net/af_packet: defragmented packet will be truncated when exceed the frame size
https://bugs.dpdk.org/show_bug.cgi?id=1443
Bug ID: 1443
Summary: net/af_packet: defragmented packet will be truncated
when exceed the frame size
Product: DPDK
Version: 23.03
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: [email protected]
Reporter: [email protected]Target Milestone: ---
af_packet use packet fanout, set flag: PACKET_FANOUT_FLAG_DEFRAG, if set, causes packets to be defragmented before fanout is applied, the packets that read from AF_PACKET socket maybe larger than the frame size and the mbuf size, so the packet will be truncated.
In PACKET_FANOUT mode, each matching packet is enqueued onto only one socket in the group. But when af_packet use one rx queue, there is no need to set packet fanout.
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