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-rw-r--r--net/dccp/Kconfig2
-rw-r--r--net/dccp/ccids/Kconfig4
-rw-r--r--net/dccp/ccids/ccid3.c2
-rw-r--r--net/dccp/ccids/ccid3.h2
-rw-r--r--net/dccp/ccids/lib/packet_history.c4
-rw-r--r--net/dccp/ccids/lib/packet_history.h2
-rw-r--r--net/dccp/dccp.h8
-rw-r--r--net/dccp/feat.c6
-rw-r--r--net/dccp/input.c1
-rw-r--r--net/dccp/ipv4.c14
-rw-r--r--net/dccp/ipv6.c14
-rw-r--r--net/dccp/options.c6
-rw-r--r--net/dccp/proto.c54
-rw-r--r--net/dccp/timer.c2
14 files changed, 44 insertions, 77 deletions
diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig
index 51ac2631fb48..0c7d2f66ba27 100644
--- a/net/dccp/Kconfig
+++ b/net/dccp/Kconfig
@@ -5,7 +5,7 @@ menuconfig IP_DCCP
help
Datagram Congestion Control Protocol (RFC 4340)
- From http://www.ietf.org/rfc/rfc4340.txt:
+ From https://www.ietf.org/rfc/rfc4340.txt:
The Datagram Congestion Control Protocol (DCCP) is a transport
protocol that implements bidirectional, unicast connections of
diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig
index 4d7771f36eff..a3eeb84d16f9 100644
--- a/net/dccp/ccids/Kconfig
+++ b/net/dccp/ccids/Kconfig
@@ -26,13 +26,13 @@ config IP_DCCP_CCID3
relatively smooth sending rate is of importance.
CCID-3 is further described in RFC 4342,
- http://www.ietf.org/rfc/rfc4342.txt
+ https://www.ietf.org/rfc/rfc4342.txt
The TFRC congestion control algorithms were initially described in
RFC 5348.
This text was extracted from RFC 4340 (sec. 10.2),
- http://www.ietf.org/rfc/rfc4340.txt
+ https://www.ietf.org/rfc/rfc4340.txt
If in doubt, say N.
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 9ef9bee9610f..aef72f6a2829 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -7,7 +7,7 @@
* An implementation of the DCCP protocol
*
* This code has been developed by the University of Waikato WAND
- * research group. For further information please see http://www.wand.net.nz/
+ * research group. For further information please see https://www.wand.net.nz/
*
* This code also uses code from Lulea University, rereleased as GPL by its
* authors:
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 081c195e7f7d..02e0fc9f6334 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -6,7 +6,7 @@
* An implementation of the DCCP protocol
*
* This code has been developed by the University of Waikato WAND
- * research group. For further information please see http://www.wand.net.nz/
+ * research group. For further information please see https://www.wand.net.nz/
* or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
*
* This code also uses code from Lulea University, rereleased as GPL by its
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index 2d41bb036271..af08e2df7108 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -6,7 +6,7 @@
* An implementation of the DCCP protocol
*
* This code has been developed by the University of Waikato WAND
- * research group. For further information please see http://www.wand.net.nz/
+ * research group. For further information please see https://www.wand.net.nz/
* or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
*
* This code also uses code from Lulea University, rereleased as GPL by its
@@ -365,6 +365,7 @@ void tfrc_rx_hist_purge(struct tfrc_rx_hist *h)
/**
* tfrc_rx_hist_rtt_last_s - reference entry to compute RTT samples against
+ * @h: The non-empty RX history object
*/
static inline struct tfrc_rx_hist_entry *
tfrc_rx_hist_rtt_last_s(const struct tfrc_rx_hist *h)
@@ -374,6 +375,7 @@ static inline struct tfrc_rx_hist_entry *
/**
* tfrc_rx_hist_rtt_prev_s - previously suitable (wrt rtt_last_s) RTT-sampling entry
+ * @h: The non-empty RX history object
*/
static inline struct tfrc_rx_hist_entry *
tfrc_rx_hist_rtt_prev_s(const struct tfrc_rx_hist *h)
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index a157d874840b..159cc9326eab 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -6,7 +6,7 @@
* Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
*
* This code has been developed by the University of Waikato WAND
- * research group. For further information please see http://www.wand.net.nz/
+ * research group. For further information please see https://www.wand.net.nz/
* or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
*
* This code also uses code from Lulea University, rereleased as GPL by its
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 7dce4f6c7025..9cc9d1ee6cdb 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -295,13 +295,7 @@ int dccp_disconnect(struct sock *sk, int flags);
int dccp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
int dccp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen);
-#ifdef CONFIG_COMPAT
-int compat_dccp_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen);
-int compat_dccp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen);
-#endif
+ sockptr_t optval, unsigned int optlen);
int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 9c3b5e056234..afc071ea1271 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -165,6 +165,8 @@ static const struct {
/**
* dccp_feat_index - Hash function to map feature number into array position
+ * @feat_num: feature to hash, one of %dccp_feature_numbers
+ *
* Returns consecutive array index or -1 if the feature is not understood.
*/
static int dccp_feat_index(u8 feat_num)
@@ -567,6 +569,8 @@ cloning_failed:
/**
* dccp_feat_valid_nn_length - Enforce length constraints on NN options
+ * @feat_num: feature to return length of, one of %dccp_feature_numbers
+ *
* Length is between 0 and %DCCP_OPTVAL_MAXLEN. Used for outgoing packets only,
* incoming options are accepted as long as their values are valid.
*/
@@ -1429,6 +1433,8 @@ int dccp_feat_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
/**
* dccp_feat_init - Seed feature negotiation with host-specific defaults
+ * @sk: Socket to initialize.
+ *
* This initialises global defaults, depending on the value of the sysctls.
* These can later be overridden by registering changes via setsockopt calls.
* The last link in the chain is finalise_settings, to make sure that between
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 6dce68a55964..bd9cfdb67436 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -715,6 +715,7 @@ EXPORT_SYMBOL_GPL(dccp_rcv_state_process);
/**
* dccp_sample_rtt - Validate and finalise computation of RTT sample
+ * @sk: socket structure
* @delta: number of microseconds between packet and acknowledgment
*
* The routine is kept generic to work in different contexts. It should be
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index d19557c6d04b..9c28c8251125 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -694,6 +694,8 @@ EXPORT_SYMBOL_GPL(dccp_v4_do_rcv);
/**
* dccp_invalid_packet - check for malformed packets
+ * @skb: Packet to validate
+ *
* Implements RFC 4340, 8.5: Step 1: Check header basics
* Packets that fail these checks are ignored and do not receive Resets.
*/
@@ -911,10 +913,6 @@ static const struct inet_connection_sock_af_ops dccp_ipv4_af_ops = {
.getsockopt = ip_getsockopt,
.addr2sockaddr = inet_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ip_setsockopt,
- .compat_getsockopt = compat_ip_getsockopt,
-#endif
};
static int dccp_v4_init_sock(struct sock *sk)
@@ -961,10 +959,6 @@ static struct proto dccp_v4_prot = {
.rsk_prot = &dccp_request_sock_ops,
.twsk_prot = &dccp_timewait_sock_ops,
.h.hashinfo = &dccp_hashinfo,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_dccp_setsockopt,
- .compat_getsockopt = compat_dccp_getsockopt,
-#endif
};
static const struct net_protocol dccp_v4_protocol = {
@@ -997,10 +991,6 @@ static const struct proto_ops inet_dccp_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
static struct inet_protosw dccp_v4_protosw = {
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 650187d68851..ef4ab28cfde0 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -970,10 +970,6 @@ static const struct inet_connection_sock_af_ops dccp_ipv6_af_ops = {
.getsockopt = ipv6_getsockopt,
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ipv6_setsockopt,
- .compat_getsockopt = compat_ipv6_getsockopt,
-#endif
};
/*
@@ -990,10 +986,6 @@ static const struct inet_connection_sock_af_ops dccp_ipv6_mapped = {
.getsockopt = ipv6_getsockopt,
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ipv6_setsockopt,
- .compat_getsockopt = compat_ipv6_getsockopt,
-#endif
};
/* NOTE: A lot of things set to zero explicitly by call to
@@ -1049,10 +1041,6 @@ static struct proto dccp_v6_prot = {
.rsk_prot = &dccp6_request_sock_ops,
.twsk_prot = &dccp6_timewait_sock_ops,
.h.hashinfo = &dccp_hashinfo,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_dccp_setsockopt,
- .compat_getsockopt = compat_dccp_getsockopt,
-#endif
};
static const struct inet6_protocol dccp_v6_protocol = {
@@ -1083,8 +1071,6 @@ static const struct proto_ops inet6_dccp_ops = {
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 3b42f5c6a63d..51aaba7a5d45 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -43,6 +43,7 @@ u64 dccp_decode_value_var(const u8 *bf, const u8 len)
* dccp_parse_options - Parse DCCP options present in @skb
* @sk: client|server|listening dccp socket (when @dreq != NULL)
* @dreq: request socket to use during connection setup, or NULL
+ * @skb: frame to parse
*/
int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
struct sk_buff *skb)
@@ -56,7 +57,7 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
(dh->dccph_doff * 4);
struct dccp_options_received *opt_recv = &dp->dccps_options_received;
unsigned char opt, len;
- unsigned char *uninitialized_var(value);
+ unsigned char *value;
u32 elapsed_time;
__be32 opt_val;
int rc;
@@ -471,6 +472,8 @@ static int dccp_insert_option_ackvec(struct sock *sk, struct sk_buff *skb)
/**
* dccp_insert_option_mandatory - Mandatory option (5.8.2)
+ * @skb: frame into which to insert option
+ *
* Note that since we are using skb_push, this function needs to be called
* _after_ inserting the option it is supposed to influence (stack order).
*/
@@ -486,6 +489,7 @@ int dccp_insert_option_mandatory(struct sk_buff *skb)
/**
* dccp_insert_fn_opt - Insert single Feature-Negotiation option into @skb
+ * @skb: frame to insert feature negotiation option into
* @type: %DCCPO_CHANGE_L, %DCCPO_CHANGE_R, %DCCPO_CONFIRM_L, %DCCPO_CONFIRM_R
* @feat: one out of %dccp_feature_numbers
* @val: NN value or SP array (preferred element first) to copy
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index c13b6609474b..d148ab1530e5 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -375,6 +375,15 @@ int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg)
goto out;
switch (cmd) {
+ case SIOCOUTQ: {
+ int amount = sk_wmem_alloc_get(sk);
+ /* Using sk_wmem_alloc here because sk_wmem_queued is not used by DCCP and
+ * always 0, comparably to UDP.
+ */
+
+ rc = put_user(amount, (int __user *)arg);
+ }
+ break;
case SIOCINQ: {
struct sk_buff *skb;
unsigned long amount = 0;
@@ -402,7 +411,7 @@ out:
EXPORT_SYMBOL_GPL(dccp_ioctl);
static int dccp_setsockopt_service(struct sock *sk, const __be32 service,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct dccp_sock *dp = dccp_sk(sk);
struct dccp_service_list *sl = NULL;
@@ -417,9 +426,8 @@ static int dccp_setsockopt_service(struct sock *sk, const __be32 service,
return -ENOMEM;
sl->dccpsl_nr = optlen / sizeof(u32) - 1;
- if (copy_from_user(sl->dccpsl_list,
- optval + sizeof(service),
- optlen - sizeof(service)) ||
+ if (copy_from_sockptr_offset(sl->dccpsl_list, optval,
+ sizeof(service), optlen - sizeof(service)) ||
dccp_list_has_service(sl, DCCP_SERVICE_INVALID_VALUE)) {
kfree(sl);
return -EFAULT;
@@ -473,7 +481,7 @@ static int dccp_setsockopt_cscov(struct sock *sk, int cscov, bool rx)
}
static int dccp_setsockopt_ccid(struct sock *sk, int type,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
u8 *val;
int rc = 0;
@@ -481,7 +489,7 @@ static int dccp_setsockopt_ccid(struct sock *sk, int type,
if (optlen < 1 || optlen > DCCP_FEAT_MAX_SP_VALS)
return -EINVAL;
- val = memdup_user(optval, optlen);
+ val = memdup_sockptr(optval, optlen);
if (IS_ERR(val))
return PTR_ERR(val);
@@ -498,7 +506,7 @@ static int dccp_setsockopt_ccid(struct sock *sk, int type,
}
static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct dccp_sock *dp = dccp_sk(sk);
int val, err = 0;
@@ -520,7 +528,7 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
if (optlen < (int)sizeof(int))
return -EINVAL;
- if (get_user(val, (int __user *)optval))
+ if (copy_from_sockptr(&val, optval, sizeof(int)))
return -EFAULT;
if (optname == DCCP_SOCKOPT_SERVICE)
@@ -563,8 +571,8 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
return err;
}
-int dccp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+int dccp_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
+ unsigned int optlen)
{
if (level != SOL_DCCP)
return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
@@ -575,19 +583,6 @@ int dccp_setsockopt(struct sock *sk, int level, int optname,
EXPORT_SYMBOL_GPL(dccp_setsockopt);
-#ifdef CONFIG_COMPAT
-int compat_dccp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
-{
- if (level != SOL_DCCP)
- return inet_csk_compat_setsockopt(sk, level, optname,
- optval, optlen);
- return do_dccp_setsockopt(sk, level, optname, optval, optlen);
-}
-
-EXPORT_SYMBOL_GPL(compat_dccp_setsockopt);
-#endif
-
static int dccp_getsockopt_service(struct sock *sk, int len,
__be32 __user *optval,
int __user *optlen)
@@ -696,19 +691,6 @@ int dccp_getsockopt(struct sock *sk, int level, int optname,
EXPORT_SYMBOL_GPL(dccp_getsockopt);
-#ifdef CONFIG_COMPAT
-int compat_dccp_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
-{
- if (level != SOL_DCCP)
- return inet_csk_compat_getsockopt(sk, level, optname,
- optval, optlen);
- return do_dccp_getsockopt(sk, level, optname, optval, optlen);
-}
-
-EXPORT_SYMBOL_GPL(compat_dccp_getsockopt);
-#endif
-
static int dccp_msghdr_parse(struct msghdr *msg, struct sk_buff *skb)
{
struct cmsghdr *cmsg;
diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index c0b3672637c4..0e06dfc32273 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -216,6 +216,8 @@ out:
/**
* dccp_write_xmitlet - Workhorse for CCID packet dequeueing interface
+ * @data: Socket to act on
+ *
* See the comments above %ccid_dequeueing_decision for supported modes.
*/
static void dccp_write_xmitlet(unsigned long data)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 08:43:44 +0000