-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathqdisc_laptop.bash
executable file
·222 lines (162 loc) · 7.24 KB
/
qdisc_laptop.bash
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
#!/usr/bin/bash
laptop=$1
echo "laptop:${laptop}"
nic=$2
echo "nic:${nic}"
netem_delay="20ms"
case ${laptop} in
3rd)
echo "laptop 3rd"
;;
ryzen)
echo "laptop ryzen"
;;
*)
echo 'Please pass "3rd" or "ryzen"'
exit 1
;;
esac
sysctl -w net.core.default_qdisc=fq_codel
sysctl -w net.ipv4.ip_local_port_range="1025 65534"
sysctl -w net.ipv4.tcp_timestamps=1
sysctl -w net.ipv4.tcp_fin_timeout=10
ping_count=5
ping_Wtimeout=0.5
# sub interface names are apparently limited to 11 chars
vlan_dev=${nic:0:11}
echo "vlan_dev${vlan_dev}"
subnet_octet_a=172
subnet_octet_b=16
vlan_start=100
vlan_addition=50
ping_retries=0
echo "subnet_octet_a:${subnet_octet_a}"
echo "subnet_octet_b:${subnet_octet_b}"
echo "vlan_start:${vlan_start}"
echo "vlan_addition:${vlan_addition}"
readarray -t devices </home/das/Downloads/cake/script_configuration/devices.txt
#devices=(pi4 pi3b jetson nanopi-neo3 nanopi-r5c nanopi-r2s nanopi-r1 asus2)
readarray -t qdiscs </home/das/Downloads/cake/script_configuration/qdiscs.txt
#qdiscs=(noqueue pfifo_fast fq fq_codel cake20 cake40)
device_count=0
for device in "${devices[@]}"; do
device_count=$((device_count + 1))
qdisc_count=0
for qdisc in "${qdiscs[@]}"; do
qdisc_count=$((qdisc_count + 1))
namespace=$(((device_count * vlan_start) + qdisc_count))
vlan="${namespace}"
octet_a="${subnet_octet_a}"
octet_b=$((subnet_octet_b + device_count))
octet_c=$((qdisc_count))
nets=(x y)
net_count=0
for _ in "${nets[@]}"; do
net_count=$((net_count + 1))
case ${laptop} in
3rd)
echo "laptop 3rd"
if [[ ${net_count} == 2 ]]; then
echo "config complete"
continue
fi
;;
ryzen)
echo "laptop ryzen"
if [[ ${net_count} == 1 ]]; then
echo "skipping 1st network"
continue
fi
;;
*)
echo 'Please pass "3rd" or "ryzen"'
exit 1
;;
esac
if [[ ${net_count} == 2 ]]; then
vlan=$((vlan + vlan_addition))
octet_c=$((octet_c + vlan_addition))
fi
octet_d=10
#echo "device:$device qdisc:$qdisc vlan:$vlan octet_a:$octet_a octet_b:$octet_b octet_c:$octet_c octet_d:$octet_d"
echo "#----------------------------------------------- ${device} ${qdisc}"
echo "device:${device} qdisc:${qdisc} namespace:${namespace} vlan:${vlan} ${octet_a}.${octet_b}.${octet_c}.${octet_d}/24"
echo ip netns add network"${namespace}"
ip netns add network"${namespace}"
echo "### Creating vlan interface"
echo ip link add link "${nic}" name "${vlan_dev}"."${vlan}" type vlan id "${vlan}"
ip link add link "${nic}" name "${vlan_dev}"."${vlan}" type vlan id "${vlan}"
echo "### Moving vlan interface to network namespace"
echo ip link set dev "${vlan_dev}"."${vlan}" netns network"${namespace}"
ip link set dev "${vlan_dev}"."${vlan}" netns network"${namespace}"
echo ip netns exec network"${namespace}" ip link set dev "${vlan_dev}"."${vlan}" up
ip netns exec network"${namespace}" ip link set dev "${vlan_dev}"."${vlan}" up
echo "### Configure ip address on vlan interface"
echo ip netns exec network"${namespace}" ip address add "${octet_a}"."${octet_b}"."${octet_c}"."${octet_d}"/24 dev "${vlan_dev}"."${vlan}"
ip netns exec network"${namespace}" ip address add "${octet_a}"."${octet_b}"."${octet_c}"."${octet_d}"/24 dev "${vlan_dev}"."${vlan}"
echo "### Configure default route"
echo ip netns exec network"${namespace}" ip route add 0.0.0.0/0 via "${octet_a}"."${octet_b}"."${octet_c}".1
ip netns exec network"${namespace}" ip route add 0.0.0.0/0 via "${octet_a}"."${octet_b}"."${octet_c}".1
echo "### Configure sysctls"
echo ip netns exec network"${namespace}" sysctl -w net.ipv4.ip_local_port_range="1025 65534"
ip netns exec network"${namespace}" sysctl -w net.ipv4.ip_local_port_range="1025 65534"
echo ip netns exec network"${namespace}" sysctl -w net.ipv4.tcp_timestamps=1
ip netns exec network"${namespace}" sysctl -w net.ipv4.tcp_timestamps=1
echo ip netns exec network"${namespace}" sysctl net.ipv4.tcp_rmem="4096 1000000 16000000"
ip netns exec network"${namespace}" sysctl net.ipv4.tcp_rmem="4096 1000000 16000000"
echo ip netns exec network"${namespace}" sysctl net.ipv4.tcp_wmem="4096 1000000 16000000"
ip netns exec network"${namespace}" sysctl net.ipv4.tcp_wmem="4096 1000000 16000000"
echo ip netns exec network"${namespace}" sysctl net.ipv4.tcp_congestion_control=cubic
ip netns exec network"${namespace}" sysctl net.ipv4.tcp_congestion_control=cubic
echo ip netns exec network"${namespace}" sysctl -w net.ipv4.tcp_timestamps=1
ip netns exec network"${namespace}" sysctl -w net.ipv4.tcp_timestamps=1
echo ip netns exec network"${namespace}" sysctl -w net.ipv4.tcp_fin_timeout=10
ip netns exec network"${namespace}" sysctl -w net.ipv4.tcp_fin_timeout=10
# echo ip netns exec network"${namespace}" tc qdisc replace dev "${vlan_dev}"."${vlan}" root fq_codel
# ip netns exec network"${namespace}" tc qdisc replace dev "${vlan_dev}"."${vlan}" root fq_codel
# https://www.man7.org/linux/man-pages/man8/tc-netem.8.html
echo ip netns exec network"${namespace}" tc qdisc replace dev "${vlan_dev}"."${vlan}" root handle 1 netem delay "${netem_delay}" limit 100000
ip netns exec network"${namespace}" tc qdisc replace dev "${vlan_dev}"."${vlan}" root handle 1 netem delay "${netem_delay}" limit 100000
echo ip netns exec network"${namespace}" tc -s qdisc ls dev "${vlan_dev}"."${vlan}"
ip netns exec network"${namespace}" tc -s qdisc ls dev "${vlan_dev}"."${vlan}"
echo "### View config"
echo ip netns exec network"${namespace}" ip link show
ip netns exec network"${namespace}" ip link show
echo ip netns exec network"${namespace}" ip addr show
ip netns exec network"${namespace}" ip addr show
echo ip netns exec network"${namespace}" ip route show
ip netns exec network"${namespace}" ip route show
echo "BEFORE PING device:${device} qdisc:${qdisc} namespace:${namespace} vlan:${vlan} ${octet_a}.${octet_b}.${octet_c}.${octet_d}/24"
# this sleep seems to make the ping more successful. why? no idea
echo "sleep 1"
sleep 1
echo ip netns exec network"${namespace}" ping -W "${ping_Wtimeout}" -c "${ping_count}" "${octet_a}"."${octet_b}"."${octet_c}".1
ip netns exec network"${namespace}" ping -W "${ping_Wtimeout}" -c "${ping_count}" "${octet_a}"."${octet_b}"."${octet_c}".1
ping_result=$?
if [[ ${laptop} == "3rd" ]]; then
if [[ ${ping_result} != 0 ]]; then
echo "#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "# ping failed!!"
echo "device:${device} qdisc:${qdisc} namespace:${namespace} vlan:${vlan} ${octet_a}.${octet_b}.${octet_c}.${octet_d}/24"
echo "Retrying...."
echo ip netns exec network"${namespace}" ping -W "${ping_Wtimeout}" -c "${ping_count}" "${octet_a}"."${octet_b}"."${octet_c}".1
ip netns exec network"${namespace}" ping -W "${ping_Wtimeout}" -c "${ping_count}" "${octet_a}"."${octet_b}"."${octet_c}".1
ping_result=$?
ping_retries=${ping_retries}+1
if [[ ${ping_result} != 0 ]]; then
echo "Retrying failed :("
exit 1
else
echo "#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "# retry successeded. ??!!"
fi
fi
fi
done
done
done
echo "ping retries:${ping_retries}"
echo find /run/netns/
find /run/netns/
echo find /run/netns/ | wc -l || true
find /run/netns/ | wc -l || true