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Add ability for packet sources to flag a packet's l2 or l3 checksum as valid.

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This lets packet source plugins implement handling of hardware checksum offloading, if available. Setting the flags will skip the internal checksumming for either layer 2 and/or layer 3.
This commit is contained in:
Tim Wojtulewicz 2020-03-06 15:36:35 -07:00
parent da5fca7163
commit c6f7665953
6 changed files with 19 additions and 5 deletions
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4
src/iosource/Packet.cc
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@ -52,6 +52,9 @@ void Packet::Init(int arg_link_type, pkt_timeval *arg_ts, uint32_t arg_caplen,
l2_valid = false;
l2_checksummed = false;
l3_checksummed = false;
if ( data && cap_len < hdr_size )
{
Weird("truncated_link_header");
@ -677,4 +680,3 @@ void Packet::Describe(ODesc* d) const
d->Add("->");
d->Add(ip.DstAddr());
}