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path: root/drivers/net/tg3.c
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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 4c4d164a4b4..606703cf961 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6967,19 +6967,16 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
NIC_SRAM_RX_BUFFER_DESC);
- /* Don't even try to program the JUMBO/MINI buffer descriptor
- * configs on 5705.
- */
- if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
- tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
- RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
- } else {
- tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
- RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
-
+ /* Disable the mini ring */
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
BDINFO_FLAGS_DISABLED);
+ /* Program the jumbo buffer descriptor ring control
+ * blocks on those devices that have them.
+ */
+ if ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) &&
+ !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
/* Setup replenish threshold. */
tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
@@ -6997,7 +6994,11 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
BDINFO_FLAGS_DISABLED);
}
- }
+ val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
+ } else
+ val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
+
+ tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
/* There is only one send ring on 5705/5750, no need to explicitly
* disable the others.