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dpdk_zero_copy.hpp was referenced in multiple places using relative
paths. Let's throw it in uhdlib for easy access.
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Add configuration sections to the UHD config file for NIC entries. Keys
are based on MAC addresses, and the entries beneath the section describe
which CPU and I/O thread to use for the NIC and its IPv4 address.
Make ring sizes configurable for uhd-dpdk. Ring size is now an argument
for packet buffers. Note that the maximum number of available buffers
is still determined at init!
Add ability to receive broadcasts to uhd-dpdk. This is controllable by
a boolean in the sockarg during socket creation. dpdk_zero_copy will
filter broadcast packets out.
Add dpdk_simple transport (to mirror udp_simple). This transport allows
receiving from broadcast addresses, but it only permits one outstanding
buffer at a time.
Fix IP checksum handling in UHD-DPDK.
TX checksums were not being calculated in the NIC, and in RX, the check
for IP checksums allowed values of zero (reported as none). Now packets
with bad IP checksums will be dropped.
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This is a continuation of 967be2a4.
$ find host/lib/transport -iname *.hpp -o -iname *.cpp |\
xargs clang-format -i -style=file
Skipping host/lib/transport/nirio/ because of build errors.
$ git checkout host/lib/transport/nirio
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This transport is based on uhd-dpdk, and it includes a global context
that must be initialized prior to creating any dpdk_zero_copy objects.
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