[2/3] dhcpcd: Remove old MTU setting script

Message ID 20220222121806.1208994-2-michael.tremer@ipfire.org
State Accepted
Commit 9c689924980c6d0ae4d6ecd8e34f06147edbcb1c
Headers
Series [1/3] dhcpcd: Force setting MTU through dhcpcd |

Commit Message

Michael Tremer Feb. 22, 2022, 12:18 p.m. UTC
  This is being replaced by adding the MTU option to any routes that
dhcpcd installs.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 config/dhcpc/dhcpcd-hooks/10-mtu | 33 --------------------------------
 config/rootfiles/common/dhcpcd   |  1 -
 lfs/dhcpcd                       |  1 -
 3 files changed, 35 deletions(-)
 delete mode 100644 config/dhcpc/dhcpcd-hooks/10-mtu
  

Comments

Peter Müller Feb. 22, 2022, 7:16 p.m. UTC | #1
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>

> This is being replaced by adding the MTU option to any routes that
> dhcpcd installs.
> 
> Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
> ---
>   config/dhcpc/dhcpcd-hooks/10-mtu | 33 --------------------------------
>   config/rootfiles/common/dhcpcd   |  1 -
>   lfs/dhcpcd                       |  1 -
>   3 files changed, 35 deletions(-)
>   delete mode 100644 config/dhcpc/dhcpcd-hooks/10-mtu
> 
> diff --git a/config/dhcpc/dhcpcd-hooks/10-mtu b/config/dhcpc/dhcpcd-hooks/10-mtu
> deleted file mode 100644
> index 8eb429751..000000000
> --- a/config/dhcpc/dhcpcd-hooks/10-mtu
> +++ /dev/null
> @@ -1,33 +0,0 @@
> -# Configure the MTU for the interface
> -
> -eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
> -
> -set_mtu()
> -{
> -	local mtu=$1
> -	ip link set "$interface" mtu "$mtu"
> -
> -	# test for buggy nic that lose link at mtu set...
> -	carrier=`cat /sys/class/net/$interface/carrier`
> -	if [ "$carrier" == "0" ]; then
> -		syslog info "Warning! Carrier loss after MTU set. Reinit needed..."
> -		ip link set "$interface" down
> -		ip link set "$interface" up
> -		exit 1
> -	fi
> -}
> -
> -if [ -n "$new_interface_mtu" ] && $if_up; then
> -	if [ $RED_DHCP_FORCE_MTU -ge 576 ]; then
> -		new_interface_mtu=$RED_DHCP_FORCE_MTU
> -	fi
> -	if [ ! "$new_interface_mtu" == "$ifmtu" ]; then
> -		# The smalled MTU dhcpcd can work with is 576
> -		if [ "$new_interface_mtu" -gt 576 ]; then
> -			if set_mtu "$new_interface_mtu"; then
> -				syslog info "MTU set to $new_interface_mtu"
> -			fi
> -		fi
> -	fi
> -fi
> -
> diff --git a/config/rootfiles/common/dhcpcd b/config/rootfiles/common/dhcpcd
> index 672a47a30..d36b105f1 100644
> --- a/config/rootfiles/common/dhcpcd
> +++ b/config/rootfiles/common/dhcpcd
> @@ -9,7 +9,6 @@ var/ipfire/dhcpc/dhcpcd-hooks
>   #var/ipfire/dhcpc/dhcpcd-hooks/00-linux
>   #var/ipfire/dhcpc/dhcpcd-hooks/01-test
>   #var/ipfire/dhcpc/dhcpcd-hooks/02-dump
> -#var/ipfire/dhcpc/dhcpcd-hooks/10-mtu
>   #var/ipfire/dhcpc/dhcpcd-hooks/30-hostname
>   #var/ipfire/dhcpc/dhcpcd-hooks/70-dhcpcd.exe
>   var/ipfire/dhcpc/dhcpcd-run-hooks
> diff --git a/lfs/dhcpcd b/lfs/dhcpcd
> index 8c4a593ad..8291d076a 100644
> --- a/lfs/dhcpcd
> +++ b/lfs/dhcpcd
> @@ -90,7 +90,6 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
>   	rm -f $(CONFIG_ROOT)/dhcpc/dhcpcd-hooks/50-ypbind
>   
>   	install -m 644 $(DIR_SRC)/config/dhcpc/dhcpcd.conf $(CONFIG_ROOT)/dhcpc/
> -	install -m 444 $(DIR_SRC)/config/dhcpc/dhcpcd-hooks/10-mtu $(CONFIG_ROOT)/dhcpc/dhcpcd-hooks
>   
>   	chown root:root $(CONFIG_ROOT)/dhcpc/dhcpcd.conf
>
  

Patch

diff --git a/config/dhcpc/dhcpcd-hooks/10-mtu b/config/dhcpc/dhcpcd-hooks/10-mtu
deleted file mode 100644
index 8eb429751..000000000
--- a/config/dhcpc/dhcpcd-hooks/10-mtu
+++ /dev/null
@@ -1,33 +0,0 @@ 
-# Configure the MTU for the interface
-
-eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
-
-set_mtu()
-{
-	local mtu=$1
-	ip link set "$interface" mtu "$mtu"
-
-	# test for buggy nic that lose link at mtu set...
-	carrier=`cat /sys/class/net/$interface/carrier`
-	if [ "$carrier" == "0" ]; then
-		syslog info "Warning! Carrier loss after MTU set. Reinit needed..."
-		ip link set "$interface" down
-		ip link set "$interface" up
-		exit 1
-	fi
-}
-
-if [ -n "$new_interface_mtu" ] && $if_up; then
-	if [ $RED_DHCP_FORCE_MTU -ge 576 ]; then
-		new_interface_mtu=$RED_DHCP_FORCE_MTU
-	fi
-	if [ ! "$new_interface_mtu" == "$ifmtu" ]; then
-		# The smalled MTU dhcpcd can work with is 576
-		if [ "$new_interface_mtu" -gt 576 ]; then
-			if set_mtu "$new_interface_mtu"; then
-				syslog info "MTU set to $new_interface_mtu"
-			fi
-		fi
-	fi
-fi
-
diff --git a/config/rootfiles/common/dhcpcd b/config/rootfiles/common/dhcpcd
index 672a47a30..d36b105f1 100644
--- a/config/rootfiles/common/dhcpcd
+++ b/config/rootfiles/common/dhcpcd
@@ -9,7 +9,6 @@  var/ipfire/dhcpc/dhcpcd-hooks
 #var/ipfire/dhcpc/dhcpcd-hooks/00-linux
 #var/ipfire/dhcpc/dhcpcd-hooks/01-test
 #var/ipfire/dhcpc/dhcpcd-hooks/02-dump
-#var/ipfire/dhcpc/dhcpcd-hooks/10-mtu
 #var/ipfire/dhcpc/dhcpcd-hooks/30-hostname
 #var/ipfire/dhcpc/dhcpcd-hooks/70-dhcpcd.exe
 var/ipfire/dhcpc/dhcpcd-run-hooks
diff --git a/lfs/dhcpcd b/lfs/dhcpcd
index 8c4a593ad..8291d076a 100644
--- a/lfs/dhcpcd
+++ b/lfs/dhcpcd
@@ -90,7 +90,6 @@  $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	rm -f $(CONFIG_ROOT)/dhcpc/dhcpcd-hooks/50-ypbind
 
 	install -m 644 $(DIR_SRC)/config/dhcpc/dhcpcd.conf $(CONFIG_ROOT)/dhcpc/
-	install -m 444 $(DIR_SRC)/config/dhcpc/dhcpcd-hooks/10-mtu $(CONFIG_ROOT)/dhcpc/dhcpcd-hooks
 
 	chown root:root $(CONFIG_ROOT)/dhcpc/dhcpcd.conf