1 /******************************************************************************
3 Copyright (c) 2013-2018, 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 ******************************************************************************/
40 #include "ixl_iw_int.h"
44 #include "ixl_pf_iov.h"
47 /*********************************************************************
49 *********************************************************************/
50 #define IXL_DRIVER_VERSION_MAJOR 2
51 #define IXL_DRIVER_VERSION_MINOR 3
52 #define IXL_DRIVER_VERSION_BUILD 2
54 #define IXL_DRIVER_VERSION_STRING \
55 __XSTRING(IXL_DRIVER_VERSION_MAJOR) "." \
56 __XSTRING(IXL_DRIVER_VERSION_MINOR) "." \
57 __XSTRING(IXL_DRIVER_VERSION_BUILD) "-k"
59 /*********************************************************************
62 * Used by probe to select devices to load on
64 * ( Vendor ID, Device ID, Branding String )
65 *********************************************************************/
67 static pci_vendor_info_t ixl_vendor_info_array[] =
69 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_XL710, "Intel(R) Ethernet Controller X710 for 10GbE SFP+"),
70 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_KX_B, "Intel(R) Ethernet Controller XL710 for 40GbE backplane"),
71 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_KX_C, "Intel(R) Ethernet Controller X710 for 10GbE backplane"),
72 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_A, "Intel(R) Ethernet Controller XL710 for 40GbE QSFP+"),
73 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_B, "Intel(R) Ethernet Controller XL710 for 40GbE QSFP+"),
74 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_C, "Intel(R) Ethernet Controller X710 for 10GbE QSFP+"),
75 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T, "Intel(R) Ethernet Controller X710 for 10GBASE-T"),
76 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T4, "Intel(R) Ethernet Controller X710/X557-AT 10GBASE-T"),
77 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_KX_X722, "Intel(R) Ethernet Connection X722 for 10GbE backplane"),
78 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_X722, "Intel(R) Ethernet Connection X722 for 10GbE QSFP+"),
79 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_X722, "Intel(R) Ethernet Connection X722 for 10GbE SFP+"),
80 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_1G_BASE_T_X722, "Intel(R) Ethernet Connection X722 for 1GbE"),
81 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T_X722, "Intel(R) Ethernet Connection X722 for 10GBASE-T"),
82 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_I_X722, "Intel(R) Ethernet Connection X722 for 10GbE SFP+"),
83 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_25G_B, "Intel(R) Ethernet Controller XXV710 for 25GbE backplane"),
84 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_25G_SFP28, "Intel(R) Ethernet Controller XXV710 for 25GbE SFP28"),
85 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T_BC, "Intel(R) Ethernet Controller X710 for 10GBASE-T"),
86 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_SFP, "Intel(R) Ethernet Controller X710 for 10GbE SFP+"),
87 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_B, "Intel(R) Ethernet Controller X710 for 10GbE backplane"),
88 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_5G_BASE_T_BC, "Intel(R) Ethernet Controller V710 for 5GBASE-T"),
89 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_1G_BASE_T_BC, "Intel(R) Ethernet Controller I710 for 1GBASE-T"),
90 /* required last entry */
94 /*********************************************************************
96 *********************************************************************/
97 /*** IFLIB interface ***/
98 static void *ixl_register(device_t dev);
99 static int ixl_if_attach_pre(if_ctx_t ctx);
100 static int ixl_if_attach_post(if_ctx_t ctx);
101 static int ixl_if_detach(if_ctx_t ctx);
102 static int ixl_if_shutdown(if_ctx_t ctx);
103 static int ixl_if_suspend(if_ctx_t ctx);
104 static int ixl_if_resume(if_ctx_t ctx);
105 static int ixl_if_msix_intr_assign(if_ctx_t ctx, int msix);
106 static void ixl_if_enable_intr(if_ctx_t ctx);
107 static void ixl_if_disable_intr(if_ctx_t ctx);
108 static int ixl_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid);
109 static int ixl_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid);
110 static int ixl_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets);
111 static int ixl_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nqs, int nqsets);
112 static void ixl_if_queues_free(if_ctx_t ctx);
113 static void ixl_if_update_admin_status(if_ctx_t ctx);
114 static void ixl_if_multi_set(if_ctx_t ctx);
115 static int ixl_if_mtu_set(if_ctx_t ctx, uint32_t mtu);
116 static void ixl_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr);
117 static int ixl_if_media_change(if_ctx_t ctx);
118 static int ixl_if_promisc_set(if_ctx_t ctx, int flags);
119 static void ixl_if_timer(if_ctx_t ctx, uint16_t qid);
120 static void ixl_if_vlan_register(if_ctx_t ctx, u16 vtag);
121 static void ixl_if_vlan_unregister(if_ctx_t ctx, u16 vtag);
122 static uint64_t ixl_if_get_counter(if_ctx_t ctx, ift_counter cnt);
123 static int ixl_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req);
124 static int ixl_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data);
125 static bool ixl_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event);
127 static void ixl_if_vflr_handle(if_ctx_t ctx);
131 static void ixl_save_pf_tunables(struct ixl_pf *);
132 static int ixl_allocate_pci_resources(struct ixl_pf *);
133 static void ixl_setup_ssctx(struct ixl_pf *pf);
134 static void ixl_admin_timer(void *arg);
136 /*********************************************************************
137 * FreeBSD Device Interface Entry Points
138 *********************************************************************/
140 static device_method_t ixl_methods[] = {
141 /* Device interface */
142 DEVMETHOD(device_register, ixl_register),
143 DEVMETHOD(device_probe, iflib_device_probe),
144 DEVMETHOD(device_attach, iflib_device_attach),
145 DEVMETHOD(device_detach, iflib_device_detach),
146 DEVMETHOD(device_shutdown, iflib_device_shutdown),
148 DEVMETHOD(pci_iov_init, iflib_device_iov_init),
149 DEVMETHOD(pci_iov_uninit, iflib_device_iov_uninit),
150 DEVMETHOD(pci_iov_add_vf, iflib_device_iov_add_vf),
155 static driver_t ixl_driver = {
156 "ixl", ixl_methods, sizeof(struct ixl_pf),
159 DRIVER_MODULE(ixl, pci, ixl_driver, 0, 0);
160 IFLIB_PNP_INFO(pci, ixl, ixl_vendor_info_array);
161 MODULE_VERSION(ixl, 3);
163 MODULE_DEPEND(ixl, pci, 1, 1, 1);
164 MODULE_DEPEND(ixl, ether, 1, 1, 1);
165 MODULE_DEPEND(ixl, iflib, 1, 1, 1);
167 static device_method_t ixl_if_methods[] = {
168 DEVMETHOD(ifdi_attach_pre, ixl_if_attach_pre),
169 DEVMETHOD(ifdi_attach_post, ixl_if_attach_post),
170 DEVMETHOD(ifdi_detach, ixl_if_detach),
171 DEVMETHOD(ifdi_shutdown, ixl_if_shutdown),
172 DEVMETHOD(ifdi_suspend, ixl_if_suspend),
173 DEVMETHOD(ifdi_resume, ixl_if_resume),
174 DEVMETHOD(ifdi_init, ixl_if_init),
175 DEVMETHOD(ifdi_stop, ixl_if_stop),
176 DEVMETHOD(ifdi_msix_intr_assign, ixl_if_msix_intr_assign),
177 DEVMETHOD(ifdi_intr_enable, ixl_if_enable_intr),
178 DEVMETHOD(ifdi_intr_disable, ixl_if_disable_intr),
179 DEVMETHOD(ifdi_rx_queue_intr_enable, ixl_if_rx_queue_intr_enable),
180 DEVMETHOD(ifdi_tx_queue_intr_enable, ixl_if_tx_queue_intr_enable),
181 DEVMETHOD(ifdi_tx_queues_alloc, ixl_if_tx_queues_alloc),
182 DEVMETHOD(ifdi_rx_queues_alloc, ixl_if_rx_queues_alloc),
183 DEVMETHOD(ifdi_queues_free, ixl_if_queues_free),
184 DEVMETHOD(ifdi_update_admin_status, ixl_if_update_admin_status),
185 DEVMETHOD(ifdi_multi_set, ixl_if_multi_set),
186 DEVMETHOD(ifdi_mtu_set, ixl_if_mtu_set),
187 DEVMETHOD(ifdi_media_status, ixl_if_media_status),
188 DEVMETHOD(ifdi_media_change, ixl_if_media_change),
189 DEVMETHOD(ifdi_promisc_set, ixl_if_promisc_set),
190 DEVMETHOD(ifdi_timer, ixl_if_timer),
191 DEVMETHOD(ifdi_vlan_register, ixl_if_vlan_register),
192 DEVMETHOD(ifdi_vlan_unregister, ixl_if_vlan_unregister),
193 DEVMETHOD(ifdi_get_counter, ixl_if_get_counter),
194 DEVMETHOD(ifdi_i2c_req, ixl_if_i2c_req),
195 DEVMETHOD(ifdi_priv_ioctl, ixl_if_priv_ioctl),
196 DEVMETHOD(ifdi_needs_restart, ixl_if_needs_restart),
198 DEVMETHOD(ifdi_iov_init, ixl_if_iov_init),
199 DEVMETHOD(ifdi_iov_uninit, ixl_if_iov_uninit),
200 DEVMETHOD(ifdi_iov_vf_add, ixl_if_iov_vf_add),
201 DEVMETHOD(ifdi_vflr_handle, ixl_if_vflr_handle),
208 static driver_t ixl_if_driver = {
209 "ixl_if", ixl_if_methods, sizeof(struct ixl_pf)
213 ** TUNEABLE PARAMETERS:
216 static SYSCTL_NODE(_hw, OID_AUTO, ixl, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
217 "ixl driver parameters");
221 * Leave this on unless you need to send flow control
222 * frames (or other control frames) from software
224 static int ixl_enable_tx_fc_filter = 1;
225 TUNABLE_INT("hw.ixl.enable_tx_fc_filter",
226 &ixl_enable_tx_fc_filter);
227 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_tx_fc_filter, CTLFLAG_RDTUN,
228 &ixl_enable_tx_fc_filter, 0,
229 "Filter out packets with Ethertype 0x8808 from being sent out by non-HW sources");
233 static int ixl_debug_recovery_mode = 0;
234 TUNABLE_INT("hw.ixl.debug_recovery_mode",
235 &ixl_debug_recovery_mode);
236 SYSCTL_INT(_hw_ixl, OID_AUTO, debug_recovery_mode, CTLFLAG_RDTUN,
237 &ixl_debug_recovery_mode, 0,
238 "Act like when FW entered recovery mode (for debugging)");
241 static int ixl_i2c_access_method = 0;
242 TUNABLE_INT("hw.ixl.i2c_access_method",
243 &ixl_i2c_access_method);
244 SYSCTL_INT(_hw_ixl, OID_AUTO, i2c_access_method, CTLFLAG_RDTUN,
245 &ixl_i2c_access_method, 0,
246 IXL_SYSCTL_HELP_I2C_METHOD);
248 static int ixl_enable_vf_loopback = 1;
249 TUNABLE_INT("hw.ixl.enable_vf_loopback",
250 &ixl_enable_vf_loopback);
251 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_vf_loopback, CTLFLAG_RDTUN,
252 &ixl_enable_vf_loopback, 0,
253 IXL_SYSCTL_HELP_VF_LOOPBACK);
256 * Different method for processing TX descriptor
259 static int ixl_enable_head_writeback = 1;
260 TUNABLE_INT("hw.ixl.enable_head_writeback",
261 &ixl_enable_head_writeback);
262 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_head_writeback, CTLFLAG_RDTUN,
263 &ixl_enable_head_writeback, 0,
264 "For detecting last completed TX descriptor by hardware, use value written by HW instead of checking descriptors");
266 static int ixl_core_debug_mask = 0;
267 TUNABLE_INT("hw.ixl.core_debug_mask",
268 &ixl_core_debug_mask);
269 SYSCTL_INT(_hw_ixl, OID_AUTO, core_debug_mask, CTLFLAG_RDTUN,
270 &ixl_core_debug_mask, 0,
271 "Display debug statements that are printed in non-shared code");
273 static int ixl_shared_debug_mask = 0;
274 TUNABLE_INT("hw.ixl.shared_debug_mask",
275 &ixl_shared_debug_mask);
276 SYSCTL_INT(_hw_ixl, OID_AUTO, shared_debug_mask, CTLFLAG_RDTUN,
277 &ixl_shared_debug_mask, 0,
278 "Display debug statements that are printed in shared code");
282 ** Controls for Interrupt Throttling
283 ** - true/false for dynamic adjustment
284 ** - default values for static ITR
286 static int ixl_dynamic_rx_itr = 0;
287 TUNABLE_INT("hw.ixl.dynamic_rx_itr", &ixl_dynamic_rx_itr);
288 SYSCTL_INT(_hw_ixl, OID_AUTO, dynamic_rx_itr, CTLFLAG_RDTUN,
289 &ixl_dynamic_rx_itr, 0, "Dynamic RX Interrupt Rate");
291 static int ixl_dynamic_tx_itr = 0;
292 TUNABLE_INT("hw.ixl.dynamic_tx_itr", &ixl_dynamic_tx_itr);
293 SYSCTL_INT(_hw_ixl, OID_AUTO, dynamic_tx_itr, CTLFLAG_RDTUN,
294 &ixl_dynamic_tx_itr, 0, "Dynamic TX Interrupt Rate");
297 static int ixl_rx_itr = IXL_ITR_8K;
298 TUNABLE_INT("hw.ixl.rx_itr", &ixl_rx_itr);
299 SYSCTL_INT(_hw_ixl, OID_AUTO, rx_itr, CTLFLAG_RDTUN,
300 &ixl_rx_itr, 0, "RX Interrupt Rate");
302 static int ixl_tx_itr = IXL_ITR_4K;
303 TUNABLE_INT("hw.ixl.tx_itr", &ixl_tx_itr);
304 SYSCTL_INT(_hw_ixl, OID_AUTO, tx_itr, CTLFLAG_RDTUN,
305 &ixl_tx_itr, 0, "TX Interrupt Rate");
307 static int ixl_flow_control = -1;
308 SYSCTL_INT(_hw_ixl, OID_AUTO, flow_control, CTLFLAG_RDTUN,
309 &ixl_flow_control, 0, "Initial Flow Control setting");
312 int ixl_enable_iwarp = 0;
313 TUNABLE_INT("hw.ixl.enable_iwarp", &ixl_enable_iwarp);
314 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_iwarp, CTLFLAG_RDTUN,
315 &ixl_enable_iwarp, 0, "iWARP enabled");
317 int ixl_limit_iwarp_msix = IXL_IW_MAX_MSIX;
318 TUNABLE_INT("hw.ixl.limit_iwarp_msix", &ixl_limit_iwarp_msix);
319 SYSCTL_INT(_hw_ixl, OID_AUTO, limit_iwarp_msix, CTLFLAG_RDTUN,
320 &ixl_limit_iwarp_msix, 0, "Limit MSI-X vectors assigned to iWARP");
323 extern struct if_txrx ixl_txrx_hwb;
324 extern struct if_txrx ixl_txrx_dwb;
326 static struct if_shared_ctx ixl_sctx_init = {
327 .isc_magic = IFLIB_MAGIC,
328 .isc_q_align = PAGE_SIZE,
329 .isc_tx_maxsize = IXL_TSO_SIZE + sizeof(struct ether_vlan_header),
330 .isc_tx_maxsegsize = IXL_MAX_DMA_SEG_SIZE,
331 .isc_tso_maxsize = IXL_TSO_SIZE + sizeof(struct ether_vlan_header),
332 .isc_tso_maxsegsize = IXL_MAX_DMA_SEG_SIZE,
333 .isc_rx_maxsize = 16384,
334 .isc_rx_nsegments = IXL_MAX_RX_SEGS,
335 .isc_rx_maxsegsize = IXL_MAX_DMA_SEG_SIZE,
340 .isc_admin_intrcnt = 1,
341 .isc_vendor_info = ixl_vendor_info_array,
342 .isc_driver_version = IXL_DRIVER_VERSION_STRING,
343 .isc_driver = &ixl_if_driver,
344 .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_NEED_ZERO_CSUM | IFLIB_TSO_INIT_IP | IFLIB_ADMIN_ALWAYS_RUN,
346 .isc_nrxd_min = {IXL_MIN_RING},
347 .isc_ntxd_min = {IXL_MIN_RING},
348 .isc_nrxd_max = {IXL_MAX_RING},
349 .isc_ntxd_max = {IXL_MAX_RING},
350 .isc_nrxd_default = {IXL_DEFAULT_RING},
351 .isc_ntxd_default = {IXL_DEFAULT_RING},
356 ixl_register(device_t dev)
358 return (&ixl_sctx_init);
362 ixl_allocate_pci_resources(struct ixl_pf *pf)
364 device_t dev = iflib_get_dev(pf->vsi.ctx);
365 struct i40e_hw *hw = &pf->hw;
370 pf->pci_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
373 if (!(pf->pci_mem)) {
374 device_printf(dev, "Unable to allocate bus resource: PCI memory\n");
378 /* Save off the PCI information */
379 hw->vendor_id = pci_get_vendor(dev);
380 hw->device_id = pci_get_device(dev);
381 hw->revision_id = pci_read_config(dev, PCIR_REVID, 1);
382 hw->subsystem_vendor_id =
383 pci_read_config(dev, PCIR_SUBVEND_0, 2);
384 hw->subsystem_device_id =
385 pci_read_config(dev, PCIR_SUBDEV_0, 2);
387 hw->bus.device = pci_get_slot(dev);
388 hw->bus.func = pci_get_function(dev);
390 /* Save off register access information */
391 pf->osdep.mem_bus_space_tag =
392 rman_get_bustag(pf->pci_mem);
393 pf->osdep.mem_bus_space_handle =
394 rman_get_bushandle(pf->pci_mem);
395 pf->osdep.mem_bus_space_size = rman_get_size(pf->pci_mem);
396 pf->osdep.flush_reg = I40E_GLGEN_STAT;
399 pf->hw.hw_addr = (u8 *) &pf->osdep.mem_bus_space_handle;
400 pf->hw.back = &pf->osdep;
406 ixl_setup_ssctx(struct ixl_pf *pf)
408 if_softc_ctx_t scctx = pf->vsi.shared;
409 struct i40e_hw *hw = &pf->hw;
411 if (IXL_PF_IN_RECOVERY_MODE(pf)) {
412 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 1;
413 scctx->isc_ntxqsets = scctx->isc_nrxqsets = 1;
414 } else if (hw->mac.type == I40E_MAC_X722)
415 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 128;
417 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 64;
419 if (pf->vsi.enable_head_writeback) {
420 scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0]
421 * sizeof(struct i40e_tx_desc) + sizeof(u32), DBA_ALIGN);
422 scctx->isc_txrx = &ixl_txrx_hwb;
424 scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0]
425 * sizeof(struct i40e_tx_desc), DBA_ALIGN);
426 scctx->isc_txrx = &ixl_txrx_dwb;
429 scctx->isc_txrx->ift_legacy_intr = ixl_intr;
430 scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0]
431 * sizeof(union i40e_32byte_rx_desc), DBA_ALIGN);
432 scctx->isc_msix_bar = PCIR_BAR(IXL_MSIX_BAR);
433 scctx->isc_tx_nsegments = IXL_MAX_TX_SEGS;
434 scctx->isc_tx_tso_segments_max = IXL_MAX_TSO_SEGS;
435 scctx->isc_tx_tso_size_max = IXL_TSO_SIZE;
436 scctx->isc_tx_tso_segsize_max = IXL_MAX_DMA_SEG_SIZE;
437 scctx->isc_rss_table_size = pf->hw.func_caps.rss_table_size;
438 scctx->isc_tx_csum_flags = CSUM_OFFLOAD;
439 scctx->isc_capabilities = scctx->isc_capenable = IXL_CAPS;
443 ixl_admin_timer(void *arg)
445 struct ixl_pf *pf = (struct ixl_pf *)arg;
447 /* Fire off the admin task */
448 iflib_admin_intr_deferred(pf->vsi.ctx);
450 /* Reschedule the admin timer */
451 callout_schedule(&pf->admin_timer, hz/2);
455 ixl_attach_pre_recovery_mode(struct ixl_pf *pf)
457 struct ixl_vsi *vsi = &pf->vsi;
458 struct i40e_hw *hw = &pf->hw;
459 device_t dev = pf->dev;
461 device_printf(dev, "Firmware recovery mode detected. Limiting functionality. Refer to Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n");
463 i40e_get_mac_addr(hw, hw->mac.addr);
465 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) {
466 ixl_configure_intr0_msix(pf);
467 ixl_enable_intr0(hw);
476 ixl_if_attach_pre(if_ctx_t ctx)
482 enum i40e_get_fw_lldp_status_resp lldp_status;
483 struct i40e_filter_control_settings filter;
484 enum i40e_status_code status;
487 dev = iflib_get_dev(ctx);
488 pf = iflib_get_softc(ctx);
490 INIT_DBG_DEV(dev, "begin");
502 vsi->media = iflib_get_media(ctx);
503 vsi->shared = iflib_get_softc_ctx(ctx);
505 snprintf(pf->admin_mtx_name, sizeof(pf->admin_mtx_name),
506 "%s:admin", device_get_nameunit(dev));
507 mtx_init(&pf->admin_mtx, pf->admin_mtx_name, NULL, MTX_DEF);
508 callout_init_mtx(&pf->admin_timer, &pf->admin_mtx, 0);
510 /* Save tunable values */
511 ixl_save_pf_tunables(pf);
513 /* Do PCI setup - map BAR0, etc */
514 if (ixl_allocate_pci_resources(pf)) {
515 device_printf(dev, "Allocation of PCI resources failed\n");
520 /* Establish a clean starting point */
522 i40e_set_mac_type(hw);
524 error = ixl_pf_reset(pf);
528 /* Initialize the shared code */
529 status = i40e_init_shared_code(hw);
531 device_printf(dev, "Unable to initialize shared code, error %s\n",
532 i40e_stat_str(hw, status));
537 /* Set up the admin queue */
538 hw->aq.num_arq_entries = IXL_AQ_LEN;
539 hw->aq.num_asq_entries = IXL_AQ_LEN;
540 hw->aq.arq_buf_size = IXL_AQ_BUF_SZ;
541 hw->aq.asq_buf_size = IXL_AQ_BUF_SZ;
543 status = i40e_init_adminq(hw);
544 if (status != 0 && status != I40E_ERR_FIRMWARE_API_VERSION) {
545 device_printf(dev, "Unable to initialize Admin Queue, error %s\n",
546 i40e_stat_str(hw, status));
550 ixl_print_nvm_version(pf);
552 if (status == I40E_ERR_FIRMWARE_API_VERSION) {
553 device_printf(dev, "The driver for the device stopped "
554 "because the NVM image is newer than expected.\n");
555 device_printf(dev, "You must install the most recent version of "
556 "the network driver.\n");
561 if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
562 hw->aq.api_min_ver > I40E_FW_MINOR_VERSION(hw)) {
563 device_printf(dev, "The driver for the device detected "
564 "a newer version of the NVM image than expected.\n");
565 device_printf(dev, "Please install the most recent version "
566 "of the network driver.\n");
567 } else if (hw->aq.api_maj_ver == 1 && hw->aq.api_min_ver < 4) {
568 device_printf(dev, "The driver for the device detected "
569 "an older version of the NVM image than expected.\n");
570 device_printf(dev, "Please update the NVM image.\n");
573 if (IXL_PF_IN_RECOVERY_MODE(pf)) {
574 error = ixl_attach_pre_recovery_mode(pf);
581 i40e_clear_pxe_mode(hw);
583 /* Get capabilities from the device */
584 error = ixl_get_hw_capabilities(pf);
586 device_printf(dev, "get_hw_capabilities failed: %d\n",
591 /* Set up host memory cache */
592 error = ixl_setup_hmc(pf);
596 /* Disable LLDP from the firmware for certain NVM versions */
597 if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 3)) ||
598 (pf->hw.aq.fw_maj_ver < 4)) {
599 i40e_aq_stop_lldp(hw, true, false, NULL);
600 pf->state |= IXL_PF_STATE_FW_LLDP_DISABLED;
603 /* Try enabling Energy Efficient Ethernet (EEE) mode */
604 if (i40e_enable_eee(hw, true) == I40E_SUCCESS)
605 atomic_set_32(&pf->state, IXL_PF_STATE_EEE_ENABLED);
607 atomic_clear_32(&pf->state, IXL_PF_STATE_EEE_ENABLED);
609 /* Get MAC addresses from hardware */
610 i40e_get_mac_addr(hw, hw->mac.addr);
611 error = i40e_validate_mac_addr(hw->mac.addr);
613 device_printf(dev, "validate_mac_addr failed: %d\n", error);
616 bcopy(hw->mac.addr, hw->mac.perm_addr, ETHER_ADDR_LEN);
617 iflib_set_mac(ctx, hw->mac.addr);
618 i40e_get_port_mac_addr(hw, hw->mac.port_addr);
620 /* Set up the device filtering */
621 bzero(&filter, sizeof(filter));
622 filter.enable_ethtype = TRUE;
623 filter.enable_macvlan = TRUE;
624 filter.enable_fdir = FALSE;
625 filter.hash_lut_size = I40E_HASH_LUT_SIZE_512;
626 if (i40e_set_filter_control(hw, &filter))
627 device_printf(dev, "i40e_set_filter_control() failed\n");
629 /* Query device FW LLDP status */
630 if (i40e_get_fw_lldp_status(hw, &lldp_status) == I40E_SUCCESS) {
631 if (lldp_status == I40E_GET_FW_LLDP_STATUS_DISABLED) {
632 atomic_set_32(&pf->state,
633 IXL_PF_STATE_FW_LLDP_DISABLED);
635 atomic_clear_32(&pf->state,
636 IXL_PF_STATE_FW_LLDP_DISABLED);
640 /* Tell FW to apply DCB config on link up */
641 i40e_aq_set_dcb_parameters(hw, true, NULL);
643 /* Fill out iflib parameters */
646 INIT_DBG_DEV(dev, "end");
650 ixl_shutdown_hmc(pf);
652 i40e_shutdown_adminq(hw);
654 ixl_free_pci_resources(pf);
656 mtx_lock(&pf->admin_mtx);
657 callout_stop(&pf->admin_timer);
658 mtx_unlock(&pf->admin_mtx);
659 mtx_destroy(&pf->admin_mtx);
664 ixl_if_attach_post(if_ctx_t ctx)
671 enum i40e_status_code status;
673 dev = iflib_get_dev(ctx);
674 pf = iflib_get_softc(ctx);
676 INIT_DBG_DEV(dev, "begin");
679 vsi->ifp = iflib_get_ifp(ctx);
682 /* Save off determined number of queues for interface */
683 vsi->num_rx_queues = vsi->shared->isc_nrxqsets;
684 vsi->num_tx_queues = vsi->shared->isc_ntxqsets;
686 /* Setup OS network interface / ifnet */
687 if (ixl_setup_interface(dev, pf)) {
688 device_printf(dev, "interface setup failed!\n");
693 if (IXL_PF_IN_RECOVERY_MODE(pf)) {
694 /* Keep admin queue interrupts active while driver is loaded */
695 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) {
696 ixl_configure_intr0_msix(pf);
697 ixl_enable_intr0(hw);
700 ixl_add_sysctls_recovery_mode(pf);
702 /* Start the admin timer */
703 mtx_lock(&pf->admin_mtx);
704 callout_reset(&pf->admin_timer, hz/2, ixl_admin_timer, pf);
705 mtx_unlock(&pf->admin_mtx);
709 /* Determine link state */
710 if (ixl_attach_get_link_status(pf)) {
715 error = ixl_switch_config(pf);
717 device_printf(dev, "Initial ixl_switch_config() failed: %d\n",
722 /* Add protocol filters to list */
723 ixl_init_filters(vsi);
725 /* Init queue allocation manager */
726 error = ixl_pf_qmgr_init(&pf->qmgr, hw->func_caps.num_tx_qp);
728 device_printf(dev, "Failed to init queue manager for PF queues, error %d\n",
732 /* reserve a contiguous allocation for the PF's VSI */
733 error = ixl_pf_qmgr_alloc_contiguous(&pf->qmgr,
734 max(vsi->num_rx_queues, vsi->num_tx_queues), &pf->qtag);
736 device_printf(dev, "Failed to reserve queues for PF LAN VSI, error %d\n",
740 device_printf(dev, "Allocating %d queues for PF LAN VSI; %d queues active\n",
741 pf->qtag.num_allocated, pf->qtag.num_active);
743 /* Limit PHY interrupts to link, autoneg, and modules failure */
744 status = i40e_aq_set_phy_int_mask(hw, IXL_DEFAULT_PHY_INT_MASK,
747 device_printf(dev, "i40e_aq_set_phy_mask() failed: err %s,"
748 " aq_err %s\n", i40e_stat_str(hw, status),
749 i40e_aq_str(hw, hw->aq.asq_last_status));
753 /* Get the bus configuration and set the shared code */
754 ixl_get_bus_info(pf);
756 /* Keep admin queue interrupts active while driver is loaded */
757 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) {
758 ixl_configure_intr0_msix(pf);
759 ixl_enable_intr0(hw);
762 /* Set initial advertised speed sysctl value */
763 ixl_set_initial_advertised_speeds(pf);
765 /* Initialize statistics & add sysctls */
766 ixl_add_device_sysctls(pf);
767 ixl_pf_reset_stats(pf);
768 ixl_update_stats_counters(pf);
769 ixl_add_hw_stats(pf);
772 * Driver may have been reloaded. Ensure that the link state
773 * is consistent with current settings.
775 ixl_set_link(pf, (pf->state & IXL_PF_STATE_LINK_ACTIVE_ON_DOWN) != 0);
777 hw->phy.get_link_info = true;
778 i40e_get_link_status(hw, &pf->link_up);
779 ixl_update_link_status(pf);
782 ixl_initialize_sriov(pf);
786 if (hw->func_caps.iwarp && ixl_enable_iwarp) {
787 pf->iw_enabled = (pf->iw_msix > 0) ? true : false;
788 if (pf->iw_enabled) {
789 error = ixl_iw_pf_attach(pf);
792 "interfacing to iWARP driver failed: %d\n",
796 device_printf(dev, "iWARP ready\n");
798 device_printf(dev, "iWARP disabled on this device "
799 "(no MSI-X vectors)\n");
801 pf->iw_enabled = false;
802 device_printf(dev, "The device is not iWARP enabled\n");
805 /* Start the admin timer */
806 mtx_lock(&pf->admin_mtx);
807 callout_reset(&pf->admin_timer, hz/2, ixl_admin_timer, pf);
808 mtx_unlock(&pf->admin_mtx);
810 INIT_DBG_DEV(dev, "end");
814 INIT_DEBUGOUT("end: error %d", error);
815 /* ixl_if_detach() is called on error from this */
820 * XXX: iflib always ignores the return value of detach()
821 * -> This means that this isn't allowed to fail
824 ixl_if_detach(if_ctx_t ctx)
826 struct ixl_pf *pf = iflib_get_softc(ctx);
827 struct ixl_vsi *vsi = &pf->vsi;
828 struct i40e_hw *hw = &pf->hw;
829 device_t dev = pf->dev;
830 enum i40e_status_code status;
835 INIT_DBG_DEV(dev, "begin");
837 /* Stop the admin timer */
838 mtx_lock(&pf->admin_mtx);
839 callout_stop(&pf->admin_timer);
840 mtx_unlock(&pf->admin_mtx);
841 mtx_destroy(&pf->admin_mtx);
844 if (ixl_enable_iwarp && pf->iw_enabled) {
845 error = ixl_iw_pf_detach(pf);
846 if (error == EBUSY) {
847 device_printf(dev, "iwarp in use; stop it first.\n");
852 /* Remove all previously allocated media types */
853 ifmedia_removeall(vsi->media);
855 /* Shutdown LAN HMC */
856 ixl_shutdown_hmc(pf);
858 /* Shutdown admin queue */
859 ixl_disable_intr0(hw);
860 status = i40e_shutdown_adminq(hw);
863 "i40e_shutdown_adminq() failed with status %s\n",
864 i40e_stat_str(hw, status));
866 ixl_pf_qmgr_destroy(&pf->qmgr);
867 ixl_free_pci_resources(pf);
868 ixl_free_filters(&vsi->ftl);
869 INIT_DBG_DEV(dev, "end");
874 ixl_if_shutdown(if_ctx_t ctx)
878 INIT_DEBUGOUT("ixl_if_shutdown: begin");
880 /* TODO: Call ixl_if_stop()? */
882 /* TODO: Then setup low power mode */
888 ixl_if_suspend(if_ctx_t ctx)
892 INIT_DEBUGOUT("ixl_if_suspend: begin");
894 /* TODO: Call ixl_if_stop()? */
896 /* TODO: Then setup low power mode */
902 ixl_if_resume(if_ctx_t ctx)
904 if_t ifp = iflib_get_ifp(ctx);
906 INIT_DEBUGOUT("ixl_if_resume: begin");
908 /* Read & clear wake-up registers */
910 /* Required after D3->D0 transition */
911 if (if_getflags(ifp) & IFF_UP)
918 ixl_if_init(if_ctx_t ctx)
920 struct ixl_pf *pf = iflib_get_softc(ctx);
921 struct ixl_vsi *vsi = &pf->vsi;
922 struct i40e_hw *hw = &pf->hw;
923 if_t ifp = iflib_get_ifp(ctx);
924 device_t dev = iflib_get_dev(ctx);
925 u8 tmpaddr[ETHER_ADDR_LEN];
928 if (IXL_PF_IN_RECOVERY_MODE(pf))
931 * If the aq is dead here, it probably means something outside of the driver
932 * did something to the adapter, like a PF reset.
933 * So, rebuild the driver's state here if that occurs.
935 if (!i40e_check_asq_alive(&pf->hw)) {
936 device_printf(dev, "Admin Queue is down; resetting...\n");
937 ixl_teardown_hw_structs(pf);
938 ixl_rebuild_hw_structs_after_reset(pf, false);
941 /* Get the latest mac address... User might use a LAA */
942 bcopy(if_getlladdr(vsi->ifp), tmpaddr, ETH_ALEN);
943 if (!ixl_ether_is_equal(hw->mac.addr, tmpaddr) &&
944 (i40e_validate_mac_addr(tmpaddr) == I40E_SUCCESS)) {
945 ixl_del_all_vlan_filters(vsi, hw->mac.addr);
946 bcopy(tmpaddr, hw->mac.addr, ETH_ALEN);
947 ret = i40e_aq_mac_address_write(hw,
948 I40E_AQC_WRITE_TYPE_LAA_ONLY,
951 device_printf(dev, "LLA address change failed!!\n");
955 * New filters are configured by ixl_reconfigure_filters
956 * at the end of ixl_init_locked.
960 iflib_set_mac(ctx, hw->mac.addr);
962 /* Prepare the VSI: rings, hmc contexts, etc... */
963 if (ixl_initialize_vsi(vsi)) {
964 device_printf(dev, "initialize vsi failed!!\n");
968 ixl_set_link(pf, true);
970 /* Reconfigure multicast filters in HW */
971 ixl_if_multi_set(ctx);
976 /* Set up MSI-X routing and the ITR settings */
977 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) {
978 ixl_configure_queue_intr_msix(pf);
979 ixl_configure_itr(pf);
981 ixl_configure_legacy(pf);
983 if (vsi->enable_head_writeback)
984 ixl_init_tx_cidx(vsi);
986 ixl_init_tx_rsqs(vsi);
988 ixl_enable_rings(vsi);
990 i40e_aq_set_default_vsi(hw, vsi->seid, NULL);
992 /* Re-add configure filters to HW */
993 ixl_reconfigure_filters(vsi);
995 /* Configure promiscuous mode */
996 ixl_if_promisc_set(ctx, if_getflags(ifp));
999 if (ixl_enable_iwarp && pf->iw_enabled) {
1000 ret = ixl_iw_pf_init(pf);
1003 "initialize iwarp failed, code %d\n", ret);
1009 ixl_if_stop(if_ctx_t ctx)
1011 struct ixl_pf *pf = iflib_get_softc(ctx);
1012 if_t ifp = iflib_get_ifp(ctx);
1013 struct ixl_vsi *vsi = &pf->vsi;
1015 INIT_DEBUGOUT("ixl_if_stop: begin\n");
1017 if (IXL_PF_IN_RECOVERY_MODE(pf))
1020 // TODO: This may need to be reworked
1022 /* Stop iWARP device */
1023 if (ixl_enable_iwarp && pf->iw_enabled)
1027 ixl_disable_rings_intr(vsi);
1028 ixl_disable_rings(pf, vsi, &pf->qtag);
1031 * Don't set link state if only reconfiguring
1032 * e.g. on MTU change.
1034 if ((if_getflags(ifp) & IFF_UP) == 0 &&
1035 (atomic_load_acq_32(&pf->state) &
1036 IXL_PF_STATE_LINK_ACTIVE_ON_DOWN) == 0)
1037 ixl_set_link(pf, false);
1041 ixl_if_msix_intr_assign(if_ctx_t ctx, int msix)
1043 struct ixl_pf *pf = iflib_get_softc(ctx);
1044 struct ixl_vsi *vsi = &pf->vsi;
1045 struct ixl_rx_queue *rx_que = vsi->rx_queues;
1046 struct ixl_tx_queue *tx_que = vsi->tx_queues;
1047 int err, i, rid, vector = 0;
1050 MPASS(vsi->shared->isc_nrxqsets > 0);
1051 MPASS(vsi->shared->isc_ntxqsets > 0);
1053 /* Admin Que must use vector 0*/
1055 err = iflib_irq_alloc_generic(ctx, &vsi->irq, rid, IFLIB_INTR_ADMIN,
1056 ixl_msix_adminq, pf, 0, "aq");
1058 iflib_irq_free(ctx, &vsi->irq);
1059 device_printf(iflib_get_dev(ctx),
1060 "Failed to register Admin Que handler");
1065 /* Create soft IRQ for handling VFLRs */
1066 iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_IOV, pf, 0, "iov");
1069 /* Now set up the stations */
1070 for (i = 0, vector = 1; i < vsi->shared->isc_nrxqsets; i++, vector++, rx_que++) {
1073 snprintf(buf, sizeof(buf), "rxq%d", i);
1074 err = iflib_irq_alloc_generic(ctx, &rx_que->que_irq, rid,
1075 IFLIB_INTR_RXTX, ixl_msix_que, rx_que, rx_que->rxr.me, buf);
1076 /* XXX: Does the driver work as expected if there are fewer num_rx_queues than
1077 * what's expected in the iflib context? */
1079 device_printf(iflib_get_dev(ctx),
1080 "Failed to allocate queue RX int vector %d, err: %d\n", i, err);
1081 vsi->num_rx_queues = i + 1;
1084 rx_que->msix = vector;
1087 bzero(buf, sizeof(buf));
1089 for (i = 0; i < vsi->shared->isc_ntxqsets; i++, tx_que++) {
1090 snprintf(buf, sizeof(buf), "txq%d", i);
1091 iflib_softirq_alloc_generic(ctx,
1092 &vsi->rx_queues[i % vsi->shared->isc_nrxqsets].que_irq,
1093 IFLIB_INTR_TX, tx_que, tx_que->txr.me, buf);
1095 /* TODO: Maybe call a strategy function for this to figure out which
1096 * interrupts to map Tx queues to. I don't know if there's an immediately
1097 * better way than this other than a user-supplied map, though. */
1098 tx_que->msix = (i % vsi->shared->isc_nrxqsets) + 1;
1103 iflib_irq_free(ctx, &vsi->irq);
1104 rx_que = vsi->rx_queues;
1105 for (int i = 0; i < vsi->num_rx_queues; i++, rx_que++)
1106 iflib_irq_free(ctx, &rx_que->que_irq);
1111 * Enable all interrupts
1114 * iflib_init_locked, after ixl_if_init()
1117 ixl_if_enable_intr(if_ctx_t ctx)
1119 struct ixl_pf *pf = iflib_get_softc(ctx);
1120 struct ixl_vsi *vsi = &pf->vsi;
1121 struct i40e_hw *hw = vsi->hw;
1122 struct ixl_rx_queue *que = vsi->rx_queues;
1124 ixl_enable_intr0(hw);
1125 /* Enable queue interrupts */
1126 for (int i = 0; i < vsi->num_rx_queues; i++, que++)
1127 /* TODO: Queue index parameter is probably wrong */
1128 ixl_enable_queue(hw, que->rxr.me);
1132 * Disable queue interrupts
1134 * Other interrupt causes need to remain active.
1137 ixl_if_disable_intr(if_ctx_t ctx)
1139 struct ixl_pf *pf = iflib_get_softc(ctx);
1140 struct ixl_vsi *vsi = &pf->vsi;
1141 struct i40e_hw *hw = vsi->hw;
1142 struct ixl_rx_queue *rx_que = vsi->rx_queues;
1144 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) {
1145 for (int i = 0; i < vsi->num_rx_queues; i++, rx_que++)
1146 ixl_disable_queue(hw, rx_que->msix - 1);
1148 // Set PFINT_LNKLST0 FIRSTQ_INDX to 0x7FF
1149 // stops queues from triggering interrupts
1150 wr32(hw, I40E_PFINT_LNKLST0, 0x7FF);
1155 ixl_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid)
1157 struct ixl_pf *pf = iflib_get_softc(ctx);
1158 struct ixl_vsi *vsi = &pf->vsi;
1159 struct i40e_hw *hw = vsi->hw;
1160 struct ixl_rx_queue *rx_que = &vsi->rx_queues[rxqid];
1162 ixl_enable_queue(hw, rx_que->msix - 1);
1167 ixl_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid)
1169 struct ixl_pf *pf = iflib_get_softc(ctx);
1170 struct ixl_vsi *vsi = &pf->vsi;
1171 struct i40e_hw *hw = vsi->hw;
1172 struct ixl_tx_queue *tx_que = &vsi->tx_queues[txqid];
1174 ixl_enable_queue(hw, tx_que->msix - 1);
1179 ixl_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets)
1181 struct ixl_pf *pf = iflib_get_softc(ctx);
1182 struct ixl_vsi *vsi = &pf->vsi;
1183 if_softc_ctx_t scctx = vsi->shared;
1184 struct ixl_tx_queue *que;
1185 int i, j, error = 0;
1187 MPASS(scctx->isc_ntxqsets > 0);
1189 MPASS(scctx->isc_ntxqsets == ntxqsets);
1191 /* Allocate queue structure memory */
1192 if (!(vsi->tx_queues =
1193 (struct ixl_tx_queue *) malloc(sizeof(struct ixl_tx_queue) *ntxqsets, M_IXL, M_NOWAIT | M_ZERO))) {
1194 device_printf(iflib_get_dev(ctx), "Unable to allocate TX ring memory\n");
1198 for (i = 0, que = vsi->tx_queues; i < ntxqsets; i++, que++) {
1199 struct tx_ring *txr = &que->txr;
1204 if (!vsi->enable_head_writeback) {
1205 /* Allocate report status array */
1206 if (!(txr->tx_rsq = malloc(sizeof(qidx_t) * scctx->isc_ntxd[0], M_IXL, M_NOWAIT))) {
1207 device_printf(iflib_get_dev(ctx), "failed to allocate tx_rsq memory\n");
1211 /* Init report status array */
1212 for (j = 0; j < scctx->isc_ntxd[0]; j++)
1213 txr->tx_rsq[j] = QIDX_INVALID;
1215 /* get the virtual and physical address of the hardware queues */
1216 txr->tail = I40E_QTX_TAIL(txr->me);
1217 txr->tx_base = (struct i40e_tx_desc *)vaddrs[i * ntxqs];
1218 txr->tx_paddr = paddrs[i * ntxqs];
1224 ixl_if_queues_free(ctx);
1229 ixl_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets)
1231 struct ixl_pf *pf = iflib_get_softc(ctx);
1232 struct ixl_vsi *vsi = &pf->vsi;
1233 struct ixl_rx_queue *que;
1237 if_softc_ctx_t scctx = vsi->shared;
1238 MPASS(scctx->isc_nrxqsets > 0);
1240 MPASS(scctx->isc_nrxqsets == nrxqsets);
1243 /* Allocate queue structure memory */
1244 if (!(vsi->rx_queues =
1245 (struct ixl_rx_queue *) malloc(sizeof(struct ixl_rx_queue) *
1246 nrxqsets, M_IXL, M_NOWAIT | M_ZERO))) {
1247 device_printf(iflib_get_dev(ctx), "Unable to allocate RX ring memory\n");
1252 for (i = 0, que = vsi->rx_queues; i < nrxqsets; i++, que++) {
1253 struct rx_ring *rxr = &que->rxr;
1258 /* get the virtual and physical address of the hardware queues */
1259 rxr->tail = I40E_QRX_TAIL(rxr->me);
1260 rxr->rx_base = (union i40e_rx_desc *)vaddrs[i * nrxqs];
1261 rxr->rx_paddr = paddrs[i * nrxqs];
1267 ixl_if_queues_free(ctx);
1272 ixl_if_queues_free(if_ctx_t ctx)
1274 struct ixl_pf *pf = iflib_get_softc(ctx);
1275 struct ixl_vsi *vsi = &pf->vsi;
1277 if (vsi->tx_queues != NULL && !vsi->enable_head_writeback) {
1278 struct ixl_tx_queue *que;
1281 for (i = 0, que = vsi->tx_queues; i < vsi->num_tx_queues; i++, que++) {
1282 struct tx_ring *txr = &que->txr;
1283 if (txr->tx_rsq != NULL) {
1284 free(txr->tx_rsq, M_IXL);
1290 if (vsi->tx_queues != NULL) {
1291 free(vsi->tx_queues, M_IXL);
1292 vsi->tx_queues = NULL;
1294 if (vsi->rx_queues != NULL) {
1295 free(vsi->rx_queues, M_IXL);
1296 vsi->rx_queues = NULL;
1299 if (!IXL_PF_IN_RECOVERY_MODE(pf))
1300 sysctl_ctx_free(&vsi->sysctl_ctx);
1304 ixl_update_link_status(struct ixl_pf *pf)
1306 struct ixl_vsi *vsi = &pf->vsi;
1307 struct i40e_hw *hw = &pf->hw;
1311 if (vsi->link_active == FALSE) {
1312 vsi->link_active = TRUE;
1313 baudrate = ixl_max_aq_speed_to_value(hw->phy.link_info.link_speed);
1314 iflib_link_state_change(vsi->ctx, LINK_STATE_UP, baudrate);
1315 ixl_link_up_msg(pf);
1317 ixl_broadcast_link_state(pf);
1320 } else { /* Link down */
1321 if (vsi->link_active == TRUE) {
1322 vsi->link_active = FALSE;
1323 iflib_link_state_change(vsi->ctx, LINK_STATE_DOWN, 0);
1325 ixl_broadcast_link_state(pf);
1332 ixl_handle_lan_overflow_event(struct ixl_pf *pf, struct i40e_arq_event_info *e)
1334 device_t dev = pf->dev;
1335 u32 rxq_idx, qtx_ctl;
1337 rxq_idx = (e->desc.params.external.param0 & I40E_PRTDCB_RUPTQ_RXQNUM_MASK) >>
1338 I40E_PRTDCB_RUPTQ_RXQNUM_SHIFT;
1339 qtx_ctl = e->desc.params.external.param1;
1341 device_printf(dev, "LAN overflow event: global rxq_idx %d\n", rxq_idx);
1342 device_printf(dev, "LAN overflow event: QTX_CTL 0x%08x\n", qtx_ctl);
1346 ixl_process_adminq(struct ixl_pf *pf, u16 *pending)
1348 enum i40e_status_code status = I40E_SUCCESS;
1349 struct i40e_arq_event_info event;
1350 struct i40e_hw *hw = &pf->hw;
1351 device_t dev = pf->dev;
1355 event.buf_len = IXL_AQ_BUF_SZ;
1356 event.msg_buf = malloc(event.buf_len, M_IXL, M_NOWAIT | M_ZERO);
1357 if (!event.msg_buf) {
1358 device_printf(dev, "%s: Unable to allocate memory for Admin"
1359 " Queue event!\n", __func__);
1363 /* clean and process any events */
1365 status = i40e_clean_arq_element(hw, &event, pending);
1368 opcode = LE16_TO_CPU(event.desc.opcode);
1369 ixl_dbg(pf, IXL_DBG_AQ,
1370 "Admin Queue event: %#06x\n", opcode);
1372 case i40e_aqc_opc_get_link_status:
1373 ixl_link_event(pf, &event);
1375 case i40e_aqc_opc_send_msg_to_pf:
1377 ixl_handle_vf_msg(pf, &event);
1381 * This should only occur on no-drop queues, which
1382 * aren't currently configured.
1384 case i40e_aqc_opc_event_lan_overflow:
1385 ixl_handle_lan_overflow_event(pf, &event);
1390 } while (*pending && (loop++ < IXL_ADM_LIMIT));
1392 free(event.msg_buf, M_IXL);
1394 /* Re-enable admin queue interrupt cause */
1395 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1396 reg |= I40E_PFINT_ICR0_ENA_ADMINQ_MASK;
1397 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1403 ixl_if_update_admin_status(if_ctx_t ctx)
1405 struct ixl_pf *pf = iflib_get_softc(ctx);
1406 struct i40e_hw *hw = &pf->hw;
1409 if (IXL_PF_IS_RESETTING(pf))
1410 ixl_handle_empr_reset(pf);
1413 * Admin Queue is shut down while handling reset.
1414 * Don't proceed if it hasn't been re-initialized
1415 * e.g due to an issue with new FW.
1417 if (!i40e_check_asq_alive(&pf->hw))
1420 if (pf->state & IXL_PF_STATE_MDD_PENDING)
1421 ixl_handle_mdd_event(pf);
1423 ixl_process_adminq(pf, &pending);
1424 ixl_update_link_status(pf);
1427 * If there are still messages to process, reschedule ourselves.
1428 * Otherwise, re-enable our interrupt and go to sleep.
1431 iflib_admin_intr_deferred(ctx);
1433 ixl_enable_intr0(hw);
1437 ixl_if_multi_set(if_ctx_t ctx)
1439 struct ixl_pf *pf = iflib_get_softc(ctx);
1440 struct ixl_vsi *vsi = &pf->vsi;
1441 struct i40e_hw *hw = vsi->hw;
1444 IOCTL_DEBUGOUT("ixl_if_multi_set: begin");
1446 /* Delete filters for removed multicast addresses */
1447 ixl_del_multi(vsi, false);
1449 mcnt = min(if_llmaddr_count(iflib_get_ifp(ctx)), MAX_MULTICAST_ADDR);
1450 if (__predict_false(mcnt == MAX_MULTICAST_ADDR)) {
1451 i40e_aq_set_vsi_multicast_promiscuous(hw,
1452 vsi->seid, TRUE, NULL);
1453 ixl_del_multi(vsi, true);
1458 IOCTL_DEBUGOUT("ixl_if_multi_set: end");
1462 ixl_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
1464 struct ixl_pf *pf = iflib_get_softc(ctx);
1465 struct ixl_vsi *vsi = &pf->vsi;
1467 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)");
1468 if (mtu > IXL_MAX_FRAME - ETHER_HDR_LEN - ETHER_CRC_LEN -
1469 ETHER_VLAN_ENCAP_LEN)
1472 vsi->shared->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN +
1473 ETHER_VLAN_ENCAP_LEN;
1479 ixl_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr)
1481 struct ixl_pf *pf = iflib_get_softc(ctx);
1482 struct i40e_hw *hw = &pf->hw;
1484 INIT_DEBUGOUT("ixl_media_status: begin");
1486 ifmr->ifm_status = IFM_AVALID;
1487 ifmr->ifm_active = IFM_ETHER;
1493 ifmr->ifm_status |= IFM_ACTIVE;
1494 /* Hardware is always full-duplex */
1495 ifmr->ifm_active |= IFM_FDX;
1497 switch (hw->phy.link_info.phy_type) {
1499 case I40E_PHY_TYPE_100BASE_TX:
1500 ifmr->ifm_active |= IFM_100_TX;
1503 case I40E_PHY_TYPE_1000BASE_T:
1504 ifmr->ifm_active |= IFM_1000_T;
1506 case I40E_PHY_TYPE_1000BASE_SX:
1507 ifmr->ifm_active |= IFM_1000_SX;
1509 case I40E_PHY_TYPE_1000BASE_LX:
1510 ifmr->ifm_active |= IFM_1000_LX;
1512 case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
1513 ifmr->ifm_active |= IFM_1000_T;
1516 case I40E_PHY_TYPE_2_5GBASE_T_LINK_STATUS:
1517 ifmr->ifm_active |= IFM_2500_T;
1520 case I40E_PHY_TYPE_5GBASE_T_LINK_STATUS:
1521 ifmr->ifm_active |= IFM_5000_T;
1524 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
1525 ifmr->ifm_active |= IFM_10G_TWINAX;
1527 case I40E_PHY_TYPE_10GBASE_SR:
1528 ifmr->ifm_active |= IFM_10G_SR;
1530 case I40E_PHY_TYPE_10GBASE_LR:
1531 ifmr->ifm_active |= IFM_10G_LR;
1533 case I40E_PHY_TYPE_10GBASE_T:
1534 ifmr->ifm_active |= IFM_10G_T;
1536 case I40E_PHY_TYPE_XAUI:
1537 case I40E_PHY_TYPE_XFI:
1538 ifmr->ifm_active |= IFM_10G_TWINAX;
1540 case I40E_PHY_TYPE_10GBASE_AOC:
1541 ifmr->ifm_active |= IFM_10G_AOC;
1544 case I40E_PHY_TYPE_25GBASE_KR:
1545 ifmr->ifm_active |= IFM_25G_KR;
1547 case I40E_PHY_TYPE_25GBASE_CR:
1548 ifmr->ifm_active |= IFM_25G_CR;
1550 case I40E_PHY_TYPE_25GBASE_SR:
1551 ifmr->ifm_active |= IFM_25G_SR;
1553 case I40E_PHY_TYPE_25GBASE_LR:
1554 ifmr->ifm_active |= IFM_25G_LR;
1556 case I40E_PHY_TYPE_25GBASE_AOC:
1557 ifmr->ifm_active |= IFM_25G_AOC;
1559 case I40E_PHY_TYPE_25GBASE_ACC:
1560 ifmr->ifm_active |= IFM_25G_ACC;
1563 case I40E_PHY_TYPE_40GBASE_CR4:
1564 case I40E_PHY_TYPE_40GBASE_CR4_CU:
1565 ifmr->ifm_active |= IFM_40G_CR4;
1567 case I40E_PHY_TYPE_40GBASE_SR4:
1568 ifmr->ifm_active |= IFM_40G_SR4;
1570 case I40E_PHY_TYPE_40GBASE_LR4:
1571 ifmr->ifm_active |= IFM_40G_LR4;
1573 case I40E_PHY_TYPE_XLAUI:
1574 ifmr->ifm_active |= IFM_OTHER;
1576 case I40E_PHY_TYPE_1000BASE_KX:
1577 ifmr->ifm_active |= IFM_1000_KX;
1579 case I40E_PHY_TYPE_SGMII:
1580 ifmr->ifm_active |= IFM_1000_SGMII;
1582 /* ERJ: What's the difference between these? */
1583 case I40E_PHY_TYPE_10GBASE_CR1_CU:
1584 case I40E_PHY_TYPE_10GBASE_CR1:
1585 ifmr->ifm_active |= IFM_10G_CR1;
1587 case I40E_PHY_TYPE_10GBASE_KX4:
1588 ifmr->ifm_active |= IFM_10G_KX4;
1590 case I40E_PHY_TYPE_10GBASE_KR:
1591 ifmr->ifm_active |= IFM_10G_KR;
1593 case I40E_PHY_TYPE_SFI:
1594 ifmr->ifm_active |= IFM_10G_SFI;
1596 /* Our single 20G media type */
1597 case I40E_PHY_TYPE_20GBASE_KR2:
1598 ifmr->ifm_active |= IFM_20G_KR2;
1600 case I40E_PHY_TYPE_40GBASE_KR4:
1601 ifmr->ifm_active |= IFM_40G_KR4;
1603 case I40E_PHY_TYPE_XLPPI:
1604 case I40E_PHY_TYPE_40GBASE_AOC:
1605 ifmr->ifm_active |= IFM_40G_XLPPI;
1607 /* Unknown to driver */
1609 ifmr->ifm_active |= IFM_UNKNOWN;
1612 /* Report flow control status as well */
1613 if (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_TX)
1614 ifmr->ifm_active |= IFM_ETH_TXPAUSE;
1615 if (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_RX)
1616 ifmr->ifm_active |= IFM_ETH_RXPAUSE;
1620 ixl_if_media_change(if_ctx_t ctx)
1622 struct ifmedia *ifm = iflib_get_media(ctx);
1624 INIT_DEBUGOUT("ixl_media_change: begin");
1626 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1629 if_printf(iflib_get_ifp(ctx), "Media change is not supported.\n");
1634 ixl_if_promisc_set(if_ctx_t ctx, int flags)
1636 struct ixl_pf *pf = iflib_get_softc(ctx);
1637 struct ixl_vsi *vsi = &pf->vsi;
1638 if_t ifp = iflib_get_ifp(ctx);
1639 struct i40e_hw *hw = vsi->hw;
1641 bool uni = FALSE, multi = FALSE;
1643 if (flags & IFF_PROMISC)
1645 else if (flags & IFF_ALLMULTI || if_llmaddr_count(ifp) >=
1649 err = i40e_aq_set_vsi_unicast_promiscuous(hw,
1650 vsi->seid, uni, NULL, true);
1653 err = i40e_aq_set_vsi_multicast_promiscuous(hw,
1654 vsi->seid, multi, NULL);
1659 ixl_if_timer(if_ctx_t ctx, uint16_t qid)
1661 struct ixl_pf *pf = iflib_get_softc(ctx);
1666 ixl_update_stats_counters(pf);
1670 ixl_if_vlan_register(if_ctx_t ctx, u16 vtag)
1672 struct ixl_pf *pf = iflib_get_softc(ctx);
1673 struct ixl_vsi *vsi = &pf->vsi;
1674 struct i40e_hw *hw = vsi->hw;
1675 if_t ifp = iflib_get_ifp(ctx);
1677 if ((vtag == 0) || (vtag > 4095)) /* Invalid */
1681 * Keep track of registered VLANS to know what
1682 * filters have to be configured when VLAN_HWFILTER
1683 * capability is enabled.
1686 bit_set(vsi->vlans_map, vtag);
1688 if ((if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER) == 0)
1691 if (vsi->num_vlans < IXL_MAX_VLAN_FILTERS)
1692 ixl_add_filter(vsi, hw->mac.addr, vtag);
1693 else if (vsi->num_vlans == IXL_MAX_VLAN_FILTERS) {
1695 * There is not enough HW resources to add filters
1696 * for all registered VLANs. Re-configure filtering
1697 * to allow reception of all expected traffic.
1699 device_printf(vsi->dev,
1700 "Not enough HW filters for all VLANs. VLAN HW filtering disabled");
1701 ixl_del_all_vlan_filters(vsi, hw->mac.addr);
1702 ixl_add_filter(vsi, hw->mac.addr, IXL_VLAN_ANY);
1707 ixl_if_vlan_unregister(if_ctx_t ctx, u16 vtag)
1709 struct ixl_pf *pf = iflib_get_softc(ctx);
1710 struct ixl_vsi *vsi = &pf->vsi;
1711 struct i40e_hw *hw = vsi->hw;
1712 if_t ifp = iflib_get_ifp(ctx);
1714 if ((vtag == 0) || (vtag > 4095)) /* Invalid */
1718 bit_clear(vsi->vlans_map, vtag);
1720 if ((if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER) == 0)
1723 if (vsi->num_vlans < IXL_MAX_VLAN_FILTERS)
1724 ixl_del_filter(vsi, hw->mac.addr, vtag);
1725 else if (vsi->num_vlans == IXL_MAX_VLAN_FILTERS) {
1726 ixl_del_filter(vsi, hw->mac.addr, IXL_VLAN_ANY);
1727 ixl_add_vlan_filters(vsi, hw->mac.addr);
1732 ixl_if_get_counter(if_ctx_t ctx, ift_counter cnt)
1734 struct ixl_pf *pf = iflib_get_softc(ctx);
1735 struct ixl_vsi *vsi = &pf->vsi;
1736 if_t ifp = iflib_get_ifp(ctx);
1739 case IFCOUNTER_IPACKETS:
1740 return (vsi->ipackets);
1741 case IFCOUNTER_IERRORS:
1742 return (vsi->ierrors);
1743 case IFCOUNTER_OPACKETS:
1744 return (vsi->opackets);
1745 case IFCOUNTER_OERRORS:
1746 return (vsi->oerrors);
1747 case IFCOUNTER_COLLISIONS:
1748 /* Collisions are by standard impossible in 40G/10G Ethernet */
1750 case IFCOUNTER_IBYTES:
1751 return (vsi->ibytes);
1752 case IFCOUNTER_OBYTES:
1753 return (vsi->obytes);
1754 case IFCOUNTER_IMCASTS:
1755 return (vsi->imcasts);
1756 case IFCOUNTER_OMCASTS:
1757 return (vsi->omcasts);
1758 case IFCOUNTER_IQDROPS:
1759 return (vsi->iqdrops);
1760 case IFCOUNTER_OQDROPS:
1761 return (vsi->oqdrops);
1762 case IFCOUNTER_NOPROTO:
1763 return (vsi->noproto);
1765 return (if_get_counter_default(ifp, cnt));
1771 ixl_if_vflr_handle(if_ctx_t ctx)
1773 struct ixl_pf *pf = iflib_get_softc(ctx);
1775 ixl_handle_vflr(pf);
1780 ixl_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req)
1782 struct ixl_pf *pf = iflib_get_softc(ctx);
1784 if (pf->read_i2c_byte == NULL)
1787 for (int i = 0; i < req->len; i++)
1788 if (pf->read_i2c_byte(pf, req->offset + i,
1789 req->dev_addr, &req->data[i]))
1795 ixl_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data)
1797 struct ixl_pf *pf = iflib_get_softc(ctx);
1798 struct ifdrv *ifd = (struct ifdrv *)data;
1802 * The iflib_if_ioctl forwards SIOCxDRVSPEC and SIOGPRIVATE_0 without
1803 * performing privilege checks. It is important that this function
1804 * perform the necessary checks for commands which should only be
1805 * executed by privileged threads.
1811 /* NVM update command */
1812 if (ifd->ifd_cmd == I40E_NVM_ACCESS) {
1813 error = priv_check(curthread, PRIV_DRIVER);
1816 error = ixl_handle_nvmupd_cmd(pf, ifd);
1828 /* ixl_if_needs_restart - Tell iflib when the driver needs to be reinitialized
1829 * @ctx: iflib context
1830 * @event: event code to check
1832 * Defaults to returning false for every event.
1834 * @returns true if iflib needs to reinit the interface, false otherwise
1837 ixl_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
1840 case IFLIB_RESTART_VLAN_CONFIG:
1847 * Sanity check and save off tunable values.
1850 ixl_save_pf_tunables(struct ixl_pf *pf)
1852 device_t dev = pf->dev;
1854 /* Save tunable information */
1856 pf->enable_tx_fc_filter = ixl_enable_tx_fc_filter;
1859 pf->recovery_mode = ixl_debug_recovery_mode;
1861 pf->dbg_mask = ixl_core_debug_mask;
1862 pf->hw.debug_mask = ixl_shared_debug_mask;
1863 pf->vsi.enable_head_writeback = !!(ixl_enable_head_writeback);
1864 pf->enable_vf_loopback = !!(ixl_enable_vf_loopback);
1866 pf->dynamic_rx_itr = ixl_dynamic_rx_itr;
1867 pf->dynamic_tx_itr = ixl_dynamic_tx_itr;
1870 if (ixl_i2c_access_method > 3 || ixl_i2c_access_method < 0)
1871 pf->i2c_access_method = 0;
1873 pf->i2c_access_method = ixl_i2c_access_method;
1875 if (ixl_tx_itr < 0 || ixl_tx_itr > IXL_MAX_ITR) {
1876 device_printf(dev, "Invalid tx_itr value of %d set!\n",
1878 device_printf(dev, "tx_itr must be between %d and %d, "
1881 device_printf(dev, "Using default value of %d instead\n",
1883 pf->tx_itr = IXL_ITR_4K;
1885 pf->tx_itr = ixl_tx_itr;
1887 if (ixl_rx_itr < 0 || ixl_rx_itr > IXL_MAX_ITR) {
1888 device_printf(dev, "Invalid rx_itr value of %d set!\n",
1890 device_printf(dev, "rx_itr must be between %d and %d, "
1893 device_printf(dev, "Using default value of %d instead\n",
1895 pf->rx_itr = IXL_ITR_8K;
1897 pf->rx_itr = ixl_rx_itr;
1900 if (ixl_flow_control != -1) {
1901 if (ixl_flow_control < 0 || ixl_flow_control > 3) {
1903 "Invalid flow_control value of %d set!\n",
1906 "flow_control must be between %d and %d, "
1907 "inclusive\n", 0, 3);
1909 "Using default configuration instead\n");
1911 pf->fc = ixl_flow_control;