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authorMatt Carlson <mcarlson@broadcom.com>2011-11-21 15:01:19 (GMT)
committerDavid S. Miller <davem@davemloft.net>2011-11-22 21:01:34 (GMT)
commitfa6b2aae6ab5ae1ce4b65c1872477c4b794d338e (patch)
tree17f78d2c446cc1a13f68ca9f13930c0ff8b38047
parent513aa6ea39adfc9daf5b4bc33b49008733c3eb51 (diff)
downloadlinux-fa6b2aae6ab5ae1ce4b65c1872477c4b794d338e.tar.xz
tg3: Restrict large prod ring cap devices
Future devices may or may not be capable of supporting larger rx producer rings. This patch changes the code so that this flag is set on an ASIC rev to ASIC rev basis. Also, this patch changes a place where the LRG_PROD_RING_CAP flag was not controlling how the rx standard producer ring size was set. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 09d2003..6a25e58 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8553,10 +8553,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
}
if (tg3_flag(tp, 57765_PLUS)) {
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
- val = TG3_RX_STD_MAX_SIZE_5700;
- else
- val = TG3_RX_STD_MAX_SIZE_5717;
+ val = TG3_RX_STD_RING_SIZE(tp);
val <<= BDINFO_FLAGS_MAXLEN_SHIFT;
val |= (TG3_RX_STD_DMA_SZ << 2);
} else
@@ -14008,7 +14005,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
tg3_flag_set(tp, 4K_FIFO_LIMIT);
- if (tg3_flag(tp, 5717_PLUS))
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720)
tg3_flag_set(tp, LRG_PROD_RING_CAP);
if (tg3_flag(tp, 57765_PLUS) &&