add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
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@@ -24,6 +24,14 @@
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     err 1 "Bursting not supported for this mode"
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 fi
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 [ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely
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+if [ -n "$DEST_IP" ]; then
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+    validate_addr${IP6} $DEST_IP
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+    read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
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+fi
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+if [ -n "$DST_PORT" ]; then
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+    read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
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+    validate_ports $UDP_DST_MIN $UDP_DST_MAX
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+fi
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 # Base Config
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 DELAY="0"        # Zero means max speed
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@@ -50,7 +58,15 @@
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     # Destination
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     pg_set $dev "dst_mac $DST_MAC"
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-    pg_set $dev "dst$IP6 $DEST_IP"
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+    pg_set $dev "dst${IP6}_min $DST_MIN"
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+    pg_set $dev "dst${IP6}_max $DST_MAX"
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+
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+    if [ -n "$DST_PORT" ]; then
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+	# Single destination port or random port range
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+	pg_set $dev "flag UDPDST_RND"
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+	pg_set $dev "udp_dst_min $UDP_DST_MIN"
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+	pg_set $dev "udp_dst_max $UDP_DST_MAX"
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+    fi
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     # Inject packet into TX qdisc egress path of stack
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     pg_set $dev "xmit_mode queue_xmit"