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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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5ebfb4cc30
To verify that this hash implements the Toeplitz hash function. Additionally, provide a script toeplitz.sh to run the test in loopback mode on a networking device of choice (see setup_loopback.sh). Since the script modifies the NIC setup, it will not be run by selftests automatically. Tested: ./toeplitz.sh -i eth0 -irq_prefix <eth0_pattern> -t -6 carrier ready rxq 0: cpu 14 rxq 1: cpu 20 rxq 2: cpu 17 rxq 3: cpu 23 cpu 14: rx_hash 0x69103ebc [saddr fda8::2 daddr fda8::1 sport 58938 dport 8000] OK rxq 0 (cpu 14) ... cpu 20: rx_hash 0x257118b9 [saddr fda8::2 daddr fda8::1 sport 59258 dport 8000] OK rxq 1 (cpu 20) count: pass=111 nohash=0 fail=0 Test Succeeded! Signed-off-by: Coco Li <lixiaoyan@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
28 lines
667 B
Bash
Executable file
28 lines
667 B
Bash
Executable file
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# A simple program for generating traffic for the toeplitz test.
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#
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# This program sends packets periodically for, conservatively, 20 seconds. The
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# intent is for the calling program to kill this program once it is no longer
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# needed, rather than waiting for the 20 second expiration.
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send_traffic() {
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expiration=$((SECONDS+20))
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while [[ "${SECONDS}" -lt "${expiration}" ]]
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do
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if [[ "${PROTO}" == "-u" ]]; then
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echo "msg $i" | nc "${IPVER}" -u -w 0 "${ADDR}" "${PORT}"
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else
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echo "msg $i" | nc "${IPVER}" -w 0 "${ADDR}" "${PORT}"
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fi
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sleep 0.001
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done
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}
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PROTO=$1
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IPVER=$2
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ADDR=$3
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PORT=$4
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send_traffic
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