aboutsummaryrefslogtreecommitdiff
path: root/net/net.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/net.c')
-rw-r--r--net/net.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/net/net.c b/net/net.c
index 39ef546708..2b81c93193 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1565,13 +1565,6 @@ int net_init_clients(void)
int net_client_parse(QemuOptsList *opts_list, const char *optarg)
{
-#if defined(CONFIG_SLIRP)
- int ret;
- if (net_slirp_parse_legacy(opts_list, optarg, &ret)) {
- return ret;
- }
-#endif
-
if (!qemu_opts_parse_noisily(opts_list, optarg, true)) {
return -1;
}
@@ -1581,25 +1574,48 @@ int net_client_parse(QemuOptsList *opts_list, const char *optarg)
/* From FreeBSD */
/* XXX: optimize */
-unsigned compute_mcast_idx(const uint8_t *ep)
+uint32_t net_crc32(const uint8_t *p, int len)
{
uint32_t crc;
int carry, i, j;
uint8_t b;
crc = 0xffffffff;
- for (i = 0; i < 6; i++) {
- b = *ep++;
+ for (i = 0; i < len; i++) {
+ b = *p++;
for (j = 0; j < 8; j++) {
carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
crc <<= 1;
b >>= 1;
if (carry) {
- crc = ((crc ^ POLYNOMIAL) | carry);
+ crc = ((crc ^ POLYNOMIAL_BE) | carry);
}
}
}
- return crc >> 26;
+
+ return crc;
+}
+
+uint32_t net_crc32_le(const uint8_t *p, int len)
+{
+ uint32_t crc;
+ int carry, i, j;
+ uint8_t b;
+
+ crc = 0xffffffff;
+ for (i = 0; i < len; i++) {
+ b = *p++;
+ for (j = 0; j < 8; j++) {
+ carry = (crc & 0x1) ^ (b & 0x01);
+ crc >>= 1;
+ b >>= 1;
+ if (carry) {
+ crc ^= POLYNOMIAL_LE;
+ }
+ }
+ }
+
+ return crc;
}
QemuOptsList qemu_netdev_opts = {