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tg3: Don't check undefined error bits in RXBD

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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>
This commit is contained in:
Michael Chan 2014-02-28 15:05:10 -08:00 committed by David S. Miller
parent accfe0e356
commit d7b95315cc
2 changed files with 6 additions and 3 deletions
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3
drivers/net/ethernet/broadcom/tg3.c
View File

@ -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);

6
drivers/net/ethernet/broadcom/tg3.h
View File

@ -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;