From: Steffen Klassert <steffen.klassert@secunet.com>
To: David Miller <davem@davemloft.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
Steffen Klassert <steffen.klassert@secunet.com>,
<netdev@vger.kernel.org>
Subject: [PATCH 08/12] xfrm4: Remove xfrm_tunnel_notifier
Date: Thu, 27 Feb 2014 09:00:36 +0100 [thread overview]
Message-ID: <1393488040-22005-9-git-send-email-steffen.klassert@secunet.com> (raw)
In-Reply-To: <1393488040-22005-1-git-send-email-steffen.klassert@secunet.com>
This was used from vti and is replaced by the IPsec protocol
multiplexer hooks. It is now unused, so remove it.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
include/net/xfrm.h | 2 --
net/ipv4/xfrm4_mode_tunnel.c | 68 ------------------------------------------
2 files changed, 70 deletions(-)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 3311259..8b92528 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1531,8 +1531,6 @@ int xfrm4_protocol_deregister(struct xfrm4_protocol *handler, unsigned char prot
int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
void xfrm4_local_error(struct sk_buff *skb, u32 mtu);
-int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel_notifier *handler);
-int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel_notifier *handler);
int xfrm6_mode_tunnel_input_register(struct xfrm_tunnel_notifier *handler);
int xfrm6_mode_tunnel_input_deregister(struct xfrm_tunnel_notifier *handler);
int xfrm6_extract_header(struct sk_buff *skb);
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 31b1815..05f2b48 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -15,65 +15,6 @@
#include <net/ip.h>
#include <net/xfrm.h>
-/* Informational hook. The decap is still done here. */
-static struct xfrm_tunnel_notifier __rcu *rcv_notify_handlers __read_mostly;
-static DEFINE_MUTEX(xfrm4_mode_tunnel_input_mutex);
-
-int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel_notifier *handler)
-{
- struct xfrm_tunnel_notifier __rcu **pprev;
- struct xfrm_tunnel_notifier *t;
- int ret = -EEXIST;
- int priority = handler->priority;
-
- mutex_lock(&xfrm4_mode_tunnel_input_mutex);
-
- for (pprev = &rcv_notify_handlers;
- (t = rcu_dereference_protected(*pprev,
- lockdep_is_held(&xfrm4_mode_tunnel_input_mutex))) != NULL;
- pprev = &t->next) {
- if (t->priority > priority)
- break;
- if (t->priority == priority)
- goto err;
-
- }
-
- handler->next = *pprev;
- rcu_assign_pointer(*pprev, handler);
-
- ret = 0;
-
-err:
- mutex_unlock(&xfrm4_mode_tunnel_input_mutex);
- return ret;
-}
-EXPORT_SYMBOL_GPL(xfrm4_mode_tunnel_input_register);
-
-int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel_notifier *handler)
-{
- struct xfrm_tunnel_notifier __rcu **pprev;
- struct xfrm_tunnel_notifier *t;
- int ret = -ENOENT;
-
- mutex_lock(&xfrm4_mode_tunnel_input_mutex);
- for (pprev = &rcv_notify_handlers;
- (t = rcu_dereference_protected(*pprev,
- lockdep_is_held(&xfrm4_mode_tunnel_input_mutex))) != NULL;
- pprev = &t->next) {
- if (t == handler) {
- *pprev = handler->next;
- ret = 0;
- break;
- }
- }
- mutex_unlock(&xfrm4_mode_tunnel_input_mutex);
- synchronize_net();
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(xfrm4_mode_tunnel_input_deregister);
-
static inline void ipip_ecn_decapsulate(struct sk_buff *skb)
{
struct iphdr *inner_iph = ipip_hdr(skb);
@@ -127,14 +68,8 @@ static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
return 0;
}
-#define for_each_input_rcu(head, handler) \
- for (handler = rcu_dereference(head); \
- handler != NULL; \
- handler = rcu_dereference(handler->next))
-
static int xfrm4_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
{
- struct xfrm_tunnel_notifier *handler;
int err = -EINVAL;
if (XFRM_MODE_SKB_CB(skb)->protocol != IPPROTO_IPIP)
@@ -143,9 +78,6 @@ static int xfrm4_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
if (!pskb_may_pull(skb, sizeof(struct iphdr)))
goto out;
- for_each_input_rcu(rcv_notify_handlers, handler)
- handler->handler(skb);
-
err = skb_unclone(skb, GFP_ATOMIC);
if (err)
goto out;
--
1.7.9.5
next prev parent reply other threads:[~2014-02-27 8:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-27 8:00 pull request (net-next): ipsec-next 2014-02-27 Steffen Klassert
2014-02-27 8:00 ` [PATCH 01/12] xfrm4: Add IPsec protocol multiplexer Steffen Klassert
2014-02-27 8:00 ` [PATCH 02/12] esp4: Use the IPsec protocol multiplexer API Steffen Klassert
2014-02-27 8:00 ` [PATCH 03/12] ah4: " Steffen Klassert
2014-02-27 8:00 ` [PATCH 04/12] ipcomp4: " Steffen Klassert
2014-02-27 8:00 ` [PATCH 05/12] xfrm: Add xfrm_tunnel_skb_cb to the skb common buffer Steffen Klassert
2014-02-27 8:00 ` [PATCH 06/12] ip_tunnel: Make vti work with i_key set Steffen Klassert
2014-02-27 8:00 ` [PATCH 07/12] vti: Update the ipv4 side to use it's own receive hook Steffen Klassert
2014-02-27 10:42 ` Neil Jerram
2014-02-27 8:00 ` Steffen Klassert [this message]
2014-02-27 8:00 ` [PATCH 09/12] vti4: Use the on xfrm_lookup returned dst_entry directly Steffen Klassert
2014-02-27 8:00 ` [PATCH 10/12] vti4: Support inter address family tunneling Steffen Klassert
2014-02-27 8:00 ` [PATCH 11/12] vti4: Check the tunnel endpoints of the xfrm state and the vti interface Steffen Klassert
2014-02-27 8:00 ` [PATCH 12/12] vti4: Enable namespace changing Steffen Klassert
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