When doing TSO correctly do the check to prevent a maximum sized IP packet

from overflowing.

This commit is contained in:

Andre Oppermann

2006-09-28 13:59:26 +00:00

parent 481544f3ae

commit 6a2257d911

1 changed files with 1 additions and 1 deletions

									
										sys/netinet/tcp_output.c
									
		+1
		-1
	
												View File
												
				@@ -739,7 +739,7 @@ tcp_output(struct tcpcb *tp)

					if (len + optlen + ipoptlen > tp->t_maxopd) {

						flags &= ~TH_FIN;

						if (tso) {

							if (len > TCP_MAXWIN) {

							if (len > TCP_MAXWIN - hdrlen) {

								len = TCP_MAXWIN - hdrlen;

								len = len - (len % (tp->t_maxopd - optlen));

								sendalot = 1;