mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-18 15:26:14 +02:00
95571be1fb
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11302 3c298f89-4303-0410-b956-a3cf2f4a3e73
729 lines
21 KiB
Diff
729 lines
21 KiB
Diff
--- a/include/linux/atmbr2684.h
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+++ b/include/linux/atmbr2684.h
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@@ -14,6 +14,9 @@
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#define BR2684_MEDIA_FDDI (3)
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#define BR2684_MEDIA_802_6 (4) /* 802.6 */
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+ /* used only at device creation: */
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+#define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */
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+
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/*
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* Is there FCS inbound on this VC? This currently isn't supported.
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*/
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@@ -36,15 +39,22 @@
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#define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
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/*
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+ * Is this VC bridged or routed?
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+ */
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+
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+#define BR2684_PAYLOAD_ROUTED (0)
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+#define BR2684_PAYLOAD_BRIDGED (1)
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+
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+/*
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* This is for the ATM_NEWBACKENDIF call - these are like socket families:
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* the first element of the structure is the backend number and the rest
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* is per-backend specific
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*/
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struct atm_newif_br2684 {
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- atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
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- int media; /* BR2684_MEDIA_* */
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- char ifname[IFNAMSIZ];
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- int mtu;
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+ atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
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+ int media; /* BR2684_MEDIA_*, flags in upper bits */
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+ char ifname[IFNAMSIZ];
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+ int mtu;
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};
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/*
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@@ -55,10 +65,10 @@
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#define BR2684_FIND_BYNUM (1)
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#define BR2684_FIND_BYIFNAME (2)
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struct br2684_if_spec {
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- int method; /* BR2684_FIND_* */
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+ int method; /* BR2684_FIND_* */
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union {
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- char ifname[IFNAMSIZ];
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- int devnum;
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+ char ifname[IFNAMSIZ];
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+ int devnum;
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} spec;
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};
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@@ -68,16 +78,16 @@
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* is per-backend specific
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*/
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struct atm_backend_br2684 {
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- atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
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+ atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
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struct br2684_if_spec ifspec;
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- int fcs_in; /* BR2684_FCSIN_* */
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- int fcs_out; /* BR2684_FCSOUT_* */
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- int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
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- int encaps; /* BR2684_ENCAPS_* */
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- int has_vpiid; /* 1: use vpn_id - Unsupported */
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- __u8 vpn_id[7];
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- int send_padding; /* unsupported */
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- int min_size; /* we will pad smaller packets than this */
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+ int fcs_in; /* BR2684_FCSIN_* */
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+ int fcs_out; /* BR2684_FCSOUT_* */
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+ int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
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+ int encaps; /* BR2684_ENCAPS_* */
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+ int has_vpiid; /* 1: use vpn_id - Unsupported */
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+ __u8 vpn_id[7];
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+ int send_padding; /* unsupported */
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+ int min_size; /* we will pad smaller packets than this */
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};
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/*
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@@ -86,8 +96,8 @@
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* efficient per-if in/out filters, this support will be removed
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*/
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struct br2684_filter {
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- __be32 prefix; /* network byte order */
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- __be32 netmask; /* 0 = disable filter */
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+ __be32 prefix; /* network byte order */
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+ __be32 netmask; /* 0 = disable filter */
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};
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struct br2684_filter_set {
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@@ -95,7 +105,13 @@
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struct br2684_filter filter;
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};
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+enum br2684_payload {
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+ p_routed = BR2684_PAYLOAD_ROUTED,
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+ p_bridged = BR2684_PAYLOAD_BRIDGED,
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+};
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+
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#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
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struct br2684_filter_set)
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#endif /* _LINUX_ATMBR2684_H */
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+
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -1,8 +1,10 @@
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/*
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-Experimental ethernet netdevice using ATM AAL5 as underlying carrier
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-(RFC1483 obsoleted by RFC2684) for Linux 2.4
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-Author: Marcell GAL, 2000, XDSL Ltd, Hungary
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-*/
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+ * Ethernet netdevice using ATM AAL5 as underlying carrier
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+ * (RFC1483 obsoleted by RFC2684) for Linux
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+ *
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+ * Authors: Marcell GAL, 2000, XDSL Ltd, Hungary
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+ * Eric Kinzie, 2006-2007, US Naval Research Laboratory
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+ */
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#include <linux/module.h>
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#include <linux/init.h>
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@@ -39,21 +41,35 @@
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#define skb_debug(skb) do {} while (0)
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#endif
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+#define BR2684_ETHERTYPE_LEN 2
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+#define BR2684_PAD_LEN 2
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+
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+#define LLC 0xaa, 0xaa, 0x03
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+#define SNAP_BRIDGED 0x00, 0x80, 0xc2
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+#define SNAP_ROUTED 0x00, 0x00, 0x00
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+#define PID_ETHERNET 0x00, 0x07
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+#define ETHERTYPE_IPV4 0x08, 0x00
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+#define ETHERTYPE_IPV6 0x86, 0xdd
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+#define PAD_BRIDGED 0x00, 0x00
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+
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+static unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
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+static unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
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static unsigned char llc_oui_pid_pad[] =
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- { 0xAA, 0xAA, 0x03, 0x00, 0x80, 0xC2, 0x00, 0x07, 0x00, 0x00 };
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-#define PADLEN (2)
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+ { LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED };
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+static unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 };
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+static unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
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enum br2684_encaps {
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- e_vc = BR2684_ENCAPS_VC,
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+ e_vc = BR2684_ENCAPS_VC,
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e_llc = BR2684_ENCAPS_LLC,
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};
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struct br2684_vcc {
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- struct atm_vcc *atmvcc;
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+ struct atm_vcc *atmvcc;
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struct net_device *device;
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- /* keep old push,pop functions for chaining */
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- void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb);
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- /* void (*old_pop)(struct atm_vcc *vcc,struct sk_buff *skb); */
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+ /* keep old push, pop functions for chaining */
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+ void (*old_push) (struct atm_vcc * vcc, struct sk_buff * skb);
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+ /* void (*old_pop)(struct atm_vcc *vcc, struct sk_buff *skb); */
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enum br2684_encaps encaps;
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struct list_head brvccs;
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#ifdef CONFIG_ATM_BR2684_IPFILTER
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@@ -66,9 +82,10 @@
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struct net_device *net_dev;
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struct list_head br2684_devs;
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int number;
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- struct list_head brvccs; /* one device <=> one vcc (before xmas) */
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+ struct list_head brvccs; /* one device <=> one vcc (before xmas) */
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struct net_device_stats stats;
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int mac_was_set;
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+ enum br2684_payload payload;
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};
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/*
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@@ -84,7 +101,7 @@
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static inline struct br2684_dev *BRPRIV(const struct net_device *net_dev)
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{
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- return (struct br2684_dev *) net_dev->priv;
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+ return (struct br2684_dev *)net_dev->priv;
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}
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static inline struct net_device *list_entry_brdev(const struct list_head *le)
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@@ -94,7 +111,7 @@
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static inline struct br2684_vcc *BR2684_VCC(const struct atm_vcc *atmvcc)
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{
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- return (struct br2684_vcc *) (atmvcc->user_back);
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+ return (struct br2684_vcc *)(atmvcc->user_back);
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}
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static inline struct br2684_vcc *list_entry_brvcc(const struct list_head *le)
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@@ -132,10 +149,11 @@
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* otherwise false
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*/
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static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev,
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- struct br2684_vcc *brvcc)
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+ struct br2684_vcc *brvcc)
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{
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struct atm_vcc *atmvcc;
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int minheadroom = (brvcc->encaps == e_llc) ? 10 : 2;
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+
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if (skb_headroom(skb) < minheadroom) {
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struct sk_buff *skb2 = skb_realloc_headroom(skb, minheadroom);
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brvcc->copies_needed++;
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@@ -146,23 +164,48 @@
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}
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skb = skb2;
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}
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- skb_push(skb, minheadroom);
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- if (brvcc->encaps == e_llc)
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- skb_copy_to_linear_data(skb, llc_oui_pid_pad, 10);
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- else
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- memset(skb->data, 0, 2);
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+
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+ if (brvcc->encaps == e_llc) {
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+ if (brdev->payload == p_bridged) {
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+ skb_push(skb, sizeof(llc_oui_pid_pad));
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+ skb_copy_to_linear_data(skb, llc_oui_pid_pad,
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+ sizeof(llc_oui_pid_pad));
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+ } else if (brdev->payload == p_routed) {
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+ unsigned short prot = ntohs(skb->protocol);
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+
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+ skb_push(skb, sizeof(llc_oui_ipv4));
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+ switch (prot) {
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+ case ETH_P_IP:
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+ skb_copy_to_linear_data(skb, llc_oui_ipv4,
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+ sizeof(llc_oui_ipv4));
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+ break;
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+ case ETH_P_IPV6:
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+ skb_copy_to_linear_data(skb, llc_oui_ipv6,
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+ sizeof(llc_oui_ipv6));
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+ break;
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+ default:
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+ dev_kfree_skb(skb);
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+ return 0;
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+ }
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+ }
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+ } else {
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+ skb_push(skb, 2);
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+ if (brdev->payload == p_bridged)
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+ memset(skb->data, 0, 2);
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+ }
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skb_debug(skb);
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ATM_SKB(skb)->vcc = atmvcc = brvcc->atmvcc;
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pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc, atmvcc->dev);
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if (!atm_may_send(atmvcc, skb->truesize)) {
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- /* we free this here for now, because we cannot know in a higher
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- layer whether the skb point it supplied wasn't freed yet.
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- now, it always is.
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- */
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+ /*
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+ * We free this here for now, because we cannot know in a higher
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+ * layer whether the skb pointer it supplied wasn't freed yet.
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+ * Now, it always is.
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+ */
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dev_kfree_skb(skb);
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return 0;
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- }
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+ }
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atomic_add(skb->truesize, &sk_atm(atmvcc)->sk_wmem_alloc);
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ATM_SKB(skb)->atm_options = atmvcc->atm_options;
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brdev->stats.tx_packets++;
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@@ -172,10 +215,9 @@
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}
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static inline struct br2684_vcc *pick_outgoing_vcc(struct sk_buff *skb,
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- struct br2684_dev *brdev)
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+ struct br2684_dev *brdev)
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{
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- return list_empty(&brdev->brvccs) ? NULL :
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- list_entry_brvcc(brdev->brvccs.next); /* 1 vcc/dev right now */
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+ return list_empty(&brdev->brvccs) ? NULL : list_entry_brvcc(brdev->brvccs.next); /* 1 vcc/dev right now */
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}
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static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
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@@ -199,11 +241,10 @@
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/*
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* We should probably use netif_*_queue() here, but that
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* involves added complication. We need to walk before
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- * we can run
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+ * we can run.
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+ *
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+ * Don't free here! this pointer might be no longer valid!
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*/
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- /* don't free here! this pointer might be no longer valid!
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- dev_kfree_skb(skb);
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- */
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brdev->stats.tx_errors++;
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brdev->stats.tx_fifo_errors++;
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}
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@@ -217,12 +258,11 @@
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return &BRPRIV(dev)->stats;
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}
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-
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/*
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* We remember when the MAC gets set, so we don't override it later with
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* the ESI of the ATM card of the first VC
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*/
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-static int (*my_eth_mac_addr)(struct net_device *, void *);
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+static int (*my_eth_mac_addr) (struct net_device *, void *);
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static int br2684_mac_addr(struct net_device *dev, void *p)
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{
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int err = my_eth_mac_addr(dev, p);
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@@ -233,7 +273,7 @@
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#ifdef CONFIG_ATM_BR2684_IPFILTER
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/* this IOCTL is experimental. */
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-static int br2684_setfilt(struct atm_vcc *atmvcc, void __user *arg)
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+static int br2684_setfilt(struct atm_vcc *atmvcc, void __user * arg)
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{
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struct br2684_vcc *brvcc;
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struct br2684_filter_set fs;
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@@ -243,13 +283,12 @@
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if (fs.ifspec.method != BR2684_FIND_BYNOTHING) {
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/*
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* This is really a per-vcc thing, but we can also search
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- * by device
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+ * by device.
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*/
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struct br2684_dev *brdev;
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read_lock(&devs_lock);
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brdev = BRPRIV(br2684_find_dev(&fs.ifspec));
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- if (brdev == NULL || list_empty(&brdev->brvccs) ||
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- brdev->brvccs.next != brdev->brvccs.prev) /* >1 VCC */
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+ if (brdev == NULL || list_empty(&brdev->brvccs) || brdev->brvccs.next != brdev->brvccs.prev) /* >1 VCC */
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brvcc = NULL;
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else
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brvcc = list_entry_brvcc(brdev->brvccs.next);
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@@ -267,15 +306,16 @@
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packet_fails_filter(__be16 type, struct br2684_vcc *brvcc, struct sk_buff *skb)
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{
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if (brvcc->filter.netmask == 0)
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- return 0; /* no filter in place */
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+ return 0; /* no filter in place */
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if (type == htons(ETH_P_IP) &&
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- (((struct iphdr *) (skb->data))->daddr & brvcc->filter.
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+ (((struct iphdr *)(skb->data))->daddr & brvcc->filter.
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netmask) == brvcc->filter.prefix)
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return 0;
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if (type == htons(ETH_P_ARP))
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return 0;
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- /* TODO: we should probably filter ARPs too.. don't want to have
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- * them returning values that don't make sense, or is that ok?
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+ /*
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+ * TODO: we should probably filter ARPs too.. don't want to have
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+ * them returning values that don't make sense, or is that ok?
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*/
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return 1; /* drop */
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}
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@@ -299,7 +339,6 @@
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struct br2684_vcc *brvcc = BR2684_VCC(atmvcc);
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struct net_device *net_dev = brvcc->device;
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struct br2684_dev *brdev = BRPRIV(net_dev);
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- int plen = sizeof(llc_oui_pid_pad) + ETH_HLEN;
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pr_debug("br2684_push\n");
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@@ -320,35 +359,58 @@
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atm_return(atmvcc, skb->truesize);
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pr_debug("skb from brdev %p\n", brdev);
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if (brvcc->encaps == e_llc) {
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- /* let us waste some time for checking the encapsulation.
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- Note, that only 7 char is checked so frames with a valid FCS
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- are also accepted (but FCS is not checked of course) */
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- if (memcmp(skb->data, llc_oui_pid_pad, 7)) {
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+
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+ if (skb->len > 7 && skb->data[7] == 0x01)
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+ __skb_trim(skb, skb->len - 4);
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+
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+ /* accept packets that have "ipv[46]" in the snap header */
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+ if ((skb->len >= (sizeof(llc_oui_ipv4)))
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+ &&
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+ (memcmp
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+ (skb->data, llc_oui_ipv4,
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+ sizeof(llc_oui_ipv4) - BR2684_ETHERTYPE_LEN) == 0)) {
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+ if (memcmp
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+ (skb->data + 6, ethertype_ipv6,
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+ sizeof(ethertype_ipv6)) == 0)
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+ skb->protocol = __constant_htons(ETH_P_IPV6);
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+ else if (memcmp
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+ (skb->data + 6, ethertype_ipv4,
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+ sizeof(ethertype_ipv4)) == 0)
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+ skb->protocol = __constant_htons(ETH_P_IP);
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+ else {
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+ brdev->stats.rx_errors++;
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+ dev_kfree_skb(skb);
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+ return;
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+ }
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+ skb_pull(skb, sizeof(llc_oui_ipv4));
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+ skb_reset_network_header(skb);
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+ skb->pkt_type = PACKET_HOST;
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+ /*
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+ * Let us waste some time for checking the encapsulation.
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+ * Note, that only 7 char is checked so frames with a valid FCS
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+ * are also accepted (but FCS is not checked of course).
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+ */
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+ } else if ((skb->len >= sizeof(llc_oui_pid_pad)) &&
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+ (memcmp(skb->data, llc_oui_pid_pad, 7) == 0)) {
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+ skb_pull(skb, sizeof(llc_oui_pid_pad));
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+ skb->protocol = eth_type_trans(skb, net_dev);
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+ } else {
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brdev->stats.rx_errors++;
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dev_kfree_skb(skb);
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return;
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}
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- /* Strip FCS if present */
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- if (skb->len > 7 && skb->data[7] == 0x01)
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- __skb_trim(skb, skb->len - 4);
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} else {
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- plen = PADLEN + ETH_HLEN; /* pad, dstmac,srcmac, ethtype */
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/* first 2 chars should be 0 */
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if (*((u16 *) (skb->data)) != 0) {
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brdev->stats.rx_errors++;
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dev_kfree_skb(skb);
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return;
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}
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- }
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- if (skb->len < plen) {
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- brdev->stats.rx_errors++;
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|
- dev_kfree_skb(skb); /* dev_ not needed? */
|
|
- return;
|
|
+ skb_pull(skb, BR2684_PAD_LEN + ETH_HLEN); /* pad, dstmac, srcmac, ethtype */
|
|
+ skb->protocol = eth_type_trans(skb, net_dev);
|
|
}
|
|
|
|
- skb_pull(skb, plen - ETH_HLEN);
|
|
- skb->protocol = eth_type_trans(skb, net_dev);
|
|
#ifdef CONFIG_ATM_BR2684_IPFILTER
|
|
if (unlikely(packet_fails_filter(skb->protocol, brvcc, skb))) {
|
|
brdev->stats.rx_dropped++;
|
|
@@ -372,11 +434,12 @@
|
|
netif_rx(skb);
|
|
}
|
|
|
|
-static int br2684_regvcc(struct atm_vcc *atmvcc, void __user *arg)
|
|
+/*
|
|
+ * Assign a vcc to a dev
|
|
+ * Note: we do not have explicit unassign, but look at _push()
|
|
+ */
|
|
+static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
|
|
{
|
|
-/* assign a vcc to a dev
|
|
-Note: we do not have explicit unassign, but look at _push()
|
|
-*/
|
|
int err;
|
|
struct br2684_vcc *brvcc;
|
|
struct sk_buff *skb;
|
|
@@ -395,7 +458,7 @@
|
|
net_dev = br2684_find_dev(&be.ifspec);
|
|
if (net_dev == NULL) {
|
|
printk(KERN_ERR
|
|
- "br2684: tried to attach to non-existant device\n");
|
|
+ "br2684: tried to attach to non-existant device\n");
|
|
err = -ENXIO;
|
|
goto error;
|
|
}
|
|
@@ -411,13 +474,15 @@
|
|
}
|
|
if (be.fcs_in != BR2684_FCSIN_NO || be.fcs_out != BR2684_FCSOUT_NO ||
|
|
be.fcs_auto || be.has_vpiid || be.send_padding || (be.encaps !=
|
|
- BR2684_ENCAPS_VC && be.encaps != BR2684_ENCAPS_LLC) ||
|
|
- be.min_size != 0) {
|
|
+ BR2684_ENCAPS_VC
|
|
+ && be.encaps !=
|
|
+ BR2684_ENCAPS_LLC)
|
|
+ || be.min_size != 0) {
|
|
err = -EINVAL;
|
|
goto error;
|
|
}
|
|
- pr_debug("br2684_regvcc vcc=%p, encaps=%d, brvcc=%p\n", atmvcc, be.encaps,
|
|
- brvcc);
|
|
+ pr_debug("br2684_regvcc vcc=%p, encaps=%d, brvcc=%p\n", atmvcc,
|
|
+ be.encaps, brvcc);
|
|
if (list_empty(&brdev->brvccs) && !brdev->mac_was_set) {
|
|
unsigned char *esi = atmvcc->dev->esi;
|
|
if (esi[0] | esi[1] | esi[2] | esi[3] | esi[4] | esi[5])
|
|
@@ -430,7 +495,7 @@
|
|
brvcc->device = net_dev;
|
|
brvcc->atmvcc = atmvcc;
|
|
atmvcc->user_back = brvcc;
|
|
- brvcc->encaps = (enum br2684_encaps) be.encaps;
|
|
+ brvcc->encaps = (enum br2684_encaps)be.encaps;
|
|
brvcc->old_push = atmvcc->push;
|
|
barrier();
|
|
atmvcc->push = br2684_push;
|
|
@@ -461,7 +526,7 @@
|
|
}
|
|
__module_get(THIS_MODULE);
|
|
return 0;
|
|
- error:
|
|
+ error:
|
|
write_unlock_irq(&devs_lock);
|
|
kfree(brvcc);
|
|
return err;
|
|
@@ -482,25 +547,52 @@
|
|
INIT_LIST_HEAD(&brdev->brvccs);
|
|
}
|
|
|
|
-static int br2684_create(void __user *arg)
|
|
+static void br2684_setup_routed(struct net_device *netdev)
|
|
+{
|
|
+ struct br2684_dev *brdev = BRPRIV(netdev);
|
|
+ brdev->net_dev = netdev;
|
|
+
|
|
+ netdev->hard_header_len = 0;
|
|
+ my_eth_mac_addr = netdev->set_mac_address;
|
|
+ netdev->set_mac_address = br2684_mac_addr;
|
|
+ netdev->hard_start_xmit = br2684_start_xmit;
|
|
+ netdev->get_stats = br2684_get_stats;
|
|
+ netdev->addr_len = 0;
|
|
+ netdev->mtu = 1500;
|
|
+ netdev->type = ARPHRD_PPP;
|
|
+ netdev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
|
|
+ netdev->tx_queue_len = 100;
|
|
+ INIT_LIST_HEAD(&brdev->brvccs);
|
|
+}
|
|
+
|
|
+static int br2684_create(void __user * arg)
|
|
{
|
|
int err;
|
|
struct net_device *netdev;
|
|
struct br2684_dev *brdev;
|
|
struct atm_newif_br2684 ni;
|
|
+ enum br2684_payload payload;
|
|
|
|
pr_debug("br2684_create\n");
|
|
|
|
if (copy_from_user(&ni, arg, sizeof ni)) {
|
|
return -EFAULT;
|
|
}
|
|
+
|
|
+ if (ni.media & BR2684_FLAG_ROUTED)
|
|
+ payload = p_routed;
|
|
+ else
|
|
+ payload = p_bridged;
|
|
+ ni.media &= 0xffff; /* strip flags */
|
|
+
|
|
if (ni.media != BR2684_MEDIA_ETHERNET || ni.mtu != 1500) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
netdev = alloc_netdev(sizeof(struct br2684_dev),
|
|
ni.ifname[0] ? ni.ifname : "nas%d",
|
|
- br2684_setup);
|
|
+ (payload == p_routed) ?
|
|
+ br2684_setup_routed : br2684_setup);
|
|
if (!netdev)
|
|
return -ENOMEM;
|
|
|
|
@@ -516,6 +608,7 @@
|
|
}
|
|
|
|
write_lock_irq(&devs_lock);
|
|
+ brdev->payload = payload;
|
|
brdev->number = list_empty(&br2684_devs) ? 1 :
|
|
BRPRIV(list_entry_brdev(br2684_devs.prev))->number + 1;
|
|
list_add_tail(&brdev->br2684_devs, &br2684_devs);
|
|
@@ -528,16 +621,16 @@
|
|
* -ENOIOCTLCMD for any unrecognized ioctl
|
|
*/
|
|
static int br2684_ioctl(struct socket *sock, unsigned int cmd,
|
|
- unsigned long arg)
|
|
+ unsigned long arg)
|
|
{
|
|
struct atm_vcc *atmvcc = ATM_SD(sock);
|
|
void __user *argp = (void __user *)arg;
|
|
+ atm_backend_t b;
|
|
|
|
int err;
|
|
- switch(cmd) {
|
|
+ switch (cmd) {
|
|
case ATM_SETBACKEND:
|
|
- case ATM_NEWBACKENDIF: {
|
|
- atm_backend_t b;
|
|
+ case ATM_NEWBACKENDIF:
|
|
err = get_user(b, (atm_backend_t __user *) argp);
|
|
if (err)
|
|
return -EFAULT;
|
|
@@ -549,7 +642,6 @@
|
|
return br2684_regvcc(atmvcc, argp);
|
|
else
|
|
return br2684_create(argp);
|
|
- }
|
|
#ifdef CONFIG_ATM_BR2684_IPFILTER
|
|
case BR2684_SETFILT:
|
|
if (atmvcc->push != br2684_push)
|
|
@@ -557,6 +649,7 @@
|
|
if (!capable(CAP_NET_ADMIN))
|
|
return -EPERM;
|
|
err = br2684_setfilt(atmvcc, argp);
|
|
+
|
|
return err;
|
|
#endif /* CONFIG_ATM_BR2684_IPFILTER */
|
|
}
|
|
@@ -564,24 +657,25 @@
|
|
}
|
|
|
|
static struct atm_ioctl br2684_ioctl_ops = {
|
|
- .owner = THIS_MODULE,
|
|
- .ioctl = br2684_ioctl,
|
|
+ .owner = THIS_MODULE,
|
|
+ .ioctl = br2684_ioctl,
|
|
};
|
|
|
|
-
|
|
#ifdef CONFIG_PROC_FS
|
|
-static void *br2684_seq_start(struct seq_file *seq, loff_t *pos)
|
|
+static void *br2684_seq_start(struct seq_file *seq, loff_t * pos)
|
|
+ __acquires(devs_lock)
|
|
{
|
|
read_lock(&devs_lock);
|
|
return seq_list_start(&br2684_devs, *pos);
|
|
}
|
|
|
|
-static void *br2684_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
|
+static void *br2684_seq_next(struct seq_file *seq, void *v, loff_t * pos)
|
|
{
|
|
return seq_list_next(v, &br2684_devs, pos);
|
|
}
|
|
|
|
static void br2684_seq_stop(struct seq_file *seq, void *v)
|
|
+ __releases(devs_lock)
|
|
{
|
|
read_unlock(&devs_lock);
|
|
}
|
|
@@ -589,7 +683,7 @@
|
|
static int br2684_seq_show(struct seq_file *seq, void *v)
|
|
{
|
|
const struct br2684_dev *brdev = list_entry(v, struct br2684_dev,
|
|
- br2684_devs);
|
|
+ br2684_devs);
|
|
const struct net_device *net_dev = brdev->net_dev;
|
|
const struct br2684_vcc *brvcc;
|
|
DECLARE_MAC_BUF(mac);
|
|
@@ -601,21 +695,19 @@
|
|
brdev->mac_was_set ? "set" : "auto");
|
|
|
|
list_for_each_entry(brvcc, &brdev->brvccs, brvccs) {
|
|
- seq_printf(seq, " vcc %d.%d.%d: encaps=%s"
|
|
- ", failed copies %u/%u"
|
|
- "\n", brvcc->atmvcc->dev->number,
|
|
- brvcc->atmvcc->vpi, brvcc->atmvcc->vci,
|
|
- (brvcc->encaps == e_llc) ? "LLC" : "VC"
|
|
- , brvcc->copies_failed
|
|
- , brvcc->copies_needed
|
|
- );
|
|
+ seq_printf(seq, " vcc %d.%d.%d: encaps=%s payload=%s"
|
|
+ ", failed copies %u/%u"
|
|
+ "\n", brvcc->atmvcc->dev->number,
|
|
+ brvcc->atmvcc->vpi, brvcc->atmvcc->vci,
|
|
+ (brvcc->encaps == e_llc) ? "LLC" : "VC",
|
|
+ (brdev->payload == p_bridged) ? "bridged" : "routed",
|
|
+ brvcc->copies_failed, brvcc->copies_needed);
|
|
#ifdef CONFIG_ATM_BR2684_IPFILTER
|
|
#define b1(var, byte) ((u8 *) &brvcc->filter.var)[byte]
|
|
#define bs(var) b1(var, 0), b1(var, 1), b1(var, 2), b1(var, 3)
|
|
- if (brvcc->filter.netmask != 0)
|
|
- seq_printf(seq, " filter=%d.%d.%d.%d/"
|
|
- "%d.%d.%d.%d\n",
|
|
- bs(prefix), bs(netmask));
|
|
+ if (brvcc->filter.netmask != 0)
|
|
+ seq_printf(seq, " filter=%d.%d.%d.%d/"
|
|
+ "%d.%d.%d.%d\n", bs(prefix), bs(netmask));
|
|
#undef bs
|
|
#undef b1
|
|
#endif /* CONFIG_ATM_BR2684_IPFILTER */
|
|
@@ -625,9 +717,9 @@
|
|
|
|
static const struct seq_operations br2684_seq_ops = {
|
|
.start = br2684_seq_start,
|
|
- .next = br2684_seq_next,
|
|
- .stop = br2684_seq_stop,
|
|
- .show = br2684_seq_show,
|
|
+ .next = br2684_seq_next,
|
|
+ .stop = br2684_seq_stop,
|
|
+ .show = br2684_seq_show,
|
|
};
|
|
|
|
static int br2684_proc_open(struct inode *inode, struct file *file)
|
|
@@ -636,26 +728,28 @@
|
|
}
|
|
|
|
static const struct file_operations br2684_proc_ops = {
|
|
- .owner = THIS_MODULE,
|
|
- .open = br2684_proc_open,
|
|
- .read = seq_read,
|
|
- .llseek = seq_lseek,
|
|
+ .owner = THIS_MODULE,
|
|
+ .open = br2684_proc_open,
|
|
+ .read = seq_read,
|
|
+ .llseek = seq_lseek,
|
|
.release = seq_release,
|
|
};
|
|
|
|
extern struct proc_dir_entry *atm_proc_root; /* from proc.c */
|
|
-#endif
|
|
+#endif /* CONFIG_PROC_FS */
|
|
|
|
static int __init br2684_init(void)
|
|
{
|
|
#ifdef CONFIG_PROC_FS
|
|
struct proc_dir_entry *p;
|
|
+
|
|
if ((p = create_proc_entry("br2684", 0, atm_proc_root)) == NULL)
|
|
- return -ENOMEM;
|
|
- p->proc_fops = &br2684_proc_ops;
|
|
+ return -ENOMEM;
|
|
+ p->proc_fops = &br2684_proc_ops;
|
|
#endif
|
|
- register_atm_ioctl(&br2684_ioctl_ops);
|
|
- return 0;
|
|
+ register_atm_ioctl(&br2684_ioctl_ops);
|
|
+ return 0;
|
|
+
|
|
}
|
|
|
|
static void __exit br2684_exit(void)
|
|
@@ -689,3 +783,4 @@
|
|
MODULE_AUTHOR("Marcell GAL");
|
|
MODULE_DESCRIPTION("RFC2684 bridged protocols over ATM/AAL5");
|
|
MODULE_LICENSE("GPL");
|
|
+
|