1 // SPDX-License-Identifier: GPL-2.0+
2
3 #include <net/pkt_cls.h>
4 #include <net/pkt_sched.h>
5
6 #include "lan966x_main.h"
7
8 static LIST_HEAD(lan966x_tc_block_cb_list);
9
lan966x_tc_setup_qdisc_mqprio(struct lan966x_port * port,struct tc_mqprio_qopt_offload * mqprio)10 static int lan966x_tc_setup_qdisc_mqprio(struct lan966x_port *port,
11 struct tc_mqprio_qopt_offload *mqprio)
12 {
13 u8 num_tc = mqprio->qopt.num_tc;
14
15 mqprio->qopt.hw = TC_MQPRIO_HW_OFFLOAD_TCS;
16
17 return num_tc ? lan966x_mqprio_add(port, num_tc) :
18 lan966x_mqprio_del(port);
19 }
20
lan966x_tc_setup_qdisc_taprio(struct lan966x_port * port,struct tc_taprio_qopt_offload * taprio)21 static int lan966x_tc_setup_qdisc_taprio(struct lan966x_port *port,
22 struct tc_taprio_qopt_offload *taprio)
23 {
24 switch (taprio->cmd) {
25 case TAPRIO_CMD_REPLACE:
26 return lan966x_taprio_add(port, taprio);
27 case TAPRIO_CMD_DESTROY:
28 return lan966x_taprio_del(port);
29 default:
30 return -EOPNOTSUPP;
31 }
32 }
33
lan966x_tc_setup_qdisc_tbf(struct lan966x_port * port,struct tc_tbf_qopt_offload * qopt)34 static int lan966x_tc_setup_qdisc_tbf(struct lan966x_port *port,
35 struct tc_tbf_qopt_offload *qopt)
36 {
37 switch (qopt->command) {
38 case TC_TBF_REPLACE:
39 return lan966x_tbf_add(port, qopt);
40 case TC_TBF_DESTROY:
41 return lan966x_tbf_del(port, qopt);
42 default:
43 return -EOPNOTSUPP;
44 }
45
46 return -EOPNOTSUPP;
47 }
48
lan966x_tc_setup_qdisc_cbs(struct lan966x_port * port,struct tc_cbs_qopt_offload * qopt)49 static int lan966x_tc_setup_qdisc_cbs(struct lan966x_port *port,
50 struct tc_cbs_qopt_offload *qopt)
51 {
52 return qopt->enable ? lan966x_cbs_add(port, qopt) :
53 lan966x_cbs_del(port, qopt);
54 }
55
lan966x_tc_setup_qdisc_ets(struct lan966x_port * port,struct tc_ets_qopt_offload * qopt)56 static int lan966x_tc_setup_qdisc_ets(struct lan966x_port *port,
57 struct tc_ets_qopt_offload *qopt)
58 {
59 switch (qopt->command) {
60 case TC_ETS_REPLACE:
61 return lan966x_ets_add(port, qopt);
62 case TC_ETS_DESTROY:
63 return lan966x_ets_del(port, qopt);
64 default:
65 return -EOPNOTSUPP;
66 };
67
68 return -EOPNOTSUPP;
69 }
70
lan966x_tc_block_cb(enum tc_setup_type type,void * type_data,void * cb_priv,bool ingress)71 static int lan966x_tc_block_cb(enum tc_setup_type type, void *type_data,
72 void *cb_priv, bool ingress)
73 {
74 struct lan966x_port *port = cb_priv;
75
76 switch (type) {
77 case TC_SETUP_CLSMATCHALL:
78 return lan966x_tc_matchall(port, type_data, ingress);
79 case TC_SETUP_CLSFLOWER:
80 return lan966x_tc_flower(port, type_data, ingress);
81 default:
82 return -EOPNOTSUPP;
83 }
84 }
85
lan966x_tc_block_cb_ingress(enum tc_setup_type type,void * type_data,void * cb_priv)86 static int lan966x_tc_block_cb_ingress(enum tc_setup_type type,
87 void *type_data, void *cb_priv)
88 {
89 return lan966x_tc_block_cb(type, type_data, cb_priv, true);
90 }
91
lan966x_tc_block_cb_egress(enum tc_setup_type type,void * type_data,void * cb_priv)92 static int lan966x_tc_block_cb_egress(enum tc_setup_type type,
93 void *type_data, void *cb_priv)
94 {
95 return lan966x_tc_block_cb(type, type_data, cb_priv, false);
96 }
97
lan966x_tc_setup_block(struct lan966x_port * port,struct flow_block_offload * f)98 static int lan966x_tc_setup_block(struct lan966x_port *port,
99 struct flow_block_offload *f)
100 {
101 flow_setup_cb_t *cb;
102 bool ingress;
103
104 if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
105 cb = lan966x_tc_block_cb_ingress;
106 port->tc.ingress_shared_block = f->block_shared;
107 ingress = true;
108 } else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
109 cb = lan966x_tc_block_cb_egress;
110 ingress = false;
111 } else {
112 return -EOPNOTSUPP;
113 }
114
115 return flow_block_cb_setup_simple(f, &lan966x_tc_block_cb_list,
116 cb, port, port, ingress);
117 }
118
lan966x_tc_setup(struct net_device * dev,enum tc_setup_type type,void * type_data)119 int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type,
120 void *type_data)
121 {
122 struct lan966x_port *port = netdev_priv(dev);
123
124 switch (type) {
125 case TC_SETUP_QDISC_MQPRIO:
126 return lan966x_tc_setup_qdisc_mqprio(port, type_data);
127 case TC_SETUP_QDISC_TAPRIO:
128 return lan966x_tc_setup_qdisc_taprio(port, type_data);
129 case TC_SETUP_QDISC_TBF:
130 return lan966x_tc_setup_qdisc_tbf(port, type_data);
131 case TC_SETUP_QDISC_CBS:
132 return lan966x_tc_setup_qdisc_cbs(port, type_data);
133 case TC_SETUP_QDISC_ETS:
134 return lan966x_tc_setup_qdisc_ets(port, type_data);
135 case TC_SETUP_BLOCK:
136 return lan966x_tc_setup_block(port, type_data);
137 default:
138 return -EOPNOTSUPP;
139 }
140
141 return 0;
142 }
143