From: Tim Kourt <tim.a.kourt@linux.intel.com>
To: iwd@lists.01.org
Subject: [PATCH v2 11/14] netconfig: Add IPv6 static address installation/removal
Date: Fri, 27 Sep 2019 17:12:30 -0700 [thread overview]
Message-ID: <20190928001233.19217-11-tim.a.kourt@linux.intel.com> (raw)
In-Reply-To: <20190928001233.19217-1-tim.a.kourt@linux.intel.com>
[-- Attachment #1: Type: text/plain, Size: 6757 bytes --]
The placeholders for DHCPv6 are placed along the way and marked
as TODO items.
---
src/netconfig.c | 161 ++++++++++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 152 insertions(+), 9 deletions(-)
diff --git a/src/netconfig.c b/src/netconfig.c
index 6f97eed5..14aac28f 100644
--- a/src/netconfig.c
+++ b/src/netconfig.c
@@ -48,6 +48,7 @@ struct netconfig {
struct l_dhcp_client *dhcp_client;
struct l_queue *ifaddr_list;
uint8_t rtm_protocol;
+ uint8_t rtm_v6_protocol;
const struct l_settings *active_settings;
};
@@ -224,6 +225,59 @@ static char **netconfig_ipv4_get_dns(struct netconfig *netconfig, uint8_t proto)
return NULL;
}
+static struct netconfig_ifaddr *netconfig_ipv6_get_ifaddr(
+ struct netconfig *netconfig,
+ uint8_t proto)
+{
+ struct netconfig_ifaddr *ifaddr;
+ char *ip;
+ char *p;
+
+ switch (proto) {
+ case RTPROT_STATIC:
+ if (!netconfig->active_settings)
+ return NULL;
+
+ ip = l_settings_get_string(netconfig->active_settings, "IPv6",
+ "ip");
+ if (!ip)
+ return NULL;
+
+ ifaddr = l_new(struct netconfig_ifaddr, 1);
+ ifaddr->ip = ip;
+
+ p = strrchr(ifaddr->ip, '/');
+ if (!p)
+ goto no_prefix_len;
+
+ if (*++p == '\0')
+ goto no_prefix_len;
+
+ ifaddr->prefix_len = strtoul(p, NULL, 10);
+
+ p = strrchr(ifaddr->ip, '/');
+ *p = '\0';
+
+ if (!unlikely(errno == ERANGE || !ifaddr->prefix_len ||
+ ifaddr->prefix_len > 128))
+ goto proceed;
+
+no_prefix_len:
+ ifaddr->prefix_len = 128;
+proceed:
+ ifaddr->family = AF_INET6;
+
+ return ifaddr;
+
+ case RTPROT_DHCP:
+ /* TODO */
+
+ return NULL;
+ }
+
+ return NULL;
+}
+
static struct netconfig_ifaddr *netconfig_ifaddr_find(
const struct netconfig *netconfig,
uint8_t family, uint8_t prefix_len,
@@ -523,6 +577,19 @@ done:
netconfig_ifaddr_destroy(ifaddr);
}
+static void netconfig_ipv6_ifaddr_add_cmd_cb(int error, uint16_t type,
+ const void *data, uint32_t len,
+ void *user_data)
+{
+ if (error && error != -EEXIST) {
+ l_error("netconfig: Failed to add IPv6 address. "
+ "Error %d: %s", error, strerror(-error));
+ return;
+ }
+
+ /* TODO Install routes and DNS */
+}
+
static void netconfig_install_address(struct netconfig *netconfig,
struct netconfig_ifaddr *ifaddr)
{
@@ -542,6 +609,16 @@ static void netconfig_install_address(struct netconfig *netconfig,
l_error("netconfig: Failed to set IP %s/%u.", ifaddr->ip,
ifaddr->prefix_len);
break;
+ case AF_INET6:
+ if (rtnl_ifaddr_ipv6_add(rtnl, netconfig->ifindex,
+ ifaddr->prefix_len, ifaddr->ip,
+ netconfig_ipv6_ifaddr_add_cmd_cb,
+ netconfig, NULL))
+ return;
+
+ l_error("netconfig: Failed to set IPv6 address %s/%u.",
+ ifaddr->ip, ifaddr->prefix_len);
+ break;
default:
l_error("netconfig: Unsupported address family: %u",
ifaddr->family);
@@ -588,6 +665,16 @@ static void netconfig_uninstall_address(struct netconfig *netconfig,
l_error("netconfig: Failed to delete IP %s/%u.",
ifaddr->ip, ifaddr->prefix_len);
break;
+ case AF_INET6:
+ if (rtnl_ifaddr_ipv6_delete(rtnl, netconfig->ifindex,
+ ifaddr->prefix_len, ifaddr->ip,
+ netconfig_ifaddr_del_cmd_cb, netconfig,
+ NULL))
+ return;
+
+ l_error("netconfig: Failed to delete IPv6 address %s/%u.",
+ ifaddr->ip, ifaddr->prefix_len);
+ break;
default:
l_error("netconfig: Unsupported address family: %u",
ifaddr->family);
@@ -708,6 +795,51 @@ static void netconfig_ipv4_select_and_uninstall(struct netconfig *netconfig)
l_dhcp_client_stop(netconfig->dhcp_client);
}
+static void netconfig_ipv6_select_and_install(struct netconfig *netconfig)
+{
+ struct netconfig_ifaddr *ifaddr;
+
+ ifaddr = netconfig_ipv6_get_ifaddr(netconfig, RTPROT_STATIC);
+ if (ifaddr) {
+ netconfig->rtm_v6_protocol = RTPROT_STATIC;
+ netconfig_install_address(netconfig, ifaddr);
+ netconfig_ifaddr_destroy(ifaddr);
+
+ return;
+ }
+
+ /*
+ * TODO
+ *
+ * netconfig->rtm_v6_protocol = RTPROT_DHCP;
+ *
+ * netconfig_ipv6_dhcp_set_mac_address(netconfig);
+ *
+ * if (l_dhcp_v6_client_start(netconfig->l_dhcp_v6_client))
+ * return;
+ *
+ * l_error("netconfig: Failed to start DHCPv6 client for "
+ * "interface %u", netconfig->ifindex);
+ */
+}
+
+static void netconfig_ipv6_select_and_uninstall(struct netconfig *netconfig)
+{
+ struct netconfig_ifaddr *ifaddr;
+
+ ifaddr = netconfig_ipv6_get_ifaddr(netconfig,
+ netconfig->rtm_v6_protocol);
+ if (ifaddr) {
+ netconfig_uninstall_address(netconfig, ifaddr);
+ netconfig_ifaddr_destroy(ifaddr);
+ }
+
+ /*
+ * TODO
+ * l_dhcp_v6_client_start(netconfig->l_dhcp_v6_client);
+ */
+}
+
bool netconfig_configure(struct netconfig *netconfig,
const struct l_settings *active_settings,
const uint8_t *mac_address)
@@ -719,7 +851,7 @@ bool netconfig_configure(struct netconfig *netconfig,
netconfig_ipv4_select_and_install(netconfig);
- /* TODO: IPv6 addressing */
+ netconfig_ipv6_select_and_install(netconfig);
return true;
}
@@ -732,13 +864,23 @@ bool netconfig_reconfigure(struct netconfig *netconfig)
* TODO l_dhcp_client to try to request a
* previously used address.
*
- * return;
+ * goto ipv6;
*/
}
netconfig_ipv4_select_and_install(netconfig);
- /* TODO: IPv6 addressing */
+ if (netconfig->rtm_v6_protocol == RTPROT_DHCP) {
+ /*
+ *
+ * TODO l_dhcp_v6_client to try to request a
+ * previously used address.
+ *
+ * return
+ */
+ }
+
+ netconfig_ipv6_select_and_install(netconfig);
return true;
}
@@ -746,13 +888,13 @@ bool netconfig_reconfigure(struct netconfig *netconfig)
bool netconfig_reset(struct netconfig *netconfig)
{
netconfig_ipv4_select_and_uninstall(netconfig);
+ netconfig->rtm_protocol = 0;
- /* TODO: IPv6 addressing */
+ netconfig_ipv6_select_and_uninstall(netconfig);
+ netconfig->rtm_v6_protocol = 0;
resolve_remove(netconfig->ifindex);
- netconfig->rtm_protocol = 0;
-
return true;
}
@@ -789,13 +931,14 @@ void netconfig_destroy(struct netconfig *netconfig)
l_queue_remove(netconfig_list, netconfig);
- if (netconfig->rtm_protocol) {
+ if (netconfig->rtm_protocol)
netconfig_ipv4_select_and_uninstall(netconfig);
- /* TODO Uninstall IPv6 addresses. */
+ if (netconfig->rtm_v6_protocol)
+ netconfig_ipv6_select_and_uninstall(netconfig);
+ if (netconfig->rtm_protocol || netconfig->rtm_v6_protocol)
resolve_remove(netconfig->ifindex);
- }
netconfig_free(netconfig);
}
--
2.13.6
next prev parent reply other threads:[~2019-09-28 0:12 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-28 0:12 [PATCH v2 01/14] netconfig: Rename netconfig destructor Tim Kourt
2019-09-28 0:12 ` [PATCH v2 02/14] netconfig: Change public API Tim Kourt
2019-09-28 0:12 ` [PATCH v2 03/14] netconfig: Decouple from station state Tim Kourt
2019-09-28 0:12 ` [PATCH v2 04/14] station: netconfig devices based on " Tim Kourt
2019-09-28 0:12 ` [PATCH v2 05/14] netconfig: Switch to internal active network settings Tim Kourt
2019-09-28 0:12 ` [PATCH v2 06/14] rtnlutil: Add parser for IPv6 RTNL packet Tim Kourt
2019-09-28 0:12 ` [PATCH v2 07/14] netconfig: Subscribe for IPv6 address changes Tim Kourt
2019-09-28 0:12 ` [PATCH v2 08/14] rtnlutil: Add IPv6 address dump Tim Kourt
2019-09-28 0:12 ` [PATCH v2 09/14] netconfig: Request all known IPv6 addresses Tim Kourt
2019-09-28 0:12 ` [PATCH v2 10/14] rtnlutil: Add IPv6 address change helpers Tim Kourt
2019-09-28 0:12 ` Tim Kourt [this message]
2019-09-28 0:12 ` [PATCH v2 12/14] rtnlutil: Add IPv6 default route helper Tim Kourt
2019-09-28 0:12 ` [PATCH v2 13/14] netconfig: Install IPv6 default route Tim Kourt
2019-09-28 0:12 ` [PATCH v2 14/14] netconfig: Install IPv6 DNS Tim Kourt
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