s2io: add PCI error recovery support

This patch adds PCI error recovery support to the
s2io 10-Gigabit ethernet device driver. Third revision,
blocks interrupts and the watchdog.

Tested, seems to work well.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: Ramkrishna Vepa <Ramkrishna.Vepa@neterion.com>
Cc: Raghavendra Koushik <raghavendra.koushik@neterion.com>
Cc: Wen Xiong <wenxiong@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h
index 54baa0b8ec7c..b9b660702abd 100644
--- a/drivers/net/s2io.h
+++ b/drivers/net/s2io.h
@@ -1052,6 +1052,11 @@ static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro,
                            struct sk_buff *skb, u32 tcp_len);
 static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring);
 
+static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev,
+                                              pci_channel_state_t state);
+static pci_ers_result_t s2io_io_slot_reset(struct pci_dev *pdev);
+static void s2io_io_resume(struct pci_dev *pdev);
+
 #define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size
 #define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size
 #define s2io_offload_type(skb) skb_shinfo(skb)->gso_type