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ipv6: Convert to use flowi6 where applicable.

Browse source 
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-03-12 16:22:43 -05:00
parent 9cce96df5b
commit 4c9483b2fb
35 changed files with 622 additions and 620 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/infiniband/core/addr.c
View file

@ -231,28 +231,28 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
struct sockaddr_in6 *dst_in,
struct rdma_dev_addr *addr)
{
struct flowi fl;
struct flowi6 fl6;
struct neighbour *neigh;
struct dst_entry *dst;
int ret;
memset(&fl, 0, sizeof fl);
ipv6_addr_copy(&fl.fl6_dst, &dst_in->sin6_addr);
ipv6_addr_copy(&fl.fl6_src, &src_in->sin6_addr);
fl.flowi_oif = addr->bound_dev_if;
memset(&fl6, 0, sizeof fl6);
ipv6_addr_copy(&fl6.daddr, &dst_in->sin6_addr);
ipv6_addr_copy(&fl6.saddr, &src_in->sin6_addr);
fl6.flowi6_oif = addr->bound_dev_if;
dst = ip6_route_output(&init_net, NULL, &fl);
dst = ip6_route_output(&init_net, NULL, &fl6);
if ((ret = dst->error))
goto put;
if (ipv6_addr_any(&fl.fl6_src)) {
if (ipv6_addr_any(&fl6.saddr)) {
ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
&fl.fl6_dst, 0, &fl.fl6_src);
&fl6.daddr, 0, &fl6.saddr);
if (ret)
goto put;
src_in->sin6_family = AF_INET6;
ipv6_addr_copy(&src_in->sin6_addr, &fl.fl6_src);
ipv6_addr_copy(&src_in->sin6_addr, &fl6.saddr);
}
if (dst->dev->flags & IFF_LOOPBACK) {

12
drivers/net/cnic.c
View file

@ -3424,14 +3424,14 @@ static int cnic_get_v6_route(struct sockaddr_in6 *dst_addr,
struct dst_entry **dst)
{
#if defined(CONFIG_IPV6) || (defined(CONFIG_IPV6_MODULE) && defined(MODULE))
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
ipv6_addr_copy(&fl.fl6_dst, &dst_addr->sin6_addr);
if (ipv6_addr_type(&fl.fl6_dst) & IPV6_ADDR_LINKLOCAL)
fl.flowi_oif = dst_addr->sin6_scope_id;
memset(&fl6, 0, sizeof(fl6));
ipv6_addr_copy(&fl6.daddr, &dst_addr->sin6_addr);
if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL)
fl6.flowi6_oif = dst_addr->sin6_scope_id;
*dst = ip6_route_output(&init_net, NULL, &fl);
*dst = ip6_route_output(&init_net, NULL, &fl6);
if (*dst)
return 0;
#endif

4
include/linux/icmpv6.h
View file

@ -183,10 +183,10 @@ extern void icmpv6_cleanup(void);
extern void icmpv6_param_prob(struct sk_buff *skb,
u8 code, int pos);
struct flowi;
struct flowi6;
struct in6_addr;
extern void icmpv6_flow_init(struct sock *sk,
struct flowi *fl,
struct flowi6 *fl6,
u8 type,
const struct in6_addr *saddr,
const struct in6_addr *daddr,

4
include/net/ip6_fib.h
View file

@ -183,7 +183,7 @@ struct fib6_table {
typedef struct rt6_info *(*pol_lookup_t)(struct net *,
struct fib6_table *,
struct flowi *, int);
struct flowi6 *, int);
/*
* exported functions
@ -192,7 +192,7 @@ typedef struct rt6_info *(*pol_lookup_t)(struct net *,
extern struct fib6_table *fib6_get_table(struct net *net, u32 id);
extern struct fib6_table *fib6_new_table(struct net *net, u32 id);
extern struct dst_entry *fib6_rule_lookup(struct net *net,
struct flowi *fl, int flags,
struct flowi6 *fl6, int flags,
pol_lookup_t lookup);
extern struct fib6_node *fib6_lookup(struct fib6_node *root,

2
include/net/ip6_route.h
View file

@ -71,7 +71,7 @@ extern void ip6_route_input(struct sk_buff *skb);
extern struct dst_entry * ip6_route_output(struct net *net,
struct sock *sk,
struct flowi *fl);
struct flowi6 *fl6);
extern int ip6_route_init(void);
extern void ip6_route_cleanup(void);

16
include/net/ipv6.h
View file

@ -492,7 +492,7 @@ extern int ip6_rcv_finish(struct sk_buff *skb);
*/
extern int ip6_xmit(struct sock *sk,
struct sk_buff *skb,
struct flowi *fl,
struct flowi6 *fl6,
struct ipv6_txoptions *opt);
extern int ip6_nd_hdr(struct sock *sk,
@ -512,7 +512,7 @@ extern int ip6_append_data(struct sock *sk,
int hlimit,
int tclass,
struct ipv6_txoptions *opt,
struct flowi *fl,
struct flowi6 *fl6,
struct rt6_info *rt,
unsigned int flags,
int dontfrag);
@ -523,13 +523,13 @@ extern void ip6_flush_pending_frames(struct sock *sk);
extern int ip6_dst_lookup(struct sock *sk,
struct dst_entry **dst,
struct flowi *fl);
struct flowi6 *fl6);
extern struct dst_entry * ip6_dst_lookup_flow(struct sock *sk,
struct flowi *fl,
struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool can_sleep);
extern struct dst_entry * ip6_sk_dst_lookup_flow(struct sock *sk,
struct flowi *fl,
struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool can_sleep);
extern struct dst_entry * ip6_blackhole_route(struct net *net,
@ -566,7 +566,7 @@ extern int ipv6_ext_hdr(u8 nexthdr);
extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
extern struct in6_addr *fl6_update_dst(struct flowi *fl,
extern struct in6_addr *fl6_update_dst(struct flowi6 *fl6,
const struct ipv6_txoptions *opt,
struct in6_addr *orig);
@ -600,8 +600,8 @@ extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
extern int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len);
extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
u32 info, u8 *payload);
extern void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info);
extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu);
extern void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info);
extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu);
extern int inet6_release(struct socket *sock);
extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr,

4
include/net/transp_v6.h
View file

@ -14,7 +14,7 @@ extern struct proto udpv6_prot;
extern struct proto udplitev6_prot;
extern struct proto tcpv6_prot;
struct flowi;
struct flowi6;
/* extention headers */
extern int ipv6_exthdrs_init(void);
@ -42,7 +42,7 @@ extern int datagram_recv_ctl(struct sock *sk,
extern int datagram_send_ctl(struct net *net,
struct msghdr *msg,
struct flowi *fl,
struct flowi6 *fl6,
struct ipv6_txoptions *opt,
int *hlimit, int *tclass,
int *dontfrag);

126
net/dccp/ipv6.c
View file

@ -147,22 +147,22 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
dst = __sk_dst_check(sk, np->dst_cookie);
if (dst == NULL) {
struct inet_sock *inet = inet_sk(sk);
struct flowi fl;
struct flowi6 fl6;
/* BUGGG_FUTURE: Again, it is not clear how
to handle rthdr case. Ignore this complexity
for now.
*/
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.fl6_dport = inet->inet_dport;
fl.fl6_sport = inet->inet_sport;
security_sk_classify_flow(sk, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr, &np->saddr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.uli.ports.dport = inet->inet_dport;
fl6.uli.ports.sport = inet->inet_sport;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, NULL, false);
dst = ip6_dst_lookup_flow(sk, &fl6, NULL, false);
if (IS_ERR(dst)) {
sk->sk_err_soft = -PTR_ERR(dst);
goto out;
@ -243,25 +243,25 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
struct sk_buff *skb;
struct ipv6_txoptions *opt = NULL;
struct in6_addr *final_p, final;
struct flowi fl;
struct flowi6 fl6;
int err = -1;
struct dst_entry *dst;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr);
ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
fl.fl6_flowlabel = 0;
fl.flowi_oif = ireq6->iif;
fl.fl6_dport = inet_rsk(req)->rmt_port;
fl.fl6_sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr);
ipv6_addr_copy(&fl6.saddr, &ireq6->loc_addr);
fl6.flowlabel = 0;
fl6.flowi6_oif = ireq6->iif;
fl6.uli.ports.dport = inet_rsk(req)->rmt_port;
fl6.uli.ports.sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, flowi6_to_flowi(&fl6));
opt = np->opt;
final_p = fl6_update_dst(&fl, opt, &final);
final_p = fl6_update_dst(&fl6, opt, &final);
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
@ -275,8 +275,8 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
dh->dccph_checksum = dccp_v6_csum_finish(skb,
&ireq6->loc_addr,
&ireq6->rmt_addr);
ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr);
err = ip6_xmit(sk, skb, &fl, opt);
ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr);
err = ip6_xmit(sk, skb, &fl6, opt);
err = net_xmit_eval(err);
}
@ -298,7 +298,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
{
struct ipv6hdr *rxip6h;
struct sk_buff *skb;
struct flowi fl;
struct flowi6 fl6;
struct net *net = dev_net(skb_dst(rxskb)->dev);
struct sock *ctl_sk = net->dccp.v6_ctl_sk;
struct dst_entry *dst;
@ -317,21 +317,21 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
dccp_hdr(skb)->dccph_checksum = dccp_v6_csum_finish(skb, &rxip6h->saddr,
&rxip6h->daddr);
memset(&fl, 0, sizeof(fl));
ipv6_addr_copy(&fl.fl6_dst, &rxip6h->saddr);
ipv6_addr_copy(&fl.fl6_src, &rxip6h->daddr);
memset(&fl6, 0, sizeof(fl6));
ipv6_addr_copy(&fl6.daddr, &rxip6h->saddr);
ipv6_addr_copy(&fl6.saddr, &rxip6h->daddr);
fl.flowi_proto = IPPROTO_DCCP;
fl.flowi_oif = inet6_iif(rxskb);
fl.fl6_dport = dccp_hdr(skb)->dccph_dport;
fl.fl6_sport = dccp_hdr(skb)->dccph_sport;
security_skb_classify_flow(rxskb, &fl);
fl6.flowi6_proto = IPPROTO_DCCP;
fl6.flowi6_oif = inet6_iif(rxskb);
fl6.uli.ports.dport = dccp_hdr(skb)->dccph_dport;
fl6.uli.ports.sport = dccp_hdr(skb)->dccph_sport;
security_skb_classify_flow(rxskb, flowi6_to_flowi(&fl6));
/* sk = NULL, but it is safe for now. RST socket required. */
dst = ip6_dst_lookup_flow(ctl_sk, &fl, NULL, false);
dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
if (!IS_ERR(dst)) {
skb_dst_set(skb, dst);
ip6_xmit(ctl_sk, skb, &fl, NULL);
ip6_xmit(ctl_sk, skb, &fl6, NULL);
DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
return;
@ -527,19 +527,19 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
if (dst == NULL) {
struct in6_addr *final_p, final;
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr);
final_p = fl6_update_dst(&fl, opt, &final);
ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.fl6_dport = inet_rsk(req)->rmt_port;
fl.fl6_sport = inet_rsk(req)->loc_port;
security_sk_classify_flow(sk, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr);
final_p = fl6_update_dst(&fl6, opt, &final);
ipv6_addr_copy(&fl6.saddr, &ireq6->loc_addr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.uli.ports.dport = inet_rsk(req)->rmt_port;
fl6.uli.ports.sport = inet_rsk(req)->loc_port;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst))
goto out;
}
@ -859,7 +859,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
struct ipv6_pinfo *np = inet6_sk(sk);
struct dccp_sock *dp = dccp_sk(sk);
struct in6_addr *saddr = NULL, *final_p, final;
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
int addr_type;
int err;
@ -872,14 +872,14 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (usin->sin6_family != AF_INET6)
return -EAFNOSUPPORT;
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
if (np->sndflow) {
fl.fl6_flowlabel = usin->sin6_flowinfo & IPV6_FLOWINFO_MASK;
IP6_ECN_flow_init(fl.fl6_flowlabel);
if (fl.fl6_flowlabel & IPV6_FLOWLABEL_MASK) {
fl6.flowlabel = usin->sin6_flowinfo & IPV6_FLOWINFO_MASK;
IP6_ECN_flow_init(fl6.flowlabel);
if (fl6.flowlabel & IPV6_FLOWLABEL_MASK) {
struct ip6_flowlabel *flowlabel;
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
@ -916,7 +916,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
}
ipv6_addr_copy(&np->daddr, &usin->sin6_addr);
np->flow_label = fl.fl6_flowlabel;
np->flow_label = fl6.flowlabel;
/*
* DCCP over IPv4
@ -953,24 +953,24 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (!ipv6_addr_any(&np->rcv_saddr))
saddr = &np->rcv_saddr;
fl.flowi_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, saddr ? saddr : &np->saddr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.fl6_dport = usin->sin6_port;
fl.fl6_sport = inet->inet_sport;
security_sk_classify_flow(sk, &fl);
fl6.flowi6_proto = IPPROTO_DCCP;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr, saddr ? saddr : &np->saddr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.uli.ports.dport = usin->sin6_port;
fl6.uli.ports.sport = inet->inet_sport;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
final_p = fl6_update_dst(&fl, np->opt, &final);
final_p = fl6_update_dst(&fl6, np->opt, &final);
dst = ip6_dst_lookup_flow(sk, &fl, final_p, true);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
}
if (saddr == NULL) {
saddr = &fl.fl6_src;
saddr = &fl6.saddr;
ipv6_addr_copy(&np->rcv_saddr, saddr);
}

26
net/ipv6/af_inet6.c
View file

@ -652,22 +652,22 @@ int inet6_sk_rebuild_header(struct sock *sk)
if (dst == NULL) {
struct inet_sock *inet = inet_sk(sk);
struct in6_addr *final_p, final;
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = sk->sk_protocol;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl6_flowlabel = np->flow_label;
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = inet->inet_dport;
fl.fl6_sport = inet->inet_sport;
security_sk_classify_flow(sk, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = sk->sk_protocol;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr, &np->saddr);
fl6.flowlabel = np->flow_label;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = inet->inet_dport;
fl6.uli.ports.sport = inet->inet_sport;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
final_p = fl6_update_dst(&fl, np->opt, &final);
final_p = fl6_update_dst(&fl6, np->opt, &final);
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst)) {
sk->sk_route_caps = 0;
sk->sk_err_soft = -PTR_ERR(dst);

75
net/ipv6/datagram.c
View file

@ -40,7 +40,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *daddr, *final_p, final;
struct dst_entry *dst;
struct flowi fl;
struct flowi6 fl6;
struct ip6_flowlabel *flowlabel = NULL;
struct ipv6_txoptions *opt;
int addr_type;
@ -59,11 +59,11 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (usin->sin6_family != AF_INET6)
return -EAFNOSUPPORT;
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
if (np->sndflow) {
fl.fl6_flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
fl6.flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
@ -137,7 +137,7 @@ ipv4_connected:
}
ipv6_addr_copy(&np->daddr, daddr);
np->flow_label = fl.fl6_flowlabel;
np->flow_label = fl6.flowlabel;
inet->inet_dport = usin->sin6_port;
@ -146,23 +146,23 @@ ipv4_connected:
* destination cache for it.
*/
fl.flowi_proto = sk->sk_protocol;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = inet->inet_dport;
fl.fl6_sport = inet->inet_sport;
fl6.flowi6_proto = sk->sk_protocol;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr, &np->saddr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = inet->inet_dport;
fl6.uli.ports.sport = inet->inet_sport;
if (!fl.flowi_oif && (addr_type&IPV6_ADDR_MULTICAST))
fl.flowi_oif = np->mcast_oif;
if (!fl6.flowi6_oif && (addr_type&IPV6_ADDR_MULTICAST))
fl6.flowi6_oif = np->mcast_oif;
security_sk_classify_flow(sk, &fl);
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
opt = flowlabel ? flowlabel->opt : np->opt;
final_p = fl6_update_dst(&fl, opt, &final);
final_p = fl6_update_dst(&fl6, opt, &final);
dst = ip6_dst_lookup_flow(sk, &fl, final_p, true);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
err = 0;
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
@ -172,20 +172,20 @@ ipv4_connected:
/* source address lookup done in ip6_dst_lookup */
if (ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&np->saddr, &fl.fl6_src);
ipv6_addr_copy(&np->saddr, &fl6.saddr);
if (ipv6_addr_any(&np->rcv_saddr)) {
ipv6_addr_copy(&np->rcv_saddr, &fl.fl6_src);
ipv6_addr_copy(&np->rcv_saddr, &fl6.saddr);
inet->inet_rcv_saddr = LOOPBACK4_IPV6;
if (sk->sk_prot->rehash)
sk->sk_prot->rehash(sk);
}
ip6_dst_store(sk, dst,
ipv6_addr_equal(&fl.fl6_dst, &np->daddr) ?
ipv6_addr_equal(&fl6.daddr, &np->daddr) ?
&np->daddr : NULL,
#ifdef CONFIG_IPV6_SUBTREES
ipv6_addr_equal(&fl.fl6_src, &np->saddr) ?
ipv6_addr_equal(&fl6.saddr, &np->saddr) ?
&np->saddr :
#endif
NULL);
@ -231,7 +231,7 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
kfree_skb(skb);
}
void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct sock_exterr_skb *serr;
@ -250,7 +250,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
ipv6_addr_copy(&iph->daddr, &fl->fl6_dst);
ipv6_addr_copy(&iph->daddr, &fl6->daddr);
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
@ -261,7 +261,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
serr->ee.ee_info = info;
serr->ee.ee_data = 0;
serr->addr_offset = (u8 *)&iph->daddr - skb_network_header(skb);
serr->port = fl->fl6_dport;
serr->port = fl6->uli.ports.dport;
__skb_pull(skb, skb_tail_pointer(skb) - skb->data);
skb_reset_transport_header(skb);
@ -270,7 +270,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
kfree_skb(skb);
}
void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu)
void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6hdr *iph;
@ -287,7 +287,7 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu)
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
ipv6_addr_copy(&iph->daddr, &fl->fl6_dst);
ipv6_addr_copy(&iph->daddr, &fl6->daddr);
mtu_info = IP6CBMTU(skb);
if (!mtu_info) {
@ -299,7 +299,7 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu)
mtu_info->ip6m_addr.sin6_family = AF_INET6;
mtu_info->ip6m_addr.sin6_port = 0;
mtu_info->ip6m_addr.sin6_flowinfo = 0;
mtu_info->ip6m_addr.sin6_scope_id = fl->flowi_oif;
mtu_info->ip6m_addr.sin6_scope_id = fl6->flowi6_oif;
ipv6_addr_copy(&mtu_info->ip6m_addr.sin6_addr, &ipv6_hdr(skb)->daddr);
__skb_pull(skb, skb_tail_pointer(skb) - skb->data);
@ -593,7 +593,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
}
int datagram_send_ctl(struct net *net,
struct msghdr *msg, struct flowi *fl,
struct msghdr *msg, struct flowi6 *fl6,
struct ipv6_txoptions *opt,
int *hlimit, int *tclass, int *dontfrag)
{
@ -629,16 +629,17 @@ int datagram_send_ctl(struct net *net,
src_info = (struct in6_pktinfo *)CMSG_DATA(cmsg);
if (src_info->ipi6_ifindex) {
if (fl->flowi_oif && src_info->ipi6_ifindex != fl->flowi_oif)
if (fl6->flowi6_oif &&
src_info->ipi6_ifindex != fl6->flowi6_oif)
return -EINVAL;
fl->flowi_oif = src_info->ipi6_ifindex;
fl6->flowi6_oif = src_info->ipi6_ifindex;
}
addr_type = __ipv6_addr_type(&src_info->ipi6_addr);
rcu_read_lock();
if (fl->flowi_oif) {
dev = dev_get_by_index_rcu(net, fl->flowi_oif);
if (fl6->flowi6_oif) {
dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);
if (!dev) {
rcu_read_unlock();
return -ENODEV;
@ -654,7 +655,7 @@ int datagram_send_ctl(struct net *net,
strict ? dev : NULL, 0))
err = -EINVAL;
else
ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
ipv6_addr_copy(&fl6->saddr, &src_info->ipi6_addr);
}
rcu_read_unlock();
@ -671,13 +672,13 @@ int datagram_send_ctl(struct net *net,
goto exit_f;
}
if (fl->fl6_flowlabel&IPV6_FLOWINFO_MASK) {
if ((fl->fl6_flowlabel^*(__be32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
if (fl6->flowlabel&IPV6_FLOWINFO_MASK) {
if ((fl6->flowlabel^*(__be32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
err = -EINVAL;
goto exit_f;
}
}
fl->fl6_flowlabel = IPV6_FLOWINFO_MASK & *(__be32 *)CMSG_DATA(cmsg);
fl6->flowlabel = IPV6_FLOWINFO_MASK & *(__be32 *)CMSG_DATA(cmsg);
break;
case IPV6_2292HOPOPTS:

12
net/ipv6/exthdrs.c
View file

@ -876,22 +876,22 @@ struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
* fl6_update_dst - update flowi destination address with info given
* by srcrt option, if any.
*
* @fl: flowi for which fl6_dst is to be updated
* @fl6: flowi6 for which daddr is to be updated
* @opt: struct ipv6_txoptions in which to look for srcrt opt
* @orig: copy of original fl6_dst address if modified
* @orig: copy of original daddr address if modified
*
* Returns NULL if no txoptions or no srcrt, otherwise returns orig
* and initial value of fl->fl6_dst set in orig
* and initial value of fl6->daddr set in orig
*/
struct in6_addr *fl6_update_dst(struct flowi *fl,
struct in6_addr *fl6_update_dst(struct flowi6 *fl6,
const struct ipv6_txoptions *opt,
struct in6_addr *orig)
{
if (!opt || !opt->srcrt)
return NULL;
ipv6_addr_copy(orig, &fl->fl6_dst);
ipv6_addr_copy(&fl->fl6_dst, ((struct rt0_hdr *)opt->srcrt)->addr);
ipv6_addr_copy(orig, &fl6->daddr);
ipv6_addr_copy(&fl6->daddr, ((struct rt0_hdr *)opt->srcrt)->addr);
return orig;
}

19
net/ipv6/fib6_rules.c
View file

@ -29,7 +29,7 @@ struct fib6_rule
u8 tclass;
};
struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
int flags, pol_lookup_t lookup)
{
struct fib_lookup_arg arg = {
@ -37,7 +37,8 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
.flags = FIB_LOOKUP_NOREF,
};
fib_rules_lookup(net->ipv6.fib6_rules_ops, fl, flags, &arg);
fib_rules_lookup(net->ipv6.fib6_rules_ops,
flowi6_to_flowi(fl6), flags, &arg);
if (arg.result)
return arg.result;
@ -49,6 +50,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
int flags, struct fib_lookup_arg *arg)
{
struct flowi6 *flp6 = &flp->u.ip6;
struct rt6_info *rt = NULL;
struct fib6_table *table;
struct net *net = rule->fr_net;
@ -71,7 +73,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
table = fib6_get_table(net, rule->table);
if (table)
rt = lookup(net, table, flp, flags);
rt = lookup(net, table, flp6, flags);
if (rt != net->ipv6.ip6_null_entry) {
struct fib6_rule *r = (struct fib6_rule *)rule;
@ -86,14 +88,14 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
if (ipv6_dev_get_saddr(net,
ip6_dst_idev(&rt->dst)->dev,
&flp->fl6_dst,
&flp6->daddr,
rt6_flags2srcprefs(flags),
&saddr))
goto again;
if (!ipv6_prefix_equal(&saddr, &r->src.addr,
r->src.plen))
goto again;
ipv6_addr_copy(&flp->fl6_src, &saddr);
ipv6_addr_copy(&flp6->saddr, &saddr);
}
goto out;
}
@ -113,9 +115,10 @@ out:
static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
{
struct fib6_rule *r = (struct fib6_rule *) rule;
struct flowi6 *fl6 = &fl->u.ip6;
if (r->dst.plen &&
!ipv6_prefix_equal(&fl->fl6_dst, &r->dst.addr, r->dst.plen))
!ipv6_prefix_equal(&fl6->daddr, &r->dst.addr, r->dst.plen))
return 0;
/*
@ -125,14 +128,14 @@ static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
*/
if (r->src.plen) {
if (flags & RT6_LOOKUP_F_HAS_SADDR) {
if (!ipv6_prefix_equal(&fl->fl6_src, &r->src.addr,
if (!ipv6_prefix_equal(&fl6->saddr, &r->src.addr,
r->src.plen))
return 0;
} else if (!(r->common.flags & FIB_RULE_FIND_SADDR))
return 0;
}
if (r->tclass && r->tclass != ((ntohl(fl->fl6_flowlabel) >> 20) & 0xff))
if (r->tclass && r->tclass != ((ntohl(fl6->flowlabel) >> 20) & 0xff))
return 0;
return 1;

110
net/ipv6/icmp.c
View file

@ -158,7 +158,7 @@ static int is_ineligible(struct sk_buff *skb)
* Check the ICMP output rate limit
*/
static inline bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
struct flowi *fl)
struct flowi6 *fl6)
{
struct dst_entry *dst;
struct net *net = sock_net(sk);
@ -177,7 +177,7 @@ static inline bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
* XXX: perhaps the expire for routing entries cloned by
* this lookup should be more aggressive (not longer than timeout).
*/
dst = ip6_route_output(net, sk, fl);
dst = ip6_route_output(net, sk, fl6);
if (dst->error) {
IP6_INC_STATS(net, ip6_dst_idev(dst),
IPSTATS_MIB_OUTNOROUTES);
@ -217,7 +217,7 @@ static __inline__ int opt_unrec(struct sk_buff *skb, __u32 offset)
return (*op & 0xC0) == 0x80;
}
static int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct icmp6hdr *thdr, int len)
static int icmpv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, struct icmp6hdr *thdr, int len)
{
struct sk_buff *skb;
struct icmp6hdr *icmp6h;
@ -233,9 +233,9 @@ static int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct
if (skb_queue_len(&sk->sk_write_queue) == 1) {
skb->csum = csum_partial(icmp6h,
sizeof(struct icmp6hdr), skb->csum);
icmp6h->icmp6_cksum = csum_ipv6_magic(&fl->fl6_src,
&fl->fl6_dst,
len, fl->flowi_proto,
icmp6h->icmp6_cksum = csum_ipv6_magic(&fl6->saddr,
&fl6->daddr,
len, fl6->flowi6_proto,
skb->csum);
} else {
__wsum tmp_csum = 0;
@ -246,9 +246,9 @@ static int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct
tmp_csum = csum_partial(icmp6h,
sizeof(struct icmp6hdr), tmp_csum);
icmp6h->icmp6_cksum = csum_ipv6_magic(&fl->fl6_src,
&fl->fl6_dst,
len, fl->flowi_proto,
icmp6h->icmp6_cksum = csum_ipv6_magic(&fl6->saddr,
&fl6->daddr,
len, fl6->flowi6_proto,
tmp_csum);
}
ip6_push_pending_frames(sk);
@ -301,13 +301,13 @@ static inline void mip6_addr_swap(struct sk_buff *skb) {}
#endif
static struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *skb,
struct sock *sk, struct flowi *fl)
struct sock *sk, struct flowi6 *fl6)
{
struct dst_entry *dst, *dst2;
struct flowi fl2;
struct flowi6 fl2;
int err;
err = ip6_dst_lookup(sk, &dst, fl);
err = ip6_dst_lookup(sk, &dst, fl6);
if (err)
return ERR_PTR(err);
@ -324,7 +324,7 @@ static struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *sk
/* No need to clone since we're just using its address. */
dst2 = dst;
dst = xfrm_lookup(net, dst, fl, sk, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(fl6), sk, 0);
if (!IS_ERR(dst)) {
if (dst != dst2)
return dst;
@ -335,7 +335,7 @@ static struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *sk
return dst;
}
err = xfrm_decode_session_reverse(skb, &fl2, AF_INET6);
err = xfrm_decode_session_reverse(skb, flowi6_to_flowi(&fl2), AF_INET6);
if (err)
goto relookup_failed;
@ -343,7 +343,7 @@ static struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *sk
if (err)
goto relookup_failed;
dst2 = xfrm_lookup(net, dst2, &fl2, sk, XFRM_LOOKUP_ICMP);
dst2 = xfrm_lookup(net, dst2, flowi6_to_flowi(&fl2), sk, XFRM_LOOKUP_ICMP);
if (!IS_ERR(dst2)) {
dst_release(dst);
dst = dst2;
@ -375,7 +375,7 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
struct in6_addr *saddr = NULL;
struct dst_entry *dst;
struct icmp6hdr tmp_hdr;
struct flowi fl;
struct flowi6 fl6;
struct icmpv6_msg msg;
int iif = 0;
int addr_type = 0;
@ -442,22 +442,22 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
mip6_addr_swap(skb);
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_ICMPV6;
ipv6_addr_copy(&fl.fl6_dst, &hdr->saddr);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_ICMPV6;
ipv6_addr_copy(&fl6.daddr, &hdr->saddr);
if (saddr)
ipv6_addr_copy(&fl.fl6_src, saddr);
fl.flowi_oif = iif;
fl.fl6_icmp_type = type;
fl.fl6_icmp_code = code;
security_skb_classify_flow(skb, &fl);
ipv6_addr_copy(&fl6.saddr, saddr);
fl6.flowi6_oif = iif;
fl6.uli.icmpt.type = type;
fl6.uli.icmpt.code = code;
security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
sk = icmpv6_xmit_lock(net);
if (sk == NULL)
return;
np = inet6_sk(sk);
if (!icmpv6_xrlim_allow(sk, type, &fl))
if (!icmpv6_xrlim_allow(sk, type, &fl6))
goto out;
tmp_hdr.icmp6_type = type;
@ -465,14 +465,14 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
tmp_hdr.icmp6_cksum = 0;
tmp_hdr.icmp6_pointer = htonl(info);
if (!fl.flowi_oif && ipv6_addr_is_multicast(&fl.fl6_dst))
fl.flowi_oif = np->mcast_oif;
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
dst = icmpv6_route_lookup(net, skb, sk, &fl);
dst = icmpv6_route_lookup(net, skb, sk, &fl6);
if (IS_ERR(dst))
goto out;
if (ipv6_addr_is_multicast(&fl.fl6_dst))
if (ipv6_addr_is_multicast(&fl6.daddr))
hlimit = np->mcast_hops;
else
hlimit = np->hop_limit;
@ -495,14 +495,14 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
err = ip6_append_data(sk, icmpv6_getfrag, &msg,
len + sizeof(struct icmp6hdr),
sizeof(struct icmp6hdr), hlimit,
np->tclass, NULL, &fl, (struct rt6_info*)dst,
np->tclass, NULL, &fl6, (struct rt6_info*)dst,
MSG_DONTWAIT, np->dontfrag);
if (err) {
ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTERRORS);
ip6_flush_pending_frames(sk);
goto out_put;
}
err = icmpv6_push_pending_frames(sk, &fl, &tmp_hdr, len + sizeof(struct icmp6hdr));
err = icmpv6_push_pending_frames(sk, &fl6, &tmp_hdr, len + sizeof(struct icmp6hdr));
out_put:
if (likely(idev != NULL))
@ -524,7 +524,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
struct in6_addr *saddr = NULL;
struct icmp6hdr *icmph = icmp6_hdr(skb);
struct icmp6hdr tmp_hdr;
struct flowi fl;
struct flowi6 fl6;
struct icmpv6_msg msg;
struct dst_entry *dst;
int err = 0;
@ -538,31 +538,31 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
memcpy(&tmp_hdr, icmph, sizeof(tmp_hdr));
tmp_hdr.icmp6_type = ICMPV6_ECHO_REPLY;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_ICMPV6;
ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_ICMPV6;
ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->saddr);
if (saddr)
ipv6_addr_copy(&fl.fl6_src, saddr);
fl.flowi_oif = skb->dev->ifindex;
fl.fl6_icmp_type = ICMPV6_ECHO_REPLY;
security_skb_classify_flow(skb, &fl);
ipv6_addr_copy(&fl6.saddr, saddr);
fl6.flowi6_oif = skb->dev->ifindex;
fl6.uli.icmpt.type = ICMPV6_ECHO_REPLY;
security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
sk = icmpv6_xmit_lock(net);
if (sk == NULL)
return;
np = inet6_sk(sk);
if (!fl.flowi_oif && ipv6_addr_is_multicast(&fl.fl6_dst))
fl.flowi_oif = np->mcast_oif;
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
err = ip6_dst_lookup(sk, &dst, &fl);
err = ip6_dst_lookup(sk, &dst, &fl6);
if (err)
goto out;
dst = xfrm_lookup(net, dst, &fl, sk, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), sk, 0);
if (IS_ERR(dst))
goto out;
if (ipv6_addr_is_multicast(&fl.fl6_dst))
if (ipv6_addr_is_multicast(&fl6.daddr))
hlimit = np->mcast_hops;
else
hlimit = np->hop_limit;
@ -576,7 +576,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
msg.type = ICMPV6_ECHO_REPLY;
err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr),
sizeof(struct icmp6hdr), hlimit, np->tclass, NULL, &fl,
sizeof(struct icmp6hdr), hlimit, np->tclass, NULL, &fl6,
(struct rt6_info*)dst, MSG_DONTWAIT,
np->dontfrag);
@ -585,7 +585,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
ip6_flush_pending_frames(sk);
goto out_put;
}
err = icmpv6_push_pending_frames(sk, &fl, &tmp_hdr, skb->len + sizeof(struct icmp6hdr));
err = icmpv6_push_pending_frames(sk, &fl6, &tmp_hdr, skb->len + sizeof(struct icmp6hdr));
out_put:
if (likely(idev != NULL))
@ -784,20 +784,20 @@ drop_no_count:
return 0;
}
void icmpv6_flow_init(struct sock *sk, struct flowi *fl,
void icmpv6_flow_init(struct sock *sk, struct flowi6 *fl6,
u8 type,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
int oif)
{
memset(fl, 0, sizeof(*fl));
ipv6_addr_copy(&fl->fl6_src, saddr);
ipv6_addr_copy(&fl->fl6_dst, daddr);
fl->flowi_proto = IPPROTO_ICMPV6;
fl->fl6_icmp_type = type;
fl->fl6_icmp_code = 0;
fl->flowi_oif = oif;
security_sk_classify_flow(sk, fl);
memset(fl6, 0, sizeof(*fl6));
ipv6_addr_copy(&fl6->saddr, saddr);
ipv6_addr_copy(&fl6->daddr, daddr);
fl6->flowi6_proto = IPPROTO_ICMPV6;
fl6->uli.icmpt.type = type;
fl6->uli.icmpt.code = 0;
fl6->flowi6_oif = oif;
security_sk_classify_flow(sk, flowi6_to_flowi(fl6));
}
/*

56
net/ipv6/inet6_connection_sock.c
View file

@ -61,20 +61,20 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *final_p, final;
struct dst_entry *dst;
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
final_p = fl6_update_dst(&fl, np->opt, &final);
ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = inet_rsk(req)->rmt_port;
fl.fl6_sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
final_p = fl6_update_dst(&fl6, np->opt, &final);
ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = inet_rsk(req)->rmt_port;
fl6.uli.ports.sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst))
return NULL;
@ -208,28 +208,28 @@ int inet6_csk_xmit(struct sk_buff *skb)
struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
struct in6_addr *final_p, final;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = sk->sk_protocol;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl6_flowlabel = np->flow_label;
IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_sport = inet->inet_sport;
fl.fl6_dport = inet->inet_dport;
security_sk_classify_flow(sk, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = sk->sk_protocol;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr, &np->saddr);
fl6.flowlabel = np->flow_label;
IP6_ECN_flow_xmit(sk, fl6.flowlabel);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.sport = inet->inet_sport;
fl6.uli.ports.dport = inet->inet_dport;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
final_p = fl6_update_dst(&fl, np->opt, &final);
final_p = fl6_update_dst(&fl6, np->opt, &final);
dst = __inet6_csk_dst_check(sk, np->dst_cookie);
if (dst == NULL) {
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst)) {
sk->sk_err_soft = -PTR_ERR(dst);
@ -244,9 +244,9 @@ int inet6_csk_xmit(struct sk_buff *skb)
skb_dst_set(skb, dst_clone(dst));
/* Restore final destination back after routing done */
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl6.daddr, &np->daddr);
return ip6_xmit(sk, skb, &fl, np->opt);
return ip6_xmit(sk, skb, &fl6, np->opt);
}
EXPORT_SYMBOL_GPL(inet6_csk_xmit);

4
net/ipv6/ip6_fib.c
View file

@ -260,10 +260,10 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id)
return net->ipv6.fib6_main_tbl;
}
struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
int flags, pol_lookup_t lookup)
{
return (struct dst_entry *) lookup(net, net->ipv6.fib6_main_tbl, fl, flags);
return (struct dst_entry *) lookup(net, net->ipv6.fib6_main_tbl, fl6, flags);
}
static void __net_init fib6_tables_init(struct net *net)

6
net/ipv6/ip6_flowlabel.c
View file

@ -342,7 +342,7 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
if (olen > 0) {
struct msghdr msg;
struct flowi flowi;
struct flowi6 flowi6;
int junk;
err = -ENOMEM;
@ -358,9 +358,9 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
msg.msg_controllen = olen;
msg.msg_control = (void*)(fl->opt+1);
flowi.flowi_oif = 0;
memset(&flowi6, 0, sizeof(flowi6));
err = datagram_send_ctl(net, &msg, &flowi, fl->opt, &junk,
err = datagram_send_ctl(net, &msg, &flowi6, fl->opt, &junk,
&junk, &junk);
if (err)
goto done;

90
net/ipv6/ip6_output.c
View file

@ -174,15 +174,15 @@ int ip6_output(struct sk_buff *skb)
* xmit an sk_buff (used by TCP, SCTP and DCCP)
*/
int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
struct ipv6_txoptions *opt)
{
struct net *net = sock_net(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *first_hop = &fl->fl6_dst;
struct in6_addr *first_hop = &fl6->daddr;
struct dst_entry *dst = skb_dst(skb);
struct ipv6hdr *hdr;
u8 proto = fl->flowi_proto;
u8 proto = fl6->flowi6_proto;
int seg_len = skb->len;
int hlimit = -1;
int tclass = 0;
@ -230,13 +230,13 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
*(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;
*(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl6->flowlabel;
hdr->payload_len = htons(seg_len);
hdr->nexthdr = proto;
hdr->hop_limit = hlimit;
ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
ipv6_addr_copy(&hdr->saddr, &fl6->saddr);
ipv6_addr_copy(&hdr->daddr, first_hop);
skb->priority = sk->sk_priority;
@ -879,7 +879,7 @@ static inline int ip6_rt_check(struct rt6key *rt_key,
static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
struct dst_entry *dst,
struct flowi *fl)
struct flowi6 *fl6)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct rt6_info *rt = (struct rt6_info *)dst;
@ -904,11 +904,11 @@ static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
* sockets.
* 2. oif also should be the same.
*/
if (ip6_rt_check(&rt->rt6i_dst, &fl->fl6_dst, np->daddr_cache) ||
if (ip6_rt_check(&rt->rt6i_dst, &fl6->daddr, np->daddr_cache) ||
#ifdef CONFIG_IPV6_SUBTREES
ip6_rt_check(&rt->rt6i_src, &fl->fl6_src, np->saddr_cache) ||
ip6_rt_check(&rt->rt6i_src, &fl6->saddr, np->saddr_cache) ||
#endif
(fl->flowi_oif && fl->flowi_oif != dst->dev->ifindex)) {
(fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex)) {
dst_release(dst);
dst = NULL;
}
@ -918,22 +918,22 @@ out:
}
static int ip6_dst_lookup_tail(struct sock *sk,
struct dst_entry **dst, struct flowi *fl)
struct dst_entry **dst, struct flowi6 *fl6)
{
int err;
struct net *net = sock_net(sk);
if (*dst == NULL)
*dst = ip6_route_output(net, sk, fl);
*dst = ip6_route_output(net, sk, fl6);
if ((err = (*dst)->error))
goto out_err_release;
if (ipv6_addr_any(&fl->fl6_src)) {
if (ipv6_addr_any(&fl6->saddr)) {
err = ipv6_dev_get_saddr(net, ip6_dst_idev(*dst)->dev,
&fl->fl6_dst,
&fl6->daddr,
sk ? inet6_sk(sk)->srcprefs : 0,
&fl->fl6_src);
&fl6->saddr);
if (err)
goto out_err_release;
}
@ -949,10 +949,10 @@ static int ip6_dst_lookup_tail(struct sock *sk,
*/
if ((*dst)->neighbour && !((*dst)->neighbour->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
struct flowi fl_gw;
struct flowi6 fl_gw6;
int redirect;
ifp = ipv6_get_ifaddr(net, &fl->fl6_src,
ifp = ipv6_get_ifaddr(net, &fl6->saddr,
(*dst)->dev, 1);
redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
@ -965,9 +965,9 @@ static int ip6_dst_lookup_tail(struct sock *sk,
* default router instead
*/
dst_release(*dst);
memcpy(&fl_gw, fl, sizeof(struct flowi));
memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr));
*dst = ip6_route_output(net, sk, &fl_gw);
memcpy(&fl_gw6, fl6, sizeof(struct flowi6));
memset(&fl_gw6.daddr, 0, sizeof(struct in6_addr));
*dst = ip6_route_output(net, sk, &fl_gw6);
if ((err = (*dst)->error))
goto out_err_release;
}
@ -988,23 +988,23 @@ out_err_release:
* ip6_dst_lookup - perform route lookup on flow
* @sk: socket which provides route info
* @dst: pointer to dst_entry * for result
* @fl: flow to lookup
* @fl6: flow to lookup
*
* This function performs a route lookup on the given flow.
*
* It returns zero on success, or a standard errno code on error.
*/
int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6)
{
*dst = NULL;
return ip6_dst_lookup_tail(sk, dst, fl);
return ip6_dst_lookup_tail(sk, dst, fl6);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup);
/**
* ip6_dst_lookup_flow - perform route lookup on flow with ipsec
* @sk: socket which provides route info
* @fl: flow to lookup
* @fl6: flow to lookup
* @final_dst: final destination address for ipsec lookup
* @can_sleep: we are in a sleepable context
*
@ -1013,29 +1013,29 @@ EXPORT_SYMBOL_GPL(ip6_dst_lookup);
* It returns a valid dst pointer on success, or a pointer encoded
* error code.
*/
struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi *fl,
struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool can_sleep)
{
struct dst_entry *dst = NULL;
int err;
err = ip6_dst_lookup_tail(sk, &dst, fl);
err = ip6_dst_lookup_tail(sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
ipv6_addr_copy(&fl->fl6_dst, final_dst);
ipv6_addr_copy(&fl6->daddr, final_dst);
if (can_sleep)
fl->flowi_flags |= FLOWI_FLAG_CAN_SLEEP;
fl6->flowi6_flags |= FLOWI_FLAG_CAN_SLEEP;
return xfrm_lookup(sock_net(sk), dst, fl, sk, 0);
return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow);
/**
* ip6_sk_dst_lookup_flow - perform socket cached route lookup on flow
* @sk: socket which provides the dst cache and route info
* @fl: flow to lookup
* @fl6: flow to lookup
* @final_dst: final destination address for ipsec lookup
* @can_sleep: we are in a sleepable context
*
@ -1047,24 +1047,24 @@ EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow);
* It returns a valid dst pointer on success, or a pointer encoded
* error code.
*/
struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi *fl,
struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool can_sleep)
{
struct dst_entry *dst = sk_dst_check(sk, inet6_sk(sk)->dst_cookie);
int err;
dst = ip6_sk_dst_check(sk, dst, fl);
dst = ip6_sk_dst_check(sk, dst, fl6);
err = ip6_dst_lookup_tail(sk, &dst, fl);
err = ip6_dst_lookup_tail(sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
ipv6_addr_copy(&fl->fl6_dst, final_dst);
ipv6_addr_copy(&fl6->daddr, final_dst);
if (can_sleep)
fl->flowi_flags |= FLOWI_FLAG_CAN_SLEEP;
fl6->flowi6_flags |= FLOWI_FLAG_CAN_SLEEP;
return xfrm_lookup(sock_net(sk), dst, fl, sk, 0);
return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
}
EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow);
@ -1145,7 +1145,7 @@ static inline struct ipv6_rt_hdr *ip6_rthdr_dup(struct ipv6_rt_hdr *src,
int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
int offset, int len, int odd, struct sk_buff *skb),
void *from, int length, int transhdrlen,
int hlimit, int tclass, struct ipv6_txoptions *opt, struct flowi *fl,
int hlimit, int tclass, struct ipv6_txoptions *opt, struct flowi6 *fl6,
struct rt6_info *rt, unsigned int flags, int dontfrag)
{
struct inet_sock *inet = inet_sk(sk);
@ -1203,7 +1203,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
}
dst_hold(&rt->dst);
inet->cork.dst = &rt->dst;
inet->cork.fl = *fl;
inet->cork.fl.u.ip6 = *fl6;
np->cork.hop_limit = hlimit;
np->cork.tclass = tclass;
mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
@ -1224,7 +1224,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
transhdrlen += exthdrlen;
} else {
rt = (struct rt6_info *)inet->cork.dst;
fl = &inet->cork.fl;
fl6 = &inet->cork.fl.u.ip6;
opt = np->cork.opt;
transhdrlen = 0;
exthdrlen = 0;
@ -1239,7 +1239,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
if (mtu <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) {
if (inet->cork.length + length > sizeof(struct ipv6hdr) + IPV6_MAXPLEN - fragheaderlen) {
ipv6_local_error(sk, EMSGSIZE, fl, mtu-exthdrlen);
ipv6_local_error(sk, EMSGSIZE, fl6, mtu-exthdrlen);
return -EMSGSIZE;
}
}
@ -1271,7 +1271,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
if (length > mtu) {
int proto = sk->sk_protocol;
if (dontfrag && (proto == IPPROTO_UDP || proto == IPPROTO_RAW)){
ipv6_local_rxpmtu(sk, fl, mtu-exthdrlen);
ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen);
return -EMSGSIZE;
}
@ -1516,8 +1516,8 @@ int ip6_push_pending_frames(struct sock *sk)
struct ipv6hdr *hdr;
struct ipv6_txoptions *opt = np->cork.opt;
struct rt6_info *rt = (struct rt6_info *)inet->cork.dst;
struct flowi *fl = &inet->cork.fl;
unsigned char proto = fl->flowi_proto;
struct flowi6 *fl6 = &inet->cork.fl.u.ip6;
unsigned char proto = fl6->flowi6_proto;
int err = 0;
if ((skb = __skb_dequeue(&sk->sk_write_queue)) == NULL)
@ -1542,7 +1542,7 @@ int ip6_push_pending_frames(struct sock *sk)
if (np->pmtudisc < IPV6_PMTUDISC_DO)
skb->local_df = 1;
ipv6_addr_copy(final_dst, &fl->fl6_dst);
ipv6_addr_copy(final_dst, &fl6->daddr);
__skb_pull(skb, skb_network_header_len(skb));
if (opt && opt->opt_flen)
ipv6_push_frag_opts(skb, opt, &proto);
@ -1553,12 +1553,12 @@ int ip6_push_pending_frames(struct sock *sk)
skb_reset_network_header(skb);
hdr = ipv6_hdr(skb);
*(__be32*)hdr = fl->fl6_flowlabel |
*(__be32*)hdr = fl6->flowlabel |
htonl(0x60000000 | ((int)np->cork.tclass << 20));
hdr->hop_limit = np->cork.hop_limit;
hdr->nexthdr = proto;
ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
ipv6_addr_copy(&hdr->saddr, &fl6->saddr);
ipv6_addr_copy(&hdr->daddr, final_dst);
skb->priority = sk->sk_priority;

50
net/ipv6/ip6_tunnel.c
View file

@ -884,7 +884,7 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
static int ip6_tnl_xmit2(struct sk_buff *skb,
struct net_device *dev,
__u8 dsfield,
struct flowi *fl,
struct flowi6 *fl6,
int encap_limit,
__u32 *pmtu)
{
@ -904,11 +904,11 @@ 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(net, NULL, fl);
dst = ip6_route_output(net, NULL, fl6);
if (dst->error)
goto tx_err_link_failure;
dst = xfrm_lookup(net, dst, fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(fl6), NULL, 0);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
@ -963,7 +963,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
skb->transport_header = skb->network_header;
proto = fl->flowi_proto;
proto = fl6->flowi6_proto;
if (encap_limit >= 0) {
init_tel_txopt(&opt, encap_limit);
ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL);
@ -971,13 +971,13 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);
*(__be32*)ipv6h = fl->fl6_flowlabel | htonl(0x60000000);
*(__be32*)ipv6h = fl6->flowlabel | htonl(0x60000000);
dsfield = INET_ECN_encapsulate(0, dsfield);
ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
ipv6h->hop_limit = t->parms.hop_limit;
ipv6h->nexthdr = proto;
ipv6_addr_copy(&ipv6h->saddr, &fl->fl6_src);
ipv6_addr_copy(&ipv6h->daddr, &fl->fl6_dst);
ipv6_addr_copy(&ipv6h->saddr, &fl6->saddr);
ipv6_addr_copy(&ipv6h->daddr, &fl6->daddr);
nf_reset(skb);
pkt_len = skb->len;
err = ip6_local_out(skb);
@ -1007,7 +1007,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
struct ip6_tnl *t = netdev_priv(dev);
struct iphdr *iph = ip_hdr(skb);
int encap_limit = -1;
struct flowi fl;
struct flowi6 fl6;
__u8 dsfield;
__u32 mtu;
int err;
@ -1019,16 +1019,16 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
encap_limit = t->parms.encap_limit;
memcpy(&fl, &t->fl, sizeof (fl));
fl.flowi_proto = IPPROTO_IPIP;
memcpy(&fl6, &t->fl.u.ip6, sizeof (fl6));
fl6.flowi6_proto = IPPROTO_IPIP;
dsfield = ipv4_get_dsfield(iph);
if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS))
fl.fl6_flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
fl6.flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
& IPV6_TCLASS_MASK;
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
if (err != 0) {
/* XXX: send ICMP error even if DF is not set. */
if (err == -EMSGSIZE)
@ -1047,7 +1047,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
int encap_limit = -1;
__u16 offset;
struct flowi fl;
struct flowi6 fl6;
__u8 dsfield;
__u32 mtu;
int err;
@ -1069,16 +1069,16 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
} else if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
encap_limit = t->parms.encap_limit;
memcpy(&fl, &t->fl, sizeof (fl));
fl.flowi_proto = IPPROTO_IPV6;
memcpy(&fl6, &t->fl.u.ip6, sizeof (fl6));
fl6.flowi6_proto = IPPROTO_IPV6;
dsfield = ipv6_get_dsfield(ipv6h);
if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS))
fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
if ((t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL))
fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
if (err != 0) {
if (err == -EMSGSIZE)
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
@ -1141,21 +1141,21 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
{
struct net_device *dev = t->dev;
struct ip6_tnl_parm *p = &t->parms;
struct flowi *fl = &t->fl;
struct flowi6 *fl6 = &t->fl.u.ip6;
memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
/* Set up flowi template */
ipv6_addr_copy(&fl->fl6_src, &p->laddr);
ipv6_addr_copy(&fl->fl6_dst, &p->raddr);
fl->flowi_oif = p->link;
fl->fl6_flowlabel = 0;
ipv6_addr_copy(&fl6->saddr, &p->laddr);
ipv6_addr_copy(&fl6->daddr, &p->raddr);
fl6->flowi6_oif = p->link;
fl6->flowlabel = 0;
if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS))
fl->fl6_flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
if (!(p->flags&IP6_TNL_F_USE_ORIG_FLOWLABEL))
fl->fl6_flowlabel |= IPV6_FLOWLABEL_MASK & p->flowinfo;
fl6->flowlabel |= IPV6_FLOWLABEL_MASK & p->flowinfo;
ip6_tnl_set_cap(t);

53
net/ipv6/ip6mr.c
View file

@ -135,14 +135,15 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id)
return NULL;
}
static int ip6mr_fib_lookup(struct net *net, struct flowi *flp,
static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6,
struct mr6_table **mrt)
{
struct ip6mr_result res;
struct fib_lookup_arg arg = { .result = &res, };
int err;
err = fib_rules_lookup(net->ipv6.mr6_rules_ops, flp, 0, &arg);
err = fib_rules_lookup(net->ipv6.mr6_rules_ops,
flowi6_to_flowi(flp6), 0, &arg);
if (err < 0)
return err;
*mrt = res.mrt;
@ -270,7 +271,7 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id)
return net->ipv6.mrt6;
}
static int ip6mr_fib_lookup(struct net *net, struct flowi *flp,
static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6,
struct mr6_table **mrt)
{
*mrt = net->ipv6.mrt6;
@ -617,9 +618,9 @@ static int pim6_rcv(struct sk_buff *skb)
struct net_device *reg_dev = NULL;
struct net *net = dev_net(skb->dev);
struct mr6_table *mrt;
struct flowi fl = {
.flowi_iif = skb->dev->ifindex,
.flowi_mark = skb->mark,
struct flowi6 fl6 = {
.flowi6_iif = skb->dev->ifindex,
.flowi6_mark = skb->mark,
};
int reg_vif_num;
@ -644,7 +645,7 @@ static int pim6_rcv(struct sk_buff *skb)
ntohs(encap->payload_len) + sizeof(*pim) > skb->len)
goto drop;
if (ip6mr_fib_lookup(net, &fl, &mrt) < 0)
if (ip6mr_fib_lookup(net, &fl6, &mrt) < 0)
goto drop;
reg_vif_num = mrt->mroute_reg_vif_num;
@ -687,14 +688,14 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
{
struct net *net = dev_net(dev);
struct mr6_table *mrt;
struct flowi fl = {
.flowi_oif = dev->ifindex,
.flowi_iif = skb->skb_iif,
.flowi_mark = skb->mark,
struct flowi6 fl6 = {
.flowi6_oif = dev->ifindex,
.flowi6_iif = skb->skb_iif,
.flowi6_mark = skb->mark,
};
int err;
err = ip6mr_fib_lookup(net, &fl, &mrt);
err = ip6mr_fib_lookup(net, &fl6, &mrt);
if (err < 0)
return err;
@ -1547,13 +1548,13 @@ int ip6mr_sk_done(struct sock *sk)
struct sock *mroute6_socket(struct net *net, struct sk_buff *skb)
{
struct mr6_table *mrt;
struct flowi fl = {
.flowi_iif = skb->skb_iif,
.flowi_oif = skb->dev->ifindex,
.flowi_mark= skb->mark,
struct flowi6 fl6 = {
.flowi6_iif = skb->skb_iif,
.flowi6_oif = skb->dev->ifindex,
.flowi6_mark = skb->mark,
};
if (ip6mr_fib_lookup(net, &fl, &mrt) < 0)
if (ip6mr_fib_lookup(net, &fl6, &mrt) < 0)
return NULL;
return mrt->mroute6_sk;
@ -1897,7 +1898,7 @@ static int ip6mr_forward2(struct net *net, struct mr6_table *mrt,
struct mif_device *vif = &mrt->vif6_table[vifi];
struct net_device *dev;
struct dst_entry *dst;
struct flowi fl;
struct flowi6 fl6;
if (vif->dev == NULL)
goto out_free;
@ -1915,12 +1916,12 @@ static int ip6mr_forward2(struct net *net, struct mr6_table *mrt,
ipv6h = ipv6_hdr(skb);
fl = (struct flowi) {
.flowi_oif = vif->link,
.fl6_dst = ipv6h->daddr,
fl6 = (struct flowi6) {
.flowi6_oif = vif->link,
.daddr = ipv6h->daddr,
};
dst = ip6_route_output(net, NULL, &fl);
dst = ip6_route_output(net, NULL, &fl6);
if (!dst)
goto out_free;
@ -2043,13 +2044,13 @@ int ip6_mr_input(struct sk_buff *skb)
struct mfc6_cache *cache;
struct net *net = dev_net(skb->dev);
struct mr6_table *mrt;
struct flowi fl = {
.flowi_iif = skb->dev->ifindex,
.flowi_mark= skb->mark,
struct flowi6 fl6 = {
.flowi6_iif = skb->dev->ifindex,
.flowi6_mark = skb->mark,
};
int err;
err = ip6mr_fib_lookup(net, &fl, &mrt);
err = ip6mr_fib_lookup(net, &fl6, &mrt);
if (err < 0)
return err;

10
net/ipv6/ipv6_sockglue.c
View file

@ -444,12 +444,12 @@ sticky_done:
{
struct ipv6_txoptions *opt = NULL;
struct msghdr msg;
struct flowi fl;
struct flowi6 fl6;
int junk;
fl.fl6_flowlabel = 0;
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
if (optlen == 0)
goto update;
@ -475,7 +475,7 @@ sticky_done:
msg.msg_controllen = optlen;
msg.msg_control = (void*)(opt+1);
retv = datagram_send_ctl(net, &msg, &fl, opt, &junk, &junk,
retv = datagram_send_ctl(net, &msg, &fl6, opt, &junk, &junk,
&junk);
if (retv)
goto done;

12
net/ipv6/mcast.c
View file

@ -1396,7 +1396,7 @@ static void mld_sendpack(struct sk_buff *skb)
struct inet6_dev *idev;
struct net *net = dev_net(skb->dev);
int err;
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
rcu_read_lock();
@ -1419,11 +1419,11 @@ static void mld_sendpack(struct sk_buff *skb)
goto err_out;
}
icmpv6_flow_init(net->ipv6.igmp_sk, &fl, ICMPV6_MLD2_REPORT,
icmpv6_flow_init(net->ipv6.igmp_sk, &fl6, ICMPV6_MLD2_REPORT,
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
dst = xfrm_lookup(net, dst, &fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
err = 0;
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
@ -1731,7 +1731,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
IPV6_TLV_PADN, 0 };
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
if (type == ICMPV6_MGM_REDUCTION)
@ -1791,11 +1791,11 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
goto err_out;
}
icmpv6_flow_init(sk, &fl, type,
icmpv6_flow_init(sk, &fl6, type,
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
dst = xfrm_lookup(net, dst, &fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto err_out;

13
net/ipv6/mip6.c
View file

@ -208,14 +208,15 @@ static int mip6_destopt_reject(struct xfrm_state *x, struct sk_buff *skb,
{
struct net *net = xs_net(x);
struct inet6_skb_parm *opt = (struct inet6_skb_parm *)skb->cb;
const struct flowi6 *fl6 = &fl->u.ip6;
struct ipv6_destopt_hao *hao = NULL;
struct xfrm_selector sel;
int offset;
struct timeval stamp;
int err = 0;
if (unlikely(fl->flowi_proto == IPPROTO_MH &&
fl->fl6_mh_type <= IP6_MH_TYPE_MAX))
if (unlikely(fl6->flowi6_proto == IPPROTO_MH &&
fl6->uli.mht.type <= IP6_MH_TYPE_MAX))
goto out;
if (likely(opt->dsthao)) {
@ -240,14 +241,14 @@ static int mip6_destopt_reject(struct xfrm_state *x, struct sk_buff *skb,
sizeof(sel.saddr));
sel.prefixlen_s = 128;
sel.family = AF_INET6;
sel.proto = fl->flowi_proto;
sel.dport = xfrm_flowi_dport(fl, &fl->u.ip6.uli);
sel.proto = fl6->flowi6_proto;
sel.dport = xfrm_flowi_dport(fl, &fl6->uli);
if (sel.dport)
sel.dport_mask = htons(~0);
sel.sport = xfrm_flowi_sport(fl, &fl->u.ip6.uli);
sel.sport = xfrm_flowi_sport(fl, &fl6->uli);
if (sel.sport)
sel.sport_mask = htons(~0);
sel.ifindex = fl->flowi_oif;
sel.ifindex = fl6->flowi6_oif;
err = km_report(net, IPPROTO_DSTOPTS, &sel,
(hao ? (xfrm_address_t *)&hao->addr : NULL));

14
net/ipv6/ndisc.c
View file

@ -511,7 +511,7 @@ void ndisc_send_skb(struct sk_buff *skb,
const struct in6_addr *saddr,
struct icmp6hdr *icmp6h)
{
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
struct net *net = dev_net(dev);
struct sock *sk = net->ipv6.ndisc_sk;
@ -521,7 +521,7 @@ void ndisc_send_skb(struct sk_buff *skb,
type = icmp6h->icmp6_type;
icmpv6_flow_init(sk, &fl, type, saddr, daddr, dev->ifindex);
icmpv6_flow_init(sk, &fl6, type, saddr, daddr, dev->ifindex);
dst = icmp6_dst_alloc(dev, neigh, daddr);
if (!dst) {
@ -529,7 +529,7 @@ void ndisc_send_skb(struct sk_buff *skb,
return;
}
dst = xfrm_lookup(net, dst, &fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
if (IS_ERR(dst)) {
kfree_skb(skb);
return;
@ -1515,7 +1515,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
struct rt6_info *rt;
struct dst_entry *dst;
struct inet6_dev *idev;
struct flowi fl;
struct flowi6 fl6;
u8 *opt;
int rd_len;
int err;
@ -1535,14 +1535,14 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
return;
}
icmpv6_flow_init(sk, &fl, NDISC_REDIRECT,
icmpv6_flow_init(sk, &fl6, NDISC_REDIRECT,
&saddr_buf, &ipv6_hdr(skb)->saddr, dev->ifindex);
dst = ip6_route_output(net, NULL, &fl);
dst = ip6_route_output(net, NULL, &fl6);
if (dst == NULL)
return;
dst = xfrm_lookup(net, dst, &fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
if (IS_ERR(dst))
return;

18
net/ipv6/netfilter.c
View file

@ -15,14 +15,14 @@ int ip6_route_me_harder(struct sk_buff *skb)
struct net *net = dev_net(skb_dst(skb)->dev);
struct ipv6hdr *iph = ipv6_hdr(skb);
struct dst_entry *dst;
struct flowi fl = {
.flowi_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0,
.flowi_mark = skb->mark,
.fl6_dst = iph->daddr,
.fl6_src = iph->saddr,
struct flowi6 fl6 = {
.flowi6_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0,
.flowi6_mark = skb->mark,
.daddr = iph->daddr,
.saddr = iph->saddr,
};
dst = ip6_route_output(net, skb->sk, &fl);
dst = ip6_route_output(net, skb->sk, &fl6);
if (dst->error) {
IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
@ -37,9 +37,9 @@ 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) {
xfrm_decode_session(skb, flowi6_to_flowi(&fl6), AF_INET6) == 0) {
skb_dst_set(skb, NULL);
dst = xfrm_lookup(net, dst, &fl, skb->sk, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), skb->sk, 0);
if (IS_ERR(dst))
return -1;
skb_dst_set(skb, dst);
@ -92,7 +92,7 @@ static int nf_ip6_reroute(struct sk_buff *skb,
static int nf_ip6_route(struct dst_entry **dst, struct flowi *fl)
{
*dst = ip6_route_output(&init_net, NULL, fl);
*dst = ip6_route_output(&init_net, NULL, &fl->u.ip6);
return (*dst)->error;
}

20
net/ipv6/netfilter/ip6t_REJECT.c
View file

@ -47,7 +47,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
struct ipv6hdr *ip6h;
struct dst_entry *dst = NULL;
u8 proto;
struct flowi fl;
struct flowi6 fl6;
if ((!(ipv6_addr_type(&oip6h->saddr) & IPV6_ADDR_UNICAST)) ||
(!(ipv6_addr_type(&oip6h->daddr) & IPV6_ADDR_UNICAST))) {
@ -89,19 +89,19 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
return;
}
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_src, &oip6h->daddr);
ipv6_addr_copy(&fl.fl6_dst, &oip6h->saddr);
fl.fl6_sport = otcph.dest;
fl.fl6_dport = otcph.source;
security_skb_classify_flow(oldskb, &fl);
dst = ip6_route_output(net, NULL, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl6.saddr, &oip6h->daddr);
ipv6_addr_copy(&fl6.daddr, &oip6h->saddr);
fl6.uli.ports.sport = otcph.dest;
fl6.uli.ports.dport = otcph.source;
security_skb_classify_flow(oldskb, flowi6_to_flowi(&fl6));
dst = ip6_route_output(net, NULL, &fl6);
if (dst == NULL || dst->error) {
dst_release(dst);
return;
}
dst = xfrm_lookup(net, dst, &fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
if (IS_ERR(dst))
return;

79
net/ipv6/raw.c
View file

@ -524,7 +524,7 @@ csum_copy_err:
goto out;
}
static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
struct raw6_sock *rp)
{
struct sk_buff *skb;
@ -586,11 +586,10 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
if (unlikely(csum))
tmp_csum = csum_sub(tmp_csum, csum_unfold(csum));
csum = csum_ipv6_magic(&fl->fl6_src,
&fl->fl6_dst,
total_len, fl->flowi_proto, tmp_csum);
csum = csum_ipv6_magic(&fl6->saddr, &fl6->daddr,
total_len, fl6->flowi6_proto, tmp_csum);
if (csum == 0 && fl->flowi_proto == IPPROTO_UDP)
if (csum == 0 && fl6->flowi6_proto == IPPROTO_UDP)
csum = CSUM_MANGLED_0;
if (skb_store_bits(skb, offset, &csum, 2))
@ -603,7 +602,7 @@ out:
}
static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
struct flowi *fl, struct dst_entry **dstp,
struct flowi6 *fl6, struct dst_entry **dstp,
unsigned int flags)
{
struct ipv6_pinfo *np = inet6_sk(sk);
@ -613,7 +612,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
struct rt6_info *rt = (struct rt6_info *)*dstp;
if (length > rt->dst.dev->mtu) {
ipv6_local_error(sk, EMSGSIZE, fl, rt->dst.dev->mtu);
ipv6_local_error(sk, EMSGSIZE, fl6, rt->dst.dev->mtu);
return -EMSGSIZE;
}
if (flags&MSG_PROBE)
@ -662,7 +661,7 @@ error:
return err;
}
static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
static int rawv6_probe_proto_opt(struct flowi6 *fl6, struct msghdr *msg)
{
struct iovec *iov;
u8 __user *type = NULL;
@ -679,7 +678,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
if (!iov)
continue;
switch (fl->flowi_proto) {
switch (fl6->flowi6_proto) {
case IPPROTO_ICMPV6:
/* check if one-byte field is readable or not. */
if (iov->iov_base && iov->iov_len < 1)
@ -694,8 +693,8 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
code = iov->iov_base;
if (type && code) {
if (get_user(fl->fl6_icmp_type, type) ||
get_user(fl->fl6_icmp_code, code))
if (get_user(fl6->uli.icmpt.type, type) ||
get_user(fl6->uli.icmpt.code, code))
return -EFAULT;
probed = 1;
}
@ -706,7 +705,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
/* check if type field is readable or not. */
if (iov->iov_len > 2 - len) {
u8 __user *p = iov->iov_base;
if (get_user(fl->fl6_mh_type, &p[2 - len]))
if (get_user(fl6->uli.mht.type, &p[2 - len]))
return -EFAULT;
probed = 1;
} else
@ -735,7 +734,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
struct ipv6_txoptions *opt = NULL;
struct ip6_flowlabel *flowlabel = NULL;
struct dst_entry *dst = NULL;
struct flowi fl;
struct flowi6 fl6;
int addr_len = msg->msg_namelen;
int hlimit = -1;
int tclass = -1;
@ -756,9 +755,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
/*
* Get and verify the address.
*/
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
fl.flowi_mark = sk->sk_mark;
fl6.flowi6_mark = sk->sk_mark;
if (sin6) {
if (addr_len < SIN6_LEN_RFC2133)
@ -780,9 +779,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
daddr = &sin6->sin6_addr;
if (np->sndflow) {
fl.fl6_flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
daddr = &flowlabel->dst;
@ -800,32 +799,32 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
if (addr_len >= sizeof(struct sockaddr_in6) &&
sin6->sin6_scope_id &&
ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL)
fl.flowi_oif = sin6->sin6_scope_id;
fl6.flowi6_oif = sin6->sin6_scope_id;
} else {
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
proto = inet->inet_num;
daddr = &np->daddr;
fl.fl6_flowlabel = np->flow_label;
fl6.flowlabel = np->flow_label;
}
if (fl.flowi_oif == 0)
fl.flowi_oif = sk->sk_bound_dev_if;
if (fl6.flowi6_oif == 0)
fl6.flowi6_oif = sk->sk_bound_dev_if;
if (msg->msg_controllen) {
opt = &opt_space;
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit,
err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit,
&tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
}
if ((fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
}
@ -838,31 +837,31 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
opt = fl6_merge_options(&opt_space, flowlabel, opt);
opt = ipv6_fixup_options(&opt_space, opt);
fl.flowi_proto = proto;
err = rawv6_probe_proto_opt(&fl, msg);
fl6.flowi6_proto = proto;
err = rawv6_probe_proto_opt(&fl6, msg);
if (err)
goto out;
if (!ipv6_addr_any(daddr))
ipv6_addr_copy(&fl.fl6_dst, daddr);
ipv6_addr_copy(&fl6.daddr, daddr);
else
fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl6.saddr, &np->saddr);
final_p = fl6_update_dst(&fl, opt, &final);
final_p = fl6_update_dst(&fl6, opt, &final);
if (!fl.flowi_oif && ipv6_addr_is_multicast(&fl.fl6_dst))
fl.flowi_oif = np->mcast_oif;
security_sk_classify_flow(sk, &fl);
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, final_p, true);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
}
if (hlimit < 0) {
if (ipv6_addr_is_multicast(&fl.fl6_dst))
if (ipv6_addr_is_multicast(&fl6.daddr))
hlimit = np->mcast_hops;
else
hlimit = np->hop_limit;
@ -881,17 +880,17 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
back_from_confirm:
if (inet->hdrincl)
err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, &dst, msg->msg_flags);
err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl6, &dst, msg->msg_flags);
else {
lock_sock(sk);
err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov,
len, 0, hlimit, tclass, opt, &fl, (struct rt6_info*)dst,
len, 0, hlimit, tclass, opt, &fl6, (struct rt6_info*)dst,
msg->msg_flags, dontfrag);
if (err)
ip6_flush_pending_frames(sk);
else if (!(msg->msg_flags & MSG_MORE))
err = rawv6_push_pending_frames(sk, &fl, rp);
err = rawv6_push_pending_frames(sk, &fl6, rp);
release_sock(sk);
}
done:

96
net/ipv6/route.c
View file

@ -599,17 +599,17 @@ do { \
static struct rt6_info *ip6_pol_route_lookup(struct net *net,
struct fib6_table *table,
struct flowi *fl, int flags)
struct flowi6 *fl6, int flags)
{
struct fib6_node *fn;
struct rt6_info *rt;
read_lock_bh(&table->tb6_lock);
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
restart:
rt = fn->leaf;
rt = rt6_device_match(net, rt, &fl->fl6_src, fl->flowi_oif, flags);
BACKTRACK(net, &fl->fl6_src);
rt = rt6_device_match(net, rt, &fl6->saddr, fl6->flowi6_oif, flags);
BACKTRACK(net, &fl6->saddr);
out:
dst_use(&rt->dst, jiffies);
read_unlock_bh(&table->tb6_lock);
@ -620,19 +620,19 @@ out:
struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
const struct in6_addr *saddr, int oif, int strict)
{
struct flowi fl = {
.flowi_oif = oif,
.fl6_dst = *daddr,
struct flowi6 fl6 = {
.flowi6_oif = oif,
.daddr = *daddr,
};
struct dst_entry *dst;
int flags = strict ? RT6_LOOKUP_F_IFACE : 0;
if (saddr) {
memcpy(&fl.fl6_src, saddr, sizeof(*saddr));
memcpy(&fl6.saddr, saddr, sizeof(*saddr));
flags |= RT6_LOOKUP_F_HAS_SADDR;
}
dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_lookup);
dst = fib6_rule_lookup(net, &fl6, flags, ip6_pol_route_lookup);
if (dst->error == 0)
return (struct rt6_info *) dst;
@ -753,7 +753,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct in6_addr *d
}
static struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, int oif,
struct flowi *fl, int flags)
struct flowi6 *fl6, int flags)
{
struct fib6_node *fn;
struct rt6_info *rt, *nrt;
@ -768,12 +768,12 @@ relookup:
read_lock_bh(&table->tb6_lock);
restart_2:
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
restart:
rt = rt6_select(fn, oif, strict | reachable);
BACKTRACK(net, &fl->fl6_src);
BACKTRACK(net, &fl6->saddr);
if (rt == net->ipv6.ip6_null_entry ||
rt->rt6i_flags & RTF_CACHE)
goto out;
@ -782,9 +782,9 @@ restart:
read_unlock_bh(&table->tb6_lock);
if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, &fl->fl6_dst, &fl->fl6_src);
nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
else if (!(rt->dst.flags & DST_HOST))
nrt = rt6_alloc_clone(rt, &fl->fl6_dst);
nrt = rt6_alloc_clone(rt, &fl6->daddr);
else
goto out2;
@ -823,9 +823,9 @@ out2:
}
static struct rt6_info *ip6_pol_route_input(struct net *net, struct fib6_table *table,
struct flowi *fl, int flags)
struct flowi6 *fl6, int flags)
{
return ip6_pol_route(net, table, fl->flowi_iif, fl, flags);
return ip6_pol_route(net, table, fl6->flowi6_iif, fl6, flags);
}
void ip6_route_input(struct sk_buff *skb)
@ -833,41 +833,41 @@ void ip6_route_input(struct sk_buff *skb)
struct ipv6hdr *iph = ipv6_hdr(skb);
struct net *net = dev_net(skb->dev);
int flags = RT6_LOOKUP_F_HAS_SADDR;
struct flowi fl = {
.flowi_iif = skb->dev->ifindex,
.fl6_dst = iph->daddr,
.fl6_src = iph->saddr,
.fl6_flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
.flowi_mark = skb->mark,
.flowi_proto = iph->nexthdr,
struct flowi6 fl6 = {
.flowi6_iif = skb->dev->ifindex,
.daddr = iph->daddr,
.saddr = iph->saddr,
.flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
.flowi6_mark = skb->mark,
.flowi6_proto = iph->nexthdr,
};
if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
flags |= RT6_LOOKUP_F_IFACE;
skb_dst_set(skb, fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input));
skb_dst_set(skb, fib6_rule_lookup(net, &fl6, flags, ip6_pol_route_input));
}
static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table *table,
struct flowi *fl, int flags)
struct flowi6 *fl6, int flags)
{
return ip6_pol_route(net, table, fl->flowi_oif, fl, flags);
return ip6_pol_route(net, table, fl6->flowi6_oif, fl6, flags);
}
struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
struct flowi *fl)
struct flowi6 *fl6)
{
int flags = 0;
if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl->fl6_dst))
if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
flags |= RT6_LOOKUP_F_IFACE;
if (!ipv6_addr_any(&fl->fl6_src))
if (!ipv6_addr_any(&fl6->saddr))
flags |= RT6_LOOKUP_F_HAS_SADDR;
else if (sk)
flags |= rt6_srcprefs2flags(inet6_sk(sk)->srcprefs);
return fib6_rule_lookup(net, fl, flags, ip6_pol_route_output);
return fib6_rule_lookup(net, fl6, flags, ip6_pol_route_output);
}
EXPORT_SYMBOL(ip6_route_output);
@ -1444,16 +1444,16 @@ static int ip6_route_del(struct fib6_config *cfg)
* Handle redirects
*/
struct ip6rd_flowi {
struct flowi fl;
struct flowi6 fl6;
struct in6_addr gateway;
};
static struct rt6_info *__ip6_route_redirect(struct net *net,
struct fib6_table *table,
struct flowi *fl,
struct flowi6 *fl6,
int flags)
{
struct ip6rd_flowi *rdfl = (struct ip6rd_flowi *)fl;
struct ip6rd_flowi *rdfl = (struct ip6rd_flowi *)fl6;
struct rt6_info *rt;
struct fib6_node *fn;
@ -1469,7 +1469,7 @@ static struct rt6_info *__ip6_route_redirect(struct net *net,
*/
read_lock_bh(&table->tb6_lock);
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
restart:
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
/*
@ -1484,7 +1484,7 @@ restart:
continue;
if (!(rt->rt6i_flags & RTF_GATEWAY))
continue;
if (fl->flowi_oif != rt->rt6i_dev->ifindex)
if (fl6->flowi6_oif != rt->rt6i_dev->ifindex)
continue;
if (!ipv6_addr_equal(&rdfl->gateway, &rt->rt6i_gateway))
continue;
@ -1493,7 +1493,7 @@ restart:
if (!rt)
rt = net->ipv6.ip6_null_entry;
BACKTRACK(net, &fl->fl6_src);
BACKTRACK(net, &fl6->saddr);
out:
dst_hold(&rt->dst);
@ -1510,10 +1510,10 @@ static struct rt6_info *ip6_route_redirect(struct in6_addr *dest,
int flags = RT6_LOOKUP_F_HAS_SADDR;
struct net *net = dev_net(dev);
struct ip6rd_flowi rdfl = {
.fl = {
.flowi_oif = dev->ifindex,
.fl6_dst = *dest,
.fl6_src = *src,
.fl6 = {
.flowi6_oif = dev->ifindex,
.daddr = *dest,
.saddr = *src,
},
};
@ -1522,7 +1522,7 @@ static struct rt6_info *ip6_route_redirect(struct in6_addr *dest,
if (rt6_need_strict(dest))
flags |= RT6_LOOKUP_F_IFACE;
return (struct rt6_info *)fib6_rule_lookup(net, (struct flowi *)&rdfl,
return (struct rt6_info *)fib6_rule_lookup(net, &rdfl.fl6,
flags, __ip6_route_redirect);
}
@ -2385,7 +2385,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
struct rt6_info *rt;
struct sk_buff *skb;
struct rtmsg *rtm;
struct flowi fl;
struct flowi6 fl6;
int err, iif = 0;
err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy);
@ -2393,27 +2393,27 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
goto errout;
err = -EINVAL;
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
if (tb[RTA_SRC]) {
if (nla_len(tb[RTA_SRC]) < sizeof(struct in6_addr))
goto errout;
ipv6_addr_copy(&fl.fl6_src, nla_data(tb[RTA_SRC]));
ipv6_addr_copy(&fl6.saddr, nla_data(tb[RTA_SRC]));
}
if (tb[RTA_DST]) {
if (nla_len(tb[RTA_DST]) < sizeof(struct in6_addr))
goto errout;
ipv6_addr_copy(&fl.fl6_dst, nla_data(tb[RTA_DST]));
ipv6_addr_copy(&fl6.daddr, nla_data(tb[RTA_DST]));
}
if (tb[RTA_IIF])
iif = nla_get_u32(tb[RTA_IIF]);
if (tb[RTA_OIF])
fl.flowi_oif = nla_get_u32(tb[RTA_OIF]);
fl6.flowi6_oif = nla_get_u32(tb[RTA_OIF]);
if (iif) {
struct net_device *dev;
@ -2436,10 +2436,10 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
skb_reset_mac_header(skb);
skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr));
rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl);
rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl6);
skb_dst_set(skb, &rt->dst);
err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
err = rt6_fill_node(net, skb, rt, &fl6.daddr, &fl6.saddr, iif,
RTM_NEWROUTE, NETLINK_CB(in_skb).pid,
nlh->nlmsg_seq, 0, 0, 0);
if (err < 0) {

24
net/ipv6/syncookies.c
View file

@ -232,19 +232,19 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
*/
{
struct in6_addr *final_p, final;
struct flowi fl;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr);
final_p = fl6_update_dst(&fl, np->opt, &final);
ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = inet_rsk(req)->rmt_port;
fl.fl6_sport = inet_sk(sk)->inet_sport;
security_req_classify_flow(req, &fl);
struct flowi6 fl6;
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr);
final_p = fl6_update_dst(&fl6, np->opt, &final);
ipv6_addr_copy(&fl6.saddr, &ireq6->loc_addr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = inet_rsk(req)->rmt_port;
fl6.uli.ports.sport = inet_sk(sk)->inet_sport;
security_req_classify_flow(req, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst))
goto out_free;
}

112
net/ipv6/tcp_ipv6.c
View file

@ -131,7 +131,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
struct tcp_sock *tp = tcp_sk(sk);
struct in6_addr *saddr = NULL, *final_p, final;
struct rt6_info *rt;
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
int addr_type;
int err;
@ -142,14 +142,14 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (usin->sin6_family != AF_INET6)
return -EAFNOSUPPORT;
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
if (np->sndflow) {
fl.fl6_flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
IP6_ECN_flow_init(fl.fl6_flowlabel);
if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) {
fl6.flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
IP6_ECN_flow_init(fl6.flowlabel);
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
struct ip6_flowlabel *flowlabel;
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
@ -195,7 +195,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
}
ipv6_addr_copy(&np->daddr, &usin->sin6_addr);
np->flow_label = fl.fl6_flowlabel;
np->flow_label = fl6.flowlabel;
/*
* TCP over IPv4
@ -242,27 +242,27 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (!ipv6_addr_any(&np->rcv_saddr))
saddr = &np->rcv_saddr;
fl.flowi_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src,
fl6.flowi6_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr,
(saddr ? saddr : &np->saddr));
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = usin->sin6_port;
fl.fl6_sport = inet->inet_sport;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = usin->sin6_port;
fl6.uli.ports.sport = inet->inet_sport;
final_p = fl6_update_dst(&fl, np->opt, &final);
final_p = fl6_update_dst(&fl6, np->opt, &final);
security_sk_classify_flow(sk, &fl);
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, final_p, true);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
}
if (saddr == NULL) {
saddr = &fl.fl6_src;
saddr = &fl6.saddr;
ipv6_addr_copy(&np->rcv_saddr, saddr);
}
@ -389,23 +389,23 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (dst == NULL) {
struct inet_sock *inet = inet_sk(sk);
struct flowi fl;
struct flowi6 fl6;
/* BUGGG_FUTURE: Again, it is not clear how
to handle rthdr case. Ignore this complexity
for now.
*/
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.flowi_oif = sk->sk_bound_dev_if;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = inet->inet_dport;
fl.fl6_sport = inet->inet_sport;
security_skb_classify_flow(skb, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl6.daddr, &np->daddr);
ipv6_addr_copy(&fl6.saddr, &np->saddr);
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = inet->inet_dport;
fl6.uli.ports.sport = inet->inet_sport;
security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl, NULL, false);
dst = ip6_dst_lookup_flow(sk, &fl6, NULL, false);
if (IS_ERR(dst)) {
sk->sk_err_soft = -PTR_ERR(dst);
goto out;
@ -482,25 +482,25 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
struct sk_buff * skb;
struct ipv6_txoptions *opt = NULL;
struct in6_addr * final_p, final;
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
int err;
memset(&fl, 0, sizeof(fl));
fl.flowi_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
fl.fl6_flowlabel = 0;
fl.flowi_oif = treq->iif;
fl.flowi_mark = sk->sk_mark;
fl.fl6_dport = inet_rsk(req)->rmt_port;
fl.fl6_sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, &fl);
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
fl6.flowlabel = 0;
fl6.flowi6_oif = treq->iif;
fl6.flowi6_mark = sk->sk_mark;
fl6.uli.ports.dport = inet_rsk(req)->rmt_port;
fl6.uli.ports.sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, flowi6_to_flowi(&fl6));
opt = np->opt;
final_p = fl6_update_dst(&fl, opt, &final);
final_p = fl6_update_dst(&fl6, opt, &final);
dst = ip6_dst_lookup_flow(sk, &fl, final_p, false);
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto done;
@ -510,8 +510,8 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
if (skb) {
__tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
err = ip6_xmit(sk, skb, &fl, opt);
ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
err = ip6_xmit(sk, skb, &fl6, opt);
err = net_xmit_eval(err);
}
@ -992,7 +992,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
{
struct tcphdr *th = tcp_hdr(skb), *t1;
struct sk_buff *buff;
struct flowi fl;
struct flowi6 fl6;
struct net *net = dev_net(skb_dst(skb)->dev);
struct sock *ctl_sk = net->ipv6.tcp_sk;
unsigned int tot_len = sizeof(struct tcphdr);
@ -1046,29 +1046,29 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
}
#endif
memset(&fl, 0, sizeof(fl));
ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);
memset(&fl6, 0, sizeof(fl6));
ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->saddr);
ipv6_addr_copy(&fl6.saddr, &ipv6_hdr(skb)->daddr);
buff->ip_summed = CHECKSUM_PARTIAL;
buff->csum = 0;
__tcp_v6_send_check(buff, &fl.fl6_src, &fl.fl6_dst);
__tcp_v6_send_check(buff, &fl6.saddr, &fl6.daddr);
fl.flowi_proto = IPPROTO_TCP;
fl.flowi_oif = inet6_iif(skb);
fl.fl6_dport = t1->dest;
fl.fl6_sport = t1->source;
security_skb_classify_flow(skb, &fl);
fl6.flowi6_proto = IPPROTO_TCP;
fl6.flowi6_oif = inet6_iif(skb);
fl6.uli.ports.dport = t1->dest;
fl6.uli.ports.sport = t1->source;
security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
/* Pass a socket to ip6_dst_lookup either it is for RST
* Underlying function will use this to retrieve the network
* namespace
*/
dst = ip6_dst_lookup_flow(ctl_sk, &fl, NULL, false);
dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
if (!IS_ERR(dst)) {
skb_dst_set(buff, dst);
ip6_xmit(ctl_sk, buff, &fl, NULL);
ip6_xmit(ctl_sk, buff, &fl6, NULL);
TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
if (rst)
TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS);

76
net/ipv6/udp.c
View file

@ -886,7 +886,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
struct udphdr *uh;
struct udp_sock *up = udp_sk(sk);
struct inet_sock *inet = inet_sk(sk);
struct flowi *fl = &inet->cork.fl;
struct flowi6 *fl6 = &inet->cork.fl.u.ip6;
int err = 0;
int is_udplite = IS_UDPLITE(sk);
__wsum csum = 0;
@ -899,23 +899,23 @@ static int udp_v6_push_pending_frames(struct sock *sk)
* Create a UDP header
*/
uh = udp_hdr(skb);
uh->source = fl->fl6_sport;
uh->dest = fl->fl6_dport;
uh->source = fl6->uli.ports.sport;
uh->dest = fl6->uli.ports.dport;
uh->len = htons(up->len);
uh->check = 0;
if (is_udplite)
csum = udplite_csum_outgoing(sk, skb);
else if (skb->ip_summed == CHECKSUM_PARTIAL) { /* UDP hardware csum */
udp6_hwcsum_outgoing(sk, skb, &fl->fl6_src, &fl->fl6_dst,
udp6_hwcsum_outgoing(sk, skb, &fl6->saddr, &fl6->daddr,
up->len);
goto send;
} else
csum = udp_csum_outgoing(sk, skb);
/* add protocol-dependent pseudo-header */
uh->check = csum_ipv6_magic(&fl->fl6_src, &fl->fl6_dst,
up->len, fl->flowi_proto, csum);
uh->check = csum_ipv6_magic(&fl6->saddr, &fl6->daddr,
up->len, fl6->flowi6_proto, csum);
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
@ -947,7 +947,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
struct in6_addr *daddr, *final_p, final;
struct ipv6_txoptions *opt = NULL;
struct ip6_flowlabel *flowlabel = NULL;
struct flowi fl;
struct flowi6 fl6;
struct dst_entry *dst;
int addr_len = msg->msg_namelen;
int ulen = len;
@ -1030,19 +1030,19 @@ do_udp_sendmsg:
}
ulen += sizeof(struct udphdr);
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
if (sin6) {
if (sin6->sin6_port == 0)
return -EINVAL;
fl.fl6_dport = sin6->sin6_port;
fl6.uli.ports.dport = sin6->sin6_port;
daddr = &sin6->sin6_addr;
if (np->sndflow) {
fl.fl6_flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
daddr = &flowlabel->dst;
@ -1060,38 +1060,38 @@ do_udp_sendmsg:
if (addr_len >= sizeof(struct sockaddr_in6) &&
sin6->sin6_scope_id &&
ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL)
fl.flowi_oif = sin6->sin6_scope_id;
fl6.flowi6_oif = sin6->sin6_scope_id;
} else {
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
fl.fl6_dport = inet->inet_dport;
fl6.uli.ports.dport = inet->inet_dport;
daddr = &np->daddr;
fl.fl6_flowlabel = np->flow_label;
fl6.flowlabel = np->flow_label;
connected = 1;
}
if (!fl.flowi_oif)
fl.flowi_oif = sk->sk_bound_dev_if;
if (!fl6.flowi6_oif)
fl6.flowi6_oif = sk->sk_bound_dev_if;
if (!fl.flowi_oif)
fl.flowi_oif = np->sticky_pktinfo.ipi6_ifindex;
if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->sticky_pktinfo.ipi6_ifindex;
fl.flowi_mark = sk->sk_mark;
fl6.flowi6_mark = sk->sk_mark;
if (msg->msg_controllen) {
opt = &opt_space;
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit,
err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit,
&tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
}
if ((fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
}
@ -1105,27 +1105,27 @@ do_udp_sendmsg:
opt = fl6_merge_options(&opt_space, flowlabel, opt);
opt = ipv6_fixup_options(&opt_space, opt);
fl.flowi_proto = sk->sk_protocol;
fl6.flowi6_proto = sk->sk_protocol;
if (!ipv6_addr_any(daddr))
ipv6_addr_copy(&fl.fl6_dst, daddr);
ipv6_addr_copy(&fl6.daddr, daddr);
else
fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl6_sport = inet->inet_sport;
fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl6.saddr, &np->saddr);
fl6.uli.ports.sport = inet->inet_sport;
final_p = fl6_update_dst(&fl, opt, &final);
final_p = fl6_update_dst(&fl6, opt, &final);
if (final_p)
connected = 0;
if (!fl.flowi_oif && ipv6_addr_is_multicast(&fl.fl6_dst)) {
fl.flowi_oif = np->mcast_oif;
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) {
fl6.flowi6_oif = np->mcast_oif;
connected = 0;
}
security_sk_classify_flow(sk, &fl);
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
dst = ip6_sk_dst_lookup_flow(sk, &fl, final_p, true);
dst = ip6_sk_dst_lookup_flow(sk, &fl6, final_p, true);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
@ -1133,7 +1133,7 @@ do_udp_sendmsg:
}
if (hlimit < 0) {
if (ipv6_addr_is_multicast(&fl.fl6_dst))
if (ipv6_addr_is_multicast(&fl6.daddr))
hlimit = np->mcast_hops;
else
hlimit = np->hop_limit;
@ -1168,7 +1168,7 @@ do_append_data:
up->len += ulen;
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
err = ip6_append_data(sk, getfrag, msg->msg_iov, ulen,
sizeof(struct udphdr), hlimit, tclass, opt, &fl,
sizeof(struct udphdr), hlimit, tclass, opt, &fl6,
(struct rt6_info*)dst,
corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags, dontfrag);
if (err)
@ -1181,10 +1181,10 @@ do_append_data:
if (dst) {
if (connected) {
ip6_dst_store(sk, dst,
ipv6_addr_equal(&fl.fl6_dst, &np->daddr) ?
ipv6_addr_equal(&fl6.daddr, &np->daddr) ?
&np->daddr : NULL,
#ifdef CONFIG_IPV6_SUBTREES
ipv6_addr_equal(&fl.fl6_src, &np->saddr) ?
ipv6_addr_equal(&fl6.saddr, &np->saddr) ?
&np->saddr :
#endif
NULL);

3
net/ipv6/xfrm6_policy.c
View file

@ -39,8 +39,7 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos,
if (saddr)
memcpy(&fl6.saddr, saddr, sizeof(fl6.saddr));
dst = ip6_route_output(net, NULL,
flowi6_to_flowi(&fl6));
dst = ip6_route_output(net, NULL, &fl6);
err = dst->error;
if (dst->error) {

10
net/netfilter/ipvs/ip_vs_ctl.c
View file

@ -75,15 +75,13 @@ static int __ip_vs_addr_is_local_v6(struct net *net,
const struct in6_addr *addr)
{
struct rt6_info *rt;
struct flowi fl = {
.flowi_oif = 0,
.fl6_dst = *addr,
.fl6_src = { .s6_addr32 = {0, 0, 0, 0} },
struct flowi6 fl6 = {
.daddr = *addr,
};
rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl);
rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl6);
if (rt && rt->rt6i_dev && (rt->rt6i_dev->flags & IFF_LOOPBACK))
return 1;
return 1;
return 0;
}

14
net/netfilter/ipvs/ip_vs_xmit.c
View file

@ -198,27 +198,27 @@ __ip_vs_route_output_v6(struct net *net, struct in6_addr *daddr,
struct in6_addr *ret_saddr, int do_xfrm)
{
struct dst_entry *dst;
struct flowi fl = {
.fl6_dst = *daddr,
struct flowi6 fl6 = {
.daddr = *daddr,
};
dst = ip6_route_output(net, NULL, &fl);
dst = ip6_route_output(net, NULL, &fl6);
if (dst->error)
goto out_err;
if (!ret_saddr)
return dst;
if (ipv6_addr_any(&fl.fl6_src) &&
if (ipv6_addr_any(&fl6.saddr) &&
ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
&fl.fl6_dst, 0, &fl.fl6_src) < 0)
&fl6.daddr, 0, &fl6.saddr) < 0)
goto out_err;
if (do_xfrm) {
dst = xfrm_lookup(net, dst, &fl, NULL, 0);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
if (IS_ERR(dst)) {
dst = NULL;
goto out_err;
}
}
ipv6_addr_copy(ret_saddr, &fl.fl6_src);
ipv6_addr_copy(ret_saddr, &fl6.saddr);
return dst;
out_err:

12
net/netfilter/xt_TEE.c
View file

@ -143,18 +143,18 @@ tee_tg_route6(struct sk_buff *skb, const struct xt_tee_tginfo *info)
const struct ipv6hdr *iph = ipv6_hdr(skb);
struct net *net = pick_net(skb);
struct dst_entry *dst;
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
if (info->priv) {
if (info->priv->oif == -1)
return false;
fl.flowi_oif = info->priv->oif;
fl6.flowi6_oif = info->priv->oif;
}
fl.fl6_dst = info->gw.in6;
fl.fl6_flowlabel = ((iph->flow_lbl[0] & 0xF) << 16) |
fl6.daddr = info->gw.in6;
fl6.flowlabel = ((iph->flow_lbl[0] & 0xF) << 16) |
(iph->flow_lbl[1] << 8) | iph->flow_lbl[2];
dst = ip6_route_output(net, NULL, &fl);
dst = ip6_route_output(net, NULL, &fl6);
if (dst == NULL)
return false;

42
net/sctp/ipv6.c
View file

@ -201,40 +201,40 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
{
struct sock *sk = skb->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
memset(&fl6, 0, sizeof(fl6));
fl.flowi_proto = sk->sk_protocol;
fl6.flowi6_proto = sk->sk_protocol;
/* Fill in the dest address from the route entry passed with the skb
* and the source address from the transport.
*/
ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr.v6.sin6_addr);
ipv6_addr_copy(&fl.fl6_src, &transport->saddr.v6.sin6_addr);
ipv6_addr_copy(&fl6.daddr, &transport->ipaddr.v6.sin6_addr);
ipv6_addr_copy(&fl6.saddr, &transport->saddr.v6.sin6_addr);
fl.fl6_flowlabel = np->flow_label;
IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
if (ipv6_addr_type(&fl.fl6_src) & IPV6_ADDR_LINKLOCAL)
fl.flowi_oif = transport->saddr.v6.sin6_scope_id;
fl6.flowlabel = np->flow_label;
IP6_ECN_flow_xmit(sk, fl6.flowlabel);
if (ipv6_addr_type(&fl6.saddr) & IPV6_ADDR_LINKLOCAL)
fl6.flowi6_oif = transport->saddr.v6.sin6_scope_id;
else
fl.flowi_oif = sk->sk_bound_dev_if;
fl6.flowi6_oif = sk->sk_bound_dev_if;
if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
ipv6_addr_copy(&fl6.daddr, rt0->addr);
}
SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n",
__func__, skb, skb->len,
&fl.fl6_src, &fl.fl6_dst);
&fl6.saddr, &fl6.daddr);
SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->local_df = 1;
return ip6_xmit(sk, skb, &fl, np->opt);
return ip6_xmit(sk, skb, &fl6, np->opt);
}
/* Returns the dst cache entry for the given source and destination ip
@ -245,22 +245,22 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
union sctp_addr *saddr)
{
struct dst_entry *dst;
struct flowi fl;
struct flowi6 fl6;
memset(&fl, 0, sizeof(fl));
ipv6_addr_copy(&fl.fl6_dst, &daddr->v6.sin6_addr);
memset(&fl6, 0, sizeof(fl6));
ipv6_addr_copy(&fl6.daddr, &daddr->v6.sin6_addr);
if (ipv6_addr_type(&daddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL)
fl.flowi_oif = daddr->v6.sin6_scope_id;
fl6.flowi6_oif = daddr->v6.sin6_scope_id;
SCTP_DEBUG_PRINTK("%s: DST=%pI6 ", __func__, &fl.fl6_dst);
SCTP_DEBUG_PRINTK("%s: DST=%pI6 ", __func__, &fl6.daddr);
if (saddr) {
ipv6_addr_copy(&fl.fl6_src, &saddr->v6.sin6_addr);
SCTP_DEBUG_PRINTK("SRC=%pI6 - ", &fl.fl6_src);
ipv6_addr_copy(&fl6.saddr, &saddr->v6.sin6_addr);
SCTP_DEBUG_PRINTK("SRC=%pI6 - ", &fl6.saddr);
}
dst = ip6_route_output(&init_net, NULL, &fl);
dst = ip6_route_output(&init_net, NULL, &fl6);
if (!dst->error) {
struct rt6_info *rt;
rt = (struct rt6_info *)dst;