tg3: Workaround tagged status update bug
On rare occasions, writing the tag to the interrupt mailbox does not
reenable interrupts. This patch fixes the problem by reissuing the
mailbox update.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 5b3d2f3..3c113c1 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2800,6 +2800,7 @@
struct tg3 *tp;
struct tg3_hw_status *hw_status;
+ u32 chk_msi_cnt;
u32 last_tag;
u32 last_irq_tag;
u32 int_mbox;
@@ -2807,6 +2808,7 @@
u32 consmbox ____cacheline_aligned;
u32 rx_rcb_ptr;
+ u32 last_rx_cons;
u16 *rx_rcb_prod_idx;
struct tg3_rx_prodring_set prodring;
struct tg3_rx_buffer_desc *rx_rcb;
@@ -2814,6 +2816,7 @@
u32 tx_prod ____cacheline_aligned;
u32 tx_cons;
u32 tx_pending;
+ u32 last_tx_cons;
u32 prodmbox;
struct tg3_tx_buffer_desc *tx_ring;
struct ring_info *tx_buffers;