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Cleanup trailing spaces and convert tabs to spaces

Browse source 
This commit removes trailing spaces and converts
tabs to spaces in all files affected by fix-doxygen PR.
This commit is contained in:
Tommy Sparber 2015-10-30 21:41:59 +11:00
parent 9bb3a3a235
commit 938a425949
29 changed files with 1001 additions and 1033 deletions
Download patch file Download diff file Expand all files Collapse all files

186
core/net/ipv6/uip6.c
View file

@ -103,7 +103,7 @@ void uip_log(char *msg);
#if UIP_STATISTICS == 1
struct uip_stats uip_stat;
#endif /* UIP_STATISTICS == 1 */
/*---------------------------------------------------------------------------*/
/**
@ -299,15 +299,15 @@ uip_add32(uint8_t *op32, uint16_t op16)
uip_acc32[2] = op32[2] + (op16 >> 8);
uip_acc32[1] = op32[1];
uip_acc32[0] = op32[0];
if(uip_acc32[2] < (op16 >> 8)) {
++uip_acc32[1];
if(uip_acc32[1] == 0) {
++uip_acc32[0];
}
}
if(uip_acc32[3] < (op16 & 0xff)) {
++uip_acc32[2];
if(uip_acc32[2] == 0) {
@ -332,7 +332,7 @@ chksum(uint16_t sum, const uint8_t *data, uint16_t len)
dataptr = data;
last_byte = data + len - 1;
while(dataptr < last_byte) { /* At least two more bytes */
t = (dataptr[0] << 8) + dataptr[1];
sum += t;
@ -341,7 +341,7 @@ chksum(uint16_t sum, const uint8_t *data, uint16_t len)
}
dataptr += 2;
}
if(dataptr == last_byte) {
t = (dataptr[0] << 8) + 0;
sum += t;
@ -386,11 +386,11 @@ upper_layer_chksum(uint8_t proto)
*/
volatile uint16_t upper_layer_len;
uint16_t sum;
upper_layer_len = (((uint16_t)(UIP_IP_BUF->len[0]) << 8) + UIP_IP_BUF->len[1] - uip_ext_len);
PRINTF("Upper layer checksum len: %d from: %d\n", upper_layer_len,
UIP_IPH_LEN + UIP_LLH_LEN + uip_ext_len);
UIP_IPH_LEN + UIP_LLH_LEN + uip_ext_len);
/* First sum pseudoheader. */
/* IP protocol and length fields. This addition cannot carry. */
@ -401,7 +401,7 @@ upper_layer_chksum(uint8_t proto)
/* Sum TCP header and data. */
sum = chksum(sum, &uip_buf[UIP_IPH_LEN + UIP_LLH_LEN + uip_ext_len],
upper_layer_len);
return (sum == 0) ? 0xffff : uip_htons(sum);
}
/*---------------------------------------------------------------------------*/
@ -409,7 +409,7 @@ uint16_t
uip_icmp6chksum(void)
{
return upper_layer_chksum(UIP_PROTO_ICMP6);
}
/*---------------------------------------------------------------------------*/
#if UIP_TCP
@ -432,7 +432,7 @@ uip_udpchksum(void)
void
uip_init(void)
{
uip_ds6_init();
uip_icmp6_init();
uip_nd6_init();
@ -466,7 +466,7 @@ struct uip_conn *
uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
{
register struct uip_conn *conn, *cconn;
/* Find an unused local port. */
again:
++lastport;
@ -503,7 +503,7 @@ uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
if(conn == 0) {
return 0;
}
conn->tcpstateflags = UIP_SYN_SENT;
conn->snd_nxt[0] = iss[0];
@ -517,7 +517,7 @@ uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
conn->rcv_nxt[3] = 0;
conn->initialmss = conn->mss = UIP_TCP_MSS;
conn->len = 1; /* TCP length of the SYN is one. */
conn->nrtx = 0;
conn->timer = 1; /* Send the SYN next time around. */
@ -527,7 +527,7 @@ uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
conn->lport = uip_htons(lastport);
conn->rport = rport;
uip_ipaddr_copy(&conn->ripaddr, ripaddr);
return conn;
}
#endif /* UIP_TCP && UIP_ACTIVE_OPEN */
@ -538,14 +538,14 @@ remove_ext_hdr(void)
/* Remove ext header before TCP/UDP processing. */
if(uip_ext_len > 0) {
PRINTF("Cutting ext-header before processing (extlen: %d, uiplen: %d)\n",
uip_ext_len, uip_len);
uip_ext_len, uip_len);
if(uip_len < UIP_IPH_LEN + uip_ext_len) {
PRINTF("ERROR: uip_len too short compared to ext len\n");
uip_clear_buf();
return;
}
memmove(((uint8_t *)UIP_TCP_BUF), (uint8_t *)UIP_TCP_BUF + uip_ext_len,
uip_len - UIP_IPH_LEN - uip_ext_len);
uip_len - UIP_IPH_LEN - uip_ext_len);
uip_len -= uip_ext_len;
@ -561,7 +561,7 @@ struct uip_udp_conn *
uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
{
register struct uip_udp_conn *conn;
/* Find an unused local port. */
again:
++lastport;
@ -569,7 +569,7 @@ uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
if(lastport >= 32000) {
lastport = 4096;
}
for(c = 0; c < UIP_UDP_CONNS; ++c) {
if(uip_udp_conns[c].lport == uip_htons(lastport)) {
goto again;
@ -587,7 +587,7 @@ uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
if(conn == 0) {
return 0;
}
conn->lport = UIP_HTONS(lastport);
conn->rport = rport;
if(ripaddr == NULL) {
@ -596,7 +596,7 @@ uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
uip_ipaddr_copy(&conn->ripaddr, ripaddr);
}
conn->ttl = uip_ds6_if.cur_hop_limit;
return conn;
}
#endif /* UIP_UDP */
@ -668,7 +668,7 @@ uip_reass(void)
uint16_t offset=0;
uint16_t len;
uint16_t i;
/* If ip_reasstmr is zero, no packet is present in the buffer */
/* We first write the unfragmentable part of IP header into the reassembly
buffer. The reset the other reassembly variables. */
@ -710,9 +710,9 @@ uip_reass(void)
PRINTF("dest ");
PRINT6ADDR(&FBUF->destipaddr);
PRINTF("next %d\n", UIP_IP_BUF->proto);
}
/* If the offset or the offset + fragment length overflows the
reassembly buffer, we discard the entire packet. */
if(offset > UIP_REASS_BUFSIZE ||
@ -744,12 +744,12 @@ uip_reass(void)
return uip_len;
}
}
/* Copy the fragment into the reassembly buffer, at the right
offset. */
memcpy((uint8_t *)FBUF + UIP_IPH_LEN + uip_ext_len + offset,
(uint8_t *)UIP_FRAG_BUF + UIP_FRAGH_LEN, len);
/* Update the bitmap. */
if(offset >> 6 == (offset + len) >> 6) {
uip_reassbitmap[offset >> 6] |=
@ -760,18 +760,18 @@ uip_reass(void)
bytes in the endpoints and fill the stuff inbetween with
0xff. */
uip_reassbitmap[offset >> 6] |= bitmap_bits[(offset >> 3) & 7];
for(i = (1 + (offset >> 6)); i < ((offset + len) >> 6); ++i) {
uip_reassbitmap[i] = 0xff;
}
uip_reassbitmap[(offset + len) >> 6] |=
~bitmap_bits[((offset + len) >> 3) & 7];
}
/* Finally, we check if we have a full packet in the buffer. We do
this by checking if we have the last fragment and if all bits
in the bitmap are set. */
if(uip_reassflags & UIP_REASS_FLAG_LASTFRAG) {
/* Check all bytes up to and including all but the last byte in
the bitmap. */
@ -798,9 +798,9 @@ uip_reass(void)
UIP_IP_BUF->len[1] = ((uip_reasslen - UIP_IPH_LEN) & 0xff);
PRINTF("REASSEMBLED PAQUET %d (%d)\n", uip_reasslen,
(UIP_IP_BUF->len[0] << 8) | UIP_IP_BUF->len[1]);
return uip_reasslen;
}
} else {
PRINTF("Already reassembling another paquet\n");
@ -831,7 +831,7 @@ uip_reass_over(void)
memcpy(UIP_IP_BUF, FBUF, UIP_IPH_LEN); /* copy the header for src
and dest address*/
uip_icmp6_error_output(ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY, 0);
UIP_STAT(++uip_stat.ip.sent);
uip_flags = 0;
}
@ -881,14 +881,14 @@ ext_hdr_options_process(void)
uip_ext_opt_offset += UIP_EXT_HDR_OPT_PADN_BUF->opt_len + 2;
break;
case UIP_EXT_HDR_OPT_RPL:
/* Fixes situation when a node that is not using RPL
* joins a network which does. The received packages will include the
* RPL header and processed by the "default" case of the switch
* (0x63 & 0xC0 = 0x40). Hence, the packet is discarded as the header
* is considered invalid.
* Using this fix, the header is ignored, and the next header (if
* present) is processed.
*/
/* Fixes situation when a node that is not using RPL
* joins a network which does. The received packages will include the
* RPL header and processed by the "default" case of the switch
* (0x63 & 0xC0 = 0x40). Hence, the packet is discarded as the header
* is considered invalid.
* Using this fix, the header is ignored, and the next header (if
* present) is processed.
*/
#if UIP_CONF_IPV6_RPL
PRINTF("Processing RPL option\n");
if(rpl_verify_header(uip_ext_opt_offset)) {
@ -949,7 +949,7 @@ uip_process(uint8_t flag)
}
#endif /* UIP_UDP */
uip_sappdata = uip_appdata = &uip_buf[UIP_IPTCPH_LEN + UIP_LLH_LEN];
/* Check if we were invoked because of a poll request for a
particular connection. */
if(flag == UIP_POLL_REQUEST) {
@ -974,7 +974,7 @@ uip_process(uint8_t flag)
#if UIP_TCP
uip_clear_buf();
uip_slen = 0;
/* Increase the initial sequence number. */
if(++iss[3] == 0) {
if(++iss[2] == 0) {
@ -983,7 +983,7 @@ uip_process(uint8_t flag)
}
}
}
/*
* Check if the connection is in a state in which we simply wait
* for the connection to time out. If so, we increase the
@ -1009,7 +1009,7 @@ uip_process(uint8_t flag)
uip_connr->tcpstateflags == UIP_SYN_RCVD) &&
uip_connr->nrtx == UIP_MAXSYNRTX)) {
uip_connr->tcpstateflags = UIP_CLOSED;
/*
* We call UIP_APPCALL() with uip_flags set to
* UIP_TIMEDOUT to inform the application that the
@ -1017,18 +1017,18 @@ uip_process(uint8_t flag)
*/
uip_flags = UIP_TIMEDOUT;
UIP_APPCALL();
/* We also send a reset packet to the remote host. */
UIP_TCP_BUF->flags = TCP_RST | TCP_ACK;
goto tcp_send_nodata;
}
/* Exponential backoff. */
uip_connr->timer = UIP_RTO << (uip_connr->nrtx > 4?
4:
uip_connr->nrtx);
++(uip_connr->nrtx);
/*
* Ok, so we need to retransmit. We do this differently
* depending on which state we are in. In ESTABLISHED, we
@ -1042,14 +1042,14 @@ uip_process(uint8_t flag)
case UIP_SYN_RCVD:
/* In the SYN_RCVD state, we should retransmit our SYNACK. */
goto tcp_send_synack;
#if UIP_ACTIVE_OPEN
case UIP_SYN_SENT:
/* In the SYN_SENT state, we retransmit out SYN. */
UIP_TCP_BUF->flags = 0;
goto tcp_send_syn;
#endif /* UIP_ACTIVE_OPEN */
case UIP_ESTABLISHED:
/*
* In the ESTABLISHED state, we call upon the application
@ -1060,7 +1060,7 @@ uip_process(uint8_t flag)
uip_flags = UIP_REXMIT;
UIP_APPCALL();
goto apprexmit;
case UIP_FIN_WAIT_1:
case UIP_CLOSING:
case UIP_LAST_ACK:
@ -1096,12 +1096,12 @@ uip_process(uint8_t flag)
}
#endif /* UIP_UDP */
/* This is where the input processing starts. */
UIP_STAT(++uip_stat.ip.recv);
/* Start of IP input header processing code. */
/* Check validity of the IP header. */
if((UIP_IP_BUF->vtc & 0xf0) != 0x60) { /* IP version and header length. */
UIP_STAT(++uip_stat.ip.drop);
@ -1117,7 +1117,7 @@ uip_process(uint8_t flag)
* the packet has been padded and we set uip_len to the correct
* value..
*/
if((UIP_IP_BUF->len[0] << 8) + UIP_IP_BUF->len[1] <= uip_len) {
uip_len = (UIP_IP_BUF->len[0] << 8) + UIP_IP_BUF->len[1] + UIP_IPH_LEN;
/*
@ -1135,7 +1135,7 @@ uip_process(uint8_t flag)
UIP_LOG("ip: packet shorter than reported in IP header.");
goto drop;
}
PRINTF("IPv6 packet received from ");
PRINT6ADDR(&UIP_IP_BUF->srcipaddr);
PRINTF(" to ");
@ -1168,11 +1168,11 @@ uip_process(uint8_t flag)
uip_ext_len += (UIP_EXT_BUF->len << 3) + 8;
break;
case 1:
PRINTF("Dropping packet after extension header processing\n");
PRINTF("Dropping packet after extension header processing\n");
/* silently discard */
goto drop;
case 2:
PRINTF("Sending error message after extension header processing\n");
PRINTF("Sending error message after extension header processing\n");
/* send icmp error message (created in ext_hdr_options_process)
* and discard*/
goto send;
@ -1417,7 +1417,7 @@ uip_process(uint8_t flag)
UIP_LOG("ip6: unrecognized header");
goto send;
/* End of headers processing */
icmp6_input:
/* This is IPv6 ICMPv6 processing code. */
PRINTF("icmp6_input: length %d type: %d \n", uip_len, UIP_ICMP_BUF->type);
@ -1459,14 +1459,14 @@ uip_process(uint8_t flag)
UIP_LOG("icmp6: unknown ICMPv6 message.");
uip_clear_buf();
}
if(uip_len > 0) {
goto send;
} else {
goto drop;
}
/* End of IPv6 ICMP processing. */
#if UIP_UDP
/* UDP input processing. */
@ -1475,7 +1475,7 @@ uip_process(uint8_t flag)
remove_ext_hdr();
PRINTF("Receiving UDP packet\n");
/* UDP processing is really just a hack. We don't do anything to the
UDP/IP headers, but let the UDP application do all the hard
work. If the application sets uip_slen, it has a packet to
@ -1538,7 +1538,7 @@ uip_process(uint8_t flag)
udp_found:
PRINTF("In udp_found\n");
UIP_STAT(++uip_stat.udp.recv);
uip_conn = NULL;
uip_flags = UIP_NEWDATA;
uip_sappdata = uip_appdata = &uip_buf[UIP_IPUDPH_LEN + UIP_LLH_LEN];
@ -1597,7 +1597,7 @@ uip_process(uint8_t flag)
UIP_STAT(++uip_stat.tcp.recv);
PRINTF("Receiving TCP packet\n");
/* Start of TCP input header processing code. */
if(uip_tcpchksum() != 0xffff) { /* Compute and check the TCP
checksum. */
UIP_STAT(++uip_stat.tcp.drop);
@ -1632,7 +1632,7 @@ uip_process(uint8_t flag)
if((UIP_TCP_BUF->flags & TCP_CTL) != TCP_SYN) {
goto reset;
}
tmp16 = UIP_TCP_BUF->destport;
/* Next, check listening connections. */
for(c = 0; c < UIP_LISTENPORTS; ++c) {
@ -1640,7 +1640,7 @@ uip_process(uint8_t flag)
goto found_listen;
}
}
/* No matching connection found, so we send a RST packet. */
UIP_STAT(++uip_stat.tcp.synrst);
@ -1652,7 +1652,7 @@ uip_process(uint8_t flag)
}
UIP_STAT(++uip_stat.tcp.rst);
UIP_TCP_BUF->flags = TCP_RST | TCP_ACK;
uip_len = UIP_IPTCPH_LEN;
UIP_TCP_BUF->tcpoffset = 5 << 4;
@ -1661,15 +1661,15 @@ uip_process(uint8_t flag)
c = UIP_TCP_BUF->seqno[3];
UIP_TCP_BUF->seqno[3] = UIP_TCP_BUF->ackno[3];
UIP_TCP_BUF->ackno[3] = c;
c = UIP_TCP_BUF->seqno[2];
UIP_TCP_BUF->seqno[2] = UIP_TCP_BUF->ackno[2];
UIP_TCP_BUF->ackno[2] = c;
c = UIP_TCP_BUF->seqno[1];
UIP_TCP_BUF->seqno[1] = UIP_TCP_BUF->ackno[1];
UIP_TCP_BUF->ackno[1] = c;
c = UIP_TCP_BUF->seqno[0];
UIP_TCP_BUF->seqno[0] = UIP_TCP_BUF->ackno[0];
UIP_TCP_BUF->ackno[0] = c;
@ -1684,12 +1684,12 @@ uip_process(uint8_t flag)
}
}
}
/* Swap port numbers. */
tmp16 = UIP_TCP_BUF->srcport;
UIP_TCP_BUF->srcport = UIP_TCP_BUF->destport;
UIP_TCP_BUF->destport = tmp16;
/* Swap IP addresses. */
uip_ipaddr_copy(&UIP_IP_BUF->destipaddr, &UIP_IP_BUF->srcipaddr);
uip_ds6_select_src(&UIP_IP_BUF->srcipaddr, &UIP_IP_BUF->destipaddr);
@ -1730,7 +1730,7 @@ uip_process(uint8_t flag)
goto drop;
}
uip_conn = uip_connr;
/* Fill in the necessary fields for the new connection. */
uip_connr->rto = uip_connr->timer = UIP_RTO;
uip_connr->sa = 0;
@ -1771,7 +1771,7 @@ uip_process(uint8_t flag)
(uint16_t)uip_buf[UIP_IPTCPH_LEN + UIP_LLH_LEN + 3 + c];
uip_connr->initialmss = uip_connr->mss =
tmp16 > UIP_TCP_MSS? UIP_TCP_MSS: tmp16;
/* And we are done processing options. */
break;
} else {
@ -1786,19 +1786,19 @@ uip_process(uint8_t flag)
}
}
}
/* Our response will be a SYNACK. */
#if UIP_ACTIVE_OPEN
tcp_send_synack:
UIP_TCP_BUF->flags = TCP_ACK;
tcp_send_syn:
UIP_TCP_BUF->flags |= TCP_SYN;
#else /* UIP_ACTIVE_OPEN */
tcp_send_synack:
UIP_TCP_BUF->flags = TCP_SYN | TCP_ACK;
#endif /* UIP_ACTIVE_OPEN */
/* We send out the TCP Maximum Segment Size option with our
SYNACK. */
UIP_TCP_BUF->optdata[0] = TCP_OPT_MSS;
@ -1839,9 +1839,9 @@ uip_process(uint8_t flag)
receive a SYN, in which case we should retransmit our SYNACK
(which is done futher down). */
if(!((((uip_connr->tcpstateflags & UIP_TS_MASK) == UIP_SYN_SENT) &&
((UIP_TCP_BUF->flags & TCP_CTL) == (TCP_SYN | TCP_ACK))) ||
((UIP_TCP_BUF->flags & TCP_CTL) == (TCP_SYN | TCP_ACK))) ||
(((uip_connr->tcpstateflags & UIP_TS_MASK) == UIP_SYN_RCVD) &&
((UIP_TCP_BUF->flags & TCP_CTL) == TCP_SYN)))) {
((UIP_TCP_BUF->flags & TCP_CTL) == TCP_SYN)))) {
if((uip_len > 0 || ((UIP_TCP_BUF->flags & (TCP_SYN | TCP_FIN)) != 0)) &&
(UIP_TCP_BUF->seqno[0] != uip_connr->rcv_nxt[0] ||
UIP_TCP_BUF->seqno[1] != uip_connr->rcv_nxt[1] ||
@ -1875,7 +1875,7 @@ uip_process(uint8_t flag)
uip_connr->snd_nxt[1] = uip_acc32[1];
uip_connr->snd_nxt[2] = uip_acc32[2];
uip_connr->snd_nxt[3] = uip_acc32[3];
/* Do RTT estimation, unless we have done retransmissions. */
if(uip_connr->nrtx == 0) {
signed char m;
@ -1899,7 +1899,7 @@ uip_process(uint8_t flag)
/* Reset length of outstanding data. */
uip_connr->len = 0;
}
}
/* Do different things depending on in what state the connection is. */
@ -1927,7 +1927,7 @@ uip_process(uint8_t flag)
}
/* We need to retransmit the SYNACK */
if((UIP_TCP_BUF->flags & TCP_CTL) == TCP_SYN) {
goto tcp_send_synack;
goto tcp_send_synack;
}
goto drop;
#if UIP_ACTIVE_OPEN
@ -1991,7 +1991,7 @@ uip_process(uint8_t flag)
uip_conn->tcpstateflags = UIP_CLOSED;
goto reset;
#endif /* UIP_ACTIVE_OPEN */
case UIP_ESTABLISHED:
/* In the ESTABLISHED state, we call upon the application to feed
data into the uip_buf. If the UIP_ACKDATA flag is set, the
@ -2093,7 +2093,7 @@ uip_process(uint8_t flag)
UIP_APPCALL();
appsend:
if(uip_flags & UIP_ABORT) {
uip_slen = 0;
uip_connr->tcpstateflags = UIP_CLOSED;
@ -2145,7 +2145,7 @@ uip_process(uint8_t flag)
uip_connr->nrtx = 0;
apprexmit:
uip_appdata = uip_sappdata;
/* If the application has data to be sent, or if the incoming
packet had new data in it, we must send out a packet. */
if(uip_slen > 0 && uip_connr->len > 0) {
@ -2174,7 +2174,7 @@ uip_process(uint8_t flag)
UIP_APPCALL();
}
break;
case UIP_FIN_WAIT_1:
/* The application has closed the connection, but the remote host
hasn't closed its end yet. Thus we do nothing but wait for a
@ -2203,7 +2203,7 @@ uip_process(uint8_t flag)
goto tcp_send_ack;
}
goto drop;
case UIP_FIN_WAIT_2:
if(uip_len > 0) {
uip_add_rcv_nxt(uip_len);
@ -2223,7 +2223,7 @@ uip_process(uint8_t flag)
case UIP_TIME_WAIT:
goto tcp_send_ack;
case UIP_CLOSING:
if(uip_flags & UIP_ACKDATA) {
uip_connr->tcpstateflags = UIP_TIME_WAIT;
@ -2231,7 +2231,7 @@ uip_process(uint8_t flag)
}
}
goto drop;
/* We jump here when we are ready to send the packet, and just want
to set the appropriate TCP sequence numbers in the TCP header. */
tcp_send_ack:
@ -2249,12 +2249,12 @@ uip_process(uint8_t flag)
packet. */
tcp_send:
PRINTF("In tcp_send\n");
UIP_TCP_BUF->ackno[0] = uip_connr->rcv_nxt[0];
UIP_TCP_BUF->ackno[1] = uip_connr->rcv_nxt[1];
UIP_TCP_BUF->ackno[2] = uip_connr->rcv_nxt[2];
UIP_TCP_BUF->ackno[3] = uip_connr->rcv_nxt[3];
UIP_TCP_BUF->seqno[0] = uip_connr->snd_nxt[0];
UIP_TCP_BUF->seqno[1] = uip_connr->snd_nxt[1];
UIP_TCP_BUF->seqno[2] = uip_connr->snd_nxt[2];
@ -2288,7 +2288,7 @@ uip_process(uint8_t flag)
UIP_IP_BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
UIP_TCP_BUF->urgp[0] = UIP_TCP_BUF->urgp[1] = 0;
/* Calculate TCP checksum. */
UIP_TCP_BUF->tcpchksum = 0;
UIP_TCP_BUF->tcpchksum = ~(uip_tcpchksum());
@ -2304,7 +2304,7 @@ uip_process(uint8_t flag)
send:
PRINTF("Sending packet with length %d (%d)\n", uip_len,
(UIP_IP_BUF->len[0] << 8) | UIP_IP_BUF->len[1]);
UIP_STAT(++uip_stat.ip.sent);
/* Return and let the caller do the actual transmission. */
uip_flags = 0;