X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/469b046ead0671932ff3af8d6f95045b19b186ef..52cfd5846b8979805077ce7608aa36c18a2a9f32:/hw/net/ne2000.c diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c index a62d12d92d..687ef84aac 100644 --- a/hw/net/ne2000.c +++ b/hw/net/ne2000.c @@ -21,9 +21,10 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ -#include "hw/hw.h" +#include "qemu/osdep.h" #include "hw/pci/pci.h" #include "net/net.h" +#include "net/eth.h" #include "ne2000.h" #include "hw/loader.h" #include "sysemu/sysemu.h" @@ -154,6 +155,10 @@ static int ne2000_buffer_full(NE2000State *s) { int avail, index, boundary; + if (s->stop <= s->start) { + return 1; + } + index = s->curpag << 8; boundary = s->boundary << 8; if (index < boundary) @@ -165,15 +170,6 @@ static int ne2000_buffer_full(NE2000State *s) return 0; } -int ne2000_can_receive(NetClientState *nc) -{ - NE2000State *s = qemu_get_nic_opaque(nc); - - if (s->cmd & E8390_STOP) - return 1; - return !ne2000_buffer_full(s); -} - #define MIN_BUF_SIZE 60 ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_) @@ -205,7 +201,7 @@ ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_) /* multicast */ if (!(s->rxcr & 0x08)) return size; - mcast_idx = compute_mcast_idx(buf); + mcast_idx = net_crc32(buf, ETH_ALEN) >> 26; if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7)))) return size; } else if (s->mem[0] == buf[0] && @@ -230,6 +226,9 @@ ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_) } index = s->curpag << 8; + if (index >= NE2000_PMEM_END) { + index = s->start; + } /* 4 bytes for header */ total_len = size + 4; /* address for next packet (4 bytes for CRC) */ @@ -253,7 +252,7 @@ ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_) if (index <= s->stop) avail = s->stop - index; else - avail = 0; + break; len = size; if (len > avail) len = avail; @@ -315,13 +314,19 @@ static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val) offset = addr | (page << 4); switch(offset) { case EN0_STARTPG: - s->start = val << 8; + if (val << 8 <= NE2000_PMEM_END) { + s->start = val << 8; + } break; case EN0_STOPPG: - s->stop = val << 8; + if (val << 8 <= NE2000_PMEM_END) { + s->stop = val << 8; + } break; case EN0_BOUNDARY: - s->boundary = val; + if (val << 8 < NE2000_PMEM_END) { + s->boundary = val; + } break; case EN0_IMR: s->imr = val; @@ -362,7 +367,9 @@ static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val) s->phys[offset - EN1_PHYS] = val; break; case EN1_CURPAG: - s->curpag = val; + if (val << 8 < NE2000_PMEM_END) { + s->curpag = val; + } break; case EN1_MULT ... EN1_MULT + 7: s->mult[offset - EN1_MULT] = val; @@ -465,8 +472,9 @@ static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr, uint32_t val) { addr &= ~1; /* XXX: check exact behaviour if not even */ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { + if (addr < 32 + || (addr >= NE2000_PMEM_START + && addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) { stl_le_p(s->mem + addr, val); } } @@ -495,8 +503,9 @@ static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr) static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr) { addr &= ~1; /* XXX: check exact behaviour if not even */ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { + if (addr < 32 + || (addr >= NE2000_PMEM_START + && addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) { return ldl_le_p(s->mem + addr); } else { return 0xffffffff; @@ -702,22 +711,13 @@ void ne2000_setup_io(NE2000State *s, DeviceState *dev, unsigned size) memory_region_init_io(&s->io, OBJECT(dev), &ne2000_ops, s, "ne2000", size); } -static void ne2000_cleanup(NetClientState *nc) -{ - NE2000State *s = qemu_get_nic_opaque(nc); - - s->nic = NULL; -} - static NetClientInfo net_ne2000_info = { - .type = NET_CLIENT_OPTIONS_KIND_NIC, + .type = NET_CLIENT_DRIVER_NIC, .size = sizeof(NICState), - .can_receive = ne2000_can_receive, .receive = ne2000_receive, - .cleanup = ne2000_cleanup, }; -static int pci_ne2000_init(PCIDevice *pci_dev) +static void pci_ne2000_realize(PCIDevice *pci_dev, Error **errp) { PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev); NE2000State *s; @@ -737,10 +737,6 @@ static int pci_ne2000_init(PCIDevice *pci_dev) s->nic = qemu_new_nic(&net_ne2000_info, &s->c, object_get_typename(OBJECT(pci_dev)), pci_dev->qdev.id, s); qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); - - add_boot_device_path(s->c.bootindex, &pci_dev->qdev, "/ethernet-phy@0"); - - return 0; } static void pci_ne2000_exit(PCIDevice *pci_dev) @@ -752,6 +748,17 @@ static void pci_ne2000_exit(PCIDevice *pci_dev) qemu_free_irq(s->irq); } +static void ne2000_instance_init(Object *obj) +{ + PCIDevice *pci_dev = PCI_DEVICE(obj); + PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev); + NE2000State *s = &d->ne2000; + + device_add_bootindex_property(obj, &s->c.bootindex, + "bootindex", "/ethernet-phy@0", + &pci_dev->qdev, NULL); +} + static Property ne2000_properties[] = { DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c), DEFINE_PROP_END_OF_LIST(), @@ -762,7 +769,7 @@ static void ne2000_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - k->init = pci_ne2000_init; + k->realize = pci_ne2000_realize; k->exit = pci_ne2000_exit; k->romfile = "efi-ne2k_pci.rom", k->vendor_id = PCI_VENDOR_ID_REALTEK; @@ -778,6 +785,11 @@ static const TypeInfo ne2000_info = { .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCINE2000State), .class_init = ne2000_class_init, + .instance_init = ne2000_instance_init, + .interfaces = (InterfaceInfo[]) { + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { }, + }, }; static void ne2000_register_types(void)