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[DCCP]: Whitespace cleanups

Browse source 
That accumulated over the last months hackaton, shame on me for not
using git-apply whitespace helping hand, will do that from now on.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-12-10 16:01:18 -02:00 committed by David S. Miller
parent 1fba78b6cb
commit 8109b02b53
13 changed files with 149 additions and 137 deletions
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26
include/linux/dccp.h
View file

@ -176,20 +176,20 @@ enum {
};
/* DCCP features (RFC 4340 section 6.4) */
enum {
DCCPF_RESERVED = 0,
DCCPF_CCID = 1,
enum {
DCCPF_RESERVED = 0,
DCCPF_CCID = 1,
DCCPF_SHORT_SEQNOS = 2, /* XXX: not yet implemented */
DCCPF_SEQUENCE_WINDOW = 3,
DCCPF_SEQUENCE_WINDOW = 3,
DCCPF_ECN_INCAPABLE = 4, /* XXX: not yet implemented */
DCCPF_ACK_RATIO = 5,
DCCPF_SEND_ACK_VECTOR = 6,
DCCPF_SEND_NDP_COUNT = 7,
DCCPF_ACK_RATIO = 5,
DCCPF_SEND_ACK_VECTOR = 6,
DCCPF_SEND_NDP_COUNT = 7,
DCCPF_MIN_CSUM_COVER = 8,
DCCPF_DATA_CHECKSUM = 9, /* XXX: not yet implemented */
/* 10-127 reserved */
DCCPF_MIN_CCID_SPECIFIC = 128,
DCCPF_MAX_CCID_SPECIFIC = 255,
/* 10-127 reserved */
DCCPF_MIN_CCID_SPECIFIC = 128,
DCCPF_MAX_CCID_SPECIFIC = 255,
};
/* this structure is argument to DCCP_SOCKOPT_CHANGE_X */
@ -427,7 +427,7 @@ struct dccp_service_list {
};
#define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1)
#define DCCP_SERVICE_CODE_IS_ABSENT 0
#define DCCP_SERVICE_CODE_IS_ABSENT 0
static inline int dccp_list_has_service(const struct dccp_service_list *sl,
const __be32 service)
@ -436,7 +436,7 @@ static inline int dccp_list_has_service(const struct dccp_service_list *sl,
u32 i = sl->dccpsl_nr;
while (i--)
if (sl->dccpsl_list[i] == service)
return 1;
return 1;
}
return 0;
}
@ -511,7 +511,7 @@ struct dccp_sock {
__u8 dccps_hc_tx_insert_options:1;
struct timer_list dccps_xmit_timer;
};
static inline struct dccp_sock *dccp_sk(const struct sock *sk)
{
return (struct dccp_sock *)sk;

4
net/dccp/ackvec.c
View file

@ -223,7 +223,7 @@ static inline int dccp_ackvec_set_buf_head_state(struct dccp_ackvec *av,
gap = -new_head;
}
new_head += DCCP_MAX_ACKVEC_LEN;
}
}
av->dccpav_buf_head = new_head;
@ -336,7 +336,7 @@ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk,
void dccp_ackvector_print(const u64 ackno, const unsigned char *vector, int len)
{
dccp_pr_debug_cat("ACK vector len=%d, ackno=%llu |", len,
(unsigned long long)ackno);
(unsigned long long)ackno);
while (len--) {
const u8 state = (*vector & DCCP_ACKVEC_STATE_MASK) >> 6;

12
net/dccp/ccids/ccid2.c
View file

@ -351,7 +351,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
while (seqp != hctx->ccid2hctx_seqh) {
ccid2_pr_debug("out seq=%llu acked=%d time=%lu\n",
(unsigned long long)seqp->ccid2s_seq,
(unsigned long long)seqp->ccid2s_seq,
seqp->ccid2s_acked, seqp->ccid2s_sent);
seqp = seqp->ccid2s_next;
}
@ -473,7 +473,7 @@ static inline void ccid2_new_ack(struct sock *sk,
/* first measurement */
if (hctx->ccid2hctx_srtt == -1) {
ccid2_pr_debug("R: %lu Time=%lu seq=%llu\n",
r, jiffies,
r, jiffies,
(unsigned long long)seqp->ccid2s_seq);
ccid2_change_srtt(hctx, r);
hctx->ccid2hctx_rttvar = r >> 1;
@ -518,8 +518,8 @@ static inline void ccid2_new_ack(struct sock *sk,
hctx->ccid2hctx_lastrtt = jiffies;
ccid2_pr_debug("srtt: %ld rttvar: %ld rto: %ld (HZ=%d) R=%lu\n",
hctx->ccid2hctx_srtt, hctx->ccid2hctx_rttvar,
hctx->ccid2hctx_rto, HZ, r);
hctx->ccid2hctx_srtt, hctx->ccid2hctx_rttvar,
hctx->ccid2hctx_rto, HZ, r);
hctx->ccid2hctx_sent = 0;
}
@ -667,9 +667,9 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
/* new packet received or marked */
if (state != DCCP_ACKVEC_STATE_NOT_RECEIVED &&
!seqp->ccid2s_acked) {
if (state ==
if (state ==
DCCP_ACKVEC_STATE_ECN_MARKED) {
ccid2_congestion_event(hctx,
ccid2_congestion_event(hctx,
seqp);
} else
ccid2_new_ack(sk, seqp,

111
net/dccp/ccids/ccid3.c
View file

@ -124,18 +124,18 @@ static void ccid3_hc_tx_update_x(struct sock *sk, struct timeval *now)
if (hctx->ccid3hctx_p > 0) {
hctx->ccid3hctx_x = min(((__u64)hctx->ccid3hctx_x_calc) << 6,
hctx->ccid3hctx_x_recv * 2 );
hctx->ccid3hctx_x_recv * 2);
hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
(((__u64)hctx->ccid3hctx_s) << 6) /
TFRC_T_MBI);
TFRC_T_MBI);
} else if (timeval_delta(now, &hctx->ccid3hctx_t_ld) -
(suseconds_t)hctx->ccid3hctx_rtt >= 0 ) {
(suseconds_t)hctx->ccid3hctx_rtt >= 0) {
hctx->ccid3hctx_x =
max(2 * min(hctx->ccid3hctx_x, hctx->ccid3hctx_x_recv),
scaled_div(((__u64)hctx->ccid3hctx_s) << 6,
hctx->ccid3hctx_rtt ) );
hctx->ccid3hctx_rtt));
hctx->ccid3hctx_t_ld = *now;
}
@ -144,8 +144,8 @@ static void ccid3_hc_tx_update_x(struct sock *sk, struct timeval *now)
}
/*
* Track the mean packet size `s' (cf. RFC 4342, 5.3 and RFC 3448, 4.1)
* @len: DCCP packet payload size in bytes
* Track the mean packet size `s' (cf. RFC 4342, 5.3 and RFC 3448, 4.1)
* @len: DCCP packet payload size in bytes
*/
static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
{
@ -163,8 +163,8 @@ static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
}
/*
* Update Window Counter using the algorithm from [RFC 4342, 8.1].
* The algorithm is not applicable if RTT < 4 microseconds.
* Update Window Counter using the algorithm from [RFC 4342, 8.1].
* The algorithm is not applicable if RTT < 4 microseconds.
*/
static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx,
struct timeval *now)
@ -228,12 +228,13 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
*/
if (!hctx->ccid3hctx_idle ||
(hctx->ccid3hctx_x_recv >= 4 *
scaled_div(((__u64)hctx->ccid3hctx_s) << 6, hctx->ccid3hctx_rtt))) {
scaled_div(((__u64)hctx->ccid3hctx_s) << 6,
hctx->ccid3hctx_rtt))) {
struct timeval now;
ccid3_pr_debug("%s(%p, state=%s), not idle\n",
dccp_role(sk), sk,
ccid3_tx_state_name(hctx->ccid3hctx_state));
ccid3_tx_state_name(hctx->ccid3hctx_state));
/*
* Modify the cached value of X_recv [RFC 3448, 4.4]
@ -248,12 +249,13 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
BUG_ON(hctx->ccid3hctx_p && !hctx->ccid3hctx_x_calc);
if (hctx->ccid3hctx_p == 0 ||
hctx->ccid3hctx_x_calc > (hctx->ccid3hctx_x_recv >> 5)) {
(hctx->ccid3hctx_x_calc >
(hctx->ccid3hctx_x_recv >> 5))) {
hctx->ccid3hctx_x_recv =
max(hctx->ccid3hctx_x_recv / 2,
(((__u64)hctx->ccid3hctx_s) << 6) /
(2*TFRC_T_MBI));
(2 * TFRC_T_MBI));
if (hctx->ccid3hctx_p == 0)
dccp_timestamp(sk, &now);
@ -316,7 +318,8 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
switch (hctx->ccid3hctx_state) {
case TFRC_SSTATE_NO_SENT:
sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
jiffies + usecs_to_jiffies(TFRC_INITIAL_TIMEOUT));
(jiffies +
usecs_to_jiffies(TFRC_INITIAL_TIMEOUT)));
hctx->ccid3hctx_last_win_count = 0;
hctx->ccid3hctx_t_last_win_count = now;
ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
@ -338,7 +341,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
case TFRC_SSTATE_FBACK:
delay = timeval_delta(&hctx->ccid3hctx_t_nom, &now);
/*
* Scheduling of packet transmissions [RFC 3448, 4.6]
* Scheduling of packet transmissions [RFC 3448, 4.6]
*
* if (t_now > t_nom - delta)
* // send the packet now
@ -365,7 +368,8 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
return 0;
}
static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
static void ccid3_hc_tx_packet_sent(struct sock *sk, int more,
unsigned int len)
{
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
struct timeval now;
@ -415,12 +419,12 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
case TFRC_SSTATE_FBACK:
/* get packet from history to look up t_recvdata */
packet = dccp_tx_hist_find_entry(&hctx->ccid3hctx_hist,
DCCP_SKB_CB(skb)->dccpd_ack_seq);
DCCP_SKB_CB(skb)->dccpd_ack_seq);
if (unlikely(packet == NULL)) {
DCCP_WARN("%s(%p), seqno %llu(%s) doesn't exist "
"in history!\n", dccp_role(sk), sk,
(unsigned long long)DCCP_SKB_CB(skb)->dccpd_ack_seq,
dccp_packet_name(DCCP_SKB_CB(skb)->dccpd_type));
dccp_packet_name(DCCP_SKB_CB(skb)->dccpd_type));
return;
}
@ -433,13 +437,13 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
if (pinv == ~0U || pinv == 0) /* see RFC 4342, 8.5 */
hctx->ccid3hctx_p = 0;
else /* can not exceed 100% */
hctx->ccid3hctx_p = 1000000 / pinv;
hctx->ccid3hctx_p = 1000000 / pinv;
dccp_timestamp(sk, &now);
/*
* Calculate new round trip sample as per [RFC 3448, 4.3] by
* R_sample = (now - t_recvdata) - t_elapsed
* R_sample = (now - t_recvdata) - t_elapsed
*/
r_sample = timeval_delta(&now, &packet->dccphtx_tstamp);
t_elapsed = dp->dccps_options_received.dccpor_elapsed_time * 10;
@ -465,7 +469,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
* Larger Initial Windows [RFC 4342, sec. 5]
* We deviate in that we use `s' instead of `MSS'.
*/
__u64 w_init = min( 4 * hctx->ccid3hctx_s,
__u64 w_init = min(4 * hctx->ccid3hctx_s,
max(2 * hctx->ccid3hctx_s, 4380));
hctx->ccid3hctx_rtt = r_sample;
hctx->ccid3hctx_x = scaled_div(w_init << 6, r_sample);
@ -475,13 +479,14 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
ccid3_pr_debug("%s(%p), s=%u, w_init=%llu, "
"R_sample=%dus, X=%u\n", dccp_role(sk),
sk, hctx->ccid3hctx_s, w_init, (int)r_sample,
sk, hctx->ccid3hctx_s, w_init,
(int)r_sample,
(unsigned)(hctx->ccid3hctx_x >> 6));
ccid3_hc_tx_set_state(sk, TFRC_SSTATE_FBACK);
} else {
hctx->ccid3hctx_rtt = (9 * hctx->ccid3hctx_rtt +
(u32)r_sample ) / 10;
(u32)r_sample) / 10;
/* Update sending rate (step 4 of [RFC 3448, 4.3]) */
if (hctx->ccid3hctx_p > 0)
@ -492,12 +497,13 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
ccid3_hc_tx_update_x(sk, &now);
ccid3_pr_debug("%s(%p), RTT=%uus (sample=%dus), s=%u, "
"p=%u, X_calc=%u, X_recv=%u, X=%u\n", dccp_role(sk),
"p=%u, X_calc=%u, X_recv=%u, X=%u\n",
dccp_role(sk),
sk, hctx->ccid3hctx_rtt, (int)r_sample,
hctx->ccid3hctx_s, hctx->ccid3hctx_p,
hctx->ccid3hctx_x_calc,
(unsigned)(hctx->ccid3hctx_x_recv >> 6),
(unsigned)(hctx->ccid3hctx_x >> 6) );
(unsigned)(hctx->ccid3hctx_x >> 6));
}
/* unschedule no feedback timer */
@ -507,20 +513,20 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
dccp_tx_hist_purge_older(ccid3_tx_hist,
&hctx->ccid3hctx_hist, packet);
/*
* As we have calculated new ipi, delta, t_nom it is possible that
* we now can send a packet, so wake up dccp_wait_for_ccid
* As we have calculated new ipi, delta, t_nom it is possible
* that we now can send a packet, so wake up dccp_wait_for_ccid
*/
sk->sk_write_space(sk);
/*
* Update timeout interval for the nofeedback timer.
* We use a configuration option to increase the lower bound.
* This can help avoid triggering the nofeedback timer too often
* ('spinning') on LANs with small RTTs.
* This can help avoid triggering the nofeedback timer too
* often ('spinning') on LANs with small RTTs.
*/
hctx->ccid3hctx_t_rto = max_t(u32, 4 * hctx->ccid3hctx_rtt,
CONFIG_IP_DCCP_CCID3_RTO *
(USEC_PER_SEC/1000) );
(USEC_PER_SEC/1000));
/*
* Schedule no feedback timer to expire in
* max(t_RTO, 2 * s/X) = max(t_RTO, 2 * t_ipi)
@ -528,7 +534,8 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);
ccid3_pr_debug("%s(%p), Scheduled no feedback timer to "
"expire in %lu jiffies (%luus)\n", dccp_role(sk),
"expire in %lu jiffies (%luus)\n",
dccp_role(sk),
sk, usecs_to_jiffies(t_nfb), t_nfb);
sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
@ -538,7 +545,9 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
hctx->ccid3hctx_idle = 1;
break;
case TFRC_SSTATE_NO_SENT:
/* XXX when implementing bidirectional rx/tx check this again */
/*
* XXX when implementing bidirectional rx/tx check this again
*/
DCCP_WARN("Illegal ACK received - no packet sent\n");
/* fall through */
case TFRC_SSTATE_TERM: /* ignore feedback when closing */
@ -575,7 +584,8 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
dccp_role(sk), sk, len);
rc = -EINVAL;
} else {
opt_recv->ccid3or_loss_event_rate = ntohl(*(__be32 *)value);
opt_recv->ccid3or_loss_event_rate =
ntohl(*(__be32 *)value);
ccid3_pr_debug("%s(%p), LOSS_EVENT_RATE=%u\n",
dccp_role(sk), sk,
opt_recv->ccid3or_loss_event_rate);
@ -596,7 +606,8 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
dccp_role(sk), sk, len);
rc = -EINVAL;
} else {
opt_recv->ccid3or_receive_rate = ntohl(*(__be32 *)value);
opt_recv->ccid3or_receive_rate =
ntohl(*(__be32 *)value);
ccid3_pr_debug("%s(%p), RECEIVE_RATE=%u\n",
dccp_role(sk), sk,
opt_recv->ccid3or_receive_rate);
@ -616,7 +627,8 @@ static int ccid3_hc_tx_init(struct ccid *ccid, struct sock *sk)
hctx->ccid3hctx_state = TFRC_SSTATE_NO_SENT;
INIT_LIST_HEAD(&hctx->ccid3hctx_hist);
hctx->ccid3hctx_no_feedback_timer.function = ccid3_hc_tx_no_feedback_timer;
hctx->ccid3hctx_no_feedback_timer.function =
ccid3_hc_tx_no_feedback_timer;
hctx->ccid3hctx_no_feedback_timer.data = (unsigned long)sk;
init_timer(&hctx->ccid3hctx_no_feedback_timer);
@ -754,9 +766,9 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
hcrx->ccid3hcrx_elapsed_time)) ||
dccp_insert_option_timestamp(sk, skb) ||
dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
&pinv, sizeof(pinv)) ||
&pinv, sizeof(pinv)) ||
dccp_insert_option(sk, skb, TFRC_OPT_RECEIVE_RATE,
&x_recv, sizeof(x_recv)))
&x_recv, sizeof(x_recv)))
return -1;
return 0;
@ -827,9 +839,9 @@ static u32 ccid3_hc_rx_calc_first_li(struct sock *sk)
/*
* Determine the length of the first loss interval via inverse lookup.
* Assume that X_recv can be computed by the throughput equation
* s
* X_recv = --------
* R * fval
* s
* X_recv = --------
* R * fval
* Find some p such that f(p) = fval; return 1/p [RFC 3448, 6.3.1].
*/
if (rtt == 0) { /* would result in divide-by-zero */
@ -860,7 +872,7 @@ static u32 ccid3_hc_rx_calc_first_li(struct sock *sk)
if (p == 0)
return ~0;
else
return 1000000 / p;
return 1000000 / p;
}
static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss)
@ -914,7 +926,8 @@ static int ccid3_hc_rx_detect_loss(struct sock *sk,
struct dccp_rx_hist_entry *packet)
{
struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
struct dccp_rx_hist_entry *rx_hist = dccp_rx_hist_head(&hcrx->ccid3hcrx_hist);
struct dccp_rx_hist_entry *rx_hist =
dccp_rx_hist_head(&hcrx->ccid3hcrx_hist);
u64 seqno = packet->dccphrx_seqno;
u64 tmp_seqno;
int loss = 0;
@ -942,7 +955,7 @@ static int ccid3_hc_rx_detect_loss(struct sock *sk,
dccp_inc_seqno(&tmp_seqno);
while (dccp_rx_hist_find_entry(&hcrx->ccid3hcrx_hist,
tmp_seqno, &ccval)) {
hcrx->ccid3hcrx_seqno_nonloss = tmp_seqno;
hcrx->ccid3hcrx_seqno_nonloss = tmp_seqno;
hcrx->ccid3hcrx_ccval_nonloss = ccval;
dccp_inc_seqno(&tmp_seqno);
}
@ -1044,8 +1057,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
break;
dccp_timestamp(sk, &now);
if (timeval_delta(&now, &hcrx->ccid3hcrx_tstamp_last_ack) -
(suseconds_t)hcrx->ccid3hcrx_rtt >= 0) {
if ((timeval_delta(&now, &hcrx->ccid3hcrx_tstamp_last_ack) -
(suseconds_t)hcrx->ccid3hcrx_rtt) >= 0) {
hcrx->ccid3hcrx_tstamp_last_ack = now;
ccid3_hc_rx_send_feedback(sk);
}
@ -1118,9 +1131,9 @@ static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
BUG_ON(hcrx == NULL);
info->tcpi_ca_state = hcrx->ccid3hcrx_state;
info->tcpi_options |= TCPI_OPT_TIMESTAMPS;
info->tcpi_rcv_rtt = hcrx->ccid3hcrx_rtt;
info->tcpi_ca_state = hcrx->ccid3hcrx_state;
info->tcpi_options |= TCPI_OPT_TIMESTAMPS;
info->tcpi_rcv_rtt = hcrx->ccid3hcrx_rtt;
}
static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
@ -1212,7 +1225,7 @@ static struct ccid_operations ccid3 = {
.ccid_hc_rx_getsockopt = ccid3_hc_rx_getsockopt,
.ccid_hc_tx_getsockopt = ccid3_hc_tx_getsockopt,
};
#ifdef CONFIG_IP_DCCP_CCID3_DEBUG
module_param(ccid3_debug, int, 0444);
MODULE_PARM_DESC(ccid3_debug, "Enable debug messages");
@ -1235,7 +1248,7 @@ static __init int ccid3_module_init(void)
goto out_free_tx;
rc = ccid_register(&ccid3);
if (rc != 0)
if (rc != 0)
goto out_free_loss_interval_history;
out:
return rc;

22
net/dccp/ccids/ccid3.h
View file

@ -77,7 +77,7 @@ struct ccid3_options_received {
/* TFRC sender states */
enum ccid3_hc_tx_states {
TFRC_SSTATE_NO_SENT = 1,
TFRC_SSTATE_NO_SENT = 1,
TFRC_SSTATE_NO_FBACK,
TFRC_SSTATE_FBACK,
TFRC_SSTATE_TERM,
@ -96,7 +96,7 @@ enum ccid3_hc_tx_states {
* @ccid3hctx_state - Sender state, one of %ccid3_hc_tx_states
* @ccid3hctx_last_win_count - Last window counter sent
* @ccid3hctx_t_last_win_count - Timestamp of earliest packet
* with last_win_count value sent
* with last_win_count value sent
* @ccid3hctx_no_feedback_timer - Handle to no feedback timer
* @ccid3hctx_idle - Flag indicating that sender is idling
* @ccid3hctx_t_ld - Time last doubled during slow start
@ -115,7 +115,7 @@ struct ccid3_hc_tx_sock {
#define ccid3hctx_t_rto ccid3hctx_tfrc.tfrctx_rto
#define ccid3hctx_t_ipi ccid3hctx_tfrc.tfrctx_ipi
u16 ccid3hctx_s;
enum ccid3_hc_tx_states ccid3hctx_state:8;
enum ccid3_hc_tx_states ccid3hctx_state:8;
u8 ccid3hctx_last_win_count;
u8 ccid3hctx_idle;
struct timeval ccid3hctx_t_last_win_count;
@ -129,7 +129,7 @@ struct ccid3_hc_tx_sock {
/* TFRC receiver states */
enum ccid3_hc_rx_states {
TFRC_RSTATE_NO_DATA = 1,
TFRC_RSTATE_NO_DATA = 1,
TFRC_RSTATE_DATA,
TFRC_RSTATE_TERM = 127,
};
@ -157,18 +157,18 @@ struct ccid3_hc_rx_sock {
#define ccid3hcrx_x_recv ccid3hcrx_tfrc.tfrcrx_x_recv
#define ccid3hcrx_rtt ccid3hcrx_tfrc.tfrcrx_rtt
#define ccid3hcrx_p ccid3hcrx_tfrc.tfrcrx_p
u64 ccid3hcrx_seqno_nonloss:48,
u64 ccid3hcrx_seqno_nonloss:48,
ccid3hcrx_ccval_nonloss:4,
ccid3hcrx_ccval_last_counter:4;
enum ccid3_hc_rx_states ccid3hcrx_state:8;
u32 ccid3hcrx_bytes_recv;
struct timeval ccid3hcrx_tstamp_last_feedback;
struct timeval ccid3hcrx_tstamp_last_ack;
u32 ccid3hcrx_bytes_recv;
struct timeval ccid3hcrx_tstamp_last_feedback;
struct timeval ccid3hcrx_tstamp_last_ack;
struct list_head ccid3hcrx_hist;
struct list_head ccid3hcrx_li_hist;
u16 ccid3hcrx_s;
u32 ccid3hcrx_pinv;
u32 ccid3hcrx_elapsed_time;
u16 ccid3hcrx_s;
u32 ccid3hcrx_pinv;
u32 ccid3hcrx_elapsed_time;
};
static inline struct ccid3_hc_tx_sock *ccid3_hc_tx_sk(const struct sock *sk)

6
net/dccp/feat.c
View file

@ -329,7 +329,7 @@ static void dccp_feat_empty_confirm(struct dccp_minisock *dmsk,
switch (type) {
case DCCPO_CHANGE_L: opt->dccpop_type = DCCPO_CONFIRM_R; break;
case DCCPO_CHANGE_R: opt->dccpop_type = DCCPO_CONFIRM_L; break;
default: DCCP_WARN("invalid type %d\n", type); return;
default: DCCP_WARN("invalid type %d\n", type); return;
}
opt->dccpop_feat = feature;
@ -427,7 +427,7 @@ int dccp_feat_confirm_recv(struct sock *sk, u8 type, u8 feature,
switch (type) {
case DCCPO_CONFIRM_L: t = DCCPO_CHANGE_R; break;
case DCCPO_CONFIRM_R: t = DCCPO_CHANGE_L; break;
default: DCCP_WARN("invalid type %d\n", type);
default: DCCP_WARN("invalid type %d\n", type);
return 1;
}
@ -610,7 +610,7 @@ const char *dccp_feat_typename(const u8 type)
case DCCPO_CHANGE_R: return("ChangeR");
case DCCPO_CONFIRM_R: return("ConfirmR");
/* the following case must not appear in feature negotation */
default: dccp_pr_debug("unknown type %d [BUG!]\n", type);
default: dccp_pr_debug("unknown type %d [BUG!]\n", type);
}
return NULL;
}

26
net/dccp/input.c
View file

@ -1,6 +1,6 @@
/*
* net/dccp/input.c
*
*
* An implementation of the DCCP protocol
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
@ -82,7 +82,7 @@ static int dccp_check_seqno(struct sock *sk, struct sk_buff *skb)
* Otherwise,
* Drop packet and return
*/
if (dh->dccph_type == DCCP_PKT_SYNC ||
if (dh->dccph_type == DCCP_PKT_SYNC ||
dh->dccph_type == DCCP_PKT_SYNCACK) {
if (between48(DCCP_SKB_CB(skb)->dccpd_ack_seq,
dp->dccps_awl, dp->dccps_awh) &&
@ -185,8 +185,8 @@ static int __dccp_rcv_established(struct sock *sk, struct sk_buff *skb,
dccp_rcv_close(sk, skb);
return 0;
case DCCP_PKT_REQUEST:
/* Step 7
* or (S.is_server and P.type == Response)
/* Step 7
* or (S.is_server and P.type == Response)
* or (S.is_client and P.type == Request)
* or (S.state >= OPEN and P.type == Request
* and P.seqno >= S.OSR)
@ -274,7 +274,7 @@ static int dccp_rcv_request_sent_state_process(struct sock *sk,
const struct dccp_hdr *dh,
const unsigned len)
{
/*
/*
* Step 4: Prepare sequence numbers in REQUEST
* If S.state == REQUEST,
* If (P.type == Response or P.type == Reset)
@ -342,7 +342,7 @@ static int dccp_rcv_request_sent_state_process(struct sock *sk,
* from the Response * /
* S.state := PARTOPEN
* Set PARTOPEN timer
* Continue with S.state == PARTOPEN
* Continue with S.state == PARTOPEN
* / * Step 12 will send the Ack completing the
* three-way handshake * /
*/
@ -373,7 +373,7 @@ static int dccp_rcv_request_sent_state_process(struct sock *sk,
*/
__kfree_skb(skb);
return 0;
}
}
dccp_send_ack(sk);
return -1;
}
@ -381,7 +381,7 @@ static int dccp_rcv_request_sent_state_process(struct sock *sk,
out_invalid_packet:
/* dccp_v4_do_rcv will send a reset */
DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_PACKET_ERROR;
return 1;
return 1;
}
static int dccp_rcv_respond_partopen_state_process(struct sock *sk,
@ -488,11 +488,11 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
if (dcb->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ)
dccp_event_ack_recv(sk, skb);
if (dccp_msk(sk)->dccpms_send_ack_vector &&
if (dccp_msk(sk)->dccpms_send_ack_vector &&
dccp_ackvec_add(dp->dccps_hc_rx_ackvec, sk,
DCCP_SKB_CB(skb)->dccpd_seq,
DCCP_ACKVEC_STATE_RECEIVED))
goto discard;
DCCP_SKB_CB(skb)->dccpd_seq,
DCCP_ACKVEC_STATE_RECEIVED))
goto discard;
/* XXX see the comments in dccp_rcv_established about this */
if (dccp_sk(sk)->dccps_role == DCCP_ROLE_SERVER)
@ -580,7 +580,7 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
}
}
if (!queued) {
if (!queued) {
discard:
__kfree_skb(skb);
}

26
net/dccp/ipv4.c
View file

@ -157,7 +157,7 @@ static inline void dccp_do_pmtu_discovery(struct sock *sk,
/* We don't check in the destentry if pmtu discovery is forbidden
* on this route. We just assume that no packet_to_big packets
* are send back when pmtu discovery is not active.
* There is a small race when the user changes this flag in the
* There is a small race when the user changes this flag in the
* route, but I think that's acceptable.
*/
if ((dst = __sk_dst_check(sk, 0)) == NULL)
@ -467,7 +467,7 @@ static struct dst_entry* dccp_v4_route_skb(struct sock *sk,
.uli_u = { .ports =
{ .sport = dccp_hdr(skb)->dccph_dport,
.dport = dccp_hdr(skb)->dccph_sport }
}
}
};
security_skb_classify_flow(skb, &fl);
@ -595,7 +595,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
struct inet_request_sock *ireq;
struct request_sock *req;
struct dccp_request_sock *dreq;
const __be32 service = dccp_hdr_request(skb)->dccph_req_service;
const __be32 service = dccp_hdr_request(skb)->dccph_req_service;
struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
__u8 reset_code = DCCP_RESET_CODE_TOO_BUSY;
@ -609,7 +609,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
if (dccp_bad_service_code(sk, service)) {
reset_code = DCCP_RESET_CODE_BAD_SERVICE_CODE;
goto drop;
}
}
/*
* TW buckets are converted to open requests without
* limitations, they conserve resources and peer is
@ -644,7 +644,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
ireq->rmt_addr = skb->nh.iph->saddr;
ireq->opt = NULL;
/*
/*
* Step 3: Process LISTEN state
*
* Set S.ISR, S.GSR, S.SWL, S.SWH from packet or Init Cookie
@ -846,15 +846,15 @@ static int dccp_v4_rcv(struct sk_buff *skb)
}
/* Step 2:
* Look up flow ID in table and get corresponding socket */
* Look up flow ID in table and get corresponding socket */
sk = __inet_lookup(&dccp_hashinfo,
skb->nh.iph->saddr, dh->dccph_sport,
skb->nh.iph->daddr, dh->dccph_dport,
inet_iif(skb));
/*
/*
* Step 2:
* If no socket ...
* If no socket ...
*/
if (sk == NULL) {
dccp_pr_debug("failed to look up flow ID in table and "
@ -862,9 +862,9 @@ static int dccp_v4_rcv(struct sk_buff *skb)
goto no_dccp_socket;
}
/*
/*
* Step 2:
* ... or S.state == TIMEWAIT,
* ... or S.state == TIMEWAIT,
* Generate Reset(No Connection) unless P.type == Reset
* Drop packet and return
*/
@ -876,8 +876,8 @@ static int dccp_v4_rcv(struct sk_buff *skb)
/*
* RFC 4340, sec. 9.2.1: Minimum Checksum Coverage
* o if MinCsCov = 0, only packets with CsCov = 0 are accepted
* o if MinCsCov > 0, also accept packets with CsCov >= MinCsCov
* o if MinCsCov = 0, only packets with CsCov = 0 are accepted
* o if MinCsCov > 0, also accept packets with CsCov >= MinCsCov
*/
min_cov = dccp_sk(sk)->dccps_pcrlen;
if (dh->dccph_cscov && (min_cov == 0 || dh->dccph_cscov < min_cov)) {
@ -900,7 +900,7 @@ static int dccp_v4_rcv(struct sk_buff *skb)
goto discard_it;
/*
* Step 2:
* If no socket ...
* If no socket ...
* Generate Reset(No Connection) unless P.type == Reset
* Drop packet and return
*/

24
net/dccp/ipv6.c
View file

@ -77,7 +77,7 @@ static inline void dccp_v6_send_check(struct sock *sk, int unused_value,
}
static inline __u32 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr,
__be16 sport, __be16 dport )
__be16 sport, __be16 dport )
{
return secure_tcpv6_sequence_number(saddr, daddr, sport, dport);
}
@ -329,7 +329,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
skb = alloc_skb(dccp_v6_ctl_socket->sk->sk_prot->max_header,
GFP_ATOMIC);
if (skb == NULL)
return;
return;
skb_reserve(skb, dccp_v6_ctl_socket->sk->sk_prot->max_header);
@ -353,7 +353,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
dccp_csum_outgoing(skb);
dh->dccph_checksum = dccp_v6_csum_finish(skb, &rxskb->nh.ipv6h->saddr,
&rxskb->nh.ipv6h->daddr);
&rxskb->nh.ipv6h->daddr);
memset(&fl, 0, sizeof(fl));
ipv6_addr_copy(&fl.fl6_dst, &rxskb->nh.ipv6h->saddr);
@ -424,7 +424,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
struct dccp_request_sock *dreq;
struct inet6_request_sock *ireq6;
struct ipv6_pinfo *np = inet6_sk(sk);
const __be32 service = dccp_hdr_request(skb)->dccph_req_service;
const __be32 service = dccp_hdr_request(skb)->dccph_req_service;
struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
__u8 reset_code = DCCP_RESET_CODE_TOO_BUSY;
@ -437,7 +437,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
if (dccp_bad_service_code(sk, service)) {
reset_code = DCCP_RESET_CODE_BAD_SERVICE_CODE;
goto drop;
}
}
/*
* There are no SYN attacks on IPv6, yet...
*/
@ -787,7 +787,7 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
* otherwise we just shortcircuit this and continue with
* the new socket..
*/
if (nsk != sk) {
if (nsk != sk) {
if (dccp_child_process(sk, nsk, skb))
goto reset;
if (opt_skb != NULL)
@ -843,14 +843,14 @@ static int dccp_v6_rcv(struct sk_buff **pskb)
DCCP_SKB_CB(skb)->dccpd_ack_seq = dccp_hdr_ack_seq(skb);
/* Step 2:
* Look up flow ID in table and get corresponding socket */
* Look up flow ID in table and get corresponding socket */
sk = __inet6_lookup(&dccp_hashinfo, &skb->nh.ipv6h->saddr,
dh->dccph_sport,
&skb->nh.ipv6h->daddr, ntohs(dh->dccph_dport),
inet6_iif(skb));
/*
* Step 2:
* If no socket ...
* If no socket ...
*/
if (sk == NULL) {
dccp_pr_debug("failed to look up flow ID in table and "
@ -860,7 +860,7 @@ static int dccp_v6_rcv(struct sk_buff **pskb)
/*
* Step 2:
* ... or S.state == TIMEWAIT,
* ... or S.state == TIMEWAIT,
* Generate Reset(No Connection) unless P.type == Reset
* Drop packet and return
*/
@ -872,8 +872,8 @@ static int dccp_v6_rcv(struct sk_buff **pskb)
/*
* RFC 4340, sec. 9.2.1: Minimum Checksum Coverage
* o if MinCsCov = 0, only packets with CsCov = 0 are accepted
* o if MinCsCov > 0, also accept packets with CsCov >= MinCsCov
* o if MinCsCov = 0, only packets with CsCov = 0 are accepted
* o if MinCsCov > 0, also accept packets with CsCov >= MinCsCov
*/
min_cov = dccp_sk(sk)->dccps_pcrlen;
if (dh->dccph_cscov && (min_cov == 0 || dh->dccph_cscov < min_cov)) {
@ -893,7 +893,7 @@ static int dccp_v6_rcv(struct sk_buff **pskb)
goto discard_it;
/*
* Step 2:
* If no socket ...
* If no socket ...
* Generate Reset(No Connection) unless P.type == Reset
* Drop packet and return
*/

2
net/dccp/minisocks.c
View file

@ -182,7 +182,7 @@ struct sock *dccp_create_openreq_child(struct sock *sk,
EXPORT_SYMBOL_GPL(dccp_create_openreq_child);
/*
/*
* Process an incoming packet for RESPOND sockets represented
* as an request_sock.
*/

7
net/dccp/output.c
View file

@ -1,6 +1,6 @@
/*
* net/dccp/output.c
*
*
* An implementation of the DCCP protocol
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
@ -338,7 +338,6 @@ EXPORT_SYMBOL_GPL(dccp_make_response);
static struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst,
const enum dccp_reset_codes code)
{
struct dccp_hdr *dh;
struct dccp_sock *dp = dccp_sk(sk);
@ -419,14 +418,14 @@ static inline void dccp_connect_init(struct sock *sk)
dccp_sync_mss(sk, dst_mtu(dst));
/*
/*
* SWL and AWL are initially adjusted so that they are not less than
* the initial Sequence Numbers received and sent, respectively:
* SWL := max(GSR + 1 - floor(W/4), ISR),
* AWL := max(GSS - W' + 1, ISS).
* These adjustments MUST be applied only at the beginning of the
* connection.
*/
*/
dccp_update_gss(sk, dp->dccps_iss);
dccp_set_seqno(&dp->dccps_awl, max48(dp->dccps_awl, dp->dccps_iss));

6
net/dccp/proto.c
View file

@ -196,7 +196,7 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
sk, GFP_KERNEL);
dp->dccps_hc_tx_ccid = ccid_hc_tx_new(dmsk->dccpms_tx_ccid,
sk, GFP_KERNEL);
if (unlikely(dp->dccps_hc_rx_ccid == NULL ||
if (unlikely(dp->dccps_hc_rx_ccid == NULL ||
dp->dccps_hc_tx_ccid == NULL)) {
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
@ -390,7 +390,7 @@ static int dccp_setsockopt_service(struct sock *sk, const __be32 service,
struct dccp_sock *dp = dccp_sk(sk);
struct dccp_service_list *sl = NULL;
if (service == DCCP_SERVICE_INVALID_VALUE ||
if (service == DCCP_SERVICE_INVALID_VALUE ||
optlen > DCCP_SERVICE_LIST_MAX_LEN * sizeof(u32))
return -EINVAL;
@ -830,7 +830,7 @@ EXPORT_SYMBOL_GPL(inet_dccp_listen);
static const unsigned char dccp_new_state[] = {
/* current state: new state: action: */
[0] = DCCP_CLOSED,
[DCCP_OPEN] = DCCP_CLOSING | DCCP_ACTION_FIN,
[DCCP_OPEN] = DCCP_CLOSING | DCCP_ACTION_FIN,
[DCCP_REQUESTING] = DCCP_CLOSED,
[DCCP_PARTOPEN] = DCCP_CLOSING | DCCP_ACTION_FIN,
[DCCP_LISTEN] = DCCP_CLOSED,

14
net/dccp/timer.c
View file

@ -1,6 +1,6 @@
/*
* net/dccp/timer.c
*
*
* An implementation of the DCCP protocol
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
@ -102,13 +102,13 @@ static void dccp_retransmit_timer(struct sock *sk)
* sk->sk_send_head has to have one skb with
* DCCP_SKB_CB(skb)->dccpd_type set to one of the retransmittable DCCP
* packet types. The only packets eligible for retransmission are:
* -- Requests in client-REQUEST state (sec. 8.1.1)
* -- Acks in client-PARTOPEN state (sec. 8.1.5)
* -- CloseReq in server-CLOSEREQ state (sec. 8.3)
* -- Close in node-CLOSING state (sec. 8.3) */
* -- Requests in client-REQUEST state (sec. 8.1.1)
* -- Acks in client-PARTOPEN state (sec. 8.1.5)
* -- CloseReq in server-CLOSEREQ state (sec. 8.3)
* -- Close in node-CLOSING state (sec. 8.3) */
BUG_TRAP(sk->sk_send_head != NULL);
/*
/*
* More than than 4MSL (8 minutes) has passed, a RESET(aborted) was
* sent, no need to retransmit, this sock is dead.
*/
@ -200,7 +200,7 @@ static void dccp_keepalive_timer(unsigned long data)
/* Only process if socket is not in use. */
bh_lock_sock(sk);
if (sock_owned_by_user(sk)) {
/* Try again later. */
/* Try again later. */
inet_csk_reset_keepalive_timer(sk, HZ / 20);
goto out;
}