diff options
| author | Michael Chan <mchan@broadcom.com> | 2006-06-30 03:15:54 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-30 21:11:57 (GMT) |
| commit | 52c0fd834ea0e7c6ef8616ce0a1f85bac4233ed7 (patch) | |
| tree | 92897bedf97906699f654fd94985fbada0497daa /drivers/net/tg3.h | |
| parent | 1661394e78b3b2cc868cd0e89c1066974302aaca (diff) | |
| download | linux-52c0fd834ea0e7c6ef8616ce0a1f85bac4233ed7.tar.xz | |
[TG3]: Add TSO workaround using GSO
Use GSO to workaround a rare TSO bug on some chips. This hardware
bug may be triggered when the TSO header size is greater than 80
bytes. When this condition is detected in a TSO packet, the driver
will use GSO to segment the packet to workaround the hardware bug.
Thanks to Juergen Kreileder <jk@blackdown.de> for reporting the
problem and collecting traces to help debug the problem.
And thanks to Herbert Xu <herbert@gondor.apana.org.au> for providing
the GSO mechanism that happens to be the perfect workaround for this
problem.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.h')
| -rw-r--r-- | drivers/net/tg3.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 97a8604..ba2c987 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -125,6 +125,7 @@ #define CHIPREV_ID_5750_A0 0x4000 #define CHIPREV_ID_5750_A1 0x4001 #define CHIPREV_ID_5750_A3 0x4003 +#define CHIPREV_ID_5750_C2 0x4202 #define CHIPREV_ID_5752_A0_HW 0x5000 #define CHIPREV_ID_5752_A0 0x6000 #define CHIPREV_ID_5752_A1 0x6001 @@ -2193,7 +2194,7 @@ struct tg3 { #define TG3_FLAG_INIT_COMPLETE 0x80000000 u32 tg3_flags2; #define TG3_FLG2_RESTART_TIMER 0x00000001 -/* 0x00000002 available */ +#define TG3_FLG2_HW_TSO_1_BUG 0x00000002 #define TG3_FLG2_NO_ETH_WIRE_SPEED 0x00000004 #define TG3_FLG2_IS_5788 0x00000008 #define TG3_FLG2_MAX_RXPEND_64 0x00000010 |