123 lines
3.5 KiB
Bash
Executable File
123 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# called by dracut
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check() {
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is_fcoe() {
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block_is_fcoe "$1" || return 1
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}
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[[ $hostonly ]] || [[ $mount_needs ]] && {
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for_each_host_dev_and_slaves is_fcoe || return 255
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}
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require_binaries dcbtool fipvlan lldpad ip readlink fcoemon fcoeadm tr || return 1
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return 0
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}
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# called by dracut
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depends() {
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echo network rootfs-block
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return 0
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}
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# called by dracut
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installkernel() {
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instmods fcoe libfcoe 8021q edd bnx2fc
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}
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get_vlan_parent() {
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local link=$1
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[ -d "$link" ] || return
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read -r iflink < "$link"/iflink
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for if in /sys/class/net/*; do
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read -r idx < "$if"/ifindex
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if [ "$idx" -eq "$iflink" ]; then
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echo "${if##*/}"
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fi
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done
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}
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# called by dracut
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cmdline() {
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{
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for c in /sys/bus/fcoe/devices/ctlr_*; do
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[ -L "$c" ] || continue
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read -r enabled < "$c"/enabled
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read -r mode < "$c"/mode
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[ "$enabled" -eq 0 ] && continue
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if [ "$mode" = "VN2VN" ]; then
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mode="vn2vn"
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else
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mode="fabric"
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fi
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d=$(
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cd -P "$c" || exit
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echo "$PWD"
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)
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i=${d%/*}
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ifname=${i##*/}
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read -r mac < "${i}"/address
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s=$(dcbtool gc "${i##*/}" dcb 2> /dev/null | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
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if [ -z "$s" ]; then
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p=$(get_vlan_parent "${i}")
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if [ "$p" ]; then
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s=$(dcbtool gc "${p}" dcb 2> /dev/null | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
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ifname=${p##*/}
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fi
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fi
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if [ "$s" = "on" ]; then
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dcb="dcb"
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else
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dcb="nodcb"
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fi
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# Some Combined Network Adapters(CNAs) implement DCB in firmware.
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# Do not run software-based DCB or LLDP on CNAs that implement DCB.
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# If the network interface provides hardware DCB/DCBX capabilities,
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# DCB_REQUIRED in "/etc/fcoe/cfg-xxx" is expected to set to "no".
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#
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# Force "nodcb" if there's any DCB_REQUIRED="no"(child or vlan parent).
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if grep -q '^[[:blank:]]*DCB_REQUIRED="no"' /etc/fcoe/cfg-"${i##*/}" &> /dev/null; then
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dcb="nodcb"
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fi
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if [ "$p" ]; then
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if grep -q '^[[:blank:]]*DCB_REQUIRED="no"' /etc/fcoe/cfg-"${p}" &> /dev/null; then
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dcb="nodcb"
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fi
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fi
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echo "ifname=${ifname}:${mac}"
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echo "fcoe=${ifname}:${dcb}:${mode}"
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done
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} | sort | uniq
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}
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# called by dracut
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install() {
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inst_multiple ip dcbtool fipvlan lldpad readlink lldptool fcoemon fcoeadm tr
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if [[ -e $dracutsysrootdir/etc/hba.conf ]]; then
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inst_libdir_file 'libhbalinux.so*'
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inst_simple "/etc/hba.conf"
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fi
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mkdir -m 0755 -p "$initdir/var/lib/lldpad"
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mkdir -m 0755 -p "$initdir/etc/fcoe"
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if [[ $hostonly_cmdline == "yes" ]]; then
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local _fcoeconf
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_fcoeconf=$(cmdline)
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[[ $_fcoeconf ]] && printf "%s\n" "$_fcoeconf" >> "${initdir}/etc/cmdline.d/95fcoe.conf"
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fi
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inst_multiple "/etc/fcoe/cfg-*"
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inst "$moddir/fcoe-up.sh" "/sbin/fcoe-up"
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inst "$moddir/fcoe-edd.sh" "/sbin/fcoe-edd"
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inst_hook pre-trigger 03 "$moddir/lldpad.sh"
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inst_hook cmdline 99 "$moddir/parse-fcoe.sh"
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inst_hook cleanup 90 "$moddir/cleanup-fcoe.sh"
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inst_hook shutdown 40 "$moddir/stop-fcoe.sh"
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dracut_need_initqueue
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}
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