| if_cgem.c (271046) | if_cgem.c (271849) |
|---|---|
| 1/*- 2 * Copyright (c) 2012-2014 Thomas Skibo <thomasskibo@yahoo.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 20 unchanged lines hidden (view full) --- 29 * interface such as the one used in Xilinx Zynq-7000 SoC. 30 * 31 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual. 32 * (v1.4) November 16, 2012. Xilinx doc UG585. GEM is covered in Ch. 16 33 * and register definitions are in appendix B.18. 34 */ 35 36#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012-2014 Thomas Skibo <thomasskibo@yahoo.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 20 unchanged lines hidden (view full) --- 29 * interface such as the one used in Xilinx Zynq-7000 SoC. 30 * 31 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual. 32 * (v1.4) November 16, 2012. Xilinx doc UG585. GEM is covered in Ch. 16 33 * and register definitions are in appendix B.18. 34 */ 35 36#include <sys/cdefs.h> |
| 37__FBSDID("$FreeBSD: head/sys/dev/cadence/if_cgem.c 271046 2014-09-03 17:51:03Z ian $"); | 37__FBSDID("$FreeBSD: head/sys/dev/cadence/if_cgem.c 271849 2014-09-19 03:51:26Z glebius $"); |
| 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/bus.h> 42#include <sys/kernel.h> 43#include <sys/malloc.h> 44#include <sys/mbuf.h> 45#include <sys/module.h> --- 507 unchanged lines hidden (view full) --- 553 * cluster (which is much bigger than the largest ethernet 554 * packet). 555 */ 556 if ((ctl & CGEM_RXDESC_BAD_FCS) != 0 || 557 (ctl & (CGEM_RXDESC_SOF | CGEM_RXDESC_EOF)) != 558 (CGEM_RXDESC_SOF | CGEM_RXDESC_EOF)) { 559 /* discard. */ 560 m_free(m); | 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/bus.h> 42#include <sys/kernel.h> 43#include <sys/malloc.h> 44#include <sys/mbuf.h> 45#include <sys/module.h> --- 507 unchanged lines hidden (view full) --- 553 * cluster (which is much bigger than the largest ethernet 554 * packet). 555 */ 556 if ((ctl & CGEM_RXDESC_BAD_FCS) != 0 || 557 (ctl & (CGEM_RXDESC_SOF | CGEM_RXDESC_EOF)) != 558 (CGEM_RXDESC_SOF | CGEM_RXDESC_EOF)) { 559 /* discard. */ 560 m_free(m); |
| 561 ifp->if_ierrors++; | 561 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); |
| 562 continue; 563 } 564 565 /* Ready it to hand off to upper layers. */ 566 m->m_data += ETHER_ALIGN; 567 m->m_len = (ctl & CGEM_RXDESC_LENGTH_MASK); 568 m->m_pkthdr.rcvif = ifp; 569 m->m_pkthdr.len = m->m_len; --- 29 unchanged lines hidden (view full) --- 599 cgem_fill_rqueue(sc); 600 601 /* Unlock and send up packets. */ 602 CGEM_UNLOCK(sc); 603 while (m_hd != NULL) { 604 m = m_hd; 605 m_hd = m_hd->m_next; 606 m->m_next = NULL; | 562 continue; 563 } 564 565 /* Ready it to hand off to upper layers. */ 566 m->m_data += ETHER_ALIGN; 567 m->m_len = (ctl & CGEM_RXDESC_LENGTH_MASK); 568 m->m_pkthdr.rcvif = ifp; 569 m->m_pkthdr.len = m->m_len; --- 29 unchanged lines hidden (view full) --- 599 cgem_fill_rqueue(sc); 600 601 /* Unlock and send up packets. */ 602 CGEM_UNLOCK(sc); 603 while (m_hd != NULL) { 604 m = m_hd; 605 m_hd = m_hd->m_next; 606 m->m_next = NULL; |
| 607 ifp->if_ipackets++; | 607 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); |
| 608 (*ifp->if_input)(ifp, m); 609 } 610 CGEM_LOCK(sc); 611} 612 613/* Find completed transmits and free their mbufs. */ 614static void 615cgem_clean_tx(struct cgem_softc *sc) --- 25 unchanged lines hidden (view full) --- 641 /* Check the status. */ 642 if ((ctl & CGEM_TXDESC_AHB_ERR) != 0) { 643 /* Serious bus error. log to console. */ 644 device_printf(sc->dev, "cgem_clean_tx: Whoa! " 645 "AHB error, addr=0x%x\n", 646 sc->txring[sc->txring_tl_ptr].addr); 647 } else if ((ctl & (CGEM_TXDESC_RETRY_ERR | 648 CGEM_TXDESC_LATE_COLL)) != 0) { | 608 (*ifp->if_input)(ifp, m); 609 } 610 CGEM_LOCK(sc); 611} 612 613/* Find completed transmits and free their mbufs. */ 614static void 615cgem_clean_tx(struct cgem_softc *sc) --- 25 unchanged lines hidden (view full) --- 641 /* Check the status. */ 642 if ((ctl & CGEM_TXDESC_AHB_ERR) != 0) { 643 /* Serious bus error. log to console. */ 644 device_printf(sc->dev, "cgem_clean_tx: Whoa! " 645 "AHB error, addr=0x%x\n", 646 sc->txring[sc->txring_tl_ptr].addr); 647 } else if ((ctl & (CGEM_TXDESC_RETRY_ERR | 648 CGEM_TXDESC_LATE_COLL)) != 0) { |
| 649 sc->ifp->if_oerrors++; | 649 if_inc_counter(sc->ifp, IFCOUNTER_OERRORS, 1); |
| 650 } else | 650 } else |
| 651 sc->ifp->if_opackets++; | 651 if_inc_counter(sc->ifp, IFCOUNTER_OPACKETS, 1); |
| 652 653 /* If the packet spanned more than one tx descriptor, 654 * skip descriptors until we find the end so that only 655 * start-of-frame descriptors are processed. 656 */ 657 while ((ctl & CGEM_TXDESC_LAST_BUF) == 0) { 658 if ((ctl & CGEM_TXDESC_WRAP) != 0) 659 sc->txring_tl_ptr = 0; --- 156 unchanged lines hidden (view full) --- 816 sc->stats.tx_frames_128to255b += RD4(sc, CGEM_FRAMES_128_255B_TX); 817 sc->stats.tx_frames_256to511b += RD4(sc, CGEM_FRAMES_256_511B_TX); 818 sc->stats.tx_frames_512to1023b += RD4(sc, CGEM_FRAMES_512_1023B_TX); 819 sc->stats.tx_frames_1024to1536b += RD4(sc, CGEM_FRAMES_1024_1518B_TX); 820 sc->stats.tx_under_runs += RD4(sc, CGEM_TX_UNDERRUNS); 821 822 n = RD4(sc, CGEM_SINGLE_COLL_FRAMES); 823 sc->stats.tx_single_collisn += n; | 652 653 /* If the packet spanned more than one tx descriptor, 654 * skip descriptors until we find the end so that only 655 * start-of-frame descriptors are processed. 656 */ 657 while ((ctl & CGEM_TXDESC_LAST_BUF) == 0) { 658 if ((ctl & CGEM_TXDESC_WRAP) != 0) 659 sc->txring_tl_ptr = 0; --- 156 unchanged lines hidden (view full) --- 816 sc->stats.tx_frames_128to255b += RD4(sc, CGEM_FRAMES_128_255B_TX); 817 sc->stats.tx_frames_256to511b += RD4(sc, CGEM_FRAMES_256_511B_TX); 818 sc->stats.tx_frames_512to1023b += RD4(sc, CGEM_FRAMES_512_1023B_TX); 819 sc->stats.tx_frames_1024to1536b += RD4(sc, CGEM_FRAMES_1024_1518B_TX); 820 sc->stats.tx_under_runs += RD4(sc, CGEM_TX_UNDERRUNS); 821 822 n = RD4(sc, CGEM_SINGLE_COLL_FRAMES); 823 sc->stats.tx_single_collisn += n; |
| 824 sc->ifp->if_collisions += n; | 824 if_inc_counter(sc->ifp, IFCOUNTER_COLLISIONS, n); |
| 825 n = RD4(sc, CGEM_MULTI_COLL_FRAMES); 826 sc->stats.tx_multi_collisn += n; | 825 n = RD4(sc, CGEM_MULTI_COLL_FRAMES); 826 sc->stats.tx_multi_collisn += n; |
| 827 sc->ifp->if_collisions += n; | 827 if_inc_counter(sc->ifp, IFCOUNTER_COLLISIONS, n); |
| 828 n = RD4(sc, CGEM_EXCESSIVE_COLL_FRAMES); 829 sc->stats.tx_excsv_collisn += n; | 828 n = RD4(sc, CGEM_EXCESSIVE_COLL_FRAMES); 829 sc->stats.tx_excsv_collisn += n; |
| 830 sc->ifp->if_collisions += n; | 830 if_inc_counter(sc->ifp, IFCOUNTER_COLLISIONS, n); |
| 831 n = RD4(sc, CGEM_LATE_COLL); 832 sc->stats.tx_late_collisn += n; | 831 n = RD4(sc, CGEM_LATE_COLL); 832 sc->stats.tx_late_collisn += n; |
| 833 sc->ifp->if_collisions += n; | 833 if_inc_counter(sc->ifp, IFCOUNTER_COLLISIONS, n); |
| 834 835 sc->stats.tx_deferred_frames += RD4(sc, CGEM_DEFERRED_TX_FRAMES); 836 sc->stats.tx_carrier_sense_errs += RD4(sc, CGEM_CARRIER_SENSE_ERRS); 837 838 sc->stats.rx_bytes += RD4(sc, CGEM_OCTETS_RX_BOT); 839 sc->stats.rx_bytes += (uint64_t)RD4(sc, CGEM_OCTETS_RX_TOP) << 32; 840 841 sc->stats.rx_frames += RD4(sc, CGEM_FRAMES_RX); --- 985 unchanged lines hidden --- | 834 835 sc->stats.tx_deferred_frames += RD4(sc, CGEM_DEFERRED_TX_FRAMES); 836 sc->stats.tx_carrier_sense_errs += RD4(sc, CGEM_CARRIER_SENSE_ERRS); 837 838 sc->stats.rx_bytes += RD4(sc, CGEM_OCTETS_RX_BOT); 839 sc->stats.rx_bytes += (uint64_t)RD4(sc, CGEM_OCTETS_RX_TOP) << 32; 840 841 sc->stats.rx_frames += RD4(sc, CGEM_FRAMES_RX); --- 985 unchanged lines hidden --- |