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path: root/net/decnet/dn_nsp_out.c
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Diffstat (limited to 'net/decnet/dn_nsp_out.c')
-rw-r--r--net/decnet/dn_nsp_out.c157
1 files changed, 76 insertions, 81 deletions
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index c96c767b1f7..1aaa51ebbda 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -1,4 +1,3 @@
-
/*
* DECnet An implementation of the DECnet protocol suite for the LINUX
* operating system. DECnet is implemented using the BSD Socket
@@ -26,7 +25,7 @@
/******************************************************************************
(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
@@ -43,7 +42,6 @@
#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>
@@ -51,11 +49,11 @@
#include <linux/netdevice.h>
#include <linux/inet.h>
#include <linux/route.h>
+#include <linux/slab.h>
#include <net/sock.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>
@@ -78,26 +76,26 @@ static void dn_nsp_send(struct sk_buff *skb)
struct sock *sk = skb->sk;
struct dn_scp *scp = DN_SK(sk);
struct dst_entry *dst;
- struct flowi fl;
+ struct flowidn fld;
- skb->h.raw = skb->data;
+ skb_reset_transport_header(skb);
scp->stamp = jiffies;
dst = sk_dst_check(sk, 0);
if (dst) {
try_again:
- skb->dst = dst;
+ skb_dst_set(skb, dst);
dst_output(skb);
return;
}
- memset(&fl, 0, sizeof(fl));
- fl.oif = sk->sk_bound_dev_if;
- fl.fld_src = dn_saddr2dn(&scp->addr);
- fl.fld_dst = dn_saddr2dn(&scp->peer);
- dn_sk_ports_copy(&fl, scp);
- fl.proto = DNPROTO_NSP;
- if (dn_route_output_sock(&sk->sk_dst_cache, &fl, sk, 0) == 0) {
+ memset(&fld, 0, sizeof(fld));
+ fld.flowidn_oif = sk->sk_bound_dev_if;
+ fld.saddr = dn_saddr2dn(&scp->addr);
+ fld.daddr = dn_saddr2dn(&scp->peer);
+ dn_sk_ports_copy(&fld, scp);
+ fld.flowidn_proto = DNPROTO_NSP;
+ if (dn_route_output_sock(&sk->sk_dst_cache, &fld, sk, 0) == 0) {
dst = sk_dst_get(sk);
sk->sk_route_caps = dst->dev->features;
goto try_again;
@@ -125,7 +123,7 @@ struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri)
if ((skb = alloc_skb(size + hdr, pri)) == NULL)
return NULL;
- skb->protocol = __constant_htons(ETH_P_DNA_RT);
+ skb->protocol = htons(ETH_P_DNA_RT);
skb->pkt_type = PACKET_OUTGOING;
if (sk)
@@ -176,14 +174,14 @@ static void dn_nsp_rtt(struct sock *sk, long rtt)
* gathering this value might turn out negative, so we make sure
* that is it always positive here.
*/
- if (rtt < 0)
+ if (rtt < 0)
rtt = -rtt;
/*
* Add new rtt to smoothed average
*/
delta = ((rtt << 3) - srtt);
srtt += (delta >> 3);
- if (srtt >= 1)
+ if (srtt >= 1)
scp->nsp_srtt = (unsigned long)srtt;
else
scp->nsp_srtt = 1;
@@ -193,7 +191,7 @@ static void dn_nsp_rtt(struct sock *sk, long rtt)
*/
delta >>= 1;
rttvar += ((((delta>0)?(delta):(-delta)) - rttvar) >> 2);
- if (rttvar >= 1)
+ if (rttvar >= 1)
scp->nsp_rttvar = (unsigned long)rttvar;
else
scp->nsp_rttvar = 1;
@@ -210,7 +208,7 @@ static void dn_nsp_rtt(struct sock *sk, long rtt)
*
* Returns: The number of times the packet has been sent previously
*/
-static inline unsigned dn_nsp_clone_and_send(struct sk_buff *skb,
+static inline unsigned int dn_nsp_clone_and_send(struct sk_buff *skb,
gfp_t gfp)
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
@@ -231,7 +229,6 @@ static inline unsigned dn_nsp_clone_and_send(struct sk_buff *skb,
/**
* dn_nsp_output - Try and send something from socket queues
* @sk: The socket whose queues are to be investigated
- * @gfp: The memory allocation flags
*
* Try and send the packet on the end of the data and other data queues.
* Other data gets priority over data, and if we retransmit a packet we
@@ -242,7 +239,7 @@ void dn_nsp_output(struct sock *sk)
{
struct dn_scp *scp = DN_SK(sk);
struct sk_buff *skb;
- unsigned reduce_win = 0;
+ unsigned int reduce_win = 0;
/*
* First we check for otherdata/linkservice messages
@@ -287,26 +284,26 @@ int dn_nsp_xmit_timeout(struct sock *sk)
return 0;
}
-static inline unsigned char *dn_mk_common_header(struct dn_scp *scp, struct sk_buff *skb, unsigned char msgflag, int len)
+static inline __le16 *dn_mk_common_header(struct dn_scp *scp, struct sk_buff *skb, unsigned char msgflag, int len)
{
unsigned char *ptr = skb_push(skb, len);
BUG_ON(len < 5);
*ptr++ = msgflag;
- *((unsigned short *)ptr) = scp->addrrem;
+ *((__le16 *)ptr) = scp->addrrem;
ptr += 2;
- *((unsigned short *)ptr) = scp->addrloc;
+ *((__le16 *)ptr) = scp->addrloc;
ptr += 2;
- return ptr;
+ return (__le16 __force *)ptr;
}
-static unsigned short *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned char msgflag, int hlen, int other)
+static __le16 *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned char msgflag, int hlen, int other)
{
struct dn_scp *scp = DN_SK(sk);
unsigned short acknum = scp->numdat_rcv & 0x0FFF;
unsigned short ackcrs = scp->numoth_rcv & 0x0FFF;
- unsigned short *ptr;
+ __le16 *ptr;
BUG_ON(hlen < 9);
@@ -325,19 +322,19 @@ static unsigned short *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, un
/* Set "cross subchannel" bit in ackcrs */
ackcrs |= 0x2000;
- ptr = (unsigned short *)dn_mk_common_header(scp, skb, msgflag, hlen);
+ ptr = dn_mk_common_header(scp, skb, msgflag, hlen);
- *ptr++ = dn_htons(acknum);
- *ptr++ = dn_htons(ackcrs);
+ *ptr++ = cpu_to_le16(acknum);
+ *ptr++ = cpu_to_le16(ackcrs);
return ptr;
}
-static unsigned short *dn_nsp_mk_data_header(struct sock *sk, struct sk_buff *skb, int oth)
+static __le16 *dn_nsp_mk_data_header(struct sock *sk, struct sk_buff *skb, int oth)
{
struct dn_scp *scp = DN_SK(sk);
struct dn_skb_cb *cb = DN_SKB_CB(skb);
- unsigned short *ptr = dn_mk_ack_header(sk, skb, cb->nsp_flags, 11, oth);
+ __le16 *ptr = dn_mk_ack_header(sk, skb, cb->nsp_flags, 11, oth);
if (unlikely(oth)) {
cb->segnum = scp->numoth;
@@ -346,7 +343,7 @@ static unsigned short *dn_nsp_mk_data_header(struct sock *sk, struct sk_buff *sk
cb->segnum = scp->numdat;
seq_add(&scp->numdat, 1);
}
- *(ptr++) = dn_htons(cb->segnum);
+ *(ptr++) = cpu_to_le16(cb->segnum);
return ptr;
}
@@ -384,7 +381,7 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
struct dn_scp *scp = DN_SK(sk);
- struct sk_buff *skb2, *list, *ack = NULL;
+ struct sk_buff *skb2, *n, *ack = NULL;
int wakeup = 0;
int try_retrans = 0;
unsigned long reftime = cb->stamp;
@@ -392,9 +389,7 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
unsigned short xmit_count;
unsigned short segnum;
- skb2 = q->next;
- list = (struct sk_buff *)q;
- while(list != skb2) {
+ skb_queue_walk_safe(q, skb2, n) {
struct dn_skb_cb *cb2 = DN_SKB_CB(skb2);
if (dn_before_or_equal(cb2->segnum, acknum))
@@ -402,8 +397,6 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
/* printk(KERN_DEBUG "ack: %s %04x %04x\n", ack ? "ACK" : "SKIP", (int)cb2->segnum, (int)acknum); */
- skb2 = skb2->next;
-
if (ack == NULL)
continue;
@@ -434,7 +427,7 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
* further.
*/
if (xmit_count == 1) {
- if (dn_equal(segnum, acknum))
+ if (dn_equal(segnum, acknum))
dn_nsp_rtt(sk, (long)(pkttime - reftime));
if (scp->snd_window < scp->max_window)
@@ -486,16 +479,16 @@ void dn_send_conn_ack (struct sock *sk)
{
struct dn_scp *scp = DN_SK(sk);
struct sk_buff *skb = NULL;
- struct nsp_conn_ack_msg *msg;
+ struct nsp_conn_ack_msg *msg;
if ((skb = dn_alloc_skb(sk, 3, sk->sk_allocation)) == NULL)
return;
- msg = (struct nsp_conn_ack_msg *)skb_put(skb, 3);
- msg->msgflg = 0x24;
+ msg = (struct nsp_conn_ack_msg *)skb_put(skb, 3);
+ msg->msgflg = 0x24;
msg->dstaddr = scp->addrrem;
- dn_nsp_send(skb);
+ dn_nsp_send(skb);
}
void dn_nsp_delayed_ack(struct sock *sk)
@@ -523,25 +516,25 @@ void dn_send_conn_conf(struct sock *sk, gfp_t gfp)
{
struct dn_scp *scp = DN_SK(sk);
struct sk_buff *skb = NULL;
- struct nsp_conn_init_msg *msg;
- unsigned char len = scp->conndata_out.opt_optl;
+ struct nsp_conn_init_msg *msg;
+ __u8 len = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);
- if ((skb = dn_alloc_skb(sk, 50 + scp->conndata_out.opt_optl, gfp)) == NULL)
+ if ((skb = dn_alloc_skb(sk, 50 + len, gfp)) == NULL)
return;
- msg = (struct nsp_conn_init_msg *)skb_put(skb, sizeof(*msg));
- msg->msgflg = 0x28;
+ msg = (struct nsp_conn_init_msg *)skb_put(skb, sizeof(*msg));
+ msg->msgflg = 0x28;
msg->dstaddr = scp->addrrem;
- msg->srcaddr = scp->addrloc;
- msg->services = scp->services_loc;
- msg->info = scp->info_loc;
- msg->segsize = dn_htons(scp->segsize_loc);
+ msg->srcaddr = scp->addrloc;
+ msg->services = scp->services_loc;
+ msg->info = scp->info_loc;
+ msg->segsize = cpu_to_le16(scp->segsize_loc);
*skb_put(skb,1) = len;
- if (len > 0)
+ if (len > 0)
memcpy(skb_put(skb, len), scp->conndata_out.opt_data, len);
-
+
dn_nsp_send(skb);
@@ -550,18 +543,18 @@ void dn_send_conn_conf(struct sock *sk, gfp_t gfp)
}
-static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
+static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
unsigned short reason, gfp_t gfp,
struct dst_entry *dst,
- int ddl, unsigned char *dd, __u16 rem, __u16 loc)
+ int ddl, unsigned char *dd, __le16 rem, __le16 loc)
{
struct sk_buff *skb = NULL;
int size = 7 + ddl + ((msgflg == NSP_DISCINIT) ? 1 : 0);
unsigned char *msg;
if ((dst == NULL) || (rem == 0)) {
- if (net_ratelimit())
- printk(KERN_DEBUG "DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n", (unsigned)rem, dst);
+ net_dbg_ratelimited("DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n",
+ le16_to_cpu(rem), dst);
return;
}
@@ -570,11 +563,11 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
msg = skb_put(skb, size);
*msg++ = msgflg;
- *(__u16 *)msg = rem;
+ *(__le16 *)msg = rem;
msg += 2;
- *(__u16 *)msg = loc;
+ *(__le16 *)msg = loc;
msg += 2;
- *(__u16 *)msg = dn_htons(reason);
+ *(__le16 *)msg = cpu_to_le16(reason);
msg += 2;
if (msgflg == NSP_DISCINIT)
*msg++ = ddl;
@@ -588,36 +581,36 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
* to be able to send disc packets out which have no socket
* associations.
*/
- skb->dst = dst_clone(dst);
+ skb_dst_set(skb, dst_clone(dst));
dst_output(skb);
}
-void dn_nsp_send_disc(struct sock *sk, unsigned char msgflg,
+void dn_nsp_send_disc(struct sock *sk, unsigned char msgflg,
unsigned short reason, gfp_t gfp)
{
struct dn_scp *scp = DN_SK(sk);
int ddl = 0;
if (msgflg == NSP_DISCINIT)
- ddl = scp->discdata_out.opt_optl;
+ ddl = le16_to_cpu(scp->discdata_out.opt_optl);
if (reason == 0)
- reason = scp->discdata_out.opt_status;
+ reason = le16_to_cpu(scp->discdata_out.opt_status);
- dn_nsp_do_disc(sk, msgflg, reason, gfp, sk->sk_dst_cache, ddl,
+ dn_nsp_do_disc(sk, msgflg, reason, gfp, __sk_dst_get(sk), ddl,
scp->discdata_out.opt_data, scp->addrrem, scp->addrloc);
}
-void dn_nsp_return_disc(struct sk_buff *skb, unsigned char msgflg,
+void dn_nsp_return_disc(struct sk_buff *skb, unsigned char msgflg,
unsigned short reason)
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
int ddl = 0;
gfp_t gfp = GFP_ATOMIC;
- dn_nsp_do_disc(NULL, msgflg, reason, gfp, skb->dst, ddl,
+ dn_nsp_do_disc(NULL, msgflg, reason, gfp, skb_dst(skb), ddl,
NULL, cb->src_port, cb->dst_port);
}
@@ -676,14 +669,16 @@ void dn_nsp_send_conninit(struct sock *sk, unsigned char msgflg)
msg->srcaddr = scp->addrloc;
msg->services = scp->services_loc; /* Requested flow control */
- msg->info = scp->info_loc; /* Version Number */
- msg->segsize = dn_htons(scp->segsize_loc); /* Max segment size */
+ msg->info = scp->info_loc; /* Version Number */
+ msg->segsize = cpu_to_le16(scp->segsize_loc); /* Max segment size */
if (scp->peer.sdn_objnum)
type = 0;
- skb_put(skb, dn_sockaddr2username(&scp->peer, skb->tail, type));
- skb_put(skb, dn_sockaddr2username(&scp->addr, skb->tail, 2));
+ skb_put(skb, dn_sockaddr2username(&scp->peer,
+ skb_tail_pointer(skb), type));
+ skb_put(skb, dn_sockaddr2username(&scp->addr,
+ skb_tail_pointer(skb), 2));
menuver = DN_MENUVER_ACC | DN_MENUVER_USR;
if (scp->peer.sdn_flags & SDF_PROXY)
@@ -692,32 +687,32 @@ void dn_nsp_send_conninit(struct sock *sk, unsigned char msgflg)
menuver |= DN_MENUVER_UIC;
*skb_put(skb, 1) = menuver; /* Menu Version */
-
+
aux = scp->accessdata.acc_userl;
*skb_put(skb, 1) = aux;
if (aux > 0)
- memcpy(skb_put(skb, aux), scp->accessdata.acc_user, aux);
+ memcpy(skb_put(skb, aux), scp->accessdata.acc_user, aux);
aux = scp->accessdata.acc_passl;
*skb_put(skb, 1) = aux;
if (aux > 0)
- memcpy(skb_put(skb, aux), scp->accessdata.acc_pass, aux);
+ memcpy(skb_put(skb, aux), scp->accessdata.acc_pass, aux);
aux = scp->accessdata.acc_accl;
*skb_put(skb, 1) = aux;
if (aux > 0)
- memcpy(skb_put(skb, aux), scp->accessdata.acc_acc, aux);
+ memcpy(skb_put(skb, aux), scp->accessdata.acc_acc, aux);
- aux = scp->conndata_out.opt_optl;
+ aux = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);
*skb_put(skb, 1) = aux;
if (aux > 0)
- memcpy(skb_put(skb,aux), scp->conndata_out.opt_data, aux);
+ memcpy(skb_put(skb, aux), scp->conndata_out.opt_data, aux);
scp->persist = dn_nsp_persist(sk);
scp->persist_fxn = dn_nsp_retrans_conninit;
cb->rt_flags = DN_RT_F_RQR;
- dn_nsp_send(skb);
+ dn_nsp_send(skb);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 19:16:16 +0000