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authorRajesh Borundia <rajesh.borundia@qlogic.com>2010-07-14 17:55:35 -0700
committerDavid S. Miller <davem@davemloft.net>2010-07-14 17:55:35 -0700
commitf8320f059296eb8cab6e2429c7ec79b43d42cf42 (patch)
treea6d9c7b48e6d680e3b6e604c50ace023870cd554 /drivers/net
parentbdb0f8672ff6f601a32df5af40f11526b741985c (diff)
netxen: fix for kdump
When the crash kernel is loaded after crash, the device is in unknown state. So reset the device contexts prior to its creation in case of kdump, depending upon kernel parameter reset_devices. Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/netxen/netxen_nic_ctx.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
index 3a41b6a84a6..12612127a08 100644
--- a/drivers/net/netxen/netxen_nic_ctx.c
+++ b/drivers/net/netxen/netxen_nic_ctx.c
@@ -255,6 +255,19 @@ out_free_rq:
}
static void
+nx_fw_cmd_reset_ctx(struct netxen_adapter *adapter)
+{
+
+ netxen_issue_cmd(adapter, adapter->ahw.pci_func, NXHAL_VERSION,
+ adapter->ahw.pci_func, NX_DESTROY_CTX_RESET, 0,
+ NX_CDRP_CMD_DESTROY_RX_CTX);
+
+ netxen_issue_cmd(adapter, adapter->ahw.pci_func, NXHAL_VERSION,
+ adapter->ahw.pci_func, NX_DESTROY_CTX_RESET, 0,
+ NX_CDRP_CMD_DESTROY_TX_CTX);
+}
+
+static void
nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
{
struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
@@ -685,7 +698,8 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
if (test_and_set_bit(__NX_FW_ATTACHED, &adapter->state))
goto done;
-
+ if (reset_devices)
+ nx_fw_cmd_reset_ctx(adapter);
err = nx_fw_cmd_create_rx_ctx(adapter);
if (err)
goto err_out_free;