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authorSimon Horman <simon.horman@netronome.com>2017-05-26 01:03:32 -0700
committerDavid S. Miller <davem@davemloft.net>2017-05-26 11:01:48 -0400
commit1851f93fd2ee3dc0f3a6813385010a5d7ec1aabd (patch)
treefae82747ec830276a28742b979ff91bc3a2088f1 /drivers/net/ethernet/netronome/nfp/nfp_main.c
parentnfp: move mutex init out of net code (diff)
downloadlinux-dev-1851f93fd2ee3dc0f3a6813385010a5d7ec1aabd.tar.xz
linux-dev-1851f93fd2ee3dc0f3a6813385010a5d7ec1aabd.zip
nfp: add devlink support
Add initial devlink support. This patch simply switches allocation of per-adapter structure to devlink's priv and register devlink with empty ops table. See following patches for implementation of particular ops. We should now clear the app pointer on exit, this is how devlink callbacks will know app is not initialized. Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_main.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_main.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
index 3a131559153a..f22f56c9218f 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -45,6 +45,7 @@
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/vermagic.h>
+#include <net/devlink.h>
#include "nfpcore/nfp.h"
#include "nfpcore/nfp_cpp.h"
@@ -316,6 +317,7 @@ static void nfp_fw_unload(struct nfp_pf *pf)
static int nfp_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *pci_id)
{
+ struct devlink *devlink;
struct nfp_pf *pf;
int err;
@@ -336,11 +338,12 @@ static int nfp_pci_probe(struct pci_dev *pdev,
goto err_pci_disable;
}
- pf = kzalloc(sizeof(*pf), GFP_KERNEL);
- if (!pf) {
+ devlink = devlink_alloc(&nfp_devlink_ops, sizeof(*pf));
+ if (!devlink) {
err = -ENOMEM;
goto err_rel_regions;
}
+ pf = devlink_priv(devlink);
INIT_LIST_HEAD(&pf->vnics);
INIT_LIST_HEAD(&pf->ports);
mutex_init(&pf->lock);
@@ -362,10 +365,14 @@ static int nfp_pci_probe(struct pci_dev *pdev,
nfp_hwinfo_lookup(pf->cpp, "assembly.revision"),
nfp_hwinfo_lookup(pf->cpp, "cpld.version"));
- err = nfp_nsp_init(pdev, pf);
+ err = devlink_register(devlink, &pdev->dev);
if (err)
goto err_cpp_free;
+ err = nfp_nsp_init(pdev, pf);
+ if (err)
+ goto err_devlink_unreg;
+
nfp_pcie_sriov_read_nfd_limit(pf);
err = nfp_net_pci_probe(pf);
@@ -378,12 +385,14 @@ err_fw_unload:
if (pf->fw_loaded)
nfp_fw_unload(pf);
kfree(pf->eth_tbl);
+err_devlink_unreg:
+ devlink_unregister(devlink);
err_cpp_free:
nfp_cpp_free(pf->cpp);
err_disable_msix:
pci_set_drvdata(pdev, NULL);
mutex_destroy(&pf->lock);
- kfree(pf);
+ devlink_free(devlink);
err_rel_regions:
pci_release_regions(pdev);
err_pci_disable:
@@ -395,11 +404,16 @@ err_pci_disable:
static void nfp_pci_remove(struct pci_dev *pdev)
{
struct nfp_pf *pf = pci_get_drvdata(pdev);
+ struct devlink *devlink;
+
+ devlink = priv_to_devlink(pf);
nfp_net_pci_remove(pf);
nfp_pcie_sriov_disable(pdev);
+ devlink_unregister(devlink);
+
if (pf->fw_loaded)
nfp_fw_unload(pf);
@@ -408,7 +422,7 @@ static void nfp_pci_remove(struct pci_dev *pdev)
kfree(pf->eth_tbl);
mutex_destroy(&pf->lock);
- kfree(pf);
+ devlink_free(devlink);
pci_release_regions(pdev);
pci_disable_device(pdev);
}