/* * Copyright (c) 2008 Patrick McHardy * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Development of this code funded by Astaro AG (http://www.astaro.com/) */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include static const char *const comments[__NFT_TRACETYPE_MAX] = { [NFT_TRACETYPE_POLICY] = "policy", [NFT_TRACETYPE_RETURN] = "return", [NFT_TRACETYPE_RULE] = "rule", }; static struct nf_loginfo trace_loginfo = { .type = NF_LOG_TYPE_LOG, .u = { .log = { .level = LOGLEVEL_WARNING, .logflags = NF_LOG_DEFAULT_MASK, }, }, }; static noinline void __nft_trace_packet(struct nft_traceinfo *info, const struct nft_chain *chain, int rulenum, enum nft_trace_types type) { const struct nft_pktinfo *pkt = info->pkt; if (!info->trace || !pkt->skb->nf_trace) return; info->chain = chain; info->type = type; nft_trace_notify(info); nf_log_trace(nft_net(pkt), nft_pf(pkt), nft_hook(pkt), pkt->skb, nft_in(pkt), nft_out(pkt), &trace_loginfo, "TRACE: %s:%s:%s:%u ", chain->table->name, chain->name, comments[type], rulenum); } static inline void nft_trace_packet(struct nft_traceinfo *info, const struct nft_chain *chain, const struct nft_rule *rule, int rulenum, enum nft_trace_types type) { if (static_branch_unlikely(&nft_trace_enabled)) { info->rule = rule; __nft_trace_packet(info, chain, rulenum, type); } } static void nft_cmp_fast_eval(const struct nft_expr *expr, struct nft_regs *regs) { const struct nft_cmp_fast_expr *priv = nft_expr_priv(expr); u32 mask = nft_cmp_fast_mask(priv->len); if ((regs->data[priv->sreg] & mask) == priv->data) return; regs->verdict.code = NFT_BREAK; } static bool nft_payload_fast_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) { const struct nft_payload *priv = nft_expr_priv(expr); const struct sk_buff *skb = pkt->skb; u32 *dest = ®s->data[priv->dreg]; unsigned char *ptr; if (priv->base == NFT_PAYLOAD_NETWORK_HEADER) ptr = skb_network_header(skb); else { if (!pkt->tprot_set) return false; ptr = skb_network_header(skb) + pkt->xt.thoff; } ptr += priv->offset; if (unlikely(ptr + priv->len > skb_tail_pointer(skb))) return false; *dest = 0; if (priv->len == 2) *(u16 *)dest = *(u16 *)ptr; else if (priv->len == 4) *(u32 *)dest = *(u32 *)ptr; else *(u8 *)dest = *(u8 *)ptr; return true; } struct nft_jumpstack { const struct nft_chain *chain; const struct nft_rule *rule; int rulenum; }; unsigned int nft_do_chain(struct nft_pktinfo *pkt, void *priv) { const struct nft_chain *chain = priv, *basechain = chain; const struct net *net = nft_net(pkt); const struct nft_rule *rule; const struct nft_expr *expr, *last; struct nft_regs regs; unsigned int stackptr = 0; struct nft_jumpstack jumpstack[NFT_JUMP_STACK_SIZE]; struct nft_stats *stats; int rulenum; unsigned int gencursor = nft_genmask_cur(net); struct nft_traceinfo info; info.trace = false; if (static_branch_unlikely(&nft_trace_enabled)) nft_trace_init(&info, pkt, ®s.verdict, basechain); do_chain: rulenum = 0; rule = list_entry(&chain->rules, struct nft_rule, list); next_rule: regs.verdict.code = NFT_CONTINUE; list_for_each_entry_continue_rcu(rule, &chain->rules, list) { /* This rule is not active, skip. */ if (unlikely(rule->genmask & gencursor)) continue; rulenum++; nft_rule_for_each_expr(expr, last, rule) { if (expr->ops == &nft_cmp_fast_ops) nft_cmp_fast_eval(expr, ®s); else if (expr->ops != &nft_payload_fast_ops || !nft_payload_fast_eval(expr, ®s, pkt)) expr->ops->eval(expr, ®s, pkt); if (regs.verdict.code != NFT_CONTINUE) break; } switch (regs.verdict.code) { case NFT_BREAK: regs.verdict.code = NFT_CONTINUE; continue; case NFT_CONTINUE: nft_trace_packet(&info, chain, rule, rulenum, NFT_TRACETYPE_RULE); continue; } break; } switch (regs.verdict.code & NF_VERDICT_MASK) { case NF_ACCEPT: case NF_DROP: case NF_QUEUE: case NF_STOLEN: nft_trace_packet(&info, chain, rule, rulenum, NFT_TRACETYPE_RULE); return regs.verdict.code; } switch (regs.verdict.code) { case NFT_JUMP: BUG_ON(stackptr >= NFT_JUMP_STACK_SIZE); jumpstack[stackptr].chain = chain; jumpstack[stackptr].rule = rule; jumpstack[stackptr].rulenum = rulenum; stackptr++; /* fall through */ case NFT_GOTO: nft_trace_packet(&info, chain, rule, rulenum, NFT_TRACETYPE_RULE); chain = regs.verdict.chain; goto do_chain; case NFT_CONTINUE: rulenum++; /* fall through */ case NFT_RETURN: nft_trace_packet(&info, chain, rule, rulenum, NFT_TRACETYPE_RETURN); break; default: WARN_ON(1); } if (stackptr > 0) { stackptr--; chain = jumpstack[stackptr].chain; rule = jumpstack[stackptr].rule; rulenum = jumpstack[stackptr].rulenum; goto next_rule; } nft_trace_packet(&info, basechain, NULL, -1, NFT_TRACETYPE_POLICY); rcu_read_lock_bh(); stats = this_cpu_ptr(rcu_dereference(nft_base_chain(basechain)->stats)); u64_stats_update_begin(&stats->syncp); stats->pkts++; stats->bytes += pkt->skb->len; u64_stats_update_end(&stats->syncp); rcu_read_unlock_bh(); return nft_base_chain(basechain)->policy; } EXPORT_SYMBOL_GPL(nft_do_chain); static struct nft_expr_type *nft_basic_types[] = { &nft_imm_type, &nft_cmp_type, &nft_lookup_type, &nft_bitwise_type, &nft_byteorder_type, &nft_payload_type, &nft_dynset_type, &nft_range_type, }; int __init nf_tables_core_module_init(void) { int err, i; for (i = 0; i < ARRAY_SIZE(nft_basic_types); i++) { err = nft_register_expr(nft_basic_types[i]); if (err) goto err; } return 0; err: while (i-- > 0) nft_unregister_expr(nft_basic_types[i]); return err; } void nf_tables_core_module_exit(void) { int i; i = ARRAY_SIZE(nft_basic_types); while (i-- > 0) nft_unregister_expr(nft_basic_types[i]); } include/dt-bindings/clock/bcm-cygnus.h?h=nds-private-remove&id=6f2e3f7d9785dacb358b48b44950182b5c13e4bc'>logplain -rw-r--r--bcm-ns2.h2915logplain -rw-r--r--bcm-nsp.h2148logplain -rw-r--r--bcm21664.h1984logplain -rw-r--r--bcm281xx.h2456logplain -rw-r--r--bcm2835-aux.h635logplain -rw-r--r--bcm2835.h1962logplain -rw-r--r--berlin2.h1034logplain -rw-r--r--berlin2q.h695logplain -rw-r--r--clps711x-clock.h718logplain -rw-r--r--efm32-cmu.h1112logplain -rw-r--r--exynos-audss-clk.h597logplain -rw-r--r--exynos3250.h9083logplain -rw-r--r--exynos4.h8284logplain -rw-r--r--exynos4415.h9828logplain -rw-r--r--exynos5250.h4616logplain -rw-r--r--exynos5260-clk.h14876logplain -rw-r--r--exynos5410.h1689logplain -rw-r--r--exynos5420.h6857logplain -rw-r--r--exynos5433.h45372logplain -rw-r--r--exynos5440.h1141logplain -rw-r--r--exynos7-clk.h5281logplain -rw-r--r--gxbb-aoclkc.h2866logplain -rw-r--r--gxbb-clkc.h592logplain -rw-r--r--hi3516cv300-clock.h1668logplain -rw-r--r--hi3519-clock.h1328logplain -rw-r--r--hi3620-clock.h4496logplain -rw-r--r--hi6220-clock.h4508logplain -rw-r--r--hip04-clock.h1137logplain -rw-r--r--histb-clock.h2012logplain -rw-r--r--hix5hd2-clock.h2415logplain -rw-r--r--imx1-clock.h1055logplain -rw-r--r--imx21-clock.h2461logplain -rw-r--r--imx27-clock.h3494logplain -rw-r--r--imx5-clock.h7212logplain -rw-r--r--imx6qdl-clock.h9593logplain -rw-r--r--imx6sl-clock.h5849logplain -rw-r--r--imx6sx-clock.h9099logplain -rw-r--r--imx6ul-clock.h8203logplain -rw-r--r--imx7d-clock.h15974logplain -rw-r--r--jz4740-cgu.h1028logplain -rw-r--r--jz4780-cgu.h2470logplain -rw-r--r--lpc18xx-ccu.h2134logplain -rw-r--r--lpc18xx-cgu.h1142logplain -rw-r--r--lpc32xx-clock.h1633logplain -rw-r--r--lsi,axm5516-clks.h974logplain -rw-r--r--marvell,mmp2.h2022logplain -rw-r--r--marvell,pxa168.h1654logplain -rw-r--r--marvell,pxa1928.h1535logplain -rw-r--r--marvell,pxa910.h1598logplain -rw-r--r--maxim,max77620.h632logplain -rw-r--r--maxim,max77686.h648logplain -rw-r--r--maxim,max77802.h630logplain -rw-r--r--meson8b-clkc.h523logplain -rw-r--r--microchip,pic32-clock.h1150logplain -rw-r--r--mpc512x-clock.h2236logplain -rw-r--r--mt2701-clk.h13832logplain -rw-r--r--mt8135-clk.h5641logplain -rw-r--r--mt8173-clk.h9293logplain -rw-r--r--oxsemi,ox810se.h1002logplain -rw-r--r--oxsemi,ox820.h1203logplain -rw-r--r--pistachio-clk.h4863logplain -rw-r--r--pxa-clock.h1715logplain -rw-r--r--qcom,gcc-apq8084.h12872logplain -rw-r--r--qcom,gcc-ipq4019.h5423logplain -rw-r--r--qcom,gcc-ipq806x.h8574logplain -rw-r--r--qcom,gcc-mdm9615.h9497logplain -rw-r--r--qcom,gcc-msm8660.h7932logplain -rw-r--r--qcom,gcc-msm8916.h6190logplain -rw-r--r--qcom,gcc-msm8960.h9342logplain -rw-r--r--qcom,gcc-msm8974.h12340logplain -rw-r--r--qcom,gcc-msm8994.h4858logplain -rw-r--r--qcom,gcc-msm8996.h12575logplain -rw-r--r--qcom,lcc-ipq806x.h899logplain -rw-r--r--qcom,lcc-mdm9615.h1701logplain -rw-r--r--qcom,lcc-msm8960.h1616logplain -rw-r--r--qcom,mmcc-apq8084.h5722logplain -rw-r--r--qcom,mmcc-msm8960.h4109logplain -rw-r--r--qcom,mmcc-msm8974.h5223logplain -rw-r--r--qcom,mmcc-msm8996.h9403logplain -rw-r--r--qcom,rpmcc.h2101logplain -rw-r--r--r7s72100-clock.h1218logplain -rw-r--r--r8a73a4-clock.h1596logplain -rw-r--r--r8a7740-clock.h1992logplain -rw-r--r--r8a7743-cpg-mssr.h1269logplain -rw-r--r--r8a7745-cpg-mssr.h1298logplain -rw-r--r--r8a7778-clock.h1855logplain -rw-r--r--r8a7779-clock.h1647logplain -rw-r--r--r8a7790-clock.h4367logplain -rw-r--r--r8a7791-clock.h4388logplain -rw-r--r--r8a7792-clock.h2562logplain -rw-r--r--r8a7793-clock.h4561logplain -rw-r--r--r8a7794-clock.h3679logplain -rw-r--r--r8a7795-cpg-mssr.h1890logplain -rw-r--r--r8a7796-cpg-mssr.h2066logplain -rw-r--r--renesas-cpg-mssr.h542logplain -rw-r--r--rk1108-cru.h6605logplain -rw-r--r--rk3036-cru.h4584logplain -rw-r--r--rk3066a-cru.h1068logplain -rw-r--r--rk3188-cru-common.h6105logplain -rw-r--r--rk3188-cru.h1435logplain