[Qemu-devel] [PATCH 3/4] pcnet: switch lnc_mchash() over to use net_crc32_le()

[Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>]

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/net/pcnet.c |   16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
index 6544553..c050993 100644
--- a/hw/net/pcnet.c
+++ b/hw/net/pcnet.c
@@ -522,23 +522,9 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd,
            be16_to_cpu(hdr->ether_type));       \
 } while (0)
 
-#define MULTICAST_FILTER_LEN 8
-
 static inline uint32_t lnc_mchash(const uint8_t *ether_addr)
 {
-#define LNC_POLYNOMIAL          0xEDB88320UL
-    uint32_t crc = 0xFFFFFFFF;
-    int idx, bit;
-    uint8_t data;
-
-    for (idx = 0; idx < 6; idx++) {
-        for (data = *ether_addr++, bit = 0; bit < MULTICAST_FILTER_LEN; bit++) {
-            crc = (crc >> 1) ^ (((crc ^ data) & 1) ? LNC_POLYNOMIAL : 0);
-            data >>= 1;
-        }
-    }
-    return crc;
-#undef LNC_POLYNOMIAL
+    return net_crc32_le(ether_addr, 6);
 }
 
 #define CRC(crc, ch)	 (crc = (crc >> 8) ^ crctab[(crc ^ (ch)) & 0xff])
-- 
1.7.10.4