 29 Apr 2024 18:11:08 +0000 [thread overview]
Message-ID: <bug-1426-3@http.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1426
Bug ID: 1426
Summary: Bonding driver does not receive all packets in 8023ad
mode (LACP)
Product: DPDK
Version: 23.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: michel@digirati.com.br
Target Milestone: ---
The bonding driver does not receive all packets in 8023ad mode (LACP) when it
has two or more members. This bug happens because the bonding driver does not
add the bond's MAC address to the members, so only the member whose MAC address
is the same as the bond receives packets. One can verify the bug by calling
rte_eth_macaddrs_get() on the members after the bond is started.
There are two workarounds:
1. Putting the bond in promiscuous mode with rte_eth_promiscuous_enable(), so
all members receive all packets.
2. Obtaining the MAC address of the bond _after_ adding all members with
rte_eth_macaddr_get(), _and_ adding this MAC address to all members with
rte_eth_dev_mac_addr_add().
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