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path: root/drivers/net/ethernet/netronome/nfp/abm/main.c
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/abm/main.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/abm/main.c42
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.c b/drivers/net/ethernet/netronome/nfp/abm/main.c
index 3d15de0ae271..a5732d3bd1b7 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/main.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/main.c
@@ -2,10 +2,12 @@
/* Copyright (C) 2018 Netronome Systems, Inc. */
#include <linux/bitfield.h>
+#include <linux/bitmap.h>
#include <linux/etherdevice.h>
#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/rcupdate.h>
+#include <linux/rtnetlink.h>
#include <linux/slab.h>
#include "../nfpcore/nfp.h"
@@ -36,6 +38,8 @@ nfp_abm_setup_tc(struct nfp_app *app, struct net_device *netdev,
return -EOPNOTSUPP;
switch (type) {
+ case TC_SETUP_ROOT_QDISC:
+ return nfp_abm_setup_root(netdev, repr->app_priv, type_data);
case TC_SETUP_QDISC_MQ:
return nfp_abm_setup_tc_mq(netdev, repr->app_priv, type_data);
case TC_SETUP_QDISC_RED:
@@ -307,31 +311,23 @@ nfp_abm_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
alink->abm = abm;
alink->vnic = nn;
alink->id = id;
- alink->parent = TC_H_ROOT;
alink->total_queues = alink->vnic->max_rx_rings;
- alink->qdiscs = kvcalloc(alink->total_queues, sizeof(*alink->qdiscs),
- GFP_KERNEL);
- if (!alink->qdiscs) {
- err = -ENOMEM;
- goto err_free_alink;
- }
/* This is a multi-host app, make sure MAC/PHY is up, but don't
* make the MAC/PHY state follow the state of any of the ports.
*/
err = nfp_eth_set_configured(app->cpp, eth_port->index, true);
if (err < 0)
- goto err_free_qdiscs;
+ goto err_free_alink;
netif_keep_dst(nn->dp.netdev);
nfp_abm_vnic_set_mac(app->pf, abm, nn, id);
nfp_abm_ctrl_read_params(alink);
+ INIT_RADIX_TREE(&alink->qdiscs, GFP_KERNEL);
return 0;
-err_free_qdiscs:
- kvfree(alink->qdiscs);
err_free_alink:
kfree(alink);
return err;
@@ -342,7 +338,7 @@ static void nfp_abm_vnic_free(struct nfp_app *app, struct nfp_net *nn)
struct nfp_abm_link *alink = nn->app_priv;
nfp_abm_kill_reprs(alink->abm, alink);
- kvfree(alink->qdiscs);
+ WARN(!radix_tree_empty(&alink->qdiscs), "left over qdiscs\n");
kfree(alink);
}
@@ -398,6 +394,7 @@ static int nfp_abm_init(struct nfp_app *app)
struct nfp_pf *pf = app->pf;
struct nfp_reprs *reprs;
struct nfp_abm *abm;
+ unsigned int i;
int err;
if (!pf->eth_tbl) {
@@ -424,15 +421,28 @@ static int nfp_abm_init(struct nfp_app *app)
if (err)
goto err_free_abm;
+ err = -ENOMEM;
+ abm->num_thresholds = NFP_NET_MAX_RX_RINGS;
+ abm->threshold_undef = bitmap_zalloc(abm->num_thresholds, GFP_KERNEL);
+ if (!abm->threshold_undef)
+ goto err_free_abm;
+
+ abm->thresholds = kvcalloc(abm->num_thresholds,
+ sizeof(*abm->thresholds), GFP_KERNEL);
+ if (!abm->thresholds)
+ goto err_free_thresh_umap;
+ for (i = 0; i < NFP_NET_MAX_RX_RINGS; i++)
+ __nfp_abm_ctrl_set_q_lvl(abm, i, NFP_ABM_LVL_INFINITY);
+
/* We start in legacy mode, make sure advanced queuing is disabled */
err = nfp_abm_ctrl_qm_disable(abm);
if (err)
- goto err_free_abm;
+ goto err_free_thresh;
err = -ENOMEM;
reprs = nfp_reprs_alloc(pf->max_data_vnics);
if (!reprs)
- goto err_free_abm;
+ goto err_free_thresh;
RCU_INIT_POINTER(app->reprs[NFP_REPR_TYPE_PHYS_PORT], reprs);
reprs = nfp_reprs_alloc(pf->max_data_vnics);
@@ -444,6 +454,10 @@ static int nfp_abm_init(struct nfp_app *app)
err_free_phys:
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PHYS_PORT);
+err_free_thresh:
+ kvfree(abm->thresholds);
+err_free_thresh_umap:
+ bitmap_free(abm->threshold_undef);
err_free_abm:
kfree(abm);
app->priv = NULL;
@@ -457,6 +471,8 @@ static void nfp_abm_clean(struct nfp_app *app)
nfp_abm_eswitch_clean_up(abm);
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PF);
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PHYS_PORT);
+ bitmap_free(abm->threshold_undef);
+ kvfree(abm->thresholds);
kfree(abm);
app->priv = NULL;
}