mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-21 09:11:54 +00:00
Cleanup in sysdep KRT code, part 2.
Remove support for historic Linux kernels, merge krt-iface, krt-set and krt-scan stub headers.
This commit is contained in:
Ondrej Zajicek
parent
396dfa9042
commit
f1aceff59b
17
aclocal.m4
vendored
17
aclocal.m4
vendored
@ -133,23 +133,6 @@ if test "$bird_cv_struct_ip_mreqn" = yes ; then
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fi
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])
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AC_DEFUN(BIRD_CHECK_LINUX_VERSION,
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[AC_CACHE_CHECK([Linux kernel version], bird_cv_sys_linux_version, [
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AC_REQUIRE_CPP()dnl
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cat > conftest.$ac_ext <<EOF
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[#]line __oline__ "configure"
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#include "confdefs.h"
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#include <linux/version.h>
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VERSION: UTS_RELEASE
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EOF
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bird_cv_sys_linux_version=`eval "$ac_cpp conftest.$ac_ext" 2>&AC_FD_CC | sed '/^VERSION/!d;s/^VERSION: "//;s/".*//'`
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rm -rf conftest*
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if test -z "$bird_cv_sys_linux_version" ; then
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AC_MSG_RESULT([unknown])
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AC_MSG_ERROR([Cannot determine kernel version])
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fi
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])])
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AC_DEFUN(BIRD_CHECK_GCC_OPTIONS,
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[AC_CACHE_VAL(bird_cv_c_option_no_pointer_sign, [
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cat >conftest.c <<EOF
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14
configure.in
14
configure.in
@ -105,19 +105,11 @@ elif test -f sysconfig.h ; then
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sysdesc=sysconfig
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else
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case "$ip:$host_os" in
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ipv4:linux*) BIRD_CHECK_LINUX_VERSION
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ipv6:linux*) sysdesc=linux-v6
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default_iproutedir="/etc/iproute2"
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case $bird_cv_sys_linux_version in
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1.*|2.0.*) sysdesc=linux-20 ;;
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*) sysdesc=linux-22 ;;
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esac
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;;
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ipv6:linux*) BIRD_CHECK_LINUX_VERSION
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ipv4:linux*) sysdesc=linux
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default_iproutedir="/etc/iproute2"
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case $bird_cv_sys_linux_version in
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1.*|2.0.*) AC_MSG_ERROR([This version of Linux doesn't support IPv6.]) ;;
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*) sysdesc=linux-v6 ;;
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esac
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;;
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ipv6:netbsd*) sysdesc=bsd-v6
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CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
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@ -180,7 +172,7 @@ AC_MSG_RESULT(ok)
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AC_SUBST(protocols)
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case $sysdesc in
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*/linux-22*|*/linux-v6*)
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*/linux*|*/linux-v6*)
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AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[
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#include <asm/types.h>
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#include <sys/socket.h>
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@ -15,7 +15,6 @@
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#include "lib/string.h"
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#include "filter/filter.h"
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// static inline void put_as(byte *data, u32 as) { put_u32(data, as); }
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// static inline u32 get_as(byte *data) { return get_u32(data); }
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@ -1,6 +1,3 @@
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krt-scan.h
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krt-iface.h
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sysio.h
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krt-set.h
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krt-sock.c
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krt-sock.h
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krt-sys.h
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sysio.h
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@ -1,33 +0,0 @@
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/*
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* BIRD -- Unix Kernel Socket Route Syncer -- Dummy Include File
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*
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* (c) 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_KRT_IFACE_H_
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#define _BIRD_KRT_IFACE_H_
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/*
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* We don't have split iface/scan/set parts. See krt-sock.h.
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*/
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struct kif_params {
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};
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struct kif_status {
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};
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static inline void kif_sys_init(struct kif_proto *p UNUSED) { }
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static inline int kif_sys_reconfigure(struct kif_proto *p UNUSED, struct kif_config *n UNUSED, struct kif_config *o UNUSED) { return 1; }
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static inline void kif_sys_preconfig(struct config *c UNUSED) { }
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static inline void kif_sys_postconfig(struct kif_config *c UNUSED) { }
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static inline void kif_sys_init_config(struct kif_config *c UNUSED) { }
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static inline void kif_sys_copy_config(struct kif_config *d UNUSED, struct kif_config *s UNUSED) { }
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static inline void kif_sys_io_init(void) { }
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#endif
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@ -1,30 +0,0 @@
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/*
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* BIRD -- *BSD Kernel Route Syncer -- Scanning
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*
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* (c) 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_KRT_SCAN_H_
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#define _BIRD_KRT_SCAN_H_
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struct krt_scan_params {
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};
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struct krt_scan_status {
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};
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static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
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static inline int krt_sys_reconfigure(struct krt_proto *p UNUSED, struct krt_config *n UNUSED, struct krt_config *o UNUSED) { return 1; }
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static inline void krt_sys_preconfig(struct config *c UNUSED) { }
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static inline void krt_sys_postconfig(struct krt_config *c UNUSED) { }
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static inline void krt_sys_init_config(struct krt_config *c UNUSED) { }
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static inline void krt_sys_copy_config(struct krt_config *d UNUSED, struct krt_config *s UNUSED) { }
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#endif
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@ -1,17 +0,0 @@
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/*
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* BIRD -- Unix Kernel Socket Route Syncer -- Dummy Include File
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*
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* (c) 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_KRT_SET_H_
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#define _BIRD_KRT_SET_H_
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/*
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* We don't have split iface/scan/set parts. See krt-sock.h.
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*/
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#include "lib/krt-sock.h"
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#endif
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@ -1,23 +0,0 @@
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/*
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* BIRD -- Unix Kernel Route Syncer -- Setting
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*
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* (c) 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_KRT_SOCK_H_
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#define _BIRD_KRT_SOCK_H_
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struct krt_params {
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};
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struct krt_status {
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};
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static inline int krt_set_params_same(struct krt_set_params *o UNUSED, struct krt_set_params *n UNUSED) { return 1; }
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static inline void krt_set_copy_params(struct krt_set_params *d UNUSED, struct krt_set_params *s UNUSED) { }
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void krt_read_msg(struct proto *p, struct ks_msg *msg, int scan);
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#endif
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@ -5,19 +5,9 @@ CONFIG_AUTO_ROUTES Device routes are added automagically by the kernel
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CONFIG_SELF_CONSCIOUS We're able to recognize whether route was installed by us
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CONFIG_MULTIPLE_TABLES The kernel supports multiple routing tables
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CONFIG_ALL_TABLES_AT_ONCE Kernel scanner wants to process all tables at once
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CONFIG_MC_PROPER_SRC Multicast packets have source address according to socket saddr field
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CONFIG_RESTRICTED_PRIVILEGES Implements restricted privileges using drop_uid()
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CONFIG_UNIX_IFACE Use Unix interface scanner
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CONFIG_UNIX_SET Use Unix route setting
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CONFIG_UNIX_DONTROUTE Use setsockopts DONTROUTE (undef for *BSD)
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CONFIG_SKIP_MC_BIND Don't call bind on multicast socket (def for *BSD)
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CONFIG_LINUX_SCAN Use Linux /proc/net/route scanner
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CONFIG_ALL_MULTICAST krt-iface: All devices support multicasting (i.e., ignore IFF_MULTICAST)
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CONFIG_UNNUM_MULTICAST krt-iface: We support multicasts on unnumbered PtP devices
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CONFIG_LINUX_MC_MREQN Linux: Use struct mreqn for multicasting
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CONFIG_LINUX_MC_MREQ Linux: Use struct mreq
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CONFIG_LINUX_MC_MREQ_BIND Linux: Use struct mreq and SO_BINDTODEVICE
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CONFIG_UNIX_DONTROUTE Use setsockopts DONTROUTE (undef for *BSD)
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CONFIG_RESTRICTED_PRIVILEGES Implements restricted privileges using drop_uid()
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@ -10,14 +10,8 @@
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#define CONFIG_AUTO_ROUTES
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#define CONFIG_SELF_CONSCIOUS
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#undef CONFIG_MULTIPLE_TABLES
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#undef CONFIG_UNIX_IFACE
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#undef CONFIG_UNIX_SET
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#define CONFIG_SKIP_MC_BIND
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#define CONFIG_ALL_MULTICAST
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#define CONFIG_UNNUM_MULTICAST
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/*
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Link: sysdep/unix
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@ -8,15 +8,8 @@
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#define CONFIG_AUTO_ROUTES
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#define CONFIG_SELF_CONSCIOUS
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#undef CONFIG_MULTIPLE_TABLES
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#undef CONFIG_UNIX_IFACE
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#undef CONFIG_UNIX_SET
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#undef CONFIG_UNIX_DONTROUTE
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#define CONFIG_SKIP_MC_BIND
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#define CONFIG_ALL_MULTICAST
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#define CONFIG_UNNUM_MULTICAST
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/*
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Link: sysdep/unix
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@ -1,26 +0,0 @@
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/*
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* Configuration for Linux 2.0 based systems
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#undef CONFIG_AUTO_ROUTES
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#undef CONFIG_SELF_CONSCIOUS
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#undef CONFIG_MULTIPLE_TABLES
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#define CONFIG_UNIX_IFACE
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#define CONFIG_UNIX_SET
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#define CONFIG_UNIX_DONTROUTE
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#undef CONFIG_SKIP_MC_BIND
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#define CONFIG_LINUX_SCAN
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#define CONFIG_LINUX_MC_MREQ_BIND
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#define CONFIG_ALL_MULTICAST
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#define CONFIG_UNNUM_MULTICAST
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/*
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Link: sysdep/linux
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Link: sysdep/unix
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*/
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@ -1,26 +0,0 @@
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/*
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* Configuration for Linux 2.1/2.2 based systems without Netlink
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#define CONFIG_AUTO_ROUTES
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#undef CONFIG_SELF_CONSCIOUS
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#undef CONFIG_MULTIPLE_TABLES
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#define CONFIG_UNIX_IFACE
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#define CONFIG_UNIX_SET
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#define CONFIG_UNIX_DONTROUTE
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#undef CONFIG_SKIP_MC_BIND
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#define CONFIG_LINUX_SCAN
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#define CONFIG_LINUX_MC_MREQN
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#define CONFIG_ALL_MULTICAST
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#define CONFIG_UNNUM_MULTICAST
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/*
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Link: sysdep/linux
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Link: sysdep/unix
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*/
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@ -1,26 +0,0 @@
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/*
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* Configuration for Linux 2.2 based systems
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#define CONFIG_AUTO_ROUTES
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#define CONFIG_SELF_CONSCIOUS
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#define CONFIG_MULTIPLE_TABLES
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#define CONFIG_ALL_TABLES_AT_ONCE
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#define CONFIG_MC_PROPER_SRC
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#undef CONFIG_SKIP_MC_BIND
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#define CONFIG_LINUX_MC_MREQN
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#define CONFIG_UNIX_DONTROUTE
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#define CONFIG_RESTRICTED_PRIVILEGES
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/*
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Link: sysdep/linux/netlink
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Link: sysdep/linux
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Link: sysdep/unix
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*/
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@ -1,5 +1,5 @@
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/*
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* Configuration for Linux 2.2 based systems running IPv6
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* Configuration for Linux based systems running IPv6
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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@ -9,20 +9,13 @@
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#define IPV6
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#define CONFIG_AUTO_ROUTES
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#define CONFIG_ALL_MULTICAST
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#define CONFIG_SELF_CONSCIOUS
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/*
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* Netlink supports multiple tables, but kernel IPv6 code doesn't, so we
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* treat it as a multiple table system with number of tables set to 1.
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*/
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#define CONFIG_MULTIPLE_TABLES
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#define CONFIG_ALL_TABLES_AT_ONCE
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#define CONFIG_RESTRICTED_PRIVILEGES
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/*
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Link: sysdep/linux/netlink
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Link: sysdep/linux
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Link: sysdep/unix
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*/
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@ -1,6 +1,5 @@
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#ifdef CONFIG_LINUX_SCAN
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krt-scan.c
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krt-scan.h
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#endif
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krt-sys.h
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netlink.c
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netlink.Y
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sysio.h
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syspriv.h
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@ -1,199 +0,0 @@
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/*
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* BIRD -- Linux Routing Table Scanning
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
|
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <net/route.h>
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#undef LOCAL_DEBUG
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#include "nest/bird.h"
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#include "nest/route.h"
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#include "nest/protocol.h"
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#include "nest/iface.h"
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#include "lib/timer.h"
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#include "lib/unix.h"
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#include "lib/krt.h"
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#include "lib/string.h"
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static int krt_scan_fd = -1;
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|
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struct iface *
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krt_temp_iface(struct krt_proto *p, char *name)
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{
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struct iface *i;
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WALK_LIST(i, p->scan.temp_ifs)
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if (!strcmp(i->name, name))
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return i;
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i = mb_allocz(p->p.pool, sizeof(struct iface));
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strcpy(i->name, name);
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add_tail(&p->scan.temp_ifs, &i->n);
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return i;
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}
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static void
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krt_parse_entry(byte *ent, struct krt_proto *p)
|
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{
|
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u32 dest0, gw0, mask0;
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ip_addr dest, gw, mask;
|
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unsigned int flags;
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int masklen;
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net *net;
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byte *iface = ent;
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rte *e;
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if (sscanf(ent, "%*s\t%x\t%x\t%x\t%*d\t%*d\t%*d\t%x\t", &dest0, &gw0, &flags, &mask0) != 4)
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{
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log(L_ERR "krt read: unable to parse `%s'", ent);
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return;
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}
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while (*ent != '\t')
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ent++;
|
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*ent = 0;
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|
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dest = ipa_from_u32(dest0);
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ipa_ntoh(dest);
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gw = ipa_from_u32(gw0);
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ipa_ntoh(gw);
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mask = ipa_from_u32(mask0);
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ipa_ntoh(mask);
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if ((masklen = ipa_mklen(mask)) < 0)
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{
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log(L_ERR "krt read: invalid netmask %08x", mask0);
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return;
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}
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DBG("Got %I/%d via %I flags %x\n", dest, masklen, gw, flags);
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if (!(flags & RTF_UP))
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{
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DBG("Down.\n");
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return;
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}
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if (flags & RTF_HOST)
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masklen = 32;
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if (flags & (RTF_DYNAMIC | RTF_MODIFIED)) /* Redirect route */
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{
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log(L_WARN "krt: Ignoring redirect to %I/%d via %I", dest, masklen, gw);
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return;
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}
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net = net_get(p->p.table, dest, masklen);
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|
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rta a = {
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.proto = &p->p,
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.source = RTS_INHERIT,
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.scope = SCOPE_UNIVERSE,
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.cast = RTC_UNICAST
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};
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|
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if (flags & RTF_GATEWAY)
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{
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neighbor *ng = neigh_find(&p->p, &gw, 0);
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if (ng && ng->scope)
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a.iface = ng->iface;
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else
|
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{
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log(L_WARN "Kernel told us to use non-neighbor %I for %I/%d", gw, net->n.prefix, net->n.pxlen);
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return;
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}
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a.dest = RTD_ROUTER;
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a.gw = gw;
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}
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else if (flags & RTF_REJECT)
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{
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a.dest = RTD_UNREACHABLE;
|
||||
a.gw = IPA_NONE;
|
||||
}
|
||||
else if (isalpha(iface[0]))
|
||||
{
|
||||
a.dest = RTD_DEVICE;
|
||||
a.gw = IPA_NONE;
|
||||
a.iface = krt_temp_iface(p, iface);
|
||||
}
|
||||
else
|
||||
{
|
||||
log(L_WARN "Kernel reporting unknown route type to %I/%d", net->n.prefix, net->n.pxlen);
|
||||
return;
|
||||
}
|
||||
|
||||
e = rte_get_temp(&a);
|
||||
e->net = net;
|
||||
e->u.krt.src = KRT_SRC_UNKNOWN;
|
||||
krt_got_route(p, e);
|
||||
}
|
||||
|
||||
void
|
||||
krt_scan_fire(struct krt_proto *p)
|
||||
{
|
||||
byte buf[32768];
|
||||
int l, seen_hdr;
|
||||
|
||||
if (krt_scan_fd < 0)
|
||||
{
|
||||
krt_scan_fd = open("/proc/net/route", O_RDONLY);
|
||||
if (krt_scan_fd < 0)
|
||||
die("/proc/net/route: %m");
|
||||
}
|
||||
else if (lseek(krt_scan_fd, 0, SEEK_SET) < 0)
|
||||
{
|
||||
log(L_ERR "krt seek: %m");
|
||||
return;
|
||||
}
|
||||
seen_hdr = 0;
|
||||
while ((l = read(krt_scan_fd, buf, sizeof(buf))) > 0)
|
||||
{
|
||||
byte *z = buf;
|
||||
if (l & 127)
|
||||
{
|
||||
log(L_ERR "krt read: misaligned entry: l=%d", l);
|
||||
return;
|
||||
}
|
||||
while (l >= 128)
|
||||
{
|
||||
if (seen_hdr++)
|
||||
krt_parse_entry(z, p);
|
||||
z += 128;
|
||||
l -= 128;
|
||||
}
|
||||
}
|
||||
if (l < 0)
|
||||
{
|
||||
log(L_ERR "krt read: %m");
|
||||
return;
|
||||
}
|
||||
DBG("KRT scan done, seen %d lines\n", seen_hdr);
|
||||
}
|
||||
|
||||
void
|
||||
krt_scan_construct(struct krt_config *c)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
krt_scan_preconfig(struct config *c)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
krt_scan_postconfig(struct krt_config *c)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
krt_scan_start(struct krt_proto *x, int first)
|
||||
{
|
||||
init_list(&x->scan.temp_ifs);
|
||||
}
|
||||
|
||||
void
|
||||
krt_scan_shutdown(struct krt_proto *x, int last)
|
||||
{
|
||||
}
|
||||
@ -1,21 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Linux Kernel Route Syncer -- Scanning
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#ifndef _BIRD_KRT_SCAN_H_
|
||||
#define _BIRD_KRT_SCAN_H_
|
||||
|
||||
struct krt_scan_params {
|
||||
};
|
||||
|
||||
struct krt_scan_status {
|
||||
list temp_ifs; /* Temporary interfaces */
|
||||
};
|
||||
|
||||
static inline int krt_scan_params_same(struct krt_scan_params *o, struct krt_scan_params *n) { return 1; }
|
||||
|
||||
#endif
|
||||
@ -1,5 +0,0 @@
|
||||
krt-iface.h
|
||||
krt-set.h
|
||||
krt-scan.h
|
||||
netlink.c
|
||||
netlink.Y
|
||||
@ -1,33 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Unix Kernel Netlink Interface Syncer -- Dummy Include File
|
||||
*
|
||||
* (c) 1998--1999 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#ifndef _BIRD_KRT_IFACE_H_
|
||||
#define _BIRD_KRT_IFACE_H_
|
||||
|
||||
/*
|
||||
* We don't have split iface/scan/set parts. See krt-scan.h.
|
||||
*/
|
||||
|
||||
struct kif_params {
|
||||
};
|
||||
|
||||
struct kif_status {
|
||||
};
|
||||
|
||||
|
||||
static inline void kif_sys_init(struct kif_proto *p UNUSED) { }
|
||||
static inline int kif_sys_reconfigure(struct kif_proto *p UNUSED, struct kif_config *n UNUSED, struct kif_config *o UNUSED) { return 1; }
|
||||
|
||||
static inline void kif_sys_preconfig(struct config *c UNUSED) { }
|
||||
static inline void kif_sys_postconfig(struct kif_config *c UNUSED) { }
|
||||
static inline void kif_sys_init_config(struct kif_config *c UNUSED) { }
|
||||
static inline void kif_sys_copy_config(struct kif_config *d UNUSED, struct kif_config *s UNUSED) { }
|
||||
|
||||
static inline void kif_sys_io_init(void) { }
|
||||
|
||||
#endif
|
||||
@ -1,30 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Linux Kernel Netlink Route Syncer -- Scanning
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#ifndef _BIRD_KRT_SCAN_H_
|
||||
#define _BIRD_KRT_SCAN_H_
|
||||
|
||||
/*
|
||||
* We don't have split iface/scan/set for Netlink. All options
|
||||
* and run-time parameters are declared here instead of splitting
|
||||
* to krt-set.h, krt-iface.h and this file.
|
||||
*/
|
||||
|
||||
#define NL_NUM_TABLES 256
|
||||
|
||||
struct krt_params {
|
||||
int table_id; /* Kernel table ID we sync with */
|
||||
};
|
||||
|
||||
struct krt_status {
|
||||
};
|
||||
|
||||
|
||||
static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
|
||||
|
||||
#endif
|
||||
@ -1,28 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Unix Kernel Netlink Route Syncer -- Dummy Include File
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#ifndef _BIRD_KRT_SET_H_
|
||||
#define _BIRD_KRT_SET_H_
|
||||
|
||||
/*
|
||||
* We don't have split iface/scan/set parts. See krt-scan.h.
|
||||
*/
|
||||
|
||||
struct krt_set_params {
|
||||
};
|
||||
|
||||
struct krt_set_status {
|
||||
};
|
||||
|
||||
static inline void krt_set_construct(struct krt_config *c UNUSED) { };
|
||||
static inline void krt_set_start(struct krt_proto *p UNUSED, int first UNUSED) { };
|
||||
static inline void krt_set_shutdown(struct krt_proto *p UNUSED, int last UNUSED) { };
|
||||
static inline int krt_set_params_same(struct krt_set_params *o UNUSED, struct krt_set_params *n UNUSED) { return 1; }
|
||||
static inline void krt_set_copy_params(struct krt_set_params *d UNUSED, struct krt_set_params *s UNUSED) { }
|
||||
|
||||
#endif
|
||||
@ -1,32 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Linux Netlink Configuration
|
||||
*
|
||||
* (c) 1999--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
CF_HDR
|
||||
|
||||
CF_DECLS
|
||||
|
||||
CF_KEYWORDS(ASYNC, KERNEL, TABLE, KRT_PREFSRC, KRT_REALM)
|
||||
|
||||
CF_GRAMMAR
|
||||
|
||||
CF_ADDTO(kern_proto, kern_proto nl_item ';')
|
||||
|
||||
nl_item:
|
||||
KERNEL TABLE expr {
|
||||
if ($3 <= 0 || $3 >= NL_NUM_TABLES)
|
||||
cf_error("Kernel routing table number out of range");
|
||||
THIS_KRT->sys.table_id = $3;
|
||||
}
|
||||
;
|
||||
|
||||
CF_ADDTO(dynamic_attr, KRT_PREFSRC { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_KRT_PREFSRC); })
|
||||
CF_ADDTO(dynamic_attr, KRT_REALM { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_REALM); })
|
||||
|
||||
CF_CODE
|
||||
|
||||
CF_END
|
||||
File diff suppressed because it is too large
Load Diff
@ -57,45 +57,6 @@ get_inaddr(ip_addr *a, struct in_addr *ia)
|
||||
ipa_ntoh(*a);
|
||||
}
|
||||
|
||||
/*
|
||||
* Multicasting in Linux systems is a real mess. Not only different kernels
|
||||
* have different interfaces, but also different libc's export it in different
|
||||
* ways. Horrible.
|
||||
*/
|
||||
|
||||
|
||||
#if defined(CONFIG_LINUX_MC_MREQ) || defined(CONFIG_LINUX_MC_MREQ_BIND)
|
||||
/*
|
||||
* Older kernels support only struct mreq which matches interfaces by their
|
||||
* addresses and thus fails on unnumbered devices. On newer 2.0 kernels
|
||||
* we can use SO_BINDTODEVICE to circumvent this problem.
|
||||
*/
|
||||
|
||||
#define MREQ_IFA struct in_addr
|
||||
#define MREQ_GRP struct ip_mreq
|
||||
static inline void fill_mreq_ifa(struct in_addr *m, struct iface *ifa UNUSED, ip_addr saddr, ip_addr maddr UNUSED)
|
||||
{
|
||||
set_inaddr(m, saddr);
|
||||
}
|
||||
|
||||
static inline void fill_mreq_grp(struct ip_mreq *m, struct iface *ifa, ip_addr saddr, ip_addr maddr)
|
||||
{
|
||||
bzero(m, sizeof(*m));
|
||||
#ifdef CONFIG_LINUX_MC_MREQ_BIND
|
||||
m->imr_interface.s_addr = INADDR_ANY;
|
||||
#else
|
||||
set_inaddr(&m->imr_interface, saddr);
|
||||
#endif
|
||||
set_inaddr(&m->imr_multiaddr, maddr);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef CONFIG_LINUX_MC_MREQN
|
||||
/*
|
||||
* 2.1 and newer kernels use struct mreqn which passes ifindex, so no
|
||||
* problems with unnumbered devices.
|
||||
*/
|
||||
|
||||
#ifndef HAVE_STRUCT_IP_MREQN
|
||||
/* Several versions of glibc don't define this structure, so we have to do it ourselves */
|
||||
@ -107,24 +68,19 @@ struct ip_mreqn
|
||||
};
|
||||
#endif
|
||||
|
||||
#define MREQ_IFA struct ip_mreqn
|
||||
#define MREQ_GRP struct ip_mreqn
|
||||
#define fill_mreq_ifa fill_mreq
|
||||
#define fill_mreq_grp fill_mreq
|
||||
|
||||
static inline void fill_mreq(struct ip_mreqn *m, struct iface *ifa, ip_addr saddr, ip_addr maddr)
|
||||
static inline void fill_mreqn(struct ip_mreqn *m, struct iface *ifa, ip_addr saddr, ip_addr maddr)
|
||||
{
|
||||
bzero(m, sizeof(*m));
|
||||
m->imr_ifindex = ifa->index;
|
||||
set_inaddr(&m->imr_address, saddr);
|
||||
set_inaddr(&m->imr_multiaddr, maddr);
|
||||
}
|
||||
#endif
|
||||
|
||||
static inline char *
|
||||
sysio_setup_multicast(sock *s)
|
||||
{
|
||||
MREQ_IFA m;
|
||||
struct ip_mreqn m;
|
||||
int zero = 0;
|
||||
|
||||
if (setsockopt(s->fd, SOL_IP, IP_MULTICAST_LOOP, &zero, sizeof(zero)) < 0)
|
||||
@ -134,18 +90,15 @@ sysio_setup_multicast(sock *s)
|
||||
return "IP_MULTICAST_TTL";
|
||||
|
||||
/* This defines where should we send _outgoing_ multicasts */
|
||||
fill_mreq_ifa(&m, s->iface, s->saddr, IPA_NONE);
|
||||
fill_mreqn(&m, s->iface, s->saddr, IPA_NONE);
|
||||
if (setsockopt(s->fd, SOL_IP, IP_MULTICAST_IF, &m, sizeof(m)) < 0)
|
||||
return "IP_MULTICAST_IF";
|
||||
|
||||
#if defined(CONFIG_LINUX_MC_MREQ_BIND) || defined(CONFIG_LINUX_MC_MREQN)
|
||||
{
|
||||
struct ifreq ifr;
|
||||
strcpy(ifr.ifr_name, s->iface->name);
|
||||
if (setsockopt(s->fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0)
|
||||
return "SO_BINDTODEVICE";
|
||||
}
|
||||
#endif
|
||||
/* Is this necessary? */
|
||||
struct ifreq ifr;
|
||||
strcpy(ifr.ifr_name, s->iface->name);
|
||||
if (setsockopt(s->fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0)
|
||||
return "SO_BINDTODEVICE";
|
||||
|
||||
return NULL;
|
||||
}
|
||||
@ -153,10 +106,10 @@ sysio_setup_multicast(sock *s)
|
||||
static inline char *
|
||||
sysio_join_group(sock *s, ip_addr maddr)
|
||||
{
|
||||
MREQ_GRP m;
|
||||
struct ip_mreqn m;
|
||||
|
||||
/* And this one sets interface for _receiving_ multicasts from */
|
||||
fill_mreq_grp(&m, s->iface, s->saddr, maddr);
|
||||
fill_mreqn(&m, s->iface, s->saddr, maddr);
|
||||
if (setsockopt(s->fd, SOL_IP, IP_ADD_MEMBERSHIP, &m, sizeof(m)) < 0)
|
||||
return "IP_ADD_MEMBERSHIP";
|
||||
|
||||
@ -166,10 +119,10 @@ sysio_join_group(sock *s, ip_addr maddr)
|
||||
static inline char *
|
||||
sysio_leave_group(sock *s, ip_addr maddr)
|
||||
{
|
||||
MREQ_GRP m;
|
||||
struct ip_mreqn m;
|
||||
|
||||
/* And this one sets interface for _receiving_ multicasts from */
|
||||
fill_mreq_grp(&m, s->iface, s->saddr, maddr);
|
||||
fill_mreqn(&m, s->iface, s->saddr, maddr);
|
||||
if (setsockopt(s->fd, SOL_IP, IP_DROP_MEMBERSHIP, &m, sizeof(m)) < 0)
|
||||
return "IP_DROP_MEMBERSHIP";
|
||||
|
||||
|
||||
@ -10,13 +10,3 @@ random.c
|
||||
krt.c
|
||||
krt.h
|
||||
krt.Y
|
||||
|
||||
#ifdef CONFIG_UNIX_IFACE
|
||||
krt-iface.c
|
||||
krt-iface.h
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_UNIX_SET
|
||||
krt-set.c
|
||||
krt-set.h
|
||||
#endif
|
||||
|
||||
@ -950,7 +950,7 @@ int
|
||||
sk_join_group(sock *s, ip_addr maddr)
|
||||
{
|
||||
struct ipv6_mreq mreq;
|
||||
|
||||
|
||||
set_inaddr(&mreq.ipv6mr_multiaddr, maddr);
|
||||
|
||||
#ifdef CONFIG_IPV6_GLIBC_20
|
||||
|
||||
@ -1,228 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Unix Interface Scanning and Syncing
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
* (c) 2004 Ondrej Filip <feela@network.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <net/if.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <errno.h>
|
||||
|
||||
#undef LOCAL_DEBUG
|
||||
|
||||
#include "nest/bird.h"
|
||||
#include "nest/iface.h"
|
||||
#include "nest/route.h"
|
||||
#include "nest/protocol.h"
|
||||
#include "lib/timer.h"
|
||||
#include "lib/krt.h"
|
||||
#include "lib/string.h"
|
||||
|
||||
#include "unix.h"
|
||||
|
||||
int if_scan_sock = -1;
|
||||
|
||||
static void
|
||||
scan_ifs(struct ifreq *r, int cnt)
|
||||
{
|
||||
struct iface i, *pi;
|
||||
struct ifa a;
|
||||
char *err, *colon;
|
||||
unsigned fl;
|
||||
ip_addr netmask;
|
||||
int l, scope;
|
||||
sockaddr *sa;
|
||||
|
||||
if_start_update();
|
||||
for (cnt /= sizeof(struct ifreq); cnt; cnt--, r++)
|
||||
{
|
||||
int sec = 0;
|
||||
bzero(&i, sizeof(i));
|
||||
bzero(&a, sizeof(a));
|
||||
if (colon = strchr(r->ifr_name, ':'))
|
||||
{
|
||||
/* It's an alias -- let's interpret it as a secondary interface address */
|
||||
sec = 1;
|
||||
*colon = 0;
|
||||
}
|
||||
strncpy(i.name, r->ifr_name, sizeof(i.name) - 1);
|
||||
|
||||
if(ioctl(if_scan_sock, SIOCGIFADDR,r)<0) continue;
|
||||
|
||||
get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &a.ip, NULL, 1);
|
||||
if (ipa_nonzero(a.ip))
|
||||
{
|
||||
l = ipa_classify(a.ip);
|
||||
if (l < 0 || !(l & IADDR_HOST))
|
||||
{
|
||||
log(L_ERR "%s: Invalid interface address", i.name);
|
||||
a.ip = IPA_NONE;
|
||||
}
|
||||
else
|
||||
{
|
||||
a.scope = l & IADDR_SCOPE_MASK;
|
||||
if (a.scope == SCOPE_HOST)
|
||||
i.flags |= IF_LOOPBACK | IF_IGNORE;
|
||||
}
|
||||
}
|
||||
|
||||
if (ioctl(if_scan_sock, SIOCGIFFLAGS, r) < 0)
|
||||
{
|
||||
err = "SIOCGIFFLAGS";
|
||||
faulty:
|
||||
log(L_ERR "%s(%s): %m", err, i.name);
|
||||
bad:
|
||||
i.flags = (i.flags & ~IF_ADMIN_UP) | IF_SHUTDOWN;
|
||||
continue;
|
||||
}
|
||||
fl = r->ifr_flags;
|
||||
if (fl & IFF_UP)
|
||||
i.flags |= IF_ADMIN_UP;
|
||||
|
||||
if (ioctl(if_scan_sock, SIOCGIFNETMASK, r) < 0)
|
||||
{ err = "SIOCGIFNETMASK"; goto faulty; }
|
||||
get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &netmask, NULL, 0);
|
||||
l = ipa_mklen(netmask);
|
||||
if (l < 0)
|
||||
{
|
||||
log(L_ERR "%s: Invalid netmask (%x)", i.name, netmask);
|
||||
goto bad;
|
||||
}
|
||||
a.pxlen = l;
|
||||
|
||||
if (fl & IFF_POINTOPOINT)
|
||||
{
|
||||
a.flags |= IA_PEER;
|
||||
if (ioctl(if_scan_sock, SIOCGIFDSTADDR, r) < 0)
|
||||
{ err = "SIOCGIFDSTADDR"; goto faulty; }
|
||||
get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &a.opposite, NULL, 1);
|
||||
a.prefix = a.opposite;
|
||||
a.pxlen = BITS_PER_IP_ADDRESS;
|
||||
}
|
||||
else
|
||||
a.prefix = ipa_and(a.ip, ipa_mkmask(a.pxlen));
|
||||
if (fl & IFF_LOOPBACK)
|
||||
i.flags |= IF_LOOPBACK | IF_IGNORE;
|
||||
if (1
|
||||
#ifndef CONFIG_ALL_MULTICAST
|
||||
&& (fl & IFF_MULTICAST)
|
||||
#endif
|
||||
#ifndef CONFIG_UNNUM_MULTICAST
|
||||
&& !(a.flags & IA_PEER)
|
||||
#endif
|
||||
)
|
||||
i.flags |= IF_MULTICAST;
|
||||
|
||||
scope = ipa_classify(a.ip);
|
||||
if (scope < 0)
|
||||
{
|
||||
log(L_ERR "%s: Invalid address", i.name);
|
||||
goto bad;
|
||||
}
|
||||
a.scope = scope & IADDR_SCOPE_MASK;
|
||||
|
||||
if (a.pxlen < 32)
|
||||
{
|
||||
a.brd = ipa_or(a.prefix, ipa_not(ipa_mkmask(a.pxlen)));
|
||||
if (ipa_equal(a.ip, a.prefix) || ipa_equal(a.ip, a.brd))
|
||||
{
|
||||
log(L_ERR "%s: Using network or broadcast address for interface", i.name);
|
||||
goto bad;
|
||||
}
|
||||
if (fl & IFF_BROADCAST)
|
||||
i.flags |= IF_BROADCAST;
|
||||
if (a.pxlen < 30)
|
||||
i.flags |= IF_MULTIACCESS;
|
||||
if (a.pxlen == 30)
|
||||
ifa.opposite = ipa_opposite_m2(ifa.ip);
|
||||
if (a.pxlen == 31)
|
||||
ifa.opposite = ipa_opposite_m1(ifa.ip);
|
||||
}
|
||||
else
|
||||
a.brd = a.opposite;
|
||||
a.scope = SCOPE_UNIVERSE;
|
||||
|
||||
if (ioctl(if_scan_sock, SIOCGIFMTU, r) < 0)
|
||||
{ err = "SIOCGIFMTU"; goto faulty; }
|
||||
i.mtu = r->ifr_mtu;
|
||||
|
||||
#ifdef SIOCGIFINDEX
|
||||
if (ioctl(if_scan_sock, SIOCGIFINDEX, r) >= 0)
|
||||
i.index = r->ifr_ifindex;
|
||||
else if (errno != EINVAL)
|
||||
DBG("SIOCGIFINDEX failed: %m\n");
|
||||
else /* defined, but not supported by the kernel */
|
||||
#endif
|
||||
/*
|
||||
* The kernel doesn't give us real ifindices, but we still need them
|
||||
* at least for OSPF unnumbered links. So let's make them up ourselves.
|
||||
*/
|
||||
if (pi = if_find_by_name(i.name))
|
||||
i.index = pi->index;
|
||||
else
|
||||
{
|
||||
static int if_index_counter = 1;
|
||||
i.index = if_index_counter++;
|
||||
}
|
||||
|
||||
pi = NULL;
|
||||
if (sec)
|
||||
{
|
||||
a.flags |= IA_SECONDARY;
|
||||
pi = if_find_by_index(i.index);
|
||||
}
|
||||
if (!pi)
|
||||
pi = if_update(&i);
|
||||
a.iface = pi;
|
||||
ifa_update(&a);
|
||||
}
|
||||
if_end_update();
|
||||
}
|
||||
|
||||
void
|
||||
kif_do_scan(struct kif_proto *p)
|
||||
{
|
||||
struct ifconf ic;
|
||||
static int last_ifbuf_size = 4*sizeof(struct ifreq);
|
||||
int res;
|
||||
|
||||
for(;;)
|
||||
{
|
||||
ic.ifc_buf = alloca(last_ifbuf_size);
|
||||
ic.ifc_len = last_ifbuf_size;
|
||||
res = ioctl(if_scan_sock, SIOCGIFCONF, &ic);
|
||||
if (res < 0 && errno != EFAULT)
|
||||
die("SIOCCGIFCONF: %m");
|
||||
if (res >= 0 && ic.ifc_len <= last_ifbuf_size)
|
||||
break;
|
||||
last_ifbuf_size *= 2;
|
||||
DBG("Increased ifconf buffer size to %d\n", last_ifbuf_size);
|
||||
}
|
||||
scan_ifs(ic.ifc_req, ic.ifc_len);
|
||||
}
|
||||
|
||||
void
|
||||
kif_start(struct kif_proto *p)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
kif_shutdown(struct kif_proto *p)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
kif_io_init(void)
|
||||
{
|
||||
if_scan_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
|
||||
DBG("Using socket %d for interface and route scanning\n", if_scan_sock);
|
||||
if (if_scan_sock < 0)
|
||||
die("Cannot create scanning socket: %m");
|
||||
}
|
||||
|
||||
@ -1,29 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Unix Kernel Interface Syncer
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#ifndef _BIRD_KRT_IFACE_H_
|
||||
#define _BIRD_KRT_IFACE_H_
|
||||
|
||||
struct kif_params {
|
||||
};
|
||||
|
||||
struct kif_status {
|
||||
};
|
||||
|
||||
extern int if_scan_sock;
|
||||
|
||||
|
||||
static inline void kif_sys_init(struct kif_proto *p UNUSED) { }
|
||||
static inline int kif_sys_reconfigure(struct kif_proto *p UNUSED, struct kif_config *n UNUSED, struct kif_config *o UNUSED) { return 1; }
|
||||
|
||||
static inline void kif_sys_preconfig(struct config *c UNUSED) { }
|
||||
static inline void kif_sys_postconfig(struct kif_config *c UNUSED) { }
|
||||
static inline void kif_sys_init_config(struct kif_config *c UNUSED) { }
|
||||
static inline void kif_sys_copy_config(struct kif_config *d UNUSED, struct kif_config *s UNUSED) { }
|
||||
|
||||
#endif
|
||||
@ -1,112 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Unix Routing Table Syncing
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <net/route.h>
|
||||
|
||||
#undef LOCAL_DEBUG
|
||||
|
||||
#include "nest/bird.h"
|
||||
#include "nest/iface.h"
|
||||
#include "nest/route.h"
|
||||
#include "nest/protocol.h"
|
||||
#include "lib/unix.h"
|
||||
#include "lib/krt.h"
|
||||
#include "lib/string.h"
|
||||
|
||||
int
|
||||
krt_capable(rte *e)
|
||||
{
|
||||
rta *a = e->attrs;
|
||||
|
||||
#ifdef CONFIG_AUTO_ROUTES
|
||||
if (a->source == RTS_DEVICE)
|
||||
return 0;
|
||||
#endif
|
||||
return
|
||||
a->cast == RTC_UNICAST &&
|
||||
(a->dest == RTD_ROUTER
|
||||
|| a->dest == RTD_DEVICE
|
||||
#ifdef RTF_REJECT
|
||||
|| a->dest == RTD_UNREACHABLE
|
||||
#endif
|
||||
);
|
||||
}
|
||||
|
||||
static void
|
||||
krt_ioctl(int ioc, rte *e, char *name)
|
||||
{
|
||||
net *net = e->net;
|
||||
struct rtentry re;
|
||||
rta *a = e->attrs;
|
||||
|
||||
bzero(&re, sizeof(re));
|
||||
fill_in_sockaddr((struct sockaddr_in *) &re.rt_dst, net->n.prefix, 0);
|
||||
fill_in_sockaddr((struct sockaddr_in *) &re.rt_genmask, ipa_mkmask(net->n.pxlen), 0);
|
||||
re.rt_flags = RTF_UP;
|
||||
if (net->n.pxlen == 32)
|
||||
re.rt_flags |= RTF_HOST;
|
||||
switch (a->dest)
|
||||
{
|
||||
case RTD_ROUTER:
|
||||
fill_in_sockaddr((struct sockaddr_in *) &re.rt_gateway, a->gw, 0);
|
||||
re.rt_flags |= RTF_GATEWAY;
|
||||
break;
|
||||
case RTD_DEVICE:
|
||||
if (!a->iface)
|
||||
return;
|
||||
re.rt_dev = a->iface->name;
|
||||
break;
|
||||
#ifdef RTF_REJECT
|
||||
case RTD_UNREACHABLE:
|
||||
re.rt_flags |= RTF_REJECT;
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
bug("krt set: unknown flags, but not filtered");
|
||||
}
|
||||
|
||||
if (ioctl(if_scan_sock, ioc, &re) < 0)
|
||||
log(L_ERR "%s(%I/%d): %m", name, net->n.prefix, net->n.pxlen);
|
||||
}
|
||||
|
||||
void
|
||||
krt_do_notify(struct krt_proto *p, net *net, rte *new, rte *old)
|
||||
{
|
||||
if (old)
|
||||
{
|
||||
DBG("krt_remove_route(%I/%d)\n", net->n.prefix, net->n.pxlen);
|
||||
krt_ioctl(SIOCDELRT, old, "SIOCDELRT");
|
||||
}
|
||||
if (new)
|
||||
{
|
||||
DBG("krt_add_route(%I/%d)\n", net->n.prefix, net->n.pxlen);
|
||||
krt_ioctl(SIOCADDRT, new, "SIOCADDRT");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
krt_sys_start(struct krt_proto *x, int first)
|
||||
{
|
||||
if (if_scan_sock < 0)
|
||||
bug("krt set: missing socket");
|
||||
}
|
||||
|
||||
void
|
||||
krt_sys_shutdown(struct krt_proto *x, int last)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
krt_sys_construct(struct krt_config *c)
|
||||
{
|
||||
}
|
||||
|
||||
@ -1,27 +0,0 @@
|
||||
/*
|
||||
* BIRD -- Unix Kernel Route Syncer
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#ifndef _BIRD_KRT_SET_H_
|
||||
#define _BIRD_KRT_SET_H_
|
||||
|
||||
struct krt_params {
|
||||
};
|
||||
|
||||
struct krt_status {
|
||||
};
|
||||
|
||||
|
||||
static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
|
||||
static inline int krt_sys_reconfigure(struct krt_proto *p UNUSED, struct krt_config *n UNUSED, struct krt_config *o UNUSED) { return 1; }
|
||||
|
||||
static inline void krt_sys_preconfig(struct config *c UNUSED) { }
|
||||
static inline void krt_sys_postconfig(struct krt_config *c UNUSED) { }
|
||||
static inline void krt_sys_init_config(struct krt_config *c UNUSED) { }
|
||||
static inline void krt_sys_copy_config(struct krt_config *d UNUSED, struct krt_config *s UNUSED) { }
|
||||
|
||||
#endif
|
||||
@ -23,7 +23,7 @@
|
||||
* Either with a single routing table and single KRT protocol [traditional UNIX]
|
||||
* or with many routing tables and separate KRT protocols for all of them
|
||||
* or with many routing tables, but every scan including all tables, so we start
|
||||
* separate KRT protocols which cooperate with each other [Linux 2.2].
|
||||
* separate KRT protocols which cooperate with each other [Linux].
|
||||
* In this case, we keep only a single scan timer.
|
||||
*
|
||||
* We use FIB node flags in the routing table to keep track of route
|
||||
@ -34,6 +34,15 @@
|
||||
* When starting up, we cheat by looking if there is another
|
||||
* KRT instance to be initialized later and performing table scan
|
||||
* only once for all the instances.
|
||||
*
|
||||
* The code uses OS-dependent parts for kernel updates and scans. These parts are
|
||||
* in more specific sysdep directories (e.g. sysdep/linux) in functions krt_sys_*
|
||||
* and kif_sys_* (and some others like krt_do_notify()) and krt-sys.h header file.
|
||||
* This is also used for platform specific protocol options and route attributes.
|
||||
*
|
||||
* There was also an old code that used traditional UNIX ioctls for these tasks.
|
||||
* It was unmaintained and later removed. For reference, see sysdep/krt-* files
|
||||
* in commit 396dfa9042305f62da1f56589c4b98fac57fc2f6
|
||||
*/
|
||||
|
||||
/*
|
||||
@ -66,7 +75,6 @@ krt_io_init(void)
|
||||
{
|
||||
krt_pool = rp_new(&root_pool, "Kernel Syncer");
|
||||
krt_filter_lp = lp_new(krt_pool, 4080);
|
||||
kif_sys_io_init();
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
@ -15,9 +15,7 @@ struct krt_proto;
|
||||
struct kif_config;
|
||||
struct kif_proto;
|
||||
|
||||
#include "lib/krt-scan.h"
|
||||
#include "lib/krt-set.h"
|
||||
#include "lib/krt-iface.h"
|
||||
#include "lib/krt-sys.h"
|
||||
|
||||
/* Flags stored in net->n.flags, rest are in nest/route.h */
|
||||
|
||||
@ -113,7 +111,7 @@ struct kif_proto {
|
||||
struct proto_config * krt_init_config(int class);
|
||||
|
||||
|
||||
/* krt-scan.c */
|
||||
/* krt sysdep */
|
||||
|
||||
void krt_sys_init(struct krt_proto *);
|
||||
void krt_sys_start(struct krt_proto *, int);
|
||||
@ -130,7 +128,7 @@ void krt_do_scan(struct krt_proto *);
|
||||
void krt_do_notify(struct krt_proto *p, net *n, rte *new, rte *old, struct ea_list *eattrs);
|
||||
|
||||
|
||||
/* krt-iface.c */
|
||||
/* kif sysdep */
|
||||
|
||||
void kif_sys_init(struct kif_proto *);
|
||||
void kif_sys_start(struct kif_proto *);
|
||||
@ -142,6 +140,5 @@ void kif_sys_copy_config(struct kif_config *, struct kif_config *);
|
||||
|
||||
void kif_do_scan(struct kif_proto *);
|
||||
|
||||
// void kif_sys_io_init(void);
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user