svn commit: r337441 - head/sys/dev/usb/net

[Kevin Lo]

Author: kevlo
Date: Wed Aug  8 01:20:02 2018
New Revision: 337441
URL: https://svnweb.freebsd.org/changeset/base/337441

Log:
  - Fix hash calculation by MAC address
  - Since rx_cmd_c is an uint16_t, use le16toh() instead of le32toh()
  
  Reviewed by:	emaste

Modified:
  head/sys/dev/usb/net/if_muge.c

Modified: head/sys/dev/usb/net/if_muge.c
==============================================================================
--- head/sys/dev/usb/net/if_muge.c	Tue Aug  7 23:03:50 2018	(r337440)
+++ head/sys/dev/usb/net/if_muge.c	Wed Aug  8 01:20:02 2018	(r337441)
@@ -1196,7 +1196,7 @@ muge_bulk_read_callback(struct usb_xfer *xfer, usb_err
 				goto tr_setup;
 			usbd_copy_out(pc, off, &rx_cmd_c, sizeof(rx_cmd_c));
 			off += (sizeof(rx_cmd_c));
-			rx_cmd_c = le32toh(rx_cmd_c);
+			rx_cmd_c = le16toh(rx_cmd_c);
 
 			if (off > actlen)
 				goto tr_setup;
@@ -1891,7 +1891,7 @@ muge_multicast_write(struct muge_softc *sc)
 static inline uint32_t
 muge_hash(uint8_t addr[ETHER_ADDR_LEN])
 {
-	return (ether_crc32_be(addr, ETHER_ADDR_LEN) >> 26) & 0x3f;
+	return (ether_crc32_be(addr, ETHER_ADDR_LEN) >> 23) & 0x1ff;
 }
 
 /**