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Diffstat (limited to 'zebra')
-rw-r--r--zebra/rib.h24
-rw-r--r--zebra/rt_netlink.c1125
-rw-r--r--zebra/zebra_rib.c55
-rw-r--r--zebra/zebra_vty.c74
4 files changed, 665 insertions, 613 deletions
diff --git a/zebra/rib.h b/zebra/rib.h
index 5b0dcfe9..1141db11 100644
--- a/zebra/rib.h
+++ b/zebra/rib.h
@@ -123,22 +123,26 @@ struct static_ipv6
};
#endif /* HAVE_IPV6 */
+enum nexthop_types_t
+{
+ NEXTHOP_TYPE_IFINDEX = 1, /* Directly connected. */
+ NEXTHOP_TYPE_IFNAME, /* Interface route. */
+ NEXTHOP_TYPE_IPV4, /* IPv4 nexthop. */
+ NEXTHOP_TYPE_IPV4_IFINDEX, /* IPv4 nexthop with ifindex. */
+ NEXTHOP_TYPE_IPV4_IFNAME, /* IPv4 nexthop with ifname. */
+ NEXTHOP_TYPE_IPV6, /* IPv6 nexthop. */
+ NEXTHOP_TYPE_IPV6_IFINDEX, /* IPv6 nexthop with ifindex. */
+ NEXTHOP_TYPE_IPV6_IFNAME, /* IPv6 nexthop with ifname. */
+ NEXTHOP_TYPE_BLACKHOLE, /* Null0 nexthop. */
+};
+
/* Nexthop structure. */
struct nexthop
{
struct nexthop *next;
struct nexthop *prev;
- u_char type;
-#define NEXTHOP_TYPE_IFINDEX 1 /* Directly connected. */
-#define NEXTHOP_TYPE_IFNAME 2 /* Interface route. */
-#define NEXTHOP_TYPE_IPV4 3 /* IPv4 nexthop. */
-#define NEXTHOP_TYPE_IPV4_IFINDEX 4 /* IPv4 nexthop with ifindex. */
-#define NEXTHOP_TYPE_IPV4_IFNAME 5 /* IPv4 nexthop with ifname. */
-#define NEXTHOP_TYPE_IPV6 6 /* IPv6 nexthop. */
-#define NEXTHOP_TYPE_IPV6_IFINDEX 7 /* IPv6 nexthop with ifindex. */
-#define NEXTHOP_TYPE_IPV6_IFNAME 8 /* IPv6 nexthop with ifname. */
-#define NEXTHOP_TYPE_BLACKHOLE 9 /* Null0 nexthop. */
+ enum nexthop_types_t type;
u_char flags;
#define NEXTHOP_FLAG_ACTIVE (1 << 0) /* This nexthop is alive. */
diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index b38df20b..a2efa17a 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -48,12 +48,11 @@ struct nlsock
int seq;
struct sockaddr_nl snl;
char *name;
-} netlink = { -1, 0, {0}, "netlink-listen" }, /* kernel messages */
- netlink_cmd = { -1, 0, {0}, "netlink-cmd" }, /* command channel */
- netlink_addr = {-1, 0, {0}, "netlink-addr" }; /* address channel */
+} netlink = { -1, 0, {0}, "netlink-listen"}, /* kernel messages */
+ netlink_cmd = { -1, 0, {0}, "netlink-cmd"}, /* command channel */
+ netlink_addr = { -1, 0, {0}, "netlink-addr"}; /* address channel */
-struct message nlmsg_str[] =
-{
+struct message nlmsg_str[] = {
{RTM_NEWROUTE, "RTM_NEWROUTE"},
{RTM_DELROUTE, "RTM_DELROUTE"},
{RTM_GETROUTE, "RTM_GETROUTE"},
@@ -63,9 +62,24 @@ struct message nlmsg_str[] =
{RTM_NEWADDR, "RTM_NEWADDR"},
{RTM_DELADDR, "RTM_DELADDR"},
{RTM_GETADDR, "RTM_GETADDR"},
- {0, NULL}
+ {0, NULL}
+};
+
+char *nexthop_types_desc[] =
+{
+ "none",
+ "Directly connected",
+ "Interface route",
+ "IPv4 nexthop",
+ "IPv4 nexthop with ifindex",
+ "IPv4 nexthop with ifname",
+ "IPv6 nexthop"
+ "IPv6 nexthop with ifindex",
+ "IPv6 nexthop with ifname",
+ "Null0 nexthop",
};
+
extern struct zebra_t zebrad;
extern struct zebra_privs_t zserv_privs;
@@ -83,7 +97,7 @@ netlink_socket (struct nlsock *nl, unsigned long groups)
if (sock < 0)
{
zlog (NULL, LOG_ERR, "Can't open %s socket: %s", nl->name,
- strerror (errno));
+ strerror (errno));
return -1;
}
@@ -91,34 +105,34 @@ netlink_socket (struct nlsock *nl, unsigned long groups)
if (ret < 0)
{
zlog (NULL, LOG_ERR, "Can't set %s socket flags: %s", nl->name,
- strerror (errno));
+ strerror (errno));
close (sock);
return -1;
}
-
+
memset (&snl, 0, sizeof snl);
snl.nl_family = AF_NETLINK;
snl.nl_groups = groups;
/* Bind the socket to the netlink structure for anything. */
- if ( zserv_privs.change(ZPRIVS_RAISE) )
- {
- zlog (NULL, LOG_ERR, "Can't raise privileges");
- return -1;
- }
+ if (zserv_privs.change (ZPRIVS_RAISE))
+ {
+ zlog (NULL, LOG_ERR, "Can't raise privileges");
+ return -1;
+ }
ret = bind (sock, (struct sockaddr *) &snl, sizeof snl);
if (ret < 0)
{
- if ( zserv_privs.change(ZPRIVS_LOWER) )
+ if (zserv_privs.change (ZPRIVS_LOWER))
zlog (NULL, LOG_ERR, "Can't lower privileges");
- zlog (NULL, LOG_ERR, "Can't bind %s socket to group 0x%x: %s",
- nl->name, snl.nl_groups, strerror (errno));
+ zlog (NULL, LOG_ERR, "Can't bind %s socket to group 0x%x: %s",
+ nl->name, snl.nl_groups, strerror (errno));
close (sock);
return -1;
}
-
- if ( zserv_privs.change(ZPRIVS_LOWER) )
+
+ if (zserv_privs.change (ZPRIVS_LOWER))
zlog (NULL, LOG_ERR, "Can't lower privileges");
/* multiple netlink sockets will have different nl_pid */
@@ -127,7 +141,7 @@ netlink_socket (struct nlsock *nl, unsigned long groups)
if (ret < 0 || namelen != sizeof snl)
{
zlog (NULL, LOG_ERR, "Can't get %s socket name: %s", nl->name,
- strerror (errno));
+ strerror (errno));
close (sock);
return -1;
}
@@ -137,34 +151,36 @@ netlink_socket (struct nlsock *nl, unsigned long groups)
return ret;
}
-int set_netlink_blocking(struct nlsock *nl, int *flags)
+int
+set_netlink_blocking (struct nlsock *nl, int *flags)
{
/* Change socket flags for blocking I/O. */
- if((*flags = fcntl(nl->sock, F_GETFL, 0)) < 0)
+ if ((*flags = fcntl (nl->sock, F_GETFL, 0)) < 0)
{
- zlog (NULL, LOG_ERR, "%s:%i F_GETFL error: %s",
- __FUNCTION__, __LINE__, strerror (errno));
+ zlog (NULL, LOG_ERR, "%s:%i F_GETFL error: %s",
+ __FUNCTION__, __LINE__, strerror (errno));
return -1;
}
*flags &= ~O_NONBLOCK;
- if(fcntl(nl->sock, F_SETFL, *flags) < 0)
+ if (fcntl (nl->sock, F_SETFL, *flags) < 0)
{
- zlog (NULL, LOG_ERR, "%s:%i F_SETFL error: %s",
- __FUNCTION__, __LINE__, strerror (errno));
+ zlog (NULL, LOG_ERR, "%s:%i F_SETFL error: %s",
+ __FUNCTION__, __LINE__, strerror (errno));
return -1;
}
return 0;
}
-int set_netlink_nonblocking(struct nlsock *nl, int *flags)
-{
+int
+set_netlink_nonblocking (struct nlsock *nl, int *flags)
+{
/* Restore socket flags for nonblocking I/O */
*flags |= O_NONBLOCK;
- if(fcntl(nl->sock, F_SETFL, *flags) < 0)
+ if (fcntl (nl->sock, F_SETFL, *flags) < 0)
{
- zlog (NULL, LOG_ERR, "%s:%i F_SETFL error: %s",
- __FUNCTION__, __LINE__, strerror (errno));
+ zlog (NULL, LOG_ERR, "%s:%i F_SETFL error: %s",
+ __FUNCTION__, __LINE__, strerror (errno));
return -1;
}
return 0;
@@ -204,21 +220,22 @@ netlink_request (int family, int type, struct nlsock *nl)
/* linux appears to check capabilities on every message
* have to raise caps for every message sent
*/
- if ( zserv_privs.change(ZPRIVS_RAISE) )
+ if (zserv_privs.change (ZPRIVS_RAISE))
{
zlog (NULL, LOG_ERR, "Can't raise privileges");
return -1;
}
-
- ret = sendto (nl->sock, (void*) &req, sizeof req, 0,
- (struct sockaddr*) &snl, sizeof snl);
-
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog (NULL, LOG_ERR, "Can't lower privileges");
-
+
+ ret = sendto (nl->sock, (void *) &req, sizeof req, 0,
+ (struct sockaddr *) &snl, sizeof snl);
+
+ if (zserv_privs.change (ZPRIVS_LOWER))
+ zlog (NULL, LOG_ERR, "Can't lower privileges");
+
if (ret < 0)
- {
- zlog (NULL, LOG_ERR, "%s sendto failed: %s", nl->name, strerror (errno));
+ {
+ zlog (NULL, LOG_ERR, "%s sendto failed: %s", nl->name,
+ strerror (errno));
return -1;
}
@@ -229,7 +246,7 @@ netlink_request (int family, int type, struct nlsock *nl)
to the given function. */
static int
netlink_parse_info (int (*filter) (struct sockaddr_nl *, struct nlmsghdr *),
- struct nlsock *nl)
+ struct nlsock *nl)
{
int status;
int ret = 0;
@@ -240,154 +257,153 @@ netlink_parse_info (int (*filter) (struct sockaddr_nl *, struct nlmsghdr *),
char buf[4096];
struct iovec iov = { buf, sizeof buf };
struct sockaddr_nl snl;
- struct msghdr msg = { (void*)&snl, sizeof snl, &iov, 1, NULL, 0, 0};
+ struct msghdr msg = { (void *) &snl, sizeof snl, &iov, 1, NULL, 0, 0 };
struct nlmsghdr *h;
- if ( zserv_privs.change(ZPRIVS_RAISE) )
+ if (zserv_privs.change (ZPRIVS_RAISE))
zlog (NULL, LOG_ERR, "Can't raise privileges");
-
+
status = recvmsg (nl->sock, &msg, 0);
-
- if ( zserv_privs.change(ZPRIVS_LOWER) )
+
+ if (zserv_privs.change (ZPRIVS_LOWER))
zlog (NULL, LOG_ERR, "Can't lower privileges");
if (status < 0)
- {
- if (errno == EINTR)
- continue;
- if (errno == EWOULDBLOCK || errno == EAGAIN)
- break;
- zlog (NULL, LOG_ERR, "%s recvmsg overrun", nl->name);
- continue;
- }
+ {
+ if (errno == EINTR)
+ continue;
+ if (errno == EWOULDBLOCK || errno == EAGAIN)
+ break;
+ zlog (NULL, LOG_ERR, "%s recvmsg overrun", nl->name);
+ continue;
+ }
if (status == 0)
- {
- zlog (NULL, LOG_ERR, "%s EOF", nl->name);
- return -1;
- }
+ {
+ zlog (NULL, LOG_ERR, "%s EOF", nl->name);
+ return -1;
+ }
if (msg.msg_namelen != sizeof snl)
- {
- zlog (NULL, LOG_ERR, "%s sender address length error: length %d",
- nl->name, msg.msg_namelen);
- return -1;
- }
-
- for (h = (struct nlmsghdr *) buf; NLMSG_OK (h, status);
- h = NLMSG_NEXT (h, status))
- {
- /* Finish of reading. */
- if (h->nlmsg_type == NLMSG_DONE)
- return ret;
-
- /* Error handling. */
- if (h->nlmsg_type == NLMSG_ERROR)
- {
- struct nlmsgerr *err = (struct nlmsgerr *) NLMSG_DATA (h);
-
+ {
+ zlog (NULL, LOG_ERR, "%s sender address length error: length %d",
+ nl->name, msg.msg_namelen);
+ return -1;
+ }
+
+ for (h = (struct nlmsghdr *) buf; NLMSG_OK (h, status);
+ h = NLMSG_NEXT (h, status))
+ {
+ /* Finish of reading. */
+ if (h->nlmsg_type == NLMSG_DONE)
+ return ret;
+
+ /* Error handling. */
+ if (h->nlmsg_type == NLMSG_ERROR)
+ {
+ struct nlmsgerr *err = (struct nlmsgerr *) NLMSG_DATA (h);
+
/* If the error field is zero, then this is an ACK */
- if (err->error == 0)
+ if (err->error == 0)
{
- if (IS_ZEBRA_DEBUG_KERNEL)
- {
- zlog_info("%s: %s ACK: type=%s(%u), seq=%u, pid=%d",
- __FUNCTION__, nl->name,
- lookup (nlmsg_str, err->msg.nlmsg_type),
- err->msg.nlmsg_type, err->msg.nlmsg_seq,
- err->msg.nlmsg_pid);
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ {
+ zlog_info ("%s: %s ACK: type=%s(%u), seq=%u, pid=%d",
+ __FUNCTION__, nl->name,
+ lookup (nlmsg_str, err->msg.nlmsg_type),
+ err->msg.nlmsg_type, err->msg.nlmsg_seq,
+ err->msg.nlmsg_pid);
}
-
- /* return if not a multipart message, otherwise continue */
- if(!(h->nlmsg_flags & NLM_F_MULTI))
- {
- return 0;
+
+ /* return if not a multipart message, otherwise continue */
+ if (!(h->nlmsg_flags & NLM_F_MULTI))
+ {
+ return 0;
}
- continue;
+ continue;
}
-
+
if (h->nlmsg_len < NLMSG_LENGTH (sizeof (struct nlmsgerr)))
- {
- zlog (NULL, LOG_ERR, "%s error: message truncated",
- nl->name);
- return -1;
- }
-
- /* Deal with Error Noise - MAG*/
- {
- int loglvl = LOG_ERR;
- int errnum = err->error;
- int msg_type = err->msg.nlmsg_type;
-
- if (nl == &netlink_cmd
- && (-errnum == ENODEV || -errnum == ESRCH)
- && (msg_type == RTM_NEWROUTE
- || msg_type == RTM_DELROUTE))
- loglvl = LOG_DEBUG;
-
- zlog (NULL, loglvl, "%s error: %s, type=%s(%u), "
- "seq=%u, pid=%d",
- nl->name, strerror (-errnum),
- lookup (nlmsg_str, msg_type),
- msg_type, err->msg.nlmsg_seq,
- err->msg.nlmsg_pid);
- }
- /*
- ret = -1;
- continue;
- */
- return -1;
- }
-
- /* OK we got netlink message. */
- if (IS_ZEBRA_DEBUG_KERNEL)
- zlog_info ("netlink_parse_info: %s type %s(%u), seq=%u, pid=%d",
- nl->name,
- lookup (nlmsg_str, h->nlmsg_type), h->nlmsg_type,
- h->nlmsg_seq, h->nlmsg_pid);
-
- /* skip unsolicited messages originating from command socket */
- if (nl != &netlink_cmd && h->nlmsg_pid == netlink_cmd.snl.nl_pid)
- {
- if (IS_ZEBRA_DEBUG_KERNEL)
- zlog_info ("netlink_parse_info: %s packet comes from %s",
- nl->name, netlink_cmd.name);
- continue;
- }
-
- error = (*filter) (&snl, h);
- if (error < 0)
- {
- zlog (NULL, LOG_ERR, "%s filter function error", nl->name);
- ret = error;
- }
- }
+ {
+ zlog (NULL, LOG_ERR, "%s error: message truncated",
+ nl->name);
+ return -1;
+ }
+
+ /* Deal with Error Noise - MAG */
+ {
+ int loglvl = LOG_ERR;
+ int errnum = err->error;
+ int msg_type = err->msg.nlmsg_type;
+
+ if (nl == &netlink_cmd
+ && (-errnum == ENODEV || -errnum == ESRCH)
+ && (msg_type == RTM_NEWROUTE || msg_type == RTM_DELROUTE))
+ loglvl = LOG_DEBUG;
+
+ zlog (NULL, loglvl, "%s error: %s, type=%s(%u), "
+ "seq=%u, pid=%d",
+ nl->name, strerror (-errnum),
+ lookup (nlmsg_str, msg_type),
+ msg_type, err->msg.nlmsg_seq, err->msg.nlmsg_pid);
+ }
+ /*
+ ret = -1;
+ continue;
+ */
+ return -1;
+ }
+
+ /* OK we got netlink message. */
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ zlog_info ("netlink_parse_info: %s type %s(%u), seq=%u, pid=%d",
+ nl->name,
+ lookup (nlmsg_str, h->nlmsg_type), h->nlmsg_type,
+ h->nlmsg_seq, h->nlmsg_pid);
+
+ /* skip unsolicited messages originating from command socket */
+ if (nl != &netlink_cmd && h->nlmsg_pid == netlink_cmd.snl.nl_pid)
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ zlog_info ("netlink_parse_info: %s packet comes from %s",
+ nl->name, netlink_cmd.name);
+ continue;
+ }
+
+ error = (*filter) (&snl, h);
+ if (error < 0)
+ {
+ zlog (NULL, LOG_ERR, "%s filter function error", nl->name);
+ ret = error;
+ }
+ }
/* After error care. */
if (msg.msg_flags & MSG_TRUNC)
- {
- zlog (NULL, LOG_ERR, "%s error: message truncated", nl->name);
- continue;
- }
+ {
+ zlog (NULL, LOG_ERR, "%s error: message truncated", nl->name);
+ continue;
+ }
if (status)
- {
- zlog (NULL, LOG_ERR, "%s error: data remnant size %d", nl->name,
- status);
- return -1;
- }
+ {
+ zlog (NULL, LOG_ERR, "%s error: data remnant size %d", nl->name,
+ status);
+ return -1;
+ }
}
return ret;
}
/* Utility function for parse rtattr. */
static void
-netlink_parse_rtattr (struct rtattr **tb, int max, struct rtattr *rta, int len)
+netlink_parse_rtattr (struct rtattr **tb, int max, struct rtattr *rta,
+ int len)
{
- while (RTA_OK(rta, len))
+ while (RTA_OK (rta, len))
{
if (rta->rta_type <= max)
- tb[rta->rta_type] = rta;
- rta = RTA_NEXT(rta,len);
+ tb[rta->rta_type] = rta;
+ rta = RTA_NEXT (rta, len);
}
}
@@ -417,14 +433,14 @@ netlink_interface (struct sockaddr_nl *snl, struct nlmsghdr *h)
netlink_parse_rtattr (tb, IFLA_MAX, IFLA_RTA (ifi), len);
if (tb[IFLA_IFNAME] == NULL)
return -1;
- name = (char *)RTA_DATA(tb[IFLA_IFNAME]);
+ name = (char *) RTA_DATA (tb[IFLA_IFNAME]);
/* Add interface. */
ifp = if_get_by_name (name);
-
+
ifp->ifindex = ifi->ifi_index;
ifp->flags = ifi->ifi_flags & 0x0000fffff;
- ifp->mtu = *(int *)RTA_DATA (tb[IFLA_MTU]);
+ ifp->mtu = *(int *) RTA_DATA (tb[IFLA_MTU]);
ifp->metric = 1;
/* Hardware type and address. */
@@ -434,24 +450,24 @@ netlink_interface (struct sockaddr_nl *snl, struct nlmsghdr *h)
{
int hw_addr_len;
- hw_addr_len = RTA_PAYLOAD(tb[IFLA_ADDRESS]);
+ hw_addr_len = RTA_PAYLOAD (tb[IFLA_ADDRESS]);
if (hw_addr_len > INTERFACE_HWADDR_MAX)
- zlog_warn ("Hardware address is too large: %d", hw_addr_len);
+ zlog_warn ("Hardware address is too large: %d", hw_addr_len);
else
- {
- ifp->hw_addr_len = hw_addr_len;
- memcpy (ifp->hw_addr, RTA_DATA(tb[IFLA_ADDRESS]), hw_addr_len);
-
- for (i = 0; i < hw_addr_len; i++)
- if (ifp->hw_addr[i] != 0)
- break;
-
- if (i == hw_addr_len)
- ifp->hw_addr_len = 0;
- else
- ifp->hw_addr_len = hw_addr_len;
- }
+ {
+ ifp->hw_addr_len = hw_addr_len;
+ memcpy (ifp->hw_addr, RTA_DATA (tb[IFLA_ADDRESS]), hw_addr_len);
+
+ for (i = 0; i < hw_addr_len; i++)
+ if (ifp->hw_addr[i] != 0)
+ break;
+
+ if (i == hw_addr_len)
+ ifp->hw_addr_len = 0;
+ else
+ ifp->hw_addr_len = hw_addr_len;
+ }
}
if_add_update (ifp);
@@ -465,7 +481,7 @@ netlink_interface_addr (struct sockaddr_nl *snl, struct nlmsghdr *h)
{
int len;
struct ifaddrmsg *ifa;
- struct rtattr *tb [IFA_MAX + 1];
+ struct rtattr *tb[IFA_MAX + 1];
struct interface *ifp;
void *addr = NULL;
void *broad = NULL;
@@ -475,17 +491,17 @@ netlink_interface_addr (struct sockaddr_nl *snl, struct nlmsghdr *h)
ifa = NLMSG_DATA (h);
- if (ifa->ifa_family != AF_INET
+ if (ifa->ifa_family != AF_INET
#ifdef HAVE_IPV6
&& ifa->ifa_family != AF_INET6
#endif /* HAVE_IPV6 */
- )
+ )
return 0;
if (h->nlmsg_type != RTM_NEWADDR && h->nlmsg_type != RTM_DELADDR)
return 0;
- len = h->nlmsg_len - NLMSG_LENGTH(sizeof (struct ifaddrmsg));
+ len = h->nlmsg_len - NLMSG_LENGTH (sizeof (struct ifaddrmsg));
if (len < 0)
return -1;
@@ -496,43 +512,50 @@ netlink_interface_addr (struct sockaddr_nl *snl, struct nlmsghdr *h)
if (ifp == NULL)
{
zlog_err ("netlink_interface_addr can't find interface by index %d",
- ifa->ifa_index);
+ ifa->ifa_index);
return -1;
}
- if (IS_ZEBRA_DEBUG_KERNEL) /* remove this line to see initial ifcfg */
+ if (IS_ZEBRA_DEBUG_KERNEL) /* remove this line to see initial ifcfg */
{
char buf[BUFSIZ];
zlog_info ("netlink_interface_addr %s %s/%d:",
- lookup (nlmsg_str, h->nlmsg_type),
- ifp->name, ifa->ifa_prefixlen);
+ lookup (nlmsg_str, h->nlmsg_type),
+ ifp->name, ifa->ifa_prefixlen);
if (tb[IFA_LOCAL])
- zlog_info (" IFA_LOCAL %s", inet_ntop (ifa->ifa_family,
- RTA_DATA (tb[IFA_LOCAL]), buf, BUFSIZ));
+ zlog_info (" IFA_LOCAL %s", inet_ntop (ifa->ifa_family,
+ RTA_DATA (tb[IFA_LOCAL]),
+ buf, BUFSIZ));
if (tb[IFA_ADDRESS])
- zlog_info (" IFA_ADDRESS %s", inet_ntop (ifa->ifa_family,
- RTA_DATA (tb[IFA_ADDRESS]), buf, BUFSIZ));
+ zlog_info (" IFA_ADDRESS %s", inet_ntop (ifa->ifa_family,
+ RTA_DATA (tb
+ [IFA_ADDRESS]),
+ buf, BUFSIZ));
if (tb[IFA_BROADCAST])
- zlog_info (" IFA_BROADCAST %s", inet_ntop (ifa->ifa_family,
- RTA_DATA (tb[IFA_BROADCAST]), buf, BUFSIZ));
+ zlog_info (" IFA_BROADCAST %s", inet_ntop (ifa->ifa_family,
+ RTA_DATA (tb
+ [IFA_BROADCAST]),
+ buf, BUFSIZ));
if (tb[IFA_LABEL] && strcmp (ifp->name, RTA_DATA (tb[IFA_LABEL])))
- zlog_info (" IFA_LABEL %s", RTA_DATA (tb[IFA_LABEL]));
+ zlog_info (" IFA_LABEL %s", RTA_DATA (tb[IFA_LABEL]));
}
/* peer or broadcast network? */
if (ifa->ifa_family == AF_INET)
peeronly = if_is_pointopoint (ifp) ||
- ifa->ifa_prefixlen >= IPV4_MAX_PREFIXLEN - 1;
+ ifa->ifa_prefixlen >= IPV4_MAX_PREFIXLEN - 1;
#ifdef HAVE_IPV6
- if (ifa->ifa_family == AF_INET6) {
- peeronly = if_is_pointopoint (ifp) ||
- ifa->ifa_prefixlen >= IPV6_MAX_PREFIXLEN - 1;
- }
-#endif /* HAVE_IPV6*/
- if (!(tb[IFA_LOCAL] && tb[IFA_ADDRESS])) {
- /* FIXME: IPv6 Appears to have only IFA_ADDRESS */
- peeronly=0;
- }
+ if (ifa->ifa_family == AF_INET6)
+ {
+ peeronly = if_is_pointopoint (ifp) ||
+ ifa->ifa_prefixlen >= IPV6_MAX_PREFIXLEN - 1;
+ }
+#endif /* HAVE_IPV6 */
+ if (!(tb[IFA_LOCAL] && tb[IFA_ADDRESS]))
+ {
+ /* FIXME: IPv6 Appears to have only IFA_ADDRESS */
+ peeronly = 0;
+ }
/* network. prefixlen applies to IFA_ADDRESS rather than IFA_LOCAL */
if (tb[IFA_ADDRESS] && !peeronly)
@@ -546,7 +569,7 @@ netlink_interface_addr (struct sockaddr_nl *snl, struct nlmsghdr *h)
if (tb[IFA_BROADCAST])
broad = RTA_DATA (tb[IFA_BROADCAST]);
else if (tb[IFA_ADDRESS] && peeronly)
- broad = RTA_DATA (tb[IFA_ADDRESS]); /* peer address specified */
+ broad = RTA_DATA (tb[IFA_ADDRESS]); /* peer address specified */
else
broad = NULL;
@@ -564,28 +587,28 @@ netlink_interface_addr (struct sockaddr_nl *snl, struct nlmsghdr *h)
/* Register interface address to the interface. */
if (ifa->ifa_family == AF_INET)
{
- if (h->nlmsg_type == RTM_NEWADDR)
- connected_add_ipv4 (ifp, flags,
- (struct in_addr *) addr, ifa->ifa_prefixlen,
- (struct in_addr *) broad, label);
- else
- connected_delete_ipv4 (ifp, flags,
- (struct in_addr *) addr, ifa->ifa_prefixlen,
- (struct in_addr *) broad, label);
+ if (h->nlmsg_type == RTM_NEWADDR)
+ connected_add_ipv4 (ifp, flags,
+ (struct in_addr *) addr, ifa->ifa_prefixlen,
+ (struct in_addr *) broad, label);
+ else
+ connected_delete_ipv4 (ifp, flags,
+ (struct in_addr *) addr, ifa->ifa_prefixlen,
+ (struct in_addr *) broad, label);
}
#ifdef HAVE_IPV6
if (ifa->ifa_family == AF_INET6)
{
if (h->nlmsg_type == RTM_NEWADDR)
- connected_add_ipv6 (ifp,
- (struct in6_addr *) addr, ifa->ifa_prefixlen,
- (struct in6_addr *) broad);
+ connected_add_ipv6 (ifp,
+ (struct in6_addr *) addr, ifa->ifa_prefixlen,
+ (struct in6_addr *) broad);
else
- connected_delete_ipv6 (ifp,
- (struct in6_addr *) addr, ifa->ifa_prefixlen,
- (struct in6_addr *) broad);
+ connected_delete_ipv6 (ifp,
+ (struct in6_addr *) addr, ifa->ifa_prefixlen,
+ (struct in6_addr *) broad);
}
-#endif /* HAVE_IPV6*/
+#endif /* HAVE_IPV6 */
return 0;
}
@@ -596,10 +619,10 @@ netlink_routing_table (struct sockaddr_nl *snl, struct nlmsghdr *h)
{
int len;
struct rtmsg *rtm;
- struct rtattr *tb [RTA_MAX + 1];
+ struct rtattr *tb[RTA_MAX + 1];
u_char flags = 0;
-
- char anyaddr[16] = {0};
+
+ char anyaddr[16] = { 0 };
int index;
int table;
@@ -614,12 +637,12 @@ netlink_routing_table (struct sockaddr_nl *snl, struct nlmsghdr *h)
return 0;
table = rtm->rtm_table;
-#if 0 /* we weed them out later in rib_weed_tables () */
+#if 0 /* we weed them out later in rib_weed_tables () */
if (table != RT_TABLE_MAIN && table != zebrad.rtm_table_default)
return 0;
#endif
- len = h->nlmsg_len - NLMSG_LENGTH(sizeof (struct rtmsg));
+ len = h->nlmsg_len - NLMSG_LENGTH (sizeof (struct rtmsg));
if (len < 0)
return -1;
@@ -639,7 +662,7 @@ netlink_routing_table (struct sockaddr_nl *snl, struct nlmsghdr *h)
/* Route which inserted by Zebra. */
if (rtm->rtm_protocol == RTPROT_ZEBRA)
flags |= ZEBRA_FLAG_SELFROUTE;
-
+
index = 0;
dest = NULL;
gate = NULL;
@@ -680,8 +703,7 @@ netlink_routing_table (struct sockaddr_nl *snl, struct nlmsghdr *h)
return 0;
}
-struct message rtproto_str [] =
-{
+struct message rtproto_str[] = {
{RTPROT_REDIRECT, "redirect"},
{RTPROT_KERNEL, "kernel"},
{RTPROT_BOOT, "boot"},
@@ -702,9 +724,9 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
{
int len;
struct rtmsg *rtm;
- struct rtattr *tb [RTA_MAX + 1];
-
- char anyaddr[16] = {0};
+ struct rtattr *tb[RTA_MAX + 1];
+
+ char anyaddr[16] = { 0 };
int index;
int table;
@@ -713,7 +735,7 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
rtm = NLMSG_DATA (h);
- if (! (h->nlmsg_type == RTM_NEWROUTE || h->nlmsg_type == RTM_DELROUTE))
+ if (!(h->nlmsg_type == RTM_NEWROUTE || h->nlmsg_type == RTM_DELROUTE))
{
/* If this is not route add/delete message print warning. */
zlog_warn ("Kernel message: %d\n", h->nlmsg_type);
@@ -723,10 +745,11 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
/* Connected route. */
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_info ("%s %s %s proto %s",
- h->nlmsg_type == RTM_NEWROUTE ? "RTM_NEWROUTE" : "RTM_DELROUTE",
- rtm->rtm_family == AF_INET ? "ipv4" : "ipv6",
- rtm->rtm_type == RTN_UNICAST ? "unicast" : "multicast",
- lookup (rtproto_str, rtm->rtm_protocol));
+ h->nlmsg_type ==
+ RTM_NEWROUTE ? "RTM_NEWROUTE" : "RTM_DELROUTE",
+ rtm->rtm_family == AF_INET ? "ipv4" : "ipv6",
+ rtm->rtm_type == RTN_UNICAST ? "unicast" : "multicast",
+ lookup (rtproto_str, rtm->rtm_protocol));
if (rtm->rtm_type != RTN_UNICAST)
{
@@ -739,7 +762,7 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
return 0;
}
- len = h->nlmsg_len - NLMSG_LENGTH(sizeof (struct rtmsg));
+ len = h->nlmsg_len - NLMSG_LENGTH (sizeof (struct rtmsg));
if (len < 0)
return -1;
@@ -761,7 +784,7 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
zlog_warn ("netlink_route_change(): no src len");
return 0;
}
-
+
index = 0;
dest = NULL;
gate = NULL;
@@ -785,19 +808,19 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
p.prefixlen = rtm->rtm_dst_len;
if (IS_ZEBRA_DEBUG_KERNEL)
- {
- if (h->nlmsg_type == RTM_NEWROUTE)
- zlog_info ("RTM_NEWROUTE %s/%d",
- inet_ntoa (p.prefix), p.prefixlen);
- else
- zlog_info ("RTM_DELROUTE %s/%d",
- inet_ntoa (p.prefix), p.prefixlen);
- }
+ {
+ if (h->nlmsg_type == RTM_NEWROUTE)
+ zlog_info ("RTM_NEWROUTE %s/%d",
+ inet_ntoa (p.prefix), p.prefixlen);
+ else
+ zlog_info ("RTM_DELROUTE %s/%d",
+ inet_ntoa (p.prefix), p.prefixlen);
+ }
if (h->nlmsg_type == RTM_NEWROUTE)
- rib_add_ipv4 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, table, 0, 0);
+ rib_add_ipv4 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, table, 0, 0);
else
- rib_delete_ipv4 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, table);
+ rib_delete_ipv4 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, table);
}
#ifdef HAVE_IPV6
@@ -811,21 +834,21 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
p.prefixlen = rtm->rtm_dst_len;
if (IS_ZEBRA_DEBUG_KERNEL)
- {
- if (h->nlmsg_type == RTM_NEWROUTE)
- zlog_info ("RTM_NEWROUTE %s/%d",
- inet_ntop (AF_INET6, &p.prefix, buf, BUFSIZ),
- p.prefixlen);
- else
- zlog_info ("RTM_DELROUTE %s/%d",
- inet_ntop (AF_INET6, &p.prefix, buf, BUFSIZ),
- p.prefixlen);
- }
+ {
+ if (h->nlmsg_type == RTM_NEWROUTE)
+ zlog_info ("RTM_NEWROUTE %s/%d",
+ inet_ntop (AF_INET6, &p.prefix, buf, BUFSIZ),
+ p.prefixlen);
+ else
+ zlog_info ("RTM_DELROUTE %s/%d",
+ inet_ntop (AF_INET6, &p.prefix, buf, BUFSIZ),
+ p.prefixlen);
+ }
if (h->nlmsg_type == RTM_NEWROUTE)
- rib_add_ipv6 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, 0);
+ rib_add_ipv6 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, 0);
else
- rib_delete_ipv6 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, 0);
+ rib_delete_ipv6 (ZEBRA_ROUTE_KERNEL, 0, &p, gate, index, 0);
}
#endif /* HAVE_IPV6 */
@@ -837,17 +860,17 @@ netlink_link_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
{
int len;
struct ifinfomsg *ifi;
- struct rtattr *tb [IFLA_MAX + 1];
+ struct rtattr *tb[IFLA_MAX + 1];
struct interface *ifp;
char *name;
ifi = NLMSG_DATA (h);
- if (! (h->nlmsg_type == RTM_NEWLINK || h->nlmsg_type == RTM_DELLINK))
+ if (!(h->nlmsg_type == RTM_NEWLINK || h->nlmsg_type == RTM_DELLINK))
{
/* If this is not link add/delete message so print warning. */
zlog_warn ("netlink_link_change: wrong kernel message %d\n",
- h->nlmsg_type);
+ h->nlmsg_type);
return 0;
}
@@ -860,46 +883,46 @@ netlink_link_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
netlink_parse_rtattr (tb, IFLA_MAX, IFLA_RTA (ifi), len);
if (tb[IFLA_IFNAME] == NULL)
return -1;
- name = (char *)RTA_DATA(tb[IFLA_IFNAME]);
+ name = (char *) RTA_DATA (tb[IFLA_IFNAME]);
/* Add interface. */
if (h->nlmsg_type == RTM_NEWLINK)
{
ifp = if_lookup_by_name (name);
- if (ifp == NULL || ! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
- {
- if (ifp == NULL)
- ifp = if_get_by_name (name);
+ if (ifp == NULL || !CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
+ {
+ if (ifp == NULL)
+ ifp = if_get_by_name (name);
- ifp->ifindex = ifi->ifi_index;
- ifp->flags = ifi->ifi_flags & 0x0000fffff;
- ifp->mtu = *(int *)RTA_DATA (tb[IFLA_MTU]);
- ifp->metric = 1;
+ ifp->ifindex = ifi->ifi_index;
+ ifp->flags = ifi->ifi_flags & 0x0000fffff;
+ ifp->mtu = *(int *) RTA_DATA (tb[IFLA_MTU]);
+ ifp->metric = 1;
- /* If new link is added. */
- if_add_update(ifp);
- }
+ /* If new link is added. */
+ if_add_update (ifp);
+ }
else
- {
- /* Interface status change. */
- ifp->ifindex = ifi->ifi_index;
- ifp->mtu = *(int *)RTA_DATA (tb[IFLA_MTU]);
- ifp->metric = 1;
-
- if (if_is_operative (ifp))
- {
- ifp->flags = ifi->ifi_flags & 0x0000fffff;
- if (! if_is_operative (ifp))
- if_down (ifp);
- }
- else
- {
- ifp->flags = ifi->ifi_flags & 0x0000fffff;
- if (if_is_operative (ifp))
- if_up (ifp);
- }
- }
+ {
+ /* Interface status change. */
+ ifp->ifindex = ifi->ifi_index;
+ ifp->mtu = *(int *) RTA_DATA (tb[IFLA_MTU]);
+ ifp->metric = 1;
+
+ if (if_is_operative (ifp))
+ {
+ ifp->flags = ifi->ifi_flags & 0x0000fffff;
+ if (!if_is_operative (ifp))
+ if_down (ifp);
+ }
+ else
+ {
+ ifp->flags = ifi->ifi_flags & 0x0000fffff;
+ if (if_is_operative (ifp))
+ if_up (ifp);
+ }
+ }
}
else
{
@@ -907,12 +930,12 @@ netlink_link_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
ifp = if_lookup_by_name (name);
if (ifp == NULL)
- {
- zlog (NULL, LOG_WARNING, "interface %s is deleted but can't find",
+ {
+ zlog (NULL, LOG_WARNING, "interface %s is deleted but can't find",
name);
- return 0;
- }
-
+ return 0;
+ }
+
if_delete_update (ifp);
}
@@ -956,17 +979,17 @@ interface_lookup_netlink ()
int ret;
int flags;
int snb_ret;
-
+
/*
* Change netlink socket flags to blocking to ensure we get
* a reply via nelink_parse_info
- */
- snb_ret = set_netlink_blocking(&netlink_cmd, &flags);
- if(snb_ret < 0)
- zlog (NULL, LOG_WARNING,
- "%s:%i Warning: Could not set netlink socket to blocking.",
- __FUNCTION__, __LINE__);
-
+ */
+ snb_ret = set_netlink_blocking (&netlink_cmd, &flags);
+ if (snb_ret < 0)
+ zlog (NULL, LOG_WARNING,
+ "%s:%i Warning: Could not set netlink socket to blocking.",
+ __FUNCTION__, __LINE__);
+
/* Get interface information. */
ret = netlink_request (AF_PACKET, RTM_GETLINK, &netlink_cmd);
if (ret < 0)
@@ -993,9 +1016,9 @@ interface_lookup_netlink ()
return ret;
#endif /* HAVE_IPV6 */
- /* restore socket flags */
- if(snb_ret == 0)
- set_netlink_nonblocking(&netlink_cmd, &flags);
+ /* restore socket flags */
+ if (snb_ret == 0)
+ set_netlink_nonblocking (&netlink_cmd, &flags);
return 0;
}
@@ -1007,17 +1030,17 @@ netlink_route_read ()
int ret;
int flags;
int snb_ret;
-
+
/*
* Change netlink socket flags to blocking to ensure we get
* a reply via nelink_parse_info
- */
- snb_ret = set_netlink_blocking(&netlink_cmd, &flags);
- if(snb_ret < 0)
- zlog (NULL, LOG_WARNING,
- "%s:%i Warning: Could not set netlink socket to blocking.",
- __FUNCTION__, __LINE__);
-
+ */
+ snb_ret = set_netlink_blocking (&netlink_cmd, &flags);
+ if (snb_ret < 0)
+ zlog (NULL, LOG_WARNING,
+ "%s:%i Warning: Could not set netlink socket to blocking.",
+ __FUNCTION__, __LINE__);
+
/* Get IPv4 routing table. */
ret = netlink_request (AF_INET, RTM_GETROUTE, &netlink_cmd);
if (ret < 0)
@@ -1037,8 +1060,8 @@ netlink_route_read ()
#endif /* HAVE_IPV6 */
/* restore flags */
- if(snb_ret == 0)
- set_netlink_nonblocking(&netlink_cmd, &flags);
+ if (snb_ret == 0)
+ set_netlink_nonblocking (&netlink_cmd, &flags);
return 0;
}
@@ -1050,15 +1073,15 @@ addattr_l (struct nlmsghdr *n, int maxlen, int type, void *data, int alen)
int len;
struct rtattr *rta;
- len = RTA_LENGTH(alen);
+ len = RTA_LENGTH (alen);
- if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen)
+ if (NLMSG_ALIGN (n->nlmsg_len) + len > maxlen)
return -1;
- rta = (struct rtattr*) (((char*)n) + NLMSG_ALIGN (n->nlmsg_len));
+ rta = (struct rtattr *) (((char *) n) + NLMSG_ALIGN (n->nlmsg_len));
rta->rta_type = type;
rta->rta_len = len;
- memcpy (RTA_DATA(rta), data, alen);
+ memcpy (RTA_DATA (rta), data, alen);
n->nlmsg_len = NLMSG_ALIGN (n->nlmsg_len) + len;
return 0;
@@ -1070,15 +1093,15 @@ rta_addattr_l (struct rtattr *rta, int maxlen, int type, void *data, int alen)
int len;
struct rtattr *subrta;
- len = RTA_LENGTH(alen);
+ len = RTA_LENGTH (alen);
- if (RTA_ALIGN(rta->rta_len) + len > maxlen)
+ if (RTA_ALIGN (rta->rta_len) + len > maxlen)
return -1;
- subrta = (struct rtattr*) (((char*)rta) + RTA_ALIGN (rta->rta_len));
+ subrta = (struct rtattr *) (((char *) rta) + RTA_ALIGN (rta->rta_len));
subrta->rta_type = type;
subrta->rta_len = len;
- memcpy (RTA_DATA(subrta), data, alen);
+ memcpy (RTA_DATA (subrta), data, alen);
rta->rta_len = NLMSG_ALIGN (rta->rta_len) + len;
return 0;
@@ -1091,16 +1114,16 @@ addattr32 (struct nlmsghdr *n, int maxlen, int type, int data)
{
int len;
struct rtattr *rta;
-
- len = RTA_LENGTH(4);
-
+
+ len = RTA_LENGTH (4);
+
if (NLMSG_ALIGN (n->nlmsg_len) + len > maxlen)
return -1;
- rta = (struct rtattr*) (((char*)n) + NLMSG_ALIGN (n->nlmsg_len));
+ rta = (struct rtattr *) (((char *) n) + NLMSG_ALIGN (n->nlmsg_len));
rta->rta_type = type;
rta->rta_len = len;
- memcpy (RTA_DATA(rta), &data, 4);
+ memcpy (RTA_DATA (rta), &data, 4);
n->nlmsg_len = NLMSG_ALIGN (n->nlmsg_len) + len;
return 0;
@@ -1119,72 +1142,72 @@ netlink_talk (struct nlmsghdr *n, struct nlsock *nl)
{
int status;
struct sockaddr_nl snl;
- struct iovec iov = { (void*) n, n->nlmsg_len };
- struct msghdr msg = {(void*) &snl, sizeof snl, &iov, 1, NULL, 0, 0};
+ struct iovec iov = { (void *) n, n->nlmsg_len };
+ struct msghdr msg = { (void *) &snl, sizeof snl, &iov, 1, NULL, 0, 0 };
int flags = 0;
int snb_ret;
-
+
memset (&snl, 0, sizeof snl);
snl.nl_family = AF_NETLINK;
-
+
n->nlmsg_seq = ++netlink_cmd.seq;
/* Request an acknowledgement by setting NLM_F_ACK */
n->nlmsg_flags |= NLM_F_ACK;
-
- if (IS_ZEBRA_DEBUG_KERNEL)
+
+ if (IS_ZEBRA_DEBUG_KERNEL)
zlog_info ("netlink_talk: %s type %s(%u), seq=%u", netlink_cmd.name,
- lookup (nlmsg_str, n->nlmsg_type), n->nlmsg_type,
- n->nlmsg_seq);
+ lookup (nlmsg_str, n->nlmsg_type), n->nlmsg_type,
+ n->nlmsg_seq);
/* Send message to netlink interface. */
- if ( zserv_privs.change(ZPRIVS_RAISE) )
- zlog (NULL, LOG_ERR, "Can't raise privileges");
+ if (zserv_privs.change (ZPRIVS_RAISE))
+ zlog (NULL, LOG_ERR, "Can't raise privileges");
status = sendmsg (nl->sock, &msg, 0);
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog (NULL, LOG_ERR, "Can't lower privileges");
-
+ if (zserv_privs.change (ZPRIVS_LOWER))
+ zlog (NULL, LOG_ERR, "Can't lower privileges");
+
if (status < 0)
{
zlog (NULL, LOG_ERR, "netlink_talk sendmsg() error: %s",
- strerror (errno));
+ strerror (errno));
return -1;
}
-
+
/*
* Change socket flags for blocking I/O.
* This ensures we wait for a reply in netlink_parse_info().
*/
- snb_ret = set_netlink_blocking(nl, &flags);
- if(snb_ret < 0)
- zlog (NULL, LOG_WARNING,
- "%s:%i Warning: Could not set netlink socket to blocking.",
- __FUNCTION__, __LINE__);
+ snb_ret = set_netlink_blocking (nl, &flags);
+ if (snb_ret < 0)
+ zlog (NULL, LOG_WARNING,
+ "%s:%i Warning: Could not set netlink socket to blocking.",
+ __FUNCTION__, __LINE__);
/*
* Get reply from netlink socket.
* The reply should either be an acknowlegement or an error.
*/
status = netlink_parse_info (netlink_talk_filter, nl);
-
+
/* Restore socket flags for nonblocking I/O */
- if(snb_ret == 0)
- set_netlink_nonblocking(nl, &flags);
-
+ if (snb_ret == 0)
+ set_netlink_nonblocking (nl, &flags);
+
return status;
}
/* Routing table change via netlink interface. */
int
netlink_route (int cmd, int family, void *dest, int length, void *gate,
- int index, int zebra_flags, int table)
+ int index, int zebra_flags, int table)
{
int ret;
int bytelen;
struct sockaddr_nl snl;
int discard;
- struct
+ struct
{
struct nlmsghdr n;
struct rtmsg r;
@@ -1208,32 +1231,33 @@ netlink_route (int cmd, int family, void *dest, int length, void *gate,
else
discard = 0;
- if (cmd == RTM_NEWROUTE)
+ if (cmd == RTM_NEWROUTE)
{
req.r.rtm_protocol = RTPROT_ZEBRA;
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
- if (discard)
+ if (discard)
{
if (zebra_flags & ZEBRA_FLAG_BLACKHOLE)
req.r.rtm_type = RTN_BLACKHOLE;
else if (zebra_flags & ZEBRA_FLAG_REJECT)
req.r.rtm_type = RTN_UNREACHABLE;
- else assert(RTN_BLACKHOLE != RTN_UNREACHABLE); /* false */
- }
+ else
+ assert (RTN_BLACKHOLE != RTN_UNREACHABLE); /* false */
+ }
else
- req.r.rtm_type = RTN_UNICAST;
+ req.r.rtm_type = RTN_UNICAST;
}
if (dest)
addattr_l (&req.n, sizeof req, RTA_DST, dest, bytelen);
- if (! discard)
+ if (!discard)
{
if (gate)
- addattr_l (&req.n, sizeof req, RTA_GATEWAY, gate, bytelen);
+ addattr_l (&req.n, sizeof req, RTA_GATEWAY, gate, bytelen);
if (index > 0)
- addattr32 (&req.n, sizeof req, RTA_OIF, index);
+ addattr32 (&req.n, sizeof req, RTA_OIF, index);
}
/* Destination netlink address. */
@@ -1251,7 +1275,7 @@ netlink_route (int cmd, int family, void *dest, int length, void *gate,
/* Routing table change via netlink interface. */
int
netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
- int family)
+ int family)
{
int bytelen;
struct sockaddr_nl snl;
@@ -1260,7 +1284,7 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
struct nlsock *nl;
int discard;
- struct
+ struct
{
struct nlmsghdr n;
struct rtmsg r;
@@ -1282,27 +1306,27 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
req.r.rtm_flags |= RTM_F_EQUALIZE;
#endif /* RTM_F_EQUALIZE */
- if ((rib->flags & ZEBRA_FLAG_BLACKHOLE)
- || (rib->flags & ZEBRA_FLAG_REJECT))
+ if ((rib->flags & ZEBRA_FLAG_BLACKHOLE) || (rib->flags & ZEBRA_FLAG_REJECT))
discard = 1;
else
discard = 0;
- if (cmd == RTM_NEWROUTE)
+ if (cmd == RTM_NEWROUTE)
{
req.r.rtm_protocol = RTPROT_ZEBRA;
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
- if (discard)
+ if (discard)
{
if (rib->flags & ZEBRA_FLAG_BLACKHOLE)
req.r.rtm_type = RTN_BLACKHOLE;
else if (rib->flags & ZEBRA_FLAG_REJECT)
req.r.rtm_type = RTN_UNREACHABLE;
- else assert(RTN_BLACKHOLE != RTN_UNREACHABLE); /* false */
- }
+ else
+ assert (RTN_BLACKHOLE != RTN_UNREACHABLE); /* false */
+ }
else
- req.r.rtm_type = RTN_UNICAST;
+ req.r.rtm_type = RTN_UNICAST;
}
addattr_l (&req.n, sizeof req, RTA_DST, &p->u.prefix, bytelen);
@@ -1313,8 +1337,8 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
if (discard)
{
if (cmd == RTM_NEWROUTE)
- for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next)
- SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
+ for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next)
+ SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
goto skip;
}
@@ -1322,81 +1346,85 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
if (rib->nexthop_active_num == 1 || MULTIPATH_NUM == 1)
{
for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next)
- {
-
- if ((cmd == RTM_NEWROUTE
- && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
- || (cmd == RTM_DELROUTE
- && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)))
- {
-
- if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
- {
- if (IS_ZEBRA_DEBUG_KERNEL) {
- zlog_info ("netlink_route_multipath(): %s %s/%d via %s if %u",
- lookup (nlmsg_str, cmd),
- inet_ntoa (p->u.prefix4),
- p->prefixlen,
- inet_ntoa (nexthop->rgate.ipv4),
- nexthop->rifindex);
- }
-
- if (nexthop->rtype == NEXTHOP_TYPE_IPV4
- || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX)
- addattr_l (&req.n, sizeof req, RTA_GATEWAY,
- &nexthop->rgate.ipv4, bytelen);
+ {
+
+ if ((cmd == RTM_NEWROUTE
+ && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
+ || (cmd == RTM_DELROUTE
+ && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)))
+ {
+
+ if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ {
+ zlog_info
+ ("netlink_route_multipath() (recursive, 1 hop): "
+ "%s %s/%d via %s if %u, type %s",
+ lookup (nlmsg_str, cmd), inet_ntoa (p->u.prefix4),
+ p->prefixlen, inet_ntoa (nexthop->rgate.ipv4),
+ nexthop->rifindex,
+ nexthop_types_desc[nexthop->rtype]);
+ }
+
+ if (nexthop->rtype == NEXTHOP_TYPE_IPV4
+ || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX)
+ addattr_l (&req.n, sizeof req, RTA_GATEWAY,
+ &nexthop->rgate.ipv4, bytelen);
#ifdef HAVE_IPV6
- if (nexthop->rtype == NEXTHOP_TYPE_IPV6
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME)
- addattr_l (&req.n, sizeof req, RTA_GATEWAY,
- &nexthop->rgate.ipv6, bytelen);
+ if (nexthop->rtype == NEXTHOP_TYPE_IPV6
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME)
+ addattr_l (&req.n, sizeof req, RTA_GATEWAY,
+ &nexthop->rgate.ipv6, bytelen);
#endif /* HAVE_IPV6 */
- if (nexthop->rtype == NEXTHOP_TYPE_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IFNAME
- || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME)
- addattr32 (&req.n, sizeof req, RTA_OIF,
- nexthop->rifindex);
- }
- else
- {
- if (IS_ZEBRA_DEBUG_KERNEL) {
- zlog_info ("netlink_route_multipath(): %s %s/%d via %s if %u",
- lookup (nlmsg_str, cmd),
- inet_ntoa (p->u.prefix4),
- p->prefixlen,
- inet_ntoa (nexthop->gate.ipv4),
- nexthop->ifindex);
- }
-
- if (nexthop->type == NEXTHOP_TYPE_IPV4
- || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
- addattr_l (&req.n, sizeof req, RTA_GATEWAY,
- &nexthop->gate.ipv4, bytelen);
+ if (nexthop->rtype == NEXTHOP_TYPE_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IFNAME
+ || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME)
+ addattr32 (&req.n, sizeof req, RTA_OIF,
+ nexthop->rifindex);
+ }
+ else
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ {
+ zlog_info
+ ("netlink_route_multipath(): (single hop)"
+ "%s %s/%d via %s if %u, type %s",
+ lookup (nlmsg_str, cmd), inet_ntoa (p->u.prefix4),
+ p->prefixlen, inet_ntoa (nexthop->gate.ipv4),
+ nexthop->ifindex,
+ nexthop_types_desc[nexthop->type]);
+ }
+
+ if (nexthop->type == NEXTHOP_TYPE_IPV4
+ || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
+ addattr_l (&req.n, sizeof req, RTA_GATEWAY,
+ &nexthop->gate.ipv4, bytelen);
#ifdef HAVE_IPV6
- if (nexthop->type == NEXTHOP_TYPE_IPV6
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
- addattr_l (&req.n, sizeof req, RTA_GATEWAY,
- &nexthop->gate.ipv6, bytelen);
+ if (nexthop->type == NEXTHOP_TYPE_IPV6
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
+ addattr_l (&req.n, sizeof req, RTA_GATEWAY,
+ &nexthop->gate.ipv6, bytelen);
#endif /* HAVE_IPV6 */
- if (nexthop->type == NEXTHOP_TYPE_IFINDEX
- || nexthop->type == NEXTHOP_TYPE_IFNAME
- || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME)
- addattr32 (&req.n, sizeof req, RTA_OIF, nexthop->ifindex);
- }
-
- if (cmd == RTM_NEWROUTE)
- SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
-
- nexthop_num++;
- break;
- }
- }
+ if (nexthop->type == NEXTHOP_TYPE_IFINDEX
+ || nexthop->type == NEXTHOP_TYPE_IFNAME
+ || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME)
+ addattr32 (&req.n, sizeof req, RTA_OIF, nexthop->ifindex);
+ }
+
+ if (cmd == RTM_NEWROUTE)
+ SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
+
+ nexthop_num++;
+ break;
+ }
+ }
}
else
{
@@ -1405,99 +1433,119 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
struct rtnexthop *rtnh;
rta->rta_type = RTA_MULTIPATH;
- rta->rta_len = RTA_LENGTH(0);
- rtnh = RTA_DATA(rta);
+ rta->rta_len = RTA_LENGTH (0);
+ rtnh = RTA_DATA (rta);
nexthop_num = 0;
for (nexthop = rib->nexthop;
- nexthop && (MULTIPATH_NUM == 0 || nexthop_num < MULTIPATH_NUM);
- nexthop = nexthop->next)
- {
- if ((cmd == RTM_NEWROUTE
- && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
- || (cmd == RTM_DELROUTE
- && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)))
- {
- nexthop_num++;
-
- rtnh->rtnh_len = sizeof (*rtnh);
- rtnh->rtnh_flags = 0;
- rtnh->rtnh_hops = 0;
- rta->rta_len += rtnh->rtnh_len;
-
- if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
- {
- if (nexthop->rtype == NEXTHOP_TYPE_IPV4
- || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX)
- {
- rta_addattr_l (rta, 4096, RTA_GATEWAY,
- &nexthop->rgate.ipv4, bytelen);
- rtnh->rtnh_len += sizeof (struct rtattr) + 4;
- }
+ nexthop && (MULTIPATH_NUM == 0 || nexthop_num < MULTIPATH_NUM);
+ nexthop = nexthop->next)
+ {
+ if ((cmd == RTM_NEWROUTE
+ && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
+ || (cmd == RTM_DELROUTE
+ && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)))
+ {
+ nexthop_num++;
+
+ rtnh->rtnh_len = sizeof (*rtnh);
+ rtnh->rtnh_flags = 0;
+ rtnh->rtnh_hops = 0;
+ rta->rta_len += rtnh->rtnh_len;
+
+ if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ {
+ zlog_info ("netlink_route_multipath() "
+ "(recursive, multihop): "
+ "%s %s/%d via %s if %u, type %s",
+ lookup (nlmsg_str, cmd), inet_ntoa (p->u.prefix4),
+ p->prefixlen, inet_ntoa (nexthop->rgate.ipv4),
+ nexthop->rifindex,
+ nexthop_types_desc[nexthop->type]);
+ }
+ if (nexthop->rtype == NEXTHOP_TYPE_IPV4
+ || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX)
+ {
+ rta_addattr_l (rta, 4096, RTA_GATEWAY,
+ &nexthop->rgate.ipv4, bytelen);
+ rtnh->rtnh_len += sizeof (struct rtattr) + 4;
+ }
#ifdef HAVE_IPV6
- if (nexthop->rtype == NEXTHOP_TYPE_IPV6
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX)
- rta_addattr_l (rta, 4096, RTA_GATEWAY,
- &nexthop->rgate.ipv6, bytelen);
+ if (nexthop->rtype == NEXTHOP_TYPE_IPV6
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX)
+ rta_addattr_l (rta, 4096, RTA_GATEWAY,
+ &nexthop->rgate.ipv6, bytelen);
#endif /* HAVE_IPV6 */
- /* ifindex */
- if (nexthop->rtype == NEXTHOP_TYPE_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IFNAME
- || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX
- || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME)
- rtnh->rtnh_ifindex = nexthop->rifindex;
- else
- rtnh->rtnh_ifindex = 0;
- }
- else
- {
- if (nexthop->type == NEXTHOP_TYPE_IPV4
- || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
- {
- rta_addattr_l (rta, 4096, RTA_GATEWAY,
- &nexthop->gate.ipv4, bytelen);
- rtnh->rtnh_len += sizeof (struct rtattr) + 4;
- }
+ /* ifindex */
+ if (nexthop->rtype == NEXTHOP_TYPE_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IFNAME
+ || nexthop->rtype == NEXTHOP_TYPE_IPV4_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFINDEX
+ || nexthop->rtype == NEXTHOP_TYPE_IPV6_IFNAME)
+ rtnh->rtnh_ifindex = nexthop->rifindex;
+ else
+ rtnh->rtnh_ifindex = 0;
+ }
+ else
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ {
+ zlog_info ("netlink_route_multipath() "
+ "(multihop): "
+ "%s %s/%d via %s if %u, type %s",
+ lookup (nlmsg_str, cmd), inet_ntoa (p->u.prefix4),
+ p->prefixlen, inet_ntoa (nexthop->rgate.ipv4),
+ nexthop->rifindex,
+ nexthop_types_desc[nexthop->type]);
+ }
+ if (nexthop->type == NEXTHOP_TYPE_IPV4
+ || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
+ {
+ rta_addattr_l (rta, 4096, RTA_GATEWAY,
+ &nexthop->gate.ipv4, bytelen);
+ rtnh->rtnh_len += sizeof (struct rtattr) + 4;
+ }
#ifdef HAVE_IPV6
- if (nexthop->type == NEXTHOP_TYPE_IPV6
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
- rta_addattr_l (rta, 4096, RTA_GATEWAY,
- &nexthop->gate.ipv6, bytelen);
+ if (nexthop->type == NEXTHOP_TYPE_IPV6
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
+ rta_addattr_l (rta, 4096, RTA_GATEWAY,
+ &nexthop->gate.ipv6, bytelen);
#endif /* HAVE_IPV6 */
- /* ifindex */
- if (nexthop->type == NEXTHOP_TYPE_IFINDEX
- || nexthop->type == NEXTHOP_TYPE_IFNAME
- || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME
- || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
- rtnh->rtnh_ifindex = nexthop->ifindex;
- else
- rtnh->rtnh_ifindex = 0;
- }
- rtnh = RTNH_NEXT(rtnh);
-
- if (cmd == RTM_NEWROUTE)
- SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
- }
- }
+ /* ifindex */
+ if (nexthop->type == NEXTHOP_TYPE_IFINDEX
+ || nexthop->type == NEXTHOP_TYPE_IFNAME
+ || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFNAME
+ || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
+ rtnh->rtnh_ifindex = nexthop->ifindex;
+ else
+ rtnh->rtnh_ifindex = 0;
+ }
+ rtnh = RTNH_NEXT (rtnh);
+
+ if (cmd == RTM_NEWROUTE)
+ SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
+ }
+ }
if (rta->rta_len > RTA_LENGTH (0))
- addattr_l (&req.n, 1024, RTA_MULTIPATH, RTA_DATA(rta),
- RTA_PAYLOAD(rta));
+ addattr_l (&req.n, 1024, RTA_MULTIPATH, RTA_DATA (rta),
+ RTA_PAYLOAD (rta));
}
/* If there is no useful nexthop then return. */
if (nexthop_num == 0)
{
if (IS_ZEBRA_DEBUG_KERNEL)
- zlog_info ("netlink_route_multipath(): No useful nexthop.");
+ zlog_info ("netlink_route_multipath(): No useful nexthop.");
return 0;
}
- skip:
+skip:
/* Destination netlink address. */
memset (&snl, 0, sizeof snl);
@@ -1540,22 +1588,22 @@ kernel_delete_ipv6 (struct prefix *p, struct rib *rib)
/* Delete IPv6 route from the kernel. */
int
kernel_delete_ipv6_old (struct prefix_ipv6 *dest, struct in6_addr *gate,
- int index, int flags, int table)
+ int index, int flags, int table)
{
- return netlink_route (RTM_DELROUTE, AF_INET6, &dest->prefix, dest->prefixlen,
- gate, index, flags, table);
+ return netlink_route (RTM_DELROUTE, AF_INET6, &dest->prefix,
+ dest->prefixlen, gate, index, flags, table);
}
#endif /* HAVE_IPV6 */
/* Interface address modification. */
int
netlink_address (int cmd, int family, struct interface *ifp,
- struct connected *ifc)
+ struct connected *ifc)
{
int bytelen;
struct prefix *p;
- struct
+ struct
{
struct nlmsghdr n;
struct ifaddrmsg ifa;
@@ -1567,7 +1615,7 @@ netlink_address (int cmd, int family, struct interface *ifp,
bytelen = (family == AF_INET ? 4 : 16);
- req.n.nlmsg_len = NLMSG_LENGTH (sizeof(struct ifaddrmsg));
+ req.n.nlmsg_len = NLMSG_LENGTH (sizeof (struct ifaddrmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = cmd;
req.ifa.ifa_family = family;
@@ -1580,18 +1628,19 @@ netlink_address (int cmd, int family, struct interface *ifp,
if (family == AF_INET && cmd == RTM_NEWADDR)
{
if (if_is_broadcast (ifp) && ifc->destination)
- {
- p = ifc->destination;
- addattr_l(&req.n, sizeof req, IFA_BROADCAST, &p->u.prefix, bytelen);
- }
+ {
+ p = ifc->destination;
+ addattr_l (&req.n, sizeof req, IFA_BROADCAST, &p->u.prefix,
+ bytelen);
+ }
}
if (CHECK_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY))
SET_FLAG (req.ifa.ifa_flags, IFA_F_SECONDARY);
-
+
if (ifc->label)
addattr_l (&req.n, sizeof req, IFA_LABEL, ifc->label,
- strlen (ifc->label) + 1);
+ strlen (ifc->label) + 1);
return netlink_talk (&req.n, &netlink_cmd);
}
@@ -1632,9 +1681,9 @@ kernel_init ()
{
unsigned long groups;
- groups = RTMGRP_LINK|RTMGRP_IPV4_ROUTE|RTMGRP_IPV4_IFADDR;
+ groups = RTMGRP_LINK | RTMGRP_IPV4_ROUTE | RTMGRP_IPV4_IFADDR;
#ifdef HAVE_IPV6
- groups |= RTMGRP_IPV6_ROUTE|RTMGRP_IPV6_IFADDR;
+ groups |= RTMGRP_IPV6_ROUTE | RTMGRP_IPV6_IFADDR;
#endif /* HAVE_IPV6 */
netlink_socket (&netlink, groups);
netlink_socket (&netlink_cmd, 0);
diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c
index 09d2da5b..63d0d107 100644
--- a/zebra/zebra_rib.c
+++ b/zebra/zebra_rib.c
@@ -863,20 +863,20 @@ rib_process (struct route_node *rn, struct rib *del)
/* Currently installed rib. */
if (CHECK_FLAG (rib->flags, ZEBRA_FLAG_SELECTED))
- fib = rib;
+ fib = rib;
/* Skip unreachable nexthop. */
if (! nexthop_active_update (rn, rib, 0))
- continue;
+ continue;
/* Infinit distance. */
if (rib->distance == DISTANCE_INFINITY)
- continue;
+ continue;
/* Newly selected rib. */
if (! select || rib->distance < select->distance
- || rib->type == ZEBRA_ROUTE_CONNECT)
- select = rib;
+ || rib->type == ZEBRA_ROUTE_CONNECT)
+ select = rib;
}
/* Deleted route check. */
@@ -1300,19 +1300,18 @@ static_install_ipv4 (struct prefix *p, struct static_ipv4 *si)
nexthop. */
rib_uninstall (rn, rib);
route_unlock_node (rn);
-
switch (si->type)
- {
- case STATIC_IPV4_GATEWAY:
- nexthop_ipv4_add (rib, &si->gate.ipv4);
- break;
- case STATIC_IPV4_IFNAME:
- nexthop_ifname_add (rib, si->gate.ifname);
- break;
- case STATIC_IPV4_BLACKHOLE:
- nexthop_blackhole_add (rib);
- break;
- }
+ {
+ case STATIC_IPV4_GATEWAY:
+ nexthop_ipv4_add (rib, &si->gate.ipv4);
+ break;
+ case STATIC_IPV4_IFNAME:
+ nexthop_ifname_add (rib, si->gate.ifname);
+ break;
+ case STATIC_IPV4_BLACKHOLE:
+ nexthop_blackhole_add (rib);
+ break;
+ }
rib_process (rn, NULL);
}
else
@@ -1327,17 +1326,17 @@ static_install_ipv4 (struct prefix *p, struct static_ipv4 *si)
rib->nexthop_num = 0;
switch (si->type)
- {
- case STATIC_IPV4_GATEWAY:
- nexthop_ipv4_add (rib, &si->gate.ipv4);
- break;
- case STATIC_IPV4_IFNAME:
- nexthop_ifname_add (rib, si->gate.ifname);
- break;
- case STATIC_IPV4_BLACKHOLE:
- nexthop_blackhole_add (rib);
- break;
- }
+ {
+ case STATIC_IPV4_GATEWAY:
+ nexthop_ipv4_add (rib, &si->gate.ipv4);
+ break;
+ case STATIC_IPV4_IFNAME:
+ nexthop_ifname_add (rib, si->gate.ifname);
+ break;
+ case STATIC_IPV4_BLACKHOLE:
+ nexthop_blackhole_add (rib);
+ break;
+ }
/* Save the flags of this static routes (reject, blackhole) */
rib->flags = si->flags;
diff --git a/zebra/zebra_vty.c b/zebra/zebra_vty.c
index 19ec3ae8..ebb36941 100644
--- a/zebra/zebra_vty.c
+++ b/zebra/zebra_vty.c
@@ -136,7 +136,7 @@ zebra_static_ipv4 (struct vty *vty, int add_cmd,
return CMD_WARNING;
}
if (add_cmd)
- static_add_ipv4 (&p, NULL, NULL, 0, distance, 0);
+ static_add_ipv4 (&p, NULL, NULL, ZEBRA_FLAG_BLACKHOLE, distance, 0);
else
static_delete_ipv4 (&p, NULL, NULL, distance, 0);
return CMD_SUCCESS;
@@ -603,11 +603,9 @@ vty_show_ip_route_detail (struct vty *vty, struct route_node *rn)
vty_out (vty, " directly connected, %s", nexthop->ifname);
break;
case NEXTHOP_TYPE_BLACKHOLE:
- vty_out (vty, " directly connected");
- if (!rib->flags)
- vty_out (vty, ", Null0");
+ vty_out (vty, " directly connected, Null0");
break;
- default:
+ default:
break;
}
if (! CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
@@ -688,11 +686,9 @@ vty_show_ip_route (struct vty *vty, struct route_node *rn, struct rib *rib)
vty_out (vty, " is directly connected, %s", nexthop->ifname);
break;
case NEXTHOP_TYPE_BLACKHOLE:
- vty_out (vty, " is directly connected");
- if (!rib->flags)
- vty_out (vty, ", Null0");
+ vty_out (vty, " is directly connected, Null0");
break;
- default:
+ default:
break;
}
if (! CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
@@ -1070,34 +1066,38 @@ static_config_ipv4 (struct vty *vty)
for (rn = route_top (stable); rn; rn = route_next (rn))
for (si = rn->info; si; si = si->next)
{
- vty_out (vty, "ip route %s/%d", inet_ntoa (rn->p.u.prefix4),
- rn->p.prefixlen);
-
- switch (si->type)
- {
- case STATIC_IPV4_GATEWAY:
- vty_out (vty, " %s", inet_ntoa (si->gate.ipv4));
- break;
- case STATIC_IPV4_IFNAME:
- vty_out (vty, " %s", si->gate.ifname);
- break;
- case STATIC_IPV4_BLACKHOLE:
- if (!si->flags)
- vty_out (vty, " Null0");
- break;
- }
-
- if (CHECK_FLAG(si->flags, ZEBRA_FLAG_REJECT))
- vty_out (vty, " %s", "reject");
-
- if (CHECK_FLAG(si->flags, ZEBRA_FLAG_BLACKHOLE))
- vty_out (vty, " %s", "blackhole");
-
- if (si->distance != ZEBRA_STATIC_DISTANCE_DEFAULT)
- vty_out (vty, " %d", si->distance);
- vty_out (vty, "%s", VTY_NEWLINE);
-
- write = 1;
+ vty_out (vty, "ip route %s/%d", inet_ntoa (rn->p.u.prefix4),
+ rn->p.prefixlen);
+
+ switch (si->type)
+ {
+ case STATIC_IPV4_GATEWAY:
+ vty_out (vty, " %s", inet_ntoa (si->gate.ipv4));
+ break;
+ case STATIC_IPV4_IFNAME:
+ vty_out (vty, " %s", si->gate.ifname);
+ break;
+ case STATIC_IPV4_BLACKHOLE:
+ vty_out (vty, " Null0");
+ break;
+ }
+
+ /* flags are incompatible with STATIC_IPV4_BLACKHOLE */
+ if (si->type != STATIC_IPV4_BLACKHOLE)
+ {
+ if (CHECK_FLAG(si->flags, ZEBRA_FLAG_REJECT))
+ vty_out (vty, " %s", "reject");
+
+ if (CHECK_FLAG(si->flags, ZEBRA_FLAG_BLACKHOLE))
+ vty_out (vty, " %s", "blackhole");
+ }
+
+ if (si->distance != ZEBRA_STATIC_DISTANCE_DEFAULT)
+ vty_out (vty, " %d", si->distance);
+
+ vty_out (vty, "%s", VTY_NEWLINE);
+
+ write = 1;
}
return write;
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-25 18:41:26 +0000