Commit 2bbc3083 authored by Ondřej Zajíček's avatar Ondřej Zajíček

Store protocol config size inside protocol structure

Make proto_config_new() use this info instead of supplied size.

Thanks to Alexander V. Chernikov for the patch.
parent 374917ad
......@@ -307,7 +307,7 @@ tos:
CF_ADDTO(proto, dev_proto '}')
dev_proto_start: proto_start DIRECT {
this_proto = proto_config_new(&proto_device, sizeof(struct rt_dev_config), $1);
this_proto = proto_config_new(&proto_device, $1);
init_list(&DIRECT_CFG->iface_list);
}
;
......
......@@ -245,7 +245,6 @@ proto_free_ahooks(struct proto *p)
/**
* proto_config_new - create a new protocol configuration
* @pr: protocol the configuration will belong to
* @size: size of the structure including generic data
* @class: SYM_PROTO or SYM_TEMPLATE
*
* Whenever the configuration file says that a new instance
......@@ -262,9 +261,9 @@ proto_free_ahooks(struct proto *p)
* initialized during protos_commit()).
*/
void *
proto_config_new(struct protocol *pr, unsigned size, int class)
proto_config_new(struct protocol *pr, int class)
{
struct proto_config *c = cfg_allocz(size);
struct proto_config *c = cfg_allocz(pr->config_size);
if (class == SYM_PROTO)
add_tail(&new_config->protos, &c->n);
......
......@@ -40,7 +40,8 @@ struct protocol {
int name_counter; /* Counter for automatic name generation */
int attr_class; /* Attribute class known to this protocol */
int multitable; /* Protocol handles all announce hooks itself */
unsigned preference; /* Default protocol preference */
uint preference; /* Default protocol preference */
uint config_size; /* Size of protocol config */
void (*preconfig)(struct protocol *, struct config *); /* Just before configuring */
void (*postconfig)(struct proto_config *); /* After configuring each instance */
......@@ -126,7 +127,7 @@ struct proto_stats {
u32 exp_updates_received; /* Number of route updates received */
u32 exp_updates_rejected; /* Number of route updates rejected by protocol */
u32 exp_updates_filtered; /* Number of route updates rejected by filters */
u32 exp_updates_accepted; /* Number of route updates accepted and exported */
u32 exp_updates_accepted; /* Number of route updates accepted and exported */
u32 exp_withdraws_received; /* Number of route withdraws received */
u32 exp_withdraws_accepted; /* Number of route withdraws accepted and processed */
};
......@@ -148,7 +149,7 @@ struct proto {
byte disabled; /* Manually disabled */
byte proto_state; /* Protocol state machine (PS_*, see below) */
byte core_state; /* Core state machine (FS_*, see below) */
byte export_state; /* Route export state (ES_*, see below) */
byte export_state; /* Route export state (ES_*, see below) */
byte reconfiguring; /* We're shutting down due to reconfiguration */
byte refeeding; /* We are refeeding (valid only if export_state == ES_FEEDING) */
byte flushing; /* Protocol is flushed in current flush loop round */
......@@ -194,7 +195,7 @@ struct proto {
/*
* Routing entry hooks (called only for routes belonging to this protocol):
*
* rte_recalculate Called at the beginning of the best route selection
* rte_recalculate Called at the beginning of the best route selection
* rte_better Compare two rte's and decide which one is better (1=first, 0=second).
* rte_same Compare two rte's and decide whether they are identical (1=yes, 0=no).
* rte_insert Called whenever a rte is inserted to a routing table.
......@@ -239,7 +240,7 @@ struct proto_spec {
void *proto_new(struct proto_config *, unsigned size);
void *proto_config_new(struct protocol *, unsigned size, int class);
void *proto_config_new(struct protocol *, int class);
void proto_copy_config(struct proto_config *dest, struct proto_config *src);
void proto_request_feeding(struct proto *p);
......@@ -350,7 +351,7 @@ void proto_notify_state(struct proto *p, unsigned state);
* FEEDING/UP --> HAPPY/UP --> FLUSHING/STOP|DOWN -->
* HUNGRY/STOP|DOWN --> HUNGRY/DOWN
*
* Sometimes, protocol might switch from HAPPY/UP to FEEDING/UP
* Sometimes, protocol might switch from HAPPY/UP to FEEDING/UP
* if it wants to refeed the routes (for example BGP does so
* as a result of received ROUTE-REFRESH request).
*/
......@@ -432,7 +433,7 @@ proto_reset_limit(struct proto_limit *l)
l->state = PLS_INITIAL;
}
/*
* Route Announcement Hook
*/
......
......@@ -93,7 +93,7 @@ dev_reconfigure(struct proto *p, struct proto_config *new)
{
struct rt_dev_config *o = (struct rt_dev_config *) p->cf;
struct rt_dev_config *n = (struct rt_dev_config *) new;
return iface_patts_equal(&o->iface_list, &n->iface_list, NULL);
}
......@@ -115,6 +115,7 @@ struct protocol proto_device = {
.name = "Direct",
.template = "direct%d",
.preference = DEF_PREF_DIRECT,
.config_size = sizeof(struct rt_dev_config),
.init = dev_init,
.reconfigure = dev_reconfigure,
.copy_config = dev_copy_config
......
......@@ -1112,6 +1112,7 @@ bfd_show_sessions(struct proto *P)
struct protocol proto_bfd = {
.name = "BFD",
.template = "bfd%d",
.config_size = sizeof(struct bfd_config),
.init = bfd_init,
.start = bfd_start,
.shutdown = bfd_shutdown,
......
......@@ -34,7 +34,7 @@ CF_ADDTO(proto, bfd_proto)
bfd_proto_start: proto_start BFD
{
this_proto = proto_config_new(&proto_bfd, sizeof(struct bfd_config), $1);
this_proto = proto_config_new(&proto_bfd, $1);
init_list(&BFD_CFG->patt_list);
init_list(&BFD_CFG->neigh_list);
......
......@@ -1455,6 +1455,7 @@ struct protocol proto_bgp = {
.template = "bgp%d",
.attr_class = EAP_BGP,
.preference = DEF_PREF_BGP,
.config_size = sizeof(struct bgp_config),
.init = bgp_init,
.start = bgp_start,
.shutdown = bgp_shutdown,
......
......@@ -34,7 +34,7 @@ CF_GRAMMAR
CF_ADDTO(proto, bgp_proto '}' { bgp_check_config(BGP_CFG); } )
bgp_proto_start: proto_start BGP {
this_proto = proto_config_new(&proto_bgp, sizeof(struct bgp_config), $1);
this_proto = proto_config_new(&proto_bgp, $1);
BGP_CFG->multihop = -1; /* undefined */
BGP_CFG->hold_time = 240;
BGP_CFG->connect_retry_time = 120;
......
......@@ -141,7 +141,7 @@ CF_GRAMMAR
CF_ADDTO(proto, ospf_proto '}' { ospf_proto_finish(); } )
ospf_proto_start: proto_start OSPF {
this_proto = proto_config_new(&proto_ospf, sizeof(struct ospf_config), $1);
this_proto = proto_config_new(&proto_ospf, $1);
init_list(&OSPF_CFG->area_list);
init_list(&OSPF_CFG->vlink_list);
OSPF_CFG->tick = OSPF_DEFAULT_TICK;
......
......@@ -1457,6 +1457,7 @@ struct protocol proto_ospf = {
.template = "ospf%d",
.attr_class = EAP_OSPF,
.preference = DEF_PREF_OSPF,
.config_size = sizeof(struct ospf_config),
.init = ospf_init,
.dump = ospf_dump,
.start = ospf_start,
......
......@@ -23,7 +23,7 @@ CF_GRAMMAR
CF_ADDTO(proto, pipe_proto '}')
pipe_proto_start: proto_start PIPE {
this_proto = proto_config_new(&proto_pipe, sizeof(struct pipe_config), $1);
this_proto = proto_config_new(&proto_pipe, $1);
PIPE_CFG->mode = PIPE_TRANSPARENT;
}
;
......
......@@ -247,7 +247,7 @@ pipe_reconfigure(struct proto *P, struct proto_config *new)
if ((P->proto_state != PS_UP) || (proto_reconfig_type == RECONFIG_SOFT))
return 1;
if ((new->preference != old->preference)
|| ! filter_same(new->in_filter, old->in_filter)
|| ! filter_same(new->out_filter, old->out_filter))
......@@ -298,7 +298,7 @@ pipe_show_stats(struct pipe_proto *p)
* (imp/exp), while stats s2 have switched 'polarity'.
*/
cli_msg(-1006, " Routes: %u imported, %u exported",
cli_msg(-1006, " Routes: %u imported, %u exported",
s1->imp_routes, s2->imp_routes);
cli_msg(-1006, " Route change stats: received rejected filtered ignored accepted");
cli_msg(-1006, " Import updates: %10u %10u %10u %10u %10u",
......@@ -340,6 +340,7 @@ struct protocol proto_pipe = {
.template = "pipe%d",
.multitable = 1,
.preference = DEF_PREF_PIPE,
.config_size = sizeof(struct pipe_config),
.postconfig = pipe_postconfig,
.init = pipe_init,
.start = pipe_start,
......
......@@ -40,7 +40,7 @@ CF_ADDTO(proto, radv_proto)
radv_proto_start: proto_start RADV
{
this_proto = proto_config_new(&proto_radv, sizeof(struct radv_config), $1);
this_proto = proto_config_new(&proto_radv, $1);
init_list(&RADV_CFG->patt_list);
init_list(&RADV_CFG->pref_list);
init_list(&RADV_CFG->rdnss_list);
......
......@@ -207,7 +207,7 @@ radv_iface_remove(struct radv_iface *ifa)
static void
radv_if_notify(struct proto *p, unsigned flags, struct iface *iface)
{
{
struct proto_radv *ra = (struct proto_radv *) p;
struct radv_config *cf = (struct radv_config *) (p->cf);
......@@ -361,7 +361,7 @@ radv_reconfigure(struct proto *p, struct proto_config *c)
// struct radv_config *old = (struct radv_config *) (p->cf);
struct radv_config *new = (struct radv_config *) c;
/*
/*
* The question is why there is a reconfigure function for RAdv if
* it has almost none internal state so restarting the protocol
* would probably suffice. One small reason is that restarting the
......@@ -426,6 +426,7 @@ radv_get_status(struct proto *p, byte *buf)
struct protocol proto_radv = {
.name = "RAdv",
.template = "radv%d",
.config_size = sizeof(struct radv_config),
.init = radv_init,
.start = radv_start,
.shutdown = radv_shutdown,
......
......@@ -43,7 +43,7 @@ CF_GRAMMAR
CF_ADDTO(proto, rip_cfg '}' { RIP_CFG->passwords = get_passwords(); } )
rip_cfg_start: proto_start RIP {
this_proto = proto_config_new(&proto_rip, sizeof(struct rip_proto_config), $1);
this_proto = proto_config_new(&proto_rip, $1);
rip_init_config(RIP_CFG);
}
;
......
......@@ -1050,12 +1050,12 @@ struct protocol proto_rip = {
.template = "rip%d",
.attr_class = EAP_RIP,
.preference = DEF_PREF_RIP,
.get_route_info = rip_get_route_info,
.get_attr = rip_get_attr,
.config_size = sizeof(struct rip_proto_config),
.init = rip_init,
.dump = rip_dump,
.start = rip_start,
.reconfigure = rip_reconfigure,
.copy_config = rip_copy_config
.copy_config = rip_copy_config,
.get_route_info = rip_get_route_info,
.get_attr = rip_get_attr
};
......@@ -26,7 +26,7 @@ CF_GRAMMAR
CF_ADDTO(proto, static_proto '}')
static_proto_start: proto_start STATIC {
this_proto = proto_config_new(&proto_static, sizeof(struct static_config), $1);
this_proto = proto_config_new(&proto_static, $1);
static_init_config((struct static_config *) this_proto);
}
;
......
......@@ -531,6 +531,7 @@ struct protocol proto_static = {
.name = "Static",
.template = "static%d",
.preference = DEF_PREF_STATIC,
.config_size = sizeof(struct static_config),
.init = static_init,
.dump = static_dump,
.start = static_start,
......
......@@ -251,7 +251,7 @@ 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 = (struct kif_config *) proto_config_new(&proto_unix_iface, class);
kif_cf->scan_time = 60;
init_list(&kif_cf->primary);
......@@ -280,6 +280,7 @@ struct protocol proto_unix_iface = {
.name = "Device",
.template = "device%d",
.preference = DEF_PREF_DIRECT,
.config_size = sizeof(struct kif_config),
.preconfig = kif_preconfig,
.init = kif_init,
.start = kif_start,
......@@ -1150,7 +1151,7 @@ krt_init_config(int class)
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 = (struct krt_config *) proto_config_new(&proto_unix_kernel, class);
krt_cf->scan_time = 60;
krt_sys_init_config(krt_cf);
......@@ -1202,6 +1203,7 @@ struct protocol proto_unix_kernel = {
.template = "kernel%d",
.attr_class = EAP_KRT,
.preference = DEF_PREF_INHERITED,
.config_size = sizeof(struct krt_config),
.preconfig = krt_preconfig,
.postconfig = krt_postconfig,
.init = krt_init,
......
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