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From: Jiri Pirko <jiri@resnulli•us>
To: netdev@vger•kernel.org
Cc: davem@davemloft•net, jhs@mojatatu•com, xiyou.wangcong@gmail•com,
	mlxsw@mellanox•com, andrew@lunn•ch,
	vivien.didelot@savoirfairelinux•com, f.fainelli@gmail•com,
	michael.chan@broadcom•com, ganeshgr@chelsio•com,
	jeffrey.t.kirsher@intel•com, saeedm@mellanox•com,
	matanb@mellanox•com, leonro@mellanox•com, idosch@mellanox•com,
	jakub.kicinski@netronome•com, ast@kernel•org,
	daniel@iogearbox•net, simon.horman@netronome•com,
	pieter.jansenvanvuuren@netronome•com, john.hurley@netronome•com,
	alexander.h.duyck@intel•com
Subject: [patch net-next 16/20] nfp: bpf: Convert ndo_setup_tc offloads to block callbacks
Date: Tue, 17 Oct 2017 22:06:11 +0200	[thread overview]
Message-ID: <20171017200615.4530-17-jiri@resnulli.us> (raw)
In-Reply-To: <20171017200615.4530-1-jiri@resnulli.us>

From: Jiri Pirko <jiri@mellanox•com>

Benefit from the newly introduced block callback infrastructure and
convert ndo_setup_tc calls for bpf offloads to block callbacks.

Signed-off-by: Jiri Pirko <jiri@mellanox•com>
---
 drivers/net/ethernet/netronome/nfp/bpf/main.c | 54 ++++++++++++++++++++++-----
 1 file changed, 45 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c b/drivers/net/ethernet/netronome/nfp/bpf/main.c
index 6e74f8d..64f97b3 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c
@@ -114,22 +114,58 @@ static void nfp_bpf_vnic_free(struct nfp_app *app, struct nfp_net *nn)
 	kfree(nn->app_priv);
 }
 
-static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
-			    enum tc_setup_type type, void *type_data)
+static int nfp_bpf_setup_tc_block_cb(enum tc_setup_type type,
+				     void *type_data, void *cb_priv)
 {
 	struct tc_cls_bpf_offload *cls_bpf = type_data;
+	struct nfp_net *nn = cb_priv;
+
+	switch (type) {
+	case TC_SETUP_CLSBPF:
+		if (!nfp_net_ebpf_capable(nn) ||
+		    cls_bpf->common.protocol != htons(ETH_P_ALL) ||
+		    cls_bpf->common.chain_index)
+			return -EOPNOTSUPP;
+		return nfp_net_bpf_offload(nn, cls_bpf);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int nfp_bpf_setup_tc_block(struct net_device *netdev,
+				  struct tc_block_offload *f)
+{
 	struct nfp_net *nn = netdev_priv(netdev);
 
-	if (type != TC_SETUP_CLSBPF || !nfp_net_ebpf_capable(nn) ||
-	    !is_classid_clsact_ingress(cls_bpf->common.classid) ||
-	    cls_bpf->common.protocol != htons(ETH_P_ALL) ||
-	    cls_bpf->common.chain_index)
+	if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
 		return -EOPNOTSUPP;
 
-	if (nn->dp.bpf_offload_xdp)
-		return -EBUSY;
+	switch (f->command) {
+	case TC_BLOCK_BIND:
+		return tcf_block_cb_register(f->block,
+					     nfp_bpf_setup_tc_block_cb,
+					     nn, nn);
+	case TC_BLOCK_UNBIND:
+		tcf_block_cb_unregister(f->block,
+					nfp_bpf_setup_tc_block_cb,
+					nn);
+		return 0;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
 
-	return nfp_net_bpf_offload(nn, cls_bpf);
+static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
+			    enum tc_setup_type type, void *type_data)
+{
+	switch (type) {
+	case TC_SETUP_CLSBPF:
+		return 0; /* will be removed after conversion from ndo */
+	case TC_SETUP_BLOCK:
+		return nfp_bpf_setup_tc_block(netdev, type_data);
+	default:
+		return -EOPNOTSUPP;
+	}
 }
 
 static bool nfp_bpf_tc_busy(struct nfp_app *app, struct nfp_net *nn)
-- 
2.9.5

  parent reply	other threads:[~2017-10-17 20:06 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-17 20:05 [patch net-next 00/20] net: sched: convert cls ndo_setup_tc offload calls to per-block callbacks Jiri Pirko
2017-10-17 20:05 ` [patch net-next 01/20] net: sched: add block bind/unbind notif. and extended block_get/put Jiri Pirko
2017-10-17 20:22   ` Duyck, Alexander H
2017-10-18  6:59     ` Jiri Pirko
2017-10-19 12:23   ` David Miller
2017-10-19 13:13     ` Jiri Pirko
2017-10-17 20:05 ` [patch net-next 02/20] net: sched: use extended variants of block_get/put in ingress and clsact qdiscs Jiri Pirko
2017-10-17 20:05 ` [patch net-next 03/20] net: sched: introduce per-block callbacks Jiri Pirko
2017-10-17 20:05 ` [patch net-next 04/20] net: sched: use tc_setup_cb_call to call " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 05/20] net: sched: cls_matchall: call block callbacks for offload Jiri Pirko
2017-10-17 20:06 ` [patch net-next 06/20] net: sched: cls_u32: swap u32_remove_hw_knode and u32_remove_hw_hnode Jiri Pirko
2017-10-17 20:06 ` [patch net-next 07/20] net: sched: cls_u32: call block callbacks for offload Jiri Pirko
2017-10-17 20:06 ` [patch net-next 08/20] net: sched: cls_bpf: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 09/20] mlxsw: spectrum: Convert ndo_setup_tc offloads to block callbacks Jiri Pirko
2017-10-17 20:06 ` [patch net-next 10/20] mlx5e: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 11/20] bnxt: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 12/20] cxgb4: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 13/20] ixgbe: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 14/20] mlx5e_rep: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 15/20] nfp: flower: " Jiri Pirko
2017-10-17 20:06 ` Jiri Pirko [this message]
2017-10-17 20:06 ` [patch net-next 17/20] dsa: " Jiri Pirko
2017-10-17 20:06 ` [patch net-next 18/20] net: sched: avoid ndo_setup_tc calls for TC_SETUP_CLS* Jiri Pirko
2017-10-17 20:06 ` [patch net-next 19/20] net: sched: remove unused classid field from tc_cls_common_offload Jiri Pirko
2017-10-17 20:06 ` [patch net-next 20/20] net: sched: remove unused is_classid_clsact_ingress/egress helpers Jiri Pirko

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