--- /dev/null
+OPENWRT PPPOECD NOTES
+=====================
+
+1. GENERAL
+----------
+
+This package is used to estabilish basic connection to the
+Internet via DSL/ADSL modems. This is also known as the
+PPPoE or PPP-over-Ethernet connection.
+
+The PPPOECD program included in the OpenWrt distribution is a
+modified version of the PPPOECD that is present in the original
+Linksys firmware.
+
+This modified version is directly supported by the OpenWrt
+startup scripts.
+
+2. BUILDING
+-----------
+
+If you have a pre-compiled PPPOECD package, skip this section.
+
+PPPOECD can be built in two ways. As an integrated part
+of the OpenWrt FLASH image or as an .ipk package that can
+be installed separately.
+
+To build PPPOECD as an embedded component, add "pppoecd" to the
+TARGETS variable in the main OpenWrt Makefile before the
+"openwrt-bin" value.
+
+To build as a standalone package, add "pppoecd" to the
+PACKAGES variable in the main OpenWrt Makefile.
+
+3. NVRAM variables
+------------------
+
+In order for the PPPoE link to be established by the networking
+scripts the following NVRAM variables must be present:
+
+wan_ifname Should be set to: ppp0
+
+wan_proto Should be set to: pppoe
+
+pppoe_ifname Set it to the WAN interface on which the PPPoE
+ is to function. On a 2.0 or a GS model it is
+ usually vlan1. The 1.0 and 1.1 models used vlan2.
+
+ppp_username User name for your PPPoE connection.
+
+ppp_passwd Password for the connection.
+
+ppp_redialperiod Time between reconnect attempts.
+ Usualy set to 30.
+
+ppp_idletime Time the link has to stay dead before reconnecting.
+ Usually set to 5.
+
+wan_mtu The Maxumum Transfer Unit for the PPPoE connection.
+ Typically 1492.
+
+Please consult the OpenWrt WIKI or the forum for more
+information on NVRAM variables.
+
+
+4. STARTUP / SHUTDOWN
+---------------------
+
+OpenWrt will attempt to connect using PPPOECD when starting up.
+The script responsible for that is /etc/init.d/S40network.
+
+You can also manually start the PPPOECD by doing:
+
+ . /etc/functions.sh; ifup wan
+
+Similarly you can shutdown the PPPOECD by doing:
+
+ . /etc/functions.sh; ifdown wan
+
+
+5. CONFIGURATION
+----------------
+
+PPPoE firewall configuration is the standard OpenWrt configuration
+in /etc/init.d/S45firewall that applies to all the other types
+of connections to the Internet.
+
+Additional actions can be performed when connecting or disconnecting
+by modifying "ip-up" and "ip-down" scripts in the /etc/ppp directory.
+
+When connecting, PPPOECD creates /tmp/resolv.conf file that contains
+DNS server entries as supplied by the ISP. The standard ip-up
+script will also add a default route leading via the PPPoE link.
+
+6. DIFFERENCES FROM THE ORIGINAL PPPOECD
+----------------------------------------
+
+The main difference is the location of files. Original Linksys
+PPPOECD operated almost exclusively in the /tmp/ppp directory. This
+however prevents any persistent configuration of the program via
+ip-up or ip-down scripts. Also the program itself was located in
+/usr/sbin whereas OpenWrt scripts expect it to be in /sbin directory.
+
+
--- /dev/null
+# build the Linksys pppoecd
+
+# Note that this patches the linksys pppd before patching pppoecd.
+# The pppd patch changes the pathnames that pppoecd will use.
+# In an attempt to avoid conflicts the marker file is called
+# .patched-pppoecd in the pppd directory.
+
+PPPD_DIR=$(BUILD_DIR)/WRT54GS/release/src/router/ppp/pppd
+PPPD_PATCH=$(SOURCE_DIR)/pppoecd-pathnames.patch
+
+PPPOECD_DIR=$(BUILD_DIR)/WRT54GS/release/src/router/ppp/pppoecd
+PPPOECD_PATCH=$(SOURCE_DIR)/pppoecd.patch
+PPPOECD_BIN=$(TARGET_DIR)/sbin/pppoecd
+
+PPPOECD_IPK_DIR=$(BUILD_DIR)/pppoecd-1.0
+PPPOECD_PACKAGE=$(BUILD_DIR)/pppoecd_1.0_mipsel.ipk
+PPPOECD_IPK_BIN=$(PPPOECD_IPK_DIR)/sbin/pppoecd
+
+# patch pppd for the openwrt compatible path names
+$(PPPD_DIR)/.patched-pppoecd: $(BUILD_DIR)/WRT54GS/.source
+ cat $(PPPD_PATCH) | patch -d $(PPPD_DIR)
+ touch $(PPPD_DIR)/.patched-pppoecd
+
+# patch the pppoecd itself for GCC3.x compatibility and to move pppoecd to /sbin
+$(PPPOECD_DIR)/.patched: $(PPPD_DIR)/.patched-pppoecd
+ cat $(PPPOECD_PATCH) | patch -d $(PPPOECD_DIR)
+ touch $(PPPOECD_DIR)/.patched
+
+# build the pppoecd binary for the ipk version
+$(PPPOECD_IPK_BIN): $(PPPOECD_DIR)/.patched
+ mkdir -p $(PPPOECD_IPK_DIR)/etc/ppp
+ cp $(SOURCE_DIR)/pppoecd.ip-up $(PPPOECD_IPK_DIR)/etc/ppp/ip-up
+ chmod a+x $(PPPOECD_IPK_DIR)/etc/ppp/ip-up
+ $(MAKE) -C $(PPPOECD_DIR) CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld \
+ SRCBASE=$(OPENWRT_SRCBASE) INSTALLDIR=$(PPPOECD_IPK_DIR) LIBDIR=$(UCLIBC_DIR)/lib \
+ STRIP="$(STRIP)" \
+ install
+
+# setup ipkg control files
+$(PPPOECD_IPK_DIR)/CONTROL/control:
+ mkdir -p $(PPPOECD_IPK_DIR)/CONTROL
+ cp $(SOURCE_DIR)/pppoecd.prerm $(PPPOECD_IPK_DIR)/CONTROL/prerm
+ chmod a+x $(PPPOECD_IPK_DIR)/CONTROL/prerm
+ cp $(SOURCE_DIR)/pppoecd.postrm $(PPPOECD_IPK_DIR)/CONTROL/postrm
+ chmod a+x $(PPPOECD_IPK_DIR)/CONTROL/postrm
+ cp $(SOURCE_DIR)/pppoecd.conffiles $(PPPOECD_IPK_DIR)/CONTROL/conffiles
+ cp $(SOURCE_DIR)/pppoecd.control $(PPPOECD_IPK_DIR)/CONTROL/control
+
+# build the ipk package
+$(PPPOECD_PACKAGE): $(PPPOECD_IPK_BIN) $(PPPOECD_IPK_DIR)/CONTROL/control
+ cd $(BUILD_DIR); $(STAGING_DIR)/bin/ipkg-build -c -o root -g root pppoecd-1.0
+
+# main target for building the ipk version
+pppoecd-ipk: $(PPPOECD_PACKAGE)
+
+# the embedded binary
+$(PPPOECD_BIN): $(PPPOECD_DIR)/.patched
+ mkdir $(TARGET_DIR)/etc/ppp
+ cp $(SOURCE_DIR)/pppoecd.ip-up $(TARGET_DIR)/etc/ppp/ip-up
+ chmod a+x $(TARGET_DIR)/etc/ppp/ip-up
+ $(MAKE) -C $(PPPOECD_DIR) CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld \
+ SRCBASE=$(OPENWRT_SRCBASE) INSTALLDIR=$(TARGET_DIR) LIBDIR=$(UCLIBC_DIR)/lib \
+ STRIP="$(STRIP)" \
+ install
+
+# main target for building the embedded version
+pppoecd: $(PPPOECD_BIN)
+
+pppoecd-clean:
+ -$(MAKE) -C $(PPPOECD_DIR) clean
+ rm -f $(TARGET_DIR)/usr/sbin/pppoecd
+ rm -rf $(PPPOECD_IPK_DIR)
+ rm -f $(PPPOECD_PACKAGE)
--- /dev/null
+--- pathnames.h.orig Tue Oct 14 03:09:53 2003
++++ pathnames.h Sat Jul 10 21:04:34 2004
+@@ -9,37 +9,37 @@
+
+ #else /* HAVE_PATHS_H */
+ #ifndef _PATH_VARRUN
+-#define _PATH_VARRUN "/tmp/ppp/"
++#define _PATH_VARRUN "/var/run"
+ #endif
+ #define _PATH_DEVNULL "/dev/null"
+ #endif /* HAVE_PATHS_H */
+
+ #ifndef _ROOT_PATH
+-#define _ROOT_PATH
++#define _ROOT_PATH "/etc"
+ #endif
+
+-#define _PATH_UPAPFILE _ROOT_PATH "/tmp/ppp/pap-secrets"
+-#define _PATH_CHAPFILE _ROOT_PATH "/tmp/ppp/chap-secrets"
+-#define _PATH_SYSOPTIONS _ROOT_PATH "/tmp/ppp/options"
+-#define _PATH_IPUP _ROOT_PATH "/tmp/ppp/ip-up"
+-#define _PATH_IPDOWN _ROOT_PATH "/tmp/ppp/ip-down"
+-#define _PATH_AUTHUP _ROOT_PATH "/tmp/ppp/auth-up"
+-#define _PATH_AUTHDOWN _ROOT_PATH "/tmp/ppp/auth-down"
+-#define _PATH_TTYOPT _ROOT_PATH "/tmp/ppp/options."
+-#define _PATH_CONNERRS _ROOT_PATH "/tmp/ppp/connect-errors"
+-#define _PATH_PEERFILES _ROOT_PATH "/tmp/ppp/peers/"
+-#define _PATH_RESOLV _ROOT_PATH "/tmp/ppp/resolv.conf"
++#define _PATH_UPAPFILE _ROOT_PATH "/ppp/pap-secrets"
++#define _PATH_CHAPFILE _ROOT_PATH "/ppp/chap-secrets"
++#define _PATH_SYSOPTIONS _ROOT_PATH "/ppp/options"
++#define _PATH_IPUP _ROOT_PATH "/ppp/ip-up"
++#define _PATH_IPDOWN _ROOT_PATH "/ppp/ip-down"
++#define _PATH_AUTHUP _ROOT_PATH "/ppp/auth-up"
++#define _PATH_AUTHDOWN _ROOT_PATH "/ppp/auth-down"
++#define _PATH_TTYOPT _ROOT_PATH "/ppp/options."
++#define _PATH_CONNERRS "/tmp/connect-errors"
++#define _PATH_PEERFILES _ROOT_PATH "/ppp/peers/"
++#define _PATH_RESOLV "/tmp/resolv.conf"
+
+ #define _PATH_USEROPT ".ppprc"
+
+ #ifdef INET6
+-#define _PATH_IPV6UP _ROOT_PATH "/tmp/ppp/ipv6-up"
+-#define _PATH_IPV6DOWN _ROOT_PATH "/tmp/ppp/ipv6-down"
++#define _PATH_IPV6UP _ROOT_PATH "/ppp/ipv6-up"
++#define _PATH_IPV6DOWN _ROOT_PATH "/ppp/ipv6-down"
+ #endif
+
+ #ifdef IPX_CHANGE
+-#define _PATH_IPXUP _ROOT_PATH "/tmp/ppp/ipx-up"
+-#define _PATH_IPXDOWN _ROOT_PATH "/tmp/ppp/ipx-down"
++#define _PATH_IPXUP _ROOT_PATH "/ppp/ipx-up"
++#define _PATH_IPXDOWN _ROOT_PATH "/ppp/ipx-down"
+ #endif /* IPX_CHANGE */
+
+ #ifdef __STDC__
+@@ -48,7 +48,7 @@
+ #ifdef HAVE_PATHS_H
+ #define _PATH_PPPDB "/var/run/pppd.tdb"
+ #else
+-#define _PATH_PPPDB "/tmp/ppp/pppd.tdb"
++#define _PATH_PPPDB "/tmp/pppd.tdb"
+ #endif
+ #endif /* __STDC__ */
+
--- /dev/null
+/etc/ppp/ip-up
--- /dev/null
+Package: pppoecd
+Priority: optional
+Version: 1.0
+Architecture: mipsel
+Maintainer: below0
+Section: net
+Source: Embedded in the main openwrt tarball
+Description: Linksys PPPoE daemon for access to internet using DSL modems
+
+
--- /dev/null
+#!/bin/sh
+
+# set default route
+/sbin/route add default gw $IPREMOTE
+
--- /dev/null
+--- pppoe.c.orig Sat Jul 10 20:55:38 2004
++++ pppoe.c Sat Jul 10 20:55:55 2004
+@@ -131,8 +131,7 @@
+
+ if (pppoe_srv_name !=NULL) {
+ if (strlen (pppoe_srv_name) > 255) {
+- poe_error (ses," Service name too long
+- (maximum allowed 256 chars)");
++ poe_error (ses," Service name too long (maximum allowed 256 chars)");
+ poe_die(-1);
+ }
+ ses->filt->stag = make_filter_tag(PTT_SRV_NAME,
+--- Makefile.orig Sun Jul 11 03:26:49 2004
++++ Makefile Sun Jul 11 03:27:18 2004
+@@ -68,9 +68,9 @@
+ all: pppoecd
+
+ install: all
+- install -d $(INSTALLDIR)/usr/sbin
+- install -m 755 pppoecd $(INSTALLDIR)/usr/sbin
+- $(STRIP) $(INSTALLDIR)/usr/sbin/pppoecd
++ install -d $(INSTALLDIR)/sbin
++ install -m 755 pppoecd $(INSTALLDIR)/sbin
++ $(STRIP) $(INSTALLDIR)/sbin/pppoecd
+
+ pppoecd: $(OBJS)
+ $(LD) -r -o .$@ $^ $(LIBCRYPT)
--- /dev/null
+#!/bin/sh
+
+rm -rf /etc/ppp
+
--- /dev/null
+#!/bin/sh
+
+killall pppoecd
+sleep 3
+killall -9 pppoecd
\ No newline at end of file
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