aboutsummaryrefslogtreecommitdiff
path: root/net/ipv4/raw.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/raw.c')
-rw-r--r--net/ipv4/raw.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index a3002fe65b7..37a1ecd9d60 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -81,41 +81,34 @@
#include <linux/netfilter_ipv4.h>
static struct raw_hashinfo raw_v4_hashinfo = {
- .lock = __RW_LOCK_UNLOCKED(),
+ .lock = __RW_LOCK_UNLOCKED(raw_v4_hashinfo.lock),
};
-void raw_hash_sk(struct sock *sk, struct raw_hashinfo *h)
+void raw_hash_sk(struct sock *sk)
{
+ struct raw_hashinfo *h = sk->sk_prot->h.raw_hash;
struct hlist_head *head;
head = &h->ht[inet_sk(sk)->num & (RAW_HTABLE_SIZE - 1)];
write_lock_bh(&h->lock);
sk_add_node(sk, head);
- sock_prot_inuse_add(sk->sk_prot, 1);
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
write_unlock_bh(&h->lock);
}
EXPORT_SYMBOL_GPL(raw_hash_sk);
-void raw_unhash_sk(struct sock *sk, struct raw_hashinfo *h)
+void raw_unhash_sk(struct sock *sk)
{
+ struct raw_hashinfo *h = sk->sk_prot->h.raw_hash;
+
write_lock_bh(&h->lock);
if (sk_del_node_init(sk))
- sock_prot_inuse_add(sk->sk_prot, -1);
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
write_unlock_bh(&h->lock);
}
EXPORT_SYMBOL_GPL(raw_unhash_sk);
-static void raw_v4_hash(struct sock *sk)
-{
- raw_hash_sk(sk, &raw_v4_hashinfo);
-}
-
-static void raw_v4_unhash(struct sock *sk)
-{
- raw_unhash_sk(sk, &raw_v4_hashinfo);
-}
-
static struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
unsigned short num, __be32 raddr, __be32 laddr, int dif)
{
@@ -124,7 +117,7 @@ static struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
sk_for_each_from(sk, node) {
struct inet_sock *inet = inet_sk(sk);
- if (sk->sk_net == net && inet->num == num &&
+ if (net_eq(sock_net(sk), net) && inet->num == num &&
!(inet->daddr && inet->daddr != raddr) &&
!(inet->rcv_saddr && inet->rcv_saddr != laddr) &&
!(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
@@ -175,7 +168,7 @@ static int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash)
if (hlist_empty(head))
goto out;
- net = skb->dev->nd_net;
+ net = dev_net(skb->dev);
sk = __raw_v4_lookup(net, __sk_head(head), iph->protocol,
iph->saddr, iph->daddr,
skb->dev->ifindex);
@@ -283,7 +276,7 @@ void raw_icmp_error(struct sk_buff *skb, int protocol, u32 info)
raw_sk = sk_head(&raw_v4_hashinfo.ht[hash]);
if (raw_sk != NULL) {
iph = (struct iphdr *)skb->data;
- net = skb->dev->nd_net;
+ net = dev_net(skb->dev);
while ((raw_sk = __raw_v4_lookup(net, raw_sk, protocol,
iph->daddr, iph->saddr,
@@ -329,7 +322,6 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
unsigned int flags)
{
struct inet_sock *inet = inet_sk(sk);
- int hh_len;
struct iphdr *iph;
struct sk_buff *skb;
unsigned int iphlen;
@@ -343,13 +335,12 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
if (flags&MSG_PROBE)
goto out;
- hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
-
- skb = sock_alloc_send_skb(sk, length+hh_len+15,
- flags&MSG_DONTWAIT, &err);
+ skb = sock_alloc_send_skb(sk,
+ length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
+ flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto error;
- skb_reserve(skb, hh_len);
+ skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
@@ -506,7 +497,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
ipc.oif = sk->sk_bound_dev_if;
if (msg->msg_controllen) {
- err = ip_cmsg_send(msg, &ipc);
+ err = ip_cmsg_send(sock_net(sk), msg, &ipc);
if (err)
goto out;
if (ipc.opt)
@@ -560,7 +551,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
}
security_sk_classify_flow(sk, &fl);
- err = ip_route_output_flow(&init_net, &rt, &fl, sk, 1);
+ err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 1);
}
if (err)
goto done;
@@ -617,6 +608,14 @@ static void raw_close(struct sock *sk, long timeout)
sk_common_release(sk);
}
+static int raw_destroy(struct sock *sk)
+{
+ lock_sock(sk);
+ ip_flush_pending_frames(sk);
+ release_sock(sk);
+ return 0;
+}
+
/* This gets rid of all the nasties in af_inet. -DaveM */
static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
@@ -627,7 +626,7 @@ static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in))
goto out;
- chk_addr_ret = inet_addr_type(sk->sk_net, addr->sin_addr.s_addr);
+ chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
ret = -EADDRNOTAVAIL;
if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
@@ -825,12 +824,11 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
}
}
-DEFINE_PROTO_INUSE(raw)
-
struct proto raw_prot = {
.name = "RAW",
.owner = THIS_MODULE,
.close = raw_close,
+ .destroy = raw_destroy,
.connect = ip4_datagram_connect,
.disconnect = udp_disconnect,
.ioctl = raw_ioctl,
@@ -841,14 +839,14 @@ struct proto raw_prot = {
.recvmsg = raw_recvmsg,
.bind = raw_bind,
.backlog_rcv = raw_rcv_skb,
- .hash = raw_v4_hash,
- .unhash = raw_v4_unhash,
+ .hash = raw_hash_sk,
+ .unhash = raw_unhash_sk,
.obj_size = sizeof(struct raw_sock),
+ .h.raw_hash = &raw_v4_hashinfo,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_raw_setsockopt,
.compat_getsockopt = compat_raw_getsockopt,
#endif
- REF_PROTO_INUSE(raw)
};
#ifdef CONFIG_PROC_FS
@@ -862,7 +860,7 @@ static struct sock *raw_get_first(struct seq_file *seq)
struct hlist_node *node;
sk_for_each(sk, node, &state->h->ht[state->bucket])
- if (sk->sk_net == state->p.net)
+ if (sock_net(sk) == seq_file_net(seq))
goto found;
}
sk = NULL;
@@ -878,7 +876,7 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
sk = sk_next(sk);
try_again:
;
- } while (sk && sk->sk_net != state->p.net);
+ } while (sk && sock_net(sk) != seq_file_net(seq));
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]);
@@ -936,7 +934,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
srcp = inet->num;
seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d",
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
i, src, srcp, dest, destp, sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-03 04:13:33 +0000