From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
To: davem@davemloft.net, netdev@vger.kernel.org
Cc: yoshfuji@linux-ipv6.org
Subject: [PATCH net-next 17/19] ndisc: Break down __ndisc_send().
Date: Tue, 22 Jan 2013 01:49:13 +0900 [thread overview]
Message-ID: <50FD7189.9070206@linux-ipv6.org> (raw)
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
net/ipv6/ndisc.c | 45 +++++++++++++++++++++------------------------
1 file changed, 21 insertions(+), 24 deletions(-)
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index dda4add..79a56a7 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -503,29 +503,12 @@ static void ndisc_send_skb(struct sk_buff *skb,
rcu_read_unlock();
}
-/*
- * Send a Neighbour Discover packet
- */
-static void __ndisc_send(struct net_device *dev,
- const struct in6_addr *daddr,
- const struct in6_addr *saddr,
- struct icmp6hdr *icmp6h, const struct in6_addr *target,
- int llinfo)
-{
- struct sk_buff *skb;
-
- skb = ndisc_build_skb(dev, daddr, saddr, icmp6h, target, llinfo);
- if (!skb)
- return;
-
- ndisc_send_skb(skb, daddr, saddr);
-}
-
static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
const struct in6_addr *daddr,
const struct in6_addr *solicited_addr,
bool router, bool solicited, bool override, bool inc_opt)
{
+ struct sk_buff *skb;
struct in6_addr tmpaddr;
struct inet6_ifaddr *ifp;
const struct in6_addr *src_addr;
@@ -553,8 +536,12 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
icmp6h.icmp6_solicited = solicited;
icmp6h.icmp6_override = override;
- __ndisc_send(dev, daddr, src_addr, &icmp6h, solicited_addr,
- inc_opt ? ND_OPT_TARGET_LL_ADDR : 0);
+ skb = ndisc_build_skb(dev, daddr, src_addr, &icmp6h, solicited_addr,
+ inc_opt ? ND_OPT_TARGET_LL_ADDR : 0);
+ if (!skb)
+ return;
+
+ ndisc_send_skb(skb, daddr, src_addr);
}
static void ndisc_send_unsol_na(struct net_device *dev)
@@ -582,6 +569,7 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
const struct in6_addr *solicit,
const struct in6_addr *daddr, const struct in6_addr *saddr)
{
+ struct sk_buff *skb;
struct in6_addr addr_buf;
struct icmp6hdr icmp6h = {
.icmp6_type = NDISC_NEIGHBOUR_SOLICITATION,
@@ -594,13 +582,18 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
saddr = &addr_buf;
}
- __ndisc_send(dev, daddr, saddr, &icmp6h, solicit,
- !ipv6_addr_any(saddr) ? ND_OPT_SOURCE_LL_ADDR : 0);
+ skb = ndisc_build_skb(dev, daddr, saddr, &icmp6h, solicit,
+ !ipv6_addr_any(saddr) ? ND_OPT_SOURCE_LL_ADDR : 0);
+ if (!skb)
+ return;
+
+ ndisc_send_skb(skb, daddr, saddr);
}
void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
const struct in6_addr *daddr)
{
+ struct sk_buff *skb;
struct icmp6hdr icmp6h = {
.icmp6_type = NDISC_ROUTER_SOLICITATION,
};
@@ -628,8 +621,12 @@ void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
}
}
#endif
- __ndisc_send(dev, daddr, saddr, &icmp6h, NULL,
- send_sllao ? ND_OPT_SOURCE_LL_ADDR : 0);
+ skb = ndisc_build_skb(dev, daddr, saddr, &icmp6h, NULL,
+ send_sllao ? ND_OPT_SOURCE_LL_ADDR : 0);
+ if (!skb)
+ return;
+
+ ndisc_send_skb(skb, daddr, saddr);
}
--
1.7.9.5
reply other threads:[~2013-01-21 16:49 UTC|newest]
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