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ffdc908e7b
Since NSS IRQs use the same name for each core, the current function assigns all matching names to the same CPU core. Add function 'set_affinity_last' to specify that only the 'last' matching irq ID be set to the specified CPU core.
56 lines
1.7 KiB
Bash
56 lines
1.7 KiB
Bash
#!/bin/sh /etc/rc.common
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#
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# Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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START=70
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enable_rps() {
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set_affinity() {
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awk "/$1/{ print substr(\$1, 1, length(\$1)-1) }" /proc/interrupts | while read irq
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do
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[ -n "$irq" ] && echo $2 > /proc/irq/$irq/smp_affinity
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done
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}
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set_affinity_last() {
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awk "/$1/{sub(/:/,\"\");last=\$1} END{print last}" /proc/interrupts| while read irq
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do
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[ -n "$irq" ] && echo $2 > /proc/irq/$irq/smp_affinity
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done
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}
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# assign 3 nss queues to each core
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set_affinity 'nss_queue1' 2
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set_affinity 'nss_queue2' 4
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set_affinity 'nss_queue3' 8
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set_affinity 'nss_queue0' 1
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# assign lan/wan to core 4
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set_affinity 'nss_empty_buf_sos' 4
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set_affinity 'nss_empty_buf_queue' 4
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set_affinity_last 'nss_empty_buf_sos' 8
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# Enable NSS RPS
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sysctl -w dev.nss.rps.enable=1 > /dev/null 2> /dev/null
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}
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start() {
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local rps_enabled="$(uci_get nss @general[0] enable_rps)"
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if [ "$rps_enabled" -eq 1 ]; then
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enable_rps
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fi
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}
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