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@@ -10,9 +10,9 @@
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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- * All rights reserved.
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- *
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- * Redistribution and use in source and binary forms, with or without modification,
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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@@ -21,21 +21,21 @@
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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- * derived from this software without specific prior written permission.
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+ * derived from this software without specific prior written permission.
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*
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- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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- *
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+ *
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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@@ -72,17 +72,17 @@
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#endif /* LWIP_TCP_KEEPALIVE */
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const char * const tcp_state_str[] = {
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- "CLOSED",
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- "LISTEN",
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- "SYN_SENT",
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- "SYN_RCVD",
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- "ESTABLISHED",
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- "FIN_WAIT_1",
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- "FIN_WAIT_2",
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- "CLOSE_WAIT",
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- "CLOSING",
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- "LAST_ACK",
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- "TIME_WAIT"
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+ "CLOSED",
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+ "LISTEN",
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+ "SYN_SENT",
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+ "SYN_RCVD",
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+ "ESTABLISHED",
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+ "FIN_WAIT_1",
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+ "FIN_WAIT_2",
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+ "CLOSE_WAIT",
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+ "CLOSING",
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+ "LAST_ACK",
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+ "TIME_WAIT"
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};
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/* last local TCP port */
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@@ -118,7 +118,7 @@ struct tcp_pcb *tcp_tmp_pcb;
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u8_t tcp_active_pcbs_changed;
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-/** Timer counter to handle calling slow-timer from tcp_tmr() */
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+/** Timer counter to handle calling slow-timer from tcp_tmr() */
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static u8_t tcp_timer;
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static u8_t tcp_timer_ctr;
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static u16_t tcp_new_port(void);
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@@ -202,7 +202,7 @@ tcp_close_shutdown(struct tcp_pcb *pcb, u8_t rst_on_unacked_data)
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* however, it is in this state once allocated and as yet unused
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* and the user needs some way to free it should the need arise.
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* Calling tcp_close() with a pcb that has already been closed, (i.e. twice)
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- * or for a pcb that has been used and then entered the CLOSED state
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+ * or for a pcb that has been used and then entered the CLOSED state
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* is erroneous, but this should never happen as the pcb has in those cases
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* been freed, and so any remaining handles are bogus. */
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err = ERR_OK;
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@@ -357,7 +357,7 @@ void
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tcp_abandon(struct tcp_pcb *pcb, int reset)
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{
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u32_t seqno, ackno;
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-#if LWIP_CALLBACK_API
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+#if LWIP_CALLBACK_API
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tcp_err_fn errf;
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#endif /* LWIP_CALLBACK_API */
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void *errf_arg;
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@@ -385,7 +385,7 @@ tcp_abandon(struct tcp_pcb *pcb, int reset)
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if (pcb->unsent != NULL) {
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tcp_segs_free(pcb->unsent);
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}
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-#if TCP_QUEUE_OOSEQ
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+#if TCP_QUEUE_OOSEQ
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if (pcb->ooseq != NULL) {
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tcp_segs_free(pcb->ooseq);
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}
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@@ -570,7 +570,7 @@ tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog)
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return (struct tcp_pcb *)lpcb;
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}
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-/**
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+/**
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* Update the state that tracks the available window space to advertise.
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*
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* Returns how much extra window would be advertised if we sent an
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@@ -649,7 +649,7 @@ tcp_new_port(void)
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u8_t i;
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u16_t n = 0;
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struct tcp_pcb *pcb;
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-
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+
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again:
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if (tcp_port++ == TCP_LOCAL_PORT_RANGE_END) {
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tcp_port = TCP_LOCAL_PORT_RANGE_START;
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@@ -757,7 +757,7 @@ tcp_connect(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port,
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pcb->ssthresh = pcb->mss * 10;
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#if LWIP_CALLBACK_API
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pcb->connected = connected;
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-#else /* LWIP_CALLBACK_API */
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+#else /* LWIP_CALLBACK_API */
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LWIP_UNUSED_ARG(connected);
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#endif /* LWIP_CALLBACK_API */
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@@ -870,7 +870,7 @@ tcp_slowtmr_start:
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LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: cwnd %"U16_F
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" ssthresh %"U16_F"\n",
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pcb->cwnd, pcb->ssthresh));
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-
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+
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/* The following needs to be called AFTER cwnd is set to one
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mss - STJ */
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tcp_rexmit_rto(pcb);
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@@ -901,11 +901,11 @@ tcp_slowtmr_start:
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LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: KEEPALIVE timeout. Aborting connection to %"U16_F".%"U16_F".%"U16_F".%"U16_F".\n",
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ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip),
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ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip)));
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-
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+
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++pcb_remove;
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++pcb_reset;
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}
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- else if((u32_t)(tcp_ticks - pcb->tmr) >
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+ else if((u32_t)(tcp_ticks - pcb->tmr) >
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(pcb->keep_idle + pcb->keep_cnt_sent * TCP_KEEP_INTVL(pcb))
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/ TCP_SLOW_INTERVAL)
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{
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@@ -998,7 +998,7 @@ tcp_slowtmr_start:
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}
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}
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-
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+
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/* Steps through all of the TIME-WAIT PCBs. */
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prev = NULL;
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pcb = tcp_tw_pcbs;
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@@ -1010,7 +1010,7 @@ tcp_slowtmr_start:
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if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) {
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++pcb_remove;
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}
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-
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+
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/* If the PCB should be removed, do it. */
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@@ -1172,7 +1172,7 @@ tcp_setprio(struct tcp_pcb *pcb, u8_t prio)
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*
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* @param seg the old tcp_seg
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* @return a copy of seg
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- */
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+ */
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struct tcp_seg *
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tcp_seg_copy(struct tcp_seg *seg)
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{
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@@ -1182,7 +1182,7 @@ tcp_seg_copy(struct tcp_seg *seg)
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if (cseg == NULL) {
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return NULL;
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}
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- SMEMCPY((u8_t *)cseg, (const u8_t *)seg, sizeof(struct tcp_seg));
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+ SMEMCPY((u8_t *)cseg, (const u8_t *)seg, sizeof(struct tcp_seg));
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pbuf_ref(cseg->p);
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return cseg;
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}
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@@ -1222,7 +1222,7 @@ tcp_kill_prio(u8_t prio)
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mprio = TCP_PRIO_MAX;
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-
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+
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/* We kill the oldest active connection that has lower priority than prio. */
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inactivity = 0;
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inactive = NULL;
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@@ -1279,7 +1279,7 @@ tcp_alloc(u8_t prio)
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{
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struct tcp_pcb *pcb;
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u32_t iss;
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-
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+
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pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB);
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if (pcb == NULL) {
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/* Try killing oldest connection in TIME-WAIT. */
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@@ -1324,7 +1324,7 @@ tcp_alloc(u8_t prio)
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pcb->snd_wl2 = iss;
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pcb->snd_nxt = iss;
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pcb->lastack = iss;
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- pcb->snd_lbb = iss;
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+ pcb->snd_lbb = iss;
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pcb->tmr = tcp_ticks;
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pcb->last_timer = tcp_timer_ctr;
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@@ -1332,11 +1332,11 @@ tcp_alloc(u8_t prio)
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#if LWIP_CALLBACK_API
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pcb->recv = tcp_recv_null;
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-#endif /* LWIP_CALLBACK_API */
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-
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+#endif /* LWIP_CALLBACK_API */
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+
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/* Init KEEPALIVE timer */
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pcb->keep_idle = TCP_KEEPIDLE_DEFAULT;
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-
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+
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#if LWIP_TCP_KEEPALIVE
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pcb->keep_intvl = TCP_KEEPINTVL_DEFAULT;
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pcb->keep_cnt = TCP_KEEPCNT_DEFAULT;
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@@ -1371,7 +1371,7 @@ tcp_new(void)
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*
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* @param pcb tcp_pcb to set the callback argument
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* @param arg void pointer argument to pass to callback functions
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- */
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+ */
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void
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tcp_arg(struct tcp_pcb *pcb, void *arg)
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{
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@@ -1387,7 +1387,7 @@ tcp_arg(struct tcp_pcb *pcb, void *arg)
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*
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* @param pcb tcp_pcb to set the recv callback
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* @param recv callback function to call for this pcb when data is received
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- */
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+ */
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void
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tcp_recv(struct tcp_pcb *pcb, tcp_recv_fn recv)
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{
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@@ -1401,7 +1401,7 @@ tcp_recv(struct tcp_pcb *pcb, tcp_recv_fn recv)
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*
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* @param pcb tcp_pcb to set the sent callback
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* @param sent callback function to call for this pcb when data is successfully sent
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- */
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+ */
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void
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tcp_sent(struct tcp_pcb *pcb, tcp_sent_fn sent)
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{
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@@ -1416,7 +1416,7 @@ tcp_sent(struct tcp_pcb *pcb, tcp_sent_fn sent)
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* @param pcb tcp_pcb to set the err callback
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* @param err callback function to call for this pcb when a fatal error
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* has occured on the connection
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- */
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+ */
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void
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tcp_err(struct tcp_pcb *pcb, tcp_err_fn err)
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{
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@@ -1431,7 +1431,7 @@ tcp_err(struct tcp_pcb *pcb, tcp_err_fn err)
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* @param pcb tcp_pcb to set the accept callback
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* @param accept callback function to call for this pcb when LISTENing
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* connection has been connected to another host
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- */
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+ */
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void
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tcp_accept(struct tcp_pcb *pcb, tcp_accept_fn accept)
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{
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@@ -1447,16 +1447,16 @@ tcp_accept(struct tcp_pcb *pcb, tcp_accept_fn accept)
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* from TCP. The interval is specified in terms of the TCP coarse
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* timer interval, which is called twice a second.
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*
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- */
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+ */
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void
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tcp_poll(struct tcp_pcb *pcb, tcp_poll_fn poll, u8_t interval)
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{
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LWIP_ASSERT("invalid socket state for poll", pcb->state != LISTEN);
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#if LWIP_CALLBACK_API
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pcb->poll = poll;
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-#else /* LWIP_CALLBACK_API */
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+#else /* LWIP_CALLBACK_API */
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LWIP_UNUSED_ARG(poll);
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-#endif /* LWIP_CALLBACK_API */
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+#endif /* LWIP_CALLBACK_API */
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pcb->pollinterval = interval;
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}
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@@ -1540,7 +1540,7 @@ tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb)
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TCP_RMV(pcblist, pcb);
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tcp_pcb_purge(pcb);
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-
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+
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/* if there is an outstanding delayed ACKs, send it */
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if (pcb->state != TIME_WAIT &&
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pcb->state != LISTEN &&
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@@ -1571,7 +1571,7 @@ u32_t
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tcp_next_iss(void)
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{
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static u32_t iss = 6510;
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-
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+
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iss += tcp_ticks; /* XXX */
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return iss;
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}
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@@ -1703,21 +1703,21 @@ tcp_debug_print_pcbs(void)
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pcb->local_port, pcb->remote_port,
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pcb->snd_nxt, pcb->rcv_nxt));
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tcp_debug_print_state(pcb->state);
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- }
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+ }
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LWIP_DEBUGF(TCP_DEBUG, ("Listen PCB states:\n"));
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for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next) {
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LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ",
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pcb->local_port, pcb->remote_port,
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pcb->snd_nxt, pcb->rcv_nxt));
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tcp_debug_print_state(pcb->state);
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- }
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+ }
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LWIP_DEBUGF(TCP_DEBUG, ("TIME-WAIT PCB states:\n"));
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for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
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LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ",
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pcb->local_port, pcb->remote_port,
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pcb->snd_nxt, pcb->rcv_nxt));
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tcp_debug_print_state(pcb->state);
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- }
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+ }
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}
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/**
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