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authorMichael Chan <mchan@broadcom.com>2014-03-01 03:05:10 +0400
committerDavid S. Miller <davem@davemloft.net>2014-03-01 02:16:16 +0400
commitd7b95315cc7f441418845a165ee56df723941487 (patch)
tree8b9fdf437d25d275dc40067ba240142b777477a1 /drivers/net
parentaccfe0e356327da5bd53da8852b93fc22de9b5fc (diff)
downloadlinux-d7b95315cc7f441418845a165ee56df723941487.tar.xz
tg3: Don't check undefined error bits in RXBD
Redefine the RXD_ERR_MASK to include only relevant error bits. This fixes a customer reported issue of randomly dropping packets on the 5719. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h6
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 3167ed6593b0..3b6d0ba86c71 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6843,8 +6843,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
work_mask |= opaque_key;
- if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
- (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
+ if (desc->err_vlan & RXD_ERR_MASK) {
drop_it:
tg3_recycle_rx(tnapi, tpr, opaque_key,
desc_idx, *post_ptr);
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index ef472385bce4..04321e5a356e 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -2608,7 +2608,11 @@ struct tg3_rx_buffer_desc {
#define RXD_ERR_TOO_SMALL 0x00400000
#define RXD_ERR_NO_RESOURCES 0x00800000
#define RXD_ERR_HUGE_FRAME 0x01000000
-#define RXD_ERR_MASK 0xffff0000
+
+#define RXD_ERR_MASK (RXD_ERR_BAD_CRC | RXD_ERR_COLLISION | \
+ RXD_ERR_LINK_LOST | RXD_ERR_PHY_DECODE | \
+ RXD_ERR_MAC_ABRT | RXD_ERR_TOO_SMALL | \
+ RXD_ERR_NO_RESOURCES | RXD_ERR_HUGE_FRAME)
u32 reserved;
u32 opaque;