* The eventual aim is for each socket to have a cached header size
* for its outgoing packets, and to set hdr from this when sk != NULL.
*/
-struct sk_buff *dn_alloc_skb(struct sock *sk, int size, int pri)
+struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri)
{
struct sk_buff *skb;
int hdr = 64;
return skb;
}
-/*
- * Wrapper for the above, for allocs of data skbs. We try and get the
- * whole size thats been asked for (plus 11 bytes of header). If this
- * fails, then we try for any size over 16 bytes for SOCK_STREAMS.
- */
-struct sk_buff *dn_alloc_send_skb(struct sock *sk, size_t *size, int noblock, long timeo, int *err)
-{
- int space;
- int len;
- struct sk_buff *skb = NULL;
-
- *err = 0;
-
- while(skb == NULL) {
- if (signal_pending(current)) {
- *err = sock_intr_errno(timeo);
- break;
- }
-
- if (sk->sk_shutdown & SEND_SHUTDOWN) {
- *err = EINVAL;
- break;
- }
-
- if (sk->sk_err)
- break;
-
- len = *size + 11;
- space = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
-
- if (space < len) {
- if ((sk->sk_socket->type == SOCK_STREAM) &&
- (space >= (16 + 11)))
- len = space;
- }
-
- if (space < len) {
- set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
- if (noblock) {
- *err = EWOULDBLOCK;
- break;
- }
-
- clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
- SOCK_SLEEP_PRE(sk)
-
- if ((sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc)) <
- len)
- schedule();
-
- SOCK_SLEEP_POST(sk)
- continue;
- }
-
- if ((skb = dn_alloc_skb(sk, len, sk->sk_allocation)) == NULL)
- continue;
-
- *size = len - 11;
- }
-
- return skb;
-}
-
/*
* Calculate persist timer based upon the smoothed round
* trip time and the variance. Backoff according to the
*
* Returns: The number of times the packet has been sent previously
*/
-static inline unsigned dn_nsp_clone_and_send(struct sk_buff *skb, int gfp)
+static inline unsigned dn_nsp_clone_and_send(struct sk_buff *skb,
+ gfp_t gfp)
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
struct sk_buff *skb2;
dn_nsp_output(sk);
- if (skb_queue_len(&scp->data_xmit_queue) || skb_queue_len(&scp->other_xmit_queue))
+ if (!skb_queue_empty(&scp->data_xmit_queue) ||
+ !skb_queue_empty(&scp->other_xmit_queue))
scp->persist = dn_nsp_persist(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);
/* Set "cross subchannel" bit in ackcrs */
ackcrs |= 0x2000;
- ptr = (unsigned short *)dn_mk_common_header(scp, skb, msgflag, hlen);
+ ptr = (__le16 *)dn_mk_common_header(scp, skb, msgflag, hlen);
*ptr++ = dn_htons(acknum);
*ptr++ = dn_htons(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;
return ptr;
}
-void dn_nsp_queue_xmit(struct sock *sk, struct sk_buff *skb, int gfp, int oth)
+void dn_nsp_queue_xmit(struct sock *sk, struct sk_buff *skb,
+ gfp_t gfp, int oth)
{
struct dn_scp *scp = DN_SK(sk);
struct dn_skb_cb *cb = DN_SKB_CB(skb);
xmit_count = cb2->xmit_count;
segnum = cb2->segnum;
/* Remove and drop ack'ed packet */
- skb_unlink(ack);
+ skb_unlink(ack, q);
kfree_skb(ack);
ack = NULL;
return 0;
}
-void dn_send_conn_conf(struct sock *sk, int gfp)
+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;
+ __u8 len = (__u8)dn_ntohs(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 + dn_ntohs(scp->conndata_out.opt_optl), gfp)) == NULL)
return;
msg = (struct nsp_conn_init_msg *)skb_put(skb, sizeof(*msg));
static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
- unsigned short reason, int gfp, struct dst_entry *dst,
- int ddl, unsigned char *dd, __u16 rem, __u16 loc)
+ unsigned short reason, gfp_t gfp,
+ struct dst_entry *dst,
+ int ddl, unsigned char *dd, __le16 rem, __le16 loc)
{
struct sk_buff *skb = NULL;
int size = 7 + ddl + ((msgflg == NSP_DISCINIT) ? 1 : 0);
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);
+ printk(KERN_DEBUG "DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n", dn_ntohs(rem), dst);
return;
}
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 = dn_htons(reason);
msg += 2;
if (msgflg == NSP_DISCINIT)
*msg++ = ddl;
void dn_nsp_send_disc(struct sock *sk, unsigned char msgflg,
- unsigned short reason, int gfp)
+ 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 = dn_ntohs(scp->discdata_out.opt_optl);
if (reason == 0)
- reason = scp->discdata_out.opt_status;
+ reason = dn_ntohs(scp->discdata_out.opt_status);
dn_nsp_do_disc(sk, msgflg, reason, gfp, sk->sk_dst_cache, ddl,
scp->discdata_out.opt_data, scp->addrrem, scp->addrloc);
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
int ddl = 0;
- int gfp = GFP_ATOMIC;
+ gfp_t gfp = GFP_ATOMIC;
dn_nsp_do_disc(NULL, msgflg, reason, gfp, skb->dst, ddl,
NULL, cb->src_port, cb->dst_port);
struct dn_scp *scp = DN_SK(sk);
struct sk_buff *skb;
unsigned char *ptr;
- int gfp = GFP_ATOMIC;
+ gfp_t gfp = GFP_ATOMIC;
if ((skb = dn_alloc_skb(sk, DN_MAX_NSP_DATA_HEADER + 2, gfp)) == NULL)
return;
unsigned char menuver;
struct dn_skb_cb *cb;
unsigned char type = 1;
- int allocation = (msgflg == NSP_CI) ? sk->sk_allocation : GFP_ATOMIC;
+ gfp_t allocation = (msgflg == NSP_CI) ? sk->sk_allocation : GFP_ATOMIC;
struct sk_buff *skb = dn_alloc_skb(sk, 200, allocation);
if (!skb)
if (aux > 0)
memcpy(skb_put(skb, aux), scp->accessdata.acc_acc, aux);
- aux = scp->conndata_out.opt_optl;
+ aux = (__u8)dn_ntohs(scp->conndata_out.opt_optl);
*skb_put(skb, 1) = aux;
if (aux > 0)
memcpy(skb_put(skb,aux), scp->conndata_out.opt_data, aux);
git://git.onelab.eu / linux-2.6.git / blobdiff