diff options
Diffstat (limited to 'hw/net/cadence_gem.c')
| -rw-r--r-- | hw/net/cadence_gem.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index ec7bf56..50025d5 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -23,7 +23,7 @@ */ #include "qemu/osdep.h" -#include <zlib.h> /* For crc32 */ +#include <zlib.h> /* for crc32 */ #include "hw/irq.h" #include "hw/net/cadence_gem.h" @@ -33,7 +33,7 @@ #include "qapi/error.h" #include "qemu/log.h" #include "qemu/module.h" -#include "sysemu/dma.h" +#include "system/dma.h" #include "net/checksum.h" #include "net/eth.h" @@ -909,8 +909,8 @@ static int get_queue_from_screen(CadenceGEMState *s, uint8_t *rxbuf_ptr, /* Compare A, B, C */ for (j = 0; j < 3; j++) { - uint32_t cr0, cr1, mask, compare; - uint16_t rx_cmp; + uint32_t cr0, cr1, mask, compare, disable_mask; + uint32_t rx_cmp; int offset; int cr_idx = extract32(reg, R_SCREENING_TYPE2_REG0_COMPARE_A_SHIFT + j * 6, R_SCREENING_TYPE2_REG0_COMPARE_A_LENGTH); @@ -946,9 +946,25 @@ static int get_queue_from_screen(CadenceGEMState *s, uint8_t *rxbuf_ptr, break; } - rx_cmp = rxbuf_ptr[offset] << 8 | rxbuf_ptr[offset]; - mask = FIELD_EX32(cr0, TYPE2_COMPARE_0_WORD_0, MASK_VALUE); - compare = FIELD_EX32(cr0, TYPE2_COMPARE_0_WORD_0, COMPARE_VALUE); + disable_mask = + FIELD_EX32(cr1, TYPE2_COMPARE_0_WORD_1, DISABLE_MASK); + if (disable_mask) { + /* + * If disable_mask is set, mask_value is used as an + * additional 2 byte Compare Value; that is equivalent + * to using the whole cr0 register as the comparison value. + * Load 32 bits of data from rx_buf, and set mask to + * all-ones so we compare all 32 bits. + */ + rx_cmp = ldl_le_p(rxbuf_ptr + offset); + mask = 0xFFFFFFFF; + compare = cr0; + } else { + rx_cmp = lduw_le_p(rxbuf_ptr + offset); + mask = FIELD_EX32(cr0, TYPE2_COMPARE_0_WORD_0, MASK_VALUE); + compare = + FIELD_EX32(cr0, TYPE2_COMPARE_0_WORD_0, COMPARE_VALUE); + } if ((rx_cmp & mask) == (compare & mask)) { matched = true; @@ -1784,7 +1800,7 @@ static const VMStateDescription vmstate_cadence_gem = { } }; -static Property gem_properties[] = { +static const Property gem_properties[] = { DEFINE_NIC_PROPERTIES(CadenceGEMState, conf), DEFINE_PROP_UINT32("revision", CadenceGEMState, revision, GEM_MODID_VALUE), @@ -1799,17 +1815,16 @@ static Property gem_properties[] = { jumbo_max_len, 10240), DEFINE_PROP_LINK("dma", CadenceGEMState, dma_mr, TYPE_MEMORY_REGION, MemoryRegion *), - DEFINE_PROP_END_OF_LIST(), }; -static void gem_class_init(ObjectClass *klass, void *data) +static void gem_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = gem_realize; device_class_set_props(dc, gem_properties); dc->vmsd = &vmstate_cadence_gem; - dc->reset = gem_reset; + device_class_set_legacy_reset(dc, gem_reset); } static const TypeInfo gem_info = { |