Implementation multi pattern regular expressions

Makefile

@@ -1,7 +1,7 @@
 #		Tempesta FW
 #
 # Copyright (C) 2014 NatSys Lab. (info@natsys-lab.com).
-# Copyright (C) 2015-2022 Tempesta Technologies, Inc.
+# Copyright (C) 2015-2024 Tempesta Technologies, Inc.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -24,7 +24,7 @@ else
 test-gt = $(shell test $(strip $1)0 -gt $(strip $2)0 && echo y)
 endif
 
-TFW_CFLAGS = $(DEFINES) -Werror
+TFW_CFLAGS = $(DEFINES) -Werror -Wno-missing-prototypes -Wno-error=missing-declarations -Wno-missing-declarations
 ifdef DEBUG
 	ifeq ($(call test-gt, 1, $(DEBUG)), y)
 		ERROR = "DEBUG must be greater than 0"
@@ -73,6 +73,7 @@ DBG_WS ?= 0
 DBG_APM ?= 0
 DBG_GFSM ?= 0
 DBG_HTTP ?= 0
+DBG_HTTP2 ?= 0
 DBG_HTTP_FRAME ?= 0
 DBG_HTTP_SESS ?= 0
 DBG_HTTP_STREAM ?= 0
@@ -89,6 +90,7 @@ TFW_CFLAGS += -DDBG_HTTP_SESS=$(DBG_HTTP_SESS)
 TFW_CFLAGS += -DDBG_HTTP_STREAM=$(DBG_HTTP_STREAM)
 TFW_CFLAGS += -DDBG_HPACK=$(DBG_HPACK) -DDBG_CACHE=$(DBG_CACHE)
 TFW_CFLAGS += -DDBG_SRV=$(DBG_SRV) -DDBG_VHOST=$(DBG_VHOST) -DDBG_TEST=$(DBG_TEST)
+TFW_CFLAGS += -DDBG_HTTP2=$(DBG_HTTP2)
 
 # By default Tempesta TLS randomizes elliptic curve points using RDRAND
 # instruction, which provides a high speed random numbers generator.
@@ -144,7 +146,7 @@ KERNEL = /lib/modules/$(shell uname -r)/build
 
 export KERNEL TFW_CFLAGS AVX2 BMI2 ADX TFW_GCOV
 
-obj-m	+= lib/ db/core/ fw/ tls/
+obj-m	+= lib/ db/core/ regex/ fw/ tls/
 
 all: build
 

db/core/htrie.c

@@ -11,7 +11,7 @@
  * and shutdown are performed in process context.
  *
  * Copyright (C) 2014 NatSys Lab. (info@natsys-lab.com).
- * Copyright (C) 2015-2021 Tempesta Technologies, Inc.
+ * Copyright (C) 2015-2024 Tempesta Technologies, Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
@@ -918,7 +918,7 @@ tdb_htrie_init(void *p, size_t db_size, unsigned int rec_len)
 		TDB_ERR("cannot allocate per-cpu data\n");
 		return NULL;
 	}
-	for_each_possible_cpu(cpu) {
+	for_each_online_cpu(cpu) {
 		TdbPerCpu *p = per_cpu_ptr(hdr->pcpu, cpu);
 		p->i_wcl = tdb_alloc_blk(hdr);
 		p->d_wcl = tdb_alloc_blk(hdr);

fw/apm.c

@@ -100,13 +100,13 @@ typedef struct {
 
 typedef struct {
 	TfwPcntCtl	ctl[TFW_STATS_RANGES];
-	char		__reset_from[0];
-	unsigned long	tot_cnt;
-	unsigned long	tot_val;
-	unsigned int	min_val;
-	unsigned int	max_val;
-	unsigned long	cnt[TFW_STATS_RANGES][TFW_STATS_BCKTS];
-	char		__reset_till[0];
+	struct_group(reset,
+		unsigned long	tot_cnt;
+		unsigned long	tot_val;
+		unsigned int	min_val;
+		unsigned int	max_val;
+		unsigned long	cnt[TFW_STATS_RANGES][TFW_STATS_BCKTS];
+	);
 } TfwPcntRanges __attribute__((aligned(L1_CACHE_BYTES)));
 
 static inline unsigned long *
@@ -840,9 +840,7 @@ tfw_apm_prnctl_calc(TfwApmRBuf *rbuf, TfwApmRBCtl *rbctl, TfwPrcntlStats *pstats
 static inline void
 __tfw_apm_rbent_reset(TfwApmRBEnt *crbent, unsigned long jtmistamp)
 {
-	memset(crbent->pcntrng.__reset_from, 0,
-	       offsetof(TfwPcntRanges, __reset_till)
-	       - offsetof(TfwPcntRanges, __reset_from));
+	memset(&crbent->pcntrng.reset, 0, sizeof(crbent->pcntrng.reset));
 	crbent->pcntrng.min_val = UINT_MAX;
 	crbent->jtmistamp = jtmistamp;
 	smp_mb__before_atomic();