[PATCH iproute2 1/2] utils: make hex2mem available to all users

@@ -118,6 +118,7 @@ int get_be32(__be32 *val, const char *arg, int base);
 int get_be16(__be16 *val, const char *arg, int base);
 int get_addr64(__u64 *ap, const char *cp);
 
+int hex2mem(const char *buf, uint8_t *mem, int count);
 char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
 __u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len);
 #define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")

@@ -485,31 +485,6 @@ static int get_tunnel(struct l2tp_data *p)
  * Command parser
  *****************************************************************************/
 
-static int hex2mem(const char *buf, uint8_t *mem, int count)
-{
-	int i, j;
-	int c;
-
-	for (i = 0, j = 0; i < count; i++, j += 2) {
-		c = get_hex(buf[j]);
-		if (c < 0)
-			goto err;
-
-		mem[i] = c << 4;
-
-		c = get_hex(buf[j + 1]);
-		if (c < 0)
-			goto err;
-
-		mem[i] |= c;
-	}
-
-	return 0;
-
-err:
-	return -1;
-}
-
 static void usage(void) __attribute__((noreturn));
 
 static void usage(void)

@@ -962,6 +962,31 @@ __u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len)
 	return buf;
 }
 
+int hex2mem(const char *buf, uint8_t *mem, int count)
+{
+	int i, j;
+	int c;
+
+	for (i = 0, j = 0; i < count; i++, j += 2) {
+		c = get_hex(buf[j]);
+		if (c < 0)
+			goto err;
+
+		mem[i] = c << 4;
+
+		c = get_hex(buf[j + 1]);
+		if (c < 0)
+			goto err;
+
+		mem[i] |= c;
+	}
+
+	return 0;
+
+err:
+	return -1;
+}
+
 int addr64_n2a(__u64 addr, char *buff, size_t len)
 {
 	__u16 *words = (__u16 *)&addr;

@@ -343,7 +343,7 @@ enum {
 	TCA_BPF_NAME,
 	TCA_BPF_FLAGS,
 	TCA_BPF_FLAGS_GEN,
-	TCA_BPF_DIGEST,
+	TCA_BPF_TAG,
 	__TCA_BPF_MAX,
 };
 

@@ -150,18 +150,19 @@ new_cmd(char **argv)
 
 }
 
-int
-parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
+int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
 {
 	int argc = *argc_p;
 	char **argv = *argv_p;
 	struct rtattr *tail, *tail2;
 	char k[16];
+	int act_ck_len = 0;
 	int ok = 0;
 	int eap = 0; /* expect action parameters */
 
 	int ret = 0;
 	int prio = 0;
+	unsigned char act_ck[TC_COOKIE_MAX_SIZE];
 
 	if (argc <= 0)
 		return -1;

@@ -215,16 +216,39 @@ done0:
 			addattr_l(n, MAX_MSG, ++prio, NULL, 0);
 			addattr_l(n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1);
 
-			ret = a->parse_aopt(a, &argc, &argv, TCA_ACT_OPTIONS, n);
+			ret = a->parse_aopt(a, &argc, &argv, TCA_ACT_OPTIONS,
+					    n);
 
 			if (ret < 0) {
 				fprintf(stderr, "bad action parsing\n");
 				goto bad_val;
 			}
+
+			if (*argv && strcmp(*argv, "cookie") == 0) {
+				int slen;
+
+				NEXT_ARG();
+				slen = strlen(*argv);
+				if (slen > (TC_COOKIE_MAX_SIZE*2))
+					invarg("cookie cannot exceed %d\n",
+					       *argv);
+
+				if (hex2mem(*argv, act_ck, slen/2) < 0)
+					invarg("cookie must be a hex string\n",
+					       *argv);
+
+				act_ck_len = slen;
+				argc--;
+				argv++;
+			}
+
+			if (act_ck_len)
+				addattr_l(n, MAX_MSG, TCA_ACT_COOKIE,
+					  (const void *)&act_ck, act_ck_len);
+
 			tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
 			ok++;
 		}
-
 	}
 
 	if (eap > 0) {

@@ -245,8 +269,7 @@ bad_val:
 	return -1;
 }
 
-static int
-tc_print_one_action(FILE *f, struct rtattr *arg)
+static int tc_print_one_action(FILE *f, struct rtattr *arg)
 {
 
 	struct rtattr *tb[TCA_ACT_MAX + 1];

@@ -274,8 +297,17 @@ tc_print_one_action(FILE *f, struct rtattr *arg)
 		return err;
 
 	if (show_stats && tb[TCA_ACT_STATS]) {
+
 		fprintf(f, "\tAction statistics:\n");
 		print_tcstats2_attr(f, tb[TCA_ACT_STATS], "\t", NULL);
+		if (tb[TCA_ACT_COOKIE]) {
+			int strsz = RTA_PAYLOAD(tb[TCA_ACT_COOKIE]);
+			char b1[strsz+1];
+
+			fprintf(f, "\n\tcookie len %d %s ", strsz,
+				hexstring_n2a(RTA_DATA(tb[TCA_ACT_COOKIE]),
+					      strsz, b1, sizeof(b1)));
+		}
 		fprintf(f, "\n");
 	}