diff options
Diffstat (limited to 'freebsd/sys/net/if.c')
| -rw-r--r-- | freebsd/sys/net/if.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/freebsd/sys/net/if.c b/freebsd/sys/net/if.c index ea4a8a46..0bd72e44 100644 --- a/freebsd/sys/net/if.c +++ b/freebsd/sys/net/if.c @@ -76,6 +76,7 @@ #include <net/vnet.h> #if defined(INET) || defined(INET6) +#include <net/ethernet.h> #include <netinet/in.h> #include <netinet/in_var.h> #include <netinet/ip.h> @@ -676,7 +677,8 @@ if_attach_internal(struct ifnet *ifp, int vmove) #if defined(INET) || defined(INET6) /* Initialize to max value. */ if (ifp->if_hw_tsomax == 0) - ifp->if_hw_tsomax = IP_MAXPACKET; + ifp->if_hw_tsomax = min(IP_MAXPACKET, 32 * MCLBYTES - + (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN)); KASSERT(ifp->if_hw_tsomax <= IP_MAXPACKET && ifp->if_hw_tsomax >= IP_MAXPACKET / 8, ("%s: tsomax outside of range", __func__)); |