/*! Perform system bind on the OS backing socket. * \param ep Endpoint context * \param fd Callers FD * \param ip_addr_be32 Local address to which to bind * \param port_be16 [in] requested port [out] assigned port * \return 0 - success & [port_be16] updated * CI_SOCKET_HANDOVER, Pass to OS, OS bound ok, (no error) * CI_SOCKET_ERROR & errno set */ ci_inline int __ci_bind(ci_netif *ni, ci_sock_cmn *s, ci_uint32 ip_addr_be32, ci_uint16* port_be16 ) { int rc; ci_uint16 user_port; /* Port number specified by user, not by OS. * See bug 4015 for details */ union ci_sockaddr_u sa_u; ci_assert(s->domain == AF_INET || s->domain == AF_INET6); ci_assert( port_be16 ); user_port = *port_be16; #if CI_CFG_FAKE_IPV6 ci_assert(s->domain == AF_INET || s->domain == AF_INET6); if( s->domain == AF_INET ) ci_make_sockaddr(&sa_u.sin, s->domain, user_port, ip_addr_be32); else ci_make_sockaddr6(&sa_u.sin6, s->domain, user_port, ip_addr_be32); #else ci_assert(s->domain == AF_INET); ci_make_sockaddr(&sa_u.sin, s->domain, user_port, ip_addr_be32); #endif #ifdef __ci_driver__ rc = efab_tcp_helper_bind_os_sock(netif2tcp_helper_resource(ni), SC_SP(s), &sa_u.sa, sizeof(sa_u), port_be16); #else rc = ci_tcp_helper_bind_os_sock(ni, SC_SP(s), &sa_u.sa, sizeof(sa_u), port_be16); #endif /* bug1781: only do this if the earlier bind succeeded. * check if we can handle this socket */ if( rc != 0 ) return rc; if( user_port != 0 ) s->s_flags |= CI_SOCK_FLAG_PORT_BOUND; if( ip_addr_be32 != INADDR_ANY ) s->s_flags |= CI_SOCK_FLAG_ADDR_BOUND; s->s_flags &= ~CI_SOCK_FLAG_CONNECT_MUST_BIND; #ifndef __ci_driver__ /* We do not call bind() to alien address from in-kernel code */ if( ip_addr_be32 != INADDR_ANY && !cicp_user_addr_is_local_efab(CICP_HANDLE(ni), &ip_addr_be32) ) s->s_flags |= CI_SOCK_FLAG_BOUND_ALIEN; #endif return rc; }
static int efab_tcp_helper_bind_os_sock_rsop(ci_private_t* priv, void *arg) { oo_tcp_bind_os_sock_t *op = arg; struct sockaddr_storage k_address_buf; int addrlen = op->addrlen; ci_uint16 port; int rc; if (priv->thr == NULL) return -EINVAL; rc = move_addr_to_kernel(CI_USER_PTR_GET(op->address), addrlen, (struct sockaddr *)&k_address_buf); if( rc < 0 ) return rc; rc = efab_tcp_helper_bind_os_sock(priv->thr, op->sock_id, (struct sockaddr *)&k_address_buf, addrlen, &port); if( rc < 0 ) return rc; op->addrlen = port; return 0; }