^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * net/sched/act_simple.c Simple example of an action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Authors: Jamal Hadi Salim (2005-8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <net/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <net/pkt_sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <net/pkt_cls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/tc_act/tc_defact.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <net/tc_act/tc_defact.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static unsigned int simp_net_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static struct tc_action_ops act_simp_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define SIMP_MAX_DATA 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static int tcf_simp_act(struct sk_buff *skb, const struct tc_action *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct tcf_result *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct tcf_defact *d = to_defact(a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) spin_lock(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) tcf_lastuse_update(&d->tcf_tm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) bstats_update(&d->tcf_bstats, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* print policy string followed by _ then packet count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * Example if this was the 3rd packet and the string was "hello"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * then it would look like "hello_3" (without quotes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) pr_info("simple: %s_%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) (char *)d->tcfd_defdata, d->tcf_bstats.packets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) spin_unlock(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return d->tcf_action;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static void tcf_simp_release(struct tc_action *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct tcf_defact *d = to_defact(a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) kfree(d->tcfd_defdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static int alloc_defdata(struct tcf_defact *d, const struct nlattr *defdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) d->tcfd_defdata = kzalloc(SIMP_MAX_DATA, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (unlikely(!d->tcfd_defdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) nla_strlcpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static int reset_policy(struct tc_action *a, const struct nlattr *defdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct tc_defact *p, struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct tcf_chain *goto_ch = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct tcf_defact *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) err = tcf_action_check_ctrlact(p->action, tp, &goto_ch, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) d = to_defact(a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) spin_lock_bh(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) goto_ch = tcf_action_set_ctrlact(a, p->action, goto_ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) memset(d->tcfd_defdata, 0, SIMP_MAX_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) nla_strlcpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) spin_unlock_bh(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (goto_ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) tcf_chain_put_by_act(goto_ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static const struct nla_policy simple_policy[TCA_DEF_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) [TCA_DEF_PARMS] = { .len = sizeof(struct tc_defact) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) [TCA_DEF_DATA] = { .type = NLA_STRING, .len = SIMP_MAX_DATA },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int tcf_simp_init(struct net *net, struct nlattr *nla,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct nlattr *est, struct tc_action **a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int ovr, int bind, bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct tcf_proto *tp, u32 flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct tc_action_net *tn = net_generic(net, simp_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) struct nlattr *tb[TCA_DEF_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct tcf_chain *goto_ch = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct tc_defact *parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct tcf_defact *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) bool exists = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) int ret = 0, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) u32 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (nla == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) err = nla_parse_nested_deprecated(tb, TCA_DEF_MAX, nla, simple_policy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (tb[TCA_DEF_PARMS] == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) parm = nla_data(tb[TCA_DEF_PARMS]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) index = parm->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) err = tcf_idr_check_alloc(tn, &index, a, bind);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) exists = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) if (exists && bind)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (tb[TCA_DEF_DATA] == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (exists)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) tcf_idr_release(*a, bind);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) tcf_idr_cleanup(tn, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (!exists) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ret = tcf_idr_create(tn, index, est, a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) &act_simp_ops, bind, false, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) tcf_idr_cleanup(tn, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) d = to_defact(*a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) goto release_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) err = alloc_defdata(d, tb[TCA_DEF_DATA]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) goto put_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) tcf_action_set_ctrlact(*a, parm->action, goto_ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ret = ACT_P_CREATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) if (!ovr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) err = -EEXIST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) goto release_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) err = reset_policy(*a, tb[TCA_DEF_DATA], parm, tp, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) goto release_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) put_chain:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) if (goto_ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) tcf_chain_put_by_act(goto_ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) release_idr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) tcf_idr_release(*a, bind);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static int tcf_simp_dump(struct sk_buff *skb, struct tc_action *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int bind, int ref)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) unsigned char *b = skb_tail_pointer(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct tcf_defact *d = to_defact(a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct tc_defact opt = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .index = d->tcf_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .refcnt = refcount_read(&d->tcf_refcnt) - ref,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .bindcnt = atomic_read(&d->tcf_bindcnt) - bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct tcf_t t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) spin_lock_bh(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) opt.action = d->tcf_action;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (nla_put(skb, TCA_DEF_PARMS, sizeof(opt), &opt) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) nla_put_string(skb, TCA_DEF_DATA, d->tcfd_defdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) tcf_tm_dump(&t, &d->tcf_tm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (nla_put_64bit(skb, TCA_DEF_TM, sizeof(t), &t, TCA_DEF_PAD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) spin_unlock_bh(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) spin_unlock_bh(&d->tcf_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) nlmsg_trim(skb, b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static int tcf_simp_walker(struct net *net, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct netlink_callback *cb, int type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) const struct tc_action_ops *ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct tc_action_net *tn = net_generic(net, simp_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return tcf_generic_walker(tn, skb, cb, type, ops, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static int tcf_simp_search(struct net *net, struct tc_action **a, u32 index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) struct tc_action_net *tn = net_generic(net, simp_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return tcf_idr_search(tn, a, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static struct tc_action_ops act_simp_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .kind = "simple",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .id = TCA_ID_SIMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .act = tcf_simp_act,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .dump = tcf_simp_dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .cleanup = tcf_simp_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .init = tcf_simp_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .walk = tcf_simp_walker,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .lookup = tcf_simp_search,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .size = sizeof(struct tcf_defact),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static __net_init int simp_init_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct tc_action_net *tn = net_generic(net, simp_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return tc_action_net_init(net, tn, &act_simp_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) static void __net_exit simp_exit_net(struct list_head *net_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) tc_action_net_exit(net_list, simp_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static struct pernet_operations simp_net_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .init = simp_init_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .exit_batch = simp_exit_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .id = &simp_net_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .size = sizeof(struct tc_action_net),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) MODULE_AUTHOR("Jamal Hadi Salim(2005)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) MODULE_DESCRIPTION("Simple example action");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static int __init simp_init_module(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) int ret = tcf_register_action(&act_simp_ops, &simp_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) pr_info("Simple TC action Loaded\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static void __exit simp_cleanup_module(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) tcf_unregister_action(&act_simp_ops, &simp_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) module_init(simp_init_module);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) module_exit(simp_cleanup_module);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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