https://bugs.dpdk.org/show_bug.cgi?id=1291
Bug ID: 1291
Summary: Invalid pcapng timestamp
Product: DPDK
Version: 23.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: other
Assignee: dev@dpdk.org
Reporter: joonmo....@ericsson.com
Target Milestone: ---
Hi,
rte_pcapng_copy() is called with rte_get_tsc_cycles().
And, if pcapng isn't initialized, pcapng_init() is called.
rte_get_tsc_cyles() is called during pcapng_init for base time.
But, cycles on pcapng_init() is later cycle than parameter of rte_pcapng_copy()
in this case.
So, delta value of pcapng_tsc_to_ns() will be negative value.
But, delta value type is uint64_t.
It will cause incorrect timestamp.
Maybe, I'm thinking that pcapng_init() should be called before
rte_pcapng_copy().
Joonmo Koo
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