diff options
author | Loïc Minier <lool@dooz.org> | 2007-09-30 14:48:13 +0200 |
---|---|---|
committer | Loïc Minier <lool@dooz.org> | 2007-09-30 14:48:13 +0200 |
commit | 68965ba407b3d9d3d9f7e034a384b936b057c6fc (patch) | |
tree | 5bdb8b2aa329a47bab1fa2bb8129874aabb16ab5 /contrib |
Imported upstream version 1.9
Diffstat (limited to 'contrib')
-rw-r--r-- | contrib/CVS/Entries | 5 | ||||
-rw-r--r-- | contrib/CVS/Repository | 1 | ||||
-rw-r--r-- | contrib/CVS/Root | 1 | ||||
-rw-r--r-- | contrib/README | 20 | ||||
-rw-r--r-- | contrib/network | 288 | ||||
-rw-r--r-- | contrib/vlan_2.2-full.patch | 2906 | ||||
-rw-r--r-- | contrib/vlan_2.2-module.patch | 495 |
7 files changed, 3716 insertions, 0 deletions
diff --git a/contrib/CVS/Entries b/contrib/CVS/Entries new file mode 100644 index 0000000..2e0a86d --- /dev/null +++ b/contrib/CVS/Entries @@ -0,0 +1,5 @@ +/vlan_2.2-full.patch/1.1/Mon Jun 18 22:31:13 2001// +/vlan_2.2-module.patch/1.1/Mon Jun 18 22:31:13 2001// +/README/1.2/Tue Sep 30 23:21:29 2003// +/network/1.1/Tue Sep 30 23:19:45 2003// +D diff --git a/contrib/CVS/Repository b/contrib/CVS/Repository new file mode 100644 index 0000000..54d399b --- /dev/null +++ b/contrib/CVS/Repository @@ -0,0 +1 @@ +vlan/contrib diff --git a/contrib/CVS/Root b/contrib/CVS/Root new file mode 100644 index 0000000..469c859 --- /dev/null +++ b/contrib/CVS/Root @@ -0,0 +1 @@ +:pserver:greear@ns1.wanfear.com:/home/cvs/vlan diff --git a/contrib/README b/contrib/README new file mode 100644 index 0000000..5af786d --- /dev/null +++ b/contrib/README @@ -0,0 +1,20 @@ +Here lies contributions from the community at large that for one +reason or another (laziness on my part, and lack of testing, are +valid reasons!), are not in the main distribution. + +If any of these seem particularly stable or useful, let me +know and I will consider adding them to the main patch. + +Descriptions: +network + "Thanks for the great vconfig patch/tool. I submit to you a minor + change to the RedHat 7.3 /etc/rc.d/init.d/network script that + recognizes VLAN interfaces /etc/sysconfig/network-scripts/ifcfg-ethx.y , + and makes appropriate calls to vconfig prior to bringing the + interface up. This makes startup more straightforward, + and may be of use to your website visitors. + -Derek" + + + + Thanks, Ben Greear (greearb@candelatech.com) diff --git a/contrib/network b/contrib/network new file mode 100644 index 0000000..48e4240 --- /dev/null +++ b/contrib/network @@ -0,0 +1,288 @@ +#! /bin/bash +# +# network Bring up/down networking +# +# chkconfig: 2345 10 90 +# description: Activates/Deactivates all network interfaces configured to \ +# start at boot time. +# probe: true +### BEGIN INIT INFO +# Provides: $network +### END INIT INFO + +# Source function library. + +. /etc/init.d/functions + +if [ ! -f /etc/sysconfig/network ]; then + exit 0 +fi + +. /etc/sysconfig/network + +if [ -f /etc/sysconfig/pcmcia ]; then + . /etc/sysconfig/pcmcia +fi + + +# Check that networking is up. +[ "${NETWORKING}" = "no" ] && exit 0 + +# if the ip configuration utility isn't around we can't function. +[ -x /sbin/ip ] || exit 1 + +# Even if IPX is configured, without the utilities we can't do much +[ ! -x /sbin/ipx_internal_net -o ! -x /sbin/ipx_configure ] && IPX= + +# If IPv6 is explicitly configured, make sure it's available. +if [ "$NETWORKING_IPV6" = "yes" ]; then + alias=`modprobe -c | awk '/^alias net-pf-10 / { print $3 }'` + if [ "$alias" != "ipv6" -a ! -f /proc/net/if_inet6 ]; then + echo "alias net-pf-10 ipv6" >> /etc/modules.conf + fi +fi + +CWD=`pwd` +cd /etc/sysconfig/network-scripts + +. network-functions + +# find all the interfaces besides loopback. +# ignore aliases, alternative configurations, and editor backup files +interfaces=`ls ifcfg* | LANG=C egrep -v '(ifcfg-lo|:|\.|rpmsave|rpmorig|rpmnew)' | \ + LANG=C egrep -v '(~|\.bak)$' | \ + LANG=C egrep 'ifcfg-[A-Za-z0-9_-]+$' | \ + sed 's/^ifcfg-//g'` + +vlan_interfaces=`ls ifcfg-eth?.?* | \ + LANG=C egrep -v '(~|\.bak)$' | \ + LANG=C egrep 'ifcfg-[A-Za-z0-9_-\.]+$' | \ + sed 's/^ifcfg-//g'` + +# See how we were called. +case "$1" in + start) + # IPv6 hook (pre IPv4 start) + if [ "$NETWORKING_IPV6" = "yes" ]; then + if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then + /etc/sysconfig/network-scripts/init.ipv6-global start pre + fi + fi + + action $"Setting network parameters: " sysctl -e -p /etc/sysctl.conf + + # bring up loopback interface + action $"Bringing up loopback interface: " ./ifup ifcfg-lo + + case "$IPX" in + yes|true) + /sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY \ + --auto_interface=$IPXAUTOFRAME + if [ "$IPXINTERNALNETNUM" != "0" ]; then + /sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM + fi + ;; + esac + + oldhotplug=`sysctl kernel.hotplug 2>/dev/null | \ + awk '{ print $3 }' 2>/dev/null` + sysctl -w kernel.hotplug="/bin/true" > /dev/null 2>&1 + + cipeinterfaces="" + + # bring up all other interfaces configured to come up at boot time + for i in $interfaces; do + eval $(fgrep "DEVICE=" ifcfg-$i) + if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi + + if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then + cipeinterfaces="$cipeinterfaces $DEVICE" + continue + fi + if LANG=C egrep -L "^ONBOOT=\"?[Nn][Oo]\"?" ifcfg-$i > /dev/null ; then + # this loads the module, to preserve ordering + is_available $i + continue + fi + # If we're in confirmation mode, get user confirmation + [ -n "$CONFIRM" ] && + { + confirm $i + case $? in + 0) + : + ;; + 2) + CONFIRM= + ;; + *) + continue + ;; + esac + } + + action $"Bringing up interface $i: " ./ifup $i boot + done + + # bring up vlan interfaces configured to come up at boot time + for i in $vlan_interfaces; do + eval $(fgrep "DEVICE=" ifcfg-$i) + if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi + + if LANG=C egrep -L "^ONBOOT=\"?[Nn][Oo]\"?" ifcfg-$i > /dev/null ; then + # this loads the module, to preserve ordering + is_available $i + continue + fi + # If we're in confirmation mode, get user confirmation + [ -n "$CONFIRM" ] && + { + confirm $i + case $? in + 0) + : + ;; + 2) + CONFIRM= + ;; + *) + continue + ;; + esac + } + /usr/local/bin/vconfig add `echo $i | tr '.' ' '` + action $"Bringing up interface $i: " ./ifup $i boot + done + + # Bring up CIPE VPN interfaces + for i in $cipeinterfaces ; do + if ! LANG=C egrep -L "^ONBOOT=\"?[Nn][Oo]\"?" ifcfg-$i >/dev/null 2>&1 ; then + # If we're in confirmation mode, get user confirmation + [ -n "$CONFIRM" ] && + { + confirm $i + case $? in + 0) + : + ;; + 2) + CONFIRM= + ;; + *) + continue + ;; + esac + } + action $"Bringing up interface $i: " ./ifup $i boot + fi + done + + sysctl -w kernel.hotplug=$oldhotplug > /dev/null 2>&1 + + # Add non interface-specific static-routes. + if [ -f /etc/sysconfig/static-routes ]; then + grep "^any" /etc/sysconfig/static-routes | while read ignore args ; do + /sbin/route add -$args + done + fi + + # IPv6 hook (post IPv4 start) + if [ "$NETWORKING_IPV6" = "yes" ]; then + if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then + /etc/sysconfig/network-scripts/init.ipv6-global start post + fi + fi + # Run this again to catch any interface-specific actions + sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1 + + touch /var/lock/subsys/network + ;; + stop) + # If this is a final shutdown/halt, check for network FS, + # and unmount them even if the user didn't turn on netfs + + if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then + NFSMTAB=`grep -v '^#' /proc/mounts | awk '{ if ($3 ~ /^nfs$/ ) print $2}'` + SMBMTAB=`grep -v '^#' /proc/mounts | awk '{ if ($3 ~ /^smbfs$/ ) print $2}'` + NCPMTAB=`grep -v '^#' /proc/mounts | awk '{ if ($3 ~ /^ncpfs$/ ) print $2}'` + if [ -n "$NFSMTAB" -o -n "$SMBMTAB" -o -n "$NCPMTAB" ] ; then + /etc/init.d/netfs stop + fi + fi + + # IPv6 hook (pre IPv4 stop) + if [ "$NETWORKING_IPV6" = "yes" ]; then + if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then + /etc/sysconfig/network-scripts/init.ipv6-global stop pre + fi + fi + + # shut down all interfaces (other than loopback) + for i in $interfaces ; do + eval $(fgrep "DEVICE=" ifcfg-$i) + if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi + + if ! check_device_down $i; then + action $"Shutting down interface $i: " ./ifdown $i boot + fi + done + # VLAN + for i in $vlan_interfaces ; do + eval $(fgrep "DEVICE=" ifcfg-$i) + if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi + + if [ -f /proc/net/vlan/$i ]; then + action $"Removing vlan interface interface $i: " /usr/local/bin/vconfig rem $i + fi + done + + case "$IPX" in + yes|true) + if [ "$IPXINTERNALNETNUM" != "0" ]; then + /sbin/ipx_internal_net del + fi + ;; + esac + + action $"Shutting down loopback interface: " ./ifdown ifcfg-lo + + if [ -d /proc/sys/net/ipv4 ]; then + if [ -f /proc/sys/net/ipv4/ip_forward ]; then + if [ `cat /proc/sys/net/ipv4/ip_forward` != 0 ]; then + action $"Disabling IPv4 packet forwarding: " sysctl -w net.ipv4.ip_forward=0 + fi + fi + if [ -f /proc/sys/net/ipv4/ip_always_defrag ]; then + if [ `cat /proc/sys/net/ipv4/ip_always_defrag` != 0 ]; then + action $"Disabling IPv4 automatic defragmentation: " sysctl -w net.ipv4.ip_always_defrag=0 + fi + fi + fi + + # IPv6 hook (post IPv4 stop) + if [ "$NETWORKING_IPV6" = "yes" ]; then + if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then + /etc/sysconfig/network-scripts/init.ipv6-global stop post + fi + fi + + rm -f /var/lock/subsys/network + ;; + status) + echo $"Configured devices:" + echo lo $interfaces + + echo $"Currently active devices:" + echo `/sbin/ip -o link show | awk -F ": " '{ print $2 }'` + ;; + restart|reload) + cd $CWD + $0 stop + $0 start + ;; + *) + echo $"Usage: $0 {start|stop|restart|reload|status}" + exit 1 +esac + +exit 0 diff --git a/contrib/vlan_2.2-full.patch b/contrib/vlan_2.2-full.patch new file mode 100644 index 0000000..4ae3012 --- /dev/null +++ b/contrib/vlan_2.2-full.patch @@ -0,0 +1,2906 @@ +diff -Nurb linux/include/linux/if_ether.h linux.p/include/linux/if_ether.h +--- linux/include/linux/if_ether.h Sun Mar 25 18:31:03 2001 ++++ linux.p/include/linux/if_ether.h Mon Jun 4 16:10:17 2001 +@@ -32,6 +32,33 @@ + #define ETH_DATA_LEN 1500 /* Max. octets in payload */ + #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ + ++ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++ ++#define VLAN_ETH_ALEN 6 /* Octets in one ethernet addr */ ++#define VLAN_ETH_HLEN 18 /* Total octets in header. */ ++#define VLAN_ETH_ZLEN 64 /* Min. octets in frame sans FCS */ ++ ++/* These could be bumped up by 4, but I'm not sure if all the underlying ++ * drivers would like it. ++ * UPDATE: Bumping it by 4, as per Klika's suggestion below. --BLG ++ * ++ * According to 802.3ac, the packet can be 4 bytes longer. --Klika Jan ++ */ ++#define VLAN_ETH_DATA_LEN 1500 /* Max. octets in payload */ ++#define VLAN_ETH_FRAME_LEN 1518 /* Max. octets in frame sans FCS */ ++ ++struct vlan_ethhdr ++{ ++ unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ ++ unsigned char h_source[ETH_ALEN]; /* source ether addr */ ++ unsigned short h_vlan_proto; /* Should always be 0x8100 */ ++ unsigned short h_vlan_TCI; /* Encapsulates priority and VLAN ID */ ++ unsigned short h_vlan_encapsulated_proto; /* packet type ID field (or len) */ ++}; ++ ++#endif /* CONFIG_VLAN_802_1Q ... */ ++ + /* + * These are the defined Ethernet Protocol ID's. + */ +@@ -54,6 +81,7 @@ + #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ + #define ETH_P_ATALK 0x809B /* Appletalk DDP */ + #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ ++#define ETH_P_802_1Q 0x8100 /* 802.1Q VLAN Extended Header */ + #define ETH_P_IPX 0x8137 /* IPX over DIX */ + #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ + #define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ +diff -Nurb linux/include/linux/if_vlan.h linux.p/include/linux/if_vlan.h +--- linux/include/linux/if_vlan.h Thu Jan 1 01:00:00 1970 ++++ linux.p/include/linux/if_vlan.h Mon Jun 4 16:18:26 2001 +@@ -0,0 +1,238 @@ ++/* -*- linux-c -*- ++ * VLAN An implementation of 802.1Q VLAN tagging. ++ * ++ * Version: 0.0.1 03/06/99 ++ * ++ * Authors: Ben Greear <greearb@candelatech.com> ++ * ++ * 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 ++ * 2 of the License, or (at your option) any later version. ++ * ++ */ ++ ++#ifndef _LINUX_IF_VLAN_H_ ++#define _LINUX_IF_VLAN_H_ ++ ++#ifdef __KERNEL__ ++ ++ ++/* externally defined structs */ ++struct vlan_group; ++struct device; ++struct sk_buff; ++struct packet_type; ++struct vlan_collection; ++ ++ ++#include <linux/proc_fs.h> /* for proc_dir_entry */ ++ ++ ++ ++/* Find a VLAN device by the MAC address of it's Ethernet device, and ++ * it's VLAN ID. The default configuration is to have VLAN's scope ++ * to be box-wide, so the MAC will be ignored. The mac will only be ++ * looked at if we are configured to have a seperate set of VLANs per ++ * each MAC addressable interface. Note that this latter option does ++ * NOT follow the spec for VLANs, but may be useful for doing very ++ * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs. ++ */ ++struct device *find_802_1Q_vlan_dev(struct device* real_dev, ++ unsigned short VID); /* vlan.c */ ++ ++ ++int register_netdevice(struct device *dev); /* found in dev.c */ ++int unregister_netdevice(struct device *dev); /* found in dev.c */ ++int dev_new_index(void); /* dev.c */ ++ ++/* found in vlan_dev.c */ ++struct net_device_stats* vlan_dev_get_stats(struct device* dev); ++int vlan_dev_rebuild_header(struct sk_buff *skb); ++int vlan_dev_type_trans(struct sk_buff *skb, struct device *dev, ++ struct packet_type* ptype); ++int vlan_dev_hard_header(struct sk_buff *skb, struct device *dev, ++ unsigned short type, void *daddr, void *saddr, ++ unsigned len); ++int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct device *dev); ++int vlan_dev_change_mtu(struct device *dev, int new_mtu); ++int vlan_dev_set_mac_address(struct device *dev, void* addr); ++int vlan_dev_open(struct device* dev); ++int vlan_dev_stop(struct device* dev); ++int vlan_dev_init(struct device* dev); ++void vlan_dev_destruct(struct device* dev); ++int vlan_dev_set_vlan_flag(char* dev_name, __u32 flag, short flag_val); ++/* I'm ignorant of these right now. --BLG ++int vlan_dev_header_cache(struct neighbour *neigh, struct hh_cache *hh); ++void vlan_dev_header_cache_update(struct hh_cache *hh, struct device *dev, ++ unsigned char * haddr); ++*/ ++void vlan_dev_copy_and_sum(struct sk_buff *dest, unsigned char *src, ++ int length, int base); ++int vlan_dev_set_ingress_priority(char* dev_name, __u32 skb_prio, short vlan_prio); ++int vlan_dev_set_egress_priority(char* dev_name, __u32 skb_prio, short vlan_prio); ++ ++/* VLAN multicast stuff */ ++/* Delete all of the MC list entries from this vlan device. Also deals ++ * with the underlying device... ++ */ ++void vlan_flush_mc_list(struct device* dev); ++/* copy the mc_list into the vlan_info structure. */ ++void vlan_copy_mc_list(struct dev_mc_list* mc_list, struct vlan_dev_info* vlan_info); ++/** dmi is a single entry into a dev_mc_list, a single node. mc_list is ++ * an entire list, and we'll iterate through it. ++ */ ++int vlan_should_add_mc(struct dev_mc_list *dmi, struct dev_mc_list *mc_list); ++/** Taken from Gleb + Lennert's VLAN code, and modified... */ ++void vlan_dev_set_multicast_list(struct device *vlan_dev); ++ ++ ++int vlan_collection_add_vlan(struct vlan_collection* vc, unsigned short vlan_id, ++ unsigned short flags); ++int vlan_collection_remove_vlan(struct vlan_collection* vc, ++ struct device* vlan_dev); ++int vlan_collection_remove_vlan_id(struct vlan_collection* vc, unsigned short vlan_id); ++ ++ ++ ++/* found in vlan.c */ ++/* Our listing of VLAN group(s) */ ++extern struct vlan_group* p802_1Q_vlan_list; ++ ++ ++#define VLAN_NAME "vlan" ++ ++/* if this changes, algorithm will have to be reworked because this ++ * depends on completely exhausting the VLAN identifier space. Thus ++ * it gives constant time lookup, but it many cases it wastes memory. ++ */ ++#define VLAN_GROUP_ARRAY_LEN 4096 ++ ++struct vlan_group { ++ int real_dev_ifindex; /* The index of the ethernet(like?) device the vlan is attached to. */ ++ struct device* vlan_devices[VLAN_GROUP_ARRAY_LEN]; ++ ++ struct vlan_group* next; /* the next in the list */ ++}; ++ ++ ++/* __Flags__ relating to the vlan ports */ ++#define VLAN_FLAG_ALLOW_802_3 1 ++#define VLAN_FLAG_ALLOW_802_1Q 2 ++#define VLAN_FLAG_IS_IN_USE 4 ++ ++ ++struct vlan_priority_tci_mapping { ++ unsigned long priority; ++ unsigned short vlan_qos; /* This should be shifted when first set, so we only do it ++ * at provisioning time. ++ * ((skb->priority << 13) & 0xE000) ++ */ ++ struct vlan_priority_tci_mapping* next; ++}; ++ ++/* Holds information that makes sense if this device is a VLAN device. */ ++struct vlan_dev_info { ++ /** This will be the mapping that correlates skb->priority to ++ * 3 bits of VLAN QOS tags... ++ */ ++ unsigned long ingress_priority_map[8]; ++ struct vlan_priority_tci_mapping* egress_priority_map[16]; /* hash table */ ++ ++ unsigned short vlan_id; /* The VLAN Identifier for this interface. */ ++ unsigned short flags; /* (1 << 0) re_order_header This option will cause the ++ * VLAN code to move around the ethernet header on ++ * ingress to make the skb look **exactly** like it ++ * came in from an ethernet port. This destroys some of ++ * the VLAN information in the skb, but it fixes programs ++ * like DHCP that use packet-filtering and don't understand ++ * 802.1Q ++ */ ++ struct dev_mc_list* old_mc_list; /* old multi-cast list for the VLAN interface.. ++ * we save this so we can tell what changes were ++ * made, in order to feed the right changes down ++ * to the real hardware... ++ */ ++ int old_allmulti; /* similar to above. */ ++ int old_promiscuity; /* similar to above. */ ++ struct device* real_dev; /* the underlying device/interface */ ++ struct proc_dir_entry dent; /* Holds the proc data */ ++ unsigned long cnt_inc_headroom_on_tx; /* How many times did we have to grow the skb on TX. */ ++ unsigned long cnt_encap_on_xmit; /* How many times did we have to encapsulate the skb on TX. */ ++}; ++ ++static inline unsigned short vlan_dev_get_egress_qos_mask(struct device* dev, struct sk_buff* skb) { ++ struct vlan_priority_tci_mapping* mp = dev->vlan_dev->egress_priority_map[(skb->priority & 0xF)]; ++ while (mp) { ++ if (mp->priority == skb->priority) { ++ return mp->vlan_qos; /* This should already be shifted to mask correctly with ++ * the VLAN's TCI ++ */ ++ } ++ mp = mp->next; ++ } ++ return 0; ++} ++ ++static inline int vlan_dmi_equals(struct dev_mc_list *dmi1, ++ struct dev_mc_list *dmi2) { ++ return ((dmi1->dmi_addrlen == dmi2->dmi_addrlen) && ++ (memcmp(dmi1->dmi_addr, dmi2->dmi_addr, dmi1->dmi_addrlen) == 0)); ++} ++ ++static inline void vlan_destroy_mc_list(struct dev_mc_list *mc_list) { ++ struct dev_mc_list *dmi = mc_list, *next; ++ ++ while(dmi) { ++ next = dmi->next; ++ kfree(dmi); ++ dmi = next; ++ } ++} ++ ++#endif /* __KERNEL__ */ ++ ++/** These are the IOCTLs relating to the /proc/net/vlan/ * files. ++ * Not all may be supported at this time, and some may be primarily ++ * used for testing and obtaining non-standard access to kernel ++ * devices. ++ */ ++ ++#define VLAN_IOCTL 0x52 /* TODO: Can I just make these up??? */ ++ ++enum vlan_ioctls { ++ ADD_VLAN_IOCTL = (VLAN_IOCTL << 8), ++ DEL_VLAN_IOCTL, ++ SET_INGRESS_PRIORITY_IOCTL, ++ SET_EGRESS_PRIORITY_IOCTL, ++ GET_INGRESS_PRIORITY_IOCTL, ++ GET_EGRESS_PRIORITY_IOCTL, ++ SET_NAME_TYPE_IOCTL, ++ SET_VLAN_FLAG_IOCTL ++}; /* vlan_ioctl enum */ ++ ++enum vlan_name_types { ++ VLAN_NAME_TYPE_PLUS_VID, /* Name will look like: vlan0005 */ ++ VLAN_NAME_TYPE_RAW_PLUS_VID, /* name will look like: eth1.0005 */ ++ VLAN_NAME_TYPE_PLUS_VID_NO_PAD, /* Name will look like: vlan5 */ ++ VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, /* Name will look like: eth0.5 */ ++ VLAN_NAME_TYPE_HIGHEST ++}; ++ ++struct vlan_ioctl_args { ++ char dev1[24]; ++ ++ union { ++ char dev2[24]; ++ int VID; ++ unsigned long skb_priority; ++ unsigned long name_type; ++ unsigned long bind_type; ++ unsigned long flag; /* Matches vlan_dev_info flags */ ++ } u; ++ ++ short vlan_qos; /* Can also be flag-value, 1 to set, 0 to clear. */ ++}; ++ ++ ++#endif +diff -Nurb linux/include/linux/netdevice.h linux.p/include/linux/netdevice.h +--- linux/include/linux/netdevice.h Sun Mar 25 18:31:03 2001 ++++ linux.p/include/linux/netdevice.h Mon Jun 4 16:10:48 2001 +@@ -39,6 +39,10 @@ + #endif + #endif + ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++struct vlan_dev_info; ++#endif /* CONFIG_VLAN_802_1Q ... */ ++ + struct divert_blk; + + /* +@@ -53,7 +57,11 @@ + */ + + #if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR) ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++#define LL_MAX_HEADER 36 ++#else + #define LL_MAX_HEADER 32 ++#endif /* CONFIG_VLAN_802_1Q ... */ + #else + #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) + #define LL_MAX_HEADER 96 +@@ -155,11 +163,18 @@ + { + struct hh_cache *hh_next; /* Next entry */ + atomic_t hh_refcnt; /* number of users */ +- unsigned short hh_type; /* protocol identifier, f.e ETH_P_IP */ ++ unsigned short hh_type; /* protocol identifier, f.e ETH_P_IP ++ * NOTE: For VLANs, this will be the ++ * encapsulated type. --BLG ++ */ + int (*hh_output)(struct sk_buff *skb); + rwlock_t hh_lock; + /* cached hardware header; allow for machine alignment needs. */ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) /* we need 4 extra bytes for VLAN headers */ ++ unsigned long hh_data[20/sizeof(unsigned long)]; ++#else + unsigned long hh_data[16/sizeof(unsigned long)]; ++#endif /* CONFIG_VLAN_802_1Q ... */ + }; + + +@@ -319,6 +334,11 @@ + /* Semi-private data. Keep it at the end of device struct. */ + struct dst_entry *fastpath[NETDEV_FASTROUTE_HMASK+1]; + #endif ++ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++ /* Holds information that makes sense if this device is a VLAN device. */ ++ struct vlan_dev_info* vlan_dev; ++#endif /* CONFIG_VLAN_802_1Q ... */ + + #ifdef CONFIG_NET_DIVERT + /* this will get initialized at each interface type init routine */ +diff -Nurb linux/net/802_1Q/Makefile linux.p/net/802_1Q/Makefile +--- linux/net/802_1Q/Makefile Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/Makefile Mon Jun 4 16:08:04 2001 +@@ -0,0 +1,21 @@ ++# ++# Makefile for the Linux 802.1q protocol layer ++# ++# Note! Dependencies are done automagically by 'make dep', which also ++# removes any old dependencies. DON'T put your own dependencies here ++# unless it's something special (ie not a .c file). ++# ++# Note 2! The CFLAGS definition is now in the main makefile... ++ ++O_TARGET := 802_1Q.o ++O_OBJS := vlan.o vlanproc.o vlan_dev.o ++ ++ifeq ($(CONFIG_VLAN_802_1Q),m) ++M_OBJS := $(O_TARGET) ++endif ++ ++ifeq ($(CONFIG_SYSCTL),y) ++O_OBJS += sysctl_net_vlan.o ++endif ++ ++include $(TOPDIR)/Rules.make +diff -Nurb linux/net/802_1Q/sysctl_net_vlan.c linux.p/net/802_1Q/sysctl_net_vlan.c +--- linux/net/802_1Q/sysctl_net_vlan.c Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/sysctl_net_vlan.c Mon Jun 4 16:08:04 2001 +@@ -0,0 +1,18 @@ ++/* ++ * sysctl_net_vlan.c: sysctl interface to net Ethernet VLAN subsystem. ++ * ++ * Begun Dec 20, 1998, Ben Greear ++ * ++ * TODO: What, if anything, should this do?? ++ */ ++ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++ ++#include <linux/mm.h> ++#include <linux/sysctl.h> ++ ++ctl_table ether_vlan_table[] = { ++ {0} ++}; ++ ++#endif /* CONFIG_VLAN_802_1Q ... */ +diff -Nurb linux/net/802_1Q/vlan.c linux.p/net/802_1Q/vlan.c +--- linux/net/802_1Q/vlan.c Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/vlan.c Mon Jun 4 17:46:31 2001 +@@ -0,0 +1,445 @@ ++/* -*- linux-c -*- ++ * INET An implementation of the TCP/IP protocol suite for the LINUX ++ * operating system. INET is implemented using the BSD Socket ++ * interface as the means of communication with the user level. ++ * ++ * Ethernet-type device handling. ++ * ++ * Version: @(#)vlan.c started 12/21/98 ++ * ++ * Authors: Ben Greear <greearb@candelatech.com>, <greearb@agcs.com> ++ * ++ * Fixes: ++ * ++ * 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 ++ * 2 of the License, or (at your option) any later version. ++ */ ++ ++#include <asm/uaccess.h> /* for copy_from_user */ ++#include <linux/module.h> ++#include <linux/netdevice.h> ++#include <linux/skbuff.h> ++#include <net/datalink.h> ++#include <linux/mm.h> ++#include <linux/in.h> ++#include <linux/init.h> ++#include <net/p8022.h> ++#include <net/arp.h> ++ ++#include <linux/if_vlan.h> ++#include "vlan.h" ++#include "vlanproc.h" ++ ++extern int register_netdevice(struct device *dev); /* found in dev.c */ ++extern int unregister_netdevice(struct device *dev); /* found in dev.c */ ++extern int dev_new_index(void); /* dev.c */ ++ ++extern int eth_header_parse(struct sk_buff *skb, unsigned char *haddr); /* eth.c */ ++ ++extern struct Qdisc noqueue_qdisc; ++ ++/* Global VLAN variables */ ++ ++/* Our listing of VLAN group(s) */ ++struct vlan_group *p802_1Q_vlan_list = NULL; ++ ++static char vlan_fullname[] = "802.1Q VLAN Support"; ++static unsigned int vlan_version = 1; ++static unsigned int vlan_release = 0; ++static char vlan_copyright[] = "(c) 2000 Ben Greear (GPL)"; ++ ++/** These may be changed at run-time through IOCTLs */ ++unsigned short vlan_name_type = 0; /* determines interface naming scheme */ ++unsigned long vlan_bad_proto_recvd = 0; /* Counter for how many NON-VLAN protos we've received on a VLAN. */ ++ ++ ++static struct packet_type vlan_packet_type = ++{ ++ 0, /* MUTTER ntohs(ETH_P_802_1Q),*/ ++ NULL, ++ vlan_dev_type_trans, /* VLAN receive method */ ++ NULL, ++ NULL, ++}; ++ ++/* End of global variables definitions. */ ++ ++#ifdef MODULE ++ ++/* ++ * Kernel Loadable Module Entry Points ++ * ++ * Module 'insert' entry point. ++ * o print announcement ++ * o initialize static data ++ * o create /proc/net/vlan directory and static entries ++ * ++ * Return: 0 Ok ++ * < 0 error. ++ * Context: process ++ */ ++int init_module (void) { ++ vlan_proto_init(NULL); ++ return 0; ++} ++ ++/* ++ * Module 'remove' entry point. ++ * o delete /proc/net/router directory and static entries. ++ */ ++void cleanup_module (void) { ++ dev_remove_pack(&vlan_packet_type); ++ vlan_proc_cleanup(); ++} ++ ++#else ++ ++ ++/** Non-module init entry point. */ ++__initfunc(void vlan_system_init(void)) { ++ /* protocol initialization */ ++ vlan_proto_init(NULL); ++} ++#endif ++ ++/* ++ * Function vlan_proto_init (pro) ++ * ++ * Initialize VLAN protocol layer, ++ * ++ */ ++void vlan_proto_init(struct net_proto *pro) { ++ ++ int err; ++ printk(VLAN_INF "%s v%u.%u %s\n", ++ vlan_fullname, vlan_version, vlan_release, vlan_copyright); ++ ++ /* proc file system initialization */ ++ err = vlan_proc_init(); ++ if (err < 0) { ++ printk(KERN_ERR __FUNCTION__ ++ "%s: can't create entry in proc filesystem!\n", VLAN_NAME); ++ } ++ ++ /* network byte order!! */ ++ vlan_packet_type.type = htons(ETH_P_802_1Q); ++ dev_add_pack(&vlan_packet_type); ++ printk(VLAN_INF "%s Initialization complete.\n", VLAN_NAME); ++} ++ ++ ++ ++/** Will search linearly for now, based on device index. Could ++ * hash, or directly link, this some day. --Ben ++ */ ++struct vlan_group* vlan_find_group(int real_dev_ifindex) { ++ struct vlan_group* grp = NULL; ++ ++ for (grp = p802_1Q_vlan_list; ++ ((grp != NULL) && (grp->real_dev_ifindex != real_dev_ifindex)); ++ grp = grp->next) { ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": grp_idx: %i real_dev_idx: %i\n", ++ grp->real_dev_ifindex, real_dev_ifindex); ++#endif ++ ; ++ } /* for */ ++ ++ return grp; ++} ++ ++/* Find the protocol handler. Assumes VID < 0xFFF. ++ */ ++struct device *find_802_1Q_vlan_dev(struct device* real_dev, unsigned short VID) { ++ ++ struct vlan_group* grp = vlan_find_group(real_dev->ifindex); ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": idx: %i grp: %p\n", real_dev->ifindex, grp); ++#endif ++ ++ /* When here, we have found the correct group, if it exists. */ ++ ++ if (grp) { /* then we found one */ ++ return grp->vlan_devices[VID]; /* return the vlan device */ ++ }//if ++ ++ return NULL; ++}/* find_802_1Q_vlan_dev */ ++ ++ ++ ++int unregister_802_1Q_vlan_dev(int real_dev_ifindex, unsigned short vlan_id) { ++ struct vlan_group* grp; ++ struct device* dev = NULL; ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": VID: %i\n", vlan_id); ++#endif ++ ++ /* sanity check */ ++ if ((vlan_id >= 0xFFF) || (vlan_id <= 0)) { ++ return -EINVAL; ++ } ++ ++ grp = vlan_find_group(real_dev_ifindex); ++ /* When here, we have found the correct group, if it exists. */ ++ ++ if (grp) { ++ dev = grp->vlan_devices[vlan_id]; ++ if (dev) { ++ ++ /* Remove proc entry */ ++ vlan_proc_rem_dev(dev); ++ ++ /* take it out of our own structures */ ++ grp->vlan_devices[vlan_id] = NULL; ++ ++ /* Take it out of the global list of devices. ++ * NOTE: This deletes dev, don't access it again!! ++ */ ++ unregister_netdevice(dev); ++ MOD_DEC_USE_COUNT; ++ ++ }/* if */ ++ }/* if */ ++ return 0; ++}/* unregister vlan device */ ++ ++ ++ ++int unregister_802_1Q_vlan_device(const char* vlan_IF_name) { ++ struct device* dev = NULL; ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": unregister VLAN by name, name -:%s:-\n", ++ vlan_IF_name); ++#endif ++ ++ dev = dev_get(vlan_IF_name); ++ ++ if (dev && dev->vlan_dev) { ++ return unregister_802_1Q_vlan_dev(dev->vlan_dev->real_dev->ifindex, ++ (unsigned short)(dev->vlan_dev->vlan_id)); ++ } ++ else { ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": WARNING: Could not find dev\n"); ++#endif ++ return -EINVAL; ++ } ++}/* unregister vlan device */ ++ ++ ++/* ++ TODO: This for modules or something?? --BLG ++ ++ EXPORT_SYMBOL(register_802_1Q_vlan_device); ++ EXPORT_SYMBOL(unregister_802_1Q_vlan_device); ++ ++*/ ++ ++/* Attach a VLAN device to a mac address (ie Ethernet Card). ++ * Returns the device that was created, or NULL if there was ++ * an error of some kind. ++ */ ++struct device *register_802_1Q_vlan_device(const char* eth_IF_name, ++ unsigned short VLAN_ID) { ++ struct vlan_group* grp; ++ struct device *new_dev; ++ struct device *real_dev; /* the ethernet device */ ++ int malloc_size = 0; ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": if_name -:%s:- vid: %i\n", ++ eth_IF_name, VLAN_ID); ++#endif ++ ++ /* find the device relating to eth_IF_name. ++ * TODO: Make sure it's an ethernet device. */ ++ real_dev = dev_get(eth_IF_name); ++ ++ if (real_dev != NULL) { ++ /* printk(KERN_ALERT "Found real_dev"); */ ++ ++ if ((VLAN_ID > 0) && (VLAN_ID < 0xFFF)) { ++ ++ /* printk(KERN_ALERT "VID is in range"); */ ++ ++ if (find_802_1Q_vlan_dev(real_dev, VLAN_ID)) { ++ /* was already registered. */ ++ printk(VLAN_DBG __FUNCTION__ ": ALREADY had VLAN registered\n"); ++ return NULL; ++ } ++ ++ malloc_size = (sizeof(struct device)); ++ ++ new_dev = (struct device*) kmalloc(malloc_size, GFP_KERNEL); ++ VLAN_MEM_DBG("device malloc, addr: %p size: %i\n", new_dev, malloc_size); ++ ++ if (new_dev != NULL) { ++ /* printk(KERN_ALERT "Got a new device.."); */ ++ ++ memset(new_dev, 0, malloc_size); /* zero everything out */ ++ ++ /* set us up to not use a Qdisc, as the underlying Hardware device ++ * can do all the queueing we could want. ++ */ ++ new_dev->qdisc_sleeping = &noqueue_qdisc; ++ ++ /* Gotta set up the fields for the device. */ ++ new_dev->name = (char*)(kmalloc(IFNAMSIZ + 1, GFP_KERNEL)); ++ VLAN_MEM_DBG("new_dev->name malloc, addr: %p size: %i\n", new_dev->name, IFNAMSIZ + 1); ++ ++ if (new_dev->name) { ++ memset(new_dev->name, 0, IFNAMSIZ + 1); /* zero everything out */ ++ } ++ else { ++ kfree(new_dev); ++ VLAN_FMEM_DBG("new_dev free, addr: %p\n", new_dev); ++ return NULL; ++ } ++ ++ if (vlan_name_type == VLAN_NAME_TYPE_RAW_PLUS_VID) { ++ /* name will look like: eth1.0005 */ ++ sprintf(new_dev->name, "%s.%.4i", real_dev->name, VLAN_ID); ++ } ++ else if (vlan_name_type == VLAN_NAME_TYPE_PLUS_VID_NO_PAD) { ++ /* Put our vlan.VID in the name. Name will look like: vlan5 */ ++ sprintf(new_dev->name, "vlan%i", VLAN_ID); ++ } ++ else if (vlan_name_type == VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD) { ++ /* Put our vlan.VID in the name. Name will look like: eth0.5 */ ++ sprintf(new_dev->name, "%s.%i", real_dev->name, VLAN_ID); ++ } ++ else { /* (vlan_name_type == VLAN_NAME_TYPE_PLUS_VID) { */ ++ /* Put our vlan.VID in the name. Name will look like: vlan0005 */ ++ /* default case */ ++ sprintf(new_dev->name, "vlan%.4i", VLAN_ID); ++ } ++ ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG "Allocated new name -:%s:-\n", new_dev->name); ++#endif ++ /* set up method calls */ ++ new_dev->init = vlan_dev_init; ++ new_dev->destructor = vlan_dev_destruct; ++ ++ /* new_dev->ifindex = 0; it will be set when added to ++ * the global list. ++ * iflink is set as well. */ ++ ++ new_dev->get_stats = vlan_dev_get_stats; ++ ++ /* IFF_BROADCAST|IFF_MULTICAST; ??? */ ++ new_dev->flags = real_dev->flags; ++ new_dev->flags &= ~IFF_UP; ++ ++ /* need 4 bytes for extra VLAN header info, hope ++ * underlying device can handle it. */ ++ new_dev->mtu = real_dev->mtu; ++ ++ new_dev->type = real_dev->type; /* TODO: is this true? */ ++ ++ /* Regular ethernet + 4 bytes (18 total). */ ++ new_dev->hard_header_len = VLAN_ETH_HLEN; ++ ++ new_dev->priv = kmalloc(sizeof(struct net_device_stats), ++ GFP_KERNEL); ++ VLAN_MEM_DBG("new_dev->priv malloc, addr: %p size: %i\n", new_dev->priv, ++ sizeof(struct net_device_stats)); ++ ++ if (new_dev->priv) { ++ memset(new_dev->priv, 0, sizeof(struct net_device_stats)); ++ }//if ++ ++ memcpy(new_dev->broadcast, real_dev->broadcast, real_dev->addr_len); ++ memcpy(new_dev->dev_addr, real_dev->dev_addr, real_dev->addr_len); ++ new_dev->addr_len = real_dev->addr_len; ++ ++ new_dev->open = vlan_dev_open; ++ new_dev->stop = vlan_dev_stop; ++ new_dev->hard_header = vlan_dev_hard_header; ++ /*new_dev->hard_header_cache = vlan_header_cache;*/ ++ /*new_dev->header_cache_update = vlan_header_cache_update;*/ ++ new_dev->hard_start_xmit = vlan_dev_hard_start_xmit; ++ new_dev->rebuild_header = vlan_dev_rebuild_header; ++ new_dev->hard_header_parse = eth_header_parse; /* trivial. */ ++ new_dev->set_mac_address = vlan_dev_set_mac_address; ++ new_dev->set_multicast_list = vlan_dev_set_multicast_list; ++ ++ new_dev->vlan_dev = (struct vlan_dev_info*) kmalloc(sizeof(struct vlan_dev_info), ++ GFP_KERNEL); ++ VLAN_MEM_DBG("new_dev->vlan_dev malloc, addr: %p size: %i\n", new_dev->vlan_dev, ++ sizeof(struct vlan_dev_info)); ++ if (new_dev->vlan_dev == NULL) { ++ kfree(new_dev->priv); ++ VLAN_FMEM_DBG("new_dev->priv free, addr: %p\n", new_dev->priv); ++ kfree(new_dev->name); ++ VLAN_FMEM_DBG("new_dev->name free, addr: %p\n", new_dev->name); ++ kfree(new_dev); ++ VLAN_FMEM_DBG("new_dev free, addr: %p\n", new_dev); ++ return NULL; ++ } ++ else { ++ /* Initialize it. */ ++ memset(new_dev->vlan_dev, 0, sizeof(struct vlan_dev_info)); ++ ++ new_dev->vlan_dev->vlan_id = VLAN_ID; /* 1 through 0xFFF */ ++ /* TODO: have to be careful deleting real devices now. */ ++ new_dev->vlan_dev->real_dev = real_dev; ++ ++ memset(&(new_dev->vlan_dev->dent), 0, sizeof(struct proc_dir_entry)); ++ } ++ ++ /* So, got the sucker initialized, now lets place it into our local ++ * structure. ++ */ ++ ++ grp = vlan_find_group(real_dev->ifindex); ++ ++ /* When here, we have found the correct group, if it exists. */ ++ ++ if (!grp) { /* need to add a new group */ ++ /* printk(VLAN_DBG "VLAN REGISTER: " ++ "Need to add new vlan group.\n");*/ ++ ++ grp = kmalloc(sizeof(struct vlan_group), GFP_KERNEL); ++ VLAN_MEM_DBG("grp malloc, addr: %p size: %i\n", grp, sizeof(struct vlan_group)); ++ ++ if (grp) { ++ printk(KERN_ALERT "VLAN REGISTER: Allocated new group, idx: %i\n", ++ real_dev->ifindex); ++ memset(grp, 0, sizeof(struct vlan_group)); ++ grp->real_dev_ifindex = real_dev->ifindex; ++ grp->next = p802_1Q_vlan_list; ++ p802_1Q_vlan_list = grp; ++ } ++ else { ++ kfree(new_dev->name); ++ VLAN_FMEM_DBG("new_dev->name free, addr: %p\n", new_dev->name); ++ kfree(new_dev->priv); ++ VLAN_FMEM_DBG("new_dev->priv free, addr: %p\n", new_dev->priv); ++ kfree(new_dev); ++ VLAN_FMEM_DBG("new_dev free, addr: %p\n", new_dev); ++ return NULL; ++ } ++ }/* if */ ++ ++ grp->vlan_devices[VLAN_ID] = new_dev; ++ ++ /* Now, add it to the global list of devices. */ ++ /* printk(KERN_ALERT "Registering new device."); */ ++ register_netdevice(new_dev); ++ vlan_proc_add_dev(new_dev); /* create it's proc entry */ ++ MOD_INC_USE_COUNT; /* Add was a success!! */ ++ return new_dev; ++ } ++ }//if ++ }//if ++ ++ return NULL; ++}/* register (create) VLAN device */ +diff -Nurb linux/net/802_1Q/vlan.h linux.p/net/802_1Q/vlan.h +--- linux/net/802_1Q/vlan.h Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/vlan.h Mon Jun 4 16:18:27 2001 +@@ -0,0 +1,44 @@ ++#ifndef __BEN_VLAN_802_1Q_INC__ ++#define __BEN_VLAN_802_1Q_INC__ ++ ++#include <linux/if_vlan.h> ++ ++/* If this is undefined, the name will look like: vlan0005 */ ++/* #define USE_RAW_IN_NAME Use this one if you like it: eth.0005 */ ++ ++/* Uncomment this if you want debug traces to be shown. */ ++/* #define VLAN_DEBUG */ ++ ++#define VLAN_ERR KERN_ERR ++#define VLAN_INF KERN_ALERT ++#define VLAN_DBG KERN_DEBUG /* change these... to debug, having a hard time ++ * changing the log level at run-time..for some reason. ++ */ ++ ++/* ++ ++These I use for memory debugging. I feared a leak at one time, but ++I never found it..and the problem seems to have dissappeared. Still, ++I'll bet they might prove useful again... --Ben ++ ++#define VLAN_MEM_DBG(x, y, z) printk(VLAN_DBG __FUNCTION__ ": " x, y, z); ++#define VLAN_FMEM_DBG(x, y) printk(VLAN_DBG __FUNCTION__ ": " x, y); ++*/ ++ ++/* This way they don't do anything! */ ++#define VLAN_MEM_DBG(x, y, z) ++#define VLAN_FMEM_DBG(x, y) ++ ++ ++extern unsigned short vlan_name_type; ++extern unsigned long vlan_bad_proto_recvd; /* Counter for how many NON-VLAN protos we've received on a VLAN. */ ++ ++/* Add some headers for the public VLAN methods. */ ++int unregister_802_1Q_vlan_device(const char* vlan_IF_name); ++struct device *register_802_1Q_vlan_device(const char* eth_IF_name, ++ unsigned short VID); ++ ++void vlan_system_init(void); ++void vlan_proto_init(struct net_proto *pro); ++ ++#endif +diff -Nurb linux/net/802_1Q/vlan_dev.c linux.p/net/802_1Q/vlan_dev.c +--- linux/net/802_1Q/vlan_dev.c Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/vlan_dev.c Mon Jun 4 16:08:04 2001 +@@ -0,0 +1,765 @@ ++/* -*- linux-c -*- ++ * INET An implementation of the TCP/IP protocol suite for the LINUX ++ * operating system. INET is implemented using the BSD Socket ++ * interface as the means of communication with the user level. ++ * ++ * Ethernet-type device handling. ++ * ++ * Version: @(#)vlan_dev.c Started 3/29/99 ++ * ++ * Authors: Ben Greear <greearb@candelatech.com>, <greearb@agcs.com> ++ * ++ * Fixes: ++ * ++ * 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 ++ * 2 of the License, or (at your option) any later version. ++ */ ++ ++#include <asm/uaccess.h> /* for copy_from_user */ ++#include <linux/netdevice.h> ++#include <linux/skbuff.h> ++#include <net/datalink.h> ++#include <linux/mm.h> ++#include <linux/in.h> ++#include <linux/init.h> ++#include <net/p8022.h> ++#include <net/arp.h> ++#include "vlan.h" ++#include "vlanproc.h" ++#include <linux/if_vlan.h> ++#include <net/ip.h> ++#include <asm/checksum.h> ++ ++ ++struct net_device_stats* vlan_dev_get_stats(struct device* dev) { ++ return (struct net_device_stats*)(dev->priv); ++} ++ ++ ++/* ++ * Rebuild the Ethernet MAC header. This is called after an ARP ++ * (or in future other address resolution) has completed on this ++ * sk_buff. We now let ARP fill in the other fields. ++ * ++ * This routine CANNOT use cached dst->neigh! ++ * Really, it is used only when dst->neigh is wrong. ++ * ++ * TODO: This needs a checkup, I'm ignorant here. --BLG ++ */ ++int vlan_dev_rebuild_header(struct sk_buff *skb) { ++ ++ struct device *dev = skb->dev; ++ struct vlan_ethhdr *veth = (struct vlan_ethhdr*)(skb->data); ++ ++ switch (veth->h_vlan_encapsulated_proto) ++ { ++#ifdef CONFIG_INET ++ case __constant_htons(ETH_P_IP): ++ ++ /* TODO: Confirm this will work with VLAN headers... */ ++ return arp_find(veth->h_dest, skb); ++#endif ++ default: ++ printk(VLAN_DBG ++ "%s: unable to resolve type %X addresses.\n", ++ dev->name, (int)veth->h_vlan_encapsulated_proto); ++ ++ memcpy(veth->h_source, dev->dev_addr, ETH_ALEN); ++ break; ++ }/* switch */ ++ ++ return 0; ++}/* vlan_dev_rebuild_header */ ++ ++ ++ ++/* ++ * Determine the packet's protocol ID. The rule here is that we ++ * assume 802.3 if the type field is short enough to be a length. ++ * This is normal practice and works for any 'now in use' protocol. ++ * ++ * Also, at this point we assume that we ARE dealing exclusively with ++ * VLAN packets, or packets that should be made into VLAN packets based ++ * on a default VLAN ID. ++ * ++ * NOTE: Should be similar to ethernet/eth.c. ++ * ++ * SANITY NOTE: This method is called when a packet is moving up the stack ++ * towards userland. To get here, it would have already passed ++ * through the ethernet/eth.c eth_type_trans() method. ++ */ ++int vlan_dev_type_trans(struct sk_buff *skb, struct device *dev, ++ struct packet_type* ptype) { ++ unsigned char* rawp = NULL; ++ struct vlan_ethhdr *veth = (struct vlan_ethhdr*)(skb->mac.ethernet); ++ unsigned short vid = 0; ++ struct net_device_stats* stats; ++ ++ /* Do we have a VLAN packet? If not, then throw it away, after printing an error. ++ * ++ */ ++ if (veth->h_vlan_proto != __constant_htons(ETH_P_802_1Q)) { ++ printk(VLAN_INF __FUNCTION__ ": VLAN device received NON-VLAN protocol: %hx\n", htons(veth->h_vlan_proto)); ++ vlan_bad_proto_recvd++; ++ kfree_skb(skb); ++ return -EINVAL; ++ } ++ else { ++ vid = ((unsigned short)(ntohs(veth->h_vlan_TCI)) & 0xFFF); ++ } ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": skb: %p vlan_id: %hx dev: %s, encap_proto: %hx\n", ++ skb, vid, dev->name, veth->h_vlan_encapsulated_proto); ++#endif ++ ++ /* Ok, we will find the correct VLAN device, strip the header, ++ and then go on as usual. ++ */ ++ ++ /* we have 12 bits of vlan ID. */ ++ /* If it's NULL, we will tag the skb to be junked below */ ++ skb->dev = find_802_1Q_vlan_dev(dev, vid); ++ ++ if (!skb->dev) { ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": ERROR: No device for VID: %i on dev: %s [%i]\n", ++ (unsigned int)(vid), dev->name, dev->ifindex); ++#endif ++ kfree_skb(skb); ++ return -1; ++ } ++ ++ stats = (struct net_device_stats*)(skb->dev->priv); ++ ++ /* ++ * Deal with ingress priority mapping. ++ */ ++ skb->priority = skb->dev->vlan_dev->ingress_priority_map[(ntohs(veth->h_vlan_TCI) >> 13) & 0x7]; ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": priority: %lu for TCI: %hu (hbo) on vlan_dev: %s\n", ++ (unsigned long)(skb->priority), ntohs(veth->h_vlan_TCI), skb->dev->name); ++#endif ++ ++ /* Bump the rx counters for the VLAN device. */ ++ stats->rx_packets++; ++ stats->rx_bytes += skb->len; ++ ++ /* NOTE: The underlying device SHOULD NOT PULL THE MAC BYTES OFF. ++ (it doesn't seem to.) ++ */ ++ skb_pull(skb, VLAN_ETH_HLEN); /* take off the VLAN header */ ++ ++ ++ /* VLAN and regular Ethernet headers have the addresses in the same place. ++ * TODO: Add code to deal with VLAN control packets?? --BLG ++ * Is there such a thing?? ++ */ ++ if (*(veth->h_dest) & 1) { ++ stats->multicast++; ++ if (memcmp(veth->h_dest, dev->broadcast, ETH_ALEN) == 0) ++ skb->pkt_type = PACKET_BROADCAST; ++ else ++ skb->pkt_type = PACKET_MULTICAST; ++ } ++ ++ /* ++ * This ALLMULTI check should be redundant by 1.4 ++ * so don't forget to remove it. ++ * ++ * Seems, you forgot to remove it. All silly devices ++ * seems to set IFF_PROMISC. ++ */ ++ ++ else if (dev->flags & (IFF_PROMISC/*|IFF_ALLMULTI*/)) { ++ if (memcmp(veth->h_dest, dev->dev_addr, ETH_ALEN) != 0) ++ skb->pkt_type = PACKET_OTHERHOST; ++ } ++ ++ /* Was a VLAN packet, grab the encapsulated protocol, which the layer ++ * three protocols care about. ++ */ ++ if (ntohs(veth->h_vlan_encapsulated_proto) >= 1536) { ++ ++ skb->protocol = veth->h_vlan_encapsulated_proto; ++ /* place it back on the queue to be handled by true layer 3 protocols. ++ */ ++ ++ /* See if we are configured to re-write the VLAN header to make it look like ++ * ethernet... ++ */ ++ if (skb->dev->vlan_dev->flags & 1) { ++ /* Lifted from Gleb's VLAN code... */ ++ memmove(skb->data - (VLAN_ETH_HLEN - 4), skb->data - VLAN_ETH_HLEN, 12); ++ skb->mac.raw += 4; ++ } ++ netif_rx(skb); ++ return 0; ++ } ++ ++ rawp = skb->data; ++ ++ /* ++ * This is a magic hack to spot IPX packets. Older Novell breaks ++ * the protocol design and runs IPX over 802.3 without an 802.2 LLC ++ * layer. We look for FFFF which isn't a used 802.2 SSAP/DSAP. This ++ * won't work for fault tolerant netware but does for the rest. ++ */ ++ if (*(unsigned short *)rawp == 0xFFFF) { ++ skb->protocol = __constant_htons(ETH_P_802_3); ++ /* place it back on the queue to be handled by true layer 3 protocols. ++ */ ++ ++ /* See if we are configured to re-write the VLAN header to make it look like ++ * ethernet... ++ */ ++ if (skb->dev->vlan_dev->flags & 1) { ++ /* Lifted from Gleb's VLAN code... */ ++ memmove(skb->data - (VLAN_ETH_HLEN - 4), skb->data - VLAN_ETH_HLEN, 12); ++ skb->mac.raw += 4; ++ } ++ netif_rx(skb); ++ return 0; ++ } ++ ++ /* ++ * Real 802.2 LLC ++ */ ++ skb->protocol = __constant_htons(ETH_P_802_2); ++ /* place it back on the queue to be handled by upper layer protocols. ++ */ ++ ++ /* See if we are configured to re-write the VLAN header to make it look like ++ * ethernet... ++ */ ++ if (skb->dev->vlan_dev->flags & 1) { ++ /* Lifted from Gleb's VLAN code... */ ++ memmove(skb->data - (VLAN_ETH_HLEN - 4), skb->data - VLAN_ETH_HLEN, 12); ++ skb->mac.raw += 4; ++ } ++ netif_rx(skb); ++ return 0; ++} ++ ++ ++/* ++ * Create the Ethernet VLAN MAC header for an arbitrary protocol layer ++ * ++ * saddr=NULL means use device source address ++ * daddr=NULL means leave destination address (eg unresolved arp) ++ * ++ * This is called when the SKB is moving down the stack towards the ++ * physical devices. ++ */ ++int vlan_dev_hard_header(struct sk_buff *skb, struct device *dev, ++ unsigned short type, void *daddr, void *saddr, ++ unsigned len) { ++ struct vlan_ethhdr *veth; ++ unsigned short veth_TCI = 0; ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": skb: %p type: %hx len: %x vlan_id: %hx, daddr: %p\n", ++ skb, type, len, dev->vlan_dev->vlan_id, daddr); ++#endif ++ ++ veth = (struct vlan_ethhdr*)skb_push(skb, VLAN_ETH_HLEN); ++ ++ /* build the four bytes that make this a VLAN header. */ ++ ++ /* first, the ethernet type */ ++ veth->h_vlan_proto = __constant_htons(ETH_P_802_1Q); ++ ++ /* Now, construct the second two bytes. This field looks something ++ * like: ++ * usr_priority: 3 bits (high bits) ++ * CFI 1 bit ++ * VLAN ID 12 bits (low bits) ++ * ++ */ ++ veth_TCI = dev->vlan_dev->vlan_id; ++ veth_TCI |= vlan_dev_get_egress_qos_mask(dev, skb); ++ ++ veth->h_vlan_TCI = htons(veth_TCI); ++ ++ /* Rest should be the same as a normal header. */ ++ /* ++ * Set the protocol type. For a packet of type ETH_P_802_3 we put the length ++ * in here instead. It is up to the 802.2 layer to carry protocol information. ++ * ++ */ ++ ++ if (type != ETH_P_802_3) ++ veth->h_vlan_encapsulated_proto = htons(type); ++ else ++ veth->h_vlan_encapsulated_proto = htons(len); ++ ++ /* ++ * Set the source hardware address. ++ */ ++ ++ if (saddr) ++ memcpy(veth->h_source, saddr, ETH_ALEN); ++ else ++ memcpy(veth->h_source, dev->dev_addr, ETH_ALEN); ++ ++ /* ++ * Anyway, the loopback-device should never use this function... ++ * This is especially true with VLAN's. --BLG ++ */ ++ ++ if (dev->flags & (IFF_LOOPBACK | IFF_NOARP)) { ++ memset(veth->h_dest, 0, ETH_ALEN); ++ return (VLAN_ETH_HLEN); /* was: dev->hard_header_len */ ++ } ++ ++ if (daddr) { ++ memcpy(veth->h_dest, daddr, ETH_ALEN); ++ return (VLAN_ETH_HLEN); /* was: dev->hard_header_len */ ++ } ++ ++ return -(VLAN_ETH_HLEN); /* was: dev->hard_header_len */ ++ ++} /* vlan_hard_header, put on the VLAN hardware header */ ++ ++ ++int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct device *dev) { ++ struct net_device_stats* stats = (struct net_device_stats*)(dev->priv); ++ struct vlan_ethhdr *veth = (struct vlan_ethhdr*)(skb->data); ++ ++ /* Handle non-VLAN frames if they are sent to us, for example by DHCP. */ ++ if (veth->h_vlan_proto != __constant_htons(ETH_P_802_1Q)) { ++ /* This is not a VLAN frame...but we can fix that! */ ++ unsigned short veth_TCI = 0; ++ dev->vlan_dev->cnt_encap_on_xmit++; ++ ++ if (skb_headroom(skb) < 4) { ++ struct sk_buff* sk_tmp = skb; ++ skb = skb_realloc_headroom(sk_tmp, 4); ++ kfree_skb(sk_tmp); ++ if (skb == NULL) { ++ stats->tx_dropped++; ++ kfree_skb(sk_tmp); ++ return -ENOMEM; ++ } ++ dev->vlan_dev->cnt_inc_headroom_on_tx++; ++ } ++ else { ++ if( !(skb = skb_unshare(skb, GFP_ATOMIC)) ) { ++ printk(KERN_ERR "vlan: failed to unshare skbuff\n"); ++ stats->tx_dropped++; ++ return -ENOMEM; ++ } ++ } ++ veth = (struct vlan_ethhdr*)skb_push(skb, 4); ++ ++ /* Move the mac addresses to the beginning of the new header. */ ++ memmove(skb->data, skb->data + 4, 12); ++ ++ /* first, the ethernet type */ ++ veth->h_vlan_proto = __constant_htons(ETH_P_802_1Q); ++ ++ /* Now, construct the second two bytes. This field looks something ++ * like: ++ * usr_priority: 3 bits (high bits) ++ * CFI 1 bit ++ * VLAN ID 12 bits (low bits) ++ * ++ */ ++ veth_TCI = dev->vlan_dev->vlan_id; ++ veth_TCI |= vlan_dev_get_egress_qos_mask(dev, skb); ++ ++ veth->h_vlan_TCI = htons(veth_TCI); ++ }/* If we needed to encapsulate the frame */ ++ ++ skb->dev = dev->vlan_dev->real_dev; ++ ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": about to send skb: %p to dev: %s\n", skb, skb->dev->name); ++#endif ++ ++ dev_queue_xmit(skb); ++ stats->tx_packets++; /* for statics only */ ++ stats->tx_bytes += skb->len; ++ return 0; ++}/* vlan_dev_hard_start_xmit */ ++ ++ ++int vlan_dev_change_mtu(struct device *dev, int new_mtu) { ++ /* TODO: gotta make sure the underlying layer can handle it, ++ * maybe an IFF_VLAN_CAPABLE flag for devices? ++ */ ++ ++ dev->mtu = new_mtu; ++ return new_mtu; ++} ++ ++int vlan_dev_open(struct device* dev) { ++ dev->flags |= IFF_UP; ++ return 0; ++} ++ ++int vlan_dev_stop(struct device* dev) { ++ dev->flags &= ~IFF_UP; ++ return 0; ++} ++ ++int vlan_dev_init(struct device* dev) { ++ /* TODO: figure this out, maybe do nothing?? */ ++ return 0; ++} ++ ++void vlan_dev_destruct(struct device* dev) { ++ kfree(dev->name); ++ VLAN_FMEM_DBG("dev->name free, addr: %p\n", dev->name); ++ dev->name = NULL; /* better safe than hosed */ ++ ++ kfree(dev->priv); ++ VLAN_FMEM_DBG("dev->priv free, addr: %p\n", dev->priv); ++ dev->priv = NULL; ++ ++ kfree(dev->vlan_dev); ++ VLAN_FMEM_DBG("dev->vlan_dev free, addr: %p\n", dev->vlan_dev); ++ dev->vlan_dev = NULL; ++ ++ kfree(dev); ++ VLAN_FMEM_DBG("device free, addr: %p\n", dev); ++ dev = NULL; ++ ++ return; ++} ++ ++ ++/* TODO: Not to sure if the VLAN stuff works here. Need to understand ++ * this better. --BLG ++ */ ++/* ++int vlan_dev_header_cache(struct neighbour *neigh, struct hh_cache *hh) { ++ unsigned short type = hh->hh_type; ++ struct vlan_ethhdr *veth = (struct vlan_ethhdr*)(((u8*)hh->hh_data) + 2); ++ struct device *dev = neigh->dev; ++ ++ if (type == __constant_htons(ETH_P_802_3)) { ++ return -1; ++ } ++ ++ veth->h_vlan_proto = __constant_htons(ETH_P_802_1Q); ++ memcpy(veth->h_source, dev->dev_addr, ETH_ALEN); ++ memcpy(veth->h_dest, neigh->ha, ETH_ALEN); ++ ++ * VLAN specific attributes. * ++ veth->h_vlan_TCI = htons(dev->VLAN_id); * TODO: Add priority control (high 3 bits.) * ++ veth->h_vlan_encapsulated_proto = type; * should already be in network order * ++ ++ return 0; ++} ++*/ ++ ++/* ++ * Called by Address Resolution module to notify changes in address. ++ */ ++/* ++void vlan_dev_header_cache_update(struct hh_cache *hh, struct device *dev, ++ unsigned char * haddr) { ++ memcpy(((u8*)hh->hh_data) + 2, haddr, VLAN_ETH_HLEN); ++} ++*/ ++ ++#ifndef CONFIG_IP_ROUTER ++ ++/* ++ * Copy from an ethernet device memory space to an sk_buff while ++ * checksumming if IP ++ * ++ * TODO: Find out who calls this: This was lifted from eth.c, and ++ * was called eth_copy_and_sum. --BLG ++ */ ++ ++void vlan_dev_copy_and_sum(struct sk_buff *dest, unsigned char *src, ++ int length, int base) { ++ struct vlan_ethhdr* veth; ++ struct iphdr *iph; ++ int ip_length; ++ ++ veth = (struct vlan_ethhdr*)(src); ++ ++ /* This grabs the VLAN part of the header too. */ ++ if (veth->h_vlan_encapsulated_proto != __constant_htons(ETH_P_IP)) { ++ memcpy(dest->data, src, length); ++ return; ++ } ++ ++ /* ++ * We have to watch for padded packets. The csum doesn't include the ++ * padding, and there is no point in copying the padding anyway. ++ * We have to use the smaller of length and ip_length because it ++ * can happen that ip_length > length. ++ */ ++ ++ /* ethernet is always >= 34 */ ++ memcpy(dest->data, src, sizeof(struct iphdr) + VLAN_ETH_HLEN); ++ ++ length -= sizeof(struct iphdr) + VLAN_ETH_HLEN; ++ iph = (struct iphdr*)(src + VLAN_ETH_HLEN); ++ ip_length = ntohs(iph->tot_len) - sizeof(struct iphdr); ++ ++ /* Also watch out for bogons - min IP size is 8 (rfc-1042) */ ++ if ((ip_length <= length) && (ip_length > 7)) ++ length=ip_length; ++ ++ dest->csum = csum_partial_copy(src + sizeof(struct iphdr) + VLAN_ETH_HLEN, ++ dest->data + sizeof(struct iphdr) + VLAN_ETH_HLEN, ++ length, base); ++ dest->ip_summed=1; ++ ++} /* vlan_copy_and_sum */ ++ ++#endif //! CONFIG_IP_ROUTER ++ ++ ++int vlan_dev_set_ingress_priority(char* dev_name, __u32 skb_prio, short vlan_prio) { ++ struct device* dev = dev_get(dev_name); ++ ++ if (dev) { ++ if (dev->vlan_dev) { /* can't put a dflt ID on a vlan device */ ++ /* see if a priority mapping exists.. */ ++ dev->vlan_dev->ingress_priority_map[vlan_prio & 0x7] = skb_prio; ++ return 0; ++ } ++ } ++ return -EINVAL; ++} ++ ++int vlan_dev_set_egress_priority(char* dev_name, __u32 skb_prio, short vlan_prio) { ++ struct device* dev = dev_get(dev_name); ++ struct vlan_priority_tci_mapping* mp = NULL; ++ struct vlan_priority_tci_mapping* np; ++ ++ if (dev) { ++ if (dev->vlan_dev) { /* can't put a dflt ID on a vlan device */ ++ /* see if a priority mapping exists.. */ ++ mp = dev->vlan_dev->egress_priority_map[skb_prio & 0xF]; ++ while (mp) { ++ if (mp->priority == skb_prio) { ++ mp->vlan_qos = ((vlan_prio << 13) & 0xE000); ++ return 0; ++ } ++ } ++ /* create a new mapping then. */ ++ mp = dev->vlan_dev->egress_priority_map[skb_prio & 0xF]; ++ np = kmalloc(sizeof(struct vlan_priority_tci_mapping), GFP_KERNEL); ++ if (np) { ++ np->next = mp; ++ np->priority = skb_prio; ++ np->vlan_qos = ((vlan_prio << 13) & 0xE000); ++ dev->vlan_dev->egress_priority_map[skb_prio & 0xF] = np; ++ return 0; ++ } ++ else { ++ return -ENOBUFS; ++ } ++ } ++ } ++ return -EINVAL; ++} ++ ++/* Flags are defined in the vlan_dev_info class in include/linux/if_vlan.h file. */ ++int vlan_dev_set_vlan_flag(char* dev_name, __u32 flag, short flag_val) { ++ struct device* dev = dev_get(dev_name); ++ ++ if (dev) { ++ if (dev->vlan_dev) { ++ /* verify flag is supported */ ++ if (flag == 1) { ++ if (flag_val) { ++ dev->vlan_dev->flags |= 1; ++ } ++ else { ++ dev->vlan_dev->flags &= ~1; ++ } ++ return 0; ++ } ++ else { ++ return -EINVAL; ++ } ++ }/* if it's a vlan device */ ++ }/* if we found the device */ ++ return -EINVAL; ++} ++ ++ ++int vlan_dev_set_mac_address(struct device *dev, void* addr_struct_p) { ++ int i; ++ struct sockaddr *addr = (struct sockaddr*)(addr_struct_p); ++ ++ if (dev->start) { ++ return -EBUSY; ++ } ++ ++ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); ++ ++ printk("%s: Setting MAC address to ", dev->name); ++ for (i = 0; i < 6; i++) { ++ printk(" %2.2x", dev->dev_addr[i]); ++ } ++ printk(".\n"); ++ ++ if (memcmp(dev->vlan_dev->real_dev->dev_addr, dev->dev_addr, dev->addr_len) != 0) { ++ if (dev->vlan_dev->real_dev->flags & IFF_PROMISC) { ++ /* Already promiscious...leave it alone. */ ++ printk("VLAN (%s): Good, underlying device (%s) is already promiscious.\n", ++ dev->name, dev->vlan_dev->real_dev->name); ++ } ++ else { ++ int flgs = dev->vlan_dev->real_dev->flags; ++ printk("VLAN (%s): Setting underlying device (%s) to promiscious mode.\n", ++ dev->name, dev->vlan_dev->real_dev->name); ++ flgs |= IFF_PROMISC; ++ dev_change_flags(dev->vlan_dev->real_dev, flgs); ++ /* This should work, but doesn't: ++ dev_set_promiscuity(dev->vlan_dev->real_dev, 1); ++ */ ++ } ++ } ++ else { ++ printk("VLAN (%s): Underlying device (%s) has same MAC, not checking promiscious mode.\n", ++ dev->name, dev->vlan_dev->real_dev->name); ++ } ++ return 0; ++} ++ ++ ++/** Taken from Gleb + Lennert's VLAN code, and modified... */ ++void vlan_dev_set_multicast_list(struct device *vlan_dev) { ++ struct dev_mc_list *dmi; ++ struct device *real_dev; ++ int inc; ++ ++ if (vlan_dev && vlan_dev->vlan_dev) { ++ /* Then it's a real vlan device, as far as we can tell.. */ ++ real_dev = vlan_dev->vlan_dev->real_dev; ++ ++ /* compare the current promiscuity to the last promisc we had.. */ ++ inc = vlan_dev->promiscuity - vlan_dev->vlan_dev->old_promiscuity; ++ ++ if (inc) { ++ printk(KERN_INFO "vlan: dev_set_promiscuity(master, %d)\n", inc); ++ dev_set_promiscuity(real_dev, inc); /* found in dev.c */ ++ vlan_dev->vlan_dev->old_promiscuity = vlan_dev->promiscuity; ++ } ++ ++ inc = vlan_dev->allmulti - vlan_dev->vlan_dev->old_allmulti; ++ ++ if (inc) { ++ printk(KERN_INFO "vlan: dev_set_allmulti(master, %d)\n", inc); ++ dev_set_allmulti(real_dev, inc); /* dev.c */ ++ vlan_dev->vlan_dev->old_allmulti = vlan_dev->allmulti; ++ } ++ ++ /* looking for addresses to add to master's list */ ++ for (dmi = vlan_dev->mc_list; dmi!=NULL; dmi=dmi->next) { ++ if (vlan_should_add_mc(dmi, vlan_dev->vlan_dev->old_mc_list)) { ++ dev_mc_add(real_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0); ++ printk(KERN_INFO "vlan: add %.2x:%.2x:%.2x:%.2x:%.2x:%.2x mcast address to master interface\n", ++ dmi->dmi_addr[0], ++ dmi->dmi_addr[1], ++ dmi->dmi_addr[2], ++ dmi->dmi_addr[3], ++ dmi->dmi_addr[4], ++ dmi->dmi_addr[5]); ++ } ++ } ++ ++ /* looking for addresses to delete from master's list */ ++ for (dmi = vlan_dev->mc_list; dmi!=NULL; dmi=dmi->next) { ++ if (vlan_should_add_mc(dmi, vlan_dev->mc_list)) { ++ /* if we think we should add it to the new list, then we should really ++ * delete it from the real list on the underlying device. ++ */ ++ dev_mc_delete(real_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0); ++ printk(KERN_INFO "vlan: del %.2x:%.2x:%.2x:%.2x:%.2x:%.2x mcast address from master interface\n", ++ dmi->dmi_addr[0], ++ dmi->dmi_addr[1], ++ dmi->dmi_addr[2], ++ dmi->dmi_addr[3], ++ dmi->dmi_addr[4], ++ dmi->dmi_addr[5]); ++ } ++ } ++ ++ /* save multicast list */ ++ vlan_copy_mc_list(vlan_dev->mc_list, vlan_dev->vlan_dev); ++ }/* if we were sent a valid device */ ++}/* vlan_dev_set_multicast */ ++ ++ ++/** dmi is a single entry into a dev_mc_list, a single node. mc_list is ++ * an entire list, and we'll iterate through it. ++ */ ++int vlan_should_add_mc(struct dev_mc_list *dmi, struct dev_mc_list *mc_list) { ++ struct dev_mc_list *idmi; /* iterator */ ++ ++ for (idmi=mc_list; idmi!=NULL;) { ++ if (vlan_dmi_equals(dmi, idmi)) { ++ if (dmi->dmi_users > idmi->dmi_users) ++ return 1; ++ else ++ return 0; ++ } ++ else { ++ idmi = idmi->next; ++ } ++ } ++ ++ return 1; ++} ++ ++ ++void vlan_copy_mc_list(struct dev_mc_list *mc_list, struct vlan_dev_info *vlan_info) { ++ struct dev_mc_list *dmi, *new_dmi; ++ ++ vlan_destroy_mc_list(vlan_info->old_mc_list); ++ vlan_info->old_mc_list = NULL; ++ ++ for (dmi=mc_list; dmi!=NULL; dmi=dmi->next) { ++ new_dmi = kmalloc(sizeof(*new_dmi), GFP_KERNEL); ++ if (new_dmi == NULL) { ++ printk(KERN_ERR "vlan: cannot allocate memory. Multicast may not work properly from now.\n"); ++ return; ++ } ++ ++ new_dmi->next = vlan_info->old_mc_list; ++ vlan_info->old_mc_list = new_dmi; ++ ++ new_dmi->dmi_addrlen = dmi->dmi_addrlen; ++ memcpy(new_dmi->dmi_addr, dmi->dmi_addr, dmi->dmi_addrlen); ++ new_dmi->dmi_users = dmi->dmi_users; ++ new_dmi->dmi_gusers = dmi->dmi_gusers; ++ } ++} ++ ++void vlan_flush_mc_list(struct device *dev) { ++ struct dev_mc_list *dmi = dev->mc_list; ++ ++ while (dmi) { ++ dev_mc_delete(dev, dmi->dmi_addr, dmi->dmi_addrlen, 0); ++ printk(KERN_INFO "vlan: del %.2x:%.2x:%.2x:%.2x:%.2x:%.2x mcast address from master interface\n", ++ dmi->dmi_addr[0], ++ dmi->dmi_addr[1], ++ dmi->dmi_addr[2], ++ dmi->dmi_addr[3], ++ dmi->dmi_addr[4], ++ dmi->dmi_addr[5]); ++ dmi = dev->mc_list; ++ } ++ ++ vlan_destroy_mc_list(dev->mc_list); ++ if (dev->vlan_dev) { ++ vlan_destroy_mc_list(dev->vlan_dev->old_mc_list); ++ dev->vlan_dev->old_mc_list = NULL; ++ } ++ dev->mc_list = NULL; ++}/* vlan_flush_mc_list */ +diff -Nurb linux/net/802_1Q/vlanproc.c linux.p/net/802_1Q/vlanproc.c +--- linux/net/802_1Q/vlanproc.c Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/vlanproc.c Mon Jun 4 16:08:04 2001 +@@ -0,0 +1,654 @@ ++/* * -*- linux-c -*- */ ++/***************************************************************************** ++ * vlanproc.c VLAN Module. /proc filesystem interface. ++ * ++ * Author: Ben Greear, <greearb@candelatech.com> coppied from wanproc.c ++ * by: Gene Kozin <genek@compuserve.com> ++ * ++ * Copyright: (c) 1998-2000 Ben Greear ++ * ++ * 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 ++ * 2 of the License, or (at your option) any later version. ++ * ============================================================================ ++ * Jan 20, 1998 Ben Greear Initial Version ++ *****************************************************************************/ ++ ++#include <linux/config.h> ++#include <linux/stddef.h> /* offsetof(), etc. */ ++#include <linux/errno.h> /* return codes */ ++#include <linux/kernel.h> ++#include <linux/malloc.h> /* kmalloc(), kfree() */ ++#include <linux/mm.h> /* verify_area(), etc. */ ++#include <linux/string.h> /* inline mem*, str* functions */ ++#include <linux/init.h> /* __initfunc et al. */ ++#include <asm/segment.h> /* kernel <-> user copy */ ++#include <asm/byteorder.h> /* htons(), etc. */ ++#include <asm/uaccess.h> /* copy_to_user */ ++#include <asm/io.h> ++#include <linux/proc_fs.h> ++#include <linux/fs.h> ++#include <linux/netdevice.h> ++#include <linux/if_vlan.h> ++#include "vlanproc.h" ++#include "vlan.h" ++ ++/****** Defines and Macros **************************************************/ ++ ++#ifndef min ++#define min(a,b) (((a)<(b))?(a):(b)) ++#endif ++#ifndef max ++#define max(a,b) (((a)>(b))?(a):(b)) ++#endif ++ ++ ++/****** Function Prototypes *************************************************/ ++ ++#ifdef CONFIG_PROC_FS ++ ++/* Proc filesystem interface */ ++static int vlan_proc_perms(struct inode *, int); ++static ssize_t vlan_proc_read(struct file* file, char* buf, size_t count, ++ loff_t *ppos); ++ ++/* Methods for preparing data for reading proc entries */ ++ ++static int vlan_config_get_info(char* buf, char** start, off_t offs, int len, ++ int dummy); ++static int vlandev_get_info(char* buf, char** start, off_t offs, int len, ++ int dummy); ++ ++ ++/* Miscellaneous */ ++ ++/* ++ * Global Data ++ */ ++ ++/* ++ * Names of the proc directory entries ++ */ ++ ++static char name_root[] = "vlan"; ++static char name_conf[] = "config"; ++static char term_msg[] = "***KERNEL: Out of buffer space!***\n"; ++ ++ ++/* ++ * VLAN device IOCTL. ++ * o execute requested action or pass command to the device driver ++ */ ++ ++int vlan_ioctl(struct inode* inode, struct file* file, ++ unsigned int cmd, unsigned long arg) { ++ int err = 0; ++ /* ++ struct proc_dir_entry* dent; ++ struct device* dev; ++ */ ++ struct vlan_ioctl_args args; ++ ++ printk(VLAN_DBG __FUNCTION__ ": cmd: %x\n", cmd); ++ ++ /* everything here needs root permissions, except aguably the ++ * hack ioctls for sending packets. However, I know _I_ don't ++ * want users running that on my network! --BLG ++ */ ++ if (!capable(CAP_NET_ADMIN)){ ++ return -EPERM; ++ } ++ ++ if ((cmd >> 8) != VLAN_IOCTL) { ++ printk(VLAN_DBG __FUNCTION__ ": Not a VLAN IOCTL: %x \n", cmd); ++ return -EINVAL; ++ } ++ ++ if (copy_from_user(&args, (void*)arg, sizeof(struct vlan_ioctl_args))) ++ return -EFAULT; ++ ++ /* Null terminate this sucker, just in case. */ ++ args.dev1[23] = 0; ++ args.u.dev2[23] = 0; ++ ++ /* ++ dent = inode->u.generic_ip; ++ if ((dent == NULL) || (dent->data == NULL)) ++ return -EINVAL; ++ ++ dev = dent->data; ++ */ ++ ++ switch (cmd) ++ { ++ case SET_INGRESS_PRIORITY_IOCTL: ++ err = vlan_dev_set_ingress_priority(args.dev1, args.u.skb_priority, args.vlan_qos); ++ break; ++ ++ case SET_EGRESS_PRIORITY_IOCTL: ++ err = vlan_dev_set_egress_priority(args.dev1, args.u.skb_priority, args.vlan_qos); ++ break; ++ ++ case SET_VLAN_FLAG_IOCTL: ++ err = vlan_dev_set_vlan_flag(args.dev1, args.u.flag, args.vlan_qos); ++ break; ++ ++ case SET_NAME_TYPE_IOCTL: ++ if ((args.u.name_type >= 0) && (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) { ++ vlan_name_type = args.u.name_type; ++ err = 0; ++ } ++ else { ++ err = -EINVAL; ++ } ++ break; ++ ++ /* TODO: Figure out how to pass info back... ++ case GET_INGRESS_PRIORITY_IOCTL: ++ err = vlan_dev_get_ingress_priority(args); ++ break; ++ ++ case GET_EGRESS_PRIORITY_IOCTL: ++ err = vlan_dev_get_egress_priority(args); ++ break; ++ */ ++ ++ case ADD_VLAN_IOCTL: ++ /* we have been given the name of the Ethernet Device we want to ++ * talk to: args.dev1 We also have the ++ * VLAN ID: args.u.VID ++ */ ++ if (register_802_1Q_vlan_device(args.dev1, args.u.VID)) { ++ err = 0; ++ } ++ else { ++ err = -EINVAL; ++ } ++ break; ++ ++ case DEL_VLAN_IOCTL: ++ /* Here, the args.dev1 is the actual VLAN we want to get rid of. */ ++ ++ err = unregister_802_1Q_vlan_device(args.dev1); ++ break; ++ ++ default: ++ /* pass on to underlying device instead?? */ ++ printk(VLAN_DBG __FUNCTION__ ": Unknown VLAN IOCTL: %x \n", cmd); ++ return -EINVAL; ++ }/* switch */ ++ return err; ++} ++ ++/* ++ * Structures for interfacing with the /proc filesystem. ++ * VLAN creates its own directory /proc/net/vlan with the folowing ++ * entries: ++ * config device status/configuration ++ * <device> entry for each device ++ */ ++ ++/* ++ * Generic /proc/net/vlan/<file> file and inode operations ++ */ ++ ++static struct file_operations vlan_fops = { ++ NULL, /* lseek */ ++ vlan_proc_read, /* read */ ++ NULL, /* write */ ++ NULL, /* readdir */ ++ NULL, /* select */ ++ vlan_ioctl, /* ioctl */ ++ NULL, /* mmap */ ++ NULL, /* no special open code */ ++ NULL, /* flush */ ++ NULL, /* no special release code */ ++ NULL /* can't fsync */ ++}; ++ ++static struct inode_operations vlan_inode = { ++ &vlan_fops, ++ NULL, /* create */ ++ NULL, /* lookup */ ++ NULL, /* link */ ++ NULL, /* unlink */ ++ NULL, /* symlink */ ++ NULL, /* mkdir */ ++ NULL, /* rmdir */ ++ NULL, /* mknod */ ++ NULL, /* rename */ ++ NULL, /* follow link */ ++ NULL, /* readlink */ ++ NULL, /* readpage */ ++ NULL, /* writepage */ ++ NULL, /* bmap */ ++ NULL, /* truncate */ ++ vlan_proc_perms ++}; ++ ++/* ++ * /proc/net/vlan/<device> file and inode operations ++ */ ++ ++static struct file_operations vlandev_fops = { ++ NULL, /* lseek */ ++ vlan_proc_read, /* read */ ++ NULL, /* write */ ++ NULL, /* readdir */ ++ NULL, /* select */ ++ vlan_ioctl, /* ioctl */ ++ NULL, /* mmap */ ++ NULL, /* no special open code */ ++ NULL, /* flush */ ++ NULL, /* no special release code */ ++ NULL /* can't fsync */ ++}; ++ ++static struct inode_operations vlandev_inode = { ++ &vlandev_fops, ++ NULL, /* create */ ++ NULL, /* lookup */ ++ NULL, /* link */ ++ NULL, /* unlink */ ++ NULL, /* symlink */ ++ NULL, /* mkdir */ ++ NULL, /* rmdir */ ++ NULL, /* mknod */ ++ NULL, /* rename */ ++ NULL, /* readlink */ ++ NULL, /* follow_link */ ++ NULL, /* readpage */ ++ NULL, /* writepage */ ++ NULL, /* bmap */ ++ NULL, /* truncate */ ++ vlan_proc_perms ++}; ++ ++ ++/* ++ * Proc filesystem derectory entries. ++ */ ++ ++/* ++ * /proc/net/vlan ++ */ ++ ++static struct proc_dir_entry proc_vlan = { ++ 0, /* .low_ino */ ++ sizeof(name_root) - 1, /* .namelen */ ++ name_root, /* .name */ ++ 0555 | S_IFDIR, /* .mode */ ++ 2, /* .nlink */ ++ 0, /* .uid */ ++ 0, /* .gid */ ++ 0, /* .size */ ++ &proc_dir_inode_operations, /* .ops */ ++ NULL, /* .get_info */ ++ NULL, /* .fill_node */ ++ NULL, /* .next */ ++ NULL, /* .parent */ ++ NULL, /* .subdir */ ++ NULL, /* .data */ ++}; ++ ++/* ++ * /proc/net/vlan/config ++ */ ++ ++static struct proc_dir_entry proc_vlan_conf = { ++ 0, /* .low_ino */ ++ sizeof(name_conf) - 1, /* .namelen */ ++ name_conf, /* .name */ ++ 0444 | S_IFREG, /* .mode */ ++ 1, /* .nlink */ ++ 0, /* .uid */ ++ 0, /* .gid */ ++ 0, /* .size */ ++ &vlan_inode, /* .ops */ ++ &vlan_config_get_info, /* .get_info */ ++ NULL, /* .fill_node */ ++ NULL, /* .next */ ++ NULL, /* .parent */ ++ NULL, /* .subdir */ ++ NULL, /* .data */ ++}; ++ ++ ++/* Strings */ ++static char conf_hdr[] = "VLAN Dev name | VLAN ID\n"; ++ ++ ++/* ++ * Interface functions ++ */ ++ ++/* ++ * Initialize vlan proc interface. ++ */ ++ ++__initfunc(int vlan_proc_init (void)) { ++ int err = proc_register(proc_net, &proc_vlan); ++ ++ if (!err) { ++ proc_register(&proc_vlan, &proc_vlan_conf); ++ } ++ return err; ++} ++ ++/* ++ * Clean up router proc interface. ++ */ ++ ++void vlan_proc_cleanup (void) { ++ proc_unregister(&proc_vlan, proc_vlan_conf.low_ino); ++ proc_unregister(proc_net, proc_vlan.low_ino); ++} ++ ++ ++/* ++ * Add directory entry for VLAN device. ++ */ ++ ++int vlan_proc_add_dev (struct device* vlandev) { ++ if (!vlandev->vlan_dev) { ++ printk(KERN_ERR "ERROR: vlan_proc_add, device -:%s:- is NOT a VLAN\n", ++ vlandev->name); ++ return -EINVAL; ++ } ++ ++ memset(&(vlandev->vlan_dev->dent), 0, sizeof(vlandev->vlan_dev->dent)); ++ vlandev->vlan_dev->dent.namelen = strlen(vlandev->name); ++ vlandev->vlan_dev->dent.name = vlandev->name; ++ vlandev->vlan_dev->dent.mode = 0444 | S_IFREG; ++ vlandev->vlan_dev->dent.nlink = 1; ++ vlandev->vlan_dev->dent.ops = &vlandev_inode; ++ vlandev->vlan_dev->dent.get_info = &vlandev_get_info; ++ vlandev->vlan_dev->dent.data = vlandev; ++ ++#ifdef VLAN_DEBUG ++ printk(KERN_ERR "vlan_proc_add, device -:%s:- being added.\n", ++ vlandev->name); ++#endif ++ ++ return proc_register(&proc_vlan, &vlandev->vlan_dev->dent); ++} ++ ++ ++ ++/* ++ * Delete directory entry for VLAN device. ++ */ ++int vlan_proc_rem_dev(struct device* vlandev) { ++ if (!vlandev || !vlandev->vlan_dev) { ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": invalid argument: %p\n", vlandev); ++#endif ++ return -EINVAL; ++ } ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": calling proc_unregister for dev: %p\n", ++ vlandev); ++#endif ++ return proc_unregister(&proc_vlan, vlandev->vlan_dev->dent.low_ino); ++} ++ ++ ++/****** Proc filesystem entry points ****************************************/ ++ ++/* ++ * Verify access rights. ++ */ ++ ++static int vlan_proc_perms (struct inode* inode, int op) { ++ return 0; ++} ++ ++/* ++ * Read VLAN proc directory entry. ++ * This is universal routine for reading all entries in /proc/net/vlan ++ * directory. Each directory entry contains a pointer to the 'method' for ++ * preparing data for that entry. ++ * o verify arguments ++ * o allocate kernel buffer ++ * o call get_info() to prepare data ++ * o copy data to user space ++ * o release kernel buffer ++ * ++ * Return: number of bytes copied to user space (0, if no data) ++ * <0 error ++ */ ++static ssize_t vlan_proc_read(struct file* file, char* buf, size_t count, ++ loff_t *ppos) { ++ struct inode *inode = file->f_dentry->d_inode; ++ struct proc_dir_entry* dent; ++ char* page; ++ int pos, offs, len; ++ ++ if (count <= 0) ++ return 0; ++ ++ dent = inode->u.generic_ip; ++ if ((dent == NULL) || (dent->get_info == NULL)) ++ return 0; ++ ++ page = kmalloc(VLAN_PROC_BUFSZ, GFP_KERNEL); ++ VLAN_MEM_DBG("page malloc, addr: %p size: %i\n", page, VLAN_PROC_BUFSZ); ++ ++ if (page == NULL) ++ return -ENOBUFS; ++ ++ pos = dent->get_info(page, dent->data, 0, 0, 0); ++ offs = file->f_pos; ++ if (offs < pos) { ++ len = min(pos - offs, count); ++ if (copy_to_user(buf, (page + offs), len)) { ++ return -EFAULT; ++ } ++ file->f_pos += len; ++ } ++ else { ++ len = 0; ++ } ++ ++ kfree(page); ++ VLAN_FMEM_DBG("page free, addr: %p\n", page); ++ return len; ++}/* vlan_proc_read */ ++ ++ ++static int vlan_proc_get_vlan_info(char* buf, unsigned int cnt) { ++ struct device* vlandev = NULL; ++ struct vlan_group* grp = NULL; ++ int i = 0; ++ char* nm_type = NULL; ++ ++ printk(VLAN_DBG __FUNCTION__ ": cnt == %i\n", cnt); ++ ++ if (vlan_name_type == VLAN_NAME_TYPE_RAW_PLUS_VID) { ++ nm_type = "VLAN_NAME_TYPE_RAW_PLUS_VID"; ++ } ++ else if (vlan_name_type == VLAN_NAME_TYPE_PLUS_VID_NO_PAD) { ++ nm_type = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD"; ++ } ++ else if (vlan_name_type == VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD) { ++ nm_type = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD"; ++ } ++ else if (vlan_name_type == VLAN_NAME_TYPE_PLUS_VID) { ++ nm_type = "VLAN_NAME_TYPE_PLUS_VID"; ++ } ++ else { ++ nm_type = "UNKNOWN"; ++ } ++ ++ cnt += sprintf(buf + cnt, "Name-Type: %s bad_proto_recvd: %lu\n", ++ nm_type, vlan_bad_proto_recvd); ++ ++ for (grp = p802_1Q_vlan_list; grp != NULL; grp = grp->next) { ++ /* loop through all devices for this device */ ++ printk(VLAN_DBG __FUNCTION__ ": found a group, addr: %p\n", grp); ++ for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { ++ /* printk(VLAN_DBG __FUNCTION__ ": checking index[%i]\n", i); */ ++ if ((vlandev = grp->vlan_devices[i])) { ++ printk(VLAN_DBG __FUNCTION__ ": found a vlan_dev, addr: %p\n", vlandev); ++ if ((cnt + 100) > VLAN_PROC_BUFSZ) { ++ if ((cnt + strlen(term_msg)) >= VLAN_PROC_BUFSZ) { ++ /* should never get here */ ++ return cnt; ++ } ++ else { ++ cnt += sprintf(buf + cnt, "%s", term_msg); ++ return cnt; ++ } ++ }/* if running out of buffer space */ ++ else { ++ if (!vlandev->vlan_dev) { ++ printk(KERN_ERR __FUNCTION__ ": ERROR: vlandev->vlan_dev is NULL\n"); ++ } ++ else { ++ printk(VLAN_DBG __FUNCTION__ ": got a good vlandev, addr: %p\n", vlandev->vlan_dev); ++ cnt += sprintf(buf + cnt, "%-15s| %d | %s\n", ++ vlandev->name, vlandev->vlan_dev->vlan_id, vlandev->vlan_dev->real_dev->name); ++ }/* else */ ++ }/* else */ ++ }/* if we have a vlan of this number */ ++ }/* for all VLAN's */ ++ }/* for each vlan group, default is only one.*/ ++ ++ return cnt; ++}/* vlan_proc_get_vlan_info */ ++ ++/* ++ * Prepare data for reading 'Config' entry. ++ * Return length of data. ++ */ ++ ++static int vlan_config_get_info(char* buf, char** start, off_t offs, int len, ++ int dummy) { ++ strcpy(buf, conf_hdr); ++ return vlan_proc_get_vlan_info(buf, (unsigned int)(strlen(conf_hdr))); ++} ++ ++ ++/* ++ * Prepare data for reading <device> entry. ++ * Return length of data. ++ * ++ * On entry, the 'start' argument will contain a pointer to VLAN device ++ * data space. ++ */ ++ ++static int vlandev_get_info(char* buf, char** start, off_t offs, int len, ++ int dummy) { ++ struct device* vlandev = (void*)start; ++ struct net_device_stats* stats; ++ int cnt = 0; ++ struct vlan_priority_tci_mapping* mp; ++ int i; ++ ++#ifdef VLAN_DEBUG ++ printk(VLAN_DBG __FUNCTION__ ": vlandev: %p\n", vlandev); ++#endif ++ ++ if ((vlandev == NULL) || (!vlandev->vlan_dev)) { ++ return 0; ++ } ++ ++ cnt += sprintf(buf + cnt, "%s VID: %d REORDER_HDR: %i\n", ++ vlandev->name, vlandev->vlan_dev->vlan_id, (int)(vlandev->vlan_dev->flags & 1)); ++ stats = (struct net_device_stats*)(vlandev->priv); ++ ++ cnt += sprintf(buf + cnt, "%30s: %12lu\n", ++ "total frames received", stats->rx_packets); ++ ++ cnt += sprintf(buf + cnt, "%30s: %12lu\n", ++ "total bytes received", stats->rx_bytes); ++ ++ cnt += sprintf(buf + cnt, "%30s: %12lu\n", ++ "Broadcast/Multicast Rcvd", stats->multicast); ++ ++ cnt += sprintf(buf + cnt, "\n%30s: %12lu\n", ++ "total frames transmitted", stats->tx_packets); ++ ++ cnt += sprintf(buf + cnt, "%30s: %12lu\n", ++ "total bytes transmitted", stats->tx_bytes); ++ ++ cnt += sprintf(buf + cnt, "%30s: %12lu\n", ++ "total headroom inc", vlandev->vlan_dev->cnt_inc_headroom_on_tx); ++ ++ cnt += sprintf(buf + cnt, "%30s: %12lu\n", ++ "total encap on xmit", vlandev->vlan_dev->cnt_encap_on_xmit); ++ ++ cnt += sprintf(buf + cnt, "Device: %s", vlandev->vlan_dev->real_dev->name); ++ ++ /* now show all PRIORITY mappings relating to this VLAN */ ++ cnt += sprintf(buf + cnt, "\nINGRESS priority mappings: 0:%lu 1:%lu 2:%lu 3:%lu 4:%lu 5:%lu 6:%lu 7:%lu\n", ++ vlandev->vlan_dev->ingress_priority_map[0], ++ vlandev->vlan_dev->ingress_priority_map[1], ++ vlandev->vlan_dev->ingress_priority_map[2], ++ vlandev->vlan_dev->ingress_priority_map[3], ++ vlandev->vlan_dev->ingress_priority_map[4], ++ vlandev->vlan_dev->ingress_priority_map[5], ++ vlandev->vlan_dev->ingress_priority_map[6], ++ vlandev->vlan_dev->ingress_priority_map[7]); ++ ++ cnt += sprintf(buf + cnt, "EGRESSS priority Mappings: "); ++ ++ for (i = 0; i<16; i++) { ++ mp = vlandev->vlan_dev->egress_priority_map[i]; ++ while (mp) { ++ cnt += sprintf(buf + cnt, "%lu:%hu ", mp->priority, ((mp->vlan_qos >> 13) & 0x7)); ++ ++ if ((cnt + 100) > VLAN_PROC_BUFSZ) { ++ if ((cnt + strlen(term_msg)) >= VLAN_PROC_BUFSZ) { ++ /* should never get here */ ++ return cnt; ++ } ++ else { ++ cnt += sprintf(buf + cnt, "%s", term_msg); ++ return cnt; ++ } ++ }/* if running out of buffer space */ ++ mp = mp->next; ++ } ++ }/* for */ ++ ++ cnt += sprintf(buf + cnt, "\n"); ++ ++ return cnt; ++} ++ ++ ++/* ++ * End ++ */ ++ ++#else ++ ++/* ++ * No /proc - output stubs ++ */ ++ ++__initfunc(int vlan_proc_init(void)) ++{ ++ return 0; ++} ++ ++void vlan_proc_cleanup(void) ++{ ++ return; ++} ++ ++ ++int vlan_proc_add_dev(struct device *vlandev) ++{ ++ return 0; ++} ++ ++int vlan_proc_rem_dev(struct device *vlandev) ++{ ++ return 0; ++} ++ ++#endif +diff -Nurb linux/net/802_1Q/vlanproc.h linux.p/net/802_1Q/vlanproc.h +--- linux/net/802_1Q/vlanproc.h Thu Jan 1 01:00:00 1970 ++++ linux.p/net/802_1Q/vlanproc.h Mon Jun 4 16:08:04 2001 +@@ -0,0 +1,27 @@ ++ ++#ifndef __BEN_VLAN_PROC_INC__ ++#define __BEN_VLAN_PROC_INC__ ++ ++ ++int vlan_proc_init(void); ++ ++int vlan_proc_rem_dev(struct device* vlandev); ++int vlan_proc_add_dev (struct device* vlandev); ++void vlan_proc_cleanup (void); ++ ++ ++#define VLAN_PROC_BUFSZ (4096) /* buffer size for printing proc info */ ++ ++/****** Data Types **********************************************************/ ++ ++/* ++typedef struct vlan_stat_entry { ++ struct vlan_stat_entry * next; ++ char *description; * description string * ++ void *data; * -> data * ++ unsigned data_type; * data type * ++} vlan_stat_entry_t; ++*/ ++ ++ ++#endif +diff -Nurb linux/net/Config.in linux.p/net/Config.in +--- linux/net/Config.in Mon Jun 4 17:48:17 2001 ++++ linux.p/net/Config.in Mon Jun 4 16:08:04 2001 +@@ -51,6 +51,9 @@ + # if [ "$CONFIG_LLC" = "y" ]; then + # bool 'Netbeui (EXPERIMENTAL)' CONFIG_NETBEUI + # fi ++ ++ tristate '802.1Q VLAN Support (EXPERIMENTAL)' CONFIG_VLAN_802_1Q ++ + tristate 'Acorn Econet/AUN protocols (EXPERIMENTAL)' CONFIG_ECONET + if [ "$CONFIG_ECONET" != "n" ]; then + bool ' AUN over UDP' CONFIG_ECONET_AUNUDP +diff -Nurb linux/net/Makefile linux.p/net/Makefile +--- linux/net/Makefile Mon Jun 4 17:48:17 2001 ++++ linux.p/net/Makefile Mon Jun 4 16:08:04 2001 +@@ -10,7 +10,7 @@ + MOD_SUB_DIRS := ipv4 + ALL_SUB_DIRS := 802 ax25 bridge core ethernet ipv4 ipv6 ipx unix appletalk \ + netrom rose lapb x25 wanrouter netlink sched packet sunrpc \ +- econet irda #decnet ++ econet irda 802_1Q #decnet + SUB_DIRS := core ethernet sched + MOD_LIST_NAME := NET_MISC_MODULES + +@@ -59,6 +59,14 @@ + + ifeq ($(CONFIG_BRIDGE),y) + SUB_DIRS += bridge ++endif ++ ++ifeq ($(CONFIG_VLAN_802_1Q),y) ++SUB_DIRS += 802_1Q ++else ++ ifeq ($(CONFIG_VLAN_802_1Q),m) ++ MOD_SUB_DIRS += 802_1Q ++ endif + endif + + ifeq ($(CONFIG_IPX),y) +diff -Nurb linux/net/core/dev.c linux.p/net/core/dev.c +--- linux/net/core/dev.c Sun Mar 25 18:37:41 2001 ++++ linux.p/net/core/dev.c Mon Jun 4 16:08:04 2001 +@@ -94,6 +94,9 @@ + #ifdef CONFIG_NET_RADIO + #include <linux/wireless.h> + #endif /* CONFIG_NET_RADIO */ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++#include "../802_1Q/vlan.h" ++#endif /* CONFIG_VLAN_802_1Q ... */ + #ifdef CONFIG_PLIP + extern int plip_init(void); + #endif +@@ -125,6 +128,13 @@ + * Why 16. Because with 16 the only overlap we get on a hash of the + * low nibble of the protocol value is RARP/SNAP/X.25. + * ++ * NOTE: That is no longer true with the addition of VLAN tags. Not ++ * sure which should go first, but I bet it won't make much ++ * difference if we are running VLANs. The good news is that ++ * this protocol won't be in the list unless compiled in, so ++ * the average user (w/out VLANs) will not be adversly affected. ++ * --BLG ++ * + * 0800 IP + * 0001 802.3 + * 0002 AX.25 +@@ -133,6 +143,7 @@ + * 0005 SNAP + * 0805 X.25 + * 0806 ARP ++ * 8100 802.1Q VLAN + * 8137 IPX + * 0009 Localtalk + * 86DD IPv6 +@@ -170,6 +181,257 @@ + static void dev_clear_backlog(struct device *dev); + + ++/* Taking this out, because lo has problems for some people. Feel ++ * free to turn it back on and give me (greearb@candelatech.com) bug ++ * reports if you can re-produce the problem. --Ben ++ * ++ * #define BENS_FAST_DEV_LOOKUP ++ * ++ */ ++ ++#ifdef BENS_FAST_DEV_LOOKUP ++/* Fast Device Lookup code. Should give much better than ++ * linear speed when looking for devices by idx or name. ++ * --Ben (greearb@candelatech.com) ++ */ ++#define FDL_HASH_LEN 256 ++ ++/* #define FDL_DEBUG */ ++ ++struct dev_hash_node { ++ struct device* dev; ++ struct dev_hash_node* next; ++}; ++ ++struct dev_hash_node* fdl_name_base[FDL_HASH_LEN];/* hashed by name */ ++struct dev_hash_node* fdl_idx_base[FDL_HASH_LEN]; /* hashed by index */ ++int fdl_initialized_yet = 0; ++ ++/* TODO: Make these inline methods */ ++/* Nice cheesy little hash method to be used on device-names (eth0, ppp0, etc) */ ++int fdl_calc_name_idx(const char* dev_name) { ++ int tmp = 0; ++ int i; ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "fdl_calc_name_idx, name: %s\n", dev_name); ++#endif ++ for (i = 0; dev_name[i]; i++) { ++ tmp += (int)(dev_name[i]); ++ } ++ if (i > 3) { ++ tmp += (dev_name[i-2] * 10); /* might add a little spread to the hash */ ++ tmp += (dev_name[i-3] * 100); /* might add a little spread to the hash */ ++ } ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "fdl_calc_name_idx, rslt: %i\n", (int)(tmp % FDL_HASH_LEN)); ++#endif ++ return (tmp % FDL_HASH_LEN); ++} ++ ++int fdl_calc_index_idx(const int ifindex) { ++ return (ifindex % FDL_HASH_LEN); ++} ++ ++ ++/* Better have a lock on the dev_base before calling this... */ ++int __fdl_ensure_init(void) { ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_ensure_init, enter\n"); ++#endif ++ if (! fdl_initialized_yet) { ++ /* only do this once.. */ ++ int i; ++ int idx = 0; /* into the hash table */ ++ struct device* dev = dev_base; ++ struct dev_hash_node* dhn; ++ ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_ensure_init, doing real work..."); ++#endif ++ ++ fdl_initialized_yet = 1; /* it has been attempted at least... */ ++ ++ for (i = 0; i<FDL_HASH_LEN; i++) { ++ fdl_name_base[i] = NULL; ++ fdl_idx_base[i] = NULL; ++ } ++ ++ /* add any current devices to the hash tables at this time. Note that ++ * this method must be called with locks on the dev_base acquired. ++ */ ++ while (dev) { ++ ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_ensure_init, dev: %p dev: %s, idx: %i\n", dev, dev->name, idx); ++#endif ++ /* first, take care of the hash-by-name */ ++ idx = fdl_calc_name_idx(dev->name); ++ dhn = kmalloc(sizeof(struct dev_hash_node), GFP_ATOMIC); ++ if (dhn) { ++ dhn->dev = dev; ++ dhn->next = fdl_name_base[idx]; ++ fdl_name_base[idx] = dhn; ++ } ++ else { ++ /* Nasty..couldn't get memory... */ ++ return -ENOMEM; ++ } ++ ++ /* now, do the hash-by-idx */ ++ idx = fdl_calc_index_idx(dev->ifindex); ++ dhn = kmalloc(sizeof(struct dev_hash_node), GFP_ATOMIC); ++ if (dhn) { ++ dhn->dev = dev; ++ dhn->next = fdl_idx_base[idx]; ++ fdl_idx_base[idx] = dhn; ++ } ++ else { ++ /* Nasty..couldn't get memory... */ ++ return -ENOMEM; ++ } ++ ++ dev = dev->next; ++ } ++ fdl_initialized_yet = 2; /* initialization actually worked */ ++ } ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_ensure_init, end, fdl_initialized_yet: %i\n", fdl_initialized_yet); ++#endif ++ if (fdl_initialized_yet == 2) { ++ return 0; ++ } ++ else { ++ return -1; ++ } ++}/* fdl_ensure_init */ ++ ++ ++/* called from register_netdevice, assumes dev is locked, and that no one ++ * will be calling __find_dev_by_name before this exits.. etc. ++ */ ++int __fdl_register_netdevice(struct device* dev) { ++ if (__fdl_ensure_init() == 0) { ++ /* first, take care of the hash-by-name */ ++ int idx = fdl_calc_name_idx(dev->name); ++ struct dev_hash_node* dhn = kmalloc(sizeof(struct dev_hash_node), GFP_ATOMIC); ++ ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_register_netdevice, dev: %p dev: %s, idx: %i", dev, dev->name, idx); ++#endif ++ ++ if (dhn) { ++ dhn->dev = dev; ++ dhn->next = fdl_name_base[idx]; ++ fdl_name_base[idx] = dhn; ++ } ++ else { ++ /* Nasty..couldn't get memory... */ ++ /* Don't try to use these hash tables any more... */ ++ fdl_initialized_yet = 1; /* tried, but failed */ ++ return -ENOMEM; ++ } ++ ++ /* now, do the hash-by-idx */ ++ idx = fdl_calc_index_idx(dev->ifindex); ++ dhn = kmalloc(sizeof(struct dev_hash_node), GFP_ATOMIC); ++ ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_register_netdevice, ifindex: %i, idx: %i", dev->ifindex, idx); ++#endif ++ ++ if (dhn) { ++ dhn->dev = dev; ++ dhn->next = fdl_idx_base[idx]; ++ fdl_idx_base[idx] = dhn; ++ } ++ else { ++ /* Nasty..couldn't get memory... */ ++ /* Don't try to use these hash tables any more... */ ++ fdl_initialized_yet = 1; /* tried, but failed */ ++ return -ENOMEM; ++ } ++ } ++ return 0; ++} /* fdl_register_netdevice */ ++ ++ ++/* called from register_netdevice, assumes dev is locked, and that no one ++ * will be calling __find_dev_by_name, etc. Returns 0 if found & removed one, ++ * returns -1 otherwise. ++ */ ++int __fdl_unregister_netdevice(struct device* dev) { ++ int retval = -1; ++ if (fdl_initialized_yet == 2) { /* If we've been initialized correctly... */ ++ /* first, take care of the hash-by-name */ ++ int idx = fdl_calc_name_idx(dev->name); ++ struct dev_hash_node* prev = fdl_name_base[idx]; ++ struct dev_hash_node* cur = NULL; ++ ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__fdl_unregister_netdevice, dev: %p dev: %s, idx: %i", dev, dev->name, idx); ++#endif ++ ++ if (prev) { ++ if (strcmp(dev->name, prev->dev->name) == 0) { ++ /* it's the first one... */ ++ fdl_name_base[idx] = prev->next; ++ kfree(prev); ++ retval = 0; ++ } ++ else { ++ cur = prev->next; ++ while (cur) { ++ if (strcmp(dev->name, cur->dev->name) == 0) { ++ prev->next = cur->next; ++ kfree(cur); ++ retval = 0; ++ break; ++ } ++ else { ++ prev = cur; ++ cur = cur->next; ++ } ++ } ++ } ++ } ++ ++ /* Now, the hash-by-index */ ++ idx = fdl_calc_index_idx(dev->ifindex); ++ prev = fdl_idx_base[idx]; ++ cur = NULL; ++ if (prev) { ++ if (dev->ifindex == prev->dev->ifindex) { ++ /* it's the first one... */ ++ fdl_idx_base[idx] = prev->next; ++ kfree(prev); ++ retval = 0; ++ } ++ else { ++ cur = prev->next; ++ while (cur) { ++ if (dev->ifindex == cur->dev->ifindex) { ++ prev->next = cur->next; ++ kfree(cur); ++ retval = 0; ++ break; ++ } ++ else { ++ prev = cur; ++ cur = cur->next; ++ } ++ } ++ } ++ } ++ }/* if we ensured init OK */ ++ return retval; ++} /* fdl_unregister_netdevice */ ++ ++ ++ ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ ++ ++ + /****************************************************************************************** + + Protocol management and registration routines +@@ -267,6 +529,26 @@ + { + struct device *dev; + ++#ifdef BENS_FAST_DEV_LOOKUP ++ int idx = fdl_calc_name_idx(name); ++ struct dev_hash_node* dhn; ++ if (fdl_initialized_yet == 2) { ++#ifdef FDL_DEBUG ++ printk(KERN_ERR "__dev_get_by_name, name: %s idx: %i\n", name, idx); ++#endif ++ dhn = fdl_name_base[idx]; ++ while (dhn) { ++ if (strcmp(dhn->dev->name, name) == 0) { ++ /* printk(KERN_ERR "__dev_get_by_name, found it: %p\n", dhn->dev); */ ++ return dhn->dev; ++ } ++ dhn = dhn->next; ++ } ++ /* printk(KERN_ERR "__dev_get_by_name, didn't find it for name: %s\n", name); */ ++ return NULL; ++ } ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ + for (dev = dev_base; dev != NULL; dev = dev->next) + { + if (strcmp(dev->name, name) == 0) +@@ -279,6 +561,20 @@ + { + struct device *dev; + ++#ifdef BENS_FAST_DEV_LOOKUP ++ int idx = fdl_calc_index_idx(ifindex); ++ struct dev_hash_node* dhn; ++ if (fdl_initialized_yet == 2) { /* have we gone through initialization before... */ ++ dhn = fdl_idx_base[idx]; ++ while (dhn) { ++ if (dhn->dev->ifindex == ifindex) ++ return dhn->dev; ++ dhn = dhn->next; ++ } ++ return NULL; ++ } ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ + for (dev = dev_base; dev != NULL; dev = dev->next) + { + if (dev->ifindex == ifindex) +@@ -310,14 +606,17 @@ + int i; + /* + * If you need over 100 please also fix the algorithm... ++ * ++ * Increased it to deal with VLAN interfaces. It is unlikely ++ * that this many will ever be added, but it can't hurt! -BLG + */ +- for(i=0;i<100;i++) ++ for(i=0;i<8192;i++) + { + sprintf(dev->name,name,i); + if(dev_get(dev->name)==NULL) + return i; + } +- return -ENFILE; /* Over 100 of the things .. bail out! */ ++ return -ENFILE; /* Over 8192 of the things .. bail out! */ + } + + struct device *dev_alloc(const char *name, int *err) +@@ -1603,8 +1902,15 @@ + return -EBUSY; + if (dev_get(ifr->ifr_newname)) + return -EEXIST; ++#ifdef BENS_FAST_DEV_LOOKUP ++ /* Doesn't seem to need any additional locking in kernel 2.2 series... --Ben */ ++ __fdl_unregister_netdevice(dev); /* take it out of the name hash table */ ++#endif /* BENS_FAST_DEV_LOOKUP */ + memcpy(dev->name, ifr->ifr_newname, IFNAMSIZ); + dev->name[IFNAMSIZ-1] = 0; ++#ifdef BENS_FAST_DEV_LOOKUP ++ __fdl_register_netdevice(dev); /* put it back in the name hash table, with the new name */ ++#endif /* BENS_FAST_DEV_LOOKUP */ + notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev); + return 0; + +@@ -1809,6 +2115,15 @@ + return -EEXIST; + } + dev->next = NULL; ++ ++#ifdef BENS_FAST_DEV_LOOKUP ++ /* Must do this before dp is set to dev, or it could be added twice, ++ * once on initialization based on dev_base, and once again after ++ * that... ++ */ ++ __fdl_register_netdevice(dev); ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ + *dp = dev; + #ifdef CONFIG_NET_DIVERT + ret=alloc_divert_blk(dev); +@@ -1834,6 +2149,13 @@ + dev->ifindex = dev_new_index(); + if (dev->iflink == -1) + dev->iflink = dev->ifindex; ++ ++#ifdef BENS_FAST_DEV_LOOKUP ++ /* Must do this before dp is set to dev, or it could be added twice, once ++ * on initialization based on dev_base, and once again after that... ++ */ ++ __fdl_register_netdevice(dev); ++#endif /* BENS_FAST_DEV_LOOKUP */ + *dp = dev; + + /* Notify protocols, that a new device appeared. */ +@@ -1885,6 +2207,9 @@ + for (dp = &dev_base; (d=*dp) != NULL; dp=&d->next) { + if (d == dev) { + *dp = d->next; ++#ifdef BENS_FAST_DEV_LOOKUP ++ __fdl_unregister_netdevice(dev); ++#endif /* BENS_FAST_DEV_LOOKUP */ + synchronize_bh(); + d->next = NULL; + +diff -Nurb linux/net/ethernet/eth.c linux.p/net/ethernet/eth.c +--- linux/net/ethernet/eth.c Sun Mar 25 18:31:12 2001 ++++ linux.p/net/ethernet/eth.c Mon Jun 4 16:08:04 2001 +@@ -174,6 +174,9 @@ + * Determine the packet's protocol ID. The rule here is that we + * assume 802.3 if the type field is short enough to be a length. + * This is normal practice and works for any 'now in use' protocol. ++ * ++ * NOTE: It is likely that you will want to change vlan_type_trans in ++ * 802_1Q/vlan.c if you change anything here. + */ + + unsigned short eth_type_trans(struct sk_buff *skb, struct device *dev) +@@ -182,7 +185,19 @@ + unsigned char *rawp; + + skb->mac.raw=skb->data; ++ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++ /* Moving this below to be more selective. Reason is that for VLAN ++ * devices, we do not want to pull the header, we'll let the VLAN ++ * device do that instead. This makes default vlans (based on incoming ++ * port), much more sane! --BLG ++ */ ++ ++ /* skb_pull(skb,dev->hard_header_len); */ ++#else + skb_pull(skb,dev->hard_header_len); ++#endif /* CONFIG_VLAN_802_1Q ... */ ++ + eth= skb->mac.ethernet; + + if(*eth->h_dest&1) +@@ -207,6 +222,20 @@ + skb->pkt_type=PACKET_OTHERHOST; + } + ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++ if (ntohs(eth->h_proto) == ETH_P_802_1Q) { ++ /* then we have to convert this into a VLAN looking packet. ++ * We'll wait to do that in the VLAN protocol handler. ++ * ++ * NOTE: We DO NOT PULL ANYTHING FROM THE SKB HERE!!! ++ */ ++ return __constant_htons(ETH_P_802_1Q); ++ } ++ else { ++ skb_pull(skb, dev->hard_header_len); ++ } ++#endif /* CONFIG_VLAN_802_1Q ... */ ++ + if (ntohs(eth->h_proto) >= 1536) + return eth->h_proto; + +diff -Nurb linux/net/netsyms.c linux.p/net/netsyms.c +--- linux/net/netsyms.c Mon Jun 4 17:48:17 2001 ++++ linux.p/net/netsyms.c Mon Jun 4 17:39:36 2001 +@@ -403,6 +403,12 @@ + EXPORT_SYMBOL(rtnl_lock); + EXPORT_SYMBOL(rtnl_unlock); + ++#if defined(CONFIG_VLAN_802_1Q_MODULE) ++extern struct Qdisc noqueue_qdisc; ++EXPORT_SYMBOL(noqueue_qdisc); ++EXPORT_SYMBOL(dev_change_flags); ++EXPORT_SYMBOL(eth_header_parse); ++#endif + + /* Used by at least ipip.c. */ + EXPORT_SYMBOL(ipv4_config); +@@ -533,7 +539,6 @@ + #include<linux/if_ltalk.h> + EXPORT_SYMBOL(ltalk_setup); + #endif +- + + /* Packet scheduler modules want these. */ + EXPORT_SYMBOL(qdisc_destroy); +diff -Nurb linux/net/protocols.c linux.p/net/protocols.c +--- linux/net/protocols.c Sun Mar 25 18:31:11 2001 ++++ linux.p/net/protocols.c Mon Jun 4 16:08:04 2001 +@@ -34,6 +34,10 @@ + extern void packet_proto_init(struct net_proto *pro); + #endif + ++#ifdef CONFIG_VLAN_802_1Q ++extern void vlan_proto_init(struct net_proto* pro); ++#endif ++ + #if defined(CONFIG_IPX) || defined(CONFIG_IPX_MODULE) + #define NEED_802 + #include <net/ipxcall.h> +@@ -169,5 +173,9 @@ + { "IrDA", irda_proto_init }, /* IrDA protocols */ + #endif + ++#ifdef CONFIG_VLAN_802_1Q ++ { "VLAN", vlan_proto_init }, /* 802.1Q VLAN Support. --BLG */ ++#endif ++ + { NULL, NULL } /* End marker */ + }; diff --git a/contrib/vlan_2.2-module.patch b/contrib/vlan_2.2-module.patch new file mode 100644 index 0000000..f4c4bd0 --- /dev/null +++ b/contrib/vlan_2.2-module.patch @@ -0,0 +1,495 @@ +diff -Nurb linux/include/linux/if_ether.h linux.p/include/linux/if_ether.h +--- linux/include/linux/if_ether.h Mon Jun 4 17:51:51 2001 ++++ linux.p/include/linux/if_ether.h Mon Jun 4 16:10:17 2001 +@@ -33,8 +33,7 @@ + #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ + + +-#ifdef CONFIG_VLAN_802_1Q +- ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + + #define VLAN_ETH_ALEN 6 /* Octets in one ethernet addr */ + #define VLAN_ETH_HLEN 18 /* Total octets in header. */ +@@ -58,9 +57,7 @@ + unsigned short h_vlan_encapsulated_proto; /* packet type ID field (or len) */ + }; + +- +-#endif +- ++#endif /* CONFIG_VLAN_802_1Q ... */ + + /* + * These are the defined Ethernet Protocol ID's. +diff -Nurb linux/include/linux/netdevice.h linux.p/include/linux/netdevice.h +--- linux/include/linux/netdevice.h Mon Jun 4 17:51:51 2001 ++++ linux.p/include/linux/netdevice.h Mon Jun 4 16:10:48 2001 +@@ -37,14 +37,11 @@ + #ifdef CONFIG_NET_PROFILE + #include <net/profile.h> + #endif +- +-#if (defined(CONFIG_VLAN_802_1Q)) +-struct vlan_dev_info; +-#endif +- + #endif + +- ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) ++struct vlan_dev_info; ++#endif /* CONFIG_VLAN_802_1Q ... */ + + struct divert_blk; + +@@ -60,11 +57,11 @@ + */ + + #if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR) +-#if defined(CONFIG_VLAN_802_1Q) ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + #define LL_MAX_HEADER 36 + #else + #define LL_MAX_HEADER 32 +-#endif ++#endif /* CONFIG_VLAN_802_1Q ... */ + #else + #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) + #define LL_MAX_HEADER 96 +@@ -168,17 +165,16 @@ + atomic_t hh_refcnt; /* number of users */ + unsigned short hh_type; /* protocol identifier, f.e ETH_P_IP + * NOTE: For VLANs, this will be the +- * encapuslated type. --BLG ++ * encapsulated type. --BLG + */ + int (*hh_output)(struct sk_buff *skb); + rwlock_t hh_lock; +- + /* cached hardware header; allow for machine alignment needs. */ +-#ifdef CONFIG_VLAN_802_1Q /* we need 4 extra bytes for VLAN headers */ ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) /* we need 4 extra bytes for VLAN headers */ + unsigned long hh_data[20/sizeof(unsigned long)]; + #else + unsigned long hh_data[16/sizeof(unsigned long)]; +-#endif ++#endif /* CONFIG_VLAN_802_1Q ... */ + }; + + +@@ -336,14 +332,13 @@ + int tx_semaphore; + #define NETDEV_FASTROUTE_HMASK 0xF + /* Semi-private data. Keep it at the end of device struct. */ +- + struct dst_entry *fastpath[NETDEV_FASTROUTE_HMASK+1]; + #endif + +-#ifdef CONFIG_VLAN_802_1Q ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + /* Holds information that makes sense if this device is a VLAN device. */ + struct vlan_dev_info* vlan_dev; +-#endif ++#endif /* CONFIG_VLAN_802_1Q ... */ + + #ifdef CONFIG_NET_DIVERT + /* this will get initialized at each interface type init routine */ +diff -Nurb linux/net/802_1Q/Makefile linux.p/net/802_1Q/Makefile +--- linux/net/802_1Q/Makefile Mon Jun 4 17:51:51 2001 ++++ linux.p/net/802_1Q/Makefile Mon Jun 4 16:08:04 2001 +@@ -1,5 +1,5 @@ + # +-# Makefile for the Linux Ethernet layer. ++# Makefile for the Linux 802.1q protocol layer + # + # Note! Dependencies are done automagically by 'make dep', which also + # removes any old dependencies. DON'T put your own dependencies here +@@ -8,19 +8,14 @@ + # Note 2! The CFLAGS definition is now in the main makefile... + + O_TARGET := 802_1Q.o ++O_OBJS := vlan.o vlanproc.o vlan_dev.o + +-OBJS := vlan.o vlanproc.o vlan_dev.o +- +-ifeq ($(CONFIG_SYSCTL),y) +-OBJS += sysctl_net_vlan.o ++ifeq ($(CONFIG_VLAN_802_1Q),m) ++M_OBJS := $(O_TARGET) + endif + +- +-ifdef CONFIG_NET +-O_OBJS := $(OBJS) $(OBJ2) ++ifeq ($(CONFIG_SYSCTL),y) ++O_OBJS += sysctl_net_vlan.o + endif + + include $(TOPDIR)/Rules.make +- +-tar: +- tar -cvf /dev/f1 . +diff -Nurb linux/net/802_1Q/sysctl_net_vlan.c linux.p/net/802_1Q/sysctl_net_vlan.c +--- linux/net/802_1Q/sysctl_net_vlan.c Mon Jun 4 17:51:51 2001 ++++ linux.p/net/802_1Q/sysctl_net_vlan.c Mon Jun 4 16:08:04 2001 +@@ -6,7 +6,7 @@ + * TODO: What, if anything, should this do?? + */ + +-#ifdef CONFIG_VLAN_802_1Q ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + + #include <linux/mm.h> + #include <linux/sysctl.h> +@@ -15,4 +15,4 @@ + {0} + }; + +-#endif ++#endif /* CONFIG_VLAN_802_1Q ... */ +diff -Nurb linux/net/802_1Q/vlan.c linux.p/net/802_1Q/vlan.c +--- linux/net/802_1Q/vlan.c Mon Jun 4 17:51:51 2001 ++++ linux.p/net/802_1Q/vlan.c Mon Jun 4 17:46:31 2001 +@@ -81,8 +81,6 @@ + * Context: process + */ + int init_module (void) { +- printk(VLAN_INF __FUNCTION__); +- + vlan_proto_init(NULL); + return 0; + } +@@ -92,7 +90,8 @@ + * o delete /proc/net/router directory and static entries. + */ + void cleanup_module (void) { +- vlan_proto_cleanup(); // TODO: Define this so modules work. ++ dev_remove_pack(&vlan_packet_type); ++ vlan_proc_cleanup(); + } + + #else +@@ -100,11 +99,8 @@ + + /** Non-module init entry point. */ + __initfunc(void vlan_system_init(void)) { +- printk(VLAN_INF __FUNCTION__); +- + /* protocol initialization */ + vlan_proto_init(NULL); +- + } + #endif + +@@ -205,6 +201,7 @@ + * NOTE: This deletes dev, don't access it again!! + */ + unregister_netdevice(dev); ++ MOD_DEC_USE_COUNT; + + }/* if */ + }/* if */ +@@ -438,6 +435,7 @@ + /* printk(KERN_ALERT "Registering new device."); */ + register_netdevice(new_dev); + vlan_proc_add_dev(new_dev); /* create it's proc entry */ ++ MOD_INC_USE_COUNT; /* Add was a success!! */ + return new_dev; + } + }//if +diff -Nurb linux/net/802_1Q/vlan_dev.c linux.p/net/802_1Q/vlan_dev.c +--- linux/net/802_1Q/vlan_dev.c Mon Jun 4 17:51:51 2001 ++++ linux.p/net/802_1Q/vlan_dev.c Mon Jun 4 16:08:04 2001 +@@ -18,7 +18,6 @@ + */ + + #include <asm/uaccess.h> /* for copy_from_user */ +-#include <linux/module.h> + #include <linux/netdevice.h> + #include <linux/skbuff.h> + #include <net/datalink.h> +diff -Nurb linux/net/802_1Q/vlanproc.c linux.p/net/802_1Q/vlanproc.c +--- linux/net/802_1Q/vlanproc.c Mon Jun 4 17:51:51 2001 ++++ linux.p/net/802_1Q/vlanproc.c Mon Jun 4 16:08:04 2001 +@@ -1,19 +1,19 @@ + /* * -*- linux-c -*- */ + /***************************************************************************** + * vlanproc.c VLAN Module. /proc filesystem interface. +-* +-* Author: Ben Greear, <greearb@candelatech.com> coppied from wanproc.c +-* by: Gene Kozin <genek@compuserve.com> +-* +-* Copyright: (c) 1998-2000 Ben Greear +-* +-* 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 +-* 2 of the License, or (at your option) any later version. +-* ============================================================================ +-* Jan 20, 1998 Ben Greear Initial Version +-*****************************************************************************/ ++ * ++ * Author: Ben Greear, <greearb@candelatech.com> coppied from wanproc.c ++ * by: Gene Kozin <genek@compuserve.com> ++ * ++ * Copyright: (c) 1998-2000 Ben Greear ++ * ++ * 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 ++ * 2 of the License, or (at your option) any later version. ++ * ============================================================================ ++ * Jan 20, 1998 Ben Greear Initial Version ++ *****************************************************************************/ + + #include <linux/config.h> + #include <linux/stddef.h> /* offsetof(), etc. */ +diff -Nurb linux/net/Config.in linux.p/net/Config.in +--- linux/net/Config.in Mon Jun 4 17:51:51 2001 ++++ linux.p/net/Config.in Mon Jun 4 16:08:04 2001 +@@ -48,12 +48,12 @@ + fi + bool 'Frame Diverter (EXPERIMENTAL)' CONFIG_NET_DIVERT + bool '802.2 LLC (EXPERIMENTAL)' CONFIG_LLC +- +- bool '802.1Q VLAN Support (EXPERIMENTAL)' CONFIG_VLAN_802_1Q +- + # if [ "$CONFIG_LLC" = "y" ]; then + # bool 'Netbeui (EXPERIMENTAL)' CONFIG_NETBEUI + # fi ++ ++ tristate '802.1Q VLAN Support (EXPERIMENTAL)' CONFIG_VLAN_802_1Q ++ + tristate 'Acorn Econet/AUN protocols (EXPERIMENTAL)' CONFIG_ECONET + if [ "$CONFIG_ECONET" != "n" ]; then + bool ' AUN over UDP' CONFIG_ECONET_AUNUDP +diff -Nurb linux/net/Makefile linux.p/net/Makefile +--- linux/net/Makefile Mon Jun 4 17:51:51 2001 ++++ linux.p/net/Makefile Mon Jun 4 16:08:04 2001 +@@ -63,6 +63,10 @@ + + ifeq ($(CONFIG_VLAN_802_1Q),y) + SUB_DIRS += 802_1Q ++else ++ ifeq ($(CONFIG_VLAN_802_1Q),m) ++ MOD_SUB_DIRS += 802_1Q ++ endif + endif + + ifeq ($(CONFIG_IPX),y) +diff -Nurb linux/net/core/dev.c linux.p/net/core/dev.c +--- linux/net/core/dev.c Mon Jun 4 17:51:51 2001 ++++ linux.p/net/core/dev.c Mon Jun 4 16:08:04 2001 +@@ -1,4 +1,4 @@ +-/* -*- linux-c -*- ++/* + * NET3 Protocol independent device support routines. + * + * This program is free software; you can redistribute it and/or +@@ -94,11 +94,9 @@ + #ifdef CONFIG_NET_RADIO + #include <linux/wireless.h> + #endif /* CONFIG_NET_RADIO */ +- +-#ifdef CONFIG_VLAN_802_1Q ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + #include "../802_1Q/vlan.h" +-#endif +- ++#endif /* CONFIG_VLAN_802_1Q ... */ + #ifdef CONFIG_PLIP + extern int plip_init(void); + #endif +@@ -138,7 +136,6 @@ + * --BLG + * + * 0800 IP +- * 8100 802.1Q VLAN + * 0001 802.3 + * 0002 AX.25 + * 0004 802.2 +@@ -146,6 +143,7 @@ + * 0005 SNAP + * 0805 X.25 + * 0806 ARP ++ * 8100 802.1Q VLAN + * 8137 IPX + * 0009 Localtalk + * 86DD IPv6 +@@ -186,10 +184,11 @@ + /* Taking this out, because lo has problems for some people. Feel + * free to turn it back on and give me (greearb@candelatech.com) bug + * reports if you can re-produce the problem. --Ben ++ * ++ * #define BENS_FAST_DEV_LOOKUP ++ * ++ */ + +- #define BENS_FAST_DEV_LOOKUP +- +-*/ + #ifdef BENS_FAST_DEV_LOOKUP + /* Fast Device Lookup code. Should give much better than + * linear speed when looking for devices by idx or name. +@@ -548,7 +547,8 @@ + /* printk(KERN_ERR "__dev_get_by_name, didn't find it for name: %s\n", name); */ + return NULL; + } +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ + for (dev = dev_base; dev != NULL; dev = dev->next) + { + if (strcmp(dev->name, name) == 0) +@@ -560,6 +560,7 @@ + struct device * dev_get_by_index(int ifindex) + { + struct device *dev; ++ + #ifdef BENS_FAST_DEV_LOOKUP + int idx = fdl_calc_index_idx(ifindex); + struct dev_hash_node* dhn; +@@ -572,7 +573,8 @@ + } + return NULL; + } +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ + for (dev = dev_base; dev != NULL; dev = dev->next) + { + if (dev->ifindex == ifindex) +@@ -1127,7 +1129,7 @@ + if(skb==NULL) + return; + +- offset = skb->data - skb->mac.raw; ++ offset=skb->data-skb->mac.raw; + skb_push(skb,offset); /* Put header back on for bridge */ + + if(br_receive_frame(skb)) +@@ -1253,7 +1255,7 @@ + } + + /* +- * Fetch the packet protocol ID. (In Network Byte Order --BLG) ++ * Fetch the packet protocol ID. + */ + + type = skb->protocol; +@@ -1903,12 +1905,12 @@ + #ifdef BENS_FAST_DEV_LOOKUP + /* Doesn't seem to need any additional locking in kernel 2.2 series... --Ben */ + __fdl_unregister_netdevice(dev); /* take it out of the name hash table */ +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ + memcpy(dev->name, ifr->ifr_newname, IFNAMSIZ); + dev->name[IFNAMSIZ-1] = 0; + #ifdef BENS_FAST_DEV_LOOKUP + __fdl_register_netdevice(dev); /* put it back in the name hash table, with the new name */ +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ + notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev); + return 0; + +@@ -2113,12 +2115,15 @@ + return -EEXIST; + } + dev->next = NULL; ++ + #ifdef BENS_FAST_DEV_LOOKUP +- /* Must do this before dp is set to dev, or it could be added twice, once +- * on initialization based on dev_base, and once again after that... ++ /* Must do this before dp is set to dev, or it could be added twice, ++ * once on initialization based on dev_base, and once again after ++ * that... + */ + __fdl_register_netdevice(dev); +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ ++ + *dp = dev; + #ifdef CONFIG_NET_DIVERT + ret=alloc_divert_blk(dev); +@@ -2150,7 +2155,7 @@ + * on initialization based on dev_base, and once again after that... + */ + __fdl_register_netdevice(dev); +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ + *dp = dev; + + /* Notify protocols, that a new device appeared. */ +@@ -2204,7 +2209,7 @@ + *dp = d->next; + #ifdef BENS_FAST_DEV_LOOKUP + __fdl_unregister_netdevice(dev); +-#endif ++#endif /* BENS_FAST_DEV_LOOKUP */ + synchronize_bh(); + d->next = NULL; + +diff -Nurb linux/net/ethernet/eth.c linux.p/net/ethernet/eth.c +--- linux/net/ethernet/eth.c Mon Jun 4 17:51:51 2001 ++++ linux.p/net/ethernet/eth.c Mon Jun 4 16:08:04 2001 +@@ -186,7 +186,7 @@ + + skb->mac.raw=skb->data; + +-#ifdef CONFIG_VLAN_802_1Q ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + /* Moving this below to be more selective. Reason is that for VLAN + * devices, we do not want to pull the header, we'll let the VLAN + * device do that instead. This makes default vlans (based on incoming +@@ -196,7 +196,7 @@ + /* skb_pull(skb,dev->hard_header_len); */ + #else + skb_pull(skb,dev->hard_header_len); +-#endif ++#endif /* CONFIG_VLAN_802_1Q ... */ + + eth= skb->mac.ethernet; + +@@ -222,7 +222,7 @@ + skb->pkt_type=PACKET_OTHERHOST; + } + +-#ifdef CONFIG_VLAN_802_1Q ++#if (defined(CONFIG_VLAN_802_1Q) || defined(CONFIG_VLAN_802_1Q_MODULE)) + if (ntohs(eth->h_proto) == ETH_P_802_1Q) { + /* then we have to convert this into a VLAN looking packet. + * We'll wait to do that in the VLAN protocol handler. +@@ -234,7 +234,7 @@ + else { + skb_pull(skb, dev->hard_header_len); + } +-#endif ++#endif /* CONFIG_VLAN_802_1Q ... */ + + if (ntohs(eth->h_proto) >= 1536) + return eth->h_proto; +diff -Nurb linux/net/netsyms.c linux.p/net/netsyms.c +--- linux/net/netsyms.c Mon Jun 4 17:48:17 2001 ++++ linux.p/net/netsyms.c Mon Jun 4 17:39:36 2001 +@@ -403,6 +403,12 @@ + EXPORT_SYMBOL(rtnl_lock); + EXPORT_SYMBOL(rtnl_unlock); + ++#if defined(CONFIG_VLAN_802_1Q_MODULE) ++extern struct Qdisc noqueue_qdisc; ++EXPORT_SYMBOL(noqueue_qdisc); ++EXPORT_SYMBOL(dev_change_flags); ++EXPORT_SYMBOL(eth_header_parse); ++#endif + + /* Used by at least ipip.c. */ + EXPORT_SYMBOL(ipv4_config); +@@ -533,7 +539,6 @@ + #include<linux/if_ltalk.h> + EXPORT_SYMBOL(ltalk_setup); + #endif +- + + /* Packet scheduler modules want these. */ + EXPORT_SYMBOL(qdisc_destroy); |