Author: sephe Date: Tue Aug 30 03:40:22 2016 New Revision: 305047 URL: https://svnweb.freebsd.org/changeset/base/305047
Log: hyperv/hn: Switch to new RNDIS set for RX filters. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7683 Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Tue Aug 30 03:11:07 2016 (r305046) +++ head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Tue Aug 30 03:40:22 2016 (r305047) @@ -81,10 +81,7 @@ static void hv_rf_receive_data(struct hn const void *data, int dlen); static inline int hv_rf_query_device_mac(rndis_device *device); static inline int hv_rf_query_device_link_status(rndis_device *device); -static int hv_rf_set_packet_filter(rndis_device *device, uint32_t new_filter); static int hv_rf_init_device(rndis_device *device); -static int hv_rf_open_device(rndis_device *device); -static int hv_rf_close_device(rndis_device *device); int hv_rf_send_offload_request(struct hn_softc *sc, rndis_offload_params *offloads); @@ -679,72 +676,6 @@ static uint8_t netvsc_hash_key[NDIS_HASH 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa }; -/* - * RNDIS filter set packet filter - * Sends an rndis request with the new filter, then waits for a response - * from the host. - * Returns zero on success, non-zero on failure. - */ -static int -hv_rf_set_packet_filter(rndis_device *device, uint32_t new_filter) -{ - rndis_request *request; - rndis_set_request *set; - rndis_set_complete *set_complete; - uint32_t status; - int ret; - - request = hv_rndis_request(device, REMOTE_NDIS_SET_MSG, - RNDIS_MESSAGE_SIZE(rndis_set_request) + sizeof(uint32_t)); - if (request == NULL) { - ret = -1; - goto cleanup; - } - - /* Set up the rndis set */ - set = &request->request_msg.msg.set_request; - set->oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER; - set->info_buffer_length = sizeof(uint32_t); - set->info_buffer_offset = sizeof(rndis_set_request); - - memcpy((void *)((unsigned long)set + sizeof(rndis_set_request)), - &new_filter, sizeof(uint32_t)); - - ret = hv_rf_send_request(device, request, REMOTE_NDIS_SET_MSG); - if (ret != 0) { - goto cleanup; - } - - /* - * Wait for the response from the host. Another thread will signal - * us when the response has arrived. In the failure case, - * sema_timedwait() returns a non-zero status after waiting 5 seconds. - */ - ret = sema_timedwait(&request->wait_sema, 5 * hz); - if (ret == 0) { - /* Response received, check status */ - set_complete = &request->response_msg.msg.set_complete; - status = set_complete->status; - if (status != RNDIS_STATUS_SUCCESS) { - /* Bad response status, return error */ - ret = -2; - } - } else { - /* - * We cannot deallocate the request since we may still - * receive a send completion for it. - */ - goto exit; - } - -cleanup: - if (request != NULL) { - hv_put_rndis_request(device, request); - } -exit: - return (ret); -} - static const void * hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid, size_t reqlen, size_t *comp_len0, uint32_t comp_type) @@ -1103,6 +1034,25 @@ hn_rndis_conf_rss(struct hn_softc *sc, i return (error); } +static int +hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter) +{ + int error; + + error = hn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER, + &filter, sizeof(filter)); + if (error) { + if_printf(sc->hn_ifp, "set RX filter 0x%08x failed: %d\n", + filter, error); + } else { + if (bootverbose) { + if_printf(sc->hn_ifp, "set RX filter 0x%08x done\n", + filter); + } + } + return (error); +} + /* * RNDIS filter init device */ @@ -1211,55 +1161,6 @@ hv_rf_halt_device(rndis_device *device) } /* - * RNDIS filter open device - */ -static int -hv_rf_open_device(rndis_device *device) -{ - int ret; - - if (device->state != RNDIS_DEV_INITIALIZED) { - return (0); - } - - if (hv_promisc_mode != 1) { - ret = hv_rf_set_packet_filter(device, - NDIS_PACKET_TYPE_BROADCAST | - NDIS_PACKET_TYPE_ALL_MULTICAST | - NDIS_PACKET_TYPE_DIRECTED); - } else { - ret = hv_rf_set_packet_filter(device, - NDIS_PACKET_TYPE_PROMISCUOUS); - } - - if (ret == 0) { - device->state = RNDIS_DEV_DATAINITIALIZED; - } - - return (ret); -} - -/* - * RNDIS filter close device - */ -static int -hv_rf_close_device(rndis_device *device) -{ - int ret; - - if (device->state != RNDIS_DEV_DATAINITIALIZED) { - return (0); - } - - ret = hv_rf_set_packet_filter(device, 0); - if (ret == 0) { - device->state = RNDIS_DEV_INITIALIZED; - } - - return (ret); -} - -/* * RNDIS filter on device add */ int @@ -1442,8 +1343,17 @@ hv_rf_on_device_remove(struct hn_softc * int hv_rf_on_open(struct hn_softc *sc) { + uint32_t filter; - return (hv_rf_open_device(sc->rndis_dev)); + /* XXX */ + if (hv_promisc_mode != 1) { + filter = NDIS_PACKET_TYPE_BROADCAST | + NDIS_PACKET_TYPE_ALL_MULTICAST | + NDIS_PACKET_TYPE_DIRECTED; + } else { + filter = NDIS_PACKET_TYPE_PROMISCUOUS; + } + return (hn_rndis_set_rxfilter(sc, filter)); } /* @@ -1453,7 +1363,7 @@ int hv_rf_on_close(struct hn_softc *sc) { - return (hv_rf_close_device(sc->rndis_dev)); + return (hn_rndis_set_rxfilter(sc, 0)); } static void _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
