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| author |   Bruce Allan <bruce.w.allan@intel.com> | 2008-08-08 18:36:11 -0700 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@redhat.com> | 2008-08-14 04:42:29 -0400 |
| commit | f8d59f7826aa73c5e7682fbed6db38020635d466 (patch) | |
| tree | 1287e3ee3e5af9adf3b59bce6f70f3823997d875 /drivers/net/e1000e/e1000.h | |
| parent | e1000e: increase minimum frame size allowed (diff) | |
| download | linux-dev-f8d59f7826aa73c5e7682fbed6db38020635d466.tar.xz linux-dev-f8d59f7826aa73c5e7682fbed6db38020635d466.zip | |
e1000e: test for unusable MSI support
Some systems do not like 82571/2 use of 16-bit MSI messages and some
other systems claim to support MSI, but neither really works. Setup a
test MSI handler to detect whether or not MSI is working properly, and
if not, fallback to legacy INTx interrupts.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/e1000e/e1000.h')
| -rw-r--r-- | drivers/net/e1000e/e1000.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index cf57050d99d8..ac4e506b4f88 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -326,6 +326,7 @@ struct e1000_info { #define FLAG_RX_CSUM_ENABLED (1 << 28) #define FLAG_TSO_FORCE (1 << 29) #define FLAG_RX_RESTART_NOW (1 << 30) +#define FLAG_MSI_TEST_FAILED (1 << 31) #define E1000_RX_DESC_PS(R, i) \ (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) |