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tg3: Fix UDP fragments treated as RMCP

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The 5762 devices sometimes incorrectly treat udp fragments as RMCP
packets and route to the APE. This patch sets the RX_MODE_IPV4_FRAG_FIX
bit for these devices which enables the proper behaviour.

Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nithin Sujir 2013-07-29 13:58:39 -07:00 committed by David S. Miller
parent 92e6457d4c
commit 378b72c873
2 changed files with 4 additions and 0 deletions
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3
drivers/net/ethernet/broadcom/tg3.c
View File

@ -10420,6 +10420,9 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
if (tg3_flag(tp, 5755_PLUS))
tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
if (tg3_asic_rev(tp) == ASIC_REV_5762)
tp->rx_mode |= RX_MODE_IPV4_FRAG_FIX;
if (tg3_flag(tp, ENABLE_RSS))
tp->rx_mode |= RX_MODE_RSS_ENABLE |
RX_MODE_RSS_ITBL_HASH_BITS_7 |

1
drivers/net/ethernet/broadcom/tg3.h
View File

@ -532,6 +532,7 @@
#define RX_MODE_RSS_ITBL_HASH_BITS_7 0x00700000
#define RX_MODE_RSS_ENABLE 0x00800000
#define RX_MODE_IPV6_CSUM_ENABLE 0x01000000
#define RX_MODE_IPV4_FRAG_FIX 0x02000000
#define MAC_RX_STATUS 0x0000046c
#define RX_STATUS_REMOTE_TX_XOFFED 0x00000001
#define RX_STATUS_XOFF_RCVD 0x00000002