diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_input.c')
| -rw-r--r-- | freebsd/sys/netinet/tcp_input.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/tcp_input.c b/freebsd/sys/netinet/tcp_input.c index 77d6fc3b..e1fa55c7 100644 --- a/freebsd/sys/netinet/tcp_input.c +++ b/freebsd/sys/netinet/tcp_input.c @@ -578,6 +578,7 @@ tcp_input(struct mbuf **mp, int *offp, int proto) int optlen = 0; #ifdef INET int len; + uint8_t ipttl; #endif int tlen = 0, off; int drop_hdrlen; @@ -700,6 +701,7 @@ tcp_input(struct mbuf **mp, int *offp, int proto) * Checksum extended TCP header and data. */ len = off0 + tlen; + ipttl = ip->ip_ttl; bzero(ipov->ih_x1, sizeof(ipov->ih_x1)); ipov->ih_len = htons(tlen); th->th_sum = in_cksum(m, len); @@ -708,6 +710,7 @@ tcp_input(struct mbuf **mp, int *offp, int proto) /* Reset TOS bits */ ip->ip_tos = iptos; /* Re-initialization for later version check */ + ip->ip_ttl = ipttl; ip->ip_v = IPVERSION; ip->ip_hl = off0 >> 2; } |