#include <linux/poll.h>
#include <linux/init.h>
#include <linux/crypto.h>
+#include <linux/slab.h>
#include <net/ip.h>
#include <net/icmp.h>
if (asoc->ep->sndbuf_policy)
amt = asoc->sndbuf_used;
else
- amt = atomic_read(&asoc->base.sk->sk_wmem_alloc);
+ amt = sk_wmem_alloc_get(asoc->base.sk);
if (amt >= asoc->base.sk->sk_sndbuf) {
if (asoc->base.sk->sk_userlocks & SOCK_SNDBUF_LOCK)
/* Refresh ephemeral port. */
if (!bp->port)
- bp->port = inet_sk(sk)->num;
+ bp->port = inet_sk(sk)->inet_num;
/* Add the address to the bind address list.
* Use GFP_ATOMIC since BHs will be disabled.
/* Copy back into socket for getsockname() use. */
if (!ret) {
- inet_sk(sk)->sport = htons(inet_sk(sk)->num);
+ inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num);
af->to_sk_saddr(addr, sk);
}
err = -ENOMEM;
goto out_free;
}
+
+ err = sctp_assoc_set_bind_addr_from_ep(asoc, scope,
+ GFP_KERNEL);
+ if (err < 0) {
+ goto out_free;
+ }
+
}
/* Prime the peer's transport structures. */
walk_size += af->sockaddr_len;
}
- err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
- if (err < 0) {
- goto out_free;
- }
-
/* In case the user of sctp_connectx() wants an association
* id back, assign one now.
*/
}
/* Initialize sk's dport and daddr for getpeername() */
- inet_sk(sk)->dport = htons(asoc->peer.port);
+ inet_sk(sk)->inet_dport = htons(asoc->peer.port);
af = sctp_get_af_specific(sa_addr->sa.sa_family);
af->to_sk_daddr(sa_addr, sk);
sk->sk_err = 0;
}
/*
- * New (hopefully final) interface for the API. The option buffer is used
- * both for the returned association id and the addresses.
+ * New (hopefully final) interface for the API.
+ * We use the sctp_getaddrs_old structure so that use-space library
+ * can avoid any unnecessary allocations. The only defferent part
+ * is that we store the actual length of the address buffer into the
+ * addrs_num structure member. That way we can re-use the existing
+ * code.
*/
SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
char __user *optval,
int __user *optlen)
{
+ struct sctp_getaddrs_old param;
sctp_assoc_t assoc_id = 0;
int err = 0;
- if (len < sizeof(assoc_id))
+ if (len < sizeof(param))
return -EINVAL;
+ if (copy_from_user(¶m, optval, sizeof(param)))
+ return -EFAULT;
+
err = __sctp_setsockopt_connectx(sk,
- (struct sockaddr __user *)(optval + sizeof(assoc_id)),
- len - sizeof(assoc_id), &assoc_id);
+ (struct sockaddr __user *)param.addrs,
+ param.addr_num, &assoc_id);
if (err == 0 || err == -EINPROGRESS) {
if (copy_to_user(optval, &assoc_id, sizeof(assoc_id)))
sctp_lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
+ sk->sk_state = SCTP_SS_CLOSING;
ep = sctp_sk(sk)->ep;
goto out_unlock;
}
asoc = new_asoc;
+ err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL);
+ if (err < 0) {
+ err = -ENOMEM;
+ goto out_free;
+ }
/* If the SCTP_INIT ancillary data is specified, set all
* the association init values accordingly.
err = -ENOMEM;
goto out_free;
}
- err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
- if (err < 0) {
- err = -ENOMEM;
- goto out_free;
- }
}
/* ASSERT: we have a valid association at this point. */
sctp_set_owner_w(chunk);
chunk->transport = chunk_tp;
-
- /* Send it to the lower layers. Note: all chunks
- * must either fail or succeed. The lower layer
- * works that way today. Keep it that way or this
- * breaks.
- */
- err = sctp_primitive_SEND(asoc, chunk);
- /* Did the lower layer accept the chunk? */
- if (err)
- sctp_chunk_free(chunk);
- SCTP_DEBUG_PRINTK("We sent primitively.\n");
}
- sctp_datamsg_put(datamsg);
+ /* Send it to the lower layers. Note: all chunks
+ * must either fail or succeed. The lower layer
+ * works that way today. Keep it that way or this
+ * breaks.
+ */
+ err = sctp_primitive_SEND(asoc, datamsg);
+ /* Did the lower layer accept the chunk? */
+ if (err)
+ sctp_datamsg_free(datamsg);
+ else
+ sctp_datamsg_put(datamsg);
+
+ SCTP_DEBUG_PRINTK("We sent primitively.\n");
+
if (err)
goto out_free;
else
len -= skb_len;
__skb_pull(skb, skb_len);
- for (list = skb_shinfo(skb)->frag_list; list; list = list->next) {
+ skb_walk_frags(skb, list) {
rlen = sctp_skb_pull(list, len);
skb->len -= (len-rlen);
skb->data_len -= (len-rlen);
if (err)
goto out_free;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (sctp_ulpevent_is_notification(event)) {
msg->msg_flags |= MSG_NOTIFICATION;
sp->pf->event_msgname(event, msg->msg_name, addr_len);
* instead a error will be indicated to the user.
*/
static int sctp_setsockopt_disable_fragments(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
int val;
}
static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
if (optlen > sizeof(struct sctp_event_subscribe))
return -EINVAL;
* association is closed.
*/
static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
return -EINVAL;
if (copy_from_user(&sp->autoclose, optval, optlen))
return -EFAULT;
+ /* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
+ sp->autoclose = min_t(long, sp->autoclose, MAX_SCHEDULE_TIMEOUT / HZ);
return 0;
}
sctp_assoc_sync_pmtu(asoc);
} else if (asoc) {
asoc->pathmtu = params->spp_pathmtu;
- sctp_frag_point(sp, params->spp_pathmtu);
+ sctp_frag_point(asoc, params->spp_pathmtu);
} else {
sp->pathmtu = params->spp_pathmtu;
}
}
}
- /* Note that unless the spp_flag is set to SPP_PMTUD_ENABLE the value
- * of this field is ignored. Note also that a value of zero
- * indicates the current setting should be left unchanged.
+ /* Note that a value of zero indicates the current setting should be
+ left unchanged.
*/
- if ((params->spp_flags & SPP_PMTUD_ENABLE) && params->spp_pathmaxrxt) {
+ if (params->spp_pathmaxrxt) {
if (trans) {
trans->pathmaxrxt = params->spp_pathmaxrxt;
} else if (asoc) {
}
static int sctp_setsockopt_peer_addr_params(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_paddrparams params;
struct sctp_transport *trans = NULL;
pmtud_change == SPP_PMTUD ||
sackdelay_change == SPP_SACKDELAY ||
params.spp_sackdelay > 500 ||
- (params.spp_pathmtu
- && params.spp_pathmtu < SCTP_DEFAULT_MINSEGMENT))
+ (params.spp_pathmtu &&
+ params.spp_pathmtu < SCTP_DEFAULT_MINSEGMENT))
return -EINVAL;
/* If an address other than INADDR_ANY is specified, and
*/
static int sctp_setsockopt_delayed_ack(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval, unsigned int optlen)
{
struct sctp_sack_info params;
struct sctp_transport *trans = NULL;
* by the change). With TCP-style sockets, this option is inherited by
* sockets derived from a listener socket.
*/
-static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, unsigned int optlen)
{
struct sctp_initmsg sinit;
struct sctp_sock *sp = sctp_sk(sk);
* to this call if the caller is using the UDP model.
*/
static int sctp_setsockopt_default_send_param(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_sndrcvinfo info;
struct sctp_association *asoc;
* association peer's addresses.
*/
static int sctp_setsockopt_primary_addr(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_prim prim;
struct sctp_transport *trans;
* integer boolean flag.
*/
static int sctp_setsockopt_nodelay(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
int val;
* be changed.
*
*/
-static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, int optlen) {
+static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, unsigned int optlen)
+{
struct sctp_rtoinfo rtoinfo;
struct sctp_association *asoc;
* See [SCTP] for more information.
*
*/
-static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, unsigned int optlen)
{
struct sctp_assocparams assocparams;
* addresses and a user will receive both PF_INET6 and PF_INET type
* addresses on the socket.
*/
-static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, unsigned int optlen)
{
int val;
struct sctp_sock *sp = sctp_sk(sk);
* changed (effecting future associations only).
* assoc_value: This parameter specifies the maximum size in bytes.
*/
-static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, unsigned int optlen)
{
struct sctp_assoc_value params;
struct sctp_association *asoc;
val -= sizeof(struct sctphdr) +
sizeof(struct sctp_data_chunk);
}
-
- asoc->frag_point = val;
+ asoc->user_frag = val;
+ asoc->frag_point = sctp_frag_point(asoc, asoc->pathmtu);
} else {
sp->user_frag = val;
-
- /* Update the frag_point of the existing associations. */
- list_for_each_entry(asoc, &(sp->ep->asocs), asocs) {
- asoc->frag_point = sctp_frag_point(sp, asoc->pathmtu);
- }
}
return 0;
* set primary request:
*/
static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_sock *sp;
struct sctp_endpoint *ep;
}
static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_setadaptation adaptation;
* saved with outbound messages.
*/
static int sctp_setsockopt_context(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
*/
static int sctp_setsockopt_fragment_interleave(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
int val;
*/
static int sctp_setsockopt_partial_delivery_point(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
u32 val;
*/
static int sctp_setsockopt_maxburst(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
* will only effect future associations on the socket.
*/
static int sctp_setsockopt_auth_chunk(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_authchunk val;
* endpoint requires the peer to use.
*/
static int sctp_setsockopt_hmac_ident(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_hmacalgo *hmacs;
u32 idents;
*/
static int sctp_setsockopt_auth_key(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_authkey *authkey;
struct sctp_association *asoc;
* the association shared key.
*/
static int sctp_setsockopt_active_key(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_authkeyid val;
struct sctp_association *asoc;
* This set option will delete a shared secret key from use.
*/
static int sctp_setsockopt_del_key(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_authkeyid val;
struct sctp_association *asoc;
* optlen - the size of the buffer.
*/
SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int optlen)
+ char __user *optval, unsigned int optlen)
{
int retval = 0;
sp->hmac = NULL;
SCTP_DBG_OBJCNT_INC(sock);
- percpu_counter_inc(&sctp_sockets_allocated);
local_bh_disable();
+ percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
local_bh_enable();
/* Release our hold on the endpoint. */
ep = sctp_sk(sk)->ep;
sctp_endpoint_free(ep);
- percpu_counter_dec(&sctp_sockets_allocated);
local_bh_disable();
+ percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable();
}
return 0;
}
-static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
- char __user *optval,
- int __user *optlen)
-{
- sctp_assoc_t id;
- struct sctp_association *asoc;
- struct list_head *pos;
- int cnt = 0;
-
- if (len < sizeof(sctp_assoc_t))
- return -EINVAL;
-
- if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
- return -EFAULT;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_NUM_OLD "
- "socket option deprecated\n");
- /* For UDP-style sockets, id specifies the association to query. */
- asoc = sctp_id2assoc(sk, id);
- if (!asoc)
- return -EINVAL;
-
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- cnt ++;
- }
-
- return cnt;
-}
-
-/*
- * Old API for getting list of peer addresses. Does not work for 32-bit
- * programs running on a 64-bit kernel
- */
-static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
- char __user *optval,
- int __user *optlen)
-{
- struct sctp_association *asoc;
- int cnt = 0;
- struct sctp_getaddrs_old getaddrs;
- struct sctp_transport *from;
- void __user *to;
- union sctp_addr temp;
- struct sctp_sock *sp = sctp_sk(sk);
- int addrlen;
-
- if (len < sizeof(struct sctp_getaddrs_old))
- return -EINVAL;
-
- len = sizeof(struct sctp_getaddrs_old);
-
- if (copy_from_user(&getaddrs, optval, len))
- return -EFAULT;
-
- if (getaddrs.addr_num <= 0) return -EINVAL;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_OLD "
- "socket option deprecated\n");
-
- /* For UDP-style sockets, id specifies the association to query. */
- asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
- if (!asoc)
- return -EINVAL;
-
- to = (void __user *)getaddrs.addrs;
- list_for_each_entry(from, &asoc->peer.transport_addr_list,
- transports) {
- memcpy(&temp, &from->ipaddr, sizeof(temp));
- sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
- addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
- if (copy_to_user(to, &temp, addrlen))
- return -EFAULT;
- to += addrlen ;
- cnt ++;
- if (cnt >= getaddrs.addr_num) break;
- }
- getaddrs.addr_num = cnt;
- if (put_user(len, optlen))
- return -EFAULT;
- if (copy_to_user(optval, &getaddrs, len))
- return -EFAULT;
-
- return 0;
-}
static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
transports) {
memcpy(&temp, &from->ipaddr, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
- addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
+ addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen)
return -ENOMEM;
if (copy_to_user(to, &temp, addrlen))
return 0;
}
-static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
- char __user *optval,
- int __user *optlen)
-{
- sctp_assoc_t id;
- struct sctp_bind_addr *bp;
- struct sctp_association *asoc;
- struct sctp_sockaddr_entry *addr;
- int cnt = 0;
-
- if (len < sizeof(sctp_assoc_t))
- return -EINVAL;
-
- if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
- return -EFAULT;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_NUM_OLD "
- "socket option deprecated\n");
-
- /*
- * For UDP-style sockets, id specifies the association to query.
- * If the id field is set to the value '0' then the locally bound
- * addresses are returned without regard to any particular
- * association.
- */
- if (0 == id) {
- bp = &sctp_sk(sk)->ep->base.bind_addr;
- } else {
- asoc = sctp_id2assoc(sk, id);
- if (!asoc)
- return -EINVAL;
- bp = &asoc->base.bind_addr;
- }
-
- /* If the endpoint is bound to 0.0.0.0 or ::0, count the valid
- * addresses from the global local address list.
- */
- if (sctp_list_single_entry(&bp->address_list)) {
- addr = list_entry(bp->address_list.next,
- struct sctp_sockaddr_entry, list);
- if (sctp_is_any(sk, &addr->a)) {
- rcu_read_lock();
- list_for_each_entry_rcu(addr,
- &sctp_local_addr_list, list) {
- if (!addr->valid)
- continue;
-
- if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a.sa.sa_family))
- continue;
-
- if ((PF_INET6 == sk->sk_family) &&
- inet_v6_ipv6only(sk) &&
- (AF_INET == addr->a.sa.sa_family))
- continue;
-
- cnt++;
- }
- rcu_read_unlock();
- } else {
- cnt = 1;
- }
- goto done;
- }
-
- /* Protection on the bound address list is not needed,
- * since in the socket option context we hold the socket lock,
- * so there is no way that the bound address list can change.
- */
- list_for_each_entry(addr, &bp->address_list, list) {
- cnt ++;
- }
-done:
- return cnt;
-}
-
-/* Helper function that copies local addresses to user and returns the number
- * of addresses copied.
- */
-static int sctp_copy_laddrs_old(struct sock *sk, __u16 port,
- int max_addrs, void *to,
- int *bytes_copied)
-{
- struct sctp_sockaddr_entry *addr;
- union sctp_addr temp;
- int cnt = 0;
- int addrlen;
-
- rcu_read_lock();
- list_for_each_entry_rcu(addr, &sctp_local_addr_list, list) {
- if (!addr->valid)
- continue;
-
- if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a.sa.sa_family))
- continue;
- if ((PF_INET6 == sk->sk_family) &&
- inet_v6_ipv6only(sk) &&
- (AF_INET == addr->a.sa.sa_family))
- continue;
- memcpy(&temp, &addr->a, sizeof(temp));
- if (!temp.v4.sin_port)
- temp.v4.sin_port = htons(port);
-
- sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
- &temp);
- addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
- memcpy(to, &temp, addrlen);
-
- to += addrlen;
- *bytes_copied += addrlen;
- cnt ++;
- if (cnt >= max_addrs) break;
- }
- rcu_read_unlock();
-
- return cnt;
-}
-
static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
size_t space_left, int *bytes_copied)
{
return cnt;
}
-/* Old API for getting list of local addresses. Does not work for 32-bit
- * programs running on a 64-bit kernel
- */
-static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
- char __user *optval, int __user *optlen)
-{
- struct sctp_bind_addr *bp;
- struct sctp_association *asoc;
- int cnt = 0;
- struct sctp_getaddrs_old getaddrs;
- struct sctp_sockaddr_entry *addr;
- void __user *to;
- union sctp_addr temp;
- struct sctp_sock *sp = sctp_sk(sk);
- int addrlen;
- int err = 0;
- void *addrs;
- void *buf;
- int bytes_copied = 0;
-
- if (len < sizeof(struct sctp_getaddrs_old))
- return -EINVAL;
-
- len = sizeof(struct sctp_getaddrs_old);
- if (copy_from_user(&getaddrs, optval, len))
- return -EFAULT;
-
- if (getaddrs.addr_num <= 0 ||
- getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr)))
- return -EINVAL;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_OLD "
- "socket option deprecated\n");
-
- /*
- * For UDP-style sockets, id specifies the association to query.
- * If the id field is set to the value '0' then the locally bound
- * addresses are returned without regard to any particular
- * association.
- */
- if (0 == getaddrs.assoc_id) {
- bp = &sctp_sk(sk)->ep->base.bind_addr;
- } else {
- asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
- if (!asoc)
- return -EINVAL;
- bp = &asoc->base.bind_addr;
- }
-
- to = getaddrs.addrs;
-
- /* Allocate space for a local instance of packed array to hold all
- * the data. We store addresses here first and then put write them
- * to the user in one shot.
- */
- addrs = kmalloc(sizeof(union sctp_addr) * getaddrs.addr_num,
- GFP_KERNEL);
- if (!addrs)
- return -ENOMEM;
-
- /* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
- * addresses from the global local address list.
- */
- if (sctp_list_single_entry(&bp->address_list)) {
- addr = list_entry(bp->address_list.next,
- struct sctp_sockaddr_entry, list);
- if (sctp_is_any(sk, &addr->a)) {
- cnt = sctp_copy_laddrs_old(sk, bp->port,
- getaddrs.addr_num,
- addrs, &bytes_copied);
- goto copy_getaddrs;
- }
- }
-
- buf = addrs;
- /* Protection on the bound address list is not needed since
- * in the socket option context we hold a socket lock and
- * thus the bound address list can't change.
- */
- list_for_each_entry(addr, &bp->address_list, list) {
- memcpy(&temp, &addr->a, sizeof(temp));
- sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
- addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
- memcpy(buf, &temp, addrlen);
- buf += addrlen;
- bytes_copied += addrlen;
- cnt ++;
- if (cnt >= getaddrs.addr_num) break;
- }
-
-copy_getaddrs:
- /* copy the entire address list into the user provided space */
- if (copy_to_user(to, addrs, bytes_copied)) {
- err = -EFAULT;
- goto error;
- }
-
- /* copy the leading structure back to user */
- getaddrs.addr_num = cnt;
- if (copy_to_user(optval, &getaddrs, len))
- err = -EFAULT;
-
-error:
- kfree(addrs);
- return err;
-}
static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
case SCTP_INITMSG:
retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
break;
- case SCTP_GET_PEER_ADDRS_NUM_OLD:
- retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
- optlen);
- break;
- case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
- retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
- optlen);
- break;
- case SCTP_GET_PEER_ADDRS_OLD:
- retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
- optlen);
- break;
- case SCTP_GET_LOCAL_ADDRS_OLD:
- retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
- optlen);
- break;
case SCTP_GET_PEER_ADDRS:
retval = sctp_getsockopt_peer_addrs(sk, len, optval,
optlen);
rover++;
if ((rover < low) || (rover > high))
rover = low;
+ if (inet_is_reserved_local_port(rover))
+ continue;
index = sctp_phashfn(rover);
head = &sctp_port_hashtable[index];
sctp_spin_lock(&head->lock);
*/
int reuse = sk->sk_reuse;
struct sock *sk2;
- struct hlist_node *node;
SCTP_DEBUG_PRINTK("sctp_get_port() found a possible match\n");
if (pp->fastreuse && sk->sk_reuse &&
*/
success:
if (!sctp_sk(sk)->bind_hash) {
- inet_sk(sk)->num = snum;
+ inet_sk(sk)->inet_num = snum;
sk_add_bind_node(sk, &pp->owner);
sctp_sk(sk)->bind_hash = pp;
}
if (sctp_autobind(sk))
return -EAGAIN;
} else {
- if (sctp_get_port(sk, inet_sk(sk)->num)) {
+ if (sctp_get_port(sk, inet_sk(sk)->inet_num)) {
sk->sk_state = SCTP_SS_CLOSED;
return -EADDRINUSE;
}
struct sctp_sock *sp = sctp_sk(sk);
unsigned int mask;
- poll_wait(file, sk->sk_sleep, wait);
+ poll_wait(file, sk_sleep(sk), wait);
/* A TCP-style listening socket becomes readable when the accept queue
* is not empty.
static inline void __sctp_put_port(struct sock *sk)
{
struct sctp_bind_hashbucket *head =
- &sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->num)];
+ &sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->inet_num)];
struct sctp_bind_bucket *pp;
sctp_spin_lock(&head->lock);
pp = sctp_sk(sk)->bind_hash;
__sk_del_bind_node(sk);
sctp_sk(sk)->bind_hash = NULL;
- inet_sk(sk)->num = 0;
+ inet_sk(sk)->inet_num = 0;
sctp_bucket_destroy(pp);
sctp_spin_unlock(&head->lock);
}
/* Initialize a local sockaddr structure to INADDR_ANY. */
af = sctp_sk(sk)->pf->af;
- port = htons(inet_sk(sk)->num);
+ port = htons(inet_sk(sk)->inet_num);
af->inaddr_any(&autoaddr, port);
return sctp_do_bind(sk, &autoaddr, af->sockaddr_len);
int error;
DEFINE_WAIT(wait);
- prepare_to_wait_exclusive(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait_exclusive(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
/* Socket errors? */
error = sock_error(sk);
sctp_lock_sock(sk);
ready:
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
return 0;
interrupted:
error = sock_intr_errno(*timeo_p);
out:
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
*err = error;
return error;
}
wake_up_interruptible(&asoc->wait);
if (sctp_writeable(sk)) {
- if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
- wake_up_interruptible(sk->sk_sleep);
+ if (sk_sleep(sk) && waitqueue_active(sk_sleep(sk)))
+ wake_up_interruptible(sk_sleep(sk));
/* Note that we try to include the Async I/O support
* here by modeling from the current TCP/UDP code.
* We have not tested with it yet.
*/
- if (sock->fasync_list &&
+ if (sock->wq->fasync_list &&
!(sk->sk_shutdown & SEND_SHUTDOWN))
sock_wake_async(sock,
SOCK_WAKE_SPACE, POLL_OUT);
goto out;
}
+void sctp_data_ready(struct sock *sk, int len)
+{
+ struct socket_wq *wq;
+
+ rcu_read_lock();
+ wq = rcu_dereference(sk->sk_wq);
+ if (wq_has_sleeper(wq))
+ wake_up_interruptible_sync_poll(&wq->wait, POLLIN |
+ POLLRDNORM | POLLRDBAND);
+ sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
+ rcu_read_unlock();
+}
+
/* If socket sndbuf has changed, wake up all per association waiters. */
void sctp_write_space(struct sock *sk)
{
{
int amt = 0;
- amt = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+ amt = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amt < 0)
amt = 0;
return amt;
for (;;) {
- prepare_to_wait_exclusive(sk->sk_sleep, &wait,
+ prepare_to_wait_exclusive(sk_sleep(sk), &wait,
TASK_INTERRUPTIBLE);
if (list_empty(&ep->asocs)) {
break;
}
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
return err;
}
DEFINE_WAIT(wait);
do {
- prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
if (list_empty(&sctp_sk(sk)->ep->asocs))
break;
sctp_release_sock(sk);
sctp_lock_sock(sk);
} while (!signal_pending(current) && timeout);
- finish_wait(sk->sk_sleep, &wait);
-}
-
-static void sctp_sock_rfree_frag(struct sk_buff *skb)
-{
- struct sk_buff *frag;
-
- if (!skb->data_len)
- goto done;
-
- /* Don't forget the fragments. */
- for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next)
- sctp_sock_rfree_frag(frag);
-
-done:
- sctp_sock_rfree(skb);
+ finish_wait(sk_sleep(sk), &wait);
}
static void sctp_skb_set_owner_r_frag(struct sk_buff *skb, struct sock *sk)
goto done;
/* Don't forget the fragments. */
- for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next)
+ skb_walk_frags(skb, frag)
sctp_skb_set_owner_r_frag(frag, sk);
done:
struct sctp_association *asoc)
{
struct inet_sock *inet = inet_sk(sk);
- struct inet_sock *newinet = inet_sk(newsk);
+ struct inet_sock *newinet;
newsk->sk_type = sk->sk_type;
newsk->sk_bound_dev_if = sk->sk_bound_dev_if;
/* Initialize sk's sport, dport, rcv_saddr and daddr for
* getsockname() and getpeername()
*/
- newinet->sport = inet->sport;
- newinet->saddr = inet->saddr;
- newinet->rcv_saddr = inet->rcv_saddr;
- newinet->dport = htons(asoc->peer.port);
+ newinet->inet_sport = inet->inet_sport;
+ newinet->inet_saddr = inet->inet_saddr;
+ newinet->inet_rcv_saddr = inet->inet_rcv_saddr;
+ newinet->inet_dport = htons(asoc->peer.port);
newinet->pmtudisc = inet->pmtudisc;
- newinet->id = asoc->next_tsn ^ jiffies;
+ newinet->inet_id = asoc->next_tsn ^ jiffies;
newinet->uc_ttl = inet->uc_ttl;
newinet->mc_loop = 1;
newsp->hmac = NULL;
/* Hook this new socket in to the bind_hash list. */
- head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->num)];
+ head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->inet_num)];
sctp_local_bh_disable();
sctp_spin_lock(&head->lock);
pp = sctp_sk(oldsk)->bind_hash;
sk_add_bind_node(newsk, &pp->owner);
sctp_sk(newsk)->bind_hash = pp;
- inet_sk(newsk)->num = inet_sk(oldsk)->num;
+ inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num;
sctp_spin_unlock(&head->lock);
sctp_local_bh_enable();
sctp_skb_for_each(skb, &oldsk->sk_receive_queue, tmp) {
event = sctp_skb2event(skb);
if (event->asoc == assoc) {
- sctp_sock_rfree_frag(skb);
__skb_unlink(skb, &oldsk->sk_receive_queue);
__skb_queue_tail(&newsk->sk_receive_queue, skb);
sctp_skb_set_owner_r_frag(skb, newsk);
sctp_skb_for_each(skb, &oldsp->pd_lobby, tmp) {
event = sctp_skb2event(skb);
if (event->asoc == assoc) {
- sctp_sock_rfree_frag(skb);
__skb_unlink(skb, &oldsp->pd_lobby);
__skb_queue_tail(queue, skb);
sctp_skb_set_owner_r_frag(skb, newsk);
}
- sctp_skb_for_each(skb, &assoc->ulpq.reasm, tmp) {
- sctp_sock_rfree_frag(skb);
+ sctp_skb_for_each(skb, &assoc->ulpq.reasm, tmp)
sctp_skb_set_owner_r_frag(skb, newsk);
- }
- sctp_skb_for_each(skb, &assoc->ulpq.lobby, tmp) {
- sctp_sock_rfree_frag(skb);
+ sctp_skb_for_each(skb, &assoc->ulpq.lobby, tmp)
sctp_skb_set_owner_r_frag(skb, newsk);
- }
/* Set the type of socket to indicate that it is peeled off from the
* original UDP-style socket or created with the accept() call on a
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff