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authorJakub Kicinski <jakub.kicinski@netronome.com>2017-06-23 22:11:59 +0200
committerDavid S. Miller <davem@davemloft.net>2017-06-25 11:42:01 -0400
commit9daee04ae17fb886008ba222fe8150fcc1d0d8cb (patch)
treebc775f1810ae72efbe4137b3921433af8dc7a08f
parent3fcece12bc1b6dcdf0986f2cd9e8f63b1f9b6aa0 (diff)
nfp: devlink add support for getting eswitch mode
Add app callback for reporting eswitch mode. Non-SRIOV apps should not implement this callback, nfp_app code will then respond with -EOPNOTSUPP. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_app.h15
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_devlink.c18
2 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.h b/drivers/net/ethernet/netronome/nfp/nfp_app.h
index f5e373fa8c3b..0fee14ffa081 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_app.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_app.h
@@ -34,6 +34,8 @@
#ifndef _NFP_APP_H
#define _NFP_APP_H 1
+#include <net/devlink.h>
+
struct bpf_prog;
struct net_device;
struct pci_dev;
@@ -70,6 +72,7 @@ extern const struct nfp_app_type app_bpf;
* @setup_tc: setup TC ndo
* @tc_busy: TC HW offload busy (rules loaded)
* @xdp_offload: offload an XDP program
+ * @eswitch_mode_get: get SR-IOV eswitch mode
*/
struct nfp_app_type {
enum nfp_app_id id;
@@ -95,6 +98,8 @@ struct nfp_app_type {
bool (*tc_busy)(struct nfp_app *app, struct nfp_net *nn);
int (*xdp_offload)(struct nfp_app *app, struct nfp_net *nn,
struct bpf_prog *prog);
+
+ enum devlink_eswitch_mode (*eswitch_mode_get)(struct nfp_app *app);
};
/**
@@ -216,6 +221,16 @@ static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb)
app->type->ctrl_msg_rx(app, skb);
}
+static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode)
+{
+ if (!app->type->eswitch_mode_get)
+ return -EOPNOTSUPP;
+
+ *mode = app->type->eswitch_mode_get(app);
+
+ return 0;
+}
+
const char *nfp_app_mip_name(struct nfp_app *app);
struct sk_buff *nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
index 2609a0f28e81..6c9f29c2e975 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
@@ -149,9 +149,27 @@ out:
return ret;
}
+static int nfp_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode)
+{
+ struct nfp_pf *pf = devlink_priv(devlink);
+ int ret;
+
+ mutex_lock(&pf->lock);
+ if (!pf->app) {
+ ret = -EBUSY;
+ goto out;
+ }
+ ret = nfp_app_eswitch_mode_get(pf->app, mode);
+out:
+ mutex_unlock(&pf->lock);
+
+ return ret;
+}
+
const struct devlink_ops nfp_devlink_ops = {
.port_split = nfp_devlink_port_split,
.port_unsplit = nfp_devlink_port_unsplit,
+ .eswitch_mode_get = nfp_devlink_eswitch_mode_get,
};
int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port)