Skip to content

B
babeld
Commit 1c3b2bb8 authored by Matthieu Boutier's avatar Matthieu Boutier Committed by Juliusz Chroboczek
Browse files
Options

Rename struct network to interface and associated changes.

parent 5f40b621
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 700 additions and 701 deletions
babeld.c
View file @ 1c3b2bb8
......@@ -108,7 +108,7 @@ main(int argc, char **argv)
char *config_file = NULL;
void *vrc;
unsigned int seed;
struct network *net;
struct interface *ifp;
gettime(&now);
......@@ -362,22 +362,22 @@ main(int argc, char **argv)
}
for(i = optind; i < argc; i++) {
vrc = add_network(argv[i], NULL);
vrc = add_interface(argv[i], NULL);
if(vrc == NULL)
goto fail;
}
if(networks == NULL) {
if(interfaces == NULL) {
fprintf(stderr, "Eek... asked to run on no interfaces!\n");
goto fail;
}
FOR_ALL_NETS(net) {
/* net->ifindex is not necessarily valid at this point */
int ifindex = if_nametoindex(net->ifname);
FOR_ALL_INTERFACES(ifp) {
/* ifp->ifindex is not necessarily valid at this point */
int ifindex = if_nametoindex(ifp->name);
if(ifindex > 0) {
unsigned char eui[8];
rc = if_eui64(net->ifname, ifindex, eui);
rc = if_eui64(ifp->name, ifindex, eui);
if(rc < 0)
continue;
memcpy(myid, eui, 8);
......@@ -482,7 +482,7 @@ main(int argc, char **argv)
rc = resize_receive_buffer(1500);
if(rc < 0)
goto fail;
check_networks();
check_interfaces();
if(receive_buffer == NULL)
goto fail;
......@@ -499,27 +499,27 @@ main(int argc, char **argv)
/* Make some noise so that others notice us, and send retractions in
case we were restarted recently */
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
/* Apply jitter before we send the first message. */
usleep(roughly(10000));
gettime(&now);
send_hello(net);
send_wildcard_retraction(net);
send_hello(ifp);
send_wildcard_retraction(ifp);
}
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
usleep(roughly(10000));
gettime(&now);
send_hello(net);
send_wildcard_retraction(net);
send_self_update(net);
send_request(net, NULL, 0);
flushupdates(net);
flushbuf(net);
send_hello(ifp);
send_wildcard_retraction(ifp);
send_self_update(ifp);
send_request(ifp, NULL, 0);
flushupdates(ifp);
flushbuf(ifp);
}
debugf("Entering main loop.\n");
......@@ -535,13 +535,13 @@ main(int argc, char **argv)
timeval_min_sec(&tv, source_expiry_time);
timeval_min_sec(&tv, kernel_dump_time);
timeval_min(&tv, &resend_time);
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
timeval_min(&tv, &net->flush_timeout);
timeval_min(&tv, &net->hello_timeout);
timeval_min(&tv, &net->update_timeout);
timeval_min(&tv, &net->update_flush_timeout);
timeval_min(&tv, &ifp->flush_timeout);
timeval_min(&tv, &ifp->hello_timeout);
timeval_min(&tv, &ifp->update_timeout);
timeval_min(&tv, &ifp->update_flush_timeout);
}
timeval_min(&tv, &unicast_flush_timeout);
FD_ZERO(&readfds);
......@@ -593,11 +593,11 @@ main(int argc, char **argv)
sleep(1);
}
} else {
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
if(net->ifindex == sin6.sin6_scope_id) {
parse_packet((unsigned char*)&sin6.sin6_addr, net,
if(ifp->ifindex == sin6.sin6_scope_id) {
parse_packet((unsigned char*)&sin6.sin6_addr, ifp,
receive_buffer, rc);
VALGRIND_MAKE_MEM_UNDEFINED(receive_buffer,
receive_buffer_size);
......@@ -647,7 +647,7 @@ main(int argc, char **argv)
}
if(kernel_link_changed || kernel_addr_changed) {
check_networks();
check_interfaces();
kernel_link_changed = 0;
}
......@@ -671,7 +671,7 @@ main(int argc, char **argv)
}
if(now.tv_sec >= expiry_time) {
check_networks();
check_interfaces();
expire_routes();
expire_resend();
expiry_time = now.tv_sec + roughly(30);
......@@ -682,15 +682,15 @@ main(int argc, char **argv)
source_expiry_time = now.tv_sec + roughly(300);
}
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
if(timeval_compare(&now, &net->hello_timeout) >= 0)
send_hello(net);
if(timeval_compare(&now, &net->update_timeout) >= 0)
send_update(net, 0, NULL, 0);
if(timeval_compare(&now, &net->update_flush_timeout) >= 0)
flushupdates(net);
if(timeval_compare(&now, &ifp->hello_timeout) >= 0)
send_hello(ifp);
if(timeval_compare(&now, &ifp->update_timeout) >= 0)
send_update(ifp, 0, NULL, 0);
if(timeval_compare(&now, &ifp->update_flush_timeout) >= 0)
flushupdates(ifp);
}
if(resend_time.tv_sec != 0) {
......@@ -703,12 +703,12 @@ main(int argc, char **argv)
flush_unicast(1);
}
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
if(net->flush_timeout.tv_sec != 0) {
if(timeval_compare(&now, &net->flush_timeout) >= 0)
flushbuf(net);
if(ifp->flush_timeout.tv_sec != 0) {
if(timeval_compare(&now, &ifp->flush_timeout) >= 0)
flushbuf(ifp);
}
}
......@@ -726,31 +726,31 @@ main(int argc, char **argv)
while(numroutes > 0) {
if(routes[0].installed)
uninstall_route(&routes[0]);
/* We need to flush the route so network_up won't reinstall it */
/* We need to flush the route so interface_up won't reinstall it */
flush_route(&routes[0]);
}
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
send_wildcard_retraction(net);
send_wildcard_retraction(ifp);
/* Make sure that we expire quickly from our neighbours'
association caches. */
send_hello_noupdate(net, 10);
flushbuf(net);
send_hello_noupdate(ifp, 10);
flushbuf(ifp);
usleep(roughly(1000));
gettime(&now);
}
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
/* Make sure they got it. */
send_wildcard_retraction(net);
send_hello_noupdate(net, 1);
flushbuf(net);
send_wildcard_retraction(ifp);
send_hello_noupdate(ifp, 1);
flushbuf(ifp);
usleep(roughly(10000));
gettime(&now);
network_up(net, 0);
interface_up(ifp, 0);
}
kernel_setup_socket(0);
kernel_setup(0);
......@@ -802,10 +802,10 @@ main(int argc, char **argv)
exit(1);
fail:
FOR_ALL_NETS(net) {
if(!net_up(net))
FOR_ALL_INTERFACES(ifp) {
if(!if_up(ifp))
continue;
network_up(net, 0);
interface_up(ifp, 0);
}
kernel_setup_socket(0);
kernel_setup(0);
......@@ -936,12 +936,12 @@ dump_tables(FILE *out)
FOR_ALL_NEIGHBOURS(neigh) {
fprintf(out, "Neighbour %s dev %s reach %04x rxcost %d txcost %d chan %d%s.\n",
format_address(neigh->address),
neigh->network->ifname,
neigh->ifp->name,
neigh->reach,
neighbour_rxcost(neigh),
neigh->txcost,
neigh->network->channel,
net_up(neigh->network) ? "" : " (down)");
neigh->ifp->channel,
if_up(neigh->ifp) ? "" : " (down)");
}
for(i = 0; i < numxroutes; i++) {
fprintf(out, "%s metric %d (exported)\n",
......@@ -980,7 +980,7 @@ dump_tables(FILE *out)
(int)routes[i].seqno,
channels,
(int)(now.tv_sec - routes[i].time),
routes[i].neigh->network->ifname,
routes[i].neigh->ifp->name,
format_address(routes[i].neigh->address),
nexthop ? " nexthop " : "",
nexthop ? format_address(nexthop) : "",
......
configuration.c
View file @ 1c3b2bb8
......@@ -40,7 +40,7 @@ THE SOFTWARE.
struct filter *input_filters = NULL;
struct filter *output_filters = NULL;
struct filter *redistribute_filters = NULL;
struct network_conf *network_confs = NULL;
struct interface_conf *interface_confs = NULL;
/* get_next_char callback */
typedef int (*gnc_t)(void*);
......@@ -370,15 +370,15 @@ parse_filter(gnc_t gnc, void *closure)
return NULL;
}
static struct network_conf *
parse_nconf(gnc_t gnc, void *closure)
static struct interface_conf *
parse_ifconf(gnc_t gnc, void *closure)
{
int c;
char *token;
struct network_conf *nconf;
struct interface_conf *if_conf;
nconf = calloc(1, sizeof(struct network_conf));
if(nconf == NULL)
if_conf = calloc(1, sizeof(struct interface_conf));
if(if_conf == NULL)
goto error;
c = gnc(closure);
......@@ -393,7 +393,7 @@ parse_nconf(gnc_t gnc, void *closure)
if(c < -1 || token == NULL)
goto error;
nconf->ifname = token;
if_conf->ifname = token;
while(c >= 0 && c != '\n') {
c = skip_whitespace(c, gnc, closure);
......@@ -410,43 +410,43 @@ parse_nconf(gnc_t gnc, void *closure)
c = getint(c, &cost, gnc, closure);
if(c < -1 || cost <= 0 || cost > 0xFFFF)
goto error;
nconf->cost = cost;
if_conf->cost = cost;
} else if(strcmp(token, "hello-interval") == 0) {
int interval;
c = getmsec(c, &interval, gnc, closure);
if(c < -1 || interval <= 0 || interval > 10 * 0xFFFF)
goto error;
nconf->hello_interval = interval;
if_conf->hello_interval = interval;
} else if(strcmp(token, "update-interval") == 0) {
int interval;
c = getmsec(c, &interval, gnc, closure);
if(c < -1 || interval <= 0 || interval > 10 * 0xFFFF)
goto error;
nconf->update_interval = interval;
if_conf->update_interval = interval;
} else if(strcmp(token, "wired") == 0) {
int v;
c = getbool(c, &v, gnc, closure);
if(c < -1)
goto error;
nconf->wired = v;
if_conf->wired = v;
} else if(strcmp(token, "faraway") == 0) {
int v;
c = getbool(c, &v, gnc, closure);
if(c < -1)
goto error;
nconf->faraway = v;
if_conf->faraway = v;
} else if(strcmp(token, "link-quality") == 0) {
int v;
c = getbool(c, &v, gnc, closure);
if(c < -1)
goto error;
nconf->lq = v;
if_conf->lq = v;
} else if(strcmp(token, "split-horizon") == 0) {
int v;
c = getbool(c, &v, gnc, closure);
if(c < -1)
goto error;
nconf->split_horizon = v;
if_conf->split_horizon = v;
} else if(strcmp(token, "channel") == 0) {
char *t, *end;
......@@ -455,19 +455,19 @@ parse_nconf(gnc_t gnc, void *closure)
goto error;
if(strcmp(t, "noninterfering") == 0)
nconf->channel = NET_CHANNEL_NONINTERFERING;
if_conf->channel = IF_CHANNEL_NONINTERFERING;
else if(strcmp(t, "interfering") == 0)
nconf->channel = NET_CHANNEL_INTERFERING;
if_conf->channel = IF_CHANNEL_INTERFERING;
else {
nconf->channel = strtol(t, &end, 0);
if_conf->channel = strtol(t, &end, 0);
if(*end != '\0')
goto error;
}
free(t);
if((nconf->channel < 1 || nconf->channel > 254) &&
nconf->channel != NET_CHANNEL_NONINTERFERING)
if((if_conf->channel < 1 || if_conf->channel > 254) &&
if_conf->channel != IF_CHANNEL_NONINTERFERING)
goto error;
} else {
goto error;
......@@ -475,10 +475,10 @@ parse_nconf(gnc_t gnc, void *closure)
free(token);
}
return nconf;
return if_conf;
error:
free(nconf);
free(if_conf);
return NULL;
}
......@@ -499,7 +499,7 @@ add_filter(struct filter *filter, struct filter **filters)
}
static void
merge_nconf(struct network_conf *dest, struct network_conf *src)
merge_ifconf(struct interface_conf *dest, struct interface_conf *src)
{
assert(strcmp(dest->ifname, src->ifname) == 0);
......@@ -520,24 +520,24 @@ merge_nconf(struct network_conf *dest, struct network_conf *src)
}
static void
add_nconf(struct network_conf *nconf, struct network_conf **nconfs)
add_ifconf(struct interface_conf *if_conf, struct interface_conf **if_confs)
{
if(*nconfs == NULL) {
nconf->next = NULL;
*nconfs = nconf;
if(*if_confs == NULL) {
if_conf->next = NULL;
*if_confs = if_conf;
} else {
struct network_conf *n;
n = *nconfs;
while(n->next) {
if(strcmp(n->ifname, nconf->ifname) == 0) {
merge_nconf(n, nconf);
free(nconf);
struct interface_conf *if_c;
if_c = *if_confs;
while(if_c->next) {
if(strcmp(if_c->ifname, if_conf->ifname) == 0) {
merge_ifconf(if_c, if_conf);
free(if_conf);
return;
}
n = n->next;
if_c = if_c->next;
}
nconf->next = NULL;
n->next = nconf;
if_conf->next = NULL;
if_c->next = if_conf;
}
}
......@@ -582,11 +582,11 @@ parse_config(gnc_t gnc, void *closure)
return -1;
add_filter(filter, &redistribute_filters);
} else if(strcmp(token, "interface") == 0) {
struct network_conf *nconf;
nconf = parse_nconf(gnc, closure);
if(nconf == NULL)
struct interface_conf *if_conf;
if_conf = parse_ifconf(gnc, closure);
if(if_conf == NULL)
return -1;
add_nconf(nconf, &network_confs);
add_ifconf(if_conf, &interface_confs);
} else {
return -1;
}
......@@ -759,15 +759,15 @@ finalise_config()
filter->plen_le = 128;
add_filter(filter, &redistribute_filters);
while(network_confs) {
struct network_conf *n;
while(interface_confs) {
struct interface_conf *if_conf;
void *vrc;
n = network_confs;
network_confs = network_confs->next;
n->next = NULL;
vrc = add_network(n->ifname, n);
if_conf = interface_confs;
interface_confs = interface_confs->next;
if_conf->next = NULL;
vrc = add_interface(if_conf->ifname, if_conf);
if(vrc == NULL) {
fprintf(stderr, "Couldn't add interface %s.\n", n->ifname);
fprintf(stderr, "Couldn't add interface %s.\n", if_conf->ifname);
return -1;
}
}
......
kernel_netlink.c
View file @ 1c3b2bb8
......@@ -1239,7 +1239,7 @@ filter_link(struct nlmsghdr *nh, void *data)
int ifindex;
char *ifname;
unsigned int ifflags;
struct network *net;
struct interface *ifp;
len = nh->nlmsg_len;
......@@ -1257,8 +1257,8 @@ filter_link(struct nlmsghdr *nh, void *data)
return 0;
kdebugf("filter_interfaces: link change on if %s(%d): 0x%x\n",
ifname, ifindex, (unsigned)ifflags);
FOR_ALL_NETS(net) {
if (strcmp(net->ifname, ifname) == 0)
FOR_ALL_INTERFACES(ifp) {
if (strcmp(ifp->name, ifname) == 0)
return 1;
}
return 0;
......
local.c
View file @ 1c3b2bb8
......@@ -140,7 +140,7 @@ local_notify_neighbour(struct neighbour *neigh, int kind)
address as a unique identifier. */
(unsigned long int)neigh,
format_address(neigh->address),
neigh->network->ifname,
neigh->ifp->name,
neigh->reach,
neighbour_rxcost(neigh),
neighbour_txcost(neigh),
......@@ -207,7 +207,7 @@ local_notify_route(struct route *route, int kind)
format_eui64(route->src->id),
route_metric(route), route->refmetric,
format_address(route->neigh->address),
route->neigh->network->ifname);
route->neigh->ifp->name);
if(rc < 0 || rc >= 512)
goto fail;
......
message.c
View file @ 1c3b2bb8
This diff is collapsed.
message.h
View file @ 1c3b2bb8
......@@ -50,29 +50,29 @@ extern unsigned char packet_header[4];
extern struct neighbour *unicast_neighbour;
extern struct timeval unicast_flush_timeout;
void parse_packet(const unsigned char *from, struct network *net,
void parse_packet(const unsigned char *from, struct interface *ifp,
const unsigned char *packet, int packetlen);
void flushbuf(struct network *net);
void flushupdates(struct network *net);
void flushbuf(struct interface *ifp);
void flushupdates(struct interface *ifp);
void send_ack(struct neighbour *neigh, unsigned short nonce,
unsigned short interval);
void send_hello_noupdate(struct network *net, unsigned interval);
void send_hello(struct network *net);
void send_hello_noupdate(struct interface *ifp, unsigned interval);
void send_hello(struct interface *ifp);
void flush_unicast(int dofree);
void send_update(struct network *net, int urgent,
void send_update(struct interface *ifp, int urgent,
const unsigned char *prefix, unsigned char plen);
void send_update_resend(struct network *net,
void send_update_resend(struct interface *ifp,
const unsigned char *prefix, unsigned char plen);
void send_wildcard_retraction(struct network *net);
void send_wildcard_retraction(struct interface *ifp);
void update_myseqno(void);
void send_self_update(struct network *net);
void send_ihu(struct neighbour *neigh, struct network *net);
void send_marginal_ihu(struct network *net);
void send_request(struct network *net,
void send_self_update(struct interface *ifp);
void send_ihu(struct neighbour *neigh, struct interface *ifp);
void send_marginal_ihu(struct interface *ifp);
void send_request(struct interface *ifp,
const unsigned char *prefix, unsigned char plen);
void send_unicast_request(struct neighbour *neigh,
const unsigned char *prefix, unsigned char plen);
void send_multihop_request(struct network *net,
void send_multihop_request(struct interface *ifp,
const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id,
unsigned short hop_count);
......
neighbour.c
View file @ 1c3b2bb8
......@@ -39,12 +39,12 @@ THE SOFTWARE.
struct neighbour *neighs = NULL;
static struct neighbour *
find_neighbour_nocreate(const unsigned char *address, struct network *net)
find_neighbour_nocreate(const unsigned char *address, struct interface *ifp)
{
struct neighbour *neigh;
FOR_ALL_NEIGHBOURS(neigh) {
if(memcmp(address, neigh->address, 16) == 0 &&
neigh->network == net)
neigh->ifp == ifp)
return neigh;
}
return NULL;
......@@ -71,17 +71,17 @@ flush_neighbour(struct neighbour *neigh)
}
struct neighbour *
find_neighbour(const unsigned char *address, struct network *net)
find_neighbour(const unsigned char *address, struct interface *ifp)
{
struct neighbour *neigh;
const struct timeval zero = {0, 0};
neigh = find_neighbour_nocreate(address, net);
neigh = find_neighbour_nocreate(address, ifp);
if(neigh)
return neigh;
debugf("Creating neighbour %s on %s.\n",
format_address(address), net->ifname);
format_address(address), ifp->name);
neigh = malloc(sizeof(struct neighbour));
if(neigh == NULL) {
......@@ -97,11 +97,11 @@ find_neighbour(const unsigned char *address, struct network *net)
neigh->hello_time = zero;
neigh->hello_interval = 0;
neigh->ihu_interval = 0;
neigh->network = net;
neigh->ifp = ifp;
neigh->next = neighs;
neighs = neigh;
local_notify_neighbour(neigh, LOCAL_ADD);
send_hello(net);
send_hello(ifp);
return neigh;
}
......@@ -174,14 +174,14 @@ update_neighbour(struct neighbour *neigh, int hello, int hello_interval)
/* Make sure to give neighbours some feedback early after association */
if((neigh->reach & 0xBF00) == 0x8000) {
/* A new neighbour */
send_hello(neigh->network);
send_hello(neigh->ifp);
} else {
/* Don't send hellos, in order to avoid a positive feedback loop. */
int a = (neigh->reach & 0xC000);
int b = (neigh->reach & 0x3000);
if((a == 0xC000 && b == 0) || (a == 0 && b == 0x3000)) {
/* Reachability is either 1100 or 0011 */
send_self_update(neigh->network);
send_self_update(neigh->ifp);
}
}
......@@ -269,25 +269,25 @@ neighbour_rxcost(struct neighbour *neigh)
if((reach & 0xFFF0) == 0 || delay >= 180000) {
return INFINITY;
} else if((neigh->network->flags & NET_LQ)) {
} else if((neigh->ifp->flags & IF_LQ)) {
int sreach =
((reach & 0x8000) >> 2) +
((reach & 0x4000) >> 1) +
(reach & 0x3FFF);
/* 0 <= sreach <= 0x7FFF */
int cost = (0x8000 * neigh->network->cost) / (sreach + 1);
/* cost >= network->cost */
int cost = (0x8000 * neigh->ifp->cost) / (sreach + 1);
/* cost >= interface->cost */
if(delay >= 40000)
cost = (cost * (delay - 20000) + 10000) / 20000;
return MIN(cost, INFINITY);
} else {
/* To lose one hello is a misfortune, to lose two is carelessness. */
if((reach & 0xC000) == 0xC000)
return neigh->network->cost;
return neigh->ifp->cost;
else if((reach & 0xC000) == 0)
return INFINITY;
else if((reach & 0x2000))
return neigh->network->cost;
return neigh->ifp->cost;
else
return INFINITY;
}
......@@ -298,7 +298,7 @@ neighbour_cost(struct neighbour *neigh)
{
unsigned a, b;
if(!net_up(neigh->network))
if(!if_up(neigh->ifp))
return INFINITY;
a = neighbour_txcost(neigh);
......@@ -310,7 +310,7 @@ neighbour_cost(struct neighbour *neigh)
if(b >= INFINITY)
return INFINITY;
if(!(neigh->network->flags & NET_LQ) || (a <= 256 && b <= 256)) {
if(!(neigh->ifp->flags & IF_LQ) || (a <= 256 && b <= 256)) {
return a;
} else {
/* a = 256/alpha, b = 256/beta, where alpha and beta are the expected
......
neighbour.h
View file @ 1c3b2bb8
......@@ -31,7 +31,7 @@ struct neighbour {
struct timeval ihu_time;
unsigned short hello_interval; /* in centiseconds */
unsigned short ihu_interval; /* in centiseconds */
struct network *network;
struct interface *ifp;
};
extern struct neighbour *neighs;
......@@ -42,7 +42,7 @@ extern struct neighbour *neighs;
int neighbour_valid(struct neighbour *neigh);
void flush_neighbour(struct neighbour *neigh);
struct neighbour *find_neighbour(const unsigned char *address,
struct network *net);
struct interface *ifp);
int update_neighbour(struct neighbour *neigh, int hello, int hello_interval);
unsigned check_neighbours(void);
unsigned neighbour_txcost(struct neighbour *neigh);
......
network.c
View file @ 1c3b2bb8
This diff is collapsed.
network.h
View file @ 1c3b2bb8
......@@ -27,7 +27,7 @@ struct buffered_update {
unsigned char pad[3];
};
struct network_conf {
struct interface_conf {
char *ifname;
unsigned hello_interval;
unsigned update_interval;
......@@ -37,27 +37,27 @@ struct network_conf {
char lq;
char faraway;
int channel;
struct network_conf *next;
struct interface_conf *next;
};
#define CONFIG_DEFAULT 0
#define CONFIG_NO 1
#define CONFIG_YES 2
#define NET_UP (1 << 0)
#define NET_WIRED (1<<1)
#define NET_SPLIT_HORIZON (1 << 2)
#define NET_LQ (1 << 3)
#define NET_FARAWAY (1 << 4)
#define IF_UP (1 << 0)
#define IF_WIRED (1<<1)
#define IF_SPLIT_HORIZON (1 << 2)
#define IF_LQ (1 << 3)
#define IF_FARAWAY (1 << 4)
/* Only INTERFERING can appear on the wire. */
#define NET_CHANNEL_UNKNOWN 0
#define NET_CHANNEL_INTERFERING 255
#define NET_CHANNEL_NONINTERFERING -2
#define IF_CHANNEL_UNKNOWN 0
#define IF_CHANNEL_INTERFERING 255
#define IF_CHANNEL_NONINTERFERING -2
struct network {
struct network *next;
struct network_conf *conf;
struct interface {
struct interface *next;
struct interface_conf *conf;
unsigned int ifindex;
unsigned short flags;
unsigned short cost;
......@@ -66,7 +66,7 @@ struct network {
struct timeval update_timeout;
struct timeval flush_timeout;
struct timeval update_flush_timeout;
char ifname[IF_NAMESIZE];
char name[IF_NAMESIZE];
unsigned char *ipv4;
int numll;
unsigned char (*ll)[16];
......@@ -91,26 +91,25 @@ struct network {
unsigned update_interval;
};
#define NET_CONF(_net, _field) \
((_net)->conf ? (_net)->conf->_field : 0)
#define IF_CONF(_ifp, _field) \
((_ifp)->conf ? (_ifp)->conf->_field : 0)
extern struct network *networks;
extern int numnets;
extern struct interface *interfaces;
#define FOR_ALL_NETS(_net) for(_net = networks; _net; _net = _net->next)
#define FOR_ALL_INTERFACES(_ifp) for(_ifp = interfaces; _ifp; _ifp = _ifp->next)
static inline int
net_up(struct network *net)
if_up(struct interface *ifp)
{
return !!(net->flags & NET_UP);
return !!(ifp->flags & IF_UP);
}
struct network *add_network(char *ifname, struct network_conf *conf);
int network_idle(struct network *net);
int update_hello_interval(struct network *net);
unsigned jitter(struct network *net, int urgent);
unsigned update_jitter(struct network *net, int urgent);
struct interface *add_interface(char *ifname, struct interface_conf *if_conf);
int interface_idle(struct interface *ifp);
int update_hello_interval(struct interface *ifp);
unsigned jitter(struct interface *ifp, int urgent);
unsigned update_jitter(struct interface *ifp, int urgent);
void set_timeout(struct timeval *timeout, int msecs);
int network_up(struct network *net, int up);
int network_ll_address(struct network *net, const unsigned char *address);
void check_networks(void);
int interface_up(struct interface *ifp, int up);
int interface_ll_address(struct interface *ifp, const unsigned char *address);
void check_interfaces(void);
resend.c
View file @ 1c3b2bb8
......@@ -83,10 +83,10 @@ find_request(const unsigned char *prefix, unsigned char plen,
int
record_resend(int kind, const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id,
struct network *network, int delay)
struct interface *ifp, int delay)
{
struct resend *resend;
unsigned int ifindex = network ? network->ifindex : 0;
unsigned int ifindex = ifp ? ifp->ifindex : 0;
if((kind == RESEND_REQUEST &&
input_filter(NULL, prefix, plen, NULL, ifindex) >= INFINITY) ||
......@@ -114,8 +114,8 @@ record_resend(int kind, const unsigned char *prefix, unsigned char plen,
else
memset(resend->id, 0, 8);
resend->seqno = seqno;
if(resend->network != network)
resend->network = NULL;
if(resend->ifp != ifp)
resend->ifp = NULL;
} else {
resend = malloc(sizeof(struct resend));
if(resend == NULL)
......@@ -130,7 +130,7 @@ record_resend(int kind, const unsigned char *prefix, unsigned char plen,
memcpy(resend->id, id, 8);
else
memset(resend->id, 0, 8);
resend->network = network;
resend->ifp = ifp;
resend->time = now;
resend->next = to_resend;
to_resend = resend;
......@@ -174,7 +174,7 @@ unsatisfied_request(const unsigned char *prefix, unsigned char plen,
/* Determine whether a given request should be forwarded. */
int
request_redundant(struct network *net,
request_redundant(struct interface *ifp,
const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id)
{
......@@ -188,7 +188,7 @@ request_redundant(struct network *net,
seqno_compare(request->seqno, seqno) > 0)
return 0;
if(request->network != NULL && request->network != net)
if(request->ifp != NULL && request->ifp != ifp)
return 0;
if(request->max > 0)
......@@ -196,7 +196,7 @@ request_redundant(struct network *net,
return 1;
if(timeval_minus_msec(&now, &request->time) <
(net ? MIN(net->hello_interval, 1000) : 1000))
(ifp ? MIN(ifp->hello_interval, 1000) : 1000))
/* Fairly recent. */
return 1;
......@@ -206,7 +206,7 @@ request_redundant(struct network *net,
int
satisfy_request(const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id,
struct network *network)
struct interface *ifp)
{
struct resend *request, *previous;
......@@ -214,7 +214,7 @@ satisfy_request(const unsigned char *prefix, unsigned char plen,
if(request == NULL)
return 0;
if(network != NULL && request->network != network)
if(ifp != NULL && request->ifp != ifp)
return 0;
if(memcmp(request->id, id, 8) != 0 ||
......@@ -291,12 +291,12 @@ do_resend()
if(timeval_compare(&now, &timeout) >= 0) {
switch(resend->kind) {
case RESEND_REQUEST:
send_multihop_request(resend->network,
send_multihop_request(resend->ifp,
resend->prefix, resend->plen,
resend->seqno, resend->id, 127);
break;
case RESEND_UPDATE:
send_update(resend->network, 1,
send_update(resend->ifp, 1,
resend->prefix, resend->plen);
break;
default: abort();
......
resend.h
View file @ 1c3b2bb8
......@@ -35,7 +35,7 @@ struct resend {
unsigned char plen;
unsigned short seqno;
unsigned char id[8];
struct network *network;
struct interface *ifp;
struct resend *next;
};
......@@ -46,15 +46,15 @@ struct resend *find_request(const unsigned char *prefix, unsigned char plen,
void flush_resends(struct neighbour *neigh);
int record_resend(int kind, const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id,
struct network *net, int delay);
struct interface *ifp, int delay);
int unsatisfied_request(const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id);
int request_redundant(struct network *net,
int request_redundant(struct interface *ifp,
const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id);
int satisfy_request(const unsigned char *prefix, unsigned char plen,
unsigned short seqno, const unsigned char *id,
struct network *net);
struct interface *ifp);
void expire_resend(void);
void recompute_resend_time(void);
......
route.c
View file @ 1c3b2bb8
......@@ -134,13 +134,13 @@ flush_neighbour_routes(struct neighbour *neigh)
}
void
flush_network_routes(struct network *net, int v4only)
flush_interface_routes(struct interface *ifp, int v4only)
{
int i;
i = 0;
while(i < numroutes) {
if(routes[i].neigh->network == net &&
if(routes[i].neigh->ifp == ifp &&
(!v4only || v4mapped(routes[i].nexthop))) {
flush_route(&routes[i]);
continue;
......@@ -169,7 +169,7 @@ install_route(struct route *route)
rc = kernel_route(ROUTE_ADD, route->src->prefix, route->src->plen,
route->nexthop,
route->neigh->network->ifindex,
route->neigh->ifp->ifindex,
metric_to_kernel(route_metric(route)), NULL, 0, 0);
if(rc < 0) {
int save = errno;
......@@ -191,7 +191,7 @@ uninstall_route(struct route *route)
rc = kernel_route(ROUTE_FLUSH, route->src->prefix, route->src->plen,
route->nexthop,
route->neigh->network->ifindex,
route->neigh->ifp->ifindex,
metric_to_kernel(route_metric(route)), NULL, 0, 0);
if(rc < 0)
perror("kernel_route(FLUSH)");
......@@ -222,9 +222,9 @@ switch_routes(struct route *old, struct route *new)
"(this shouldn't happen).");
rc = kernel_route(ROUTE_MODIFY, old->src->prefix, old->src->plen,
old->nexthop, old->neigh->network->ifindex,
old->nexthop, old->neigh->ifp->ifindex,
metric_to_kernel(route_metric(old)),
new->nexthop, new->neigh->network->ifindex,
new->nexthop, new->neigh->ifp->ifindex,
metric_to_kernel(route_metric(new)));
if(rc < 0) {
perror("kernel_route(MODIFY)");
......@@ -251,9 +251,9 @@ change_route_metric(struct route *route,
if(route->installed && old != new) {
int rc;
rc = kernel_route(ROUTE_MODIFY, route->src->prefix, route->src->plen,
route->nexthop, route->neigh->network->ifindex,
route->nexthop, route->neigh->ifp->ifindex,
old,
route->nexthop, route->neigh->network->ifindex,
route->nexthop, route->neigh->ifp->ifindex,
new);
if(rc < 0) {
perror("kernel_route(MODIFY metric)");
......@@ -294,33 +294,33 @@ route_expired(struct route *route)
static int
channels_interfere(int ch1, int ch2)
{
if(ch1 == NET_CHANNEL_NONINTERFERING || ch2 == NET_CHANNEL_NONINTERFERING)
if(ch1 == IF_CHANNEL_NONINTERFERING || ch2 == IF_CHANNEL_NONINTERFERING)
return 0;
if(ch1 == NET_CHANNEL_INTERFERING || ch2 == NET_CHANNEL_INTERFERING)
if(ch1 == IF_CHANNEL_INTERFERING || ch2 == IF_CHANNEL_INTERFERING)
return 1;
return ch1 == ch2;
}
int
route_interferes(struct route *route, struct network *net)
route_interferes(struct route *route, struct interface *ifp)
{
switch(diversity_kind) {
case DIVERSITY_NONE:
return 1;
case DIVERSITY_INTERFACE_1:
return route->neigh->network == net;
return route->neigh->ifp == ifp;
case DIVERSITY_CHANNEL_1:
case DIVERSITY_CHANNEL:
if(route->neigh->network == net)
if(route->neigh->ifp == ifp)
return 1;
if(channels_interfere(net->channel, route->neigh->network->channel))
if(channels_interfere(ifp->channel, route->neigh->ifp->channel))
return 1;
if(diversity_kind == DIVERSITY_CHANNEL) {
int i;
for(i = 0; i < DIVERSITY_HOPS; i++) {
if(route->channels[i] == 0)
break;
if(channels_interfere(net->channel, route->channels[i]))
if(channels_interfere(ifp->channel, route->channels[i]))
return 1;
}
}
......@@ -391,7 +391,7 @@ update_route_metric(struct route *route)
int add_metric = input_filter(route->src->id,
route->src->prefix, route->src->plen,
neigh->address,
neigh->network->ifindex);
neigh->ifp->ifindex);
change_route_metric(route, route->refmetric,
neighbour_cost(route->neigh), add_metric);
if(route_metric(route) != oldmetric)
......@@ -420,13 +420,13 @@ update_neighbour_metric(struct neighbour *neigh, int changed)
}
void
update_network_metric(struct network *net)
update_interface_metric(struct interface *ifp)
{
int i;
i = 0;
while(i < numroutes) {
if(routes[i].neigh->network == net)
if(routes[i].neigh->ifp == ifp)
update_route_metric(&routes[i]);
i++;
}
......@@ -456,7 +456,7 @@ update_route(const unsigned char *a, const unsigned char *p, unsigned char plen,
}
add_metric = input_filter(a, p, plen,
neigh->address, neigh->network->ifindex);
neigh->address, neigh->ifp->ifindex);
if(add_metric >= INFINITY)
return NULL;
......
route.h
View file @ 1c3b2bb8
......@@ -71,14 +71,14 @@ struct route *find_installed_route(const unsigned char *prefix,
unsigned char plen);
void flush_route(struct route *route);
void flush_neighbour_routes(struct neighbour *neigh);
void flush_network_routes(struct network *net, int v4only);
void flush_interface_routes(struct interface *ifp, int v4only);
void install_route(struct route *route);
void uninstall_route(struct route *route);
void switch_route(struct route *old, struct route *new);
int route_feasible(struct route *route);
int route_old(struct route *route);
int route_expired(struct route *route);
int route_interferes(struct route *route, struct network *net);
int route_interferes(struct route *route, struct interface *ifp);
int update_feasible(struct source *src,
unsigned short seqno, unsigned short refmetric);
struct route *find_best_route(const unsigned char *prefix, unsigned char plen,
......@@ -86,7 +86,7 @@ struct route *find_best_route(const unsigned char *prefix, unsigned char plen,
struct route *install_best_route(const unsigned char prefix[16],
unsigned char plen);
void update_neighbour_metric(struct neighbour *neigh, int changed);
void update_network_metric(struct network *net);
void update_interface_metric(struct interface *ifp);
void update_route_metric(struct route *route);
struct route *update_route(const unsigned char *a,
const unsigned char *p, unsigned char plen,
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7