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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 13:54:25 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 13:54:25 +0000
commit9cb1c4df7b9ce1a9ad1312621b0f2b16a94fba3a (patch)
tree2efb72864cc69e174c9c5ee33efb88a5f1553b48 /modules.d/95fcoe/module-setup.sh
parentInitial commit. (diff)
downloaddracut-9cb1c4df7b9ce1a9ad1312621b0f2b16a94fba3a.tar.xz
dracut-9cb1c4df7b9ce1a9ad1312621b0f2b16a94fba3a.zip
Adding upstream version 060+5.upstream/060+5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules.d/95fcoe/module-setup.sh')
-rwxr-xr-xmodules.d/95fcoe/module-setup.sh122
1 files changed, 122 insertions, 0 deletions
diff --git a/modules.d/95fcoe/module-setup.sh b/modules.d/95fcoe/module-setup.sh
new file mode 100755
index 0000000..3de85c2
--- /dev/null
+++ b/modules.d/95fcoe/module-setup.sh
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+# called by dracut
+check() {
+ is_fcoe() {
+ block_is_fcoe "$1" || return 1
+ }
+
+ [[ $hostonly ]] || [[ $mount_needs ]] && {
+ for_each_host_dev_and_slaves is_fcoe || return 255
+ }
+
+ require_binaries dcbtool fipvlan lldpad ip readlink fcoemon fcoeadm tr || return 1
+ return 0
+}
+
+# called by dracut
+depends() {
+ echo network rootfs-block
+ return 0
+}
+
+# called by dracut
+installkernel() {
+ instmods fcoe libfcoe 8021q edd bnx2fc
+}
+
+get_vlan_parent() {
+ local link=$1
+
+ [ -d "$link" ] || return
+ read -r iflink < "$link"/iflink
+ for if in /sys/class/net/*; do
+ read -r idx < "$if"/ifindex
+ if [ "$idx" -eq "$iflink" ]; then
+ echo "${if##*/}"
+ fi
+ done
+}
+
+# called by dracut
+cmdline() {
+ {
+ for c in /sys/bus/fcoe/devices/ctlr_*; do
+ [ -L "$c" ] || continue
+ read -r enabled < "$c"/enabled
+ read -r mode < "$c"/mode
+ [ "$enabled" -eq 0 ] && continue
+ if [ "$mode" = "VN2VN" ]; then
+ mode="vn2vn"
+ else
+ mode="fabric"
+ fi
+ d=$(
+ cd -P "$c" || exit
+ echo "$PWD"
+ )
+ i=${d%/*}
+ ifname=${i##*/}
+ read -r mac < "${i}"/address
+ s=$(dcbtool gc "${i##*/}" dcb 2> /dev/null | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
+ if [ -z "$s" ]; then
+ p=$(get_vlan_parent "${i}")
+ if [ "$p" ]; then
+ s=$(dcbtool gc "${p}" dcb 2> /dev/null | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
+ ifname=${p##*/}
+ fi
+ fi
+ if [ "$s" = "on" ]; then
+ dcb="dcb"
+ else
+ dcb="nodcb"
+ fi
+
+ # Some Combined Network Adapters(CNAs) implement DCB in firmware.
+ # Do not run software-based DCB or LLDP on CNAs that implement DCB.
+ # If the network interface provides hardware DCB/DCBX capabilities,
+ # DCB_REQUIRED in "/etc/fcoe/cfg-xxx" is expected to set to "no".
+ #
+ # Force "nodcb" if there's any DCB_REQUIRED="no"(child or vlan parent).
+ if grep -q '^[[:blank:]]*DCB_REQUIRED="no"' /etc/fcoe/cfg-"${i##*/}" &> /dev/null; then
+ dcb="nodcb"
+ fi
+
+ if [ "$p" ]; then
+ if grep -q '^[[:blank:]]*DCB_REQUIRED="no"' /etc/fcoe/cfg-"${p}" &> /dev/null; then
+ dcb="nodcb"
+ fi
+ fi
+
+ echo "ifname=${ifname}:${mac}"
+ echo "fcoe=${ifname}:${dcb}:${mode}"
+ done
+ } | sort | uniq
+}
+
+# called by dracut
+install() {
+ inst_multiple ip dcbtool fipvlan lldpad readlink lldptool fcoemon fcoeadm tr
+ if [[ -e $dracutsysrootdir/etc/hba.conf ]]; then
+ inst_libdir_file 'libhbalinux.so*'
+ inst_simple "/etc/hba.conf"
+ fi
+
+ mkdir -m 0755 -p "$initdir/var/lib/lldpad"
+ mkdir -m 0755 -p "$initdir/etc/fcoe"
+
+ if [[ $hostonly_cmdline == "yes" ]]; then
+ local _fcoeconf
+ _fcoeconf=$(cmdline)
+ [[ $_fcoeconf ]] && printf "%s\n" "$_fcoeconf" >> "${initdir}/etc/cmdline.d/95fcoe.conf"
+ fi
+ inst_multiple "/etc/fcoe/cfg-*"
+
+ inst "$moddir/fcoe-up.sh" "/sbin/fcoe-up"
+ inst "$moddir/fcoe-edd.sh" "/sbin/fcoe-edd"
+ inst_hook pre-trigger 03 "$moddir/lldpad.sh"
+ inst_hook cmdline 99 "$moddir/parse-fcoe.sh"
+ inst_hook cleanup 90 "$moddir/cleanup-fcoe.sh"
+ inst_hook shutdown 40 "$moddir/stop-fcoe.sh"
+ dracut_need_initqueue
+}