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-rw-r--r--hw/eepro100.c25
-rw-r--r--hw/ne2000.c24
-rw-r--r--hw/opencores_eth.c25
-rw-r--r--hw/rtl8139.c24
-rw-r--r--net.c23
-rw-r--r--net.h3
6 files changed, 26 insertions, 98 deletions
diff --git a/hw/eepro100.c b/hw/eepro100.c
index e3ba71974e..02e6f7ef31 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -322,33 +322,8 @@ static const uint16_t eepro100_mdi_mask[] = {
0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
};
-#define POLYNOMIAL 0x04c11db6
-
static E100PCIDeviceInfo *eepro100_get_class(EEPRO100State *s);
-/* From FreeBSD */
-/* XXX: optimize */
-static unsigned compute_mcast_idx(const uint8_t * ep)
-{
- uint32_t crc;
- int carry, i, j;
- uint8_t b;
-
- crc = 0xffffffff;
- for (i = 0; i < 6; i++) {
- b = *ep++;
- for (j = 0; j < 8; j++) {
- carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
- crc <<= 1;
- b >>= 1;
- if (carry) {
- crc = ((crc ^ POLYNOMIAL) | carry);
- }
- }
- }
- return (crc & BITS(7, 2)) >> 2;
-}
-
/* Read a 16 bit control/status (CSR) register. */
static uint16_t e100_read_reg2(EEPRO100State *s, E100RegisterOffset addr)
{
diff --git a/hw/ne2000.c b/hw/ne2000.c
index 71452e1f2e..d02e60c4a6 100644
--- a/hw/ne2000.c
+++ b/hw/ne2000.c
@@ -150,30 +150,6 @@ static void ne2000_update_irq(NE2000State *s)
qemu_set_irq(s->irq, (isr != 0));
}
-#define POLYNOMIAL 0x04c11db6
-
-/* From FreeBSD */
-/* XXX: optimize */
-static int compute_mcast_idx(const uint8_t *ep)
-{
- uint32_t crc;
- int carry, i, j;
- uint8_t b;
-
- crc = 0xffffffff;
- for (i = 0; i < 6; i++) {
- b = *ep++;
- for (j = 0; j < 8; j++) {
- carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
- crc <<= 1;
- b >>= 1;
- if (carry)
- crc = ((crc ^ POLYNOMIAL) | carry);
- }
- }
- return (crc >> 26);
-}
-
static int ne2000_buffer_full(NE2000State *s)
{
int avail, index, boundary;
diff --git a/hw/opencores_eth.c b/hw/opencores_eth.c
index 4c7696935f..350f73173a 100644
--- a/hw/opencores_eth.c
+++ b/hw/opencores_eth.c
@@ -351,31 +351,6 @@ static int open_eth_can_receive(VLANClientState *nc)
(rx_desc(s)->len_flags & RXD_E);
}
-#define POLYNOMIAL 0x04c11db6
-
-/* From FreeBSD */
-/* XXX: optimize */
-static unsigned compute_mcast_idx(const uint8_t *ep)
-{
- uint32_t crc;
- int carry, i, j;
- uint8_t b;
-
- crc = 0xffffffff;
- for (i = 0; i < 6; i++) {
- b = *ep++;
- for (j = 0; j < 8; j++) {
- carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
- crc <<= 1;
- b >>= 1;
- if (carry) {
- crc = ((crc ^ POLYNOMIAL) | carry);
- }
- }
- }
- return crc >> 26;
-}
-
static ssize_t open_eth_receive(VLANClientState *nc,
const uint8_t *buf, size_t size)
{
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 1d5f78bbee..5b608f53ec 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -708,30 +708,6 @@ static void rtl8139_update_irq(RTL8139State *s)
qemu_set_irq(s->dev.irq[0], (isr != 0));
}
-#define POLYNOMIAL 0x04c11db6
-
-/* From FreeBSD */
-/* XXX: optimize */
-static int compute_mcast_idx(const uint8_t *ep)
-{
- uint32_t crc;
- int carry, i, j;
- uint8_t b;
-
- crc = 0xffffffff;
- for (i = 0; i < 6; i++) {
- b = *ep++;
- for (j = 0; j < 8; j++) {
- carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
- crc <<= 1;
- b >>= 1;
- if (carry)
- crc = ((crc ^ POLYNOMIAL) | carry);
- }
- }
- return (crc >> 26);
-}
-
static int rtl8139_RxWrap(RTL8139State *s)
{
/* wrapping enabled; assume 1.5k more buffer space if size < 65536 */
diff --git a/net.c b/net.c
index c34474fe5f..1922d8abd1 100644
--- a/net.c
+++ b/net.c
@@ -1475,3 +1475,26 @@ int net_client_parse(QemuOptsList *opts_list, const char *optarg)
default_net = 0;
return 0;
}
+
+/* From FreeBSD */
+/* XXX: optimize */
+unsigned compute_mcast_idx(const uint8_t *ep)
+{
+ uint32_t crc;
+ int carry, i, j;
+ uint8_t b;
+
+ crc = 0xffffffff;
+ for (i = 0; i < 6; i++) {
+ b = *ep++;
+ for (j = 0; j < 8; j++) {
+ carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
+ crc <<= 1;
+ b >>= 1;
+ if (carry) {
+ crc = ((crc ^ POLYNOMIAL) | carry);
+ }
+ }
+ }
+ return crc >> 26;
+}
diff --git a/net.h b/net.h
index 75a8c155e5..64993b43ef 100644
--- a/net.h
+++ b/net.h
@@ -182,6 +182,9 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
int net_handle_fd_param(Monitor *mon, const char *param);
+#define POLYNOMIAL 0x04c11db6
+unsigned compute_mcast_idx(const uint8_t *ep);
+
#define vmstate_offset_macaddr(_state, _field) \
vmstate_offset_array(_state, _field.a, uint8_t, \
sizeof(typeof_field(_state, _field)))