Commit 4a85f098 authored by Matt Carlson's avatar Matt Carlson Committed by David S. Miller
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tg3: Nullify RSS for loopback test



The loopback test assumes all traffic goes to the first rx queue.  There
is a 1 in 4 chance this won't be true if RSS is enabled though.  This
patch reprograms the RSS indirection table to route all rx packets to
the first queue.
Signed-off-by: default avatarMatt Carlson <mcarlson@broadcom.com>
Reviewed-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eb07a940
......@@ -11269,6 +11269,15 @@ static int tg3_test_loopback(struct tg3 *tp)
goto done;
}
if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
int i;
/* Reroute all rx packets to the 1st queue */
for (i = MAC_RSS_INDIR_TBL_0;
i < MAC_RSS_INDIR_TBL_0 + TG3_RSS_INDIR_TBL_SIZE; i += 4)
tw32(i, 0x0);
}
/* Turn off gphy autopowerdown. */
if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
tg3_phy_toggle_apd(tp, false);
......
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