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-rw-r--r--include/linux/ipv6.h3
-rw-r--r--include/net/inet_sock.h1
-rw-r--r--include/net/ipv6.h4
-rw-r--r--net/dccp/ipv6.c2
-rw-r--r--net/ipv4/ping.c2
-rw-r--r--net/ipv6/datagram.c6
-rw-r--r--net/ipv6/ipv6_sockglue.c17
-rw-r--r--net/ipv6/raw.c10
-rw-r--r--net/ipv6/tcp_ipv6.c2
-rw-r--r--net/ipv6/udp.c6
-rw-r--r--net/sctp/ipv6.c4
11 files changed, 25 insertions, 32 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 57d563f1d4b1..53f4f1b97a78 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -243,8 +243,7 @@ struct ipv6_pinfo {
} rxopt;
/* sockopt flags */
- __u16 recverr:1,
- sndflow:1,
+ __u16 sndflow:1,
repflow:1,
pmtudisc:3,
padding:1, /* 1 bit hole */
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index ac75324e9e1e..3b79bc759ff4 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -274,6 +274,7 @@ enum {
INET_FLAGS_AUTOFLOWLABEL_SET = 23,
INET_FLAGS_AUTOFLOWLABEL = 24,
INET_FLAGS_DONTFRAG = 25,
+ INET_FLAGS_RECVERR6 = 26,
};
/* cmsg flags for inet */
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 5a1f2993680d..bd115980809f 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1303,9 +1303,7 @@ static inline int ip6_sock_set_v6only(struct sock *sk)
static inline void ip6_sock_set_recverr(struct sock *sk)
{
- lock_sock(sk);
- inet6_sk(sk)->recverr = true;
- release_sock(sk);
+ inet6_set_bit(RECVERR6, sk);
}
static inline int __ip6_sock_set_addr_preferences(struct sock *sk, int val)
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 83617a16b98e..e6c3d84c2b9e 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -185,7 +185,7 @@ static int dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
goto out;
}
- if (!sock_owned_by_user(sk) && np->recverr) {
+ if (!sock_owned_by_user(sk) && inet6_test_bit(RECVERR6, sk)) {
sk->sk_err = err;
sk_error_report(sk);
} else {
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 75e0aee35eb7..bc01ad5fc01a 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -581,7 +581,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info)
* 4.1.3.3.
*/
if ((family == AF_INET && !inet_test_bit(RECVERR, sk)) ||
- (family == AF_INET6 && !inet6_sk(sk)->recverr)) {
+ (family == AF_INET6 && !inet6_test_bit(RECVERR6, sk))) {
if (!harderr || sk->sk_state != TCP_ESTABLISHED)
goto out;
} else {
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index e81892814935..74673a5eff31 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -305,11 +305,10 @@ static void ipv6_icmp_error_rfc4884(const struct sk_buff *skb,
void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
__be16 port, u32 info, u8 *payload)
{
- struct ipv6_pinfo *np = inet6_sk(sk);
struct icmp6hdr *icmph = icmp6_hdr(skb);
struct sock_exterr_skb *serr;
- if (!np->recverr)
+ if (!inet6_test_bit(RECVERR6, sk))
return;
skb = skb_clone(skb, GFP_ATOMIC);
@@ -344,12 +343,11 @@ EXPORT_SYMBOL_GPL(ipv6_icmp_error);
void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info)
{
- const struct ipv6_pinfo *np = inet6_sk(sk);
struct sock_exterr_skb *serr;
struct ipv6hdr *iph;
struct sk_buff *skb;
- if (!np->recverr)
+ if (!inet6_test_bit(RECVERR6, sk))
return;
skb = alloc_skb(sizeof(struct ipv6hdr), GFP_ATOMIC);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 33dd4dd872e6..ec10b45c49c1 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -481,6 +481,13 @@ int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
case IPV6_DONTFRAG:
inet6_assign_bit(DONTFRAG, sk, valbool);
return 0;
+ case IPV6_RECVERR:
+ if (optlen < sizeof(int))
+ return -EINVAL;
+ inet6_assign_bit(RECVERR6, sk, valbool);
+ if (!val)
+ skb_errqueue_purge(&sk->sk_error_queue);
+ return 0;
}
if (needs_rtnl)
rtnl_lock();
@@ -943,14 +950,6 @@ done:
np->pmtudisc = val;
retv = 0;
break;
- case IPV6_RECVERR:
- if (optlen < sizeof(int))
- goto e_inval;
- np->recverr = valbool;
- if (!val)
- skb_errqueue_purge(&sk->sk_error_queue);
- retv = 0;
- break;
case IPV6_FLOWINFO_SEND:
if (optlen < sizeof(int))
goto e_inval;
@@ -1380,7 +1379,7 @@ int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
break;
case IPV6_RECVERR:
- val = np->recverr;
+ val = inet6_test_bit(RECVERR6, sk);
break;
case IPV6_FLOWINFO_SEND:
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index cc9673c1809f..71f6bdccfa1f 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -291,6 +291,7 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
+ bool recverr = inet6_test_bit(RECVERR6, sk);
struct ipv6_pinfo *np = inet6_sk(sk);
int err;
int harderr;
@@ -300,7 +301,7 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
2. Socket is connected (otherwise the error indication
is useless without recverr and error is hard.
*/
- if (!np->recverr && sk->sk_state != TCP_ESTABLISHED)
+ if (!recverr && sk->sk_state != TCP_ESTABLISHED)
return;
harderr = icmpv6_err_convert(type, code, &err);
@@ -312,14 +313,14 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
ip6_sk_redirect(skb, sk);
return;
}
- if (np->recverr) {
+ if (recverr) {
u8 *payload = skb->data;
if (!inet_test_bit(HDRINCL, sk))
payload += offset;
ipv6_icmp_error(sk, skb, err, 0, ntohl(info), payload);
}
- if (np->recverr || harderr) {
+ if (recverr || harderr) {
sk->sk_err = err;
sk_error_report(sk);
}
@@ -587,7 +588,6 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
struct flowi6 *fl6, struct dst_entry **dstp,
unsigned int flags, const struct sockcm_cookie *sockc)
{
- struct ipv6_pinfo *np = inet6_sk(sk);
struct net *net = sock_net(sk);
struct ipv6hdr *iph;
struct sk_buff *skb;
@@ -668,7 +668,7 @@ out:
error:
IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
error_check:
- if (err == -ENOBUFS && !np->recverr)
+ if (err == -ENOBUFS && !inet6_test_bit(RECVERR6, sk))
err = 0;
return err;
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 54db5fab318b..b5954b136b57 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -508,7 +508,7 @@ static int tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
tcp_ld_RTO_revert(sk, seq);
}
- if (!sock_owned_by_user(sk) && np->recverr) {
+ if (!sock_owned_by_user(sk) && inet6_test_bit(RECVERR6, sk)) {
WRITE_ONCE(sk->sk_err, err);
sk_error_report(sk);
} else {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index e4301500741a..90e873689b88 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -619,7 +619,7 @@ int __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
goto out;
}
- if (!np->recverr) {
+ if (!inet6_test_bit(RECVERR6, sk)) {
if (!harderr || sk->sk_state != TCP_ESTABLISHED)
goto out;
} else {
@@ -1283,7 +1283,7 @@ csum_partial:
send:
err = ip6_send_skb(skb);
if (err) {
- if (err == -ENOBUFS && !inet6_sk(sk)->recverr) {
+ if (err == -ENOBUFS && !inet6_test_bit(RECVERR6, sk)) {
UDP6_INC_STATS(sock_net(sk),
UDP_MIB_SNDBUFERRORS, is_udplite);
err = 0;
@@ -1608,7 +1608,7 @@ do_append_data:
up->pending = 0;
if (err > 0)
- err = np->recverr ? net_xmit_errno(err) : 0;
+ err = inet6_test_bit(RECVERR6, sk) ? net_xmit_errno(err) : 0;
release_sock(sk);
out:
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 43f2731bf590..42b5b853ea01 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -128,7 +128,6 @@ static void sctp_v6_err_handle(struct sctp_transport *t, struct sk_buff *skb,
{
struct sctp_association *asoc = t->asoc;
struct sock *sk = asoc->base.sk;
- struct ipv6_pinfo *np;
int err = 0;
switch (type) {
@@ -149,9 +148,8 @@ static void sctp_v6_err_handle(struct sctp_transport *t, struct sk_buff *skb,
break;
}
- np = inet6_sk(sk);
icmpv6_err_convert(type, code, &err);
- if (!sock_owned_by_user(sk) && np->recverr) {
+ if (!sock_owned_by_user(sk) && inet6_test_bit(RECVERR6, sk)) {
sk->sk_err = err;
sk_error_report(sk);
} else {
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-22 14:39:10 +0000