netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [Patch net-next v3 1/4] vxlan: defer vxlan init as late as possible
@ 2013-04-08  2:18 Cong Wang
  2013-04-08  2:18 ` [Patch net-next v3 2/4] ipv6: export ipv6_sock_mc_join and ipv6_sock_mc_drop Cong Wang
                   ` (3 more replies)
  0 siblings, 4 replies; 20+ messages in thread
From: Cong Wang @ 2013-04-08  2:18 UTC (permalink / raw)
  To: netdev; +Cc: Stephen Hemminger, David S. Miller, Cong Wang

From: Cong Wang <amwang@redhat.com>

When vxlan is compiled as builtin, its init code
runs before IPv6 init, this could cause problems
if we create IPv6 socket in the latter patch.

Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
---
 drivers/net/vxlan.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 62a4438..cac4e4f 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1619,7 +1619,7 @@ out2:
 out1:
 	return rc;
 }
-module_init(vxlan_init_module);
+late_initcall(vxlan_init_module);
 
 static void __exit vxlan_cleanup_module(void)
 {
-- 
1.7.7.6

^ permalink raw reply related	[flat|nested] 20+ messages in thread
* [Patch iproute2] vxlan: add ipv6 support
@ 2013-09-03  3:33 Cong Wang
  2013-09-12  7:16 ` Cong Wang
  0 siblings, 1 reply; 20+ messages in thread
From: Cong Wang @ 2013-09-03  3:33 UTC (permalink / raw)
  To: netdev; +Cc: David S. Miller, Stephen Hemminger, Cong Wang

From: Cong Wang <amwang@redhat.com>

The kernel already supports it, so add the support
to iproute2 as well.
    
Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Cong Wang <amwang@redhat.com>

---
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index d07aeca..0c37561 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -311,6 +311,8 @@ enum {
 	IFLA_VXLAN_L2MISS,
 	IFLA_VXLAN_L3MISS,
 	IFLA_VXLAN_PORT,	/* destination port */
+	IFLA_VXLAN_GROUP6,
+	IFLA_VXLAN_LOCAL6,
 	__IFLA_VXLAN_MAX
 };
 #define IFLA_VXLAN_MAX	(__IFLA_VXLAN_MAX - 1)
diff --git a/ip/iplink_vxlan.c b/ip/iplink_vxlan.c
index 4304b0d..12e1c74 100644
--- a/ip/iplink_vxlan.c
+++ b/ip/iplink_vxlan.c
@@ -43,6 +43,9 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
 	__u32 saddr = 0;
 	__u32 gaddr = 0;
 	__u32 daddr = 0;
+	struct in6_addr saddr6 = IN6ADDR_ANY_INIT;
+	struct in6_addr gaddr6 = IN6ADDR_ANY_INIT;
+	struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
 	unsigned link = 0;
 	__u8 tos = 0;
 	__u8 ttl = 0;
@@ -66,21 +69,36 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
 			vni_set = 1;
 		} else if (!matches(*argv, "group")) {
 			NEXT_ARG();
-			gaddr = get_addr32(*argv);
-
-			if (!IN_MULTICAST(ntohl(gaddr)))
-				invarg("invalid group address", *argv);
+			if (!inet_pton(AF_INET, *argv, &gaddr)) {
+				if (!inet_pton(AF_INET6, *argv, &gaddr6)) {
+					fprintf(stderr, "Invalid address \"%s\"\n", *argv);
+					return -1;
+				} else if (!IN6_IS_ADDR_MULTICAST(&gaddr6))
+					invarg("invald group address", *argv);
+			} else if (!IN_MULTICAST(ntohl(gaddr)))
+					invarg("invald group address", *argv);
 		} else if (!matches(*argv, "remote")) {
 			NEXT_ARG();
-			daddr = get_addr32(*argv);
-
-			if (IN_MULTICAST(ntohl(daddr)))
-				invarg("invalid remote address", *argv);
+			if (!inet_pton(AF_INET, *argv, &daddr)) {
+				if (!inet_pton(AF_INET6, *argv, &daddr6)) {
+					fprintf(stderr, "Invalid address \"%s\"\n", *argv);
+					return -1;
+				} else if (IN6_IS_ADDR_MULTICAST(&daddr6))
+					invarg("invald remote address", *argv);
+			} else if (IN_MULTICAST(ntohl(daddr)))
+					invarg("invald remote address", *argv);
 		} else if (!matches(*argv, "local")) {
 			NEXT_ARG();
-			if (strcmp(*argv, "any"))
-				saddr = get_addr32(*argv);
-			if (IN_MULTICAST(ntohl(saddr)))
+			if (strcmp(*argv, "any")) {
+				if (!inet_pton(AF_INET, *argv, &saddr)) {
+					if (!inet_pton(AF_INET6, *argv, &saddr6)) {
+						fprintf(stderr, "Invalid address \"%s\"\n", *argv);
+						return -1;
+					}
+				}
+			}
+
+			if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6))
 				invarg("invalid local address", *argv);
 		} else if (!matches(*argv, "dev")) {
 			NEXT_ARG();
@@ -167,7 +185,9 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
 		fprintf(stderr, "vxlan: missing virtual network identifier\n");
 		return -1;
 	}
-	if (gaddr && daddr) {
+	if ((gaddr && daddr) ||
+		(memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) &&
+		 memcmp(&daddr6, &in6addr_any, sizeof(daddr6)))) {
 		fprintf(stderr, "vxlan: both group and remote cannot be specified\n");
 		return -1;
 	}
@@ -176,8 +196,16 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
 		addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
 	else if (daddr)
 		addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
+	if (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) != 0)
+		addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr));
+	else if (memcmp(&daddr6, &in6addr_any, sizeof(daddr6)) != 0)
+		addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
+
 	if (saddr)
 		addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
+	else if (memcmp(&saddr6, &in6addr_any, sizeof(saddr6)) != 0)
+		addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr));
+
 	if (link)
 		addattr32(n, 1024, IFLA_VXLAN_LINK, link);
 	addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
@@ -229,6 +257,17 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
 				fprintf(f, "remote %s ",
 					format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
 		}
+	} else if (tb[IFLA_VXLAN_GROUP6]) {
+		struct in6_addr addr;
+		memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
+		if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) {
+			if (IN6_IS_ADDR_MULTICAST(&addr))
+				fprintf(f, "group %s ",
+					format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
+			else
+				fprintf(f, "remote %s ",
+					format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
+		}
 	}
 
 	if (tb[IFLA_VXLAN_LOCAL]) {
@@ -236,6 +275,12 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
 		if (addr)
 			fprintf(f, "local %s ",
 				format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
+	} else if (tb[IFLA_VXLAN_LOCAL6]) {
+		struct in6_addr addr;
+		memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
+		if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0)
+			fprintf(f, "local %s ",
+				format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
 	}
 
 	if (tb[IFLA_VXLAN_LINK] &&

^ permalink raw reply related	[flat|nested] 20+ messages in thread
* [Patch net-next v4 0/5] vxlan: add ipv6 support
@ 2013-04-17  5:10 Cong Wang
  2013-04-17  5:10 ` [PATCH iproute2] " Cong Wang
  0 siblings, 1 reply; 20+ messages in thread
From: Cong Wang @ 2013-04-17  5:10 UTC (permalink / raw)
  To: netdev

From: Cong Wang <amwang@redhat.com>

v4: rename ->sin to ->va_sin
    rename ->sin6 to ->va_sin6
    rename ->family to ->va_sa
    support ll addr
    fix more ugly #ifdef
    rebased on the latest net-next

v3: fix many coding style issues
    fix some ugly #ifdef
    rename vxlan_ip to vxlan_addr
    rename ->proto to ->family
    rename ->ip4/->ip6 to ->sin/->sin6

v2: fix some compile error when !CONFIG_IPV6
    improve some code based on Stephen's comments
    use sockaddr suggested by David


Cong Wang (5):
  vxlan: defer vxlan init as late as possible
  ipv6: export ipv6_sock_mc_join and ipv6_sock_mc_drop
  vxlan: add ipv6 support
  vxlan: add scope_id support for ll addr
  ipv6: Add generic UDP Tunnel segmentation

 drivers/net/vxlan.c          |  656 +++++++++++++++++++++++++++++++++---------
 include/uapi/linux/if_link.h |    2 +
 net/ipv6/ip6_offload.c       |    4 +-
 net/ipv6/mcast.c             |    2 +
 net/ipv6/udp_offload.c       |  155 +++++++---
 5 files changed, 633 insertions(+), 186 deletions(-)

-- 
1.7.7.6

^ permalink raw reply	[flat|nested] 20+ messages in thread
* [Patch net-next v2 1/4] vxlan: defer vxlan init as late as possible
@ 2013-04-05 12:16 Cong Wang
  2013-04-05 12:16 ` [PATCH iproute2] vxlan: add ipv6 support Cong Wang
  0 siblings, 1 reply; 20+ messages in thread
From: Cong Wang @ 2013-04-05 12:16 UTC (permalink / raw)
  To: netdev; +Cc: Stephen Hemminger, David S. Miller, Cong Wang

From: Cong Wang <amwang@redhat.com>

When vxlan is compiled as builtin, its init code
runs before IPv6 init, this could cause problems
if we create IPv6 socket in the latter patch.

Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
---
 drivers/net/vxlan.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 62a4438..cac4e4f 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1619,7 +1619,7 @@ out2:
 out1:
 	return rc;
 }
-module_init(vxlan_init_module);
+late_initcall(vxlan_init_module);
 
 static void __exit vxlan_cleanup_module(void)
 {
-- 
1.7.7.6

^ permalink raw reply related	[flat|nested] 20+ messages in thread
* [Patch net-next v1 1/4] vxlan: defer vxlan init as late as possible
@ 2013-03-31  5:43 Cong Wang
  2013-03-31  6:17 ` [PATCH iproute2] vxlan: add ipv6 support Cong Wang
  0 siblings, 1 reply; 20+ messages in thread
From: Cong Wang @ 2013-03-31  5:43 UTC (permalink / raw)
  To: netdev; +Cc: Stephen Hemminger, David S. Miller, Cong Wang

From: Cong Wang <amwang@redhat.com>

When vxlan is compiled as builtin, its init code
runs before IPv6 init, this could cause problems
if we create IPv6 socket in the latter patch.

Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
---
 drivers/net/vxlan.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 62a4438..cac4e4f 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1619,7 +1619,7 @@ out2:
 out1:
 	return rc;
 }
-module_init(vxlan_init_module);
+late_initcall(vxlan_init_module);
 
 static void __exit vxlan_cleanup_module(void)
 {
-- 
1.7.7.6

^ permalink raw reply related	[flat|nested] 20+ messages in thread

end of thread, other threads:[~2013-09-12  7:16 UTC | newest]

Thread overview: 20+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-04-08  2:18 [Patch net-next v3 1/4] vxlan: defer vxlan init as late as possible Cong Wang
2013-04-08  2:18 ` [Patch net-next v3 2/4] ipv6: export ipv6_sock_mc_join and ipv6_sock_mc_drop Cong Wang
2013-04-08  2:18 ` [Patch net-next v3 3/4] vxlan: add ipv6 support Cong Wang
2013-04-08 12:53   ` David Stevens
2013-04-09  6:58     ` Cong Wang
2013-04-09 10:47     ` Cong Wang
2013-04-15 13:27       ` David Stevens
2013-04-17  1:43         ` Cong Wang
2013-04-08  2:18 ` [Patch net-next v3 4/4] ipv6: Add generic UDP Tunnel segmentation Cong Wang
2013-04-08  2:18 ` [PATCH iproute2] vxlan: add ipv6 support Cong Wang
  -- strict thread matches above, loose matches on Subject: below --
2013-09-03  3:33 [Patch " Cong Wang
2013-09-12  7:16 ` Cong Wang
2013-04-17  5:10 [Patch net-next v4 0/5] " Cong Wang
2013-04-17  5:10 ` [PATCH iproute2] " Cong Wang
2013-04-18 22:55   ` Stephen Hemminger
2013-04-19 11:36     ` Cong Wang
2013-04-18 22:57   ` Stephen Hemminger
2013-04-19 14:20     ` Cong Wang
2013-04-19 15:26       ` Stephen Hemminger
2013-04-05 12:16 [Patch net-next v2 1/4] vxlan: defer vxlan init as late as possible Cong Wang
2013-04-05 12:16 ` [PATCH iproute2] vxlan: add ipv6 support Cong Wang
2013-03-31  5:43 [Patch net-next v1 1/4] vxlan: defer vxlan init as late as possible Cong Wang
2013-03-31  6:17 ` [PATCH iproute2] vxlan: add ipv6 support Cong Wang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).