mirror of
https://github.com/adulau/aha.git
synced 2024-12-29 12:16:20 +00:00
[DCCP] ccid2: coding style cleanups
No changes in the logic where made. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
David S. Miller
parent
45329e71ee
commit
c0c736db7e
1 changed files with 26 additions and 50 deletions
|
|
@ -37,10 +37,7 @@
|
|||
|
||||
static int ccid2_debug;
|
||||
|
||||
#if 0
|
||||
#define CCID2_DEBUG
|
||||
#endif
|
||||
|
||||
#undef CCID2_DEBUG
|
||||
#ifdef CCID2_DEBUG
|
||||
#define ccid2_pr_debug(format, a...) \
|
||||
do { if (ccid2_debug) \
|
||||
|
|
@ -56,10 +53,8 @@ static const int ccid2_seq_len = 128;
|
|||
static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
|
||||
{
|
||||
int len = 0;
|
||||
struct ccid2_seq *seqp;
|
||||
int pipe = 0;
|
||||
|
||||
seqp = hctx->ccid2hctx_seqh;
|
||||
struct ccid2_seq *seqp = hctx->ccid2hctx_seqh;
|
||||
|
||||
/* there is data in the chain */
|
||||
if (seqp != hctx->ccid2hctx_seqt) {
|
||||
|
|
@ -69,9 +64,8 @@ static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
|
|||
pipe++;
|
||||
|
||||
while (seqp != hctx->ccid2hctx_seqt) {
|
||||
struct ccid2_seq *prev;
|
||||
struct ccid2_seq *prev = seqp->ccid2s_prev;
|
||||
|
||||
prev = seqp->ccid2s_prev;
|
||||
len++;
|
||||
if (!prev->ccid2s_acked)
|
||||
pipe++;
|
||||
|
|
@ -92,7 +86,7 @@ static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
|
|||
seqp = seqp->ccid2s_prev;
|
||||
len++;
|
||||
BUG_ON(len > ccid2_seq_len);
|
||||
} while(seqp != hctx->ccid2hctx_seqh);
|
||||
} while (seqp != hctx->ccid2hctx_seqh);
|
||||
|
||||
BUG_ON(len != ccid2_seq_len);
|
||||
ccid2_pr_debug("total len=%d\n", len);
|
||||
|
|
@ -141,7 +135,7 @@ static void ccid2_change_l_ack_ratio(struct sock *sk, int val)
|
|||
* -sorbo.
|
||||
*/
|
||||
if (val != 2) {
|
||||
struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
|
||||
const struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
|
||||
int max = hctx->ccid2hctx_cwnd / 2;
|
||||
|
||||
/* round up */
|
||||
|
|
@ -179,9 +173,6 @@ static void ccid2_hc_tx_rto_expire(unsigned long data)
|
|||
struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
|
||||
long s;
|
||||
|
||||
/* XXX I don't think i'm locking correctly
|
||||
* -sorbo.
|
||||
*/
|
||||
bh_lock_sock(sk);
|
||||
if (sock_owned_by_user(sk)) {
|
||||
sk_reset_timer(sk, &hctx->ccid2hctx_rtotimer,
|
||||
|
|
@ -278,36 +269,33 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, int len)
|
|||
/* We had an ack loss in this window... */
|
||||
if (hctx->ccid2hctx_ackloss) {
|
||||
if (hctx->ccid2hctx_arsent >= hctx->ccid2hctx_cwnd) {
|
||||
hctx->ccid2hctx_arsent = 0;
|
||||
hctx->ccid2hctx_ackloss = 0;
|
||||
hctx->ccid2hctx_arsent = 0;
|
||||
hctx->ccid2hctx_ackloss = 0;
|
||||
}
|
||||
}
|
||||
/* No acks lost up to now... */
|
||||
else {
|
||||
} else {
|
||||
/* No acks lost up to now... */
|
||||
/* decrease ack ratio if enough packets were sent */
|
||||
if (dp->dccps_l_ack_ratio > 1) {
|
||||
/* XXX don't calculate denominator each time */
|
||||
int denom;
|
||||
int denom = dp->dccps_l_ack_ratio * dp->dccps_l_ack_ratio -
|
||||
dp->dccps_l_ack_ratio;
|
||||
|
||||
denom = dp->dccps_l_ack_ratio * dp->dccps_l_ack_ratio -
|
||||
dp->dccps_l_ack_ratio;
|
||||
denom = hctx->ccid2hctx_cwnd * hctx->ccid2hctx_cwnd / denom;
|
||||
|
||||
if (hctx->ccid2hctx_arsent >= denom) {
|
||||
ccid2_change_l_ack_ratio(sk, dp->dccps_l_ack_ratio - 1);
|
||||
hctx->ccid2hctx_arsent = 0;
|
||||
}
|
||||
}
|
||||
/* we can't increase ack ratio further [1] */
|
||||
else {
|
||||
} else {
|
||||
/* we can't increase ack ratio further [1] */
|
||||
hctx->ccid2hctx_arsent = 0; /* or maybe set it to cwnd*/
|
||||
}
|
||||
}
|
||||
|
||||
/* setup RTO timer */
|
||||
if (!timer_pending(&hctx->ccid2hctx_rtotimer)) {
|
||||
if (!timer_pending(&hctx->ccid2hctx_rtotimer))
|
||||
ccid2_start_rto_timer(sk);
|
||||
}
|
||||
|
||||
#ifdef CCID2_DEBUG
|
||||
ccid2_pr_debug("pipe=%d\n", hctx->ccid2hctx_pipe);
|
||||
ccid2_pr_debug("Sent: seq=%llu\n", seq);
|
||||
|
|
@ -320,7 +308,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, int len)
|
|||
seqp->ccid2s_sent);
|
||||
seqp = seqp->ccid2s_next;
|
||||
}
|
||||
} while(0);
|
||||
} while (0);
|
||||
ccid2_pr_debug("=========\n");
|
||||
ccid2_hc_tx_check_sanity(hctx);
|
||||
#endif
|
||||
|
|
@ -378,7 +366,6 @@ static int ccid2_ackvector(struct sock *sk, struct sk_buff *skb, int offset,
|
|||
*vec = value;
|
||||
*veclen = len;
|
||||
return offset + (opt_ptr - options);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -416,13 +403,11 @@ static inline void ccid2_new_ack(struct sock *sk,
|
|||
hctx->ccid2hctx_ssacks = 0;
|
||||
*maxincr = *maxincr - 1;
|
||||
}
|
||||
}
|
||||
/* increased cwnd enough for this single ack */
|
||||
else {
|
||||
} else {
|
||||
/* increased cwnd enough for this single ack */
|
||||
hctx->ccid2hctx_ssacks = 0;
|
||||
}
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
hctx->ccid2hctx_ssacks = 0;
|
||||
hctx->ccid2hctx_acks++;
|
||||
|
||||
|
|
@ -444,8 +429,7 @@ static inline void ccid2_new_ack(struct sock *sk,
|
|||
r, jiffies, seqp->ccid2s_seq);
|
||||
hctx->ccid2hctx_srtt = r;
|
||||
hctx->ccid2hctx_rttvar = r >> 1;
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
/* RTTVAR */
|
||||
long tmp = hctx->ccid2hctx_srtt - r;
|
||||
if (tmp < 0)
|
||||
|
|
@ -528,12 +512,10 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
|
|||
if (hctx->ccid2hctx_rpdupack == -1) {
|
||||
hctx->ccid2hctx_rpdupack = 0;
|
||||
hctx->ccid2hctx_rpseq = seqno;
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
/* check if packet is consecutive */
|
||||
if ((hctx->ccid2hctx_rpseq + 1) == seqno) {
|
||||
if ((hctx->ccid2hctx_rpseq + 1) == seqno)
|
||||
hctx->ccid2hctx_rpseq++;
|
||||
}
|
||||
/* it's a later packet */
|
||||
else if (after48(seqno, hctx->ccid2hctx_rpseq)) {
|
||||
hctx->ccid2hctx_rpdupack++;
|
||||
|
|
@ -541,7 +523,6 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
|
|||
/* check if we got enough dupacks */
|
||||
if (hctx->ccid2hctx_rpdupack >=
|
||||
hctx->ccid2hctx_numdupack) {
|
||||
|
||||
hctx->ccid2hctx_rpdupack = -1; /* XXX lame */
|
||||
hctx->ccid2hctx_rpseq = 0;
|
||||
|
||||
|
|
@ -559,7 +540,6 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
|
|||
case DCCP_PKT_ACK:
|
||||
case DCCP_PKT_DATAACK:
|
||||
break;
|
||||
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
|
@ -612,11 +592,9 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
|
|||
if (state ==
|
||||
DCCP_ACKVEC_STATE_ECN_MARKED) {
|
||||
loss = 1;
|
||||
}
|
||||
else {
|
||||
} else
|
||||
ccid2_new_ack(sk, seqp,
|
||||
&maxincr);
|
||||
}
|
||||
|
||||
seqp->ccid2s_acked = 1;
|
||||
ccid2_pr_debug("Got ack for %llu\n",
|
||||
|
|
@ -648,13 +626,11 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
|
|||
while (1) {
|
||||
if (seqp->ccid2s_acked) {
|
||||
done++;
|
||||
if (done == hctx->ccid2hctx_numdupack) {
|
||||
if (done == hctx->ccid2hctx_numdupack)
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (seqp == hctx->ccid2hctx_seqt) {
|
||||
if (seqp == hctx->ccid2hctx_seqt)
|
||||
break;
|
||||
}
|
||||
seqp = seqp->ccid2s_prev;
|
||||
}
|
||||
|
||||
|
|
@ -798,6 +774,6 @@ static __exit void ccid2_module_exit(void)
|
|||
module_exit(ccid2_module_exit);
|
||||
|
||||
MODULE_AUTHOR("Andrea Bittau <a.bittau@cs.ucl.ac.uk>");
|
||||
MODULE_DESCRIPTION("DCCP TCP CCID2 CCID");
|
||||
MODULE_DESCRIPTION("DCCP TCP-Like (CCID2) CCID");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("net-dccp-ccid-2");
|
||||
|
|
|
|||
Loading…
Reference in a new issue