From f8d59f7826aa73c5e7682fbed6db38020635d466 Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Fri, 8 Aug 2008 18:36:11 -0700 Subject: 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 Signed-off-by: Jeff Kirsher Signed-off-by: Jeff Garzik --- drivers/net/e1000e/e1000.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/e1000e/e1000.h') diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index cf57050d99d..ac4e506b4f8 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])) -- cgit v1.2.3