[Qemu-devel] [PATCH 4/4] eepro100: switch e100_compute_mcast_idx() over to use net_crc32()

[Mark Cave-Ayland]

Signed-off-by: Mark Cave-Ayland <address@hidden>
---
 hw/net/eepro100.c |   19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index 5a4774a..4226572 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -327,26 +327,9 @@ static const uint16_t eepro100_mdi_mask[] = {
 
 static E100PCIDeviceInfo *eepro100_get_class(EEPRO100State *s);
 
-/* From FreeBSD (locally modified). */
 static unsigned e100_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;
+    return (net_crc32(ep, 6) & BITS(7, 2)) >> 2;
 }
 
 /* Read a 16 bit control/status (CSR) register. */
-- 
1.7.10.4