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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

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This commit is contained in:
Linus Torvalds 2005-09-10 17:42:47 -07:00
commit 2f79f458d2
9 changed files with 115 additions and 140 deletions
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56
include/linux/in6.h
View File

@ -198,27 +198,43 @@ struct in6_flowlabel_req
* MCAST_MSFILTER 48
*/
/* RFC3542 advanced socket options (50-67) */
#define IPV6_RECVPKTINFO 50
#define IPV6_PKTINFO 51
#if 0
#define IPV6_RECVPATHMTU 52
#define IPV6_PATHMTU 53
#define IPV6_DONTFRAG 54
#define IPV6_USE_MIN_MTU 55
/*
* Advanced API (RFC3542) (1)
*
* Note: IPV6_RECVRTHDRDSTOPTS does not exist. see net/ipv6/datagram.c.
*/
#define IPV6_RECVPKTINFO 49
#define IPV6_PKTINFO 50
#define IPV6_RECVHOPLIMIT 51
#define IPV6_HOPLIMIT 52
#define IPV6_RECVHOPOPTS 53
#define IPV6_HOPOPTS 54
#define IPV6_RTHDRDSTOPTS 55
#define IPV6_RECVRTHDR 56
#define IPV6_RTHDR 57
#define IPV6_RECVDSTOPTS 58
#define IPV6_DSTOPTS 59
#if 0 /* not yet */
#define IPV6_RECVPATHMTU 60
#define IPV6_PATHMTU 61
#define IPV6_DONTFRAG 62
#define IPV6_USE_MIN_MTU 63
#endif
#define IPV6_RECVHOPOPTS 56
#define IPV6_HOPOPTS 57
#if 0
#define IPV6_RECVRTHDRDSTOPTS 58 /* Unused, see net/ipv6/datagram.c */
#endif
#define IPV6_RTHDRDSTOPTS 59
#define IPV6_RECVRTHDR 60
#define IPV6_RTHDR 61
#define IPV6_RECVDSTOPTS 62
#define IPV6_DSTOPTS 63
#define IPV6_RECVHOPLIMIT 64
#define IPV6_HOPLIMIT 65
/*
* Netfilter
*
* Following socket options are used in ip6_tables;
* see include/linux/netfilter_ipv6/ip6_tables.h.
*
* IP6T_SO_SET_REPLACE / IP6T_SO_GET_INFO 64
* IP6T_SO_SET_ADD_COUNTERS / IP6T_SO_GET_ENTRIES 65
*/
/*
* Advanced API (RFC3542) (2)
*/
#define IPV6_RECVTCLASS 66
#define IPV6_TCLASS 67

2
include/linux/ipv6.h
View File

@ -68,7 +68,7 @@ struct ipv6_opt_hdr {
struct rt0_hdr {
struct ipv6_rt_hdr rt_hdr;
__u32 bitmap; /* strict/loose bit map */
__u32 reserved;
struct in6_addr addr[0];
#define rt0_type rt_hdr.type

166
net/dccp/ccids/ccid3.c
View File

@ -78,13 +78,11 @@ static struct dccp_li_hist *ccid3_li_hist;
static int ccid3_init(struct sock *sk)
{
ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);
return 0;
}
static void ccid3_exit(struct sock *sk)
{
ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);
}
/* TFRC sender states */
@ -287,14 +285,14 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
long delay;
int rc = -ENOTCONN;
/* Check if pure ACK or Terminating*/
BUG_ON(hctx == NULL || hctx->ccid3hctx_state == TFRC_SSTATE_TERM);
/* Check if pure ACK or Terminating*/
/*
* XXX: We only call this function for DATA and DATAACK, on, these
* packets can have zero length, but why the comment about "pure ACK"?
*/
if (hctx == NULL || len == 0 ||
hctx->ccid3hctx_state == TFRC_SSTATE_TERM)
if (unlikely(len == 0))
goto out;
/* See if last packet allocated was not sent */
@ -304,10 +302,10 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
SLAB_ATOMIC);
rc = -ENOBUFS;
if (new_packet == NULL) {
ccid3_pr_debug("%s, sk=%p, not enough mem to add "
"to history, send refused\n",
dccp_role(sk), sk);
if (unlikely(new_packet == NULL)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, not enough "
"mem to add to history, send refused\n",
__FUNCTION__, dccp_role(sk), sk);
goto out;
}
@ -318,9 +316,6 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
switch (hctx->ccid3hctx_state) {
case TFRC_SSTATE_NO_SENT:
ccid3_pr_debug("%s, sk=%p, first packet(%llu)\n",
dccp_role(sk), sk, dp->dccps_gss);
hctx->ccid3hctx_no_feedback_timer.function = ccid3_hc_tx_no_feedback_timer;
hctx->ccid3hctx_no_feedback_timer.data = (unsigned long)sk;
sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
@ -328,7 +323,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
hctx->ccid3hctx_last_win_count = 0;
hctx->ccid3hctx_t_last_win_count = now;
ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
hctx->ccid3hctx_t_ipi = TFRC_INITIAL_TIMEOUT;
hctx->ccid3hctx_t_ipi = TFRC_INITIAL_IPI;
/* Set nominal send time for initial packet */
hctx->ccid3hctx_t_nom = now;
@ -341,7 +336,6 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
case TFRC_SSTATE_FBACK:
delay = (timeval_delta(&now, &hctx->ccid3hctx_t_nom) -
hctx->ccid3hctx_delta);
ccid3_pr_debug("send_packet delay=%ld\n", delay);
delay /= -1000;
/* divide by -1000 is to convert to ms and get sign right */
rc = delay > 0 ? delay : 0;
@ -371,13 +365,7 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, int len)
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
struct timeval now;
BUG_ON(hctx == NULL);
if (hctx->ccid3hctx_state == TFRC_SSTATE_TERM) {
ccid3_pr_debug("%s, sk=%p, while state is TFRC_SSTATE_TERM!\n",
dccp_role(sk), sk);
return;
}
BUG_ON(hctx == NULL || hctx->ccid3hctx_state == TFRC_SSTATE_TERM);
dccp_timestamp(sk, &now);
@ -387,14 +375,14 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, int len)
struct dccp_tx_hist_entry *packet;
packet = dccp_tx_hist_head(&hctx->ccid3hctx_hist);
if (packet == NULL) {
printk(KERN_CRIT "%s: packet doesn't exists in "
"history!\n", __FUNCTION__);
if (unlikely(packet == NULL)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: packet doesn't "
"exists in history!\n", __FUNCTION__);
return;
}
if (packet->dccphtx_sent) {
printk(KERN_CRIT "%s: no unsent packet in history!\n",
__FUNCTION__);
if (unlikely(packet->dccphtx_sent)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: no unsent packet in "
"history!\n", __FUNCTION__);
return;
}
packet->dccphtx_tstamp = now;
@ -465,14 +453,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
u32 x_recv;
u32 r_sample;
if (hctx == NULL)
return;
if (hctx->ccid3hctx_state == TFRC_SSTATE_TERM) {
ccid3_pr_debug("%s, sk=%p, received a packet when "
"terminating!\n", dccp_role(sk), sk);
return;
}
BUG_ON(hctx == NULL || hctx->ccid3hctx_state == TFRC_SSTATE_TERM);
/* we are only interested in ACKs */
if (!(DCCP_SKB_CB(skb)->dccpd_type == DCCP_PKT_ACK ||
@ -496,12 +477,12 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
/* get t_recvdata from history */
packet = dccp_tx_hist_find_entry(&hctx->ccid3hctx_hist,
DCCP_SKB_CB(skb)->dccpd_ack_seq);
if (packet == NULL) {
ccid3_pr_debug("%s, sk=%p, seqno %llu(%s) does't "
"exist in history!\n",
dccp_role(sk), sk,
DCCP_SKB_CB(skb)->dccpd_ack_seq,
dccp_packet_name(DCCP_SKB_CB(skb)->dccpd_type));
if (unlikely(packet == NULL)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, seqno "
"%llu(%s) does't exist in history!\n",
__FUNCTION__, dccp_role(sk), sk,
(unsigned long long)DCCP_SKB_CB(skb)->dccpd_ack_seq,
dccp_packet_name(DCCP_SKB_CB(skb)->dccpd_type));
return;
}
@ -509,8 +490,8 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
dccp_timestamp(sk, &now);
r_sample = timeval_delta(&now, &packet->dccphtx_tstamp);
if (unlikely(r_sample <= t_elapsed))
LIMIT_NETDEBUG(KERN_WARNING
"%s: r_sample=%uus, t_elapsed=%uus\n",
LIMIT_NETDEBUG(KERN_WARNING "%s: r_sample=%uus, "
"t_elapsed=%uus\n",
__FUNCTION__, r_sample, t_elapsed);
else
r_sample -= t_elapsed;
@ -606,10 +587,11 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
static void ccid3_hc_tx_insert_options(struct sock *sk, struct sk_buff *skb)
{
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
if (hctx == NULL || !(sk->sk_state == DCCP_OPEN ||
sk->sk_state == DCCP_PARTOPEN))
BUG_ON(hctx == NULL);
if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
return;
DCCP_SKB_CB(skb)->dccpd_ccval = hctx->ccid3hctx_last_win_count;
@ -624,8 +606,7 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
struct ccid3_options_received *opt_recv;
if (hctx == NULL)
return 0;
BUG_ON(hctx == NULL);
opt_recv = &hctx->ccid3hctx_options_received;
@ -639,10 +620,10 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
switch (option) {
case TFRC_OPT_LOSS_EVENT_RATE:
if (len != 4) {
ccid3_pr_debug("%s, sk=%p, invalid len for "
"TFRC_OPT_LOSS_EVENT_RATE\n",
dccp_role(sk), sk);
if (unlikely(len != 4)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, invalid "
"len for TFRC_OPT_LOSS_EVENT_RATE\n",
__FUNCTION__, dccp_role(sk), sk);
rc = -EINVAL;
} else {
opt_recv->ccid3or_loss_event_rate = ntohl(*(u32 *)value);
@ -660,10 +641,10 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
opt_recv->ccid3or_loss_intervals_len);
break;
case TFRC_OPT_RECEIVE_RATE:
if (len != 4) {
ccid3_pr_debug("%s, sk=%p, invalid len for "
"TFRC_OPT_RECEIVE_RATE\n",
dccp_role(sk), sk);
if (unlikely(len != 4)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, invalid "
"len for TFRC_OPT_RECEIVE_RATE\n",
__FUNCTION__, dccp_role(sk), sk);
rc = -EINVAL;
} else {
opt_recv->ccid3or_receive_rate = ntohl(*(u32 *)value);
@ -682,8 +663,6 @@ static int ccid3_hc_tx_init(struct sock *sk)
struct dccp_sock *dp = dccp_sk(sk);
struct ccid3_hc_tx_sock *hctx;
ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);
dp->dccps_hc_tx_ccid_private = kmalloc(sizeof(*hctx), gfp_any());
if (dp->dccps_hc_tx_ccid_private == NULL)
return -ENOMEM;
@ -712,7 +691,6 @@ static void ccid3_hc_tx_exit(struct sock *sk)
struct dccp_sock *dp = dccp_sk(sk);
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);
BUG_ON(hctx == NULL);
ccid3_hc_tx_set_state(sk, TFRC_SSTATE_TERM);
@ -792,10 +770,10 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk)
}
packet = dccp_rx_hist_find_data_packet(&hcrx->ccid3hcrx_hist);
if (packet == NULL) {
printk(KERN_CRIT "%s: %s, sk=%p, no data packet in history!\n",
__FUNCTION__, dccp_role(sk), sk);
dump_stack();
if (unlikely(packet == NULL)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, no data packet "
"in history!\n",
__FUNCTION__, dccp_role(sk), sk);
return;
}
@ -817,11 +795,12 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk)
static void ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
{
struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
const struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
u32 x_recv, pinv;
if (hcrx == NULL || !(sk->sk_state == DCCP_OPEN ||
sk->sk_state == DCCP_PARTOPEN))
BUG_ON(hcrx == NULL);
if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
return;
DCCP_SKB_CB(skb)->dccpd_ccval = hcrx->ccid3hcrx_last_counter;
@ -878,17 +857,17 @@ static u32 ccid3_hc_rx_calc_first_li(struct sock *sk)
}
}
if (step == 0) {
printk(KERN_CRIT "%s: %s, sk=%p, packet history contains no "
"data packets!\n",
__FUNCTION__, dccp_role(sk), sk);
if (unlikely(step == 0)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, packet history "
"contains no data packets!\n",
__FUNCTION__, dccp_role(sk), sk);
return ~0;
}
if (interval == 0) {
ccid3_pr_debug("%s, sk=%p, Could not find a win_count "
"interval > 0. Defaulting to 1\n",
dccp_role(sk), sk);
if (unlikely(interval == 0)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, Could not find a "
"win_count interval > 0. Defaulting to 1\n",
__FUNCTION__, dccp_role(sk), sk);
interval = 1;
}
found:
@ -931,8 +910,9 @@ static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss)
if (li_tail == NULL)
return;
li_tail->dccplih_interval = ccid3_hc_rx_calc_first_li(sk);
}
/* FIXME: find end of interval */
} else
LIMIT_NETDEBUG(KERN_WARNING "%s: FIXME: find end of "
"interval\n", __FUNCTION__);
}
static void ccid3_hc_rx_detect_loss(struct sock *sk)
@ -956,10 +936,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
u32 p_prev, r_sample, t_elapsed;
int ins;
if (hcrx == NULL)
return;
BUG_ON(!(hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA ||
BUG_ON(hcrx == NULL ||
!(hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA ||
hcrx->ccid3hcrx_state == TFRC_RSTATE_DATA));
opt_recv = &dccp_sk(sk)->dccps_options_received;
@ -978,8 +956,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
t_elapsed = opt_recv->dccpor_elapsed_time * 10;
if (unlikely(r_sample <= t_elapsed))
LIMIT_NETDEBUG(KERN_WARNING
"%s: r_sample=%uus, t_elapsed=%uus\n",
LIMIT_NETDEBUG(KERN_WARNING "%s: r_sample=%uus, "
"t_elapsed=%uus\n",
__FUNCTION__, r_sample, t_elapsed);
else
r_sample -= t_elapsed;
@ -997,19 +975,16 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
break;
case DCCP_PKT_DATA:
break;
default:
ccid3_pr_debug("%s, sk=%p, not DATA/DATAACK/ACK packet(%s)\n",
dccp_role(sk), sk,
dccp_packet_name(DCCP_SKB_CB(skb)->dccpd_type));
default: /* We're not interested in other packet types, move along */
return;
}
packet = dccp_rx_hist_entry_new(ccid3_rx_hist, sk, opt_recv->dccpor_ndp,
skb, SLAB_ATOMIC);
if (packet == NULL) {
ccid3_pr_debug("%s, sk=%p, Not enough mem to add rx packet "
"to history (consider it lost)!",
dccp_role(sk), sk);
if (unlikely(packet == NULL)) {
LIMIT_NETDEBUG(KERN_WARNING "%s: %s, sk=%p, Not enough mem to "
"add rx packet to history, consider it lost!\n",
__FUNCTION__, dccp_role(sk), sk);
return;
}
@ -1102,10 +1077,7 @@ static void ccid3_hc_rx_exit(struct sock *sk)
struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
struct dccp_sock *dp = dccp_sk(sk);
ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);
if (hcrx == NULL)
return;
BUG_ON(hcrx == NULL);
ccid3_hc_rx_set_state(sk, TFRC_RSTATE_TERM);
@ -1123,8 +1095,7 @@ static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
{
const struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
if (hcrx == NULL)
return;
BUG_ON(hcrx == NULL);
info->tcpi_ca_state = hcrx->ccid3hcrx_state;
info->tcpi_options |= TCPI_OPT_TIMESTAMPS;
@ -1135,8 +1106,7 @@ static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
{
const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
if (hctx == NULL)
return;
BUG_ON(hctx == NULL);
info->tcpi_rto = hctx->ccid3hctx_t_rto;
info->tcpi_rtt = hctx->ccid3hctx_rtt;

2
net/dccp/ccids/ccid3.h
View File

@ -48,6 +48,8 @@
/* Two seconds as per CCID3 spec */
#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC)
#define TFRC_INITIAL_IPI (USEC_PER_SEC / 4)
/* In usecs - half the scheduling granularity as per RFC3448 4.6 */
#define TFRC_OPSYS_HALF_TIME_GRAN (USEC_PER_SEC / (2 * HZ))

4
net/dccp/ipv4.c
View File

@ -641,16 +641,12 @@ int dccp_v4_send_reset(struct sock *sk, enum dccp_reset_codes code)
skb = dccp_make_reset(sk, sk->sk_dst_cache, code);
if (skb != NULL) {
const struct dccp_sock *dp = dccp_sk(sk);
const struct inet_sock *inet = inet_sk(sk);
err = ip_build_and_send_pkt(skb, sk,
inet->saddr, inet->daddr, NULL);
if (err == NET_XMIT_CN)
err = 0;
ccid_hc_rx_exit(dp->dccps_hc_rx_ccid, sk);
ccid_hc_tx_exit(dp->dccps_hc_tx_ccid, sk);
}
return err;

3
net/dccp/output.c
View File

@ -522,7 +522,4 @@ void dccp_send_close(struct sock *sk, const int active)
dccp_transmit_skb(sk, skb_clone(skb, prio));
} else
dccp_transmit_skb(sk, skb);
ccid_hc_rx_exit(dp->dccps_hc_rx_ccid, sk);
ccid_hc_tx_exit(dp->dccps_hc_tx_ccid, sk);
}

5
net/ipv4/tcp_output.c
View File

@ -485,11 +485,6 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
TCP_SKB_CB(buff)->when = TCP_SKB_CB(skb)->when;
buff->tstamp = skb->tstamp;
if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
tp->lost_out -= tcp_skb_pcount(skb);
tp->left_out -= tcp_skb_pcount(skb);
}
old_factor = tcp_skb_pcount(skb);
/* Fix up tso_factor for both original and new SKB. */

3
net/ipv6/exthdrs.c
View File

@ -406,8 +406,7 @@ ipv6_invert_rthdr(struct sock *sk, struct ipv6_rt_hdr *hdr)
memcpy(opt->srcrt, hdr, sizeof(*hdr));
irthdr = (struct rt0_hdr*)opt->srcrt;
/* Obsolete field, MBZ, when originated by us */
irthdr->bitmap = 0;
irthdr->reserved = 0;
opt->srcrt->segments_left = n;
for (i=0; i<n; i++)
memcpy(irthdr->addr+i, rthdr->addr+(n-1-i), 16);

14
net/ipv6/netfilter/ip6t_rt.c
View File

@ -161,8 +161,8 @@ match(const struct sk_buff *skb,
((rtinfo->hdrlen == hdrlen) ^
!!(rtinfo->invflags & IP6T_RT_INV_LEN))));
DEBUGP("res %02X %02X %02X ",
(rtinfo->flags & IP6T_RT_RES), ((struct rt0_hdr *)rh)->bitmap,
!((rtinfo->flags & IP6T_RT_RES) && (((struct rt0_hdr *)rh)->bitmap)));
(rtinfo->flags & IP6T_RT_RES), ((struct rt0_hdr *)rh)->reserved,
!((rtinfo->flags & IP6T_RT_RES) && (((struct rt0_hdr *)rh)->reserved)));
ret = (rh != NULL)
&&
@ -179,12 +179,12 @@ match(const struct sk_buff *skb,
!!(rtinfo->invflags & IP6T_RT_INV_TYP)));
if (ret && (rtinfo->flags & IP6T_RT_RES)) {
u_int32_t *bp, _bitmap;
bp = skb_header_pointer(skb,
ptr + offsetof(struct rt0_hdr, bitmap),
sizeof(_bitmap), &_bitmap);
u_int32_t *rp, _reserved;
rp = skb_header_pointer(skb,
ptr + offsetof(struct rt0_hdr, reserved),
sizeof(_reserved), &_reserved);
ret = (*bp == 0);
ret = (*rp == 0);
}
DEBUGP("#%d ",rtinfo->addrnr);