From: Tim Kourt <tim.a.kourt@linux.intel.com>
To: iwd@lists.01.org
Subject: [PATCH v2 10/14] rtnlutil: Add IPv6 address change helpers
Date: Fri, 27 Sep 2019 17:12:29 -0700 [thread overview]
Message-ID: <20190928001233.19217-10-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: 2987 bytes --]
Implements the IPv6 helper functions to add/delete IP addresses.
---
src/rtnlutil.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/rtnlutil.h | 9 +++++++++
2 files changed, 72 insertions(+)
diff --git a/src/rtnlutil.c b/src/rtnlutil.c
index 0cee5ff5..cca83a40 100644
--- a/src/rtnlutil.c
+++ b/src/rtnlutil.c
@@ -469,3 +469,66 @@ uint32_t rtnl_ifaddr_ipv6_get(struct l_netlink *rtnl,
return id;
}
+
+static uint32_t rtnl_ifaddr_ipv6_change(struct l_netlink *rtnl,
+ uint16_t nlmsg_type,
+ int ifindex, uint8_t prefix_len,
+ const char *ip,
+ l_netlink_command_func_t cb,
+ void *user_data,
+ l_netlink_destroy_func_t destroy)
+{
+ struct ifaddrmsg *rtmmsg;
+ struct in6_addr in6_addr;
+ void *rta_buf;
+ size_t bufsize;
+ uint32_t id;
+
+ bufsize = NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
+ RTA_SPACE(sizeof(struct in6_addr));
+
+ rtmmsg = l_malloc(bufsize);
+ memset(rtmmsg, 0, bufsize);
+
+ rtmmsg->ifa_index = ifindex;
+ rtmmsg->ifa_family = AF_INET6;
+ rtmmsg->ifa_flags = IFA_F_PERMANENT;
+ rtmmsg->ifa_scope = RT_SCOPE_UNIVERSE;
+ rtmmsg->ifa_prefixlen = prefix_len;
+
+ rta_buf = (void *) rtmmsg + NLMSG_ALIGN(sizeof(struct ifaddrmsg));
+
+ if (inet_pton(AF_INET6, ip, &in6_addr) < 1) {
+ l_free(rtmmsg);
+ return 0;
+ }
+
+ rta_buf += rta_add_data(rta_buf, IFA_LOCAL, &in6_addr,
+ sizeof(struct in6_addr));
+
+ id = l_netlink_send(rtnl, nlmsg_type, 0, rtmmsg,
+ rta_buf - (void *) rtmmsg, cb,
+ user_data, destroy);
+ l_free(rtmmsg);
+
+ return id;
+}
+
+uint32_t rtnl_ifaddr_ipv6_add(struct l_netlink *rtnl, int ifindex,
+ uint8_t prefix_len, const char *ip,
+ l_netlink_command_func_t cb, void *user_data,
+ l_netlink_destroy_func_t destroy)
+{
+ return rtnl_ifaddr_ipv6_change(rtnl, RTM_NEWADDR, ifindex, prefix_len,
+ ip, cb, user_data, destroy);
+}
+
+uint32_t rtnl_ifaddr_ipv6_delete(struct l_netlink *rtnl, int ifindex,
+ uint8_t prefix_len, const char *ip,
+ l_netlink_command_func_t cb,
+ void *user_data,
+ l_netlink_destroy_func_t destroy)
+{
+ return rtnl_ifaddr_ipv6_change(rtnl, RTM_DELADDR, ifindex, prefix_len,
+ ip, cb, user_data, destroy);
+}
diff --git a/src/rtnlutil.h b/src/rtnlutil.h
index ff1427c5..5a901234 100644
--- a/src/rtnlutil.h
+++ b/src/rtnlutil.h
@@ -74,3 +74,12 @@ uint32_t rtnl_ifaddr_ipv6_get(struct l_netlink *rtnl,
l_netlink_command_func_t cb,
void *user_data,
l_netlink_destroy_func_t destroy);
+uint32_t rtnl_ifaddr_ipv6_add(struct l_netlink *rtnl, int ifindex,
+ uint8_t prefix_len, const char *ip,
+ l_netlink_command_func_t cb, void *user_data,
+ l_netlink_destroy_func_t destroy);
+uint32_t rtnl_ifaddr_ipv6_delete(struct l_netlink *rtnl, int ifindex,
+ uint8_t prefix_len, const char *ip,
+ l_netlink_command_func_t cb,
+ void *user_data,
+ l_netlink_destroy_func_t destroy);
--
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 ` Tim Kourt [this message]
2019-09-28 0:12 ` [PATCH v2 11/14] netconfig: Add IPv6 static address installation/removal Tim Kourt
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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