VZTECH / lwip_vz

wip

Dependents:   EthernetInterface_vz

Fork of lwip by VZTECH

Diff: core/tcp_out.c

Revision:
13:8e34c2cbce5d
Parent:
0:51ac1d130fd4
--- a/core/tcp_out.c	Tue Sep 10 15:14:39 2013 +0300
+++ b/core/tcp_out.c	Mon Nov 04 09:00:09 2013 +0000
@@ -646,6 +646,9 @@
     last_unsent->len += concat_p->tot_len;
 #if TCP_CHECKSUM_ON_COPY
     if (concat_chksummed) {
+      if (concat_chksum_swapped) {
+        concat_chksum = SWAP_BYTES_IN_WORD(concat_chksum);
+      }
       tcp_seg_add_chksum(concat_chksum, concat_chksummed, &last_unsent->chksum,
         &last_unsent->chksum_swapped);
       last_unsent->flags |= TF_SEG_DATA_CHECKSUMMED;