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nfp: add .ndo_init() and .ndo_uninit() callbacks

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BPF code should unregister the offload capabilities from .ndo_uninit(),
to make sure the operation is atomic with unlist_netdevice().  Plumb
the init/uninit NDOs for vNICs and representors.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski 2018-07-17 10:53:22 -07:00 committed by Daniel Borkmann
parent d6d6071388
commit 4612bebfa3
4 changed files with 29 additions and 0 deletions
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17
drivers/net/ethernet/netronome/nfp/nfp_app.c
View File

@ -86,6 +86,23 @@ const char *nfp_app_mip_name(struct nfp_app *app)
return nfp_mip_name(app->pf->mip);
}
int nfp_app_ndo_init(struct net_device *netdev)
{
struct nfp_app *app = nfp_app_from_netdev(netdev);
if (!app || !app->type->ndo_init)
return 0;
return app->type->ndo_init(app, netdev);
}
void nfp_app_ndo_uninit(struct net_device *netdev)
{
struct nfp_app *app = nfp_app_from_netdev(netdev);
if (app && app->type->ndo_uninit)
app->type->ndo_uninit(app, netdev);
}
u64 *nfp_app_port_get_stats(struct nfp_port *port, u64 *data)
{
if (!port || !port->app || !port->app->type->port_get_stats)

8
drivers/net/ethernet/netronome/nfp/nfp_app.h
View File

@ -78,6 +78,8 @@ extern const struct nfp_app_type app_abm;
* @init: perform basic app checks and init
* @clean: clean app state
* @extra_cap: extra capabilities string
* @ndo_init: vNIC and repr netdev .ndo_init
* @ndo_uninit: vNIC and repr netdev .ndo_unint
* @vnic_alloc: allocate vNICs (assign port types, etc.)
* @vnic_free: free up app's vNIC state
* @vnic_init: vNIC netdev was registered
@ -117,6 +119,9 @@ struct nfp_app_type {
const char *(*extra_cap)(struct nfp_app *app, struct nfp_net *nn);
int (*ndo_init)(struct nfp_app *app, struct net_device *netdev);
void (*ndo_uninit)(struct nfp_app *app, struct net_device *netdev);
int (*vnic_alloc)(struct nfp_app *app, struct nfp_net *nn,
unsigned int id);
void (*vnic_free)(struct nfp_app *app, struct nfp_net *nn);
@ -200,6 +205,9 @@ static inline void nfp_app_clean(struct nfp_app *app)
app->type->clean(app);
}
int nfp_app_ndo_init(struct net_device *netdev);
void nfp_app_ndo_uninit(struct net_device *netdev);
static inline int nfp_app_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
unsigned int id)
{

2
drivers/net/ethernet/netronome/nfp/nfp_net_common.c
View File

@ -3480,6 +3480,8 @@ static int nfp_net_set_mac_address(struct net_device *netdev, void *addr)
}
const struct net_device_ops nfp_net_netdev_ops = {
.ndo_init = nfp_app_ndo_init,
.ndo_uninit = nfp_app_ndo_uninit,
.ndo_open = nfp_net_netdev_open,
.ndo_stop = nfp_net_netdev_close,
.ndo_start_xmit = nfp_net_tx,

2
drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
View File

@ -262,6 +262,8 @@ err_port_disable:
}
const struct net_device_ops nfp_repr_netdev_ops = {
.ndo_init = nfp_app_ndo_init,
.ndo_uninit = nfp_app_ndo_uninit,
.ndo_open = nfp_repr_open,
.ndo_stop = nfp_repr_stop,
.ndo_start_xmit = nfp_repr_xmit,