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authorMatt Carlson <mcarlson@broadcom.com>2011-06-13 13:38:55 +0000
committerDavid S. Miller <davem@conan.davemloft.net>2011-06-15 11:11:55 -0400
commit0e6cf6a9e3cf911577b1dde0dc724f634e4ca119 (patch)
tree8a974393bd1fba47688223f771d3035657d306c4 /drivers/net/tg3.h
parentb96368e9365a4db7429da87cfd25bb54b24954f8 (diff)
downloadop-kernel-dev-0e6cf6a9e3cf911577b1dde0dc724f634e4ca119.zip
op-kernel-dev-0e6cf6a9e3cf911577b1dde0dc724f634e4ca119.tar.gz
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>
Diffstat (limited to 'drivers/net/tg3.h')
-rw-r--r--drivers/net/tg3.h3
1 files changed, 3 insertions, 0 deletions
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_napi {
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 @@ struct tg3_napi {
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 @@ struct tg3_napi {
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;
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