/******************************************************************************
(c) 1995-1998 E.M. Serrat emserrat@geocities.com
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/sockios.h>
#include <asm/system.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
-#include <linux/termios.h>
+#include <linux/termios.h>
#include <linux/interrupt.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
ptr++;
len += 2;
if ((ack & 0x4000) == 0) {
- if (oth)
+ if (oth)
ack ^= 0x2000;
dn_ack(sk, skb, ack);
}
skb_pull(skb, 2);
len += 2;
if ((ack & 0x4000) == 0) {
- if (oth)
+ if (oth)
ack ^= 0x2000;
dn_ack(sk, skb, ack);
}
if ((scp->state == DN_CI) || (scp->state == DN_CD)) {
scp->persist = 0;
- scp->addrrem = cb->src_port;
- sk->sk_state = TCP_ESTABLISHED;
- scp->state = DN_RUN;
+ scp->addrrem = cb->src_port;
+ sk->sk_state = TCP_ESTABLISHED;
+ scp->state = DN_RUN;
scp->services_rem = cb->services;
scp->info_rem = cb->info;
scp->segsize_rem = cb->segsize;
u16 dlen = *skb->data;
if ((dlen <= 16) && (dlen <= skb->len)) {
scp->conndata_in.opt_optl = dn_htons(dlen);
- memcpy(scp->conndata_in.opt_data, skb->data + 1, dlen);
+ skb_copy_from_linear_data_offset(skb, 1,
+ scp->conndata_in.opt_data, dlen);
}
}
- dn_nsp_send_link(sk, DN_NOCHANGE, 0);
- if (!sock_flag(sk, SOCK_DEAD))
- sk->sk_state_change(sk);
- }
+ dn_nsp_send_link(sk, DN_NOCHANGE, 0);
+ if (!sock_flag(sk, SOCK_DEAD))
+ sk->sk_state_change(sk);
+ }
out:
- kfree_skb(skb);
+ kfree_skb(skb);
}
static void dn_nsp_conn_ack(struct sock *sk, struct sk_buff *skb)
u16 dlen = *skb->data;
if ((dlen <= 16) && (dlen <= skb->len)) {
scp->discdata_in.opt_optl = dn_htons(dlen);
- memcpy(scp->discdata_in.opt_data, skb->data + 1, dlen);
+ skb_copy_from_linear_data_offset(skb, 1, scp->discdata_in.opt_data, dlen);
}
}
sk->sk_state_change(sk);
}
- /*
+ /*
* It appears that its possible for remote machines to send disc
* init messages with no port identifier if we are in the CI and
* possibly also the CD state. Obviously we shouldn't reply with
/*
* Here we ignore erronous packets which should really
- * should cause a connection abort. It is not critical
+ * should cause a connection abort. It is not critical
* for now though.
*/
if (lsflags & 0xf8)
switch(lsflags & 0x04) { /* FCVAL INT */
case 0x00: /* Normal Request */
switch(lsflags & 0x03) { /* FCVAL MOD */
- case 0x00: /* Request count */
+ case 0x00: /* Request count */
if (fcval < 0) {
unsigned char p_fcval = -fcval;
if ((scp->flowrem_dat > p_fcval) &&
scp->flowrem_dat += fcval;
wake_up = 1;
}
- break;
+ break;
case 0x01: /* Stop outgoing data */
scp->flowrem_sw = DN_DONTSEND;
break;
wake_up = 1;
}
break;
- }
+ }
if (wake_up && !sock_flag(sk, SOCK_DEAD))
sk->sk_state_change(sk);
- }
+ }
dn_nsp_send_oth_ack(sk);
static __inline__ int dn_queue_skb(struct sock *sk, struct sk_buff *skb, int sig, struct sk_buff_head *queue)
{
int err;
-
- /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
- number of warnings when compiling with -W --ANK
- */
- if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
+
+ /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
+ number of warnings when compiling with -W --ANK
+ */
+ if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
(unsigned)sk->sk_rcvbuf) {
- err = -ENOMEM;
- goto out;
- }
+ err = -ENOMEM;
+ goto out;
+ }
err = sk_filter(sk, skb);
if (err)
goto out;
- skb_set_owner_r(skb, sk);
- skb_queue_tail(queue, skb);
+ skb_set_owner_r(skb, sk);
+ skb_queue_tail(queue, skb);
/* This code only runs from BH or BH protected context.
* Therefore the plain read_lock is ok here. -DaveM
*/
read_lock(&sk->sk_callback_lock);
- if (!sock_flag(sk, SOCK_DEAD)) {
+ if (!sock_flag(sk, SOCK_DEAD)) {
struct socket *sock = sk->sk_socket;
wake_up_interruptible(sk->sk_sleep);
if (sock && sock->fasync_list &&
!test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
- __kill_fasync(sock->fasync_list, sig,
+ __kill_fasync(sock->fasync_list, sig,
(sig == SIGURG) ? POLL_PRI : POLL_IN);
}
read_unlock(&sk->sk_callback_lock);
out:
- return err;
+ return err;
}
static void dn_nsp_otherdata(struct sock *sk, struct sk_buff *skb)
skb_pull(skb, 2);
if (seq_next(scp->numdat_rcv, segnum)) {
- if (dn_queue_skb(sk, skb, SIGIO, &sk->sk_receive_queue) == 0) {
+ if (dn_queue_skb(sk, skb, SIGIO, &sk->sk_receive_queue) == 0) {
seq_add(&scp->numdat_rcv, 1);
- queued = 1;
- }
+ queued = 1;
+ }
if ((scp->flowloc_sw == DN_SEND) && dn_congested(sk)) {
scp->flowloc_sw = DN_DONTSEND;
dn_nsp_send_link(sk, DN_DONTSEND, 0);
}
- }
+ }
dn_nsp_send_data_ack(sk);
out:
if (!pskb_may_pull(skb, 2))
goto free_out;
- skb->h.raw = skb->data;
+ skb_reset_transport_header(skb);
cb->nsp_flags = *ptr++;
if (decnet_debug_level & 2)
printk(KERN_DEBUG "dn_nsp_rx: Message type 0x%02x\n", (int)cb->nsp_flags);
- if (cb->nsp_flags & 0x83)
+ if (cb->nsp_flags & 0x83)
goto free_out;
/*
goto free_out;
}
- return sk_receive_skb(sk, skb);
+ return sk_receive_skb(sk, skb, 0);
}
return dn_nsp_no_socket(skb, reason);
case 0x30:
dn_nsp_disc_init(sk, skb);
break;
- case 0x40:
+ case 0x40:
dn_nsp_disc_conf(sk, skb);
break;
}