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-rw-r--r--zebra/ChangeLog10
-rw-r--r--zebra/interface.c23
-rw-r--r--zebra/interface.h45
-rw-r--r--zebra/rtadv.c369
-rw-r--r--zebra/rtadv.h44
5 files changed, 468 insertions, 23 deletions
diff --git a/zebra/ChangeLog b/zebra/ChangeLog
index ac99ff97..bc3c738c 100644
--- a/zebra/ChangeLog
+++ b/zebra/ChangeLog
@@ -1,3 +1,13 @@
+2005-03-25 Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
+ * interface.c, interface.h, rtadv.c, rtadv.h: modifications to
+ IPv6 Neighbor Discovery according to RFC3775, section 7:
+ o 1-bit Home Agent flag management in Router Advertisement (7.1).
+ o 1-bit Router Address flag management in Prefix Information
+ Option (7.2).
+ o Advertisement Interval Option (7.3)
+ o Home Agent Information Option (7.4)
+ o Changes to Sending Router Advertisements more frequently (7.5)
+
2005-03-13 Hasso Tepper <hasso at quagga.net>
* zebra/interaface.c: "show interface description" command
diff --git a/zebra/interface.c b/zebra/interface.c
index 6c3e33aa..55717545 100644
--- a/zebra/interface.c
+++ b/zebra/interface.c
@@ -87,11 +87,15 @@ if_zebra_new_hook (struct interface *ifp)
rtadv->AdvIntervalTimer = 0;
rtadv->AdvManagedFlag = 0;
rtadv->AdvOtherConfigFlag = 0;
+ rtadv->AdvHomeAgentFlag = 0;
rtadv->AdvLinkMTU = 0;
rtadv->AdvReachableTime = 0;
rtadv->AdvRetransTimer = 0;
rtadv->AdvCurHopLimit = 0;
rtadv->AdvDefaultLifetime = RTADV_ADV_DEFAULT_LIFETIME;
+ rtadv->HomeAgentPreference = 0;
+ rtadv->HomeAgentLifetime = RTADV_ADV_DEFAULT_LIFETIME;
+ rtadv->AdvIntervalOption = 0;
rtadv->AdvPrefixList = list_new ();
}
@@ -604,6 +608,7 @@ nd_dump_vty (struct vty *vty, struct interface *ifp)
{
struct zebra_if *zif;
struct rtadvconf *rtadv;
+ int interval;
zif = (struct zebra_if *) ifp->info;
rtadv = &zif->rtadv;
@@ -614,8 +619,15 @@ nd_dump_vty (struct vty *vty, struct interface *ifp)
rtadv->AdvReachableTime, VTY_NEWLINE);
vty_out (vty, " ND advertised retransmit interval is %d milliseconds%s",
rtadv->AdvRetransTimer, VTY_NEWLINE);
- vty_out (vty, " ND router advertisements are sent every %d seconds%s",
- rtadv->MaxRtrAdvInterval, VTY_NEWLINE);
+ interval = rtadv->MaxRtrAdvInterval;
+ if (interval % 1000)
+ vty_out (vty, " ND router advertisements are sent every "
+ "%d milliseconds%s", interval,
+ VTY_NEWLINE);
+ else
+ vty_out (vty, " ND router advertisements are sent every "
+ "%d seconds%s", interval / 1000,
+ VTY_NEWLINE);
vty_out (vty, " ND router advertisements live for %d seconds%s",
rtadv->AdvDefaultLifetime, VTY_NEWLINE);
if (rtadv->AdvManagedFlag)
@@ -624,6 +636,13 @@ nd_dump_vty (struct vty *vty, struct interface *ifp)
else
vty_out (vty, " Hosts use stateless autoconfig for addresses.%s",
VTY_NEWLINE);
+ if (rtadv->AdvHomeAgentFlag)
+ vty_out (vty, " ND router advertisements with "
+ "Home Agent flag bit set.%s",
+ VTY_NEWLINE);
+ if (rtadv->AdvIntervalOption)
+ vty_out (vty, " ND router advertisements with Adv. Interval option.%s",
+ VTY_NEWLINE);
}
}
#endif /* RTADV */
diff --git a/zebra/interface.h b/zebra/interface.h
index 91578ffb..0033f7d5 100644
--- a/zebra/interface.h
+++ b/zebra/interface.h
@@ -46,7 +46,7 @@
#endif
#ifdef RTADV
-/* Router advertisement parameter. From RFC2461. */
+/* Router advertisement parameter. From RFC2461 and RFC3775. */
struct rtadvconf
{
/* A flag indicating whether or not the router sends periodic Router
@@ -55,16 +55,18 @@ struct rtadvconf
int AdvSendAdvertisements;
/* The maximum time allowed between sending unsolicited multicast
- Router Advertisements from the interface, in seconds. MUST be no
- less than 4 seconds and no greater than 1800 seconds.
+ Router Advertisements from the interface, in milliseconds.
+ MUST be no less than 70 ms (RFC3775, section 7.4) and no greater
+ than 1800000 ms (See RFC2461).
- Default: 600 seconds */
+ Default: 600000 milliseconds */
int MaxRtrAdvInterval;
-#define RTADV_MAX_RTR_ADV_INTERVAL 600
+#define RTADV_MAX_RTR_ADV_INTERVAL 600000
/* The minimum time allowed between sending unsolicited multicast
- Router Advertisements from the interface, in seconds. MUST be no
- less than 3 seconds and no greater than .75 * MaxRtrAdvInterval.
+ Router Advertisements from the interface, in milliseconds.
+ MUST be no less than 30 ms (See RFC3775, section 7.4).
+ MUST be no greater than .75 * MaxRtrAdvInterval.
Default: 0.33 * MaxRtrAdvInterval */
int MinRtrAdvInterval;
@@ -140,6 +142,35 @@ struct rtadvconf
advertisement is sent. The link-local prefix SHOULD NOT be
included in the list of advertised prefixes. */
struct list *AdvPrefixList;
+
+ /* The TRUE/FALSE value to be placed in the "Home agent"
+ flag field in the Router Advertisement. See [RFC3775 7.1].
+
+ Default: FALSE */
+ int AdvHomeAgentFlag;
+#ifndef ND_RA_FLAG_HOME_AGENT
+#define ND_RA_FLAG_HOME_AGENT 0x20
+#endif
+
+ /* The value to be placed in Home Agent Information option if Home
+ Flag is set.
+ Default: 0 */
+ int HomeAgentPreference;
+
+ /* The value to be placed in Home Agent Information option if Home
+ Flag is set. Lifetime (seconds) MUST not be greater than 18.2
+ hours.
+ The value 0 has special meaning: use of AdvDefaultLifetime value.
+
+ Default: 0 */
+ int HomeAgentLifetime;
+#define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */
+
+ /* The TRUE/FALSE value to insert or not an Advertisement Interval
+ option. See [RFC 3775 7.3]
+
+ Default: FALSE */
+ int AdvIntervalOption;
};
#endif /* RTADV */
diff --git a/zebra/rtadv.c b/zebra/rtadv.c
index 1238396e..72596563 100644
--- a/zebra/rtadv.c
+++ b/zebra/rtadv.c
@@ -1,4 +1,5 @@
/* Router advertisement
+ * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com>
* Copyright (C) 1999 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
@@ -58,7 +59,8 @@ extern struct zebra_privs_t zserv_privs;
extern struct zebra_t zebrad;
-enum rtadv_event {RTADV_START, RTADV_STOP, RTADV_TIMER, RTADV_READ};
+enum rtadv_event {RTADV_START, RTADV_STOP, RTADV_TIMER,
+ RTADV_TIMER_MSEC, RTADV_READ};
void rtadv_event (enum rtadv_event, int);
@@ -71,6 +73,7 @@ struct rtadv
int sock;
int adv_if_count;
+ int adv_msec_if_count;
struct thread *ra_read;
struct thread *ra_timer;
@@ -210,12 +213,37 @@ rtadv_send_packet (int sock, struct interface *ifp)
rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_MANAGED;
if (zif->rtadv.AdvOtherConfigFlag)
rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_OTHER;
+ if (zif->rtadv.AdvHomeAgentFlag)
+ rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_HOME_AGENT;
rtadv->nd_ra_router_lifetime = htons (zif->rtadv.AdvDefaultLifetime);
rtadv->nd_ra_reachable = htonl (zif->rtadv.AdvReachableTime);
rtadv->nd_ra_retransmit = htonl (0);
len = sizeof (struct nd_router_advert);
+ if (zif->rtadv.AdvHomeAgentFlag)
+ {
+ struct nd_opt_homeagent_info *ndopt_hai =
+ (struct nd_opt_homeagent_info *)(buf + len);
+ ndopt_hai->nd_opt_hai_type = ND_OPT_HA_INFORMATION;
+ ndopt_hai->nd_opt_hai_len = 1;
+ ndopt_hai->nd_opt_hai_reserved = 0;
+ ndopt_hai->nd_opt_hai_preference = htons(zif->rtadv.HomeAgentPreference);
+ ndopt_hai->nd_opt_hai_lifetime = htons(zif->rtadv.HomeAgentLifetime);
+ len += sizeof(struct nd_opt_homeagent_info);
+ }
+
+ if (zif->rtadv.AdvIntervalOption)
+ {
+ struct nd_opt_adv_interval *ndopt_adv =
+ (struct nd_opt_adv_interval *)(buf + len);
+ ndopt_adv->nd_opt_ai_type = ND_OPT_ADV_INTERVAL;
+ ndopt_adv->nd_opt_ai_len = 1;
+ ndopt_adv->nd_opt_ai_reserved = 0;
+ ndopt_adv->nd_opt_ai_interval = htonl(zif->rtadv.MaxRtrAdvInterval);
+ len += sizeof(struct nd_opt_adv_interval);
+ }
+
/* Fill in prefix. */
for (node = listhead (zif->rtadv.AdvPrefixList); node; node = nextnode (node))
{
@@ -235,6 +263,8 @@ rtadv_send_packet (int sock, struct interface *ifp)
pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_ONLINK;
if (rprefix->AdvAutonomousFlag)
pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_AUTO;
+ if (rprefix->AdvRouterAddressFlag)
+ pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_RADDR;
pinfo->nd_opt_pi_valid_time = htonl (rprefix->AdvValidLifetime);
pinfo->nd_opt_pi_preferred_time = htonl (rprefix->AdvPreferredLifetime);
@@ -311,9 +341,19 @@ rtadv_timer (struct thread *thread)
struct listnode *node;
struct interface *ifp;
struct zebra_if *zif;
+ int period;
rtadv->ra_timer = NULL;
- rtadv_event (RTADV_TIMER, 1);
+ if (rtadv->adv_msec_if_count == 0)
+ {
+ period = 1000; /* 1 s */
+ rtadv_event (RTADV_TIMER, 1 /* 1 s */);
+ }
+ else
+ {
+ period = 10; /* 10 ms */
+ rtadv_event (RTADV_TIMER_MSEC, 10 /* 10 ms */);
+ }
for (node = listhead (iflist); node; nextnode (node))
{
@@ -325,11 +365,14 @@ rtadv_timer (struct thread *thread)
zif = ifp->info;
if (zif->rtadv.AdvSendAdvertisements)
- if (--zif->rtadv.AdvIntervalTimer <= 0)
- {
- zif->rtadv.AdvIntervalTimer = zif->rtadv.MaxRtrAdvInterval;
- rtadv_send_packet (rtadv->sock, ifp);
- }
+ {
+ zif->rtadv.AdvIntervalTimer -= period;
+ if (zif->rtadv.AdvIntervalTimer <= 0)
+ {
+ zif->rtadv.AdvIntervalTimer = zif->rtadv.MaxRtrAdvInterval;
+ rtadv_send_packet (rtadv->sock, ifp);
+ }
+ }
}
return 0;
}
@@ -547,6 +590,7 @@ rtadv_prefix_set (struct zebra_if *zif, struct rtadv_prefix *rp)
rprefix->AdvPreferredLifetime = rp->AdvPreferredLifetime;
rprefix->AdvOnLinkFlag = rp->AdvOnLinkFlag;
rprefix->AdvAutonomousFlag = rp->AdvAutonomousFlag;
+ rprefix->AdvRouterAddressFlag = rp->AdvRouterAddressFlag;
}
int
@@ -634,6 +678,42 @@ DEFUN (no_ipv6_nd_suppress_ra,
return CMD_SUCCESS;
}
+DEFUN (ipv6_nd_ra_interval_msec,
+ ipv6_nd_ra_interval_msec_cmd,
+ "ipv6 nd ra-interval msec MILLISECONDS",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Router Advertisement interval\n"
+ "Router Advertisement interval in milliseconds\n")
+{
+ int interval;
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ interval = atoi (argv[0]);
+
+ if (interval <= 0)
+ {
+ vty_out (vty, "Invalid Router Advertisement Interval%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ if (zif->rtadv.MaxRtrAdvInterval % 1000)
+ rtadv->adv_msec_if_count--;
+
+ if (interval % 1000)
+ rtadv->adv_msec_if_count++;
+
+ zif->rtadv.MaxRtrAdvInterval = interval;
+ zif->rtadv.MinRtrAdvInterval = 0.33 * interval;
+ zif->rtadv.AdvIntervalTimer = 0;
+
+ return CMD_SUCCESS;
+}
+
DEFUN (ipv6_nd_ra_interval,
ipv6_nd_ra_interval_cmd,
"ipv6 nd ra-interval SECONDS",
@@ -651,12 +731,18 @@ DEFUN (ipv6_nd_ra_interval,
interval = atoi (argv[0]);
- if (interval < 0)
+ if (interval <= 0)
{
vty_out (vty, "Invalid Router Advertisement Interval%s", VTY_NEWLINE);
return CMD_WARNING;
}
+ if (zif->rtadv.MaxRtrAdvInterval % 1000)
+ rtadv->adv_msec_if_count--;
+
+ /* convert to milliseconds */
+ interval = interval * 1000;
+
zif->rtadv.MaxRtrAdvInterval = interval;
zif->rtadv.MinRtrAdvInterval = 0.33 * interval;
zif->rtadv.AdvIntervalTimer = 0;
@@ -678,6 +764,9 @@ DEFUN (no_ipv6_nd_ra_interval,
ifp = (struct interface *) vty->index;
zif = ifp->info;
+ if (zif->rtadv.MaxRtrAdvInterval % 1000)
+ rtadv->adv_msec_if_count--;
+
zif->rtadv.MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL;
zif->rtadv.MinRtrAdvInterval = RTADV_MIN_RTR_ADV_INTERVAL;
zif->rtadv.AdvIntervalTimer = zif->rtadv.MaxRtrAdvInterval;
@@ -779,6 +868,100 @@ DEFUN (no_ipv6_nd_reachable_time,
return CMD_SUCCESS;
}
+DEFUN (ipv6_nd_homeagent_preference,
+ ipv6_nd_homeagent_preference_cmd,
+ "ipv6 nd home-agent-preference PREFERENCE",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Home Agent preference\n"
+ "Home Agent preference value 0..65535\n")
+{
+ u_int32_t hapref;
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ hapref = (u_int32_t) atol (argv[0]);
+
+ if (hapref > 65535)
+ {
+ vty_out (vty, "Invalid Home Agent preference%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ zif->rtadv.HomeAgentPreference = hapref;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (no_ipv6_nd_homeagent_preference,
+ no_ipv6_nd_homeagent_preference_cmd,
+ "no ipv6 nd home-agent-preference",
+ NO_STR
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Home Agent preference\n")
+{
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ zif->rtadv.HomeAgentPreference = 0;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (ipv6_nd_homeagent_lifetime,
+ ipv6_nd_homeagent_lifetime_cmd,
+ "ipv6 nd home-agent-lifetime SECONDS",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Home Agent lifetime\n"
+ "Home Agent lifetime in seconds\n")
+{
+ u_int32_t ha_ltime;
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ ha_ltime = (u_int32_t) atol (argv[0]);
+
+ if (ha_ltime > RTADV_MAX_HALIFETIME)
+ {
+ vty_out (vty, "Invalid Home Agent Lifetime time%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ zif->rtadv.HomeAgentLifetime = ha_ltime;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (no_ipv6_nd_homeagent_lifetime,
+ no_ipv6_nd_homeagent_lifetime_cmd,
+ "no ipv6 nd home-agent-lifetime",
+ NO_STR
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Home Agent lifetime\n")
+{
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ zif->rtadv.HomeAgentLifetime = 0;
+
+ return CMD_SUCCESS;
+}
+
DEFUN (ipv6_nd_managed_config_flag,
ipv6_nd_managed_config_flag_cmd,
"ipv6 nd managed-config-flag",
@@ -816,6 +999,80 @@ DEFUN (no_ipv6_nd_managed_config_flag,
return CMD_SUCCESS;
}
+DEFUN (ipv6_nd_homeagent_config_flag,
+ ipv6_nd_homeagent_config_flag_cmd,
+ "ipv6 nd home-agent-config-flag",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Home Agent configuration flag\n")
+{
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ zif->rtadv.AdvHomeAgentFlag = 1;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (no_ipv6_nd_homeagent_config_flag,
+ no_ipv6_nd_homeagent_config_flag_cmd,
+ "no ipv6 nd home-agent-config-flag",
+ NO_STR
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Home Agent configuration flag\n")
+{
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ zif->rtadv.AdvHomeAgentFlag = 0;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (ipv6_nd_adv_interval_config_option,
+ ipv6_nd_adv_interval_config_option_cmd,
+ "ipv6 nd adv-interval-option",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Advertisement Interval Option\n")
+{
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ zif->rtadv.AdvIntervalOption = 1;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (no_ipv6_nd_adv_interval_config_option,
+ no_ipv6_nd_adv_interval_config_option_cmd,
+ "no ipv6 nd adv-interval-option",
+ NO_STR
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Advertisement Interval Option\n")
+{
+ struct interface *ifp;
+ struct zebra_if *zif;
+
+ ifp = (struct interface *) vty->index;
+ zif = ifp->info;
+
+ zif->rtadv.AdvIntervalOption = 0;
+
+ return CMD_SUCCESS;
+}
+
DEFUN (ipv6_nd_other_config_flag,
ipv6_nd_other_config_flag_cmd,
"ipv6 nd other-config-flag",
@@ -856,7 +1113,7 @@ DEFUN (no_ipv6_nd_other_config_flag,
DEFUN (ipv6_nd_prefix,
ipv6_nd_prefix_cmd,
"ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
- "(<0-4294967295>|infinite) (off-link|) (no-autoconfig|)",
+ "(<0-4294967295>|infinite) (off-link|) (no-autoconfig|) (router-address|)",
"Interface IPv6 config commands\n"
"Neighbor discovery\n"
"Prefix information\n"
@@ -866,7 +1123,8 @@ DEFUN (ipv6_nd_prefix,
"Preferred lifetime in seconds\n"
"Infinite preferred lifetime\n"
"Do not use prefix for onlink determination\n"
- "Do not use prefix for autoconfiguration\n")
+ "Do not use prefix for autoconfiguration\n"
+ "Set Router Address flag\n")
{
int i;
int ret;
@@ -886,6 +1144,7 @@ DEFUN (ipv6_nd_prefix,
}
rp.AdvOnLinkFlag = 1;
rp.AdvAutonomousFlag = 1;
+ rp.AdvRouterAddressFlag = 0;
rp.AdvValidLifetime = RTADV_VALID_LIFETIME;
rp.AdvPreferredLifetime = RTADV_PREFERRED_LIFETIME;
@@ -920,6 +1179,8 @@ DEFUN (ipv6_nd_prefix,
rp.AdvOnLinkFlag = 0;
if (strncmp (argv[i], "no", 2) == 0)
rp.AdvAutonomousFlag = 0;
+ if (strncmp (argv[i], "ro", 2) == 0)
+ rp.AdvRouterAddressFlag = 1;
}
}
}
@@ -930,6 +1191,21 @@ DEFUN (ipv6_nd_prefix,
}
ALIAS (ipv6_nd_prefix,
+ ipv6_nd_prefix_val_nortaddr_cmd,
+ "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
+ "(<0-4294967295>|infinite) (off-link|) (no-autoconfig|)",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Prefix information\n"
+ "IPv6 prefix\n"
+ "Valid lifetime in seconds\n"
+ "Infinite valid lifetime\n"
+ "Preferred lifetime in seconds\n"
+ "Infinite preferred lifetime\n"
+ "Do not use prefix for onlink determination\n"
+ "Do not use prefix for autoconfiguration\n")
+
+ALIAS (ipv6_nd_prefix,
ipv6_nd_prefix_val_rev_cmd,
"ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
"(<0-4294967295>|infinite) (no-autoconfig|) (off-link|)",
@@ -945,6 +1221,22 @@ ALIAS (ipv6_nd_prefix,
"Do not use prefix for onlink determination\n")
ALIAS (ipv6_nd_prefix,
+ ipv6_nd_prefix_val_rev_rtaddr_cmd,
+ "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
+ "(<0-4294967295>|infinite) (no-autoconfig|) (off-link|) (router-address|)",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Prefix information\n"
+ "IPv6 prefix\n"
+ "Valid lifetime in seconds\n"
+ "Infinite valid lifetime\n"
+ "Preferred lifetime in seconds\n"
+ "Infinite preferred lifetime\n"
+ "Do not use prefix for autoconfiguration\n"
+ "Do not use prefix for onlink determination\n"
+ "Set Router Address flag\n")
+
+ALIAS (ipv6_nd_prefix,
ipv6_nd_prefix_val_noauto_cmd,
"ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
"(<0-4294967295>|infinite) (no-autoconfig|)",
@@ -956,7 +1248,7 @@ ALIAS (ipv6_nd_prefix,
"Infinite valid lifetime\n"
"Preferred lifetime in seconds\n"
"Infinite preferred lifetime\n"
- "Do not use prefix for autoconfigurationn")
+ "Do not use prefix for autoconfiguration")
ALIAS (ipv6_nd_prefix,
ipv6_nd_prefix_val_offlink_cmd,
@@ -973,6 +1265,20 @@ ALIAS (ipv6_nd_prefix,
"Do not use prefix for onlink determination\n")
ALIAS (ipv6_nd_prefix,
+ ipv6_nd_prefix_val_rtaddr_cmd,
+ "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
+ "(<0-4294967295>|infinite) (router-address|)",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Prefix information\n"
+ "IPv6 prefix\n"
+ "Valid lifetime in seconds\n"
+ "Infinite valid lifetime\n"
+ "Preferred lifetime in seconds\n"
+ "Infinite preferred lifetime\n"
+ "Set Router Address flag\n")
+
+ALIAS (ipv6_nd_prefix,
ipv6_nd_prefix_val_cmd,
"ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) "
"(<0-4294967295>|infinite)",
@@ -1024,6 +1330,15 @@ ALIAS (ipv6_nd_prefix,
"Do not use prefix for onlink determination\n")
ALIAS (ipv6_nd_prefix,
+ ipv6_nd_prefix_noval_rtaddr_cmd,
+ "ipv6 nd prefix X:X::X:X/M (router-address|)",
+ "Interface IPv6 config commands\n"
+ "Neighbor discovery\n"
+ "Prefix information\n"
+ "IPv6 prefix\n"
+ "Set Router Address flag\n")
+
+ALIAS (ipv6_nd_prefix,
ipv6_nd_prefix_prefix_cmd,
"ipv6 nd prefix X:X::X:X/M",
"Interface IPv6 config commands\n"
@@ -1064,7 +1379,6 @@ DEFUN (no_ipv6_nd_prefix,
return CMD_SUCCESS;
}
-
/* Write configuration about router advertisement. */
void
rtadv_config_write (struct vty *vty, struct interface *ifp)
@@ -1073,6 +1387,7 @@ rtadv_config_write (struct vty *vty, struct interface *ifp)
struct listnode *node;
struct rtadv_prefix *rprefix;
u_char buf[INET6_ADDRSTRLEN];
+ int interval;
if (! rtadv)
return;
@@ -1087,8 +1402,14 @@ rtadv_config_write (struct vty *vty, struct interface *ifp)
vty_out (vty, " ipv6 nd suppress-ra%s", VTY_NEWLINE);
}
- if (zif->rtadv.MaxRtrAdvInterval != RTADV_MAX_RTR_ADV_INTERVAL)
- vty_out (vty, " ipv6 nd ra-interval %d%s", zif->rtadv.MaxRtrAdvInterval,
+
+ interval = zif->rtadv.MaxRtrAdvInterval;
+ if (interval % 1000)
+ vty_out (vty, " ipv6 nd ra-interval msec %d%s", interval,
+ VTY_NEWLINE);
+ else
+ if (interval != RTADV_MAX_RTR_ADV_INTERVAL)
+ vty_out (vty, " ipv6 nd ra-interval %d%s", interval / 1000,
VTY_NEWLINE);
if (zif->rtadv.AdvDefaultLifetime != RTADV_ADV_DEFAULT_LIFETIME)
@@ -1128,6 +1449,8 @@ rtadv_config_write (struct vty *vty, struct interface *ifp)
vty_out (vty, " off-link");
if (!rprefix->AdvAutonomousFlag)
vty_out (vty, " no-autoconfig");
+ if (rprefix->AdvRouterAddressFlag)
+ vty_out (vty, " router-address");
vty_out (vty, "%s", VTY_NEWLINE);
}
}
@@ -1162,6 +1485,11 @@ rtadv_event (enum rtadv_event event, int val)
rtadv->ra_timer = thread_add_timer (zebrad.master, rtadv_timer, NULL,
val);
break;
+ case RTADV_TIMER_MSEC:
+ if (! rtadv->ra_timer)
+ rtadv->ra_timer = thread_add_timer_msec (zebrad.master, rtadv_timer,
+ NULL, val);
+ break;
case RTADV_READ:
if (! rtadv->ra_read)
rtadv->ra_read = thread_add_read (zebrad.master, rtadv_read, NULL, val);
@@ -1187,6 +1515,7 @@ rtadv_init ()
install_element (INTERFACE_NODE, &ipv6_nd_suppress_ra_cmd);
install_element (INTERFACE_NODE, &no_ipv6_nd_suppress_ra_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_ra_interval_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_ra_interval_msec_cmd);
install_element (INTERFACE_NODE, &no_ipv6_nd_ra_interval_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_ra_lifetime_cmd);
install_element (INTERFACE_NODE, &no_ipv6_nd_ra_lifetime_cmd);
@@ -1196,15 +1525,27 @@ rtadv_init ()
install_element (INTERFACE_NODE, &no_ipv6_nd_managed_config_flag_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_other_config_flag_cmd);
install_element (INTERFACE_NODE, &no_ipv6_nd_other_config_flag_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_homeagent_config_flag_cmd);
+ install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_config_flag_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_homeagent_preference_cmd);
+ install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_preference_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_homeagent_lifetime_cmd);
+ install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_lifetime_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_adv_interval_config_option_cmd);
+ install_element (INTERFACE_NODE, &no_ipv6_nd_adv_interval_config_option_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_rev_rtaddr_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_nortaddr_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_rev_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_noauto_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_offlink_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_rtaddr_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_rev_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_noauto_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_offlink_cmd);
+ install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_rtaddr_cmd);
install_element (INTERFACE_NODE, &ipv6_nd_prefix_prefix_cmd);
install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_cmd);
}
diff --git a/zebra/rtadv.h b/zebra/rtadv.h
index 859b2d7e..d52c2c08 100644
--- a/zebra/rtadv.h
+++ b/zebra/rtadv.h
@@ -1,4 +1,5 @@
/* Router advertisement
+ * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com>
* Copyright (C) 1999 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
@@ -42,8 +43,51 @@ struct rtadv_prefix
/* The value to be placed in the Autonomous Flag. */
int AdvAutonomousFlag;
+
+ /* The value to be placed in the Router Address Flag (RFC3775 7.2). */
+ int AdvRouterAddressFlag;
+#ifndef ND_OPT_PI_FLAG_RADDR
+#define ND_OPT_PI_FLAG_RADDR 0x20
+#endif
+
};
void rtadv_config_write (struct vty *, struct interface *);
+/* draft-ietf-mip6-mipext-advapi-03 */
+
+#ifndef ND_OPT_ADV_INTERVAL
+#define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */
+#endif
+#ifndef ND_OPT_HA_INFORMATION
+#define ND_OPT_HA_INFORMATION 8 /* HA Information Option */
+#endif
+
+#ifndef HAVE_ND_OPT_ADV_INTERVAL
+struct nd_opt_adv_interval { /* Advertisement interval option */
+ uint8_t nd_opt_ai_type;
+ uint8_t nd_opt_ai_len;
+ uint16_t nd_opt_ai_reserved;
+ uint32_t nd_opt_ai_interval;
+} __attribute__((__packed__));
+#else
+#ifndef HAVE_ND_OPT_ADV_INTERVAL_AI_FIELDS
+/* fields may have to be renamed */
+#define nd_opt_ai_type nd_opt_adv_interval_type
+#define nd_opt_ai_len nd_opt_adv_interval_len
+#define nd_opt_ai_reserved nd_opt_adv_interval_reserved
+#define nd_opt_ai_interval nd_opt_adv_interval_ival
+#endif
+#endif
+
+#ifndef HAVE_ND_OPT_HOMEAGENT_INFO
+struct nd_opt_homeagent_info { /* Home Agent info */
+ u_int8_t nd_opt_hai_type;
+ u_int8_t nd_opt_hai_len;
+ u_int16_t nd_opt_hai_reserved;
+ u_int16_t nd_opt_hai_preference;
+ u_int16_t nd_opt_hai_lifetime;
+} __attribute__((__packed__));
+#endif
+
#endif /* _ZEBRA_RTADV_H */
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-24 17:55:06 +0000