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Inverse NIC offload

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This commit is contained in:
Mike Reeves
2021-02-25 11:46:00 -05:00
parent 4a6ad7c87e
commit 51e8839daf
2 changed files with 123 additions and 90 deletions
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189
salt/common/tools/sbin/so-common
View File

@@ -86,10 +86,82 @@ add_interface_bond0() {
fi
}
check_container() {
docker ps | grep "$1:" > /dev/null 2>&1
return $?
}
check_password() {
local password=$1
echo "$password" | egrep -v "'|\"|\\$|\\\\" > /dev/null 2>&1
return $?
}
fail() {
msg=$1
echo "ERROR: $msg"
echo "Exiting."
exit 1
}
get_random_value() {
length=${1:-20}
head -c 5000 /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $length | head -n 1
}
header() {
printf '%s\n' "" "$banner" " $*" "$banner"
}
init_monitor() {
MONITORNIC=$1
if [[ $MONITORNIC == "bond0" ]]; then
BIFACES=$(lookup_bond_interfaces)
else
BIFACES=$MONITORNIC
fi
for DEVICE_IFACE in $BIFACES; do
for i in rx tx sg tso ufo gso gro lro; do
ethtool -K "$DEVICE_IFACE" "$i" off;
done
ip link set dev "$DEVICE_IFACE" arp off multicast off allmulticast off promisc on
done
}
is_manager_node() {
# Check to see if this is a manager node
role=$(lookup_role)
is_single_node_grid && return 0
[ $role == 'manager' ] && return 0
[ $role == 'managersearch' ] && return 0
[ $role == 'helix' ] && return 0
return 1
}
is_sensor_node() {
# Check to see if this is a sensor (forward) node
role=$(lookup_role)
is_single_node_grid && return 0
[ $role == 'sensor' ] && return 0
[ $role == 'heavynode' ] && return 0
[ $role == 'helix' ] && return 0
return 1
}
is_single_node_grid() {
role=$(lookup_role)
[ $role == 'eval' ] && return 0
[ $role == 'standalone' ] && return 0
[ $role == 'import' ] && return 0
return 1
}
lookup_bond_interfaces() {
cat /proc/net/bonding/bond0 | grep "Slave Interface:" | sed -e "s/Slave Interface: //g"
}
lookup_salt_value() {
key=$1
group=$2
@@ -129,15 +201,41 @@ lookup_role() {
echo ${pieces[1]}
}
check_container() {
docker ps | grep "$1:" > /dev/null 2>&1
return $?
require_manager() {
if is_manager_node; then
echo "This is a manager, We can proceed."
else
echo "Please run this command on the manager; the manager controls the grid."
exit 1
fi
}
check_password() {
local password=$1
echo "$password" | egrep -v "'|\"|\\$|\\\\" > /dev/null 2>&1
return $?
retry() {
maxAttempts=$1
sleepDelay=$2
cmd=$3
expectedOutput=$4
attempt=0
while [[ $attempt -lt $maxAttempts ]]; do
attempt=$((attempt+1))
echo "Executing command with retry support: $cmd"
output=$(eval "$cmd")
exitcode=$?
echo "Results: $output ($exitcode)"
if [ -n "$expectedOutput" ]; then
if [[ "$output" =~ "$expectedOutput" ]]; then
return $exitCode
else
echo "Expected '$expectedOutput' but got '$output'"
fi
elif [[ $exitcode -eq 0 ]]; then
return $exitCode
fi
echo "Command failed with exit code $exitcode; will retry in $sleepDelay seconds ($attempt / $maxAttempts)..."
sleep $sleepDelay
done
echo "Command continues to fail; giving up."
return 1
}
set_os() {
@@ -171,83 +269,6 @@ set_version() {
fi
}
require_manager() {
if is_manager_node; then
echo "This is a manager, We can proceed."
else
echo "Please run this command on the manager; the manager controls the grid."
exit 1
fi
}
is_manager_node() {
# Check to see if this is a manager node
role=$(lookup_role)
is_single_node_grid && return 0
[ $role == 'manager' ] && return 0
[ $role == 'managersearch' ] && return 0
[ $role == 'helix' ] && return 0
return 1
}
is_sensor_node() {
# Check to see if this is a sensor (forward) node
role=$(lookup_role)
is_single_node_grid && return 0
[ $role == 'sensor' ] && return 0
[ $role == 'heavynode' ] && return 0
[ $role == 'helix' ] && return 0
return 1
}
is_single_node_grid() {
role=$(lookup_role)
[ $role == 'eval' ] && return 0
[ $role == 'standalone' ] && return 0
[ $role == 'import' ] && return 0
return 1
}
fail() {
msg=$1
echo "ERROR: $msg"
echo "Exiting."
exit 1
}
get_random_value() {
length=${1:-20}
head -c 5000 /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $length | head -n 1
}
retry() {
maxAttempts=$1
sleepDelay=$2
cmd=$3
expectedOutput=$4
attempt=0
while [[ $attempt -lt $maxAttempts ]]; do
attempt=$((attempt+1))
echo "Executing command with retry support: $cmd"
output=$(eval "$cmd")
exitcode=$?
echo "Results: $output ($exitcode)"
if [ -n "$expectedOutput" ]; then
if [[ "$output" =~ "$expectedOutput" ]]; then
return $exitCode
else
echo "Expected '$expectedOutput' but got '$output'"
fi
elif [[ $exitcode -eq 0 ]]; then
return $exitCode
fi
echo "Command failed with exit code $exitcode; will retry in $sleepDelay seconds ($attempt / $maxAttempts)..."
sleep $sleepDelay
done
echo "Command continues to fail; giving up."
return 1
}
valid_cidr() {
# Verify there is a backslash in the string
echo "$1" | grep -qP "^[^/]+/[^/]+$" || return 1

24
setup/install_scripts/99-so-checksum-offload-disable
View File

@@ -1,8 +1,20 @@
#!/bin/bash
#
# Copyright 2014,2015,2016,2017,2018,2019,2020,2021 Security Onion Solutions, LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if [[ "$DEVICE_IFACE" != "$MNIC" && "$DEVICE_IFACE" != *"docker"* && "$DEVICE_IFACE" != *"tun"* && "DEVICE_IFACE" != *"wg"* ]]; then
for i in rx tx sg tso ufo gso gro lro; do
ethtool -K "$DEVICE_IFACE" "$i" off;
done
ip link set dev "$DEVICE_IFACE" arp off multicast off allmulticast off promisc on
fi
. /usr/sbin/so-common
init_monitor $MNIC