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Date:      Thu, 13 Feb 2020 21:56:50 -0800
From:      Rudy <crapsh@monkeybrains.net>
To:        net@FreeBSD.org
Subject:   chelsio_affinity patch to support t6 cards
Message-ID:  <05fb814c-b55a-d739-e417-bd1b01d256af@monkeybrains.net>
In-Reply-To: <d36bcd0c-71c5-e65f-b262-5b0a420a40d9@monkeybrains.net>
References:  <1aa78c6e-e640-623c-73d3-473df132eb72@monkeybrains.net> <c921825a-3a9c-cc15-78e6-c7e3776ab12a@monkeybrains.net> <bb6c3997-c369-28c3-9d85-c9cca526e093@monkeybrains.net> <d36bcd0c-71c5-e65f-b262-5b0a420a40d9@monkeybrains.net>

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Supports t6 as well as t5 cards.  Also, is this desired?

Rudy



--- chelsio_affinity.orig    2020-02-13 21:04:43.032596000 -0800
+++ chelsio_affinity    2020-02-13 21:50:37.675528000 -0800
@@ -26,8 +26,9 @@
  chelsio_affinity_start()
  {
      # Need a Chelsio NIC
-    NQ=$(/sbin/sysctl -ni dev.cxl.0.nrxq)
-    if [ -z "${NQ}" ]; then
+    NQcxl=$(/sbin/sysctl -ni dev.cxl.0.nrxq)
+    NQcc=$(/sbin/sysctl -ni dev.cc.0.nrxq)
+    if [ -z "${NQcc}" && -z "${NQcxl}"]; then
          echo "No Chelsio NIC port detected"
          exit 0;
      fi
@@ -42,16 +43,30 @@
      # Exclude some CPU from binding
      NCPU=$((NCPU - ${chelsio_affinity_avoidncpu}))
      CPU=${chelsio_affinity_firstcpu}
-    cxl=$(sysctl dev.cxl. | grep -c nrxq)
-    for i in $(seq 0 $((cxl - 1))); do
-        for IRQ in `/usr/bin/vmstat -ai |\
-            /usr/bin/sed -nE 
"/t5nex0:${i}a/s/irq([[:digit:]]+):.*/\1/p"`; do
-            echo "Bind t5nex0:${i}a IRQ ${IRQ} to CPU ${CPU}"
-            /usr/bin/cpuset -l ${CPU} -x ${IRQ}
-            CPU=$(((CPU + 1) % NCPU))
+    if [ ! -z "${NQcxl}" ]; then
+        cxl=$(sysctl dev.cxl. | grep -c nrxq)
+        for i in $(seq 0 $((cxl - 1))); do
+            for IRQ in `/usr/bin/vmstat -ai |\
+                /usr/bin/sed -nE 
"/t5nex[01234567]:${i}a/s/irq([[:digit:]]+):.*/\1/p"`; do
+                echo "Bind t5nex_:${i}a IRQ ${IRQ} to CPU ${CPU}"
+                /usr/bin/cpuset -l ${CPU} -x ${IRQ}
+                CPU=$(((CPU + 1) % NCPU))
+            done
+            CPU=${chelsio_affinity_firstcpu}
          done
-        CPU=${chelsio_affinity_firstcpu}
-    done
+    fi
+    if [ ! -z "${NQcc}" ]; then
+        cc=$(sysctl dev.cc. | grep -c nrxq)
+        for i in $(seq 0 $((cc - 1))); do
+            for IRQ in `/usr/bin/vmstat -ai |\
+                /usr/bin/sed -nE 
"/t6nex[01234567]:${i}a/s/irq([[:digit:]]+):.*/\1/p"`; do
+                echo "Bind t6nex_:${i}a IRQ ${IRQ} to CPU ${CPU}"
+                /usr/bin/cpuset -l ${CPU} -x ${IRQ}
+                CPU=$(((CPU + 1) % NCPU))
+            done
+            CPU=${chelsio_affinity_firstcpu}
+        done
+    fi
  }



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