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[net-next,12/13] tg3: Apply rx_discards fix to 5719/5720

Message ID 1305843176-32358-13-git-send-email-mcarlson@broadcom.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Matt Carlson May 19, 2011, 10:12 p.m. UTC 
Commit 4d95847381228639844c7197deb8b2211274ef22, entitled
"tg3: Workaround rx_discards stat bug", was intended to be applied to
the 5717, 5718, 5719_A0, and 5720 A0 chip revisions.  The implementation
missed the latter two when applying the fix in a critical area.  This
patch fixes the problem.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
---
 drivers/net/tg3.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index eb8dc7b..8311f8e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8797,7 +8797,9 @@  static void tg3_periodic_fetch_stats(struct tg3 *tp)
 	TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
 
 	TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
+	    tp->pci_chip_rev_id != CHIPREV_ID_5719_A0 &&
+	    tp->pci_chip_rev_id != CHIPREV_ID_5720_A0) {
 		TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
 	} else {
 		u32 val = tr32(HOSTCC_FLOW_ATTN);