2 * Copyright (C) 2013 Emulex
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the Emulex Corporation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
31 * Contact Information:
32 * freebsd-drivers@emulex.com
36 * Costa Mesa, CA 92626
44 static int oce_POST(POCE_SOFTC sc);
47 * @brief Function to post status
48 * @param sc software handle to the device
51 oce_POST(POCE_SOFTC sc)
53 mpu_ep_semaphore_t post_status;
56 /* read semaphore CSR */
57 post_status.dw0 = OCE_READ_CSR_MPU(sc, csr, MPU_EP_SEMAPHORE(sc));
59 /* if host is ready then wait for fw ready else send POST */
60 if (post_status.bits.stage <= POST_STAGE_AWAITING_HOST_RDY) {
61 post_status.bits.stage = POST_STAGE_CHIP_RESET;
62 OCE_WRITE_CSR_MPU(sc, csr, MPU_EP_SEMAPHORE(sc), post_status.dw0);
65 /* wait for FW ready */
72 post_status.dw0 = OCE_READ_CSR_MPU(sc, csr, MPU_EP_SEMAPHORE(sc));
73 if (post_status.bits.error) {
74 device_printf(sc->dev,
75 "POST failed: %x\n", post_status.dw0);
78 if (post_status.bits.stage == POST_STAGE_ARMFW_READY)
82 device_printf(sc->dev, "POST timed out: %x\n", post_status.dw0);
88 * @brief Function for hardware initialization
89 * @param sc software handle to the device
92 oce_hw_init(POCE_SOFTC sc)
100 /* create the bootstrap mailbox */
101 rc = oce_dma_alloc(sc, sizeof(struct oce_bmbx), &sc->bsmbx, 0);
103 device_printf(sc->dev, "Mailbox alloc failed\n");
107 rc = oce_reset_fun(sc);
112 rc = oce_mbox_init(sc);
117 rc = oce_get_fw_version(sc);
122 rc = oce_get_fw_config(sc);
127 sc->macaddr.size_of_struct = 6;
128 rc = oce_read_mac_addr(sc, 0, 1, MAC_ADDRESS_TYPE_NETWORK,
133 if ((IS_BE(sc) && (sc->flags & OCE_FLAGS_BE3)) || IS_SH(sc)) {
134 rc = oce_mbox_check_native_mode(sc);
143 oce_dma_free(sc, &sc->bsmbx);
144 device_printf(sc->dev, "Hardware initialisation failed\n");
151 * @brief Releases the obtained pci resources
152 * @param sc software handle to the device
155 oce_hw_pci_free(POCE_SOFTC sc)
157 int pci_cfg_barnum = 0;
159 if (IS_BE(sc) && (sc->flags & OCE_FLAGS_BE2))
160 pci_cfg_barnum = OCE_DEV_BE2_CFG_BAR;
162 pci_cfg_barnum = OCE_DEV_CFG_BAR;
164 if (sc->devcfg_res != NULL) {
165 bus_release_resource(sc->dev,
167 PCIR_BAR(pci_cfg_barnum), sc->devcfg_res);
168 sc->devcfg_res = (struct resource *)NULL;
169 sc->devcfg_btag = (bus_space_tag_t) 0;
170 sc->devcfg_bhandle = (bus_space_handle_t)0;
171 sc->devcfg_vhandle = (void *)NULL;
174 if (sc->csr_res != NULL) {
175 bus_release_resource(sc->dev,
177 PCIR_BAR(OCE_PCI_CSR_BAR), sc->csr_res);
178 sc->csr_res = (struct resource *)NULL;
179 sc->csr_btag = (bus_space_tag_t)0;
180 sc->csr_bhandle = (bus_space_handle_t)0;
181 sc->csr_vhandle = (void *)NULL;
184 if (sc->db_res != NULL) {
185 bus_release_resource(sc->dev,
187 PCIR_BAR(OCE_PCI_DB_BAR), sc->db_res);
188 sc->db_res = (struct resource *)NULL;
189 sc->db_btag = (bus_space_tag_t)0;
190 sc->db_bhandle = (bus_space_handle_t)0;
191 sc->db_vhandle = (void *)NULL;
199 * @brief Function to get the PCI capabilities
200 * @param sc software handle to the device
203 void oce_get_pci_capabilities(POCE_SOFTC sc)
207 #if __FreeBSD_version >= 1000000
208 #define pci_find_extcap pci_find_cap
211 if (pci_find_extcap(sc->dev, PCIY_PCIX, &val) == 0) {
213 sc->flags |= OCE_FLAGS_PCIX;
216 if (pci_find_extcap(sc->dev, PCIY_EXPRESS, &val) == 0) {
218 uint16_t link_status =
219 pci_read_config(sc->dev, val + 0x12, 2);
221 sc->flags |= OCE_FLAGS_PCIE;
222 sc->pcie_link_speed = link_status & 0xf;
223 sc->pcie_link_width = (link_status >> 4) & 0x3f;
227 if (pci_find_extcap(sc->dev, PCIY_MSI, &val) == 0) {
229 sc->flags |= OCE_FLAGS_MSI_CAPABLE;
232 if (pci_find_extcap(sc->dev, PCIY_MSIX, &val) == 0) {
234 val = pci_msix_count(sc->dev);
235 sc->flags |= OCE_FLAGS_MSIX_CAPABLE;
241 * @brief Allocate PCI resources.
243 * @param sc software handle to the device
244 * @returns 0 if successful, or error
247 oce_hw_pci_alloc(POCE_SOFTC sc)
249 int rr, pci_cfg_barnum = 0;
252 pci_enable_busmaster(sc->dev);
254 oce_get_pci_capabilities(sc);
256 sc->fn = pci_get_function(sc->dev);
258 /* setup the device config region */
259 if (IS_BE(sc) && (sc->flags & OCE_FLAGS_BE2))
260 pci_cfg_barnum = OCE_DEV_BE2_CFG_BAR;
262 pci_cfg_barnum = OCE_DEV_CFG_BAR;
264 rr = PCIR_BAR(pci_cfg_barnum);
266 if (IS_BE(sc) || IS_SH(sc))
267 sc->devcfg_res = bus_alloc_resource_any(sc->dev,
269 RF_ACTIVE|RF_SHAREABLE);
271 sc->devcfg_res = bus_alloc_resource(sc->dev,
274 RF_ACTIVE|RF_SHAREABLE);
279 sc->devcfg_btag = rman_get_bustag(sc->devcfg_res);
280 sc->devcfg_bhandle = rman_get_bushandle(sc->devcfg_res);
281 sc->devcfg_vhandle = rman_get_virtual(sc->devcfg_res);
283 /* Read the SLI_INTF register and determine whether we
284 * can use this port and its features
286 intf.dw0 = pci_read_config((sc)->dev,OCE_INTF_REG_OFFSET,4);
288 if (intf.bits.sli_valid != OCE_INTF_VALID_SIG)
291 if (intf.bits.sli_rev != OCE_INTF_SLI_REV4) {
292 device_printf(sc->dev, "Adapter doesnt support SLI4\n");
296 if (intf.bits.sli_if_type == OCE_INTF_IF_TYPE_1)
297 sc->flags |= OCE_FLAGS_MBOX_ENDIAN_RQD;
299 if (intf.bits.sli_hint1 == OCE_INTF_FUNC_RESET_REQD)
300 sc->flags |= OCE_FLAGS_FUNCRESET_RQD;
302 if (intf.bits.sli_func_type == OCE_INTF_VIRT_FUNC)
303 sc->flags |= OCE_FLAGS_VIRTUAL_PORT;
305 /* Lancer has one BAR (CFG) but BE3 has three (CFG, CSR, DB) */
306 if (IS_BE(sc) || IS_SH(sc)) {
307 /* set up CSR region */
308 rr = PCIR_BAR(OCE_PCI_CSR_BAR);
309 sc->csr_res = bus_alloc_resource_any(sc->dev,
310 SYS_RES_MEMORY, &rr, RF_ACTIVE|RF_SHAREABLE);
313 sc->csr_btag = rman_get_bustag(sc->csr_res);
314 sc->csr_bhandle = rman_get_bushandle(sc->csr_res);
315 sc->csr_vhandle = rman_get_virtual(sc->csr_res);
317 /* set up DB doorbell region */
318 rr = PCIR_BAR(OCE_PCI_DB_BAR);
319 sc->db_res = bus_alloc_resource_any(sc->dev,
320 SYS_RES_MEMORY, &rr, RF_ACTIVE|RF_SHAREABLE);
323 sc->db_btag = rman_get_bustag(sc->db_res);
324 sc->db_bhandle = rman_get_bushandle(sc->db_res);
325 sc->db_vhandle = rman_get_virtual(sc->db_res);
337 * @brief Function for device shutdown
338 * @param sc software handle to the device
339 * @returns 0 on success, error otherwise
342 oce_hw_shutdown(POCE_SOFTC sc)
346 /* disable hardware interrupts */
347 oce_hw_intr_disable(sc);
348 #if defined(INET6) || defined(INET)
349 /* Free LRO resources */
353 oce_queue_release_all(sc);
354 /*Delete Network Interface*/
355 oce_delete_nw_interface(sc);
356 /* After fw clean we dont send any cmds to fw.*/
358 /* release intr resources */
360 /* release PCI resources */
362 /* free mbox specific resources */
363 LOCK_DESTROY(&sc->bmbx_lock);
364 LOCK_DESTROY(&sc->dev_lock);
366 oce_dma_free(sc, &sc->bsmbx);
371 * @brief Function for creating nw interface.
372 * @param sc software handle to the device
373 * @returns 0 on success, error otherwise
376 oce_create_nw_interface(POCE_SOFTC sc)
379 uint32_t capab_flags;
380 uint32_t capab_en_flags;
382 /* interface capabilities to give device when creating interface */
383 capab_flags = OCE_CAPAB_FLAGS;
385 /* capabilities to enable by default (others set dynamically) */
386 capab_en_flags = OCE_CAPAB_ENABLE;
389 /* LANCER A0 workaround */
390 capab_en_flags &= ~MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR;
391 capab_flags &= ~MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR;
394 if (IS_SH(sc) || IS_XE201(sc))
395 capab_flags |= MBX_RX_IFACE_FLAGS_MULTICAST;
397 /* enable capabilities controlled via driver startup parameters */
398 if (is_rss_enabled(sc))
399 capab_en_flags |= MBX_RX_IFACE_FLAGS_RSS;
401 capab_en_flags &= ~MBX_RX_IFACE_FLAGS_RSS;
402 capab_flags &= ~MBX_RX_IFACE_FLAGS_RSS;
405 rc = oce_if_create(sc,
408 0, &sc->macaddr.mac_addr[0], &sc->if_id);
412 atomic_inc_32(&sc->nifs);
414 sc->if_cap_flags = capab_en_flags;
416 /* set default flow control */
417 rc = oce_set_flow_control(sc, sc->flow_control);
421 rc = oce_rxf_set_promiscuous(sc, sc->promisc);
428 oce_delete_nw_interface(sc);
434 * @brief Function to delete a nw interface.
435 * @param sc software handle to the device
438 oce_delete_nw_interface(POCE_SOFTC sc)
440 /* currently only single interface is implmeneted */
442 oce_if_del(sc, sc->if_id);
443 atomic_dec_32(&sc->nifs);
449 * @param sc software handle to the device
450 * @returns 0 on success, error otherwise
453 oce_pci_soft_reset(POCE_SOFTC sc)
456 mpu_ep_control_t ctrl;
458 ctrl.dw0 = OCE_READ_CSR_MPU(sc, csr, MPU_EP_CONTROL);
459 ctrl.bits.cpu_reset = 1;
460 OCE_WRITE_CSR_MPU(sc, csr, MPU_EP_CONTROL, ctrl.dw0);
468 * @brief Function for hardware start
469 * @param sc software handle to the device
470 * @returns 0 on success, error otherwise
473 oce_hw_start(POCE_SOFTC sc)
475 struct link_status link = { 0 };
478 rc = oce_get_link_status(sc, &link);
482 if (link.logical_link_status == NTWK_LOGICAL_LINK_UP) {
483 sc->link_status = NTWK_LOGICAL_LINK_UP;
484 if_link_state_change(sc->ifp, LINK_STATE_UP);
486 sc->link_status = NTWK_LOGICAL_LINK_DOWN;
487 if_link_state_change(sc->ifp, LINK_STATE_DOWN);
490 if (link.mac_speed > 0 && link.mac_speed < 5)
491 sc->link_speed = link.mac_speed;
495 sc->qos_link_speed = (uint32_t )link.qos_link_speed * 10;
497 rc = oce_start_mq(sc->mq);
499 /* we need to get MCC aync events. So enable intrs and arm
500 first EQ, Other EQs will be armed after interface is UP
502 oce_hw_intr_enable(sc);
503 oce_arm_eq(sc, sc->eq[0]->eq_id, 0, TRUE, FALSE);
505 /* Send first mcc cmd and after that we get gracious
506 MCC notifications from FW
508 oce_first_mcc_cmd(sc);
515 * @brief Function for hardware enable interupts.
516 * @param sc software handle to the device
519 oce_hw_intr_enable(POCE_SOFTC sc)
523 reg = OCE_READ_REG32(sc, devcfg, PCICFG_INTR_CTRL);
524 reg |= HOSTINTR_MASK;
525 OCE_WRITE_REG32(sc, devcfg, PCICFG_INTR_CTRL, reg);
531 * @brief Function for hardware disable interupts
532 * @param sc software handle to the device
535 oce_hw_intr_disable(POCE_SOFTC sc)
539 reg = OCE_READ_REG32(sc, devcfg, PCICFG_INTR_CTRL);
540 reg &= ~HOSTINTR_MASK;
541 OCE_WRITE_REG32(sc, devcfg, PCICFG_INTR_CTRL, reg);
547 * @brief Function for hardware update multicast filter
548 * @param sc software handle to the device
551 oce_hw_update_multicast(POCE_SOFTC sc)
553 struct ifnet *ifp = sc->ifp;
554 struct ifmultiaddr *ifma;
555 struct mbx_set_common_iface_multicast *req = NULL;
559 /* Allocate DMA mem*/
560 if (oce_dma_alloc(sc, sizeof(struct mbx_set_common_iface_multicast),
564 req = OCE_DMAPTR(&dma, struct mbx_set_common_iface_multicast);
565 bzero(req, sizeof(struct mbx_set_common_iface_multicast));
567 #if __FreeBSD_version > 800000
570 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
571 if (ifma->ifma_addr->sa_family != AF_LINK)
574 if (req->params.req.num_mac == OCE_MAX_MC_FILTER_SIZE) {
575 /*More multicast addresses than our hardware table
576 So Enable multicast promiscus in our hardware to
577 accept all multicat packets
579 req->params.req.promiscuous = 1;
582 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
583 &req->params.req.mac[req->params.req.num_mac],
585 req->params.req.num_mac = req->params.req.num_mac + 1;
587 #if __FreeBSD_version > 800000
588 if_maddr_runlock(ifp);
590 req->params.req.if_id = sc->if_id;
591 rc = oce_update_multicast(sc, &dma);
592 oce_dma_free(sc, &dma);