* Provide an opportunity for a TOE driver to offload. */
| 60 | * Provide an opportunity for a TOE driver to offload. |
| 61 | */ |
| 62 | int |
| 63 | tcp_offload_connect(struct socket *so, struct sockaddr *nam) |
| 64 | { |
| 65 | struct ifnet *ifp; |
| 66 | struct toedev *tod; |
| 67 | struct nhop_object *nh; |
| 68 | struct epoch_tracker et; |
| 69 | int error = EOPNOTSUPP; |
| 70 | |
| 71 | INP_WLOCK_ASSERT(sotoinpcb(so)); |
| 72 | KASSERT(nam->sa_family == AF_INET || nam->sa_family == AF_INET6, |
| 73 | ("%s: called with sa_family %d", __func__, nam->sa_family)); |
| 74 | |
| 75 | if (registered_toedevs == 0) |
| 76 | return (error); |
| 77 | |
| 78 | NET_EPOCH_ENTER(et); |
| 79 | nh = NULL; |
| 80 | #ifdef INET |
| 81 | if (nam->sa_family == AF_INET) |
| 82 | nh = fib4_lookup(0, ((struct sockaddr_in *)nam)->sin_addr, |
| 83 | NHR_NONE, 0, 0); |
| 84 | #endif |
| 85 | #if defined(INET) && defined(INET6) |
| 86 | else |
| 87 | #endif |
| 88 | #ifdef INET6 |
| 89 | if (nam->sa_family == AF_INET6) |
| 90 | nh = fib6_lookup(0, &((struct sockaddr_in6 *)nam)->sin6_addr, |
| 91 | NHR_NONE, 0, 0); |
| 92 | #endif |
| 93 | if (nh == NULL) { |
| 94 | NET_EPOCH_EXIT(et); |
| 95 | return (EHOSTUNREACH); |
| 96 | } |
| 97 | |
| 98 | ifp = nh->nh_ifp; |
| 99 | |
| 100 | if (nam->sa_family == AF_INET && !(ifp->if_capenable & IFCAP_TOE4)) |
| 101 | goto done; |
| 102 | if (nam->sa_family == AF_INET6 && !(ifp->if_capenable & IFCAP_TOE6)) |
| 103 | goto done; |
| 104 | |
| 105 | tod = TOEDEV(ifp); |
| 106 | if (tod != NULL) |
| 107 | error = tod->tod_connect(tod, so, nh, nam); |
| 108 | done: |
| 109 | NET_EPOCH_EXIT(et); |
| 110 | return (error); |
| 111 | } |
| 112 | |
| 113 | void |
| 114 | tcp_offload_listen_start(struct tcpcb *tp) |
no test coverage detected