diff options
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/if_gre.c | 2 | ||||
| -rw-r--r-- | sys/net/if_var.h | 11 |
2 files changed, 7 insertions, 6 deletions
diff --git a/sys/net/if_gre.c b/sys/net/if_gre.c index 3b22f43..3e2d826 100644 --- a/sys/net/if_gre.c +++ b/sys/net/if_gre.c @@ -624,7 +624,7 @@ gre_set_tunnel(struct ifnet *ifp, struct sockaddr *src, default: return (EAFNOSUPPORT); } - if (sc->gre_family != src->sa_family) + if (sc->gre_family != 0) gre_detach(sc); GRE_WLOCK(sc); if (sc->gre_family != 0) diff --git a/sys/net/if_var.h b/sys/net/if_var.h index 58391a1..1ff7a4b 100644 --- a/sys/net/if_var.h +++ b/sys/net/if_var.h @@ -236,11 +236,12 @@ struct ifnet { * count limit does not apply. If all three fields are zero, * there is no TSO limit. * - * NOTE: The TSO limits only apply to the data payload part of - * a TCP/IP packet. That means there is no need to subtract - * space for ethernet-, vlan-, IP- or TCP- headers from the - * TSO limits unless the hardware driver in question requires - * so. + * NOTE: The TSO limits should reflect the values used in the + * BUSDMA tag a network adapter is using to load a mbuf chain + * for transmission. The TCP/IP network stack will subtract + * space for all linklevel and protocol level headers and + * ensure that the full mbuf chain passed to the network + * adapter fits within the given limits. */ u_int if_hw_tsomax; |
