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tg3: Off-by-one error in RSS setup

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The driver was incorrectly programming the indirection table such that
rx traffic intended for the second ring went to the first ring, rx
traffic intended for the third ring went to the second ring, etc.  This
patch changes the code so that rx traffic is diverted to the proper
ring.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2010-06-05 17:24:33 +00:00 committed by David S. Miller
parent b28f6428af
commit 2601d8a004
1 changed files with 1 additions and 1 deletions
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drivers/net/tg3.c
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@ -8228,7 +8228,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
int idx = i % sizeof(val);
ent[idx] = i % (tp->irq_cnt - 1);
ent[idx] = (i % (tp->irq_cnt - 1)) + 1;
if (idx == sizeof(val) - 1) {
tw32(reg, val);
reg += 4;