提交 4d163b75 编写于 作者: M Matt Carlson 提交者: David S. Miller

tg3: Fix 5719 A0 tx completion bug

The 5719 A0 has a bug that manifests itself as if the chipset were
reordering memory writes.  The best known way to solve this problem is
to turn off LSO and jumbo frames.
Signed-off-by: NMatt Carlson <mcarlson@broadcom.com>
Reviewed-by: NMichael Chan <mchan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 b4495ed8
......@@ -8108,8 +8108,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
/* Program the jumbo buffer descriptor ring control
* blocks on those devices that have them.
*/
if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
if (tp->pci_chip_rev_id == CHIPREV_ID_5719_A0 ||
((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))) {
/* Setup replenish threshold. */
tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
......@@ -13329,7 +13330,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
}
/* Determine TSO capabilities */
if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
if (tp->pci_chip_rev_id == CHIPREV_ID_5719_A0)
; /* Do nothing. HW bug. */
else if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
......@@ -13380,7 +13383,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
}
if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
if ((tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
tp->pci_chip_rev_id != CHIPREV_ID_5719_A0)
tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
......
......@@ -141,6 +141,7 @@
#define CHIPREV_ID_57780_A1 0x57780001
#define CHIPREV_ID_5717_A0 0x05717000
#define CHIPREV_ID_57765_A0 0x57785000
#define CHIPREV_ID_5719_A0 0x05719000
#define GET_ASIC_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 12)
#define ASIC_REV_5700 0x07
#define ASIC_REV_5701 0x00
......
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