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tcp_receive(): removed unnecessary return value, added comment

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This commit is contained in:
goldsimon 2009-11-29 13:43:38 +00:00
parent 59a5fb7ce8
commit b900253c09
1 changed files with 3 additions and 7 deletions
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10
src/core/tcp_in.c
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@ -74,7 +74,7 @@ struct tcp_pcb *tcp_input_pcb;
/* Forward declarations. */ /* Forward declarations. */
static err_t tcp_process(struct tcp_pcb *pcb); static err_t tcp_process(struct tcp_pcb *pcb);
static u8_t tcp_receive(struct tcp_pcb *pcb); static void tcp_receive(struct tcp_pcb *pcb);
static void tcp_parseopt(struct tcp_pcb *pcb); static void tcp_parseopt(struct tcp_pcb *pcb);
static err_t tcp_listen_input(struct tcp_pcb_listen *pcb); static err_t tcp_listen_input(struct tcp_pcb_listen *pcb);
@ -780,10 +780,8 @@ tcp_oos_insert_segment(struct tcp_seg *cseg, struct tcp_seg *next)
* estimation, the RTT is estimated here as well. * estimation, the RTT is estimated here as well.
* *
* Called from tcp_process(). * Called from tcp_process().
*
* @return 1 if the incoming segment is the next in sequence, 0 if not
*/ */
static u8_t static void
tcp_receive(struct tcp_pcb *pcb) tcp_receive(struct tcp_pcb *pcb)
{ {
struct tcp_seg *next; struct tcp_seg *next;
@ -795,7 +793,6 @@ tcp_receive(struct tcp_pcb *pcb)
s16_t m; s16_t m;
u32_t right_wnd_edge; u32_t right_wnd_edge;
u16_t new_tot_len; u16_t new_tot_len;
u8_t accepted_inseq = 0;
int found_dupack = 0; int found_dupack = 0;
if (flags & TCP_ACK) { if (flags & TCP_ACK) {
@ -1132,7 +1129,6 @@ tcp_receive(struct tcp_pcb *pcb)
if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt,
pcb->rcv_nxt + pcb->rcv_wnd - 1)){ pcb->rcv_nxt + pcb->rcv_wnd - 1)){
if (pcb->rcv_nxt == seqno) { if (pcb->rcv_nxt == seqno) {
accepted_inseq = 1;
/* The incoming segment is the next in sequence. We check if /* The incoming segment is the next in sequence. We check if
we have to trim the end of the segment and update rcv_nxt we have to trim the end of the segment and update rcv_nxt
and pass the data to the application. */ and pass the data to the application. */
@ -1380,6 +1376,7 @@ tcp_receive(struct tcp_pcb *pcb)
} }
} else { } else {
/* The incoming segment is not withing the window. */
tcp_ack_now(pcb); tcp_ack_now(pcb);
} }
} else { } else {
@ -1391,7 +1388,6 @@ tcp_receive(struct tcp_pcb *pcb)
tcp_ack_now(pcb); tcp_ack_now(pcb);
} }
} }
return accepted_inseq;
} }
/** /**