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authorDave Barach <dave@barachs.net>2020-04-15 09:34:43 -0400
committerFlorin Coras <florin.coras@gmail.com>2020-04-15 19:19:29 +0000
commit08eb2bb205f998a75dacd1f3b999ec1a10160b35 (patch)
treec5d83c0db16472322720ba17c626cb74aae635e6 /doxygen
parent4422753b9f7edf7ff391f97a10c1b8a7dbd7dafb (diff)
pg: set vnet buffer flags in pg streams
See .../extras/pg/checksum_offload.pg for a nontrivial example, which deliberately sets bogus ip and udp checksums in the generated packets, then fixes the mess with (software emulated) hardware checksum offload. Validated via "pcap dispatch trace on max 1000 buffer-trace pg-input 100". Packets stuffed into loop1-output have the configured bogus ip and udp checksums. vnet_calc_checksums_inline(...) fixes the checksums, which are correct when packets visit loop1-tx. The packet generator is a dumb robot in this regard. If you ask for a ridiculous flag combination - example: ip4 and ip6 - your mileage may vary. Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I6d9e790f373bcd9e445a89113ca8e4c8f9aa9419
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