1 /*- 2 * Copyright (c) 2016-2017 Microsoft Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _IF_HNVAR_H_ 30 #define _IF_HNVAR_H_ 31 32 #define HN_USE_TXDESC_BUFRING 33 34 #define HN_CHIM_SIZE (15 * 1024 * 1024) 35 36 #define HN_RXBUF_SIZE (16 * 1024 * 1024) 37 #define HN_RXBUF_SIZE_COMPAT (15 * 1024 * 1024) 38 39 /* Claimed to be 12232B */ 40 #define HN_MTU_MAX (9 * 1024) 41 42 #define HN_TXBR_SIZE (128 * PAGE_SIZE) 43 #define HN_RXBR_SIZE (128 * PAGE_SIZE) 44 45 #define HN_XACT_REQ_PGCNT 2 46 #define HN_XACT_RESP_PGCNT 2 47 #define HN_XACT_REQ_SIZE (HN_XACT_REQ_PGCNT * PAGE_SIZE) 48 #define HN_XACT_RESP_SIZE (HN_XACT_RESP_PGCNT * PAGE_SIZE) 49 50 #define HN_GPACNT_MAX 32 51 52 struct hn_txdesc; 53 #ifndef HN_USE_TXDESC_BUFRING 54 SLIST_HEAD(hn_txdesc_list, hn_txdesc); 55 #else 56 struct buf_ring; 57 #endif 58 struct hn_tx_ring; 59 60 struct hn_rx_ring { 61 struct ifnet *hn_ifp; 62 struct ifnet *hn_rxvf_ifp; /* SR-IOV VF for RX */ 63 struct hn_tx_ring *hn_txr; 64 void *hn_pktbuf; 65 int hn_pktbuf_len; 66 int hn_rx_flags; /* HN_RX_FLAG_ */ 67 uint8_t *hn_rxbuf; /* shadow sc->hn_rxbuf */ 68 int hn_rx_idx; 69 70 /* Trust csum verification on host side */ 71 int hn_trust_hcsum; /* HN_TRUST_HCSUM_ */ 72 struct lro_ctrl hn_lro; 73 74 u_long hn_csum_ip; 75 u_long hn_csum_tcp; 76 u_long hn_csum_udp; 77 u_long hn_csum_trusted; 78 u_long hn_lro_tried; 79 u_long hn_small_pkts; 80 u_long hn_pkts; 81 u_long hn_rss_pkts; 82 u_long hn_ack_failed; 83 84 /* Rarely used stuffs */ 85 struct sysctl_oid *hn_rx_sysctl_tree; 86 87 void *hn_br; /* TX/RX bufring */ 88 struct hyperv_dma hn_br_dma; 89 90 struct vmbus_channel *hn_chan; 91 } __aligned(CACHE_LINE_SIZE); 92 93 #define HN_TRUST_HCSUM_IP 0x0001 94 #define HN_TRUST_HCSUM_TCP 0x0002 95 #define HN_TRUST_HCSUM_UDP 0x0004 96 97 #define HN_RX_FLAG_ATTACHED 0x0001 98 #define HN_RX_FLAG_BR_REF 0x0002 99 #define HN_RX_FLAG_XPNT_VF 0x0004 100 101 struct hn_tx_ring { 102 #ifndef HN_USE_TXDESC_BUFRING 103 struct mtx hn_txlist_spin; 104 struct hn_txdesc_list hn_txlist; 105 #else 106 struct buf_ring *hn_txdesc_br; 107 #endif 108 int hn_txdesc_cnt; 109 int hn_txdesc_avail; 110 u_short hn_has_txeof; 111 u_short hn_txdone_cnt; 112 113 int hn_sched_tx; 114 void (*hn_txeof)(struct hn_tx_ring *); 115 struct taskqueue *hn_tx_taskq; 116 struct task hn_tx_task; 117 struct task hn_txeof_task; 118 119 struct buf_ring *hn_mbuf_br; 120 int hn_oactive; 121 int hn_tx_idx; 122 int hn_tx_flags; 123 124 struct mtx hn_tx_lock; 125 struct hn_softc *hn_sc; 126 struct vmbus_channel *hn_chan; 127 128 int hn_direct_tx_size; 129 int hn_chim_size; 130 bus_dma_tag_t hn_tx_data_dtag; 131 uint64_t hn_csum_assist; 132 133 /* Applied packet transmission aggregation limits. */ 134 int hn_agg_szmax; 135 short hn_agg_pktmax; 136 short hn_agg_align; 137 138 /* Packet transmission aggregation states. */ 139 struct hn_txdesc *hn_agg_txd; 140 int hn_agg_szleft; 141 short hn_agg_pktleft; 142 struct rndis_packet_msg *hn_agg_prevpkt; 143 144 /* Temporary stats for each sends. */ 145 int hn_stat_size; 146 short hn_stat_pkts; 147 short hn_stat_mcasts; 148 149 int (*hn_sendpkt)(struct hn_tx_ring *, struct hn_txdesc *); 150 int hn_suspended; 151 int hn_gpa_cnt; 152 struct vmbus_gpa hn_gpa[HN_GPACNT_MAX]; 153 154 u_long hn_no_txdescs; 155 u_long hn_send_failed; 156 u_long hn_txdma_failed; 157 u_long hn_tx_collapsed; 158 u_long hn_tx_chimney_tried; 159 u_long hn_tx_chimney; 160 u_long hn_pkts; 161 u_long hn_sends; 162 u_long hn_flush_failed; 163 164 /* Rarely used stuffs */ 165 struct hn_txdesc *hn_txdesc; 166 bus_dma_tag_t hn_tx_rndis_dtag; 167 struct sysctl_oid *hn_tx_sysctl_tree; 168 } __aligned(CACHE_LINE_SIZE); 169 170 #define HN_TX_FLAG_ATTACHED 0x0001 171 #define HN_TX_FLAG_HASHVAL 0x0002 /* support HASHVAL pktinfo */ 172 173 /* 174 * Device-specific softc structure 175 */ 176 struct hn_softc { 177 struct ifnet *hn_ifp; 178 struct ifmedia hn_media; 179 device_t hn_dev; 180 int hn_if_flags; 181 struct sx hn_lock; 182 struct vmbus_channel *hn_prichan; 183 184 int hn_rx_ring_cnt; 185 int hn_rx_ring_inuse; 186 struct hn_rx_ring *hn_rx_ring; 187 188 struct rmlock hn_vf_lock; 189 struct ifnet *hn_vf_ifp; /* SR-IOV VF */ 190 uint32_t hn_xvf_flags; /* transparent VF flags */ 191 192 int hn_tx_ring_cnt; 193 int hn_tx_ring_inuse; 194 struct hn_tx_ring *hn_tx_ring; 195 196 uint8_t *hn_chim; 197 u_long *hn_chim_bmap; 198 int hn_chim_bmap_cnt; 199 int hn_chim_cnt; 200 int hn_chim_szmax; 201 202 int hn_cpu; 203 struct taskqueue **hn_tx_taskqs; 204 struct sysctl_oid *hn_tx_sysctl_tree; 205 struct sysctl_oid *hn_rx_sysctl_tree; 206 struct vmbus_xact_ctx *hn_xact; 207 uint32_t hn_nvs_ver; 208 uint32_t hn_rx_filter; 209 210 /* Packet transmission aggregation user settings. */ 211 int hn_agg_size; 212 int hn_agg_pkts; 213 214 struct taskqueue *hn_mgmt_taskq; 215 struct taskqueue *hn_mgmt_taskq0; 216 struct task hn_link_task; 217 struct task hn_netchg_init; 218 struct timeout_task hn_netchg_status; 219 uint32_t hn_link_flags; /* HN_LINK_FLAG_ */ 220 221 uint32_t hn_caps; /* HN_CAP_ */ 222 uint32_t hn_flags; /* HN_FLAG_ */ 223 u_int hn_pollhz; 224 225 void *hn_rxbuf; 226 uint32_t hn_rxbuf_gpadl; 227 struct hyperv_dma hn_rxbuf_dma; 228 229 uint32_t hn_chim_gpadl; 230 struct hyperv_dma hn_chim_dma; 231 232 uint32_t hn_rndis_rid; 233 uint32_t hn_ndis_ver; 234 int hn_ndis_tso_szmax; 235 int hn_ndis_tso_sgmin; 236 uint32_t hn_rndis_agg_size; 237 uint32_t hn_rndis_agg_pkts; 238 uint32_t hn_rndis_agg_align; 239 240 int hn_rss_ind_size; 241 uint32_t hn_rss_hash; /* NDIS_HASH_ */ 242 struct ndis_rssprm_toeplitz hn_rss; 243 244 eventhandler_tag hn_ifaddr_evthand; 245 eventhandler_tag hn_ifnet_evthand; 246 eventhandler_tag hn_ifnet_atthand; 247 eventhandler_tag hn_ifnet_dethand; 248 eventhandler_tag hn_ifnet_lnkhand; 249 250 /* 251 * Transparent VF delayed initialization. 252 */ 253 int hn_vf_rdytick; /* ticks, 0 == ready */ 254 struct taskqueue *hn_vf_taskq; 255 struct timeout_task hn_vf_init; 256 257 /* 258 * Saved information for VF under transparent mode. 259 */ 260 void (*hn_vf_input) 261 (struct ifnet *, struct mbuf *); 262 int hn_saved_caps; 263 u_int hn_saved_tsomax; 264 u_int hn_saved_tsosegcnt; 265 u_int hn_saved_tsosegsz; 266 }; 267 268 #define HN_FLAG_RXBUF_CONNECTED 0x0001 269 #define HN_FLAG_CHIM_CONNECTED 0x0002 270 #define HN_FLAG_HAS_RSSKEY 0x0004 271 #define HN_FLAG_HAS_RSSIND 0x0008 272 #define HN_FLAG_SYNTH_ATTACHED 0x0010 273 #define HN_FLAG_NO_SLEEPING 0x0020 274 #define HN_FLAG_RXBUF_REF 0x0040 275 #define HN_FLAG_CHIM_REF 0x0080 276 #define HN_FLAG_RXVF 0x0100 277 278 #define HN_FLAG_ERRORS (HN_FLAG_RXBUF_REF | HN_FLAG_CHIM_REF) 279 280 #define HN_XVFFLAG_ENABLED 0x0001 281 #define HN_XVFFLAG_ACCBPF 0x0002 282 283 #define HN_NO_SLEEPING(sc) \ 284 do { \ 285 (sc)->hn_flags |= HN_FLAG_NO_SLEEPING; \ 286 } while (0) 287 288 #define HN_SLEEPING_OK(sc) \ 289 do { \ 290 (sc)->hn_flags &= ~HN_FLAG_NO_SLEEPING; \ 291 } while (0) 292 293 #define HN_CAN_SLEEP(sc) \ 294 (((sc)->hn_flags & HN_FLAG_NO_SLEEPING) == 0) 295 296 #define HN_CAP_VLAN 0x0001 297 #define HN_CAP_MTU 0x0002 298 #define HN_CAP_IPCS 0x0004 299 #define HN_CAP_TCP4CS 0x0008 300 #define HN_CAP_TCP6CS 0x0010 301 #define HN_CAP_UDP4CS 0x0020 302 #define HN_CAP_UDP6CS 0x0040 303 #define HN_CAP_TSO4 0x0080 304 #define HN_CAP_TSO6 0x0100 305 #define HN_CAP_HASHVAL 0x0200 306 307 /* Capability description for use with printf(9) %b identifier. */ 308 #define HN_CAP_BITS \ 309 "\020\1VLAN\2MTU\3IPCS\4TCP4CS\5TCP6CS" \ 310 "\6UDP4CS\7UDP6CS\10TSO4\11TSO6\12HASHVAL" 311 312 #define HN_LINK_FLAG_LINKUP 0x0001 313 #define HN_LINK_FLAG_NETCHG 0x0002 314 315 #endif /* !_IF_HNVAR_H_ */ 316