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[S2IO]: Making MSIX as default intr_type

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- Making MSIX as default intr_type
- Driver will test MSI-X by issuing test MSI-X vector and if fails it will
  fallback to INTA

Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sivakumar Subramani
2007-09-15 13:11:34 -07:00
committed by David S. Miller
parent 28006c65a7
commit 8abc4d5b84
3 changed files with 98 additions and 3 deletions
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6
drivers/net/s2io.h
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@@ -412,6 +412,10 @@ struct config_param {
struct tx_fifo_config tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */
u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */
u64 tx_intr_type;
#define INTA 0
#define MSI_X 2
u8 intr_type;
/* Specifies if Tx Intr is UTILZ or PER_LIST type. */
/* Rx Side */
@@ -862,6 +866,8 @@ struct s2io_nic {
struct vlan_group *vlgrp;
#define MSIX_FLG 0xA5
struct msix_entry *entries;
int msi_detected;
wait_queue_head_t msi_wait;
struct s2io_msix_entry *s2io_entries;
char desc[MAX_REQUESTED_MSI_X][25];