diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2016-04-28 13:23:18 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-29 13:41:46 -0400 |
| commit | 7f080c3f2ff091c095248f670bb34308f141ff7a (patch) | |
| tree | 0a5ae76f17f745a5f894779d3d7100d9843923ca /drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | |
| parent | 482f13aa5e13819acad0ff4fb94f6fb0364522f0 (diff) | |
| download | blackbird-op-linux-7f080c3f2ff091c095248f670bb34308f141ff7a.tar.gz blackbird-op-linux-7f080c3f2ff091c095248f670bb34308f141ff7a.zip | |
cxgb4: Add support to enable logging of firmware mailbox commands
Add new /sys/kernel/debug/ support to dump a firmware mailbox command
issued and replies for debugging purpose.
Based on original work by Casey Leedom <leedom@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 4f627f3edb98..d7f40436f319 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4909,6 +4909,16 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_free_adapter; } + adapter->mbox_log = kzalloc(sizeof(*adapter->mbox_log) + + (sizeof(struct mbox_cmd) * + T4_OS_LOG_MBOX_CMDS), + GFP_KERNEL); + if (!adapter->mbox_log) { + err = -ENOMEM; + goto out_free_adapter; + } + adapter->mbox_log->size = T4_OS_LOG_MBOX_CMDS; + /* PCI device has been enabled */ adapter->flags |= DEV_ENABLED; @@ -5167,6 +5177,7 @@ sriov: if (adapter->workq) destroy_workqueue(adapter->workq); + kfree(adapter->mbox_log); kfree(adapter); out_unmap_bar0: iounmap(regs); @@ -5233,6 +5244,7 @@ static void remove_one(struct pci_dev *pdev) adapter->flags &= ~DEV_ENABLED; } pci_release_regions(pdev); + kfree(adapter->mbox_log); synchronize_rcu(); kfree(adapter); } else |
