linux

iv/linux

History

Magnus Karlsson 7cd6df4f5e selftests/xsk: adjust packet pacing for multi-buffer support

Modify the packet pacing algorithm so that it works with multi-buffer
packets. This algorithm makes sure we do not send too many buffers to
the receiving thread so that packets have to be dropped. The previous
algorithm made the assumption that each packet only consumes one
buffer, but that is not true anymore when multi-buffer support gets
added. Instead, we find out what the largest packet size is in the
packet stream and assume that each packet will consume this many
buffers. This is conservative and overly cautious as there might be
smaller packets in the stream that need fewer buffers per packet. But
it keeps the algorithm simple.

Also simplify it by removing the pthread conditional and just test if
there is enough space in the Rx thread before trying to send one more
batch. Also makes the tests run faster.

Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/r/20230516103109.3066-11-magnus.karlsson@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2023-05-16 22:31:52 -07:00

accounting

delayacct: track delays from IRQ/SOFTIRQ

2023-04-18 16:39:34 -07:00

arch

Disable building BPF based features by default for v6.4.

2023-05-07 11:32:18 -07:00

bootconfig

bootconfig: Fix testcase to increase max node

2023-03-22 01:00:28 +09:00

bpf

bpf-next-for-netdev