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
41 #include "opt_inet6.h"
46 /* UE Status Low CSR */
47 static char *ue_status_low_desc[] = {
82 /* UE Status High CSR */
83 static char *ue_status_hi_desc[] = {
119 /* Driver entry points prototypes */
120 static int oce_probe(device_t dev);
121 static int oce_attach(device_t dev);
122 static int oce_detach(device_t dev);
123 static int oce_shutdown(device_t dev);
124 static int oce_ioctl(struct ifnet *ifp, u_long command, caddr_t data);
125 static void oce_init(void *xsc);
126 static int oce_multiq_start(struct ifnet *ifp, struct mbuf *m);
127 static void oce_multiq_flush(struct ifnet *ifp);
129 /* Driver interrupt routines protypes */
130 static void oce_intr(void *arg, int pending);
131 static int oce_setup_intr(POCE_SOFTC sc);
132 static int oce_fast_isr(void *arg);
133 static int oce_alloc_intr(POCE_SOFTC sc, int vector,
134 void (*isr) (void *arg, int pending));
136 /* Media callbacks prototypes */
137 static void oce_media_status(struct ifnet *ifp, struct ifmediareq *req);
138 static int oce_media_change(struct ifnet *ifp);
140 /* Transmit routines prototypes */
141 static int oce_tx(POCE_SOFTC sc, struct mbuf **mpp, int wq_index);
142 static void oce_tx_restart(POCE_SOFTC sc, struct oce_wq *wq);
143 static void oce_tx_complete(struct oce_wq *wq, uint32_t wqe_idx,
145 static int oce_multiq_transmit(struct ifnet *ifp, struct mbuf *m,
148 /* Receive routines prototypes */
149 static void oce_discard_rx_comp(struct oce_rq *rq, struct oce_nic_rx_cqe *cqe);
150 static int oce_cqe_vtp_valid(POCE_SOFTC sc, struct oce_nic_rx_cqe *cqe);
151 static int oce_cqe_portid_valid(POCE_SOFTC sc, struct oce_nic_rx_cqe *cqe);
152 static void oce_rx(struct oce_rq *rq, uint32_t rqe_idx,
153 struct oce_nic_rx_cqe *cqe);
155 /* Helper function prototypes in this file */
156 static int oce_attach_ifp(POCE_SOFTC sc);
157 static void oce_add_vlan(void *arg, struct ifnet *ifp, uint16_t vtag);
158 static void oce_del_vlan(void *arg, struct ifnet *ifp, uint16_t vtag);
159 static int oce_vid_config(POCE_SOFTC sc);
160 static void oce_mac_addr_set(POCE_SOFTC sc);
161 static int oce_handle_passthrough(struct ifnet *ifp, caddr_t data);
162 static void oce_local_timer(void *arg);
163 static void oce_if_deactivate(POCE_SOFTC sc);
164 static void oce_if_activate(POCE_SOFTC sc);
165 static void setup_max_queues_want(POCE_SOFTC sc);
166 static void update_queues_got(POCE_SOFTC sc);
167 static void process_link_state(POCE_SOFTC sc,
168 struct oce_async_cqe_link_state *acqe);
169 static int oce_tx_asic_stall_verify(POCE_SOFTC sc, struct mbuf *m);
170 static void oce_get_config(POCE_SOFTC sc);
171 static struct mbuf *oce_insert_vlan_tag(POCE_SOFTC sc, struct mbuf *m, boolean_t *complete);
174 #if defined(INET6) || defined(INET)
175 static int oce_init_lro(POCE_SOFTC sc);
176 static void oce_rx_flush_lro(struct oce_rq *rq);
177 static struct mbuf * oce_tso_setup(POCE_SOFTC sc, struct mbuf **mpp);
180 static device_method_t oce_dispatch[] = {
181 DEVMETHOD(device_probe, oce_probe),
182 DEVMETHOD(device_attach, oce_attach),
183 DEVMETHOD(device_detach, oce_detach),
184 DEVMETHOD(device_shutdown, oce_shutdown),
188 static driver_t oce_driver = {
193 static devclass_t oce_devclass;
196 DRIVER_MODULE(oce, pci, oce_driver, oce_devclass, 0, 0);
197 MODULE_DEPEND(oce, pci, 1, 1, 1);
198 MODULE_DEPEND(oce, ether, 1, 1, 1);
199 MODULE_VERSION(oce, 1);
203 const char component_revision[32] = {"///" COMPONENT_REVISION "///"};
205 /* Module capabilites and parameters */
206 uint32_t oce_max_rsp_handled = OCE_MAX_RSP_HANDLED;
207 uint32_t oce_enable_rss = OCE_MODCAP_RSS;
210 TUNABLE_INT("hw.oce.max_rsp_handled", &oce_max_rsp_handled);
211 TUNABLE_INT("hw.oce.enable_rss", &oce_enable_rss);
214 /* Supported devices table */
215 static uint32_t supportedDevices[] = {
216 (PCI_VENDOR_SERVERENGINES << 16) | PCI_PRODUCT_BE2,
217 (PCI_VENDOR_SERVERENGINES << 16) | PCI_PRODUCT_BE3,
218 (PCI_VENDOR_EMULEX << 16) | PCI_PRODUCT_BE3,
219 (PCI_VENDOR_EMULEX << 16) | PCI_PRODUCT_XE201,
220 (PCI_VENDOR_EMULEX << 16) | PCI_PRODUCT_XE201_VF,
221 (PCI_VENDOR_EMULEX << 16) | PCI_PRODUCT_SH
227 /*****************************************************************************
228 * Driver entry points functions *
229 *****************************************************************************/
232 oce_probe(device_t dev)
240 sc = device_get_softc(dev);
241 bzero(sc, sizeof(OCE_SOFTC));
244 vendor = pci_get_vendor(dev);
245 device = pci_get_device(dev);
247 for (i = 0; i < (sizeof(supportedDevices) / sizeof(uint32_t)); i++) {
248 if (vendor == ((supportedDevices[i] >> 16) & 0xffff)) {
249 if (device == (supportedDevices[i] & 0xffff)) {
250 sprintf(str, "%s:%s", "Emulex CNA NIC function",
252 device_set_desc_copy(dev, str);
255 case PCI_PRODUCT_BE2:
256 sc->flags |= OCE_FLAGS_BE2;
258 case PCI_PRODUCT_BE3:
259 sc->flags |= OCE_FLAGS_BE3;
261 case PCI_PRODUCT_XE201:
262 case PCI_PRODUCT_XE201_VF:
263 sc->flags |= OCE_FLAGS_XE201;
266 sc->flags |= OCE_FLAGS_SH;
271 return BUS_PROBE_DEFAULT;
281 oce_attach(device_t dev)
286 sc = device_get_softc(dev);
288 rc = oce_hw_pci_alloc(sc);
292 sc->tx_ring_size = OCE_TX_RING_SIZE;
293 sc->rx_ring_size = OCE_RX_RING_SIZE;
294 sc->rq_frag_size = OCE_RQ_BUF_SIZE;
295 sc->flow_control = OCE_DEFAULT_FLOW_CONTROL;
296 sc->promisc = OCE_DEFAULT_PROMISCUOUS;
298 LOCK_CREATE(&sc->bmbx_lock, "Mailbox_lock");
299 LOCK_CREATE(&sc->dev_lock, "Device_lock");
301 /* initialise the hardware */
302 rc = oce_hw_init(sc);
308 setup_max_queues_want(sc);
310 rc = oce_setup_intr(sc);
314 rc = oce_queue_init_all(sc);
318 rc = oce_attach_ifp(sc);
322 #if defined(INET6) || defined(INET)
323 rc = oce_init_lro(sc);
328 rc = oce_hw_start(sc);
332 sc->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
333 oce_add_vlan, sc, EVENTHANDLER_PRI_FIRST);
334 sc->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
335 oce_del_vlan, sc, EVENTHANDLER_PRI_FIRST);
337 rc = oce_stats_init(sc);
343 callout_init(&sc->timer, CALLOUT_MPSAFE);
344 rc = callout_reset(&sc->timer, 2 * hz, oce_local_timer, sc);
351 callout_drain(&sc->timer);
355 EVENTHANDLER_DEREGISTER(vlan_config, sc->vlan_attach);
357 EVENTHANDLER_DEREGISTER(vlan_unconfig, sc->vlan_detach);
358 oce_hw_intr_disable(sc);
360 #if defined(INET6) || defined(INET)
364 ether_ifdetach(sc->ifp);
367 oce_queue_release_all(sc);
371 oce_dma_free(sc, &sc->bsmbx);
374 LOCK_DESTROY(&sc->dev_lock);
375 LOCK_DESTROY(&sc->bmbx_lock);
382 oce_detach(device_t dev)
384 POCE_SOFTC sc = device_get_softc(dev);
387 oce_if_deactivate(sc);
388 UNLOCK(&sc->dev_lock);
390 callout_drain(&sc->timer);
392 if (sc->vlan_attach != NULL)
393 EVENTHANDLER_DEREGISTER(vlan_config, sc->vlan_attach);
394 if (sc->vlan_detach != NULL)
395 EVENTHANDLER_DEREGISTER(vlan_unconfig, sc->vlan_detach);
397 ether_ifdetach(sc->ifp);
403 bus_generic_detach(dev);
410 oce_shutdown(device_t dev)
414 rc = oce_detach(dev);
421 oce_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
423 struct ifreq *ifr = (struct ifreq *)data;
424 POCE_SOFTC sc = ifp->if_softc;
431 rc = ifmedia_ioctl(ifp, ifr, &sc->media, command);
435 if (ifr->ifr_mtu > OCE_MAX_MTU)
438 ifp->if_mtu = ifr->ifr_mtu;
442 if (ifp->if_flags & IFF_UP) {
443 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
444 sc->ifp->if_drv_flags |= IFF_DRV_RUNNING;
447 device_printf(sc->dev, "Interface Up\n");
451 sc->ifp->if_drv_flags &=
452 ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
453 oce_if_deactivate(sc);
455 UNLOCK(&sc->dev_lock);
457 device_printf(sc->dev, "Interface Down\n");
460 if ((ifp->if_flags & IFF_PROMISC) && !sc->promisc) {
461 if (!oce_rxf_set_promiscuous(sc, (1 | (1 << 1))))
463 } else if (!(ifp->if_flags & IFF_PROMISC) && sc->promisc) {
464 if (!oce_rxf_set_promiscuous(sc, 0))
472 rc = oce_hw_update_multicast(sc);
474 device_printf(sc->dev,
475 "Update multicast address failed\n");
479 u = ifr->ifr_reqcap ^ ifp->if_capenable;
481 if (u & IFCAP_TXCSUM) {
482 ifp->if_capenable ^= IFCAP_TXCSUM;
483 ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
485 if (IFCAP_TSO & ifp->if_capenable &&
486 !(IFCAP_TXCSUM & ifp->if_capenable)) {
487 ifp->if_capenable &= ~IFCAP_TSO;
488 ifp->if_hwassist &= ~CSUM_TSO;
490 "TSO disabled due to -txcsum.\n");
494 if (u & IFCAP_RXCSUM)
495 ifp->if_capenable ^= IFCAP_RXCSUM;
497 if (u & IFCAP_TSO4) {
498 ifp->if_capenable ^= IFCAP_TSO4;
500 if (IFCAP_TSO & ifp->if_capenable) {
501 if (IFCAP_TXCSUM & ifp->if_capenable)
502 ifp->if_hwassist |= CSUM_TSO;
504 ifp->if_capenable &= ~IFCAP_TSO;
505 ifp->if_hwassist &= ~CSUM_TSO;
507 "Enable txcsum first.\n");
511 ifp->if_hwassist &= ~CSUM_TSO;
514 if (u & IFCAP_VLAN_HWTAGGING)
515 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
517 if (u & IFCAP_VLAN_HWFILTER) {
518 ifp->if_capenable ^= IFCAP_VLAN_HWFILTER;
521 #if defined(INET6) || defined(INET)
523 ifp->if_capenable ^= IFCAP_LRO;
529 rc = oce_handle_passthrough(ifp, data);
532 rc = ether_ioctl(ifp, command, data);
547 if (sc->ifp->if_flags & IFF_UP) {
548 oce_if_deactivate(sc);
552 UNLOCK(&sc->dev_lock);
558 oce_multiq_start(struct ifnet *ifp, struct mbuf *m)
560 POCE_SOFTC sc = ifp->if_softc;
561 struct oce_wq *wq = NULL;
565 if (!sc->link_status)
568 if ((m->m_flags & M_FLOWID) != 0)
569 queue_index = m->m_pkthdr.flowid % sc->nwqs;
571 wq = sc->wq[queue_index];
574 status = oce_multiq_transmit(ifp, m, wq);
575 UNLOCK(&wq->tx_lock);
583 oce_multiq_flush(struct ifnet *ifp)
585 POCE_SOFTC sc = ifp->if_softc;
589 for (i = 0; i < sc->nwqs; i++) {
590 while ((m = buf_ring_dequeue_sc(sc->wq[i]->br)) != NULL)
598 /*****************************************************************************
599 * Driver interrupt routines functions *
600 *****************************************************************************/
603 oce_intr(void *arg, int pending)
606 POCE_INTR_INFO ii = (POCE_INTR_INFO) arg;
607 POCE_SOFTC sc = ii->sc;
608 struct oce_eq *eq = ii->eq;
610 struct oce_cq *cq = NULL;
614 bus_dmamap_sync(eq->ring->dma.tag, eq->ring->dma.map,
615 BUS_DMASYNC_POSTWRITE);
617 eqe = RING_GET_CONSUMER_ITEM_VA(eq->ring, struct oce_eqe);
621 bus_dmamap_sync(eq->ring->dma.tag, eq->ring->dma.map,
622 BUS_DMASYNC_POSTWRITE);
623 RING_GET(eq->ring, 1);
629 goto eq_arm; /* Spurious */
631 /* Clear EQ entries, but dont arm */
632 oce_arm_eq(sc, eq->eq_id, num_eqes, FALSE, FALSE);
634 /* Process TX, RX and MCC. But dont arm CQ*/
635 for (i = 0; i < eq->cq_valid; i++) {
637 (*cq->cq_handler)(cq->cb_arg);
640 /* Arm all cqs connected to this EQ */
641 for (i = 0; i < eq->cq_valid; i++) {
643 oce_arm_cq(sc, cq->cq_id, 0, TRUE);
647 oce_arm_eq(sc, eq->eq_id, 0, TRUE, FALSE);
654 oce_setup_intr(POCE_SOFTC sc)
656 int rc = 0, use_intx = 0;
657 int vector = 0, req_vectors = 0;
659 if (is_rss_enabled(sc))
660 req_vectors = MAX((sc->nrqs - 1), sc->nwqs);
664 if (sc->flags & OCE_FLAGS_MSIX_CAPABLE) {
665 sc->intr_count = req_vectors;
666 rc = pci_alloc_msix(sc->dev, &sc->intr_count);
669 pci_release_msi(sc->dev);
671 sc->flags |= OCE_FLAGS_USING_MSIX;
678 /* Scale number of queues based on intr we got */
679 update_queues_got(sc);
682 device_printf(sc->dev, "Using legacy interrupt\n");
683 rc = oce_alloc_intr(sc, vector, oce_intr);
687 for (; vector < sc->intr_count; vector++) {
688 rc = oce_alloc_intr(sc, vector, oce_intr);
702 oce_fast_isr(void *arg)
704 POCE_INTR_INFO ii = (POCE_INTR_INFO) arg;
705 POCE_SOFTC sc = ii->sc;
710 oce_arm_eq(sc, ii->eq->eq_id, 0, FALSE, TRUE);
712 taskqueue_enqueue_fast(ii->tq, &ii->task);
716 return FILTER_HANDLED;
721 oce_alloc_intr(POCE_SOFTC sc, int vector, void (*isr) (void *arg, int pending))
723 POCE_INTR_INFO ii = &sc->intrs[vector];
726 if (vector >= OCE_MAX_EQ)
729 /* Set the resource id for the interrupt.
730 * MSIx is vector + 1 for the resource id,
731 * INTx is 0 for the resource id.
733 if (sc->flags & OCE_FLAGS_USING_MSIX)
737 ii->intr_res = bus_alloc_resource_any(sc->dev,
739 &rr, RF_ACTIVE|RF_SHAREABLE);
741 if (ii->intr_res == NULL) {
742 device_printf(sc->dev,
743 "Could not allocate interrupt\n");
748 TASK_INIT(&ii->task, 0, isr, ii);
750 sprintf(ii->task_name, "oce_task[%d]", ii->vector);
751 ii->tq = taskqueue_create_fast(ii->task_name,
753 taskqueue_thread_enqueue,
755 taskqueue_start_threads(&ii->tq, 1, PI_NET, "%s taskq",
756 device_get_nameunit(sc->dev));
759 rc = bus_setup_intr(sc->dev,
762 oce_fast_isr, NULL, ii, &ii->tag);
769 oce_intr_free(POCE_SOFTC sc)
773 for (i = 0; i < sc->intr_count; i++) {
775 if (sc->intrs[i].tag != NULL)
776 bus_teardown_intr(sc->dev, sc->intrs[i].intr_res,
778 if (sc->intrs[i].tq != NULL)
779 taskqueue_free(sc->intrs[i].tq);
781 if (sc->intrs[i].intr_res != NULL)
782 bus_release_resource(sc->dev, SYS_RES_IRQ,
784 sc->intrs[i].intr_res);
785 sc->intrs[i].tag = NULL;
786 sc->intrs[i].intr_res = NULL;
789 if (sc->flags & OCE_FLAGS_USING_MSIX)
790 pci_release_msi(sc->dev);
796 /******************************************************************************
797 * Media callbacks functions *
798 ******************************************************************************/
801 oce_media_status(struct ifnet *ifp, struct ifmediareq *req)
803 POCE_SOFTC sc = (POCE_SOFTC) ifp->if_softc;
806 req->ifm_status = IFM_AVALID;
807 req->ifm_active = IFM_ETHER;
809 if (sc->link_status == 1)
810 req->ifm_status |= IFM_ACTIVE;
814 switch (sc->link_speed) {
815 case 1: /* 10 Mbps */
816 req->ifm_active |= IFM_10_T | IFM_FDX;
819 case 2: /* 100 Mbps */
820 req->ifm_active |= IFM_100_TX | IFM_FDX;
824 req->ifm_active |= IFM_1000_T | IFM_FDX;
827 case 4: /* 10 Gbps */
828 req->ifm_active |= IFM_10G_SR | IFM_FDX;
831 case 5: /* 20 Gbps */
832 req->ifm_active |= IFM_10G_SR | IFM_FDX;
835 case 6: /* 25 Gbps */
836 req->ifm_active |= IFM_10G_SR | IFM_FDX;
839 case 7: /* 40 Gbps */
840 req->ifm_active |= IFM_40G_SR4 | IFM_FDX;
853 oce_media_change(struct ifnet *ifp)
861 /*****************************************************************************
862 * Transmit routines functions *
863 *****************************************************************************/
866 oce_tx(POCE_SOFTC sc, struct mbuf **mpp, int wq_index)
868 int rc = 0, i, retry_cnt = 0;
869 bus_dma_segment_t segs[OCE_MAX_TX_ELEMENTS];
870 struct mbuf *m, *m_temp;
871 struct oce_wq *wq = sc->wq[wq_index];
872 struct oce_packet_desc *pd;
873 struct oce_nic_hdr_wqe *nichdr;
874 struct oce_nic_frag_wqe *nicfrag;
877 boolean_t complete = TRUE;
883 if (!(m->m_flags & M_PKTHDR)) {
888 if(oce_tx_asic_stall_verify(sc, m)) {
889 m = oce_insert_vlan_tag(sc, m, &complete);
891 device_printf(sc->dev, "Insertion unsuccessful\n");
897 if (m->m_pkthdr.csum_flags & CSUM_TSO) {
898 /* consolidate packet buffers for TSO/LSO segment offload */
899 #if defined(INET6) || defined(INET)
900 m = oce_tso_setup(sc, mpp);
910 pd = &wq->pckts[wq->pkt_desc_head];
912 rc = bus_dmamap_load_mbuf_sg(wq->tag,
914 m, segs, &pd->nsegs, BUS_DMA_NOWAIT);
916 num_wqes = pd->nsegs + 1;
917 if (IS_BE(sc) || IS_SH(sc)) {
918 /*Dummy required only for BE3.*/
922 if (num_wqes >= RING_NUM_FREE(wq->ring)) {
923 bus_dmamap_unload(wq->tag, pd->map);
926 atomic_store_rel_int(&wq->pkt_desc_head,
927 (wq->pkt_desc_head + 1) % \
928 OCE_WQ_PACKET_ARRAY_SIZE);
929 bus_dmamap_sync(wq->tag, pd->map, BUS_DMASYNC_PREWRITE);
933 RING_GET_PRODUCER_ITEM_VA(wq->ring, struct oce_nic_hdr_wqe);
934 nichdr->u0.dw[0] = 0;
935 nichdr->u0.dw[1] = 0;
936 nichdr->u0.dw[2] = 0;
937 nichdr->u0.dw[3] = 0;
939 nichdr->u0.s.complete = complete;
940 nichdr->u0.s.event = 1;
941 nichdr->u0.s.crc = 1;
942 nichdr->u0.s.forward = 0;
943 nichdr->u0.s.ipcs = (m->m_pkthdr.csum_flags & CSUM_IP) ? 1 : 0;
945 (m->m_pkthdr.csum_flags & CSUM_UDP) ? 1 : 0;
947 (m->m_pkthdr.csum_flags & CSUM_TCP) ? 1 : 0;
948 nichdr->u0.s.num_wqe = num_wqes;
949 nichdr->u0.s.total_length = m->m_pkthdr.len;
951 if (m->m_flags & M_VLANTAG) {
952 nichdr->u0.s.vlan = 1; /*Vlan present*/
953 nichdr->u0.s.vlan_tag = m->m_pkthdr.ether_vtag;
956 if (m->m_pkthdr.csum_flags & CSUM_TSO) {
957 if (m->m_pkthdr.tso_segsz) {
958 nichdr->u0.s.lso = 1;
959 nichdr->u0.s.lso_mss = m->m_pkthdr.tso_segsz;
961 if (!IS_BE(sc) || !IS_SH(sc))
962 nichdr->u0.s.ipcs = 1;
965 RING_PUT(wq->ring, 1);
966 atomic_add_int(&wq->ring->num_used, 1);
968 for (i = 0; i < pd->nsegs; i++) {
970 RING_GET_PRODUCER_ITEM_VA(wq->ring,
971 struct oce_nic_frag_wqe);
972 nicfrag->u0.s.rsvd0 = 0;
973 nicfrag->u0.s.frag_pa_hi = ADDR_HI(segs[i].ds_addr);
974 nicfrag->u0.s.frag_pa_lo = ADDR_LO(segs[i].ds_addr);
975 nicfrag->u0.s.frag_len = segs[i].ds_len;
976 pd->wqe_idx = wq->ring->pidx;
977 RING_PUT(wq->ring, 1);
978 atomic_add_int(&wq->ring->num_used, 1);
980 if (num_wqes > (pd->nsegs + 1)) {
982 RING_GET_PRODUCER_ITEM_VA(wq->ring,
983 struct oce_nic_frag_wqe);
984 nicfrag->u0.dw[0] = 0;
985 nicfrag->u0.dw[1] = 0;
986 nicfrag->u0.dw[2] = 0;
987 nicfrag->u0.dw[3] = 0;
988 pd->wqe_idx = wq->ring->pidx;
989 RING_PUT(wq->ring, 1);
990 atomic_add_int(&wq->ring->num_used, 1);
994 sc->ifp->if_opackets++;
995 wq->tx_stats.tx_reqs++;
996 wq->tx_stats.tx_wrbs += num_wqes;
997 wq->tx_stats.tx_bytes += m->m_pkthdr.len;
998 wq->tx_stats.tx_pkts++;
1000 bus_dmamap_sync(wq->ring->dma.tag, wq->ring->dma.map,
1001 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1002 reg_value = (num_wqes << 16) | wq->wq_id;
1003 OCE_WRITE_REG32(sc, db, wq->db_offset, reg_value);
1005 } else if (rc == EFBIG) {
1006 if (retry_cnt == 0) {
1007 m_temp = m_defrag(m, M_NOWAIT);
1012 retry_cnt = retry_cnt + 1;
1016 } else if (rc == ENOMEM)
1031 oce_tx_complete(struct oce_wq *wq, uint32_t wqe_idx, uint32_t status)
1033 struct oce_packet_desc *pd;
1034 POCE_SOFTC sc = (POCE_SOFTC) wq->parent;
1037 pd = &wq->pckts[wq->pkt_desc_tail];
1038 atomic_store_rel_int(&wq->pkt_desc_tail,
1039 (wq->pkt_desc_tail + 1) % OCE_WQ_PACKET_ARRAY_SIZE);
1040 atomic_subtract_int(&wq->ring->num_used, pd->nsegs + 1);
1041 bus_dmamap_sync(wq->tag, pd->map, BUS_DMASYNC_POSTWRITE);
1042 bus_dmamap_unload(wq->tag, pd->map);
1049 if (sc->ifp->if_drv_flags & IFF_DRV_OACTIVE) {
1050 if (wq->ring->num_used < (wq->ring->num_items / 2)) {
1051 sc->ifp->if_drv_flags &= ~(IFF_DRV_OACTIVE);
1052 oce_tx_restart(sc, wq);
1059 oce_tx_restart(POCE_SOFTC sc, struct oce_wq *wq)
1062 if ((sc->ifp->if_drv_flags & IFF_DRV_RUNNING) != IFF_DRV_RUNNING)
1065 #if __FreeBSD_version >= 800000
1066 if (!drbr_empty(sc->ifp, wq->br))
1068 if (!IFQ_DRV_IS_EMPTY(&sc->ifp->if_snd))
1070 taskqueue_enqueue_fast(taskqueue_swi, &wq->txtask);
1075 #if defined(INET6) || defined(INET)
1076 static struct mbuf *
1077 oce_tso_setup(POCE_SOFTC sc, struct mbuf **mpp)
1084 struct ip6_hdr *ip6;
1086 struct ether_vlan_header *eh;
1089 int total_len = 0, ehdrlen = 0;
1093 if (M_WRITABLE(m) == 0) {
1094 m = m_dup(*mpp, M_NOWAIT);
1101 eh = mtod(m, struct ether_vlan_header *);
1102 if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) {
1103 etype = ntohs(eh->evl_proto);
1104 ehdrlen = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
1106 etype = ntohs(eh->evl_encap_proto);
1107 ehdrlen = ETHER_HDR_LEN;
1113 ip = (struct ip *)(m->m_data + ehdrlen);
1114 if (ip->ip_p != IPPROTO_TCP)
1116 th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2));
1118 total_len = ehdrlen + (ip->ip_hl << 2) + (th->th_off << 2);
1122 case ETHERTYPE_IPV6:
1123 ip6 = (struct ip6_hdr *)(m->m_data + ehdrlen);
1124 if (ip6->ip6_nxt != IPPROTO_TCP)
1126 th = (struct tcphdr *)((caddr_t)ip6 + sizeof(struct ip6_hdr));
1128 total_len = ehdrlen + sizeof(struct ip6_hdr) + (th->th_off << 2);
1135 m = m_pullup(m, total_len);
1142 #endif /* INET6 || INET */
1145 oce_tx_task(void *arg, int npending)
1147 struct oce_wq *wq = arg;
1148 POCE_SOFTC sc = wq->parent;
1149 struct ifnet *ifp = sc->ifp;
1152 #if __FreeBSD_version >= 800000
1154 rc = oce_multiq_transmit(ifp, NULL, wq);
1156 device_printf(sc->dev,
1157 "TX[%d] restart failed\n", wq->queue_index);
1159 UNLOCK(&wq->tx_lock);
1168 oce_start(struct ifnet *ifp)
1170 POCE_SOFTC sc = ifp->if_softc;
1173 int def_q = 0; /* Defualt tx queue is 0*/
1175 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
1179 if (!sc->link_status)
1183 IF_DEQUEUE(&sc->ifp->if_snd, m);
1187 LOCK(&sc->wq[def_q]->tx_lock);
1188 rc = oce_tx(sc, &m, def_q);
1189 UNLOCK(&sc->wq[def_q]->tx_lock);
1192 sc->wq[def_q]->tx_stats.tx_stops ++;
1193 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1194 IFQ_DRV_PREPEND(&ifp->if_snd, m);
1200 ETHER_BPF_MTAP(ifp, m);
1208 /* Handle the Completion Queue for transmit */
1210 oce_wq_handler(void *arg)
1212 struct oce_wq *wq = (struct oce_wq *)arg;
1213 POCE_SOFTC sc = wq->parent;
1214 struct oce_cq *cq = wq->cq;
1215 struct oce_nic_tx_cqe *cqe;
1218 bus_dmamap_sync(cq->ring->dma.tag,
1219 cq->ring->dma.map, BUS_DMASYNC_POSTWRITE);
1220 cqe = RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_nic_tx_cqe);
1221 while (cqe->u0.dw[3]) {
1222 DW_SWAP((uint32_t *) cqe, sizeof(oce_wq_cqe));
1224 wq->ring->cidx = cqe->u0.s.wqe_index + 1;
1225 if (wq->ring->cidx >= wq->ring->num_items)
1226 wq->ring->cidx -= wq->ring->num_items;
1228 oce_tx_complete(wq, cqe->u0.s.wqe_index, cqe->u0.s.status);
1229 wq->tx_stats.tx_compl++;
1231 RING_GET(cq->ring, 1);
1232 bus_dmamap_sync(cq->ring->dma.tag,
1233 cq->ring->dma.map, BUS_DMASYNC_POSTWRITE);
1235 RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_nic_tx_cqe);
1240 oce_arm_cq(sc, cq->cq_id, num_cqes, FALSE);
1247 oce_multiq_transmit(struct ifnet *ifp, struct mbuf *m, struct oce_wq *wq)
1249 POCE_SOFTC sc = ifp->if_softc;
1250 int status = 0, queue_index = 0;
1251 struct mbuf *next = NULL;
1252 struct buf_ring *br = NULL;
1255 queue_index = wq->queue_index;
1257 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
1260 status = drbr_enqueue(ifp, br, m);
1265 if ((status = drbr_enqueue(ifp, br, m)) != 0)
1268 while ((next = drbr_peek(ifp, br)) != NULL) {
1269 if (oce_tx(sc, &next, queue_index)) {
1271 drbr_advance(ifp, br);
1273 drbr_putback(ifp, br, next);
1274 wq->tx_stats.tx_stops ++;
1275 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1276 status = drbr_enqueue(ifp, br, next);
1280 drbr_advance(ifp, br);
1281 ifp->if_obytes += next->m_pkthdr.len;
1282 if (next->m_flags & M_MCAST)
1284 ETHER_BPF_MTAP(ifp, next);
1293 /*****************************************************************************
1294 * Receive routines functions *
1295 *****************************************************************************/
1298 oce_rx(struct oce_rq *rq, uint32_t rqe_idx, struct oce_nic_rx_cqe *cqe)
1301 struct oce_packet_desc *pd;
1302 POCE_SOFTC sc = (POCE_SOFTC) rq->parent;
1303 int i, len, frag_len;
1304 struct mbuf *m = NULL, *tail = NULL;
1307 len = cqe->u0.s.pkt_size;
1309 /*partial DMA workaround for Lancer*/
1310 oce_discard_rx_comp(rq, cqe);
1314 /* Get vlan_tag value */
1315 if(IS_BE(sc) || IS_SH(sc))
1316 vtag = BSWAP_16(cqe->u0.s.vlan_tag);
1318 vtag = cqe->u0.s.vlan_tag;
1321 for (i = 0; i < cqe->u0.s.num_fragments; i++) {
1323 if (rq->packets_out == rq->packets_in) {
1324 device_printf(sc->dev,
1325 "RQ transmit descriptor missing\n");
1327 out = rq->packets_out + 1;
1328 if (out == OCE_RQ_PACKET_ARRAY_SIZE)
1330 pd = &rq->pckts[rq->packets_out];
1331 rq->packets_out = out;
1333 bus_dmamap_sync(rq->tag, pd->map, BUS_DMASYNC_POSTWRITE);
1334 bus_dmamap_unload(rq->tag, pd->map);
1337 frag_len = (len > rq->cfg.frag_size) ? rq->cfg.frag_size : len;
1338 pd->mbuf->m_len = frag_len;
1341 /* additional fragments */
1342 pd->mbuf->m_flags &= ~M_PKTHDR;
1343 tail->m_next = pd->mbuf;
1346 /* first fragment, fill out much of the packet header */
1347 pd->mbuf->m_pkthdr.len = len;
1348 pd->mbuf->m_pkthdr.csum_flags = 0;
1349 if (IF_CSUM_ENABLED(sc)) {
1350 if (cqe->u0.s.l4_cksum_pass) {
1351 pd->mbuf->m_pkthdr.csum_flags |=
1352 (CSUM_DATA_VALID | CSUM_PSEUDO_HDR);
1353 pd->mbuf->m_pkthdr.csum_data = 0xffff;
1355 if (cqe->u0.s.ip_cksum_pass) {
1356 if (!cqe->u0.s.ip_ver) { /* IPV4 */
1357 pd->mbuf->m_pkthdr.csum_flags |=
1358 (CSUM_IP_CHECKED|CSUM_IP_VALID);
1362 m = tail = pd->mbuf;
1369 if (!oce_cqe_portid_valid(sc, cqe)) {
1374 m->m_pkthdr.rcvif = sc->ifp;
1375 #if __FreeBSD_version >= 800000
1376 if (rq->queue_index)
1377 m->m_pkthdr.flowid = (rq->queue_index - 1);
1379 m->m_pkthdr.flowid = rq->queue_index;
1380 m->m_flags |= M_FLOWID;
1382 /* This deternies if vlan tag is Valid */
1383 if (oce_cqe_vtp_valid(sc, cqe)) {
1384 if (sc->function_mode & FNM_FLEX10_MODE) {
1385 /* FLEX10. If QnQ is not set, neglect VLAN */
1386 if (cqe->u0.s.qnq) {
1387 m->m_pkthdr.ether_vtag = vtag;
1388 m->m_flags |= M_VLANTAG;
1390 } else if (sc->pvid != (vtag & VLAN_VID_MASK)) {
1391 /* In UMC mode generally pvid will be striped by
1392 hw. But in some cases we have seen it comes
1393 with pvid. So if pvid == vlan, neglect vlan.
1395 m->m_pkthdr.ether_vtag = vtag;
1396 m->m_flags |= M_VLANTAG;
1400 sc->ifp->if_ipackets++;
1401 #if defined(INET6) || defined(INET)
1402 /* Try to queue to LRO */
1403 if (IF_LRO_ENABLED(sc) &&
1404 (cqe->u0.s.ip_cksum_pass) &&
1405 (cqe->u0.s.l4_cksum_pass) &&
1406 (!cqe->u0.s.ip_ver) &&
1407 (rq->lro.lro_cnt != 0)) {
1409 if (tcp_lro_rx(&rq->lro, m, 0) == 0) {
1410 rq->lro_pkts_queued ++;
1413 /* If LRO posting fails then try to post to STACK */
1417 (*sc->ifp->if_input) (sc->ifp, m);
1418 #if defined(INET6) || defined(INET)
1421 /* Update rx stats per queue */
1422 rq->rx_stats.rx_pkts++;
1423 rq->rx_stats.rx_bytes += cqe->u0.s.pkt_size;
1424 rq->rx_stats.rx_frags += cqe->u0.s.num_fragments;
1425 if (cqe->u0.s.pkt_type == OCE_MULTICAST_PACKET)
1426 rq->rx_stats.rx_mcast_pkts++;
1427 if (cqe->u0.s.pkt_type == OCE_UNICAST_PACKET)
1428 rq->rx_stats.rx_ucast_pkts++;
1436 oce_discard_rx_comp(struct oce_rq *rq, struct oce_nic_rx_cqe *cqe)
1438 uint32_t out, i = 0;
1439 struct oce_packet_desc *pd;
1440 POCE_SOFTC sc = (POCE_SOFTC) rq->parent;
1441 int num_frags = cqe->u0.s.num_fragments;
1443 for (i = 0; i < num_frags; i++) {
1444 if (rq->packets_out == rq->packets_in) {
1445 device_printf(sc->dev,
1446 "RQ transmit descriptor missing\n");
1448 out = rq->packets_out + 1;
1449 if (out == OCE_RQ_PACKET_ARRAY_SIZE)
1451 pd = &rq->pckts[rq->packets_out];
1452 rq->packets_out = out;
1454 bus_dmamap_sync(rq->tag, pd->map, BUS_DMASYNC_POSTWRITE);
1455 bus_dmamap_unload(rq->tag, pd->map);
1464 oce_cqe_vtp_valid(POCE_SOFTC sc, struct oce_nic_rx_cqe *cqe)
1466 struct oce_nic_rx_cqe_v1 *cqe_v1;
1469 if (sc->be3_native) {
1470 cqe_v1 = (struct oce_nic_rx_cqe_v1 *)cqe;
1471 vtp = cqe_v1->u0.s.vlan_tag_present;
1473 vtp = cqe->u0.s.vlan_tag_present;
1481 oce_cqe_portid_valid(POCE_SOFTC sc, struct oce_nic_rx_cqe *cqe)
1483 struct oce_nic_rx_cqe_v1 *cqe_v1;
1486 if (sc->be3_native && (IS_BE(sc) || IS_SH(sc))) {
1487 cqe_v1 = (struct oce_nic_rx_cqe_v1 *)cqe;
1488 port_id = cqe_v1->u0.s.port;
1489 if (sc->port_id != port_id)
1492 ;/* For BE3 legacy and Lancer this is dummy */
1498 #if defined(INET6) || defined(INET)
1500 oce_rx_flush_lro(struct oce_rq *rq)
1502 struct lro_ctrl *lro = &rq->lro;
1503 struct lro_entry *queued;
1504 POCE_SOFTC sc = (POCE_SOFTC) rq->parent;
1506 if (!IF_LRO_ENABLED(sc))
1509 while ((queued = SLIST_FIRST(&lro->lro_active)) != NULL) {
1510 SLIST_REMOVE_HEAD(&lro->lro_active, next);
1511 tcp_lro_flush(lro, queued);
1513 rq->lro_pkts_queued = 0;
1520 oce_init_lro(POCE_SOFTC sc)
1522 struct lro_ctrl *lro = NULL;
1525 for (i = 0; i < sc->nrqs; i++) {
1526 lro = &sc->rq[i]->lro;
1527 rc = tcp_lro_init(lro);
1529 device_printf(sc->dev, "LRO init failed\n");
1540 oce_free_lro(POCE_SOFTC sc)
1542 struct lro_ctrl *lro = NULL;
1545 for (i = 0; i < sc->nrqs; i++) {
1546 lro = &sc->rq[i]->lro;
1554 oce_alloc_rx_bufs(struct oce_rq *rq, int count)
1556 POCE_SOFTC sc = (POCE_SOFTC) rq->parent;
1558 struct oce_packet_desc *pd;
1559 bus_dma_segment_t segs[6];
1560 int nsegs, added = 0;
1561 struct oce_nic_rqe *rqe;
1562 pd_rxulp_db_t rxdb_reg;
1564 bzero(&rxdb_reg, sizeof(pd_rxulp_db_t));
1565 for (i = 0; i < count; i++) {
1566 in = rq->packets_in + 1;
1567 if (in == OCE_RQ_PACKET_ARRAY_SIZE)
1569 if (in == rq->packets_out)
1570 break; /* no more room */
1572 pd = &rq->pckts[rq->packets_in];
1573 pd->mbuf = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1574 if (pd->mbuf == NULL)
1577 pd->mbuf->m_len = pd->mbuf->m_pkthdr.len = MCLBYTES;
1578 rc = bus_dmamap_load_mbuf_sg(rq->tag,
1581 segs, &nsegs, BUS_DMA_NOWAIT);
1592 rq->packets_in = in;
1593 bus_dmamap_sync(rq->tag, pd->map, BUS_DMASYNC_PREREAD);
1595 rqe = RING_GET_PRODUCER_ITEM_VA(rq->ring, struct oce_nic_rqe);
1596 rqe->u0.s.frag_pa_hi = ADDR_HI(segs[0].ds_addr);
1597 rqe->u0.s.frag_pa_lo = ADDR_LO(segs[0].ds_addr);
1598 DW_SWAP(u32ptr(rqe), sizeof(struct oce_nic_rqe));
1599 RING_PUT(rq->ring, 1);
1604 for (i = added / OCE_MAX_RQ_POSTS; i > 0; i--) {
1605 rxdb_reg.bits.num_posted = OCE_MAX_RQ_POSTS;
1606 rxdb_reg.bits.qid = rq->rq_id;
1607 OCE_WRITE_REG32(sc, db, PD_RXULP_DB, rxdb_reg.dw0);
1608 added -= OCE_MAX_RQ_POSTS;
1611 rxdb_reg.bits.qid = rq->rq_id;
1612 rxdb_reg.bits.num_posted = added;
1613 OCE_WRITE_REG32(sc, db, PD_RXULP_DB, rxdb_reg.dw0);
1621 /* Handle the Completion Queue for receive */
1623 oce_rq_handler(void *arg)
1625 struct oce_rq *rq = (struct oce_rq *)arg;
1626 struct oce_cq *cq = rq->cq;
1627 POCE_SOFTC sc = rq->parent;
1628 struct oce_nic_rx_cqe *cqe;
1629 int num_cqes = 0, rq_buffers_used = 0;
1632 bus_dmamap_sync(cq->ring->dma.tag,
1633 cq->ring->dma.map, BUS_DMASYNC_POSTWRITE);
1634 cqe = RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_nic_rx_cqe);
1635 while (cqe->u0.dw[2]) {
1636 DW_SWAP((uint32_t *) cqe, sizeof(oce_rq_cqe));
1638 RING_GET(rq->ring, 1);
1639 if (cqe->u0.s.error == 0) {
1640 oce_rx(rq, cqe->u0.s.frag_index, cqe);
1642 rq->rx_stats.rxcp_err++;
1643 sc->ifp->if_ierrors++;
1644 /* Post L3/L4 errors to stack.*/
1645 oce_rx(rq, cqe->u0.s.frag_index, cqe);
1647 rq->rx_stats.rx_compl++;
1650 #if defined(INET6) || defined(INET)
1651 if (IF_LRO_ENABLED(sc) && rq->lro_pkts_queued >= 16) {
1652 oce_rx_flush_lro(rq);
1656 RING_GET(cq->ring, 1);
1657 bus_dmamap_sync(cq->ring->dma.tag,
1658 cq->ring->dma.map, BUS_DMASYNC_POSTWRITE);
1660 RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_nic_rx_cqe);
1662 if (num_cqes >= (IS_XE201(sc) ? 8 : oce_max_rsp_handled))
1666 #if defined(INET6) || defined(INET)
1667 if (IF_LRO_ENABLED(sc))
1668 oce_rx_flush_lro(rq);
1672 oce_arm_cq(sc, cq->cq_id, num_cqes, FALSE);
1673 rq_buffers_used = OCE_RQ_PACKET_ARRAY_SIZE - rq->pending;
1674 if (rq_buffers_used > 1)
1675 oce_alloc_rx_bufs(rq, (rq_buffers_used - 1));
1685 /*****************************************************************************
1686 * Helper function prototypes in this file *
1687 *****************************************************************************/
1690 oce_attach_ifp(POCE_SOFTC sc)
1693 sc->ifp = if_alloc(IFT_ETHER);
1697 ifmedia_init(&sc->media, IFM_IMASK, oce_media_change, oce_media_status);
1698 ifmedia_add(&sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
1699 ifmedia_set(&sc->media, IFM_ETHER | IFM_AUTO);
1701 sc->ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST;
1702 sc->ifp->if_ioctl = oce_ioctl;
1703 sc->ifp->if_start = oce_start;
1704 sc->ifp->if_init = oce_init;
1705 sc->ifp->if_mtu = ETHERMTU;
1706 sc->ifp->if_softc = sc;
1707 #if __FreeBSD_version >= 800000
1708 sc->ifp->if_transmit = oce_multiq_start;
1709 sc->ifp->if_qflush = oce_multiq_flush;
1712 if_initname(sc->ifp,
1713 device_get_name(sc->dev), device_get_unit(sc->dev));
1715 sc->ifp->if_snd.ifq_drv_maxlen = OCE_MAX_TX_DESC - 1;
1716 IFQ_SET_MAXLEN(&sc->ifp->if_snd, sc->ifp->if_snd.ifq_drv_maxlen);
1717 IFQ_SET_READY(&sc->ifp->if_snd);
1719 sc->ifp->if_hwassist = OCE_IF_HWASSIST;
1720 sc->ifp->if_hwassist |= CSUM_TSO;
1721 sc->ifp->if_hwassist |= (CSUM_IP | CSUM_TCP | CSUM_UDP);
1723 sc->ifp->if_capabilities = OCE_IF_CAPABILITIES;
1724 sc->ifp->if_capabilities |= IFCAP_HWCSUM;
1725 sc->ifp->if_capabilities |= IFCAP_VLAN_HWFILTER;
1727 #if defined(INET6) || defined(INET)
1728 sc->ifp->if_capabilities |= IFCAP_TSO;
1729 sc->ifp->if_capabilities |= IFCAP_LRO;
1730 sc->ifp->if_capabilities |= IFCAP_VLAN_HWTSO;
1733 sc->ifp->if_capenable = sc->ifp->if_capabilities;
1734 sc->ifp->if_baudrate = IF_Gbps(10UL);
1736 #if __FreeBSD_version >= 1000000
1737 sc->ifp->if_hw_tsomax = 65536 - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN);
1738 sc->ifp->if_hw_tsomaxsegcount = OCE_MAX_TX_ELEMENTS;
1739 sc->ifp->if_hw_tsomaxsegsize = 4096;
1742 ether_ifattach(sc->ifp, sc->macaddr.mac_addr);
1749 oce_add_vlan(void *arg, struct ifnet *ifp, uint16_t vtag)
1751 POCE_SOFTC sc = ifp->if_softc;
1753 if (ifp->if_softc != arg)
1755 if ((vtag == 0) || (vtag > 4095))
1758 sc->vlan_tag[vtag] = 1;
1760 if (sc->vlans_added <= (sc->max_vlans + 1))
1766 oce_del_vlan(void *arg, struct ifnet *ifp, uint16_t vtag)
1768 POCE_SOFTC sc = ifp->if_softc;
1770 if (ifp->if_softc != arg)
1772 if ((vtag == 0) || (vtag > 4095))
1775 sc->vlan_tag[vtag] = 0;
1782 * A max of 64 vlans can be configured in BE. If the user configures
1783 * more, place the card in vlan promiscuous mode.
1786 oce_vid_config(POCE_SOFTC sc)
1788 struct normal_vlan vtags[MAX_VLANFILTER_SIZE];
1789 uint16_t ntags = 0, i;
1792 if ((sc->vlans_added <= MAX_VLANFILTER_SIZE) &&
1793 (sc->ifp->if_capenable & IFCAP_VLAN_HWFILTER)) {
1794 for (i = 0; i < MAX_VLANS; i++) {
1795 if (sc->vlan_tag[i]) {
1796 vtags[ntags].vtag = i;
1801 status = oce_config_vlan(sc, (uint8_t) sc->if_id,
1802 vtags, ntags, 1, 0);
1804 status = oce_config_vlan(sc, (uint8_t) sc->if_id,
1811 oce_mac_addr_set(POCE_SOFTC sc)
1813 uint32_t old_pmac_id = sc->pmac_id;
1817 status = bcmp((IF_LLADDR(sc->ifp)), sc->macaddr.mac_addr,
1818 sc->macaddr.size_of_struct);
1822 status = oce_mbox_macaddr_add(sc, (uint8_t *)(IF_LLADDR(sc->ifp)),
1823 sc->if_id, &sc->pmac_id);
1825 status = oce_mbox_macaddr_del(sc, sc->if_id, old_pmac_id);
1826 bcopy((IF_LLADDR(sc->ifp)), sc->macaddr.mac_addr,
1827 sc->macaddr.size_of_struct);
1830 device_printf(sc->dev, "Failed update macaddress\n");
1836 oce_handle_passthrough(struct ifnet *ifp, caddr_t data)
1838 POCE_SOFTC sc = ifp->if_softc;
1839 struct ifreq *ifr = (struct ifreq *)data;
1841 char cookie[32] = {0};
1842 void *priv_data = (void *)ifr->ifr_data;
1846 OCE_DMA_MEM dma_mem;
1847 struct mbx_common_get_cntl_attr *fw_cmd;
1849 if (copyin(priv_data, cookie, strlen(IOCTL_COOKIE)))
1852 if (memcmp(cookie, IOCTL_COOKIE, strlen(IOCTL_COOKIE)))
1855 ioctl_ptr = (char *)priv_data + strlen(IOCTL_COOKIE);
1856 if (copyin(ioctl_ptr, &req, sizeof(struct mbx_hdr)))
1859 req_size = le32toh(req.u0.req.request_length);
1860 if (req_size > 65536)
1863 req_size += sizeof(struct mbx_hdr);
1864 rc = oce_dma_alloc(sc, req_size, &dma_mem, 0);
1868 if (copyin(ioctl_ptr, OCE_DMAPTR(&dma_mem,char), req_size)) {
1873 rc = oce_pass_through_mbox(sc, &dma_mem, req_size);
1879 if (copyout(OCE_DMAPTR(&dma_mem,char), ioctl_ptr, req_size))
1883 firmware is filling all the attributes for this ioctl except
1884 the driver version..so fill it
1886 if(req.u0.rsp.opcode == OPCODE_COMMON_GET_CNTL_ATTRIBUTES) {
1887 fw_cmd = (struct mbx_common_get_cntl_attr *) ioctl_ptr;
1888 strncpy(fw_cmd->params.rsp.cntl_attr_info.hba_attr.drv_ver_str,
1889 COMPONENT_REVISION, strlen(COMPONENT_REVISION));
1893 oce_dma_free(sc, &dma_mem);
1899 oce_eqd_set_periodic(POCE_SOFTC sc)
1901 struct oce_set_eqd set_eqd[OCE_MAX_EQ];
1902 struct oce_aic_obj *aic;
1904 uint64_t now = 0, delta;
1905 int eqd, i, num = 0;
1909 for (i = 0 ; i < sc->neqs; i++) {
1911 aic = &sc->aic_obj[i];
1912 /* When setting the static eq delay from the user space */
1920 /* Over flow check */
1921 if ((now < aic->ticks) || (eqo->intr < aic->intr_prev))
1924 delta = now - aic->ticks;
1927 /* Interrupt rate based on elapsed ticks */
1929 ips = (uint32_t)(eqo->intr - aic->intr_prev) / tps;
1931 if (ips > INTR_RATE_HWM)
1932 eqd = aic->cur_eqd + 20;
1933 else if (ips < INTR_RATE_LWM)
1934 eqd = aic->cur_eqd / 2;
1941 /* Make sure that the eq delay is in the known range */
1942 eqd = min(eqd, aic->max_eqd);
1943 eqd = max(eqd, aic->min_eqd);
1946 if (eqd != aic->cur_eqd) {
1947 set_eqd[num].delay_multiplier = (eqd * 65)/100;
1948 set_eqd[num].eq_id = eqo->eq_id;
1953 aic->intr_prev = eqo->intr;
1957 /* Is there atleast one eq that needs to be modified? */
1959 oce_mbox_eqd_modify_periodic(sc, set_eqd, num);
1962 static void oce_detect_hw_error(POCE_SOFTC sc)
1965 uint32_t ue_low = 0, ue_high = 0, ue_low_mask = 0, ue_high_mask = 0;
1966 uint32_t sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0;
1973 sliport_status = OCE_READ_REG32(sc, db, SLIPORT_STATUS_OFFSET);
1974 if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
1975 sliport_err1 = OCE_READ_REG32(sc, db, SLIPORT_ERROR1_OFFSET);
1976 sliport_err2 = OCE_READ_REG32(sc, db, SLIPORT_ERROR2_OFFSET);
1979 ue_low = OCE_READ_REG32(sc, devcfg, PCICFG_UE_STATUS_LOW);
1980 ue_high = OCE_READ_REG32(sc, devcfg, PCICFG_UE_STATUS_HIGH);
1981 ue_low_mask = OCE_READ_REG32(sc, devcfg, PCICFG_UE_STATUS_LOW_MASK);
1982 ue_high_mask = OCE_READ_REG32(sc, devcfg, PCICFG_UE_STATUS_HI_MASK);
1984 ue_low = (ue_low & ~ue_low_mask);
1985 ue_high = (ue_high & ~ue_high_mask);
1988 /* On certain platforms BE hardware can indicate spurious UEs.
1989 * Allow the h/w to stop working completely in case of a real UE.
1990 * Hence not setting the hw_error for UE detection.
1992 if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
1993 sc->hw_error = TRUE;
1994 device_printf(sc->dev, "Error detected in the card\n");
1997 if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
1998 device_printf(sc->dev,
1999 "ERR: sliport status 0x%x\n", sliport_status);
2000 device_printf(sc->dev,
2001 "ERR: sliport error1 0x%x\n", sliport_err1);
2002 device_printf(sc->dev,
2003 "ERR: sliport error2 0x%x\n", sliport_err2);
2007 for (i = 0; ue_low; ue_low >>= 1, i++) {
2009 device_printf(sc->dev, "UE: %s bit set\n",
2010 ue_status_low_desc[i]);
2015 for (i = 0; ue_high; ue_high >>= 1, i++) {
2017 device_printf(sc->dev, "UE: %s bit set\n",
2018 ue_status_hi_desc[i]);
2026 oce_local_timer(void *arg)
2028 POCE_SOFTC sc = arg;
2031 oce_detect_hw_error(sc);
2032 oce_refresh_nic_stats(sc);
2033 oce_refresh_queue_stats(sc);
2034 oce_mac_addr_set(sc);
2037 for (i = 0; i < sc->nwqs; i++)
2038 oce_tx_restart(sc, sc->wq[i]);
2040 /* calculate and set the eq delay for optimal interrupt rate */
2041 if (IS_BE(sc) || IS_SH(sc))
2042 oce_eqd_set_periodic(sc);
2044 callout_reset(&sc->timer, hz, oce_local_timer, sc);
2048 /* NOTE : This should only be called holding
2052 oce_if_deactivate(POCE_SOFTC sc)
2060 sc->ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
2062 /*Wait for max of 400ms for TX completions to be done */
2063 while (mtime < 400) {
2065 for_all_wq_queues(sc, wq, i) {
2066 if (wq->ring->num_used) {
2077 /* Stop intrs and finish any bottom halves pending */
2078 oce_hw_intr_disable(sc);
2080 /* Since taskqueue_drain takes a Gaint Lock, We should not acquire
2081 any other lock. So unlock device lock and require after
2082 completing taskqueue_drain.
2084 UNLOCK(&sc->dev_lock);
2085 for (i = 0; i < sc->intr_count; i++) {
2086 if (sc->intrs[i].tq != NULL) {
2087 taskqueue_drain(sc->intrs[i].tq, &sc->intrs[i].task);
2090 LOCK(&sc->dev_lock);
2092 /* Delete RX queue in card with flush param */
2095 /* Invalidate any pending cq and eq entries*/
2096 for_all_evnt_queues(sc, eq, i)
2098 for_all_rq_queues(sc, rq, i)
2099 oce_drain_rq_cq(rq);
2100 for_all_wq_queues(sc, wq, i)
2101 oce_drain_wq_cq(wq);
2103 /* But still we need to get MCC aync events.
2104 So enable intrs and also arm first EQ
2106 oce_hw_intr_enable(sc);
2107 oce_arm_eq(sc, sc->eq[0]->eq_id, 0, TRUE, FALSE);
2114 oce_if_activate(POCE_SOFTC sc)
2121 sc->ifp->if_drv_flags |= IFF_DRV_RUNNING;
2123 oce_hw_intr_disable(sc);
2127 for_all_rq_queues(sc, rq, i) {
2128 rc = oce_start_rq(rq);
2130 device_printf(sc->dev, "Unable to start RX\n");
2133 for_all_wq_queues(sc, wq, i) {
2134 rc = oce_start_wq(wq);
2136 device_printf(sc->dev, "Unable to start TX\n");
2140 for_all_evnt_queues(sc, eq, i)
2141 oce_arm_eq(sc, eq->eq_id, 0, TRUE, FALSE);
2143 oce_hw_intr_enable(sc);
2148 process_link_state(POCE_SOFTC sc, struct oce_async_cqe_link_state *acqe)
2150 /* Update Link status */
2151 if ((acqe->u0.s.link_status & ~ASYNC_EVENT_LOGICAL) ==
2152 ASYNC_EVENT_LINK_UP) {
2153 sc->link_status = ASYNC_EVENT_LINK_UP;
2154 if_link_state_change(sc->ifp, LINK_STATE_UP);
2156 sc->link_status = ASYNC_EVENT_LINK_DOWN;
2157 if_link_state_change(sc->ifp, LINK_STATE_DOWN);
2162 /* Handle the Completion Queue for the Mailbox/Async notifications */
2164 oce_mq_handler(void *arg)
2166 struct oce_mq *mq = (struct oce_mq *)arg;
2167 POCE_SOFTC sc = mq->parent;
2168 struct oce_cq *cq = mq->cq;
2169 int num_cqes = 0, evt_type = 0, optype = 0;
2170 struct oce_mq_cqe *cqe;
2171 struct oce_async_cqe_link_state *acqe;
2172 struct oce_async_event_grp5_pvid_state *gcqe;
2173 struct oce_async_event_qnq *dbgcqe;
2176 bus_dmamap_sync(cq->ring->dma.tag,
2177 cq->ring->dma.map, BUS_DMASYNC_POSTWRITE);
2178 cqe = RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_mq_cqe);
2180 while (cqe->u0.dw[3]) {
2181 DW_SWAP((uint32_t *) cqe, sizeof(oce_mq_cqe));
2182 if (cqe->u0.s.async_event) {
2183 evt_type = cqe->u0.s.event_type;
2184 optype = cqe->u0.s.async_type;
2185 if (evt_type == ASYNC_EVENT_CODE_LINK_STATE) {
2186 /* Link status evt */
2187 acqe = (struct oce_async_cqe_link_state *)cqe;
2188 process_link_state(sc, acqe);
2189 } else if ((evt_type == ASYNC_EVENT_GRP5) &&
2190 (optype == ASYNC_EVENT_PVID_STATE)) {
2193 (struct oce_async_event_grp5_pvid_state *)cqe;
2195 sc->pvid = gcqe->tag & VLAN_VID_MASK;
2200 else if(evt_type == ASYNC_EVENT_CODE_DEBUG &&
2201 optype == ASYNC_EVENT_DEBUG_QNQ) {
2203 (struct oce_async_event_qnq *)cqe;
2205 sc->qnqid = dbgcqe->vlan_tag;
2206 sc->qnq_debug_event = TRUE;
2210 RING_GET(cq->ring, 1);
2211 bus_dmamap_sync(cq->ring->dma.tag,
2212 cq->ring->dma.map, BUS_DMASYNC_POSTWRITE);
2213 cqe = RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_mq_cqe);
2218 oce_arm_cq(sc, cq->cq_id, num_cqes, FALSE);
2225 setup_max_queues_want(POCE_SOFTC sc)
2227 /* Check if it is FLEX machine. Is so dont use RSS */
2228 if ((sc->function_mode & FNM_FLEX10_MODE) ||
2229 (sc->function_mode & FNM_UMC_MODE) ||
2230 (sc->function_mode & FNM_VNIC_MODE) ||
2231 (!is_rss_enabled(sc)) ||
2236 sc->nrqs = MIN(OCE_NCPUS, sc->nrssqs) + 1;
2237 sc->nwqs = MIN(OCE_NCPUS, sc->nrssqs);
2240 if (IS_BE2(sc) && is_rss_enabled(sc))
2241 sc->nrqs = MIN(OCE_NCPUS, sc->nrssqs) + 1;
2246 update_queues_got(POCE_SOFTC sc)
2248 if (is_rss_enabled(sc)) {
2249 sc->nrqs = sc->intr_count + 1;
2250 sc->nwqs = sc->intr_count;
2261 oce_check_ipv6_ext_hdr(struct mbuf *m)
2263 struct ether_header *eh = mtod(m, struct ether_header *);
2264 caddr_t m_datatemp = m->m_data;
2266 if (eh->ether_type == htons(ETHERTYPE_IPV6)) {
2267 m->m_data += sizeof(struct ether_header);
2268 struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
2270 if((ip6->ip6_nxt != IPPROTO_TCP) && \
2271 (ip6->ip6_nxt != IPPROTO_UDP)){
2272 struct ip6_ext *ip6e = NULL;
2273 m->m_data += sizeof(struct ip6_hdr);
2275 ip6e = (struct ip6_ext *) mtod(m, struct ip6_ext *);
2276 if(ip6e->ip6e_len == 0xff) {
2277 m->m_data = m_datatemp;
2281 m->m_data = m_datatemp;
2287 is_be3_a1(POCE_SOFTC sc)
2289 if((sc->flags & OCE_FLAGS_BE3) && ((sc->asic_revision & 0xFF) < 2)) {
2295 static struct mbuf *
2296 oce_insert_vlan_tag(POCE_SOFTC sc, struct mbuf *m, boolean_t *complete)
2298 uint16_t vlan_tag = 0;
2303 /* Embed vlan tag in the packet if it is not part of it */
2304 if(m->m_flags & M_VLANTAG) {
2305 vlan_tag = EVL_VLANOFTAG(m->m_pkthdr.ether_vtag);
2306 m->m_flags &= ~M_VLANTAG;
2309 /* if UMC, ignore vlan tag insertion and instead insert pvid */
2312 vlan_tag = sc->pvid;
2317 m = ether_vlanencap(m, vlan_tag);
2321 m = ether_vlanencap(m, sc->qnqid);
2328 oce_tx_asic_stall_verify(POCE_SOFTC sc, struct mbuf *m)
2330 if(is_be3_a1(sc) && IS_QNQ_OR_UMC(sc) && \
2331 oce_check_ipv6_ext_hdr(m)) {
2338 oce_get_config(POCE_SOFTC sc)
2341 uint32_t max_rss = 0;
2343 if ((IS_BE(sc) || IS_SH(sc)) && (!sc->be3_native))
2344 max_rss = OCE_LEGACY_MODE_RSS;
2346 max_rss = OCE_MAX_RSS;
2349 rc = oce_get_profile_config(sc, max_rss);
2351 sc->nwqs = OCE_MAX_WQ;
2352 sc->nrssqs = max_rss;
2353 sc->nrqs = sc->nrssqs + 1;
2356 else { /* For BE3 don't rely on fw for determining the resources */
2357 sc->nrssqs = max_rss;
2358 sc->nrqs = sc->nrssqs + 1;
2359 sc->nwqs = OCE_MAX_WQ;
2360 sc->max_vlans = MAX_VLANFILTER_SIZE;