diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/ip6_input.c | 12 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 5 | ||||
| -rw-r--r-- | net/ipv6/udp.c | 5 |
3 files changed, 16 insertions, 6 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index c7ed2b6d5a1d..b50b1af1f530 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -29,6 +29,7 @@ #include <linux/icmpv6.h> #include <linux/mroute6.h> #include <linux/slab.h> +#include <linux/indirect_call_wrapper.h> #include <linux/netfilter.h> #include <linux/netfilter_ipv6.h> @@ -47,6 +48,8 @@ #include <net/inet_ecn.h> #include <net/dst_metadata.h> +INDIRECT_CALLABLE_DECLARE(void udp_v6_early_demux(struct sk_buff *)); +INDIRECT_CALLABLE_DECLARE(void tcp_v6_early_demux(struct sk_buff *)); static void ip6_rcv_finish_core(struct net *net, struct sock *sk, struct sk_buff *skb) { @@ -57,7 +60,8 @@ static void ip6_rcv_finish_core(struct net *net, struct sock *sk, ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]); if (ipprot && (edemux = READ_ONCE(ipprot->early_demux))) - edemux(skb); + INDIRECT_CALL_2(edemux, tcp_v6_early_demux, + udp_v6_early_demux, skb); } if (!skb_valid_dst(skb)) ip6_route_input(skb); @@ -316,6 +320,9 @@ void ipv6_list_rcv(struct list_head *head, struct packet_type *pt, ip6_sublist_rcv(&sublist, curr_dev, curr_net); } +INDIRECT_CALLABLE_DECLARE(int udpv6_rcv(struct sk_buff *)); +INDIRECT_CALLABLE_DECLARE(int tcp_v6_rcv(struct sk_buff *)); + /* * Deliver the packet to the host */ @@ -391,7 +398,8 @@ resubmit_final: !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) goto discard; - ret = ipprot->handler(skb); + ret = INDIRECT_CALL_2(ipprot->handler, tcp_v6_rcv, udpv6_rcv, + skb); if (ret > 0) { if (ipprot->flags & INET6_PROTO_FINAL) { /* Not an extension header, most likely UDP diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 82018bdce863..beaf28456301 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -43,6 +43,7 @@ #include <linux/ipv6.h> #include <linux/icmpv6.h> #include <linux/random.h> +#include <linux/indirect_call_wrapper.h> #include <net/tcp.h> #include <net/ndisc.h> @@ -1435,7 +1436,7 @@ static void tcp_v6_fill_cb(struct sk_buff *skb, const struct ipv6hdr *hdr, skb->tstamp || skb_hwtstamps(skb)->hwtstamp; } -static int tcp_v6_rcv(struct sk_buff *skb) +INDIRECT_CALLABLE_SCOPE int tcp_v6_rcv(struct sk_buff *skb) { struct sk_buff *skb_to_free; int sdif = inet6_sdif(skb); @@ -1654,7 +1655,7 @@ do_time_wait: goto discard_it; } -static void tcp_v6_early_demux(struct sk_buff *skb) +INDIRECT_CALLABLE_SCOPE void tcp_v6_early_demux(struct sk_buff *skb) { const struct ipv6hdr *hdr; const struct tcphdr *th; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 2464fba569b4..07fa579dfb96 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -36,6 +36,7 @@ #include <linux/skbuff.h> #include <linux/slab.h> #include <linux/uaccess.h> +#include <linux/indirect_call_wrapper.h> #include <net/addrconf.h> #include <net/ndisc.h> @@ -980,7 +981,7 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net, return NULL; } -static void udp_v6_early_demux(struct sk_buff *skb) +INDIRECT_CALLABLE_SCOPE void udp_v6_early_demux(struct sk_buff *skb) { struct net *net = dev_net(skb->dev); const struct udphdr *uh; @@ -1021,7 +1022,7 @@ static void udp_v6_early_demux(struct sk_buff *skb) } } -static __inline__ int udpv6_rcv(struct sk_buff *skb) +INDIRECT_CALLABLE_SCOPE int udpv6_rcv(struct sk_buff *skb) { return __udp6_lib_rcv(skb, &udp_table, IPPROTO_UDP); } |
