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Cleanup in sysdep KRT code, part 1.

Browse source 
OS-dependent functions renamed to be more consistent,
prepared to merge krt-set and krt-scan headers.

Name changes:

struct krt_if_params -> struct kif_params
struct krt_if_status -> struct kif_status
struct krt_set/scan_params -> struct krt_params
struct krt_set/scan_status -> struct krt_status

krt_if_params_same -> kif_sys_reconfigure
krt_if_copy_params -> kif_sys_copy_config
krt_set/scan_params_same -> krt_sys_reconfigure
krt_set/scan_copy_params -> krt_sys_copy_config

krt_if_scan -> kif_do_scan
krt_set_notify -> krt_do_notify
krt_scan_fire -> krt_do_scan

krt_if_ -> kif_sys_
krt_scan_ -> krt_sys_
krt_set_ -> krt_sys_
This commit is contained in:
Ondrej Zajicek 2012-04-30 15:31:32 +02:00
parent 182a78957d
commit 396dfa9042
15 changed files with 384 additions and 381 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
sysdep/bsd/krt-iface.h
View file

@ -13,13 +13,21 @@
* We don't have split iface/scan/set parts. See krt-sock.h.
*/
struct krt_if_params {
struct kif_params {
};
struct krt_if_status {
struct kif_status {
};
static inline int kif_params_same(struct krt_if_params *old UNUSED, struct krt_if_params *new UNUSED) { return 1; }
static inline void kif_copy_params(struct krt_if_params *dest UNUSED, struct krt_if_params *src UNUSED) { }
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

14
sysdep/bsd/krt-scan.h
View file

@ -13,10 +13,18 @@ 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 UNUSED, struct krt_scan_params *n UNUSED) { return 1; }
static inline void krt_scan_copy_params(struct krt_scan_params *d UNUSED, struct krt_scan_params *s UNUSED) { }
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

143
sysdep/bsd/krt-sock.c
View file

@ -33,7 +33,19 @@
#include "lib/string.h"
#include "lib/socket.h"
int rt_sock = 0;
#ifndef RTAX_MAX
#define RTAX_MAX 8
#endif
struct ks_msg
{
struct rt_msghdr rtm;
struct sockaddr_storage buf[RTAX_MAX];
};
static int rt_sock = 0;
int
krt_capable(rte *e)
@ -189,8 +201,8 @@ krt_sock_send(int cmd, rte *e)
}
void
krt_set_notify(struct krt_proto *p UNUSED, net *n, rte *new, rte *old,
struct ea_list *eattrs UNUSED)
krt_do_notify(struct krt_proto *p UNUSED, net *n, rte *new, rte *old,
struct ea_list *eattrs UNUSED)
{
int err = 0;
@ -206,45 +218,6 @@ krt_set_notify(struct krt_proto *p UNUSED, net *n, rte *new, rte *old,
n->n.flags &= ~KRF_SYNC_ERROR;
}
static int
krt_set_hook(sock *sk, int size UNUSED)
{
struct ks_msg msg;
int l = read(sk->fd, (char *)&msg, sizeof(msg));
if(l <= 0)
log(L_ERR "krt-sock: read failed");
else
krt_read_msg((struct proto *)sk->data, &msg, 0);
return 0;
}
void
krt_set_start(struct krt_proto *x, int first UNUSED)
{
sock *sk_rt;
static int ks_open_tried = 0;
if (ks_open_tried)
return;
ks_open_tried = 1;
DBG("KRT: Opening kernel socket\n");
if( (rt_sock = socket(PF_ROUTE, SOCK_RAW, AF_UNSPEC)) < 0)
die("Cannot open kernel socket for routes");
sk_rt = sk_new(krt_pool);
sk_rt->type = SK_MAGIC;
sk_rt->rx_hook = krt_set_hook;
sk_rt->fd = rt_sock;
sk_rt->data = x;
if (sk_open(sk_rt))
bug("krt-sock: sk_open failed");
}
#define SKIP(ARG...) do { DBG("KRT: Ignoring route - " ARG); return; } while(0)
static void
@ -648,32 +621,6 @@ krt_read_msg(struct proto *p, struct ks_msg *msg, int scan)
}
}
void
krt_scan_construct(struct krt_config *c UNUSED)
{
}
void
krt_scan_preconfig(struct config *c UNUSED)
{
}
void
krt_scan_postconfig(struct krt_config *c UNUSED)
{
}
void
krt_scan_start(struct krt_proto *x, int first UNUSED)
{
init_list(&x->scan.temp_ifs);
}
void
krt_scan_shutdown(struct krt_proto *x UNUSED, int last UNUSED)
{
}
static void
krt_sysctl_scan(struct proto *p, pool *pool, byte **buf, size_t *bl, int cmd)
{
@ -732,13 +679,13 @@ static size_t krt_buflen = 32768;
static size_t kif_buflen = 4096;
void
krt_scan_fire(struct krt_proto *p)
krt_do_scan(struct krt_proto *p)
{
krt_sysctl_scan((struct proto *)p, p->krt_pool, &krt_buffer, &krt_buflen, NET_RT_DUMP);
}
void
krt_if_scan(struct kif_proto *p)
kif_do_scan(struct kif_proto *p)
{
struct proto *P = (struct proto *)p;
if_start_update();
@ -746,14 +693,47 @@ krt_if_scan(struct kif_proto *p)
if_end_update();
}
void
krt_set_construct(struct krt_config *c UNUSED)
static int
krt_sock_hook(sock *sk, int size UNUSED)
{
struct ks_msg msg;
int l = read(sk->fd, (char *)&msg, sizeof(msg));
if(l <= 0)
log(L_ERR "krt-sock: read failed");
else
krt_read_msg((struct proto *)sk->data, &msg, 0);
return 0;
}
void
krt_set_shutdown(struct krt_proto *x UNUSED, int last UNUSED)
krt_sys_start(struct krt_proto *x, int first UNUSED)
{
sock *sk_rt;
static int ks_open_tried = 0;
if (ks_open_tried)
return;
ks_open_tried = 1;
DBG("KRT: Opening kernel socket\n");
if( (rt_sock = socket(PF_ROUTE, SOCK_RAW, AF_UNSPEC)) < 0)
die("Cannot open kernel socket for routes");
sk_rt = sk_new(krt_pool);
sk_rt->type = SK_MAGIC;
sk_rt->rx_hook = krt_sock_hook;
sk_rt->fd = rt_sock;
sk_rt->data = x;
if (sk_open(sk_rt))
bug("krt-sock: sk_open failed");
}
void
krt_sys_shutdown(struct krt_proto *x UNUSED, int last UNUSED)
{
if (!krt_buffer)
return;
@ -762,23 +742,14 @@ krt_set_shutdown(struct krt_proto *x UNUSED, int last UNUSED)
krt_buffer = NULL;
}
void
krt_if_io_init(void)
kif_sys_start(struct kif_proto *p UNUSED)
{
}
void
krt_if_construct(struct kif_config *c UNUSED)
{
}
void
krt_if_start(struct kif_proto *p UNUSED)
{
}
void
krt_if_shutdown(struct kif_proto *p UNUSED)
kif_sys_shutdown(struct kif_proto *p UNUSED)
{
if (!kif_buffer)
return;

23
sysdep/bsd/krt-sock.h
View file

@ -9,29 +9,10 @@
#ifndef _BIRD_KRT_SOCK_H_
#define _BIRD_KRT_SOCK_H_
#include <sys/socket.h>
#include <net/route.h>
#include "lib/socket.h"
#ifndef RTAX_MAX
#define RTAX_MAX 8
#endif
struct ks_msg
{
struct rt_msghdr rtm;
struct sockaddr_storage buf[RTAX_MAX];
struct krt_params {
};
extern int krt_set_sock;
struct krt_set_params {
};
struct krt_set_status {
struct krt_status {
};
static inline int krt_set_params_same(struct krt_set_params *o UNUSED, struct krt_set_params *n UNUSED) { return 1; }

18
sysdep/linux/netlink/krt-iface.h
View file

@ -13,17 +13,21 @@
* We don't have split iface/scan/set parts. See krt-scan.h.
*/
struct krt_if_params {
struct kif_params {
};
struct krt_if_status {
struct kif_status {
};
static inline void krt_if_construct(struct kif_config *c UNUSED) { };
static inline void krt_if_shutdown(struct kif_proto *p UNUSED) { };
static inline void krt_if_io_init(void) { };
static inline int kif_params_same(struct krt_if_params *old UNUSED, struct krt_if_params *new UNUSED) { return 1; }
static inline void kif_copy_params(struct krt_if_params *dest UNUSED, struct krt_if_params *src UNUSED) { }
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

12
sysdep/linux/netlink/krt-scan.h
View file

@ -17,20 +17,14 @@
#define NL_NUM_TABLES 256
struct krt_scan_params {
struct krt_params {
int table_id; /* Kernel table ID we sync with */
};
struct krt_scan_status {
list temp_ifs; /* Temporary interfaces */
struct krt_status {
};
static inline int krt_scan_params_same(struct krt_scan_params *o, struct krt_scan_params *n)
{
return o->table_id == n->table_id;
}
static inline void krt_scan_copy_params(struct krt_scan_params *d UNUSED, struct krt_scan_params *s UNUSED) { }
/* table_id copied in krt_copy_config() */
static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
#endif

2
sysdep/linux/netlink/netlink.Y
View file

@ -20,7 +20,7 @@ nl_item:
KERNEL TABLE expr {
if ($3 <= 0 || $3 >= NL_NUM_TABLES)
cf_error("Kernel routing table number out of range");
THIS_KRT->scan.table_id = $3;
THIS_KRT->sys.table_id = $3;
}
;

85
sysdep/linux/netlink/netlink.c
View file

@ -548,7 +548,7 @@ nl_parse_addr(struct nlmsghdr *h)
}
void
krt_if_scan(struct kif_proto *p UNUSED)
kif_do_scan(struct kif_proto *p UNUSED)
{
struct nlmsghdr *h;
@ -634,7 +634,7 @@ nl_send_route(struct krt_proto *p, rte *e, struct ea_list *eattrs, int new)
r.r.rtm_family = BIRD_AF;
r.r.rtm_dst_len = net->n.pxlen;
r.r.rtm_tos = 0;
r.r.rtm_table = KRT_CF->scan.table_id;
r.r.rtm_table = KRT_CF->sys.table_id;
r.r.rtm_protocol = RTPROT_BIRD;
r.r.rtm_scope = RT_SCOPE_UNIVERSE;
nl_add_attr_ipa(&r.h, sizeof(r), RTA_DST, net->n.prefix);
@ -687,7 +687,7 @@ nl_send_route(struct krt_proto *p, rte *e, struct ea_list *eattrs, int new)
}
void
krt_set_notify(struct krt_proto *p, net *n, rte *new, rte *old, struct ea_list *eattrs)
krt_do_notify(struct krt_proto *p, net *n, rte *new, rte *old, struct ea_list *eattrs)
{
int err = 0;
@ -940,7 +940,7 @@ nl_parse_route(struct nlmsghdr *h, int scan)
}
void
krt_scan_fire(struct krt_proto *p UNUSED) /* CONFIG_ALL_TABLES_AT_ONCE => p is NULL */
krt_do_scan(struct krt_proto *p UNUSED) /* CONFIG_ALL_TABLES_AT_ONCE => p is NULL */
{
struct nlmsghdr *h;
@ -1084,36 +1084,9 @@ nl_open_async(void)
static u8 nl_cf_table[(NL_NUM_TABLES+7) / 8];
void
krt_scan_preconfig(struct config *c UNUSED)
krt_sys_start(struct krt_proto *p, int first)
{
bzero(&nl_cf_table, sizeof(nl_cf_table));
}
void
krt_scan_postconfig(struct krt_config *x)
{
int id = x->scan.table_id;
if (nl_cf_table[id/8] & (1 << (id%8)))
cf_error("Multiple kernel syncers defined for table #%d", id);
nl_cf_table[id/8] |= (1 << (id%8));
}
void
krt_scan_construct(struct krt_config *x)
{
#ifndef IPV6
x->scan.table_id = RT_TABLE_MAIN;
#else
x->scan.table_id = 254;
#endif
}
void
krt_scan_start(struct krt_proto *p, int first)
{
init_list(&p->scan.temp_ifs);
nl_table_map[KRT_CF->scan.table_id] = p;
nl_table_map[KRT_CF->sys.table_id] = p;
if (first)
{
nl_open();
@ -1122,13 +1095,55 @@ krt_scan_start(struct krt_proto *p, int first)
}
void
krt_scan_shutdown(struct krt_proto *p UNUSED, int last UNUSED)
krt_sys_shutdown(struct krt_proto *p UNUSED, int last UNUSED)
{
}
int
krt_sys_reconfigure(struct krt_proto *p UNUSED, struct krt_config *n, struct krt_config *o)
{
return n->sys.table_id == o->sys.table_id;
}
void
krt_if_start(struct kif_proto *p UNUSED)
krt_sys_preconfig(struct config *c UNUSED)
{
bzero(&nl_cf_table, sizeof(nl_cf_table));
}
void
krt_sys_postconfig(struct krt_config *x)
{
int id = x->sys.table_id;
if (nl_cf_table[id/8] & (1 << (id%8)))
cf_error("Multiple kernel syncers defined for table #%d", id);
nl_cf_table[id/8] |= (1 << (id%8));
}
void
krt_sys_init_config(struct krt_config *cf)
{
cf->sys.table_id = RT_TABLE_MAIN;
}
void
krt_sys_copy_config(struct krt_config *d, struct krt_config *s)
{
d->sys.table_id = s->sys.table_id;
}
void
kif_sys_start(struct kif_proto *p UNUSED)
{
nl_open();
nl_open_async();
}
void
kif_sys_shutdown(struct kif_proto *p UNUSED)
{
}

13
sysdep/unix/krt-iface.c
View file

@ -186,7 +186,7 @@ scan_ifs(struct ifreq *r, int cnt)
}
void
krt_if_scan(struct kif_proto *p)
kif_do_scan(struct kif_proto *p)
{
struct ifconf ic;
static int last_ifbuf_size = 4*sizeof(struct ifreq);
@ -208,22 +208,17 @@ krt_if_scan(struct kif_proto *p)
}
void
krt_if_construct(struct kif_config *c)
kif_start(struct kif_proto *p)
{
}
void
krt_if_start(struct kif_proto *p)
kif_shutdown(struct kif_proto *p)
{
}
void
krt_if_shutdown(struct kif_proto *p)
{
}
void
krt_if_io_init(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);

14
sysdep/unix/krt-iface.h
View file

@ -9,15 +9,21 @@
#ifndef _BIRD_KRT_IFACE_H_
#define _BIRD_KRT_IFACE_H_
struct krt_if_params {
struct kif_params {
};
struct krt_if_status {
struct kif_status {
};
extern int if_scan_sock;
static inline int kif_params_same(struct krt_if_params *old UNUSED, struct krt_if_params *new UNUSED) { return 1; }
static inline void kif_copy_params(struct krt_if_params *dest UNUSED, struct krt_if_params *src UNUSED) { }
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

15
sysdep/unix/krt-set.c
View file

@ -79,7 +79,7 @@ krt_ioctl(int ioc, rte *e, char *name)
}
void
krt_set_notify(struct krt_proto *p, net *net, rte *new, rte *old)
krt_do_notify(struct krt_proto *p, net *net, rte *new, rte *old)
{
if (old)
{
@ -94,18 +94,19 @@ krt_set_notify(struct krt_proto *p, net *net, rte *new, rte *old)
}
void
krt_set_start(struct krt_proto *x, int first)
krt_sys_start(struct krt_proto *x, int first)
{
if (if_scan_sock < 0)
bug("krt set: missing socket");
}
void
krt_set_construct(struct krt_config *c)
krt_sys_shutdown(struct krt_proto *x, int last)
{
}
void
krt_sys_construct(struct krt_config *c)
{
}
void
krt_set_shutdown(struct krt_proto *x, int last)
{
}

16
sysdep/unix/krt-set.h
View file

@ -1,5 +1,5 @@
/*
* BIRD -- Unix Kernel Route Syncer -- Setting
* BIRD -- Unix Kernel Route Syncer
*
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
*
@ -9,13 +9,19 @@
#ifndef _BIRD_KRT_SET_H_
#define _BIRD_KRT_SET_H_
struct krt_set_params {
struct krt_params {
};
struct krt_set_status {
struct krt_status {
};
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) { }
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

21
sysdep/unix/krt.Y
View file

@ -25,17 +25,7 @@ CF_GRAMMAR
CF_ADDTO(proto, kern_proto '}')
kern_proto_start: proto_start KERNEL {
#ifndef CONFIG_MULTIPLE_TABLES
if (cf_krt)
cf_error("Kernel protocol already defined");
#endif
cf_krt = this_proto = proto_config_new(&proto_unix_kernel, sizeof(struct krt_config), $1);
THIS_KRT->scan_time = 60;
THIS_KRT->learn = THIS_KRT->persist = 0;
krt_scan_construct(THIS_KRT);
krt_set_construct(THIS_KRT);
}
kern_proto_start: proto_start KERNEL { this_proto = krt_init_config($1); }
;
CF_ADDTO(kern_proto, kern_proto_start proto_name '{')
@ -62,14 +52,7 @@ kern_item:
CF_ADDTO(proto, kif_proto '}')
kif_proto_start: proto_start DEVICE {
if (cf_kif)
cf_error("Kernel device protocol already defined");
cf_kif = this_proto = proto_config_new(&proto_unix_iface, sizeof(struct kif_config), $1);
THIS_KIF->scan_time = 60;
init_list(&THIS_KIF->primary);
krt_if_construct(THIS_KIF);
}
kif_proto_start: proto_start DEVICE { this_proto = kif_init_config($1); }
;
CF_ADDTO(kif_proto, kif_proto_start proto_name '{')

316
sysdep/unix/krt.c
View file

@ -66,25 +66,18 @@ krt_io_init(void)
{
krt_pool = rp_new(&root_pool, "Kernel Syncer");
krt_filter_lp = lp_new(krt_pool, 4080);
krt_if_io_init();
kif_sys_io_init();
}
/*
* Interfaces
*/
struct proto_config *cf_kif;
static struct kif_config *kif_cf;
static struct kif_proto *kif_proto;
static timer *kif_scan_timer;
static bird_clock_t kif_last_shot;
static void
kif_preconfig(struct protocol *P UNUSED, struct config *c UNUSED)
{
cf_kif = NULL;
}
static void
kif_scan(timer *t)
{
@ -92,7 +85,7 @@ kif_scan(timer *t)
KRT_TRACE(p, D_EVENTS, "Scanning interfaces");
kif_last_shot = now;
krt_if_scan(p);
kif_do_scan(p);
}
static void
@ -112,45 +105,6 @@ kif_request_scan(void)
tm_start(kif_scan_timer, 1);
}
static struct proto *
kif_init(struct proto_config *c)
{
struct kif_proto *p = proto_new(c, sizeof(struct kif_proto));
return &p->p;
}
static int
kif_start(struct proto *P)
{
struct kif_proto *p = (struct kif_proto *) P;
kif_proto = p;
krt_if_start(p);
/* Start periodic interface scanning */
kif_scan_timer = tm_new(P->pool);
kif_scan_timer->hook = kif_scan;
kif_scan_timer->data = p;
kif_scan_timer->recurrent = KIF_CF->scan_time;
kif_scan(kif_scan_timer);
tm_start(kif_scan_timer, KIF_CF->scan_time);
return PS_UP;
}
static int
kif_shutdown(struct proto *P)
{
struct kif_proto *p = (struct kif_proto *) P;
tm_stop(kif_scan_timer);
krt_if_shutdown(p);
kif_proto = NULL;
return PS_DOWN;
}
static inline int
prefer_scope(struct ifa *a, struct ifa *b)
{ return (a->scope > SCOPE_LINK) && (b->scope <= SCOPE_LINK); }
@ -193,13 +147,53 @@ kif_choose_primary(struct iface *i)
}
static struct proto *
kif_init(struct proto_config *c)
{
struct kif_proto *p = proto_new(c, sizeof(struct kif_proto));
kif_sys_init(p);
return &p->p;
}
static int
kif_start(struct proto *P)
{
struct kif_proto *p = (struct kif_proto *) P;
kif_proto = p;
kif_sys_start(p);
/* Start periodic interface scanning */
kif_scan_timer = tm_new(P->pool);
kif_scan_timer->hook = kif_scan;
kif_scan_timer->data = p;
kif_scan_timer->recurrent = KIF_CF->scan_time;
kif_scan(kif_scan_timer);
tm_start(kif_scan_timer, KIF_CF->scan_time);
return PS_UP;
}
static int
kif_shutdown(struct proto *P)
{
struct kif_proto *p = (struct kif_proto *) P;
tm_stop(kif_scan_timer);
kif_sys_shutdown(p);
kif_proto = NULL;
return PS_DOWN;
}
static int
kif_reconfigure(struct proto *p, struct proto_config *new)
{
struct kif_config *o = (struct kif_config *) p->cf;
struct kif_config *n = (struct kif_config *) new;
if (!kif_params_same(&o->iface, &n->iface))
if (!kif_sys_reconfigure((struct kif_proto *) p, n, o))
return 0;
if (o->scan_time != n->scan_time)
@ -224,6 +218,28 @@ kif_reconfigure(struct proto *p, struct proto_config *new)
return 1;
}
static void
kif_preconfig(struct protocol *P UNUSED, struct config *c)
{
kif_cf = NULL;
kif_sys_preconfig(c);
}
struct proto_config *
kif_init_config(int class)
{
if (kif_cf)
cf_error("Kernel device protocol already defined");
kif_cf = (struct kif_config *) proto_config_new(&proto_unix_iface, sizeof(struct kif_config), class);
kif_cf->scan_time = 60;
init_list(&kif_cf->primary);
kif_sys_init_config(kif_cf);
return (struct proto_config *) kif_cf;
}
static void
kif_copy_config(struct proto_config *dest, struct proto_config *src)
{
@ -231,13 +247,13 @@ kif_copy_config(struct proto_config *dest, struct proto_config *src)
struct kif_config *s = (struct kif_config *) src;
/* Shallow copy of everything (just scan_time currently) */
proto_copy_rest(dest, src, sizeof(struct krt_config));
proto_copy_rest(dest, src, sizeof(struct kif_config));
/* Copy primary addr list */
cfg_copy_list(&d->primary, &s->primary, sizeof(struct kif_primary_item));
/* Fix sysdep parts */
kif_copy_params(&d->iface, &s->iface);
kif_sys_copy_config(d, s);
}
@ -558,7 +574,7 @@ krt_flush_routes(struct krt_proto *p)
a->source != RTS_DEVICE && a->source != RTS_INHERIT)
{
/* FIXME: this does not work if gw is changed in export filter */
krt_set_notify(p, e->net, NULL, e, NULL);
krt_do_notify(p, e->net, NULL, e, NULL);
n->n.flags &= ~KRF_INSTALLED;
}
}
@ -717,7 +733,7 @@ krt_prune(struct krt_proto *p)
if (new && (f->flags & KRF_INSTALLED))
{
krt_trace_in(p, new, "reinstalling");
krt_set_notify(p, n, new, NULL, tmpa);
krt_do_notify(p, n, new, NULL, tmpa);
}
break;
case KRF_SEEN:
@ -726,11 +742,11 @@ krt_prune(struct krt_proto *p)
break;
case KRF_UPDATE:
krt_trace_in(p, new, "updating");
krt_set_notify(p, n, new, old, tmpa);
krt_do_notify(p, n, new, old, tmpa);
break;
case KRF_DELETE:
krt_trace_in(p, old, "deleting");
krt_set_notify(p, n, NULL, old, NULL);
krt_do_notify(p, n, NULL, old, NULL);
break;
default:
bug("krt_prune: invalid route status");
@ -766,7 +782,7 @@ krt_got_route_async(struct krt_proto *p, rte *e, int new)
if (new)
{
krt_trace_in(p, e, "[redirect] deleting");
krt_set_notify(p, net, NULL, e, NULL);
krt_do_notify(p, net, NULL, e, NULL);
}
/* If !new, it is probably echo of our deletion */
break;
@ -800,7 +816,7 @@ krt_scan(timer *t UNUSED)
p = SKIP_BACK(struct krt_proto, instance_node, HEAD(krt_instance_list));
if (p->instance_node.next)
KRT_TRACE(p, D_EVENTS, "Scanning routing table");
krt_scan_fire(NULL);
krt_do_scan(NULL);
WALK_LIST(q, krt_instance_list)
{
p = SKIP_BACK(struct krt_proto, instance_node, q);
@ -810,14 +826,45 @@ krt_scan(timer *t UNUSED)
#else
p = t->data;
KRT_TRACE(p, D_EVENTS, "Scanning routing table");
krt_scan_fire(p);
krt_do_scan(p);
krt_prune(p);
#endif
}
/*
* Updates
*/
static struct ea_list *
krt_make_tmp_attrs(rte *rt, struct linpool *pool)
{
struct ea_list *l = lp_alloc(pool, sizeof(struct ea_list) + 2 * sizeof(eattr));
l->next = NULL;
l->flags = EALF_SORTED;
l->count = 2;
l->attrs[0].id = EA_KRT_SOURCE;
l->attrs[0].flags = 0;
l->attrs[0].type = EAF_TYPE_INT | EAF_TEMP;
l->attrs[0].u.data = rt->u.krt.proto;
l->attrs[1].id = EA_KRT_METRIC;
l->attrs[1].flags = 0;
l->attrs[1].type = EAF_TYPE_INT | EAF_TEMP;
l->attrs[1].u.data = rt->u.krt.metric;
return l;
}
static void
krt_store_tmp_attrs(rte *rt, struct ea_list *attrs)
{
/* EA_KRT_SOURCE is read-only */
rt->u.krt.metric = ea_get_int(attrs, EA_KRT_METRIC, 0);
}
static int
krt_import_control(struct proto *P, rte **new, ea_list **attrs, struct linpool *pool)
{
@ -853,37 +900,37 @@ krt_notify(struct proto *P, struct rtable *table UNUSED, net *net,
else
net->n.flags &= ~KRF_INSTALLED;
if (p->initialized) /* Before first scan we don't touch the routes */
krt_set_notify(p, net, new, old, eattrs);
krt_do_notify(p, net, new, old, eattrs);
}
static int
krt_rte_same(rte *a, rte *b)
{
/* src is always KRT_SRC_ALIEN and type is irrelevant */
return (a->u.krt.proto == b->u.krt.proto) && (a->u.krt.metric == b->u.krt.metric);
}
/*
* Protocol glue
*/
struct proto_config *cf_krt;
struct krt_config *krt_cf;
static void
krt_preconfig(struct protocol *P UNUSED, struct config *c)
static struct proto *
krt_init(struct proto_config *c)
{
cf_krt = NULL;
krt_scan_preconfig(c);
}
struct krt_proto *p = proto_new(c, sizeof(struct krt_proto));
static void
krt_postconfig(struct proto_config *C)
{
struct krt_config *c = (struct krt_config *) C;
p->p.accept_ra_types = RA_OPTIMAL;
p->p.make_tmp_attrs = krt_make_tmp_attrs;
p->p.store_tmp_attrs = krt_store_tmp_attrs;
p->p.import_control = krt_import_control;
p->p.rt_notify = krt_notify;
p->p.rte_same = krt_rte_same;
#ifdef CONFIG_ALL_TABLES_AT_ONCE
struct krt_config *first = (struct krt_config *) cf_krt;
if (first->scan_time != c->scan_time)
cf_error("All kernel syncers must use the same table scan interval");
#endif
if (C->table->krt_attached)
cf_error("Kernel syncer (%s) already attached to table %s", C->table->krt_attached->name, C->table->name);
C->table->krt_attached = C;
krt_scan_postconfig(c);
krt_sys_init(p);
return &p->p;
}
static timer *
@ -920,8 +967,7 @@ krt_start(struct proto *P)
krt_learn_init(p);
#endif
krt_scan_start(p, first);
krt_set_start(p, first);
krt_sys_start(p, first);
/* Start periodic routing table scanning */
#ifdef CONFIG_ALL_TABLES_AT_ONCE
@ -955,8 +1001,7 @@ krt_shutdown(struct proto *P)
if (p->initialized && !KRT_CF->persist)
krt_flush_routes(p);
krt_set_shutdown(p, last);
krt_scan_shutdown(p, last);
krt_sys_shutdown(p, last);
#ifdef CONFIG_ALL_TABLES_AT_ONCE
if (last)
@ -966,69 +1011,55 @@ krt_shutdown(struct proto *P)
return PS_DOWN;
}
static struct ea_list *
krt_make_tmp_attrs(rte *rt, struct linpool *pool)
{
struct ea_list *l = lp_alloc(pool, sizeof(struct ea_list) + 2 * sizeof(eattr));
l->next = NULL;
l->flags = EALF_SORTED;
l->count = 2;
l->attrs[0].id = EA_KRT_SOURCE;
l->attrs[0].flags = 0;
l->attrs[0].type = EAF_TYPE_INT | EAF_TEMP;
l->attrs[0].u.data = rt->u.krt.proto;
l->attrs[1].id = EA_KRT_METRIC;
l->attrs[1].flags = 0;
l->attrs[1].type = EAF_TYPE_INT | EAF_TEMP;
l->attrs[1].u.data = rt->u.krt.metric;
return l;
}
static void
krt_store_tmp_attrs(rte *rt, struct ea_list *attrs)
{
/* EA_KRT_SOURCE is read-only */
rt->u.krt.metric = ea_get_int(attrs, EA_KRT_METRIC, 0);
}
static int
krt_rte_same(rte *a, rte *b)
{
/* src is always KRT_SRC_ALIEN and type is irrelevant */
return (a->u.krt.proto == b->u.krt.proto) && (a->u.krt.metric == b->u.krt.metric);
}
static struct proto *
krt_init(struct proto_config *c)
{
struct krt_proto *p = proto_new(c, sizeof(struct krt_proto));
p->p.accept_ra_types = RA_OPTIMAL;
p->p.make_tmp_attrs = krt_make_tmp_attrs;
p->p.store_tmp_attrs = krt_store_tmp_attrs;
p->p.import_control = krt_import_control;
p->p.rt_notify = krt_notify;
p->p.rte_same = krt_rte_same;
return &p->p;
}
static int
krt_reconfigure(struct proto *p, struct proto_config *new)
{
struct krt_config *o = (struct krt_config *) p->cf;
struct krt_config *n = (struct krt_config *) new;
return o->scan_time == n->scan_time
&& o->learn == n->learn /* persist needn't be the same */
&& o->devroutes == n->devroutes
&& krt_set_params_same(&o->set, &n->set)
&& krt_scan_params_same(&o->scan, &n->scan)
;
if (!krt_sys_reconfigure((struct krt_proto *) p, n, o))
return 0;
/* persist needn't be the same */
return o->scan_time == n->scan_time && o->learn == n->learn && o->devroutes == n->devroutes;
}
static void
krt_preconfig(struct protocol *P UNUSED, struct config *c)
{
krt_cf = NULL;
krt_sys_preconfig(c);
}
static void
krt_postconfig(struct proto_config *C)
{
struct krt_config *c = (struct krt_config *) C;
#ifdef CONFIG_ALL_TABLES_AT_ONCE
if (krt_cf->scan_time != c->scan_time)
cf_error("All kernel syncers must use the same table scan interval");
#endif
if (C->table->krt_attached)
cf_error("Kernel syncer (%s) already attached to table %s", C->table->krt_attached->name, C->table->name);
C->table->krt_attached = C;
krt_sys_postconfig(c);
}
struct proto_config *
krt_init_config(int class)
{
#ifndef CONFIG_MULTIPLE_TABLES
if (krt_cf)
cf_error("Kernel protocol already defined");
#endif
krt_cf = (struct krt_config *) proto_config_new(&proto_unix_kernel, sizeof(struct krt_config), class);
krt_cf->scan_time = 60;
krt_sys_init_config(krt_cf);
return (struct proto_config *) krt_cf;
}
static void
@ -1041,8 +1072,7 @@ krt_copy_config(struct proto_config *dest, struct proto_config *src)
proto_copy_rest(dest, src, sizeof(struct krt_config));
/* Fix sysdep parts */
krt_set_copy_params(&d->set, &s->set);
krt_scan_copy_params(&d->scan, &s->scan);
krt_sys_copy_config(d, s);
}
static int

57
sysdep/unix/krt.h
View file

@ -45,8 +45,7 @@ extern struct protocol proto_unix_kernel;
struct krt_config {
struct proto_config c;
struct krt_set_params set;
struct krt_scan_params scan;
struct krt_params sys; /* Sysdep params */
int persist; /* Keep routes when we exit */
int scan_time; /* How often we re-scan routes */
int learn; /* Learn routes from other sources */
@ -55,9 +54,7 @@ struct krt_config {
struct krt_proto {
struct proto p;
struct krt_set_status set;
struct krt_scan_status scan;
struct krt_if_status iface;
struct krt_status sys; /* Sysdep state */
#ifdef KRT_ALLOW_LEARN
struct rtable krt_table; /* Internal table of inherited routes */
#endif
@ -69,7 +66,6 @@ struct krt_proto {
int initialized; /* First scan has already been finished */
};
extern struct proto_config *cf_krt;
extern pool *krt_pool;
#define KRT_CF ((struct krt_config *)p->p.cf)
@ -79,6 +75,7 @@ extern pool *krt_pool;
if (pr->p.debug & fl) \
{ log(L_TRACE "%s: " msg, pr->p.name , ## args); } } while(0)
struct proto_config * kif_init_config(int class);
void kif_request_scan(void);
void krt_got_route(struct krt_proto *p, struct rte *e);
void krt_got_route_async(struct krt_proto *p, struct rte *e, int new);
@ -101,46 +98,50 @@ struct kif_primary_item {
struct kif_config {
struct proto_config c;
struct krt_if_params iface;
struct kif_params sys; /* Sysdep params */
int scan_time; /* How often we re-scan interfaces */
list primary; /* Preferences for primary addresses (struct kif_primary_item) */
};
struct kif_proto {
struct proto p;
struct krt_if_status iface;
struct kif_status sys; /* Sysdep state */
};
extern struct proto_config *cf_kif;
#define KIF_CF ((struct kif_config *)p->p.cf)
struct proto_config * krt_init_config(int class);
/* krt-scan.c */
void krt_scan_preconfig(struct config *);
void krt_scan_postconfig(struct krt_config *);
void krt_scan_construct(struct krt_config *);
void krt_scan_start(struct krt_proto *, int);
void krt_scan_shutdown(struct krt_proto *, int);
void krt_sys_init(struct krt_proto *);
void krt_sys_start(struct krt_proto *, int);
void krt_sys_shutdown(struct krt_proto *, int);
int krt_sys_reconfigure(struct krt_proto *p UNUSED, struct krt_config *n, struct krt_config *o);
void krt_scan_fire(struct krt_proto *);
void krt_sys_preconfig(struct config *);
void krt_sys_postconfig(struct krt_config *);
void krt_sys_init_config(struct krt_config *);
void krt_sys_copy_config(struct krt_config *, struct krt_config *);
/* krt-set.c */
int krt_capable(rte *e);
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);
void krt_set_construct(struct krt_config *);
void krt_set_start(struct krt_proto *, int);
void krt_set_shutdown(struct krt_proto *, int);
int krt_capable(rte *e);
void krt_set_notify(struct krt_proto *p, net *n, rte *new, rte *old, struct ea_list *eattrs);
/* krt-iface.c */
void krt_if_construct(struct kif_config *);
void krt_if_start(struct kif_proto *);
void krt_if_shutdown(struct kif_proto *);
void kif_sys_init(struct kif_proto *);
void kif_sys_start(struct kif_proto *);
void kif_sys_shutdown(struct kif_proto *);
int kif_sys_reconfigure(struct kif_proto *, struct kif_config *, struct kif_config *);
void krt_if_scan(struct kif_proto *);
void krt_if_io_init(void);
void kif_sys_init_config(struct kif_config *);
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