1 /******************************************************************************
3 Copyright (c) 2001-2017, Intel Corporation
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
32 ******************************************************************************/
37 #include "opt_inet6.h"
43 #include <net/netmap.h>
44 #include <dev/netmap/netmap_kern.h>
46 /************************************************************************
48 ************************************************************************/
49 char ixv_driver_version[] = "2.0.1-k";
51 /************************************************************************
54 * Used by probe to select devices to load on
55 * Last field stores an index into ixv_strings
56 * Last entry must be all 0s
58 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index }
59 ************************************************************************/
60 static pci_vendor_info_t ixv_vendor_info_array[] =
62 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_VF, "Intel(R) PRO/10GbE Virtual Function Network Driver"),
63 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_VF, "Intel(R) PRO/10GbE Virtual Function Network Driver"),
64 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550_VF, "Intel(R) PRO/10GbE Virtual Function Network Driver"),
65 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_VF, "Intel(R) PRO/10GbE Virtual Function Network Driver"),
66 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_VF, "Intel(R) PRO/10GbE Virtual Function Network Driver"),
67 /* required last entry */
71 /************************************************************************
73 ************************************************************************/
74 static void *ixv_register(device_t dev);
75 static int ixv_if_attach_pre(if_ctx_t ctx);
76 static int ixv_if_attach_post(if_ctx_t ctx);
77 static int ixv_if_detach(if_ctx_t ctx);
79 static int ixv_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
80 static int ixv_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nqs, int nqsets);
81 static int ixv_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nqs, int nqsets);
82 static void ixv_if_queues_free(if_ctx_t ctx);
83 static void ixv_identify_hardware(if_ctx_t ctx);
84 static void ixv_init_device_features(struct adapter *);
85 static int ixv_allocate_pci_resources(if_ctx_t ctx);
86 static void ixv_free_pci_resources(if_ctx_t ctx);
87 static int ixv_setup_interface(if_ctx_t ctx);
88 static void ixv_if_media_status(if_ctx_t , struct ifmediareq *);
89 static int ixv_if_media_change(if_ctx_t ctx);
90 static void ixv_if_update_admin_status(if_ctx_t ctx);
91 static int ixv_if_msix_intr_assign(if_ctx_t ctx, int msix);
93 static int ixv_if_mtu_set(if_ctx_t ctx, uint32_t mtu);
94 static void ixv_if_init(if_ctx_t ctx);
95 static void ixv_if_local_timer(if_ctx_t ctx, uint16_t qid);
96 static void ixv_if_stop(if_ctx_t ctx);
97 static int ixv_negotiate_api(struct adapter *);
99 static void ixv_initialize_transmit_units(if_ctx_t ctx);
100 static void ixv_initialize_receive_units(if_ctx_t ctx);
101 static void ixv_initialize_rss_mapping(struct adapter *);
103 static void ixv_setup_vlan_support(if_ctx_t ctx);
104 static void ixv_configure_ivars(struct adapter *);
105 static void ixv_if_enable_intr(if_ctx_t ctx);
106 static void ixv_if_disable_intr(if_ctx_t ctx);
107 static void ixv_if_multi_set(if_ctx_t ctx);
109 static void ixv_if_register_vlan(if_ctx_t, u16);
110 static void ixv_if_unregister_vlan(if_ctx_t, u16);
112 static uint64_t ixv_if_get_counter(if_ctx_t, ift_counter);
113 static bool ixv_if_needs_restart(if_ctx_t, enum iflib_restart_event);
115 static void ixv_save_stats(struct adapter *);
116 static void ixv_init_stats(struct adapter *);
117 static void ixv_update_stats(struct adapter *);
118 static void ixv_add_stats_sysctls(struct adapter *adapter);
120 static int ixv_sysctl_debug(SYSCTL_HANDLER_ARGS);
121 static void ixv_set_ivar(struct adapter *, u8, u8, s8);
123 static u8 *ixv_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *);
125 /* The MSI-X Interrupt handlers */
126 static int ixv_msix_que(void *);
127 static int ixv_msix_mbx(void *);
129 /************************************************************************
130 * FreeBSD Device Interface Entry Points
131 ************************************************************************/
132 static device_method_t ixv_methods[] = {
133 /* Device interface */
134 DEVMETHOD(device_register, ixv_register),
135 DEVMETHOD(device_probe, iflib_device_probe),
136 DEVMETHOD(device_attach, iflib_device_attach),
137 DEVMETHOD(device_detach, iflib_device_detach),
138 DEVMETHOD(device_shutdown, iflib_device_shutdown),
142 static driver_t ixv_driver = {
143 "ixv", ixv_methods, sizeof(struct adapter),
146 devclass_t ixv_devclass;
147 DRIVER_MODULE(ixv, pci, ixv_driver, ixv_devclass, 0, 0);
148 IFLIB_PNP_INFO(pci, ixv_driver, ixv_vendor_info_array);
149 MODULE_DEPEND(ixv, iflib, 1, 1, 1);
150 MODULE_DEPEND(ixv, pci, 1, 1, 1);
151 MODULE_DEPEND(ixv, ether, 1, 1, 1);
153 static device_method_t ixv_if_methods[] = {
154 DEVMETHOD(ifdi_attach_pre, ixv_if_attach_pre),
155 DEVMETHOD(ifdi_attach_post, ixv_if_attach_post),
156 DEVMETHOD(ifdi_detach, ixv_if_detach),
157 DEVMETHOD(ifdi_init, ixv_if_init),
158 DEVMETHOD(ifdi_stop, ixv_if_stop),
159 DEVMETHOD(ifdi_msix_intr_assign, ixv_if_msix_intr_assign),
160 DEVMETHOD(ifdi_intr_enable, ixv_if_enable_intr),
161 DEVMETHOD(ifdi_intr_disable, ixv_if_disable_intr),
162 DEVMETHOD(ifdi_tx_queue_intr_enable, ixv_if_rx_queue_intr_enable),
163 DEVMETHOD(ifdi_rx_queue_intr_enable, ixv_if_rx_queue_intr_enable),
164 DEVMETHOD(ifdi_tx_queues_alloc, ixv_if_tx_queues_alloc),
165 DEVMETHOD(ifdi_rx_queues_alloc, ixv_if_rx_queues_alloc),
166 DEVMETHOD(ifdi_queues_free, ixv_if_queues_free),
167 DEVMETHOD(ifdi_update_admin_status, ixv_if_update_admin_status),
168 DEVMETHOD(ifdi_multi_set, ixv_if_multi_set),
169 DEVMETHOD(ifdi_mtu_set, ixv_if_mtu_set),
170 DEVMETHOD(ifdi_media_status, ixv_if_media_status),
171 DEVMETHOD(ifdi_media_change, ixv_if_media_change),
172 DEVMETHOD(ifdi_timer, ixv_if_local_timer),
173 DEVMETHOD(ifdi_vlan_register, ixv_if_register_vlan),
174 DEVMETHOD(ifdi_vlan_unregister, ixv_if_unregister_vlan),
175 DEVMETHOD(ifdi_get_counter, ixv_if_get_counter),
176 DEVMETHOD(ifdi_needs_restart, ixv_if_needs_restart),
180 static driver_t ixv_if_driver = {
181 "ixv_if", ixv_if_methods, sizeof(struct adapter)
185 * TUNEABLE PARAMETERS:
188 /* Flow control setting, default to full */
189 static int ixv_flow_control = ixgbe_fc_full;
190 TUNABLE_INT("hw.ixv.flow_control", &ixv_flow_control);
193 * Header split: this causes the hardware to DMA
194 * the header into a separate mbuf from the payload,
195 * it can be a performance win in some workloads, but
196 * in others it actually hurts, its off by default.
198 static int ixv_header_split = FALSE;
199 TUNABLE_INT("hw.ixv.hdr_split", &ixv_header_split);
202 * Shadow VFTA table, this is needed because
203 * the real filter table gets cleared during
204 * a soft reset and we need to repopulate it.
206 static u32 ixv_shadow_vfta[IXGBE_VFTA_SIZE];
207 extern struct if_txrx ixgbe_txrx;
209 static struct if_shared_ctx ixv_sctx_init = {
210 .isc_magic = IFLIB_MAGIC,
211 .isc_q_align = PAGE_SIZE,/* max(DBA_ALIGN, PAGE_SIZE) */
212 .isc_tx_maxsize = IXGBE_TSO_SIZE + sizeof(struct ether_vlan_header),
213 .isc_tx_maxsegsize = PAGE_SIZE,
214 .isc_tso_maxsize = IXGBE_TSO_SIZE + sizeof(struct ether_vlan_header),
215 .isc_tso_maxsegsize = PAGE_SIZE,
216 .isc_rx_maxsize = MJUM16BYTES,
217 .isc_rx_nsegments = 1,
218 .isc_rx_maxsegsize = MJUM16BYTES,
222 .isc_admin_intrcnt = 1,
223 .isc_vendor_info = ixv_vendor_info_array,
224 .isc_driver_version = ixv_driver_version,
225 .isc_driver = &ixv_if_driver,
226 .isc_flags = IFLIB_IS_VF | IFLIB_TSO_INIT_IP,
228 .isc_nrxd_min = {MIN_RXD},
229 .isc_ntxd_min = {MIN_TXD},
230 .isc_nrxd_max = {MAX_RXD},
231 .isc_ntxd_max = {MAX_TXD},
232 .isc_nrxd_default = {DEFAULT_RXD},
233 .isc_ntxd_default = {DEFAULT_TXD},
236 if_shared_ctx_t ixv_sctx = &ixv_sctx_init;
239 ixv_register(device_t dev)
244 /************************************************************************
245 * ixv_if_tx_queues_alloc
246 ************************************************************************/
248 ixv_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs,
249 int ntxqs, int ntxqsets)
251 struct adapter *adapter = iflib_get_softc(ctx);
252 if_softc_ctx_t scctx = adapter->shared;
253 struct ix_tx_queue *que;
256 MPASS(adapter->num_tx_queues == ntxqsets);
259 /* Allocate queue structure memory */
261 (struct ix_tx_queue *)malloc(sizeof(struct ix_tx_queue) * ntxqsets,
262 M_DEVBUF, M_NOWAIT | M_ZERO);
263 if (!adapter->tx_queues) {
264 device_printf(iflib_get_dev(ctx),
265 "Unable to allocate TX ring memory\n");
269 for (i = 0, que = adapter->tx_queues; i < ntxqsets; i++, que++) {
270 struct tx_ring *txr = &que->txr;
273 txr->adapter = que->adapter = adapter;
275 /* Allocate report status array */
276 if (!(txr->tx_rsq = (qidx_t *)malloc(sizeof(qidx_t) * scctx->isc_ntxd[0], M_DEVBUF, M_NOWAIT | M_ZERO))) {
280 for (j = 0; j < scctx->isc_ntxd[0]; j++)
281 txr->tx_rsq[j] = QIDX_INVALID;
282 /* get the virtual and physical address of the hardware queues */
283 txr->tail = IXGBE_VFTDT(txr->me);
284 txr->tx_base = (union ixgbe_adv_tx_desc *)vaddrs[i*ntxqs];
285 txr->tx_paddr = paddrs[i*ntxqs];
288 txr->total_packets = 0;
292 device_printf(iflib_get_dev(ctx), "allocated for %d queues\n",
293 adapter->num_tx_queues);
298 ixv_if_queues_free(ctx);
301 } /* ixv_if_tx_queues_alloc */
303 /************************************************************************
304 * ixv_if_rx_queues_alloc
305 ************************************************************************/
307 ixv_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs,
308 int nrxqs, int nrxqsets)
310 struct adapter *adapter = iflib_get_softc(ctx);
311 struct ix_rx_queue *que;
314 MPASS(adapter->num_rx_queues == nrxqsets);
317 /* Allocate queue structure memory */
319 (struct ix_rx_queue *)malloc(sizeof(struct ix_rx_queue) * nrxqsets,
320 M_DEVBUF, M_NOWAIT | M_ZERO);
321 if (!adapter->rx_queues) {
322 device_printf(iflib_get_dev(ctx),
323 "Unable to allocate TX ring memory\n");
328 for (i = 0, que = adapter->rx_queues; i < nrxqsets; i++, que++) {
329 struct rx_ring *rxr = &que->rxr;
331 rxr->adapter = que->adapter = adapter;
334 /* get the virtual and physical address of the hw queues */
335 rxr->tail = IXGBE_VFRDT(rxr->me);
336 rxr->rx_base = (union ixgbe_adv_rx_desc *)vaddrs[i];
337 rxr->rx_paddr = paddrs[i*nrxqs];
342 device_printf(iflib_get_dev(ctx), "allocated for %d rx queues\n",
343 adapter->num_rx_queues);
348 ixv_if_queues_free(ctx);
351 } /* ixv_if_rx_queues_alloc */
353 /************************************************************************
355 ************************************************************************/
357 ixv_if_queues_free(if_ctx_t ctx)
359 struct adapter *adapter = iflib_get_softc(ctx);
360 struct ix_tx_queue *que = adapter->tx_queues;
366 for (i = 0; i < adapter->num_tx_queues; i++, que++) {
367 struct tx_ring *txr = &que->txr;
368 if (txr->tx_rsq == NULL)
371 free(txr->tx_rsq, M_DEVBUF);
374 if (adapter->tx_queues != NULL)
375 free(adapter->tx_queues, M_DEVBUF);
377 if (adapter->rx_queues != NULL)
378 free(adapter->rx_queues, M_DEVBUF);
379 adapter->tx_queues = NULL;
380 adapter->rx_queues = NULL;
381 } /* ixv_if_queues_free */
383 /************************************************************************
384 * ixv_if_attach_pre - Device initialization routine
386 * Called when the driver is being loaded.
387 * Identifies the type of hardware, allocates all resources
388 * and initializes the hardware.
390 * return 0 on success, positive on failure
391 ************************************************************************/
393 ixv_if_attach_pre(if_ctx_t ctx)
395 struct adapter *adapter;
397 if_softc_ctx_t scctx;
401 INIT_DEBUGOUT("ixv_attach: begin");
403 /* Allocate, clear, and link in our adapter structure */
404 dev = iflib_get_dev(ctx);
405 adapter = iflib_get_softc(ctx);
408 adapter->hw.back = adapter;
409 scctx = adapter->shared = iflib_get_softc_ctx(ctx);
410 adapter->media = iflib_get_media(ctx);
413 /* Do base PCI setup - map BAR0 */
414 if (ixv_allocate_pci_resources(ctx)) {
415 device_printf(dev, "ixv_allocate_pci_resources() failed!\n");
421 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
422 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "debug",
423 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
424 adapter, 0, ixv_sysctl_debug, "I", "Debug Info");
426 /* Determine hardware revision */
427 ixv_identify_hardware(ctx);
428 ixv_init_device_features(adapter);
430 /* Initialize the shared code */
431 error = ixgbe_init_ops_vf(hw);
433 device_printf(dev, "ixgbe_init_ops_vf() failed!\n");
438 /* Setup the mailbox */
439 ixgbe_init_mbx_params_vf(hw);
441 error = hw->mac.ops.reset_hw(hw);
442 if (error == IXGBE_ERR_RESET_FAILED)
443 device_printf(dev, "...reset_hw() failure: Reset Failed!\n");
445 device_printf(dev, "...reset_hw() failed with error %d\n",
452 error = hw->mac.ops.init_hw(hw);
454 device_printf(dev, "...init_hw() failed with error %d\n",
460 /* Negotiate mailbox API version */
461 error = ixv_negotiate_api(adapter);
464 "Mailbox API negotiation failed during attach!\n");
468 /* If no mac address was assigned, make a random one */
469 if (!ixv_check_ether_addr(hw->mac.addr)) {
470 u8 addr[ETHER_ADDR_LEN];
471 arc4rand(&addr, sizeof(addr), 0);
474 bcopy(addr, hw->mac.addr, sizeof(addr));
475 bcopy(addr, hw->mac.perm_addr, sizeof(addr));
478 /* Most of the iflib initialization... */
480 iflib_set_mac(ctx, hw->mac.addr);
481 switch (adapter->hw.mac.type) {
482 case ixgbe_mac_X550_vf:
483 case ixgbe_mac_X550EM_x_vf:
484 case ixgbe_mac_X550EM_a_vf:
485 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 2;
488 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 1;
490 scctx->isc_txqsizes[0] =
491 roundup2(scctx->isc_ntxd[0] * sizeof(union ixgbe_adv_tx_desc) +
492 sizeof(u32), DBA_ALIGN);
493 scctx->isc_rxqsizes[0] =
494 roundup2(scctx->isc_nrxd[0] * sizeof(union ixgbe_adv_rx_desc),
497 scctx->isc_tx_csum_flags = CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO |
498 CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_TSO;
499 scctx->isc_tx_nsegments = IXGBE_82599_SCATTER;
500 scctx->isc_msix_bar = pci_msix_table_bar(dev);
501 scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments;
502 scctx->isc_tx_tso_size_max = IXGBE_TSO_SIZE;
503 scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
505 scctx->isc_txrx = &ixgbe_txrx;
508 * Tell the upper layer(s) we support everything the PF
509 * driver does except...
512 scctx->isc_capabilities = IXGBE_CAPS;
513 scctx->isc_capabilities ^= IFCAP_WOL;
514 scctx->isc_capenable = scctx->isc_capabilities;
516 INIT_DEBUGOUT("ixv_if_attach_pre: end");
521 ixv_free_pci_resources(ctx);
524 } /* ixv_if_attach_pre */
527 ixv_if_attach_post(if_ctx_t ctx)
529 struct adapter *adapter = iflib_get_softc(ctx);
530 device_t dev = iflib_get_dev(ctx);
533 /* Setup OS specific network interface */
534 error = ixv_setup_interface(ctx);
536 device_printf(dev, "Interface setup failed: %d\n", error);
540 /* Do the stats setup */
541 ixv_save_stats(adapter);
542 ixv_init_stats(adapter);
543 ixv_add_stats_sysctls(adapter);
547 } /* ixv_if_attach_post */
549 /************************************************************************
550 * ixv_detach - Device removal routine
552 * Called when the driver is being removed.
553 * Stops the adapter and deallocates all the resources
554 * that were allocated for driver operation.
556 * return 0 on success, positive on failure
557 ************************************************************************/
559 ixv_if_detach(if_ctx_t ctx)
561 INIT_DEBUGOUT("ixv_detach: begin");
563 ixv_free_pci_resources(ctx);
566 } /* ixv_if_detach */
568 /************************************************************************
570 ************************************************************************/
572 ixv_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
574 struct adapter *adapter = iflib_get_softc(ctx);
575 struct ifnet *ifp = iflib_get_ifp(ctx);
578 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)");
579 if (mtu > IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR) {
583 adapter->max_frame_size = ifp->if_mtu + IXGBE_MTU_HDR;
587 } /* ixv_if_mtu_set */
589 /************************************************************************
590 * ixv_if_init - Init entry point
592 * Used in two ways: It is used by the stack as an init entry
593 * point in network interface structure. It is also used
594 * by the driver as a hw/sw initialization routine to get
595 * to a consistent state.
597 * return 0 on success, positive on failure
598 ************************************************************************/
600 ixv_if_init(if_ctx_t ctx)
602 struct adapter *adapter = iflib_get_softc(ctx);
603 struct ifnet *ifp = iflib_get_ifp(ctx);
604 device_t dev = iflib_get_dev(ctx);
605 struct ixgbe_hw *hw = &adapter->hw;
608 INIT_DEBUGOUT("ixv_if_init: begin");
609 hw->adapter_stopped = FALSE;
610 hw->mac.ops.stop_adapter(hw);
612 /* reprogram the RAR[0] in case user changed it. */
613 hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
615 /* Get the latest mac address, User can use a LAA */
616 bcopy(IF_LLADDR(ifp), hw->mac.addr, IXGBE_ETH_LENGTH_OF_ADDRESS);
617 hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, 1);
619 /* Reset VF and renegotiate mailbox API version */
620 hw->mac.ops.reset_hw(hw);
621 hw->mac.ops.start_hw(hw);
622 error = ixv_negotiate_api(adapter);
625 "Mailbox API negotiation failed in if_init!\n");
629 ixv_initialize_transmit_units(ctx);
631 /* Setup Multicast table */
632 ixv_if_multi_set(ctx);
634 adapter->rx_mbuf_sz = iflib_get_rx_mbuf_sz(ctx);
636 /* Configure RX settings */
637 ixv_initialize_receive_units(ctx);
639 /* Set up VLAN offload and filter */
640 ixv_setup_vlan_support(ctx);
642 /* Set up MSI-X routing */
643 ixv_configure_ivars(adapter);
645 /* Set up auto-mask */
646 IXGBE_WRITE_REG(hw, IXGBE_VTEIAM, IXGBE_EICS_RTX_QUEUE);
648 /* Set moderation on the Link interrupt */
649 IXGBE_WRITE_REG(hw, IXGBE_VTEITR(adapter->vector), IXGBE_LINK_ITR);
652 ixv_init_stats(adapter);
654 /* Config/Enable Link */
655 hw->mac.ops.check_link(hw, &adapter->link_speed, &adapter->link_up,
658 /* And now turn on interrupts */
659 ixv_if_enable_intr(ctx);
664 /************************************************************************
666 ************************************************************************/
668 ixv_enable_queue(struct adapter *adapter, u32 vector)
670 struct ixgbe_hw *hw = &adapter->hw;
671 u32 queue = 1 << vector;
674 mask = (IXGBE_EIMS_RTX_QUEUE & queue);
675 IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, mask);
676 } /* ixv_enable_queue */
678 /************************************************************************
680 ************************************************************************/
682 ixv_disable_queue(struct adapter *adapter, u32 vector)
684 struct ixgbe_hw *hw = &adapter->hw;
685 u64 queue = (u64)(1 << vector);
688 mask = (IXGBE_EIMS_RTX_QUEUE & queue);
689 IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, mask);
690 } /* ixv_disable_queue */
693 /************************************************************************
694 * ixv_msix_que - MSI-X Queue Interrupt Service routine
695 ************************************************************************/
697 ixv_msix_que(void *arg)
699 struct ix_rx_queue *que = arg;
700 struct adapter *adapter = que->adapter;
702 ixv_disable_queue(adapter, que->msix);
705 return (FILTER_SCHEDULE_THREAD);
708 /************************************************************************
710 ************************************************************************/
712 ixv_msix_mbx(void *arg)
714 struct adapter *adapter = arg;
715 struct ixgbe_hw *hw = &adapter->hw;
720 /* First get the cause */
721 reg = IXGBE_READ_REG(hw, IXGBE_VTEICS);
722 /* Clear interrupt with write */
723 IXGBE_WRITE_REG(hw, IXGBE_VTEICR, reg);
725 /* Link status change */
726 if (reg & IXGBE_EICR_LSC)
727 iflib_admin_intr_deferred(adapter->ctx);
729 IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, IXGBE_EIMS_OTHER);
731 return (FILTER_HANDLED);
734 /************************************************************************
735 * ixv_media_status - Media Ioctl callback
737 * Called whenever the user queries the status of
738 * the interface using ifconfig.
739 ************************************************************************/
741 ixv_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
743 struct adapter *adapter = iflib_get_softc(ctx);
745 INIT_DEBUGOUT("ixv_media_status: begin");
747 iflib_admin_intr_deferred(ctx);
749 ifmr->ifm_status = IFM_AVALID;
750 ifmr->ifm_active = IFM_ETHER;
752 if (!adapter->link_active)
755 ifmr->ifm_status |= IFM_ACTIVE;
757 switch (adapter->link_speed) {
758 case IXGBE_LINK_SPEED_1GB_FULL:
759 ifmr->ifm_active |= IFM_1000_T | IFM_FDX;
761 case IXGBE_LINK_SPEED_10GB_FULL:
762 ifmr->ifm_active |= IFM_10G_T | IFM_FDX;
764 case IXGBE_LINK_SPEED_100_FULL:
765 ifmr->ifm_active |= IFM_100_TX | IFM_FDX;
767 case IXGBE_LINK_SPEED_10_FULL:
768 ifmr->ifm_active |= IFM_10_T | IFM_FDX;
771 } /* ixv_if_media_status */
773 /************************************************************************
774 * ixv_if_media_change - Media Ioctl callback
776 * Called when the user changes speed/duplex using
777 * media/mediopt option with ifconfig.
778 ************************************************************************/
780 ixv_if_media_change(if_ctx_t ctx)
782 struct adapter *adapter = iflib_get_softc(ctx);
783 struct ifmedia *ifm = iflib_get_media(ctx);
785 INIT_DEBUGOUT("ixv_media_change: begin");
787 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
790 switch (IFM_SUBTYPE(ifm->ifm_media)) {
794 device_printf(adapter->dev, "Only auto media type\n");
799 } /* ixv_if_media_change */
802 /************************************************************************
805 * Negotiate the Mailbox API with the PF;
806 * start with the most featured API first.
807 ************************************************************************/
809 ixv_negotiate_api(struct adapter *adapter)
811 struct ixgbe_hw *hw = &adapter->hw;
812 int mbx_api[] = { ixgbe_mbox_api_11,
814 ixgbe_mbox_api_unknown };
817 while (mbx_api[i] != ixgbe_mbox_api_unknown) {
818 if (ixgbevf_negotiate_api_version(hw, mbx_api[i]) == 0)
824 } /* ixv_negotiate_api */
827 /************************************************************************
828 * ixv_if_multi_set - Multicast Update
830 * Called whenever multicast address list is updated.
831 ************************************************************************/
833 ixv_if_multi_set(if_ctx_t ctx)
835 u8 mta[MAX_NUM_MULTICAST_ADDRESSES * IXGBE_ETH_LENGTH_OF_ADDRESS];
836 struct adapter *adapter = iflib_get_softc(ctx);
838 struct ifmultiaddr *ifma;
839 if_t ifp = iflib_get_ifp(ctx);
842 IOCTL_DEBUGOUT("ixv_if_multi_set: begin");
844 CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
845 if (ifma->ifma_addr->sa_family != AF_LINK)
847 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
848 &mta[mcnt * IXGBE_ETH_LENGTH_OF_ADDRESS],
849 IXGBE_ETH_LENGTH_OF_ADDRESS);
855 adapter->hw.mac.ops.update_mc_addr_list(&adapter->hw, update_ptr, mcnt,
856 ixv_mc_array_itr, TRUE);
857 } /* ixv_if_multi_set */
859 /************************************************************************
862 * An iterator function needed by the multicast shared code.
863 * It feeds the shared code routine the addresses in the
864 * array of ixv_set_multi() one by one.
865 ************************************************************************/
867 ixv_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq)
869 u8 *addr = *update_ptr;
874 newptr = addr + IXGBE_ETH_LENGTH_OF_ADDRESS;
875 *update_ptr = newptr;
878 } /* ixv_mc_array_itr */
880 /************************************************************************
881 * ixv_if_local_timer - Timer routine
883 * Checks for link status, updates statistics,
884 * and runs the watchdog check.
885 ************************************************************************/
887 ixv_if_local_timer(if_ctx_t ctx, uint16_t qid)
892 /* Fire off the adminq task */
893 iflib_admin_intr_deferred(ctx);
894 } /* ixv_if_local_timer */
896 /************************************************************************
897 * ixv_if_update_admin_status - Update OS on link state
899 * Note: Only updates the OS on the cached link state.
900 * The real check of the hardware only happens with
902 ************************************************************************/
904 ixv_if_update_admin_status(if_ctx_t ctx)
906 struct adapter *adapter = iflib_get_softc(ctx);
907 device_t dev = iflib_get_dev(ctx);
910 adapter->hw.mac.get_link_status = TRUE;
912 status = ixgbe_check_link(&adapter->hw, &adapter->link_speed,
913 &adapter->link_up, FALSE);
915 if (status != IXGBE_SUCCESS && adapter->hw.adapter_stopped == FALSE) {
916 /* Mailbox's Clear To Send status is lost or timeout occurred.
917 * We need reinitialization. */
918 iflib_get_ifp(ctx)->if_init(ctx);
921 if (adapter->link_up) {
922 if (adapter->link_active == FALSE) {
924 device_printf(dev, "Link is up %d Gbps %s \n",
925 ((adapter->link_speed == 128) ? 10 : 1),
927 adapter->link_active = TRUE;
928 iflib_link_state_change(ctx, LINK_STATE_UP,
931 } else { /* Link down */
932 if (adapter->link_active == TRUE) {
934 device_printf(dev, "Link is Down\n");
935 iflib_link_state_change(ctx, LINK_STATE_DOWN, 0);
936 adapter->link_active = FALSE;
941 ixv_update_stats(adapter);
942 } /* ixv_if_update_admin_status */
945 /************************************************************************
946 * ixv_if_stop - Stop the hardware
948 * Disables all traffic on the adapter by issuing a
949 * global reset on the MAC and deallocates TX/RX buffers.
950 ************************************************************************/
952 ixv_if_stop(if_ctx_t ctx)
954 struct adapter *adapter = iflib_get_softc(ctx);
955 struct ixgbe_hw *hw = &adapter->hw;
957 INIT_DEBUGOUT("ixv_stop: begin\n");
959 ixv_if_disable_intr(ctx);
961 hw->mac.ops.reset_hw(hw);
962 adapter->hw.adapter_stopped = FALSE;
963 hw->mac.ops.stop_adapter(hw);
965 /* Update the stack */
966 adapter->link_up = FALSE;
967 ixv_if_update_admin_status(ctx);
969 /* reprogram the RAR[0] in case user changed it. */
970 hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
974 /************************************************************************
975 * ixv_identify_hardware - Determine hardware revision.
976 ************************************************************************/
978 ixv_identify_hardware(if_ctx_t ctx)
980 struct adapter *adapter = iflib_get_softc(ctx);
981 device_t dev = iflib_get_dev(ctx);
982 struct ixgbe_hw *hw = &adapter->hw;
984 /* Save off the information about this board */
985 hw->vendor_id = pci_get_vendor(dev);
986 hw->device_id = pci_get_device(dev);
987 hw->revision_id = pci_get_revid(dev);
988 hw->subsystem_vendor_id = pci_get_subvendor(dev);
989 hw->subsystem_device_id = pci_get_subdevice(dev);
991 /* A subset of set_mac_type */
992 switch (hw->device_id) {
993 case IXGBE_DEV_ID_82599_VF:
994 hw->mac.type = ixgbe_mac_82599_vf;
996 case IXGBE_DEV_ID_X540_VF:
997 hw->mac.type = ixgbe_mac_X540_vf;
999 case IXGBE_DEV_ID_X550_VF:
1000 hw->mac.type = ixgbe_mac_X550_vf;
1002 case IXGBE_DEV_ID_X550EM_X_VF:
1003 hw->mac.type = ixgbe_mac_X550EM_x_vf;
1005 case IXGBE_DEV_ID_X550EM_A_VF:
1006 hw->mac.type = ixgbe_mac_X550EM_a_vf;
1009 device_printf(dev, "unknown mac type\n");
1010 hw->mac.type = ixgbe_mac_unknown;
1013 } /* ixv_identify_hardware */
1015 /************************************************************************
1016 * ixv_if_msix_intr_assign - Setup MSI-X Interrupt resources and handlers
1017 ************************************************************************/
1019 ixv_if_msix_intr_assign(if_ctx_t ctx, int msix)
1021 struct adapter *adapter = iflib_get_softc(ctx);
1022 device_t dev = iflib_get_dev(ctx);
1023 struct ix_rx_queue *rx_que = adapter->rx_queues;
1024 struct ix_tx_queue *tx_que;
1025 int error, rid, vector = 0;
1028 for (int i = 0; i < adapter->num_rx_queues; i++, vector++, rx_que++) {
1031 snprintf(buf, sizeof(buf), "rxq%d", i);
1032 error = iflib_irq_alloc_generic(ctx, &rx_que->que_irq, rid,
1033 IFLIB_INTR_RX, ixv_msix_que, rx_que, rx_que->rxr.me, buf);
1036 device_printf(iflib_get_dev(ctx),
1037 "Failed to allocate que int %d err: %d", i, error);
1038 adapter->num_rx_queues = i + 1;
1042 rx_que->msix = vector;
1045 for (int i = 0; i < adapter->num_tx_queues; i++) {
1046 snprintf(buf, sizeof(buf), "txq%d", i);
1047 tx_que = &adapter->tx_queues[i];
1048 tx_que->msix = i % adapter->num_rx_queues;
1049 iflib_softirq_alloc_generic(ctx,
1050 &adapter->rx_queues[tx_que->msix].que_irq,
1051 IFLIB_INTR_TX, tx_que, tx_que->txr.me, buf);
1054 error = iflib_irq_alloc_generic(ctx, &adapter->irq, rid,
1055 IFLIB_INTR_ADMIN, ixv_msix_mbx, adapter, 0, "aq");
1057 device_printf(iflib_get_dev(ctx),
1058 "Failed to register admin handler");
1062 adapter->vector = vector;
1064 * Due to a broken design QEMU will fail to properly
1065 * enable the guest for MSIX unless the vectors in
1066 * the table are all set up, so we must rewrite the
1067 * ENABLE in the MSIX control register again at this
1068 * point to cause it to successfully initialize us.
1070 if (adapter->hw.mac.type == ixgbe_mac_82599_vf) {
1072 pci_find_cap(dev, PCIY_MSIX, &rid);
1073 rid += PCIR_MSIX_CTRL;
1074 msix_ctrl = pci_read_config(dev, rid, 2);
1075 msix_ctrl |= PCIM_MSIXCTRL_MSIX_ENABLE;
1076 pci_write_config(dev, rid, msix_ctrl, 2);
1082 iflib_irq_free(ctx, &adapter->irq);
1083 rx_que = adapter->rx_queues;
1084 for (int i = 0; i < adapter->num_rx_queues; i++, rx_que++)
1085 iflib_irq_free(ctx, &rx_que->que_irq);
1088 } /* ixv_if_msix_intr_assign */
1090 /************************************************************************
1091 * ixv_allocate_pci_resources
1092 ************************************************************************/
1094 ixv_allocate_pci_resources(if_ctx_t ctx)
1096 struct adapter *adapter = iflib_get_softc(ctx);
1097 device_t dev = iflib_get_dev(ctx);
1101 adapter->pci_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
1104 if (!(adapter->pci_mem)) {
1105 device_printf(dev, "Unable to allocate bus resource: memory\n");
1109 adapter->osdep.mem_bus_space_tag = rman_get_bustag(adapter->pci_mem);
1110 adapter->osdep.mem_bus_space_handle =
1111 rman_get_bushandle(adapter->pci_mem);
1112 adapter->hw.hw_addr = (u8 *)&adapter->osdep.mem_bus_space_handle;
1115 } /* ixv_allocate_pci_resources */
1117 /************************************************************************
1118 * ixv_free_pci_resources
1119 ************************************************************************/
1121 ixv_free_pci_resources(if_ctx_t ctx)
1123 struct adapter *adapter = iflib_get_softc(ctx);
1124 struct ix_rx_queue *que = adapter->rx_queues;
1125 device_t dev = iflib_get_dev(ctx);
1127 /* Release all MSI-X queue resources */
1128 if (adapter->intr_type == IFLIB_INTR_MSIX)
1129 iflib_irq_free(ctx, &adapter->irq);
1132 for (int i = 0; i < adapter->num_rx_queues; i++, que++) {
1133 iflib_irq_free(ctx, &que->que_irq);
1137 if (adapter->pci_mem != NULL)
1138 bus_release_resource(dev, SYS_RES_MEMORY,
1139 rman_get_rid(adapter->pci_mem), adapter->pci_mem);
1140 } /* ixv_free_pci_resources */
1142 /************************************************************************
1143 * ixv_setup_interface
1145 * Setup networking device structure and register an interface.
1146 ************************************************************************/
1148 ixv_setup_interface(if_ctx_t ctx)
1150 struct adapter *adapter = iflib_get_softc(ctx);
1151 if_softc_ctx_t scctx = adapter->shared;
1152 struct ifnet *ifp = iflib_get_ifp(ctx);
1154 INIT_DEBUGOUT("ixv_setup_interface: begin");
1156 if_setbaudrate(ifp, IF_Gbps(10));
1157 ifp->if_snd.ifq_maxlen = scctx->isc_ntxd[0] - 2;
1160 adapter->max_frame_size = ifp->if_mtu + IXGBE_MTU_HDR;
1161 ifmedia_add(adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL);
1162 ifmedia_set(adapter->media, IFM_ETHER | IFM_AUTO);
1165 } /* ixv_setup_interface */
1167 /************************************************************************
1168 * ixv_if_get_counter
1169 ************************************************************************/
1171 ixv_if_get_counter(if_ctx_t ctx, ift_counter cnt)
1173 struct adapter *adapter = iflib_get_softc(ctx);
1174 if_t ifp = iflib_get_ifp(ctx);
1177 case IFCOUNTER_IPACKETS:
1178 return (adapter->ipackets);
1179 case IFCOUNTER_OPACKETS:
1180 return (adapter->opackets);
1181 case IFCOUNTER_IBYTES:
1182 return (adapter->ibytes);
1183 case IFCOUNTER_OBYTES:
1184 return (adapter->obytes);
1185 case IFCOUNTER_IMCASTS:
1186 return (adapter->imcasts);
1188 return (if_get_counter_default(ifp, cnt));
1190 } /* ixv_if_get_counter */
1192 /* ixv_if_needs_restart - Tell iflib when the driver needs to be reinitialized
1193 * @ctx: iflib context
1194 * @event: event code to check
1196 * Defaults to returning true for every event.
1198 * @returns true if iflib needs to reinit the interface
1201 ixv_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
1204 case IFLIB_RESTART_VLAN_CONFIG:
1205 /* XXX: This may not need to return true */
1211 /************************************************************************
1212 * ixv_initialize_transmit_units - Enable transmit unit.
1213 ************************************************************************/
1215 ixv_initialize_transmit_units(if_ctx_t ctx)
1217 struct adapter *adapter = iflib_get_softc(ctx);
1218 struct ixgbe_hw *hw = &adapter->hw;
1219 if_softc_ctx_t scctx = adapter->shared;
1220 struct ix_tx_queue *que = adapter->tx_queues;
1223 for (i = 0; i < adapter->num_tx_queues; i++, que++) {
1224 struct tx_ring *txr = &que->txr;
1225 u64 tdba = txr->tx_paddr;
1229 /* Set WTHRESH to 8, burst writeback */
1230 txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(j));
1231 txdctl |= (8 << 16);
1232 IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(j), txdctl);
1234 /* Set the HW Tx Head and Tail indices */
1235 IXGBE_WRITE_REG(&adapter->hw, IXGBE_VFTDH(j), 0);
1236 IXGBE_WRITE_REG(&adapter->hw, IXGBE_VFTDT(j), 0);
1238 /* Set Tx Tail register */
1239 txr->tail = IXGBE_VFTDT(j);
1241 txr->tx_rs_cidx = txr->tx_rs_pidx;
1242 /* Initialize the last processed descriptor to be the end of
1243 * the ring, rather than the start, so that we avoid an
1244 * off-by-one error when calculating how many descriptors are
1245 * done in the credits_update function.
1247 txr->tx_cidx_processed = scctx->isc_ntxd[0] - 1;
1248 for (int k = 0; k < scctx->isc_ntxd[0]; k++)
1249 txr->tx_rsq[k] = QIDX_INVALID;
1251 /* Set Ring parameters */
1252 IXGBE_WRITE_REG(hw, IXGBE_VFTDBAL(j),
1253 (tdba & 0x00000000ffffffffULL));
1254 IXGBE_WRITE_REG(hw, IXGBE_VFTDBAH(j), (tdba >> 32));
1255 IXGBE_WRITE_REG(hw, IXGBE_VFTDLEN(j),
1256 scctx->isc_ntxd[0] * sizeof(struct ixgbe_legacy_tx_desc));
1257 txctrl = IXGBE_READ_REG(hw, IXGBE_VFDCA_TXCTRL(j));
1258 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
1259 IXGBE_WRITE_REG(hw, IXGBE_VFDCA_TXCTRL(j), txctrl);
1262 txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(j));
1263 txdctl |= IXGBE_TXDCTL_ENABLE;
1264 IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(j), txdctl);
1268 } /* ixv_initialize_transmit_units */
1270 /************************************************************************
1271 * ixv_initialize_rss_mapping
1272 ************************************************************************/
1274 ixv_initialize_rss_mapping(struct adapter *adapter)
1276 struct ixgbe_hw *hw = &adapter->hw;
1277 u32 reta = 0, mrqc, rss_key[10];
1280 u32 rss_hash_config;
1282 if (adapter->feat_en & IXGBE_FEATURE_RSS) {
1283 /* Fetch the configured RSS key */
1284 rss_getkey((uint8_t *)&rss_key);
1286 /* set up random bits */
1287 arc4rand(&rss_key, sizeof(rss_key), 0);
1290 /* Now fill out hash function seeds */
1291 for (i = 0; i < 10; i++)
1292 IXGBE_WRITE_REG(hw, IXGBE_VFRSSRK(i), rss_key[i]);
1294 /* Set up the redirection table */
1295 for (i = 0, j = 0; i < 64; i++, j++) {
1296 if (j == adapter->num_rx_queues)
1299 if (adapter->feat_en & IXGBE_FEATURE_RSS) {
1301 * Fetch the RSS bucket id for the given indirection
1302 * entry. Cap it at the number of configured buckets
1303 * (which is num_rx_queues.)
1305 queue_id = rss_get_indirection_to_bucket(i);
1306 queue_id = queue_id % adapter->num_rx_queues;
1311 * The low 8 bits are for hash value (n+0);
1312 * The next 8 bits are for hash value (n+1), etc.
1315 reta |= ((uint32_t)queue_id) << 24;
1317 IXGBE_WRITE_REG(hw, IXGBE_VFRETA(i >> 2), reta);
1322 /* Perform hash on these packet types */
1323 if (adapter->feat_en & IXGBE_FEATURE_RSS)
1324 rss_hash_config = rss_gethashconfig();
1327 * Disable UDP - IP fragments aren't currently being handled
1328 * and so we end up with a mix of 2-tuple and 4-tuple
1331 rss_hash_config = RSS_HASHTYPE_RSS_IPV4
1332 | RSS_HASHTYPE_RSS_TCP_IPV4
1333 | RSS_HASHTYPE_RSS_IPV6
1334 | RSS_HASHTYPE_RSS_TCP_IPV6;
1337 mrqc = IXGBE_MRQC_RSSEN;
1338 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4)
1339 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4;
1340 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4)
1341 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP;
1342 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6)
1343 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6;
1344 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6)
1345 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
1346 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX)
1347 device_printf(adapter->dev, "%s: RSS_HASHTYPE_RSS_IPV6_EX defined, but not supported\n",
1349 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX)
1350 device_printf(adapter->dev, "%s: RSS_HASHTYPE_RSS_TCP_IPV6_EX defined, but not supported\n",
1352 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4)
1353 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
1354 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6)
1355 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
1356 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX)
1357 device_printf(adapter->dev, "%s: RSS_HASHTYPE_RSS_UDP_IPV6_EX defined, but not supported\n",
1359 IXGBE_WRITE_REG(hw, IXGBE_VFMRQC, mrqc);
1360 } /* ixv_initialize_rss_mapping */
1363 /************************************************************************
1364 * ixv_initialize_receive_units - Setup receive registers and features.
1365 ************************************************************************/
1367 ixv_initialize_receive_units(if_ctx_t ctx)
1369 struct adapter *adapter = iflib_get_softc(ctx);
1370 if_softc_ctx_t scctx;
1371 struct ixgbe_hw *hw = &adapter->hw;
1372 struct ifnet *ifp = iflib_get_ifp(ctx);
1373 struct ix_rx_queue *que = adapter->rx_queues;
1376 if (ifp->if_mtu > ETHERMTU)
1377 bufsz = 4096 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
1379 bufsz = 2048 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
1381 psrtype = IXGBE_PSRTYPE_TCPHDR
1382 | IXGBE_PSRTYPE_UDPHDR
1383 | IXGBE_PSRTYPE_IPV4HDR
1384 | IXGBE_PSRTYPE_IPV6HDR
1385 | IXGBE_PSRTYPE_L2HDR;
1387 if (adapter->num_rx_queues > 1)
1390 IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, psrtype);
1392 /* Tell PF our max_frame size */
1393 if (ixgbevf_rlpml_set_vf(hw, adapter->max_frame_size) != 0) {
1394 device_printf(adapter->dev, "There is a problem with the PF setup. It is likely the receive unit for this VF will not function correctly.\n");
1396 scctx = adapter->shared;
1398 for (int i = 0; i < adapter->num_rx_queues; i++, que++) {
1399 struct rx_ring *rxr = &que->rxr;
1400 u64 rdba = rxr->rx_paddr;
1404 /* Disable the queue */
1405 rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j));
1406 rxdctl &= ~IXGBE_RXDCTL_ENABLE;
1407 IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(j), rxdctl);
1408 for (int k = 0; k < 10; k++) {
1409 if (IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j)) &
1410 IXGBE_RXDCTL_ENABLE)
1416 /* Setup the Base and Length of the Rx Descriptor Ring */
1417 IXGBE_WRITE_REG(hw, IXGBE_VFRDBAL(j),
1418 (rdba & 0x00000000ffffffffULL));
1419 IXGBE_WRITE_REG(hw, IXGBE_VFRDBAH(j), (rdba >> 32));
1420 IXGBE_WRITE_REG(hw, IXGBE_VFRDLEN(j),
1421 scctx->isc_nrxd[0] * sizeof(union ixgbe_adv_rx_desc));
1423 /* Reset the ring indices */
1424 IXGBE_WRITE_REG(hw, IXGBE_VFRDH(rxr->me), 0);
1425 IXGBE_WRITE_REG(hw, IXGBE_VFRDT(rxr->me), 0);
1427 /* Set up the SRRCTL register */
1428 reg = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(j));
1429 reg &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
1430 reg &= ~IXGBE_SRRCTL_BSIZEPKT_MASK;
1432 reg |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
1433 IXGBE_WRITE_REG(hw, IXGBE_VFSRRCTL(j), reg);
1435 /* Capture Rx Tail index */
1436 rxr->tail = IXGBE_VFRDT(rxr->me);
1438 /* Do the queue enabling last */
1439 rxdctl |= IXGBE_RXDCTL_ENABLE | IXGBE_RXDCTL_VME;
1440 IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(j), rxdctl);
1441 for (int l = 0; l < 10; l++) {
1442 if (IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j)) &
1443 IXGBE_RXDCTL_ENABLE)
1449 /* Set the Tail Pointer */
1452 * In netmap mode, we must preserve the buffers made
1453 * available to userspace before the if_init()
1454 * (this is true by default on the TX side, because
1455 * init makes all buffers available to userspace).
1457 * netmap_reset() and the device specific routines
1458 * (e.g. ixgbe_setup_receive_rings()) map these
1459 * buffers at the end of the NIC ring, so here we
1460 * must set the RDT (tail) register to make sure
1461 * they are not overwritten.
1463 * In this driver the NIC ring starts at RDH = 0,
1464 * RDT points to the last slot available for reception (?),
1465 * so RDT = num_rx_desc - 1 means the whole ring is available.
1467 if (ifp->if_capenable & IFCAP_NETMAP) {
1468 struct netmap_adapter *na = NA(ifp);
1469 struct netmap_kring *kring = na->rx_rings[j];
1470 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring);
1472 IXGBE_WRITE_REG(hw, IXGBE_VFRDT(rxr->me), t);
1474 #endif /* DEV_NETMAP */
1475 IXGBE_WRITE_REG(hw, IXGBE_VFRDT(rxr->me),
1476 scctx->isc_nrxd[0] - 1);
1480 * Do not touch RSS and RETA settings for older hardware
1481 * as those are shared among PF and all VF.
1483 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
1484 ixv_initialize_rss_mapping(adapter);
1485 } /* ixv_initialize_receive_units */
1487 /************************************************************************
1488 * ixv_setup_vlan_support
1489 ************************************************************************/
1491 ixv_setup_vlan_support(if_ctx_t ctx)
1493 struct ifnet *ifp = iflib_get_ifp(ctx);
1494 struct adapter *adapter = iflib_get_softc(ctx);
1495 struct ixgbe_hw *hw = &adapter->hw;
1496 u32 ctrl, vid, vfta, retry;
1499 * We get here thru if_init, meaning
1500 * a soft reset, this has already cleared
1501 * the VFTA and other state, so if there
1502 * have been no vlan's registered do nothing.
1504 if (adapter->num_vlans == 0)
1507 if (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) {
1508 /* Enable the queues */
1509 for (int i = 0; i < adapter->num_rx_queues; i++) {
1510 ctrl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
1511 ctrl |= IXGBE_RXDCTL_VME;
1512 IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), ctrl);
1514 * Let Rx path know that it needs to store VLAN tag
1515 * as part of extra mbuf info.
1517 adapter->rx_queues[i].rxr.vtag_strip = TRUE;
1522 * If filtering VLAN tags is disabled,
1523 * there is no need to fill VLAN Filter Table Array (VFTA).
1525 if ((ifp->if_capenable & IFCAP_VLAN_HWFILTER) == 0)
1529 * A soft reset zero's out the VFTA, so
1530 * we need to repopulate it now.
1532 for (int i = 0; i < IXGBE_VFTA_SIZE; i++) {
1533 if (ixv_shadow_vfta[i] == 0)
1535 vfta = ixv_shadow_vfta[i];
1537 * Reconstruct the vlan id's
1538 * based on the bits set in each
1539 * of the array ints.
1541 for (int j = 0; j < 32; j++) {
1543 if ((vfta & (1 << j)) == 0)
1546 /* Call the shared code mailbox routine */
1547 while (hw->mac.ops.set_vfta(hw, vid, 0, TRUE, FALSE)) {
1553 } /* ixv_setup_vlan_support */
1555 /************************************************************************
1556 * ixv_if_register_vlan
1558 * Run via a vlan config EVENT, it enables us to use the
1559 * HW Filter table since we can get the vlan id. This just
1560 * creates the entry in the soft version of the VFTA, init
1561 * will repopulate the real table.
1562 ************************************************************************/
1564 ixv_if_register_vlan(if_ctx_t ctx, u16 vtag)
1566 struct adapter *adapter = iflib_get_softc(ctx);
1569 index = (vtag >> 5) & 0x7F;
1571 ixv_shadow_vfta[index] |= (1 << bit);
1572 ++adapter->num_vlans;
1573 } /* ixv_if_register_vlan */
1575 /************************************************************************
1576 * ixv_if_unregister_vlan
1578 * Run via a vlan unconfig EVENT, remove our entry
1580 ************************************************************************/
1582 ixv_if_unregister_vlan(if_ctx_t ctx, u16 vtag)
1584 struct adapter *adapter = iflib_get_softc(ctx);
1587 index = (vtag >> 5) & 0x7F;
1589 ixv_shadow_vfta[index] &= ~(1 << bit);
1590 --adapter->num_vlans;
1591 } /* ixv_if_unregister_vlan */
1593 /************************************************************************
1594 * ixv_if_enable_intr
1595 ************************************************************************/
1597 ixv_if_enable_intr(if_ctx_t ctx)
1599 struct adapter *adapter = iflib_get_softc(ctx);
1600 struct ixgbe_hw *hw = &adapter->hw;
1601 struct ix_rx_queue *que = adapter->rx_queues;
1602 u32 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE);
1604 IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, mask);
1606 mask = IXGBE_EIMS_ENABLE_MASK;
1607 mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC);
1608 IXGBE_WRITE_REG(hw, IXGBE_VTEIAC, mask);
1610 for (int i = 0; i < adapter->num_rx_queues; i++, que++)
1611 ixv_enable_queue(adapter, que->msix);
1613 IXGBE_WRITE_FLUSH(hw);
1614 } /* ixv_if_enable_intr */
1616 /************************************************************************
1617 * ixv_if_disable_intr
1618 ************************************************************************/
1620 ixv_if_disable_intr(if_ctx_t ctx)
1622 struct adapter *adapter = iflib_get_softc(ctx);
1623 IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEIAC, 0);
1624 IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEIMC, ~0);
1625 IXGBE_WRITE_FLUSH(&adapter->hw);
1626 } /* ixv_if_disable_intr */
1628 /************************************************************************
1629 * ixv_if_rx_queue_intr_enable
1630 ************************************************************************/
1632 ixv_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid)
1634 struct adapter *adapter = iflib_get_softc(ctx);
1635 struct ix_rx_queue *que = &adapter->rx_queues[rxqid];
1637 ixv_enable_queue(adapter, que->rxr.me);
1640 } /* ixv_if_rx_queue_intr_enable */
1642 /************************************************************************
1645 * Setup the correct IVAR register for a particular MSI-X interrupt
1646 * - entry is the register array entry
1647 * - vector is the MSI-X vector for this queue
1648 * - type is RX/TX/MISC
1649 ************************************************************************/
1651 ixv_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type)
1653 struct ixgbe_hw *hw = &adapter->hw;
1656 vector |= IXGBE_IVAR_ALLOC_VAL;
1658 if (type == -1) { /* MISC IVAR */
1659 ivar = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
1662 IXGBE_WRITE_REG(hw, IXGBE_VTIVAR_MISC, ivar);
1663 } else { /* RX/TX IVARS */
1664 index = (16 * (entry & 1)) + (8 * type);
1665 ivar = IXGBE_READ_REG(hw, IXGBE_VTIVAR(entry >> 1));
1666 ivar &= ~(0xFF << index);
1667 ivar |= (vector << index);
1668 IXGBE_WRITE_REG(hw, IXGBE_VTIVAR(entry >> 1), ivar);
1670 } /* ixv_set_ivar */
1672 /************************************************************************
1673 * ixv_configure_ivars
1674 ************************************************************************/
1676 ixv_configure_ivars(struct adapter *adapter)
1678 struct ix_rx_queue *que = adapter->rx_queues;
1680 MPASS(adapter->num_rx_queues == adapter->num_tx_queues);
1682 for (int i = 0; i < adapter->num_rx_queues; i++, que++) {
1683 /* First the RX queue entry */
1684 ixv_set_ivar(adapter, i, que->msix, 0);
1685 /* ... and the TX */
1686 ixv_set_ivar(adapter, i, que->msix, 1);
1687 /* Set an initial value in EITR */
1688 IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEITR(que->msix),
1689 IXGBE_EITR_DEFAULT);
1692 /* For the mailbox interrupt */
1693 ixv_set_ivar(adapter, 1, adapter->vector, -1);
1694 } /* ixv_configure_ivars */
1696 /************************************************************************
1699 * The VF stats registers never have a truly virgin
1700 * starting point, so this routine tries to make an
1701 * artificial one, marking ground zero on attach as
1703 ************************************************************************/
1705 ixv_save_stats(struct adapter *adapter)
1707 if (adapter->stats.vf.vfgprc || adapter->stats.vf.vfgptc) {
1708 adapter->stats.vf.saved_reset_vfgprc +=
1709 adapter->stats.vf.vfgprc - adapter->stats.vf.base_vfgprc;
1710 adapter->stats.vf.saved_reset_vfgptc +=
1711 adapter->stats.vf.vfgptc - adapter->stats.vf.base_vfgptc;
1712 adapter->stats.vf.saved_reset_vfgorc +=
1713 adapter->stats.vf.vfgorc - adapter->stats.vf.base_vfgorc;
1714 adapter->stats.vf.saved_reset_vfgotc +=
1715 adapter->stats.vf.vfgotc - adapter->stats.vf.base_vfgotc;
1716 adapter->stats.vf.saved_reset_vfmprc +=
1717 adapter->stats.vf.vfmprc - adapter->stats.vf.base_vfmprc;
1719 } /* ixv_save_stats */
1721 /************************************************************************
1723 ************************************************************************/
1725 ixv_init_stats(struct adapter *adapter)
1727 struct ixgbe_hw *hw = &adapter->hw;
1729 adapter->stats.vf.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
1730 adapter->stats.vf.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
1731 adapter->stats.vf.last_vfgorc |=
1732 (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
1734 adapter->stats.vf.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
1735 adapter->stats.vf.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
1736 adapter->stats.vf.last_vfgotc |=
1737 (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
1739 adapter->stats.vf.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
1741 adapter->stats.vf.base_vfgprc = adapter->stats.vf.last_vfgprc;
1742 adapter->stats.vf.base_vfgorc = adapter->stats.vf.last_vfgorc;
1743 adapter->stats.vf.base_vfgptc = adapter->stats.vf.last_vfgptc;
1744 adapter->stats.vf.base_vfgotc = adapter->stats.vf.last_vfgotc;
1745 adapter->stats.vf.base_vfmprc = adapter->stats.vf.last_vfmprc;
1746 } /* ixv_init_stats */
1748 #define UPDATE_STAT_32(reg, last, count) \
1750 u32 current = IXGBE_READ_REG(hw, reg); \
1751 if (current < last) \
1752 count += 0x100000000LL; \
1754 count &= 0xFFFFFFFF00000000LL; \
1758 #define UPDATE_STAT_36(lsb, msb, last, count) \
1760 u64 cur_lsb = IXGBE_READ_REG(hw, lsb); \
1761 u64 cur_msb = IXGBE_READ_REG(hw, msb); \
1762 u64 current = ((cur_msb << 32) | cur_lsb); \
1763 if (current < last) \
1764 count += 0x1000000000LL; \
1766 count &= 0xFFFFFFF000000000LL; \
1770 /************************************************************************
1771 * ixv_update_stats - Update the board statistics counters.
1772 ************************************************************************/
1774 ixv_update_stats(struct adapter *adapter)
1776 struct ixgbe_hw *hw = &adapter->hw;
1777 struct ixgbevf_hw_stats *stats = &adapter->stats.vf;
1779 UPDATE_STAT_32(IXGBE_VFGPRC, adapter->stats.vf.last_vfgprc,
1780 adapter->stats.vf.vfgprc);
1781 UPDATE_STAT_32(IXGBE_VFGPTC, adapter->stats.vf.last_vfgptc,
1782 adapter->stats.vf.vfgptc);
1783 UPDATE_STAT_36(IXGBE_VFGORC_LSB, IXGBE_VFGORC_MSB,
1784 adapter->stats.vf.last_vfgorc, adapter->stats.vf.vfgorc);
1785 UPDATE_STAT_36(IXGBE_VFGOTC_LSB, IXGBE_VFGOTC_MSB,
1786 adapter->stats.vf.last_vfgotc, adapter->stats.vf.vfgotc);
1787 UPDATE_STAT_32(IXGBE_VFMPRC, adapter->stats.vf.last_vfmprc,
1788 adapter->stats.vf.vfmprc);
1790 /* Fill out the OS statistics structure */
1791 IXGBE_SET_IPACKETS(adapter, stats->vfgprc);
1792 IXGBE_SET_OPACKETS(adapter, stats->vfgptc);
1793 IXGBE_SET_IBYTES(adapter, stats->vfgorc);
1794 IXGBE_SET_OBYTES(adapter, stats->vfgotc);
1795 IXGBE_SET_IMCASTS(adapter, stats->vfmprc);
1796 } /* ixv_update_stats */
1798 /************************************************************************
1799 * ixv_add_stats_sysctls - Add statistic sysctls for the VF.
1800 ************************************************************************/
1802 ixv_add_stats_sysctls(struct adapter *adapter)
1804 device_t dev = adapter->dev;
1805 struct ix_tx_queue *tx_que = adapter->tx_queues;
1806 struct ix_rx_queue *rx_que = adapter->rx_queues;
1807 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
1808 struct sysctl_oid *tree = device_get_sysctl_tree(dev);
1809 struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1810 struct ixgbevf_hw_stats *stats = &adapter->stats.vf;
1811 struct sysctl_oid *stat_node, *queue_node;
1812 struct sysctl_oid_list *stat_list, *queue_list;
1814 #define QUEUE_NAME_LEN 32
1815 char namebuf[QUEUE_NAME_LEN];
1817 /* Driver Statistics */
1818 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "watchdog_events",
1819 CTLFLAG_RD, &adapter->watchdog_events, "Watchdog timeouts");
1820 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "link_irq",
1821 CTLFLAG_RD, &adapter->link_irq, "Link MSI-X IRQ Handled");
1823 for (int i = 0; i < adapter->num_tx_queues; i++, tx_que++) {
1824 struct tx_ring *txr = &tx_que->txr;
1825 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i);
1826 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf,
1827 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue Name");
1828 queue_list = SYSCTL_CHILDREN(queue_node);
1830 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tso_tx",
1831 CTLFLAG_RD, &(txr->tso_tx), "TSO Packets");
1832 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_packets",
1833 CTLFLAG_RD, &(txr->total_packets), "TX Packets");
1836 for (int i = 0; i < adapter->num_rx_queues; i++, rx_que++) {
1837 struct rx_ring *rxr = &rx_que->rxr;
1838 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i);
1839 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf,
1840 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue Name");
1841 queue_list = SYSCTL_CHILDREN(queue_node);
1843 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "irqs",
1844 CTLFLAG_RD, &(rx_que->irqs), "IRQs on queue");
1845 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_packets",
1846 CTLFLAG_RD, &(rxr->rx_packets), "RX packets");
1847 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_bytes",
1848 CTLFLAG_RD, &(rxr->rx_bytes), "RX bytes");
1849 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_discarded",
1850 CTLFLAG_RD, &(rxr->rx_discarded), "Discarded RX packets");
1853 stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "mac",
1854 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
1855 "VF Statistics (read from HW registers)");
1856 stat_list = SYSCTL_CHILDREN(stat_node);
1858 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_rcvd",
1859 CTLFLAG_RD, &stats->vfgprc, "Good Packets Received");
1860 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_rcvd",
1861 CTLFLAG_RD, &stats->vfgorc, "Good Octets Received");
1862 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_rcvd",
1863 CTLFLAG_RD, &stats->vfmprc, "Multicast Packets Received");
1864 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd",
1865 CTLFLAG_RD, &stats->vfgptc, "Good Packets Transmitted");
1866 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_txd",
1867 CTLFLAG_RD, &stats->vfgotc, "Good Octets Transmitted");
1868 } /* ixv_add_stats_sysctls */
1870 /************************************************************************
1871 * ixv_print_debug_info
1873 * Called only when em_display_debug_stats is enabled.
1874 * Provides a way to take a look at important statistics
1875 * maintained by the driver and hardware.
1876 ************************************************************************/
1878 ixv_print_debug_info(struct adapter *adapter)
1880 device_t dev = adapter->dev;
1881 struct ixgbe_hw *hw = &adapter->hw;
1883 device_printf(dev, "Error Byte Count = %u \n",
1884 IXGBE_READ_REG(hw, IXGBE_ERRBC));
1886 device_printf(dev, "MBX IRQ Handled: %lu\n", (long)adapter->link_irq);
1887 } /* ixv_print_debug_info */
1889 /************************************************************************
1891 ************************************************************************/
1893 ixv_sysctl_debug(SYSCTL_HANDLER_ARGS)
1895 struct adapter *adapter;
1899 error = sysctl_handle_int(oidp, &result, 0, req);
1901 if (error || !req->newptr)
1905 adapter = (struct adapter *)arg1;
1906 ixv_print_debug_info(adapter);
1910 } /* ixv_sysctl_debug */
1912 /************************************************************************
1913 * ixv_init_device_features
1914 ************************************************************************/
1916 ixv_init_device_features(struct adapter *adapter)
1918 adapter->feat_cap = IXGBE_FEATURE_NETMAP
1920 | IXGBE_FEATURE_LEGACY_TX;
1922 /* A tad short on feature flags for VFs, atm. */
1923 switch (adapter->hw.mac.type) {
1924 case ixgbe_mac_82599_vf:
1926 case ixgbe_mac_X540_vf:
1928 case ixgbe_mac_X550_vf:
1929 case ixgbe_mac_X550EM_x_vf:
1930 case ixgbe_mac_X550EM_a_vf:
1931 adapter->feat_cap |= IXGBE_FEATURE_NEEDS_CTXD;
1932 adapter->feat_cap |= IXGBE_FEATURE_RSS;
1938 /* Enabled by default... */
1939 /* Is a virtual function (VF) */
1940 if (adapter->feat_cap & IXGBE_FEATURE_VF)
1941 adapter->feat_en |= IXGBE_FEATURE_VF;
1943 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP)
1944 adapter->feat_en |= IXGBE_FEATURE_NETMAP;
1945 /* Receive-Side Scaling (RSS) */
1946 if (adapter->feat_cap & IXGBE_FEATURE_RSS)
1947 adapter->feat_en |= IXGBE_FEATURE_RSS;
1948 /* Needs advanced context descriptor regardless of offloads req'd */
1949 if (adapter->feat_cap & IXGBE_FEATURE_NEEDS_CTXD)
1950 adapter->feat_en |= IXGBE_FEATURE_NEEDS_CTXD;
1951 } /* ixv_init_device_features */