diff options
author | Alexey Dobriyan <adobriyan@gmail.com> | 2008-11-25 17:35:18 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-11-25 17:35:18 -0800 |
commit | 52479b623d3d41df84c499325b6a8c7915413032 (patch) | |
tree | 196f303f296b53dc89a05954d9c03226a9b4158b | |
parent | cdcbca7c1f1946758cfacb69bc1c7eeaccb11e2d (diff) | |
download | kernel_samsung_crespo-52479b623d3d41df84c499325b6a8c7915413032.zip kernel_samsung_crespo-52479b623d3d41df84c499325b6a8c7915413032.tar.gz kernel_samsung_crespo-52479b623d3d41df84c499325b6a8c7915413032.tar.bz2 |
netns xfrm: lookup in netns
Pass netns to xfrm_lookup()/__xfrm_lookup(). For that pass netns
to flow_cache_lookup() and resolver callback.
Take it from socket or netdevice. Stub DECnet to init_net.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/net/dst.h | 16 | ||||
-rw-r--r-- | include/net/flow.h | 9 | ||||
-rw-r--r-- | net/core/flow.c | 4 | ||||
-rw-r--r-- | net/dccp/ipv6.c | 10 | ||||
-rw-r--r-- | net/decnet/dn_route.c | 6 | ||||
-rw-r--r-- | net/ipv4/icmp.c | 4 | ||||
-rw-r--r-- | net/ipv4/netfilter.c | 4 | ||||
-rw-r--r-- | net/ipv4/route.c | 2 | ||||
-rw-r--r-- | net/ipv6/af_inet6.c | 2 | ||||
-rw-r--r-- | net/ipv6/datagram.c | 3 | ||||
-rw-r--r-- | net/ipv6/icmp.c | 6 | ||||
-rw-r--r-- | net/ipv6/inet6_connection_sock.c | 2 | ||||
-rw-r--r-- | net/ipv6/ip6_tunnel.c | 5 | ||||
-rw-r--r-- | net/ipv6/mcast.c | 4 | ||||
-rw-r--r-- | net/ipv6/ndisc.c | 4 | ||||
-rw-r--r-- | net/ipv6/netfilter.c | 2 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6t_REJECT.c | 2 | ||||
-rw-r--r-- | net/ipv6/raw.c | 3 | ||||
-rw-r--r-- | net/ipv6/syncookies.c | 2 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 11 | ||||
-rw-r--r-- | net/ipv6/udp.c | 3 | ||||
-rw-r--r-- | net/xfrm/xfrm_policy.c | 38 |
22 files changed, 75 insertions, 67 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 6c77879..6be3b08 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -291,21 +291,21 @@ enum { struct flowi; #ifndef CONFIG_XFRM -static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags) +static inline int xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags) { return 0; } -static inline int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags) +static inline int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags) { return 0; } #else -extern int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags); -extern int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags); +extern int xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags); +extern int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags); #endif #endif diff --git a/include/net/flow.h b/include/net/flow.h index b45a5e4..809970b 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -84,12 +84,13 @@ struct flowi { #define FLOW_DIR_OUT 1 #define FLOW_DIR_FWD 2 +struct net; struct sock; -typedef int (*flow_resolve_t)(struct flowi *key, u16 family, u8 dir, - void **objp, atomic_t **obj_refp); +typedef int (*flow_resolve_t)(struct net *net, struct flowi *key, u16 family, + u8 dir, void **objp, atomic_t **obj_refp); -extern void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir, - flow_resolve_t resolver); +extern void *flow_cache_lookup(struct net *net, struct flowi *key, u16 family, + u8 dir, flow_resolve_t resolver); extern void flow_cache_flush(void); extern atomic_t flow_cache_genid; diff --git a/net/core/flow.c b/net/core/flow.c index d323388..9601587 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -165,7 +165,7 @@ static int flow_key_compare(struct flowi *key1, struct flowi *key2) return 0; } -void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir, +void *flow_cache_lookup(struct net *net, struct flowi *key, u16 family, u8 dir, flow_resolve_t resolver) { struct flow_cache_entry *fle, **head; @@ -225,7 +225,7 @@ nocache: void *obj; atomic_t *obj_ref; - err = resolver(key, family, dir, &obj, &obj_ref); + err = resolver(net, key, family, dir, &obj, &obj_ref); if (fle && !err) { fle->genid = atomic_read(&flow_cache_genid); diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index f033e84..b963f35 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -168,7 +168,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, goto out; } - err = xfrm_lookup(&dst, &fl, sk, 0); + err = xfrm_lookup(net, &dst, &fl, sk, 0); if (err < 0) { sk->sk_err_soft = -err; goto out; @@ -279,7 +279,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req) if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - err = xfrm_lookup(&dst, &fl, sk, 0); + err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0); if (err < 0) goto done; @@ -343,7 +343,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb) /* sk = NULL, but it is safe for now. RST socket required. */ if (!ip6_dst_lookup(ctl_sk, &skb->dst, &fl)) { - if (xfrm_lookup(&skb->dst, &fl, NULL, 0) >= 0) { + if (xfrm_lookup(net, &skb->dst, &fl, NULL, 0) >= 0) { ip6_xmit(ctl_sk, skb, &fl, NULL, 0); DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS); DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS); @@ -569,7 +569,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0) + if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) goto out; } @@ -1004,7 +1004,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT); + err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT); if (err < 0) { if (err == -EREMOTE) err = ip6_dst_blackhole(sk, &dst, &fl); diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 768df00..eeaa3d8 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1184,7 +1184,7 @@ static int dn_route_output_key(struct dst_entry **pprt, struct flowi *flp, int f err = __dn_route_output_key(pprt, flp, flags); if (err == 0 && flp->proto) { - err = xfrm_lookup(pprt, flp, NULL, 0); + err = xfrm_lookup(&init_net, pprt, flp, NULL, 0); } return err; } @@ -1195,8 +1195,8 @@ int dn_route_output_sock(struct dst_entry **pprt, struct flowi *fl, struct sock err = __dn_route_output_key(pprt, fl, flags & MSG_TRYHARD); if (err == 0 && fl->proto) { - err = xfrm_lookup(pprt, fl, sk, (flags & MSG_DONTWAIT) ? - 0 : XFRM_LOOKUP_WAIT); + err = xfrm_lookup(&init_net, pprt, fl, sk, + (flags & MSG_DONTWAIT) ? 0 : XFRM_LOOKUP_WAIT); } return err; } diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 7b88be9..705b33b 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -562,7 +562,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) /* No need to clone since we're just using its address. */ rt2 = rt; - err = xfrm_lookup((struct dst_entry **)&rt, &fl, NULL, 0); + err = xfrm_lookup(net, (struct dst_entry **)&rt, &fl, NULL, 0); switch (err) { case 0: if (rt != rt2) @@ -601,7 +601,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) if (err) goto relookup_failed; - err = xfrm_lookup((struct dst_entry **)&rt2, &fl, NULL, + err = xfrm_lookup(net, (struct dst_entry **)&rt2, &fl, NULL, XFRM_LOOKUP_ICMP); switch (err) { case 0: diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index 6efdb70..c99eecf 100644 --- a/net/ipv4/netfilter.c +++ b/net/ipv4/netfilter.c @@ -66,7 +66,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type) #ifdef CONFIG_XFRM if (!(IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) && xfrm_decode_session(skb, &fl, AF_INET) == 0) - if (xfrm_lookup(&skb->dst, &fl, skb->sk, 0)) + if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0)) return -1; #endif @@ -97,7 +97,7 @@ int ip_xfrm_me_harder(struct sk_buff *skb) dst = ((struct xfrm_dst *)dst)->route; dst_hold(dst); - if (xfrm_lookup(&dst, &fl, skb->sk, 0) < 0) + if (xfrm_lookup(dev_net(dst->dev), &dst, &fl, skb->sk, 0) < 0) return -1; dst_release(skb->dst); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 4e6959c..77bfba9 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2761,7 +2761,7 @@ int ip_route_output_flow(struct net *net, struct rtable **rp, struct flowi *flp, flp->fl4_src = (*rp)->rt_src; if (!flp->fl4_dst) flp->fl4_dst = (*rp)->rt_dst; - err = __xfrm_lookup((struct dst_entry **)rp, flp, sk, + err = __xfrm_lookup(net, (struct dst_entry **)rp, flp, sk, flags ? XFRM_LOOKUP_WAIT : 0); if (err == -EREMOTE) err = ipv4_dst_blackhole(net, rp, flp); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 01edac8..437b750 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -637,7 +637,7 @@ int inet6_sk_rebuild_header(struct sock *sk) if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) { + if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) { sk->sk_err_soft = -err; return err; } diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index e44deb8..e2bdc6d 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -175,7 +175,8 @@ ipv4_connected: if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) { + err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT); + if (err < 0) { if (err == -EREMOTE) err = ip6_dst_blackhole(sk, &dst, &fl); if (err < 0) diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index a77b8d1..4f43384 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -427,7 +427,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info, /* No need to clone since we're just using its address. */ dst2 = dst; - err = xfrm_lookup(&dst, &fl, sk, 0); + err = xfrm_lookup(net, &dst, &fl, sk, 0); switch (err) { case 0: if (dst != dst2) @@ -446,7 +446,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info, if (ip6_dst_lookup(sk, &dst2, &fl)) goto relookup_failed; - err = xfrm_lookup(&dst2, &fl, sk, XFRM_LOOKUP_ICMP); + err = xfrm_lookup(net, &dst2, &fl, sk, XFRM_LOOKUP_ICMP); switch (err) { case 0: dst_release(dst); @@ -552,7 +552,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb) err = ip6_dst_lookup(sk, &dst, &fl); if (err) goto out; - if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) + if ((err = xfrm_lookup(net, &dst, &fl, sk, 0)) < 0) goto out; if (ipv6_addr_is_multicast(&fl.fl6_dst)) diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index 16d43f2..3c3732d 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -219,7 +219,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok) if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) { + if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) { sk->sk_route_caps = 0; kfree_skb(skb); return err; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index ef249ab..58e2b0d 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -846,6 +846,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb, int encap_limit, __u32 *pmtu) { + struct net *net = dev_net(dev); struct ip6_tnl *t = netdev_priv(dev); struct net_device_stats *stats = &t->dev->stats; struct ipv6hdr *ipv6h = ipv6_hdr(skb); @@ -861,9 +862,9 @@ static int ip6_tnl_xmit2(struct sk_buff *skb, if ((dst = ip6_tnl_dst_check(t)) != NULL) dst_hold(dst); else { - dst = ip6_route_output(dev_net(dev), NULL, fl); + dst = ip6_route_output(net, NULL, fl); - if (dst->error || xfrm_lookup(&dst, fl, NULL, 0) < 0) + if (dst->error || xfrm_lookup(net, &dst, fl, NULL, 0) < 0) goto tx_err_link_failure; } diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 870a1d6..0f38960 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1466,7 +1466,7 @@ static void mld_sendpack(struct sk_buff *skb) &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, skb->dev->ifindex); - err = xfrm_lookup(&skb->dst, &fl, NULL, 0); + err = xfrm_lookup(net, &skb->dst, &fl, NULL, 0); if (err) goto err_out; @@ -1831,7 +1831,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type) &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, skb->dev->ifindex); - err = xfrm_lookup(&skb->dst, &fl, NULL, 0); + err = xfrm_lookup(net, &skb->dst, &fl, NULL, 0); if (err) goto err_out; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index af6705f..e4acc21 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -524,7 +524,7 @@ void ndisc_send_skb(struct sk_buff *skb, return; } - err = xfrm_lookup(&dst, &fl, NULL, 0); + err = xfrm_lookup(net, &dst, &fl, NULL, 0); if (err < 0) { kfree_skb(skb); return; @@ -1524,7 +1524,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh, if (dst == NULL) return; - err = xfrm_lookup(&dst, &fl, NULL, 0); + err = xfrm_lookup(net, &dst, &fl, NULL, 0); if (err) return; diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c index fd5b3a4..627e21d 100644 --- a/net/ipv6/netfilter.c +++ b/net/ipv6/netfilter.c @@ -29,7 +29,7 @@ int ip6_route_me_harder(struct sk_buff *skb) #ifdef CONFIG_XFRM if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) && xfrm_decode_session(skb, &fl, AF_INET6) == 0) - if (xfrm_lookup(&skb->dst, &fl, skb->sk, 0)) + if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0)) return -1; #endif diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index 0981b4c..5a2d0a4 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -97,7 +97,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb) dst = ip6_route_output(net, NULL, &fl); if (dst == NULL) return; - if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0)) + if (dst->error || xfrm_lookup(net, &dst, &fl, NULL, 0)) return; hh_len = (dst->dev->hard_header_len + 15)&~15; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 2ba04d4..61f6827 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -860,7 +860,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) { + err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT); + if (err < 0) { if (err == -EREMOTE) err = ip6_dst_blackhole(sk, &dst, &fl); if (err < 0) diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 676c80b..711175e 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -259,7 +259,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0) + if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) goto out_free; } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index a5d750a..f259c96 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -260,7 +260,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) { + err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT); + if (err < 0) { if (err == -EREMOTE) err = ip6_dst_blackhole(sk, &dst, &fl); if (err < 0) @@ -390,7 +391,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, goto out; } - if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) { + if ((err = xfrm_lookup(net, &dst, &fl, sk, 0)) < 0) { sk->sk_err_soft = -err; goto out; } @@ -492,7 +493,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req) goto done; if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) + if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) goto done; skb = tcp_make_synack(sk, dst, req); @@ -1018,7 +1019,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win, * namespace */ if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) { - if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) { + if (xfrm_lookup(net, &buff->dst, &fl, NULL, 0) >= 0) { ip6_xmit(ctl_sk, buff, &fl, NULL, 0); TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); if (rst) @@ -1316,7 +1317,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0) + if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) goto out; } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index fd2d9ad..38390dd 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -849,7 +849,8 @@ do_udp_sendmsg: if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) { + err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT); + if (err < 0) { if (err == -EREMOTE) err = ip6_dst_blackhole(sk, &dst, &fl); if (err < 0) diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 6165218..7c88a25 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -940,7 +940,8 @@ static int xfrm_policy_match(struct xfrm_policy *pol, struct flowi *fl, return ret; } -static struct xfrm_policy *xfrm_policy_lookup_bytype(u8 type, struct flowi *fl, +static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type, + struct flowi *fl, u16 family, u8 dir) { int err; @@ -956,7 +957,7 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(u8 type, struct flowi *fl, return NULL; read_lock_bh(&xfrm_policy_lock); - chain = policy_hash_direct(&init_net, daddr, saddr, family, dir); + chain = policy_hash_direct(net, daddr, saddr, family, dir); ret = NULL; hlist_for_each_entry(pol, entry, chain, bydst) { err = xfrm_policy_match(pol, fl, type, family, dir); @@ -973,7 +974,7 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(u8 type, struct flowi *fl, break; } } - chain = &init_net.xfrm.policy_inexact[dir]; + chain = &net->xfrm.policy_inexact[dir]; hlist_for_each_entry(pol, entry, chain, bydst) { err = xfrm_policy_match(pol, fl, type, family, dir); if (err) { @@ -996,14 +997,14 @@ fail: return ret; } -static int xfrm_policy_lookup(struct flowi *fl, u16 family, u8 dir, - void **objp, atomic_t **obj_refp) +static int xfrm_policy_lookup(struct net *net, struct flowi *fl, u16 family, + u8 dir, void **objp, atomic_t **obj_refp) { struct xfrm_policy *pol; int err = 0; #ifdef CONFIG_XFRM_SUB_POLICY - pol = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_SUB, fl, family, dir); + pol = xfrm_policy_lookup_bytype(net, XFRM_POLICY_TYPE_SUB, fl, family, dir); if (IS_ERR(pol)) { err = PTR_ERR(pol); pol = NULL; @@ -1011,7 +1012,7 @@ static int xfrm_policy_lookup(struct flowi *fl, u16 family, u8 dir, if (pol || err) goto end; #endif - pol = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_MAIN, fl, family, dir); + pol = xfrm_policy_lookup_bytype(net, XFRM_POLICY_TYPE_MAIN, fl, family, dir); if (IS_ERR(pol)) { err = PTR_ERR(pol); pol = NULL; @@ -1537,7 +1538,7 @@ static int stale_bundle(struct dst_entry *dst); * At the moment we eat a raw IP route. Mostly to speed up lookups * on interfaces with disabled IPsec. */ -int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, +int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, struct flowi *fl, struct sock *sk, int flags) { struct xfrm_policy *policy; @@ -1575,10 +1576,10 @@ restart: if (!policy) { /* To accelerate a bit... */ if ((dst_orig->flags & DST_NOXFRM) || - !init_net.xfrm.policy_count[XFRM_POLICY_OUT]) + !net->xfrm.policy_count[XFRM_POLICY_OUT]) goto nopol; - policy = flow_cache_lookup(fl, dst_orig->ops->family, + policy = flow_cache_lookup(net, fl, dst_orig->ops->family, dir, xfrm_policy_lookup); err = PTR_ERR(policy); if (IS_ERR(policy)) { @@ -1635,7 +1636,8 @@ restart: #ifdef CONFIG_XFRM_SUB_POLICY if (pols[0]->type != XFRM_POLICY_TYPE_MAIN) { - pols[1] = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_MAIN, + pols[1] = xfrm_policy_lookup_bytype(net, + XFRM_POLICY_TYPE_MAIN, fl, family, XFRM_POLICY_OUT); if (pols[1]) { @@ -1683,11 +1685,11 @@ restart: if (err == -EAGAIN && (flags & XFRM_LOOKUP_WAIT)) { DECLARE_WAITQUEUE(wait, current); - add_wait_queue(&init_net.xfrm.km_waitq, &wait); + add_wait_queue(&net->xfrm.km_waitq, &wait); set_current_state(TASK_INTERRUPTIBLE); schedule(); set_current_state(TASK_RUNNING); - remove_wait_queue(&init_net.xfrm.km_waitq, &wait); + remove_wait_queue(&net->xfrm.km_waitq, &wait); nx = xfrm_tmpl_resolve(pols, npols, fl, xfrm, family); @@ -1781,10 +1783,10 @@ nopol: } EXPORT_SYMBOL(__xfrm_lookup); -int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, +int xfrm_lookup(struct net *net, struct dst_entry **dst_p, struct flowi *fl, struct sock *sk, int flags) { - int err = __xfrm_lookup(dst_p, fl, sk, flags); + int err = __xfrm_lookup(net, dst_p, fl, sk, flags); if (err == -EREMOTE) { dst_release(*dst_p); @@ -1936,7 +1938,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, } if (!pol) - pol = flow_cache_lookup(&fl, family, fl_dir, + pol = flow_cache_lookup(&init_net, &fl, family, fl_dir, xfrm_policy_lookup); if (IS_ERR(pol)) { @@ -1959,7 +1961,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, npols ++; #ifdef CONFIG_XFRM_SUB_POLICY if (pols[0]->type != XFRM_POLICY_TYPE_MAIN) { - pols[1] = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_MAIN, + pols[1] = xfrm_policy_lookup_bytype(&init_net, XFRM_POLICY_TYPE_MAIN, &fl, family, XFRM_POLICY_IN); if (pols[1]) { @@ -2049,7 +2051,7 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family) return 0; } - return xfrm_lookup(&skb->dst, &fl, NULL, 0) == 0; + return xfrm_lookup(&init_net, &skb->dst, &fl, NULL, 0) == 0; } EXPORT_SYMBOL(__xfrm_route_forward); |