Author: sephe Date: Tue Aug 16 07:37:02 2016 New Revision: 304205 URL: https://svnweb.freebsd.org/changeset/base/304205
Log: hyperv/hn: Simplify RNDIS NVS message sending. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7501 Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c head/sys/dev/hyperv/netvsc/hv_net_vsc.h head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c head/sys/dev/hyperv/netvsc/hv_rndis_filter.c head/sys/dev/hyperv/netvsc/if_hnreg.h head/sys/dev/hyperv/netvsc/if_hnvar.h Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_net_vsc.c Tue Aug 16 07:26:53 2016 (r304204) +++ head/sys/dev/hyperv/netvsc/hv_net_vsc.c Tue Aug 16 07:37:02 2016 (r304205) @@ -118,7 +118,7 @@ hv_nv_get_next_send_section(netvsc_dev * unsigned long bitsmap_words = net_dev->bitsmap_words; unsigned long *bitsmap = net_dev->send_section_bitsmap; unsigned long idx; - int ret = NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX; + int ret = HN_NVS_CHIM_IDX_INVALID; int i; for (i = 0; i < bitsmap_words; i++) { @@ -814,32 +814,23 @@ hv_nv_on_send_completion(netvsc_dev *net * Returns 0 on success, non-zero on failure. */ int -hv_nv_on_send(struct vmbus_channel *chan, bool is_data_pkt, +hv_nv_on_send(struct vmbus_channel *chan, uint32_t rndis_mtype, struct hn_send_ctx *sndc, struct vmbus_gpa *gpa, int gpa_cnt) { - nvsp_msg send_msg; + struct hn_nvs_rndis rndis; int ret; - send_msg.hdr.msg_type = nvsp_msg_1_type_send_rndis_pkt; - if (is_data_pkt) { - /* 0 is RMC_DATA */ - send_msg.msgs.vers_1_msgs.send_rndis_pkt.chan_type = 0; - } else { - /* 1 is RMC_CONTROL */ - send_msg.msgs.vers_1_msgs.send_rndis_pkt.chan_type = 1; - } - - send_msg.msgs.vers_1_msgs.send_rndis_pkt.send_buf_section_idx = - sndc->hn_chim_idx; - send_msg.msgs.vers_1_msgs.send_rndis_pkt.send_buf_section_size = - sndc->hn_chim_sz; + rndis.nvs_type = HN_NVS_TYPE_RNDIS; + rndis.nvs_rndis_mtype = rndis_mtype; + rndis.nvs_chim_idx = sndc->hn_chim_idx; + rndis.nvs_chim_sz = sndc->hn_chim_sz; if (gpa_cnt) { ret = hn_nvs_send_sglist(chan, gpa, gpa_cnt, - &send_msg, sizeof(nvsp_msg), sndc); + &rndis, sizeof(rndis), sndc); } else { ret = hn_nvs_send(chan, VMBUS_CHANPKT_FLAG_RC, - &send_msg, sizeof(nvsp_msg), sndc); + &rndis, sizeof(rndis), sndc); } return (ret); Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_net_vsc.h Tue Aug 16 07:26:53 2016 (r304204) +++ head/sys/dev/hyperv/netvsc/hv_net_vsc.h Tue Aug 16 07:37:02 2016 (r304205) @@ -1256,7 +1256,7 @@ netvsc_dev *hv_nv_on_device_add(struct h void *additional_info, struct hn_rx_ring *rxr); int hv_nv_on_device_remove(struct hn_softc *sc, boolean_t destroy_channel); -int hv_nv_on_send(struct vmbus_channel *chan, bool is_data_pkt, +int hv_nv_on_send(struct vmbus_channel *chan, uint32_t rndis_mtype, struct hn_send_ctx *sndc, struct vmbus_gpa *gpa, int gpa_cnt); int hv_nv_get_next_send_section(netvsc_dev *net_dev); void hv_nv_subchan_attach(struct vmbus_channel *chan, Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Tue Aug 16 07:26:53 2016 (r304204) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Tue Aug 16 07:37:02 2016 (r304205) @@ -798,7 +798,7 @@ hn_tx_done(struct hn_send_ctx *sndc, str struct hn_txdesc *txd = sndc->hn_cbarg; struct hn_tx_ring *txr; - if (sndc->hn_chim_idx != NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX) + if (sndc->hn_chim_idx != HN_NVS_CHIM_IDX_INVALID) hn_chim_free(net_dev, sndc->hn_chim_idx); txr = txd->txr; @@ -988,8 +988,7 @@ hn_encap(struct hn_tx_ring *txr, struct txr->hn_tx_chimney_tried++; send_buf_section_idx = hv_nv_get_next_send_section(net_dev); - if (send_buf_section_idx != - NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX) { + if (send_buf_section_idx != HN_NVS_CHIM_IDX_INVALID) { uint8_t *dest = ((uint8_t *)net_dev->send_buf + (send_buf_section_idx * net_dev->send_section_size)); @@ -1045,7 +1044,7 @@ hn_encap(struct hn_tx_ring *txr, struct gpa->gpa_len = segs[i].ds_len; } - send_buf_section_idx = NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX; + send_buf_section_idx = HN_NVS_CHIM_IDX_INVALID; send_buf_section_size = 0; done: txd->m = m_head; @@ -1072,8 +1071,8 @@ again: * Make sure that txd is not freed before ETHER_BPF_MTAP. */ hn_txdesc_hold(txd); - error = hv_nv_on_send(txr->hn_chan, true, &txd->send_ctx, - txr->hn_gpa, txr->hn_gpa_cnt); + error = hv_nv_on_send(txr->hn_chan, HN_NVS_RNDIS_MTYPE_DATA, + &txd->send_ctx, txr->hn_gpa, txr->hn_gpa_cnt); if (!error) { ETHER_BPF_MTAP(ifp, txd->m); if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Tue Aug 16 07:26:53 2016 (r304204) +++ head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Tue Aug 16 07:37:02 2016 (r304205) @@ -277,8 +277,7 @@ hv_rf_send_request(rndis_device *device, if (tot_data_buf_len < net_dev->send_section_size) { send_buf_section_idx = hv_nv_get_next_send_section(net_dev); - if (send_buf_section_idx != - NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX) { + if (send_buf_section_idx != HN_NVS_CHIM_IDX_INVALID) { char *dest = ((char *)net_dev->send_buf + send_buf_section_idx * net_dev->send_section_size); @@ -289,14 +288,14 @@ hv_rf_send_request(rndis_device *device, } /* Failed to allocate chimney send buffer; move on */ } - send_buf_section_idx = NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX; + send_buf_section_idx = HN_NVS_CHIM_IDX_INVALID; send_buf_section_size = 0; sendit: hn_send_ctx_init(&request->send_ctx, cb, request, send_buf_section_idx, send_buf_section_size); - return hv_nv_on_send(device->net_dev->sc->hn_prichan, false, - &request->send_ctx, gpa, gpa_cnt); + return hv_nv_on_send(device->net_dev->sc->hn_prichan, + HN_NVS_RNDIS_MTYPE_CTRL, &request->send_ctx, gpa, gpa_cnt); } /* @@ -1276,7 +1275,7 @@ hn_rndis_sent_cb(struct hn_send_ctx *snd struct vmbus_channel *chan __unused, const struct nvsp_msg_ *msg __unused, int dlen __unused) { - if (sndc->hn_chim_idx != NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX) + if (sndc->hn_chim_idx != HN_NVS_CHIM_IDX_INVALID) hn_chim_free(net_dev, sndc->hn_chim_idx); } @@ -1287,7 +1286,7 @@ hn_rndis_sent_halt(struct hn_send_ctx *s { rndis_request *request = sndc->hn_cbarg; - if (sndc->hn_chim_idx != NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX) + if (sndc->hn_chim_idx != HN_NVS_CHIM_IDX_INVALID) hn_chim_free(net_dev, sndc->hn_chim_idx); /* Modified: head/sys/dev/hyperv/netvsc/if_hnreg.h ============================================================================== --- head/sys/dev/hyperv/netvsc/if_hnreg.h Tue Aug 16 07:26:53 2016 (r304204) +++ head/sys/dev/hyperv/netvsc/if_hnreg.h Tue Aug 16 07:37:02 2016 (r304205) @@ -35,8 +35,19 @@ #define HN_NVS_RXBUF_SIG 0xcafe #define HN_NVS_CHIM_SIG 0xface +#define HN_NVS_CHIM_IDX_INVALID 0xffffffff + +#define HN_NVS_RNDIS_MTYPE_DATA 0 +#define HN_NVS_RNDIS_MTYPE_CTRL 1 + +/* + * NVS message transacion status codes. + */ #define HN_NVS_STATUS_OK 1 +/* + * NVS request/response message types. + */ #define HN_NVS_TYPE_INIT 1 #define HN_NVS_TYPE_INIT_RESP 2 #define HN_NVS_TYPE_NDIS_INIT 100 @@ -46,6 +57,7 @@ #define HN_NVS_TYPE_CHIM_CONN 104 #define HN_NVS_TYPE_CHIM_CONNRESP 105 #define HN_NVS_TYPE_CHIM_DISCONN 106 +#define HN_NVS_TYPE_RNDIS 107 #define HN_NVS_TYPE_NDIS_CONF 125 #define HN_NVS_TYPE_SUBCH_REQ 133 #define HN_NVS_TYPE_SUBCH_RESP 133 /* same as SUBCH_REQ */ @@ -162,4 +174,21 @@ struct hn_nvs_subch_resp { uint32_t nvs_nsubch; } __packed; +struct hn_nvs_rndis { + uint32_t nvs_type; /* HN_NVS_TYPE_RNDIS */ + uint32_t nvs_rndis_mtype;/* HN_NVS_RNDIS_MTYPE_ */ + /* + * Chimney sending buffer index and size. + * + * NOTE: + * If nvs_chim_idx is set to HN_NVS_CHIM_IDX_INVALID + * and nvs_chim_sz is set to 0, then chimney sending + * buffer is _not_ used by this RNDIS message. + */ + uint32_t nvs_chim_idx; + uint32_t nvs_chim_sz; + uint8_t nvs_rsvd[16]; +} __packed; +CTASSERT(sizeof(struct hn_nvs_rndis) >= HN_NVS_REQSIZE_MIN); + #endif /* !_IF_HNREG_H_ */ Modified: head/sys/dev/hyperv/netvsc/if_hnvar.h ============================================================================== --- head/sys/dev/hyperv/netvsc/if_hnvar.h Tue Aug 16 07:26:53 2016 (r304204) +++ head/sys/dev/hyperv/netvsc/if_hnvar.h Tue Aug 16 07:37:02 2016 (r304205) @@ -32,7 +32,7 @@ #include <sys/param.h> #include <dev/hyperv/include/vmbus.h> -#include <dev/hyperv/netvsc/hv_net_vsc.h> +#include <dev/hyperv/netvsc/if_hnreg.h> struct netvsc_dev_; struct nvsp_msg_; @@ -51,12 +51,12 @@ struct hn_send_ctx { int hn_chim_sz; }; -#define HN_SEND_CTX_INITIALIZER(cb, cbarg) \ -{ \ - .hn_cb = cb, \ - .hn_cbarg = cbarg, \ - .hn_chim_idx = NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX, \ - .hn_chim_sz = 0 \ +#define HN_SEND_CTX_INITIALIZER(cb, cbarg) \ +{ \ + .hn_cb = cb, \ + .hn_cbarg = cbarg, \ + .hn_chim_idx = HN_NVS_CHIM_IDX_INVALID, \ + .hn_chim_sz = 0 \ } static __inline void @@ -75,8 +75,7 @@ hn_send_ctx_init_simple(struct hn_send_c void *cbarg) { - hn_send_ctx_init(sndc, cb, cbarg, - NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX, 0); + hn_send_ctx_init(sndc, cb, cbarg, HN_NVS_CHIM_IDX_INVALID, 0); } static __inline int _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
