diff --git a/include/proto/acl.h b/include/proto/acl.h
index 493b56e..3a7606b 100644
--- a/include/proto/acl.h
+++ b/include/proto/acl.h
@@ -94,7 +94,7 @@
  * condition, it does not apply the polarity required by IF/UNLESS, it's up to
  * the caller to do this.
  */
-int acl_exec_cond(struct acl_cond *cond, struct proxy *px, struct session *l4, void *l7, int dir);
+int acl_exec_cond(struct acl_cond *cond, struct proxy *px, struct session *l4, void *l7, unsigned int opt);
 
 /* Reports a pointer to the first ACL used in condition <cond> which requires
  * at least one of the USE_FLAGS in <require>. Returns NULL if none matches.
@@ -171,7 +171,7 @@
 int acl_parse_ip(const char **text, struct acl_pattern *pattern, int *opaque);
 
 /* always fake a data retrieval */
-int acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, int dir,
+int acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                       const struct arg *args, struct sample *smp);
 
 /* always return false */
diff --git a/include/proto/pattern.h b/include/proto/pattern.h
index 5a9f944..f3250ec 100644
--- a/include/proto/pattern.h
+++ b/include/proto/pattern.h
@@ -27,7 +27,7 @@
 
 struct pattern_expr *pattern_parse_expr(char **str, int *idx, char *err, int err_size);
 struct sample *pattern_process(struct proxy *px, struct session *l4,
-                               void *l7, int dir, struct pattern_expr *expr,
+                               void *l7, unsigned int dir, struct pattern_expr *expr,
                                struct sample *p);
 void pattern_register_fetches(struct pattern_fetch_kw_list *psl);
 void pattern_register_convs(struct pattern_conv_kw_list *psl);
diff --git a/include/proto/proto_tcp.h b/include/proto/proto_tcp.h
index 91573e9..947699b 100644
--- a/include/proto/proto_tcp.h
+++ b/include/proto/proto_tcp.h
@@ -34,7 +34,7 @@
 int tcp_inspect_request(struct session *s, struct buffer *req, int an_bit);
 int tcp_inspect_response(struct session *s, struct buffer *rep, int an_bit);
 int tcp_exec_req_rules(struct session *s);
-int smp_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, int dir, const struct arg *args, struct sample *smp);
+int smp_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, unsigned int opt, const struct arg *args, struct sample *smp);
 
 /* Converts the TCP source address to a stick_table key usable for table
  * lookups. Returns either NULL if the source cannot be converted (eg: not
diff --git a/include/proto/stick_table.h b/include/proto/stick_table.h
index 5da327c..7756623 100644
--- a/include/proto/stick_table.h
+++ b/include/proto/stick_table.h
@@ -47,7 +47,7 @@
 struct stksess *stktable_lookup_key(struct stktable *t, struct stktable_key *key);
 struct stksess *stktable_update_key(struct stktable *table, struct stktable_key *key);
 struct stktable_key *stktable_fetch_key(struct stktable *t, struct proxy *px,
-				        struct session *l4, void *l7, int dir,
+				        struct session *l4, void *l7, unsigned int opt,
 				        struct pattern_expr *expr);
 int stktable_compatible_pattern(struct pattern_expr *expr, unsigned long table_type);
 int stktable_get_data_type(char *name);
diff --git a/include/types/acl.h b/include/types/acl.h
index 564c4bb..cff3ae2 100644
--- a/include/types/acl.h
+++ b/include/types/acl.h
@@ -71,14 +71,6 @@
 	ACL_COND_UNLESS,	/* negative condition (after 'unless') */
 };
 
-/* ACLs can be evaluated on requests and on responses, and on partial or complete data */
-enum {
-	ACL_DIR_REQ = 0,        /* ACL evaluated on request */
-	ACL_DIR_RTR = (1 << 0), /* ACL evaluated on response */
-	ACL_DIR_MASK = (ACL_DIR_REQ | ACL_DIR_RTR),
-	ACL_PARTIAL = (1 << 1), /* partial data, return MISS if data are missing */
-};
-
 /* possible flags for expressions or patterns */
 enum {
 	ACL_PAT_F_IGNORE_CASE = 1 << 0,       /* ignore case */
@@ -238,7 +230,7 @@
 struct acl_keyword {
 	const char *kw;
 	int (*parse)(const char **text, struct acl_pattern *pattern, int *opaque);
-	int (*fetch)(struct proxy *px, struct session *l4, void *l7, int dir,
+	int (*fetch)(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
 	             const struct arg *args, struct sample *smp);
 	int (*match)(struct sample *smp, struct acl_pattern *pattern);
 	unsigned int requires;   /* bit mask of all ACL_USE_* required to evaluate this keyword */
diff --git a/include/types/pattern.h b/include/types/pattern.h
index d4d3838..3ee18cb 100644
--- a/include/types/pattern.h
+++ b/include/types/pattern.h
@@ -41,6 +41,26 @@
 	SMP_TYPES        /* number of types, must always be last */
 };
 
+/* Sample fetch capabilities are used to declare keywords. Right now only
+ * the supportd fetch directions are specified.
+ */
+enum {
+	SMP_CAP_REQ = 1 << 0, /* fetch supported on request */
+	SMP_CAP_RES = 1 << 1, /* fetch supported on response */
+};
+
+/* Sample fetch options are passed to sample fetch functions to add precision
+ * about what is desired :
+ *   - fetch direction (req/resp)
+ *   - intermediary / final fetch
+ */
+enum {
+	SMP_OPT_DIR_REQ = 0,    /* direction = request */
+	SMP_OPT_DIR_RES = 1,    /* direction = response */
+	SMP_OPT_DIR     = (SMP_OPT_DIR_REQ|SMP_OPT_DIR_RES), /* mask to get direction */
+	SMP_OPT_FINAL   = 2,    /* final fetch, contents won't change anymore */
+};
+
 /* Flags used to describe fetched samples. MAY_CHANGE indicates that the result
  * of the fetch might still evolve, for instance because of more data expected,
  * even if the fetch has failed. VOL_* indicates how long a result may be cached.
@@ -56,11 +76,6 @@
 	SMP_F_VOLATILE   = (1<<2)|(1<<3)|(1<<4)|(1<<5)|(1<<6), /* any volatility condition */
 };
 
-/* pattern fetch direction */
-#define PATTERN_FETCH_REQ	1
-#define PATTERN_FETCH_RTR	2
-
-
 /* a sample context might be used by any sample fetch function in order to
  * store information needed across multiple calls (eg: restart point for a
  * next occurrence). By definition it may store up to 8 pointers, or any
@@ -115,13 +130,14 @@
 	int (*process)(struct proxy *px,
 	               struct session *l4,
 	               void *l7,
-	               int dir, const struct arg *arg_p,
+		       unsigned int opt,          /* fetch options (SMP_OPT_*) */
+		       const struct arg *arg_p,
 	               struct sample *smp);       /* fetch processing function */
 	unsigned int arg_mask;                    /* arguments (ARG*()) */
 	int (*val_args)(struct arg *arg_p,
 			char **err_msg);          /* argument validation function */
 	unsigned long out_type;                   /* output pattern type */
-	int dir;                                  /* usable directions */
+	unsigned int cap;                         /* fetch capabilities (SMP_CAP_*) */
 };
 
 /* pattern expression */
diff --git a/src/acl.c b/src/acl.c
index 1eda948..1267ec3 100644
--- a/src/acl.c
+++ b/src/acl.c
@@ -65,7 +65,7 @@
 
 /* force TRUE to be returned at the fetch level */
 static int
-acl_fetch_true(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_true(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                const struct arg *args, struct sample *smp)
 {
 	smp->type = SMP_T_BOOL;
@@ -77,10 +77,10 @@
  * used with content inspection.
  */
 static int
-acl_fetch_wait_end(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_wait_end(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                    const struct arg *args, struct sample *smp)
 {
-	if (dir & ACL_PARTIAL) {
+	if (!(opt & SMP_OPT_FINAL)) {
 		smp->flags |= SMP_F_MAY_CHANGE;
 		return 0;
 	}
@@ -91,7 +91,7 @@
 
 /* force FALSE to be returned at the fetch level */
 static int
-acl_fetch_false(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_false(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->type = SMP_T_BOOL;
@@ -101,7 +101,7 @@
 
 /* return the number of bytes in the request buffer */
 static int
-acl_fetch_req_len(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_req_len(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *args, struct sample *smp)
 {
 	if (!l4 || !l4->req)
@@ -115,7 +115,7 @@
 
 
 static int
-acl_fetch_ssl_hello_type(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_ssl_hello_type(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	int hs_len;
@@ -126,7 +126,7 @@
 	if (!l4)
 		goto not_ssl_hello;
 
-	b = ((dir & ACL_DIR_MASK) == ACL_DIR_RTR) ? l4->rep : l4->req;
+	b = ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_RES) ? l4->rep : l4->req;
 
 	bleft = b->i;
 	data = (const unsigned char *)b->p;
@@ -184,7 +184,7 @@
  * Note: this decoder only works with non-wrapping data.
  */
 static int
-acl_fetch_req_ssl_ver(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_req_ssl_ver(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                       const struct arg *args, struct sample *smp)
 {
 	int version, bleft, msg_len;
@@ -320,7 +320,7 @@
  *             - opaque hostname[name_len bytes]
  */
 static int
-acl_fetch_ssl_hello_sni(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_ssl_hello_sni(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	int hs_len, ext_len, bleft;
@@ -330,7 +330,7 @@
 	if (!l4)
 		goto not_ssl_hello;
 
-	b = ((dir & ACL_DIR_MASK) == ACL_DIR_RTR) ? l4->rep : l4->req;
+	b = ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_RES) ? l4->rep : l4->req;
 
 	bleft = b->i;
 	data = (unsigned char *)b->p;
@@ -464,7 +464,7 @@
 }
 
 /* always fake a data retrieval */
-int acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, int dir,
+int acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                       const struct arg *args, struct sample *smp)
 {
 	return 1;
@@ -1681,8 +1681,8 @@
 
 /* Execute condition <cond> and return either ACL_PAT_FAIL, ACL_PAT_MISS or
  * ACL_PAT_PASS depending on the test results. ACL_PAT_MISS may only be
- * returned if <dir> contains ACL_PARTIAL, indicating that incomplete data
- * is being examined.
+ * returned if <opt> does not contain SMP_OPT_FINAL, indicating that incomplete
+ * data is being examined.
  * This function only computes the condition, it does not apply the polarity
  * required by IF/UNLESS, it's up to the caller to do this using something like
  * this :
@@ -1693,7 +1693,7 @@
  *     if (cond->pol == ACL_COND_UNLESS)
  *         res = !res;
  */
-int acl_exec_cond(struct acl_cond *cond, struct proxy *px, struct session *l4, void *l7, int dir)
+int acl_exec_cond(struct acl_cond *cond, struct proxy *px, struct session *l4, void *l7, unsigned int opt)
 {
 	__label__ fetch_next;
 	struct acl_term_suite *suite;
@@ -1733,9 +1733,9 @@
 				/* we need to reset context and flags */
 				memset(&smp, 0, sizeof(smp));
 			fetch_next:
-				if (!expr->kw->fetch(px, l4, l7, dir, expr->args, &smp)) {
+				if (!expr->kw->fetch(px, l4, l7, opt, expr->args, &smp)) {
 					/* maybe we could not fetch because of missing data */
-					if (smp.flags & SMP_F_MAY_CHANGE && dir & ACL_PARTIAL)
+					if (smp.flags & SMP_F_MAY_CHANGE && !(opt & SMP_OPT_FINAL))
 						acl_res |= ACL_PAT_MISS;
 					continue;
 				}
@@ -1784,7 +1784,7 @@
 				 * later and give another chance for a new match (eg: request
 				 * size, time, ...)
 				 */
-				if (smp.flags & SMP_F_MAY_CHANGE && dir & ACL_PARTIAL)
+				if (smp.flags & SMP_F_MAY_CHANGE && !(opt & SMP_OPT_FINAL))
 					acl_res |= ACL_PAT_MISS;
 			}
 			/*
diff --git a/src/backend.c b/src/backend.c
index a956707..5bec608 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -416,7 +416,7 @@
 	args[0].data.str.len = px->hh_len;
 	args[1].type = ARGT_STOP;
 
-	ret = smp_fetch_rdp_cookie(px, s, NULL, ACL_DIR_REQ, args, &smp);
+	ret = smp_fetch_rdp_cookie(px, s, NULL, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, args, &smp);
 	len = smp.data.str.len;
 
 	if (ret == 0 || (smp.flags & SMP_F_MAY_CHANGE) || len == 0)
@@ -1134,7 +1134,7 @@
 	args[0].data.str.len = s->be->rdp_cookie_len;
 	args[1].type = ARGT_STOP;
 
-	ret = smp_fetch_rdp_cookie(px, s, NULL, ACL_DIR_REQ, args, &smp);
+	ret = smp_fetch_rdp_cookie(px, s, NULL, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, args, &smp);
 	if (ret == 0 || (smp.flags & SMP_F_MAY_CHANGE) || smp.data.str.len == 0)
 		goto no_cookie;
 
@@ -1374,7 +1374,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_nbsrv(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_nbsrv(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
@@ -1397,7 +1397,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_srv_is_up(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_srv_is_up(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                     const struct arg *args, struct sample *smp)
 {
 	struct server *srv = args->data.srv;
@@ -1417,7 +1417,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_connslots(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_connslots(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                     const struct arg *args, struct sample *smp)
 {
 	struct server *iterator;
@@ -1445,7 +1445,7 @@
 
 /* set temp integer to the id of the backend */
 static int
-acl_fetch_be_id(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_be_id(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TXN;
@@ -1456,7 +1456,7 @@
 
 /* set temp integer to the id of the server */
 static int
-acl_fetch_srv_id(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_srv_id(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                  const struct arg *args, struct sample *smp)
 {
 	if (!target_srv(&l4->target))
@@ -1473,7 +1473,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_be_sess_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_be_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
@@ -1487,7 +1487,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_be_conn(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_be_conn(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
@@ -1501,7 +1501,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_queue_size(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_queue_size(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                      const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
@@ -1519,7 +1519,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_avg_queue_size(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_avg_queue_size(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	int nbsrv;
@@ -1548,7 +1548,7 @@
  * undefined behaviour.
  */
 static int
-acl_fetch_srv_conn(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_srv_conn(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                    const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 4719abb..a3ac661 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -1120,7 +1120,7 @@
 		goto err;
 	}
 
-	if (dir == ACL_DIR_REQ)
+	if (dir == SMP_OPT_DIR_REQ)
 		err_code |= warnif_cond_requires_resp(cond, file, line);
 	else
 		err_code |= warnif_cond_requires_req(cond, file, line);
@@ -1138,7 +1138,7 @@
 		goto err;
 	}
 
-	err = chain_regex((dir == ACL_DIR_REQ) ? &px->req_exp : &px->rsp_exp,
+	err = chain_regex((dir == SMP_OPT_DIR_REQ) ? &px->req_exp : &px->rsp_exp,
 			  preg, action, repl ? strdup(repl) : NULL, cond);
 	if (repl && err) {
 		Alert("parsing [%s:%d] : '%s' : invalid character or unterminated sequence in replacement string near '%c'.\n",
@@ -1147,7 +1147,7 @@
 		goto err;
 	}
 
-	if (dir == ACL_DIR_REQ && warnif_misplaced_reqxxx(px, file, line, cmd))
+	if (dir == SMP_OPT_DIR_REQ && warnif_misplaced_reqxxx(px, file, line, cmd))
 		err_code |= ERR_WARN;
 
 	return err_code;
@@ -3005,7 +3005,7 @@
 		}
 
 		if (flags & STK_ON_RSP) {
-			if (!(expr->fetch->dir & PATTERN_FETCH_RTR)) {
+			if (!(expr->fetch->cap & SMP_CAP_RES)) {
 				Alert("parsing [%s:%d] : '%s': fetch method '%s' can not be used on response.\n",
 				      file, linenum, args[0], expr->fetch->kw);
 		                err_code |= ERR_ALERT | ERR_FATAL;
@@ -3013,7 +3013,7 @@
 			        goto out;
 			}
 		} else {
-			if (!(expr->fetch->dir & PATTERN_FETCH_REQ)) {
+			if (!(expr->fetch->cap & SMP_CAP_REQ)) {
 				Alert("parsing [%s:%d] : '%s': fetch method '%s' can not be used on request.\n",
 				      file, linenum, args[0], expr->fetch->kw);
 				err_code |= ERR_ALERT | ERR_FATAL;
@@ -4882,56 +4882,56 @@
 		}
 
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_REPLACE, 0,
+						   SMP_OPT_DIR_REQ, ACT_REPLACE, 0,
 						   args[0], args[1], args[2], (const char **)args+3);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqdel")) {  /* delete request header from a regex */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_REMOVE, 0,
+						   SMP_OPT_DIR_REQ, ACT_REMOVE, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqdeny")) {  /* deny a request if a header matches this regex */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_DENY, 0,
+						   SMP_OPT_DIR_REQ, ACT_DENY, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqpass")) {  /* pass this header without allowing or denying the request */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_PASS, 0,
+						   SMP_OPT_DIR_REQ, ACT_PASS, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqallow")) {  /* allow a request if a header matches this regex */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_ALLOW, 0,
+						   SMP_OPT_DIR_REQ, ACT_ALLOW, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqtarpit")) {  /* tarpit a request if a header matches this regex */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_TARPIT, 0,
+						   SMP_OPT_DIR_REQ, ACT_TARPIT, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqsetbe")) { /* switch the backend from a regex, respecting case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_SETBE, 0,
+						   SMP_OPT_DIR_REQ, ACT_SETBE, 0,
 						   args[0], args[1], args[2], (const char **)args+3);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqisetbe")) { /* switch the backend from a regex, ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_SETBE, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_SETBE, REG_ICASE,
 						   args[0], args[1], args[2], (const char **)args+3);
 		if (err_code & ERR_FATAL)
 			goto out;
@@ -4945,42 +4945,42 @@
 		}
 
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_REPLACE, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_REPLACE, REG_ICASE,
 						   args[0], args[1], args[2], (const char **)args+3);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqidel")) {  /* delete request header from a regex ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_REMOVE, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_REMOVE, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqideny")) {  /* deny a request if a header matches this regex ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_DENY, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_DENY, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqipass")) {  /* pass this header without allowing or denying the request */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_PASS, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_PASS, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqiallow")) {  /* allow a request if a header matches this regex ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_ALLOW, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_ALLOW, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "reqitarpit")) {  /* tarpit a request if a header matches this regex ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_REQ, ACT_TARPIT, REG_ICASE,
+						   SMP_OPT_DIR_REQ, ACT_TARPIT, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
@@ -5033,21 +5033,21 @@
 		}
 
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_RTR, ACT_REPLACE, 0,
+						   SMP_OPT_DIR_RES, ACT_REPLACE, 0,
 						   args[0], args[1], args[2], (const char **)args+3);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "rspdel")) {  /* delete response header from a regex */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_RTR, ACT_REMOVE, 0,
+						   SMP_OPT_DIR_RES, ACT_REMOVE, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "rspdeny")) {  /* block response header from a regex */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_RTR, ACT_DENY, 0,
+						   SMP_OPT_DIR_RES, ACT_DENY, 0,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
@@ -5061,21 +5061,21 @@
 		}
 
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_RTR, ACT_REPLACE, REG_ICASE,
+						   SMP_OPT_DIR_RES, ACT_REPLACE, REG_ICASE,
 						   args[0], args[1], args[2], (const char **)args+3);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "rspidel")) {  /* delete response header from a regex ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_RTR, ACT_REMOVE, REG_ICASE,
+						   SMP_OPT_DIR_RES, ACT_REMOVE, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
 	}
 	else if (!strcmp(args[0], "rspideny")) {  /* block response header from a regex ignoring case */
 		err_code |= create_cond_regex_rule(file, linenum, curproxy,
-						   ACL_DIR_RTR, ACT_DENY, REG_ICASE,
+						   SMP_OPT_DIR_RES, ACT_DENY, REG_ICASE,
 						   args[0], args[1], NULL, (const char **)args+2);
 		if (err_code & ERR_FATAL)
 			goto out;
diff --git a/src/frontend.c b/src/frontend.c
index 8cd9de7..6485b07 100644
--- a/src/frontend.c
+++ b/src/frontend.c
@@ -499,7 +499,7 @@
 
 /* set temp integer to the id of the frontend */
 static int
-acl_fetch_fe_id(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_fe_id(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_SESS;
@@ -513,7 +513,7 @@
  * an undefined behaviour.
  */
 static int
-acl_fetch_fe_sess_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_fe_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
@@ -527,7 +527,7 @@
  * an undefined behaviour.
  */
 static int
-acl_fetch_fe_conn(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_fe_conn(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
diff --git a/src/pattern.c b/src/pattern.c
index 9787ecc..f6afb97 100644
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -463,7 +463,7 @@
 
 /*
  * Process a fetch + format conversion of defined by the pattern expression <expr>
- * on request or response considering the <dir> parameter.
+ * on request or response considering the <opt> parameter.
  * Returns a pointer on a typed pattern structure containing the result or NULL if
  * pattern is not found or when format conversion failed.
  *  If <p> is not null, function returns results in structure pointed by <p>.
@@ -473,7 +473,8 @@
  * conversion functions must do so too. However the cast functions do not need
  * to since they're made to cast mutiple types according to what is required.
  */
-struct sample *pattern_process(struct proxy *px, struct session *l4, void *l7, int dir,
+struct sample *pattern_process(struct proxy *px, struct session *l4, void *l7,
+			       unsigned int opt,
                                struct pattern_expr *expr, struct sample *p)
 {
 	struct pattern_conv_expr *conv_expr;
@@ -482,7 +483,7 @@
 		p = &temp_smp;
 
 	p->flags = 0;
-	if (!expr->fetch->process(px, l4, l7, dir, expr->arg_p, p))
+	if (!expr->fetch->process(px, l4, l7, opt, expr->arg_p, p))
 		return NULL;
 
 	list_for_each_entry(conv_expr, &expr->conv_exprs, list) {
diff --git a/src/proto_http.c b/src/proto_http.c
index 7421688..6302ea4 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -2355,7 +2355,7 @@
 
 		/* Check if we want to fail this monitor request or not */
 		list_for_each_entry(cond, &s->fe->mon_fail_cond, list) {
-			int ret = acl_exec_cond(cond, s->fe, s, txn, ACL_DIR_REQ);
+			int ret = acl_exec_cond(cond, s->fe, s, txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 
 			ret = acl_pass(ret);
 			if (cond->pol == ACL_COND_UNLESS)
@@ -2735,7 +2735,7 @@
 
 		/* check condition, but only if attached */
 		if (rule->cond) {
-			ret = acl_exec_cond(rule->cond, px, s, txn, ACL_DIR_REQ);
+			ret = acl_exec_cond(rule->cond, px, s, txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 
 			if (rule->cond->pol == ACL_COND_UNLESS)
@@ -2789,7 +2789,7 @@
 
 	/* first check whether we have some ACLs set to block this request */
 	list_for_each_entry(cond, &px->block_cond, list) {
-		int ret = acl_exec_cond(cond, px, s, txn, ACL_DIR_REQ);
+		int ret = acl_exec_cond(cond, px, s, txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 
 		ret = acl_pass(ret);
 		if (cond->pol == ACL_COND_UNLESS)
@@ -2944,7 +2944,7 @@
 	/* add request headers from the rule sets in the same order */
 	list_for_each_entry(wl, &px->req_add, list) {
 		if (wl->cond) {
-			int ret = acl_exec_cond(wl->cond, px, s, txn, ACL_DIR_REQ);
+			int ret = acl_exec_cond(wl->cond, px, s, txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (((struct acl_cond *)wl->cond)->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -2969,7 +2969,7 @@
 			int ret = 1;
 
 			if (stats_admin_rule->cond) {
-				ret = acl_exec_cond(stats_admin_rule->cond, s->be, s, &s->txn, ACL_DIR_REQ);
+				ret = acl_exec_cond(stats_admin_rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 				ret = acl_pass(ret);
 				if (stats_admin_rule->cond->pol == ACL_COND_UNLESS)
 					ret = !ret;
@@ -3031,7 +3031,7 @@
 		int ret = ACL_PAT_PASS;
 
 		if (rule->cond) {
-			ret = acl_exec_cond(rule->cond, px, s, txn, ACL_DIR_REQ);
+			ret = acl_exec_cond(rule->cond, px, s, txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -5004,7 +5004,7 @@
 				if (txn->status < 200)
 					break;
 				if (wl->cond) {
-					int ret = acl_exec_cond(wl->cond, px, t, txn, ACL_DIR_RTR);
+					int ret = acl_exec_cond(wl->cond, px, t, txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
 					ret = acl_pass(ret);
 					if (((struct acl_cond *)wl->cond)->pol == ACL_COND_UNLESS)
 						ret = !ret;
@@ -5737,7 +5737,7 @@
 		 * next filter if the condition does not match.
 		 */
 		if (exp->cond) {
-			ret = acl_exec_cond(exp->cond, px, s, txn, ACL_DIR_REQ);
+			ret = acl_exec_cond(exp->cond, px, s, txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (((struct acl_cond *)exp->cond)->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -6577,7 +6577,7 @@
 		 * next filter if the condition does not match.
 		 */
 		if (exp->cond) {
-			ret = acl_exec_cond(exp->cond, px, s, txn, ACL_DIR_RTR);
+			ret = acl_exec_cond(exp->cond, px, s, txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (((struct acl_cond *)exp->cond)->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -7541,7 +7541,7 @@
  *   1 if an HTTP message is ready
  */
 static int
-acl_prefetch_http(struct proxy *px, struct session *s, void *l7, int dir,
+acl_prefetch_http(struct proxy *px, struct session *s, void *l7, unsigned int opt,
                   const struct arg *args, struct sample *smp, int req_vol)
 {
 	struct http_txn *txn = l7;
@@ -7557,7 +7557,7 @@
 	/* Check for a dependency on a request */
 	smp->type = SMP_T_BOOL;
 
-	if ((dir & ACL_DIR_MASK) == ACL_DIR_REQ) {
+	if ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ) {
 		if (unlikely(!s->req))
 			return 0;
 
@@ -7612,10 +7612,10 @@
 }
 
 #define CHECK_HTTP_MESSAGE_FIRST() \
-	do { int r = acl_prefetch_http(px, l4, l7, dir, args, smp, 1); if (r <= 0) return r; } while (0)
+	do { int r = acl_prefetch_http(px, l4, l7, opt, args, smp, 1); if (r <= 0) return r; } while (0)
 
 #define CHECK_HTTP_MESSAGE_FIRST_PERM() \
-	do { int r = acl_prefetch_http(px, l4, l7, dir, args, smp, 0); if (r <= 0) return r; } while (0)
+	do { int r = acl_prefetch_http(px, l4, l7, opt, args, smp, 0); if (r <= 0) return r; } while (0)
 
 
 /* 1. Check on METHOD
@@ -7648,7 +7648,7 @@
  * This is intended to be used with acl_match_meth() only.
  */
 static int
-acl_fetch_meth(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_meth(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                const struct arg *args, struct sample *smp)
 {
 	int meth;
@@ -7712,7 +7712,7 @@
 }
 
 static int
-acl_fetch_rqver(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_rqver(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7737,7 +7737,7 @@
 }
 
 static int
-acl_fetch_stver(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_stver(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7763,7 +7763,7 @@
 
 /* 3. Check on Status Code. We manipulate integers here. */
 static int
-acl_fetch_stcode(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_stcode(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                  const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7783,7 +7783,7 @@
 
 /* 4. Check on URL/URI. A pointer to the URI is stored. */
 static int
-acl_fetch_url(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_url(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
               const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7798,7 +7798,7 @@
 }
 
 static int
-acl_fetch_url_ip(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_url_ip(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                  const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7824,7 +7824,7 @@
 }
 
 static int
-acl_fetch_url_port(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_url_port(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                    const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7847,13 +7847,13 @@
  * Accepts exactly 1 argument of type string.
  */
 static int
-acl_fetch_hdr(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_hdr(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
               const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
 	struct hdr_idx *idx = &txn->hdr_idx;
 	struct hdr_ctx *ctx = (struct hdr_ctx *)smp->ctx.a;
-	const struct http_msg *msg = ((dir & ACL_DIR_MASK) == ACL_DIR_REQ) ? &txn->req : &txn->rsp;
+	const struct http_msg *msg = ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ) ? &txn->req : &txn->rsp;
 
 	if (!args || args->type != ARGT_STR)
 		return 0;
@@ -7883,13 +7883,13 @@
  * Accepts exactly 1 argument of type string.
  */
 static int
-acl_fetch_hdr_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_hdr_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
 	struct hdr_idx *idx = &txn->hdr_idx;
 	struct hdr_ctx ctx;
-	const struct http_msg *msg = ((dir & ACL_DIR_MASK) == ACL_DIR_REQ) ? &txn->req : &txn->rsp;
+	const struct http_msg *msg = ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ) ? &txn->req : &txn->rsp;
 	int cnt;
 
 	if (!args || args->type != ARGT_STR)
@@ -7912,10 +7912,10 @@
  * FIXME: the type is 'int', it may not be appropriate for everything.
  */
 static int
-acl_fetch_hdr_val(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_hdr_val(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *args, struct sample *smp)
 {
-	int ret = acl_fetch_hdr(px, l4, l7, dir, args, smp);
+	int ret = acl_fetch_hdr(px, l4, l7, opt, args, smp);
 
 	if (ret > 0) {
 		smp->type = SMP_T_UINT;
@@ -7928,12 +7928,12 @@
 /* 7. Check on HTTP header's IPv4 address value. The IPv4 address is returned.
  */
 static int
-acl_fetch_hdr_ip(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_hdr_ip(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                  const struct arg *args, struct sample *smp)
 {
 	int ret;
 
-	while ((ret = acl_fetch_hdr(px, l4, l7, dir, args, smp)) > 0) {
+	while ((ret = acl_fetch_hdr(px, l4, l7, opt, args, smp)) > 0) {
 		smp->type = SMP_T_IPV4;
 		if (url2ipv4((char *)smp->data.str.str, &smp->data.ipv4))
 			break;
@@ -7946,7 +7946,7 @@
  * the first '/' after the possible hostname, and ends before the possible '?'.
  */
 static int
-acl_fetch_path(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_path(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -7972,7 +7972,7 @@
 }
 
 static int
-acl_fetch_proto_http(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_proto_http(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                      const struct arg *args, struct sample *smp)
 {
 	/* Note: hdr_idx.v cannot be NULL in this ACL because the ACL is tagged
@@ -7988,7 +7988,7 @@
 
 /* return a valid test if the current request is the first one on the connection */
 static int
-acl_fetch_http_first_req(struct proxy *px, struct session *s, void *l7, int dir,
+acl_fetch_http_first_req(struct proxy *px, struct session *s, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	if (!s)
@@ -8001,7 +8001,7 @@
 
 /* Accepts exactly 1 argument of type userlist */
 static int
-acl_fetch_http_auth(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_http_auth(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                     const struct arg *args, struct sample *smp)
 {
 
@@ -8121,7 +8121,7 @@
  * Accepts exactly 1 argument of type string.
  */
 static int
-acl_fetch_cookie_value(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_cookie_value(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -8137,7 +8137,7 @@
 
 	CHECK_HTTP_MESSAGE_FIRST();
 
-	if ((dir & ACL_DIR_MASK) == ACL_DIR_REQ) {
+	if ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ) {
 		msg = &txn->req;
 		hdr_name = "Cookie";
 		hdr_name_len = 6;
@@ -8172,7 +8172,7 @@
 		smp->type = SMP_T_CSTR;
 		smp->ctx.a[0] = extract_cookie_value(smp->ctx.a[0], smp->ctx.a[1],
 						 args->data.str.str, args->data.str.len,
-						 (dir & ACL_DIR_MASK) == ACL_DIR_REQ,
+						 (opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ,
 						 &smp->data.str.str,
 						 &smp->data.str.len);
 		if (smp->ctx.a[0]) {
@@ -8195,7 +8195,7 @@
  * Accepts exactly 1 argument of type string.
  */
 static int
-acl_fetch_cookie_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_cookie_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                      const struct arg *args, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -8213,7 +8213,7 @@
 
 	CHECK_HTTP_MESSAGE_FIRST();
 
-	if ((dir & ACL_DIR_MASK) == ACL_DIR_REQ) {
+	if ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ) {
 		msg = &txn->req;
 		hdr_name = "Cookie";
 		hdr_name_len = 6;
@@ -8244,7 +8244,7 @@
 		smp->type = SMP_T_CSTR;
 		while ((val_beg = extract_cookie_value(val_beg, val_end,
 						       args->data.str.str, args->data.str.len,
-						       (dir & ACL_DIR_MASK) == ACL_DIR_REQ,
+						       (opt & SMP_OPT_DIR) == SMP_OPT_DIR_REQ,
 						       &smp->data.str.str,
 						       &smp->data.str.len))) {
 			cnt++;
@@ -8349,7 +8349,7 @@
 
 /* Returns the last occurrence of specified header. */
 static int
-pattern_fetch_hdr(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_hdr(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
 		  const struct arg *arg_p, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -8445,7 +8445,7 @@
 }
 
 static int
-pattern_fetch_url_param(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_url_param(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                      const struct arg *arg_p, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -8499,7 +8499,7 @@
 }
 
 static int
-pattern_fetch_cookie(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_cookie(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                      const struct arg *arg_p, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -8522,7 +8522,7 @@
 
 
 static int
-pattern_fetch_set_cookie(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_set_cookie(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
 			 const struct arg *arg_p, struct sample *smp)
 {
 	struct http_txn *txn = l7;
@@ -8548,10 +8548,10 @@
 /************************************************************************/
 /* Note: must not be declared <const> as its list will be overwritten */
 static struct pattern_fetch_kw_list pattern_fetch_keywords = {{ },{
-	{ "hdr",        pattern_fetch_hdr,        ARG1(1,STR), NULL, SMP_T_CSTR, PATTERN_FETCH_REQ },
-	{ "url_param",  pattern_fetch_url_param,  ARG1(1,STR), NULL, SMP_T_CSTR, PATTERN_FETCH_REQ },
-	{ "cookie",     pattern_fetch_cookie,     ARG1(1,STR), NULL, SMP_T_CSTR, PATTERN_FETCH_REQ },
-	{ "set-cookie", pattern_fetch_set_cookie, ARG1(1,STR), NULL, SMP_T_CSTR, PATTERN_FETCH_RTR },
+	{ "hdr",        pattern_fetch_hdr,        ARG1(1,STR), NULL, SMP_T_CSTR, SMP_CAP_REQ },
+	{ "url_param",  pattern_fetch_url_param,  ARG1(1,STR), NULL, SMP_T_CSTR, SMP_CAP_REQ },
+	{ "cookie",     pattern_fetch_cookie,     ARG1(1,STR), NULL, SMP_T_CSTR, SMP_CAP_REQ },
+	{ "set-cookie", pattern_fetch_set_cookie, ARG1(1,STR), NULL, SMP_T_CSTR, SMP_CAP_RES },
 	{ NULL, NULL, 0, 0, 0 },
 }};
 
diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index ff094c1..6bc669e 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -690,15 +690,15 @@
 	 */
 
 	if (req->flags & (BF_SHUTR|BF_FULL) || !s->be->tcp_req.inspect_delay || tick_is_expired(req->analyse_exp, now_ms))
-		partial = 0;
+		partial = SMP_OPT_FINAL;
 	else
-		partial = ACL_PARTIAL;
+		partial = 0;
 
 	list_for_each_entry(rule, &s->be->tcp_req.inspect_rules, list) {
 		int ret = ACL_PAT_PASS;
 
 		if (rule->cond) {
-			ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, ACL_DIR_REQ | partial);
+			ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_REQ | partial);
 			if (ret == ACL_PAT_MISS) {
 				buffer_dont_connect(req);
 				/* just set the request timeout once at the beginning of the request */
@@ -808,15 +808,15 @@
 	 */
 
 	if (rep->flags & BF_SHUTR || tick_is_expired(rep->analyse_exp, now_ms))
-		partial = 0;
+		partial = SMP_OPT_FINAL;
 	else
-		partial = ACL_PARTIAL;
+		partial = 0;
 
 	list_for_each_entry(rule, &s->be->tcp_rep.inspect_rules, list) {
 		int ret = ACL_PAT_PASS;
 
 		if (rule->cond) {
-			ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, ACL_DIR_RTR | partial);
+			ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_RES | partial);
 			if (ret == ACL_PAT_MISS) {
 				/* just set the analyser timeout once at the beginning of the response */
 				if (!tick_isset(rep->analyse_exp) && s->be->tcp_rep.inspect_delay)
@@ -880,7 +880,7 @@
 		ret = ACL_PAT_PASS;
 
 		if (rule->cond) {
-			ret = acl_exec_cond(rule->cond, s->fe, s, NULL, ACL_DIR_REQ);
+			ret = acl_exec_cond(rule->cond, s->fe, s, NULL, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -1257,7 +1257,7 @@
  * is a string (cookie name), other types will lead to undefined behaviour.
  */
 int
-smp_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, int dir,
+smp_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                      const struct arg *args, struct sample *smp)
 {
 	int bleft;
@@ -1345,13 +1345,13 @@
 }
 
 static int
-pattern_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *arg_p, struct sample *smp)
 {
 	int ret;
 
 	/* sample type set by smp_fetch_rdp_cookie() */
-	ret = smp_fetch_rdp_cookie(px, l4, NULL, ACL_DIR_REQ, arg_p, smp);
+	ret = smp_fetch_rdp_cookie(px, l4, NULL, opt, arg_p, smp);
 	if (ret == 0 || (smp->flags & SMP_F_MAY_CHANGE) || smp->data.str.len == 0)
 		return 0;
 	return 1;
@@ -1363,12 +1363,12 @@
 
 /* returns either 1 or 0 depending on whether an RDP cookie is found or not */
 static int
-acl_fetch_rdp_cookie_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_rdp_cookie_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	int ret;
 
-	ret = smp_fetch_rdp_cookie(px, l4, l7, dir, args, smp);
+	ret = smp_fetch_rdp_cookie(px, l4, l7, opt, args, smp);
 
 	if (smp->flags & SMP_F_MAY_CHANGE)
 		return 0;
@@ -1382,7 +1382,7 @@
 
 /* copy the source IPv4/v6 address into temp_pattern */
 static int
-acl_fetch_src(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
               const struct arg *args, struct sample *smp)
 {
 	switch (l4->si[0].addr.from.ss_family) {
@@ -1404,7 +1404,7 @@
 
 /* extract the connection's source ipv4 address */
 static int
-pattern_fetch_src(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_src(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *arg_p, struct sample *smp)
 {
 	if (l4->si[0].addr.from.ss_family != AF_INET )
@@ -1417,7 +1417,7 @@
 
 /* extract the connection's source ipv6 address */
 static int
-pattern_fetch_src6(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_src6(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *arg_p, struct sample *smp)
 {
 	if (l4->si[0].addr.from.ss_family != AF_INET6)
@@ -1430,7 +1430,7 @@
 
 /* set temp integer to the connection's source port */
 static int
-acl_fetch_sport(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sport(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->type = SMP_T_UINT;
@@ -1444,7 +1444,7 @@
 
 /* set test->ptr to point to the frontend's IPv4/IPv6 address and test->i to the family */
 static int
-acl_fetch_dst(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_dst(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
               const struct arg *args, struct sample *smp)
 {
 	stream_sock_get_to_addr(&l4->si[0]);
@@ -1469,7 +1469,7 @@
 
 /* extract the connection's destination ipv4 address */
 static int
-pattern_fetch_dst(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_dst(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *arg_p, struct sample *smp)
 {
 	stream_sock_get_to_addr(&l4->si[0]);
@@ -1484,7 +1484,7 @@
 
 /* extract the connection's destination ipv6 address */
 static int
-pattern_fetch_dst6(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_dst6(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                   const struct arg *arg_p, struct sample *smp)
 {
 	stream_sock_get_to_addr(&l4->si[0]);
@@ -1499,7 +1499,7 @@
 
 /* set temp integer to the frontend connexion's destination port */
 static int
-acl_fetch_dport(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_dport(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	stream_sock_get_to_addr(&l4->si[0]);
@@ -1513,7 +1513,7 @@
 }
 
 static int
-pattern_fetch_dport(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_dport(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                     const struct arg *arg, struct sample *smp)
 {
 	smp->type = SMP_T_UINT;
@@ -1526,7 +1526,7 @@
 }
 
 static int
-pattern_fetch_payloadlv(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_payloadlv(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *arg_p, struct sample *smp)
 {
 	int len_offset = arg_p[0].data.uint;
@@ -1543,7 +1543,7 @@
 	if (!l4)
 		return 0;
 
-	b = (dir & PATTERN_FETCH_RTR) ? l4->rep : l4->req;
+	b = ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_RES) ? l4->rep : l4->req;
 
 	if (!b || !b->i)
 		return 0;
@@ -1576,7 +1576,7 @@
 }
 
 static int
-pattern_fetch_payload(struct proxy *px, struct session *l4, void *l7, int dir,
+pattern_fetch_payload(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                       const struct arg *arg_p, struct sample *smp)
 {
 	int buf_offset = arg_p[0].data.uint;
@@ -1586,7 +1586,7 @@
 	if (!l4)
 		return 0;
 
-	b = (dir & PATTERN_FETCH_RTR) ? l4->rep : l4->req;
+	b = ((opt & SMP_OPT_DIR) == SMP_OPT_DIR_RES) ? l4->rep : l4->req;
 
 	if (!b || !b->i)
 		return 0;
@@ -1666,14 +1666,14 @@
 
 /* Note: must not be declared <const> as its list will be overwritten */
 static struct pattern_fetch_kw_list pattern_fetch_keywords = {{ },{
-	{ "src",         pattern_fetch_src,       0,                      NULL,           SMP_T_IPV4, PATTERN_FETCH_REQ },
-	{ "src6",        pattern_fetch_src6,      0,                      NULL,           SMP_T_IPV6, PATTERN_FETCH_REQ },
-	{ "dst",         pattern_fetch_dst,       0,                      NULL,           SMP_T_IPV4, PATTERN_FETCH_REQ },
-	{ "dst6",        pattern_fetch_dst6,      0,                      NULL,           SMP_T_IPV6, PATTERN_FETCH_REQ },
-	{ "dst_port",    pattern_fetch_dport,     0,                      NULL,           SMP_T_UINT, PATTERN_FETCH_REQ },
-	{ "payload",     pattern_fetch_payload,   ARG2(2,UINT,UINT),      val_payload,    SMP_T_CBIN, PATTERN_FETCH_REQ|PATTERN_FETCH_RTR },
-	{ "payload_lv",  pattern_fetch_payloadlv, ARG3(2,UINT,UINT,SINT), val_payload_lv, SMP_T_CBIN, PATTERN_FETCH_REQ|PATTERN_FETCH_RTR },
-	{ "rdp_cookie",  pattern_fetch_rdp_cookie, ARG1(1,STR),           NULL,           SMP_T_CSTR, PATTERN_FETCH_REQ },
+	{ "src",         pattern_fetch_src,       0,                      NULL,           SMP_T_IPV4, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "src6",        pattern_fetch_src6,      0,                      NULL,           SMP_T_IPV6, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "dst",         pattern_fetch_dst,       0,                      NULL,           SMP_T_IPV4, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "dst6",        pattern_fetch_dst6,      0,                      NULL,           SMP_T_IPV6, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "dst_port",    pattern_fetch_dport,     0,                      NULL,           SMP_T_UINT, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "payload",     pattern_fetch_payload,   ARG2(2,UINT,UINT),      val_payload,    SMP_T_CBIN, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "payload_lv",  pattern_fetch_payloadlv, ARG3(2,UINT,UINT,SINT), val_payload_lv, SMP_T_CBIN, SMP_CAP_REQ|SMP_CAP_RES },
+	{ "rdp_cookie",  pattern_fetch_rdp_cookie, ARG1(1,STR),           NULL,           SMP_T_CSTR, SMP_CAP_REQ|SMP_CAP_RES },
 	{ NULL, NULL, 0, 0, 0 },
 }};
 
diff --git a/src/protocols.c b/src/protocols.c
index 8a95c2d..5b3e081 100644
--- a/src/protocols.c
+++ b/src/protocols.c
@@ -325,7 +325,7 @@
 
 /* set temp integer to the number of connexions to the same listening socket */
 static int
-acl_fetch_dconn(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_dconn(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->type = SMP_T_UINT;
@@ -335,7 +335,7 @@
 
 /* set temp integer to the id of the socket (listener) */
 static int
-acl_fetch_so_id(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_so_id(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                 const struct arg *args, struct sample *smp)
 {
 	smp->type = SMP_T_UINT;
diff --git a/src/session.c b/src/session.c
index f381f9e..9d1c935 100644
--- a/src/session.c
+++ b/src/session.c
@@ -982,7 +982,7 @@
 		list_for_each_entry(rule, &s->fe->switching_rules, list) {
 			int ret;
 
-			ret = acl_exec_cond(rule->cond, s->fe, s, &s->txn, ACL_DIR_REQ);
+			ret = acl_exec_cond(rule->cond, s->fe, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -1017,7 +1017,7 @@
 		int ret = 1;
 
 		if (prst_rule->cond) {
-	                ret = acl_exec_cond(prst_rule->cond, s->be, s, &s->txn, ACL_DIR_REQ);
+	                ret = acl_exec_cond(prst_rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (prst_rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -1074,7 +1074,7 @@
 		list_for_each_entry(rule, &px->server_rules, list) {
 			int ret;
 
-			ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, ACL_DIR_REQ);
+			ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -1132,7 +1132,7 @@
 			continue;
 
 		if (rule->cond) {
-	                ret = acl_exec_cond(rule->cond, px, s, &s->txn, ACL_DIR_REQ);
+	                ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
 			ret = acl_pass(ret);
 			if (rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -1141,7 +1141,7 @@
 		if (ret) {
 			struct stktable_key *key;
 
-			key = stktable_fetch_key(rule->table.t, px, s, &s->txn, PATTERN_FETCH_REQ, rule->expr);
+			key = stktable_fetch_key(rule->table.t, px, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, rule->expr);
 			if (!key)
 				continue;
 
@@ -1225,7 +1225,7 @@
 			continue;
 
 		if (rule->cond) {
-	                ret = acl_exec_cond(rule->cond, px, s, &s->txn, ACL_DIR_RTR);
+	                ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
 	                ret = acl_pass(ret);
 			if (rule->cond->pol == ACL_COND_UNLESS)
 				ret = !ret;
@@ -1234,7 +1234,7 @@
 		if (ret) {
 			struct stktable_key *key;
 
-			key = stktable_fetch_key(rule->table.t, px, s, &s->txn, PATTERN_FETCH_RTR, rule->expr);
+			key = stktable_fetch_key(rule->table.t, px, s, &s->txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL, rule->expr);
 			if (!key)
 				continue;
 
@@ -2326,7 +2326,7 @@
  * frontend counters.
  */
 static int
-acl_fetch_sc1_get_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2338,7 +2338,7 @@
  * backend counters.
  */
 static int
-acl_fetch_sc2_get_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2351,7 +2351,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_get_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2386,7 +2386,7 @@
  * frontend counters and return it into temp integer.
  */
 static int
-acl_fetch_sc1_inc_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2398,7 +2398,7 @@
  * backend counters and return it into temp integer.
  */
 static int
-acl_fetch_sc2_inc_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2411,7 +2411,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_inc_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2447,7 +2447,7 @@
  * frontend counters and return its previous value into temp integer.
  */
 static int
-acl_fetch_sc1_clr_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2459,7 +2459,7 @@
  * backend counters and return its previous value into temp integer.
  */
 static int
-acl_fetch_sc2_clr_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2472,7 +2472,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_clr_gpc0(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2503,7 +2503,7 @@
 
 /* set temp integer to the cumulated number of connections from the session's tracked FE counters */
 static int
-acl_fetch_sc1_conn_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2514,7 +2514,7 @@
 
 /* set temp integer to the cumulated number of connections from the session's tracked BE counters */
 static int
-acl_fetch_sc2_conn_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2528,7 +2528,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_conn_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2562,7 +2562,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc1_conn_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2575,7 +2575,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc2_conn_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2589,7 +2589,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_conn_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2607,7 +2607,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_updt_conn_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_updt_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	struct stksess *ts;
@@ -2653,7 +2653,7 @@
 
 /* set temp integer to the number of concurrent connections from the session's tracked FE counters */
 static int
-acl_fetch_sc1_conn_cur(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2664,7 +2664,7 @@
 
 /* set temp integer to the number of concurrent connections from the session's tracked BE counters */
 static int
-acl_fetch_sc2_conn_cur(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2678,7 +2678,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_conn_cur(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2709,7 +2709,7 @@
 
 /* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
 static int
-acl_fetch_sc1_sess_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2720,7 +2720,7 @@
 
 /* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
 static int
-acl_fetch_sc2_sess_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2734,7 +2734,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_sess_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2768,7 +2768,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc1_sess_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2781,7 +2781,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc2_sess_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2795,7 +2795,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_sess_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2826,7 +2826,7 @@
 
 /* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
 static int
-acl_fetch_sc1_http_req_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                            const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2837,7 +2837,7 @@
 
 /* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
 static int
-acl_fetch_sc2_http_req_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                            const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2851,7 +2851,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_http_req_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                            const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2885,7 +2885,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc1_http_req_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2898,7 +2898,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc2_http_req_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2912,7 +2912,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_http_req_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -2943,7 +2943,7 @@
 
 /* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
 static int
-acl_fetch_sc1_http_err_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                            const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -2954,7 +2954,7 @@
 
 /* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
 static int
-acl_fetch_sc2_http_err_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                            const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -2968,7 +2968,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_http_err_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                            const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -3002,7 +3002,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc1_http_err_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -3015,7 +3015,7 @@
  * the configured period.
  */
 static int
-acl_fetch_sc2_http_err_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -3029,7 +3029,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_http_err_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -3063,7 +3063,7 @@
  * session's tracked FE counters.
  */
 static int
-acl_fetch_sc1_kbytes_in(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -3076,7 +3076,7 @@
  * session's tracked BE counters.
  */
 static int
-acl_fetch_sc2_kbytes_in(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                         const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -3090,7 +3090,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_kbytes_in(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                        const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -3126,7 +3126,7 @@
  * counters over the configured period.
  */
 static int
-acl_fetch_sc1_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -3139,7 +3139,7 @@
  * counters over the configured period.
  */
 static int
-acl_fetch_sc2_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -3153,7 +3153,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                             const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -3187,7 +3187,7 @@
  * tracked FE counters.
  */
 static int
-acl_fetch_sc1_kbytes_out(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -3200,7 +3200,7 @@
  * tracked BE counters.
  */
 static int
-acl_fetch_sc2_kbytes_out(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -3214,7 +3214,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_kbytes_out(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                          const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -3250,7 +3250,7 @@
  * over the configured period.
  */
 static int
-acl_fetch_sc1_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc1_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                              const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr1_entry)
@@ -3263,7 +3263,7 @@
  * over the configured period.
  */
 static int
-acl_fetch_sc2_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_sc2_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                              const struct arg *args, struct sample *smp)
 {
 	if (!l4->stkctr2_entry)
@@ -3277,7 +3277,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_src_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_src_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                              const struct arg *args, struct sample *smp)
 {
 	struct stktable_key *key;
@@ -3294,7 +3294,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_table_cnt(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_table_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                     const struct arg *args, struct sample *smp)
 {
 	smp->flags = SMP_F_VOL_TEST;
@@ -3307,7 +3307,7 @@
  * Accepts exactly 1 argument of type table.
  */
 static int
-acl_fetch_table_avl(struct proxy *px, struct session *l4, void *l7, int dir,
+acl_fetch_table_avl(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
                     const struct arg *args, struct sample *smp)
 {
 	px = args->data.prx;
diff --git a/src/stick_table.c b/src/stick_table.c
index 08a84f2..7bff124 100644
--- a/src/stick_table.c
+++ b/src/stick_table.c
@@ -586,16 +586,17 @@
 
 /*
  * Process a fetch + format conversion as defined by the pattern expression <expr>
- * on request or response considering the <dir> parameter. Returns either NULL if
+ * on request or response considering the <opt> parameter. Returns either NULL if
  * no key could be extracted, or a pointer to the converted result stored in
  * static_table_key in format <table_type>.
  */
-struct stktable_key *stktable_fetch_key(struct stktable *t, struct proxy *px, struct session *l4, void *l7, int dir,
+struct stktable_key *stktable_fetch_key(struct stktable *t, struct proxy *px, struct session *l4, void *l7,
+					unsigned int opt,
                                         struct pattern_expr *expr)
 {
 	struct sample *smp;
 
-	smp = pattern_process(px, l4, l7, dir, expr, NULL);
+	smp = pattern_process(px, l4, l7, opt, expr, NULL);
 	if (!smp)
 		return NULL;