Commit eedeaee7 authored by Mark Cave-Ayland's avatar Mark Cave-Ayland Committed by Jason Wang
Browse files

lan9118: use inline net_crc32() and bitshift instead of compute_mcast_idx() 



This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.

Signed-off-by: default avatarMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
parent 308913bb

hw/net/lan9118.c

+2 −1
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "qemu/osdep.h"

#include "hw/sysbus.h"

#include "net/net.h"

#include "net/eth.h"

#include "hw/devices.h"

#include "sysemu/sysemu.h"

#include "hw/ptimer.h"
@@ -504,7 +505,7 @@ static int lan9118_filter(lan9118_state *s, const uint8_t *addr) 
        }

    } else {

        /* Hash matching  */

        hash = compute_mcast_idx(addr);

        hash = net_crc32(addr, ETH_ALEN) >> 26;

        if (hash & 0x20) {

            return (s->mac_hashh >> (hash & 0x1f)) & 1;

        } else {