Merge branch 'master' into net-next

bridge/fdb.c

@@ -27,7 +27,7 @@
 #include "rt_names.h"
 #include "utils.h"
 
-static unsigned int filter_index;
+static unsigned int filter_index, filter_vlan;
 
 static void usage(void)
 {
@@ -35,7 +35,7 @@ static void usage(void)
 			"              [ self ] [ master ] [ use ] [ router ]\n"
 			"              [ local | static | dynamic ] [ dst IPADDR ] [ vlan VID ]\n"
 			"              [ port PORT] [ vni VNI ] [ via DEV ]\n");
-	fprintf(stderr, "       bridge fdb [ show [ br BRDEV ] [ brport DEV ] ]\n");
+	fprintf(stderr, "       bridge fdb [ show [ br BRDEV ] [ brport DEV ] [ vlan VID ] ]\n");
 	exit(-1);
 }
 
@@ -65,6 +65,7 @@ int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 	struct ndmsg *r = NLMSG_DATA(n);
 	int len = n->nlmsg_len;
 	struct rtattr *tb[NDA_MAX+1];
+	__u16 vid = 0;
 
 	if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH) {
 		fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n",
@@ -88,6 +89,12 @@ int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 	parse_rtattr(tb, NDA_MAX, NDA_RTA(r),
 		     n->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
 
+	if (tb[NDA_VLAN])
+		vid = rta_getattr_u16(tb[NDA_VLAN]);
+
+	if (filter_vlan && filter_vlan != vid)
+		return 0;
+
 	if (n->nlmsg_type == RTM_DELNEIGH)
 		fprintf(fp, "Deleted ");
 
@@ -115,11 +122,8 @@ int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 				    RTA_DATA(tb[NDA_DST])));
 	}
 
-	if (tb[NDA_VLAN]) {
-		__u16 vid = rta_getattr_u16(tb[NDA_VLAN]);
-
+	if (vid)
 		fprintf(fp, "vlan %hu ", vid);
-	}
 
 	if (tb[NDA_PORT])
 		fprintf(fp, "port %d ", ntohs(rta_getattr_u16(tb[NDA_PORT])));
@@ -190,6 +194,11 @@ static int fdb_show(int argc, char **argv)
 		} else if (strcmp(*argv, "br") == 0) {
 			NEXT_ARG();
 			br = *argv;
+		} else if (strcmp(*argv, "vlan") == 0) {
+			NEXT_ARG();
+			if (filter_vlan)
+				duparg("vlan", *argv);
+			filter_vlan = atoi(*argv);
 		} else {
 			if (matches(*argv, "help") == 0)
 				usage();

bridge/mdb.c

@@ -24,12 +24,12 @@
 	((struct rtattr *)(((char *)(r)) + NLMSG_ALIGN(sizeof(struct br_port_msg))))
 #endif
 
-static unsigned int filter_index;
+static unsigned int filter_index, filter_vlan;
 
 static void usage(void)
 {
 	fprintf(stderr, "Usage: bridge mdb { add | del } dev DEV port PORT grp GROUP [permanent | temp] [vid VID]\n");
-	fprintf(stderr, "       bridge mdb {show} [ dev DEV ]\n");
+	fprintf(stderr, "       bridge mdb {show} [ dev DEV ] [ vid VID ]\n");
 	exit(-1);
 }
 
@@ -92,6 +92,8 @@ static void print_mdb_entry(FILE *f, int ifindex, struct br_mdb_entry *e,
 	const void *src;
 	int af;
 
+	if (filter_vlan && e->vid != filter_vlan)
+		return;
 	af = e->addr.proto == htons(ETH_P_IP) ? AF_INET : AF_INET6;
 	src = af == AF_INET ? (const void *)&e->addr.u.ip4 :
 			      (const void *)&e->addr.u.ip6;
@@ -195,6 +197,11 @@ static int mdb_show(int argc, char **argv)
 			if (filter_dev)
 				duparg("dev", *argv);
 			filter_dev = *argv;
+		} else if (strcmp(*argv, "vid") == 0) {
+			NEXT_ARG();
+			if (filter_vlan)
+				duparg("vid", *argv);
+			filter_vlan = atoi(*argv);
 		}
 		argc--; argv++;
 	}

bridge/vlan.c

@@ -13,13 +13,13 @@
 #include "br_common.h"
 #include "utils.h"
 
-static unsigned int filter_index;
+static unsigned int filter_index, filter_vlan;
 
 static void usage(void)
 {
 	fprintf(stderr, "Usage: bridge vlan { add | del } vid VLAN_ID dev DEV [ pvid] [ untagged ]\n");
 	fprintf(stderr, "                                                     [ self ] [ master ]\n");
-	fprintf(stderr, "       bridge vlan { show } [ dev DEV ]\n");
+	fprintf(stderr, "       bridge vlan { show } [ dev DEV ] [ vid VLAN_ID ]\n");
 	exit(-1);
 }
 
@@ -138,6 +138,26 @@ static int vlan_modify(int cmd, int argc, char **argv)
 	return 0;
 }
 
+/* In order to use this function for both filtering and non-filtering cases
+ * we need to make it a tristate:
+ * return -1 - if filtering we've gone over so don't continue
+ * return  0 - skip entry and continue (applies to range start or to entries
+ *             which are less than filter_vlan)
+ * return  1 - print the entry and continue
+ */
+static int filter_vlan_check(struct bridge_vlan_info *vinfo)
+{
+	/* if we're filtering we should stop on the first greater entry */
+	if (filter_vlan && vinfo->vid > filter_vlan &&
+	    !(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
+		return -1;
+	if ((vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) ||
+	    vinfo->vid < filter_vlan)
+		return 0;
+
+	return 1;
+}
+
 static int print_vlan(const struct sockaddr_nl *who,
 		      struct nlmsghdr *n,
 		      void *arg)
@@ -169,26 +189,40 @@ static int print_vlan(const struct sockaddr_nl *who,
 
 	/* if AF_SPEC isn't there, vlan table is not preset for this port */
 	if (!tb[IFLA_AF_SPEC]) {
-		fprintf(fp, "%s\tNone\n", ll_index_to_name(ifm->ifi_index));
+		if (!filter_vlan)
+			fprintf(fp, "%s\tNone\n",
+				ll_index_to_name(ifm->ifi_index));
 		return 0;
 	} else {
 		struct rtattr *i, *list = tb[IFLA_AF_SPEC];
 		int rem = RTA_PAYLOAD(list);
+		__u16 last_vid_start = 0;
 
-		fprintf(fp, "%s", ll_index_to_name(ifm->ifi_index));
+		if (!filter_vlan)
+			fprintf(fp, "%s", ll_index_to_name(ifm->ifi_index));
 		for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
 			struct bridge_vlan_info *vinfo;
+			int vcheck_ret;
 
 			if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
 				continue;
 
 			vinfo = RTA_DATA(i);
-			if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END)
-				fprintf(fp, "-%hu", vinfo->vid);
-			else
-				fprintf(fp, "\t %hu", vinfo->vid);
-			if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN)
+
+			if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
+				last_vid_start = vinfo->vid;
+			vcheck_ret = filter_vlan_check(vinfo);
+			if (vcheck_ret == -1)
+				break;
+			else if (vcheck_ret == 0)
 				continue;
+
+			if (filter_vlan)
+				fprintf(fp, "%s",
+					ll_index_to_name(ifm->ifi_index));
+			fprintf(fp, "\t %hu", last_vid_start);
+			if (last_vid_start != vinfo->vid)
+				fprintf(fp, "-%hu", vinfo->vid);
 			if (vinfo->flags & BRIDGE_VLAN_INFO_PVID)
 				fprintf(fp, " PVID");
 			if (vinfo->flags & BRIDGE_VLAN_INFO_UNTAGGED)
@@ -196,7 +230,8 @@ static int print_vlan(const struct sockaddr_nl *who,
 			fprintf(fp, "\n");
 		}
 	}
-	fprintf(fp, "\n");
+	if (!filter_vlan)
+		fprintf(fp, "\n");
 	fflush(fp);
 	return 0;
 }
@@ -211,6 +246,11 @@ static int vlan_show(int argc, char **argv)
 			if (filter_dev)
 				duparg("dev", *argv);
 			filter_dev = *argv;
+		} else if (strcmp(*argv, "vid") == 0) {
+			NEXT_ARG();
+			if (filter_vlan)
+				duparg("vid", *argv);
+			filter_vlan = atoi(*argv);
 		}
 		argc--; argv++;
 	}

examples/bpf/bpf_cyclic.c

@@ -6,7 +6,14 @@
  */
 #define JMP_MAP_ID	0xabccba
 
-BPF_PROG_ARRAY(jmp_tc, JMP_MAP_ID, PIN_OBJECT_NS, 1);
+struct bpf_elf_map __section_maps jmp_tc = {
+	.type		= BPF_MAP_TYPE_PROG_ARRAY,
+	.id		= JMP_MAP_ID,
+	.size_key	= sizeof(uint32_t),
+	.size_value	= sizeof(uint32_t),
+	.pinning	= PIN_OBJECT_NS,
+	.max_elem	= 1,
+};
 
 __section_tail(JMP_MAP_ID, 0)
 int cls_loop(struct __sk_buff *skb)

examples/bpf/bpf_graft.c

@@ -33,7 +33,13 @@
  *   [...]
  */
 
-BPF_PROG_ARRAY(jmp_tc, 0, PIN_GLOBAL_NS, 1);
+struct bpf_elf_map __section_maps jmp_tc = {
+	.type		= BPF_MAP_TYPE_PROG_ARRAY,
+	.size_key	= sizeof(uint32_t),
+	.size_value	= sizeof(uint32_t),
+	.pinning	= PIN_GLOBAL_NS,
+	.max_elem	= 1,
+};
 
 __section("aaa")
 int cls_aaa(struct __sk_buff *skb)

examples/bpf/bpf_prog.c

@@ -192,6 +192,7 @@ struct bpf_elf_map __section("maps") map_proto = {
 	.size_key	=	sizeof(uint8_t),
 	.size_value	=	sizeof(struct count_tuple),
 	.max_elem	=	256,
+	.flags		=	BPF_F_NO_PREALLOC,
 };
 
 struct bpf_elf_map __section("maps") map_queue = {
@@ -200,6 +201,7 @@ struct bpf_elf_map __section("maps") map_queue = {
 	.size_key	=	sizeof(uint32_t),
 	.size_value	=	sizeof(struct count_queue),
 	.max_elem	=	1024,
+	.flags		=	BPF_F_NO_PREALLOC,
 };
 
 struct bpf_elf_map __section("maps") map_drops = {

examples/bpf/bpf_shared.c

@@ -18,7 +18,13 @@
  * instance is being created.
  */
 
-BPF_ARRAY4(map_sh, 0, PIN_OBJECT_NS, 1); /* or PIN_GLOBAL_NS, or PIN_NONE */
+struct bpf_elf_map __section_maps map_sh = {
+	.type		= BPF_MAP_TYPE_ARRAY,
+	.size_key	= sizeof(uint32_t),
+	.size_value	= sizeof(uint32_t),
+	.pinning	= PIN_OBJECT_NS, /* or PIN_GLOBAL_NS, or PIN_NONE */
+	.max_elem	= 1,
+};
 
 __section("egress")
 int emain(struct __sk_buff *skb)

examples/bpf/bpf_tailcall.c

@@ -26,10 +26,31 @@
  * classifier behaviour.
  */
 
-BPF_PROG_ARRAY(jmp_tc, FOO, PIN_OBJECT_NS, MAX_JMP_SIZE);
-BPF_PROG_ARRAY(jmp_ex, BAR, PIN_OBJECT_NS, 1);
-
-BPF_ARRAY4(map_sh, 0, PIN_OBJECT_NS, 1);
+struct bpf_elf_map __section_maps jmp_tc = {
+	.type		= BPF_MAP_TYPE_PROG_ARRAY,
+	.id		= FOO,
+	.size_key	= sizeof(uint32_t),
+	.size_value	= sizeof(uint32_t),
+	.pinning	= PIN_OBJECT_NS,
+	.max_elem	= MAX_JMP_SIZE,
+};
+
+struct bpf_elf_map __section_maps jmp_ex = {
+	.type		= BPF_MAP_TYPE_PROG_ARRAY,
+	.id		= BAR,
+	.size_key	= sizeof(uint32_t),
+	.size_value	= sizeof(uint32_t),
+	.pinning	= PIN_OBJECT_NS,
+	.max_elem	= 1,
+};
+
+struct bpf_elf_map __section_maps map_sh = {
+	.type		= BPF_MAP_TYPE_ARRAY,
+	.size_key	= sizeof(uint32_t),
+	.size_value	= sizeof(uint32_t),
+	.pinning	= PIN_OBJECT_NS,
+	.max_elem	= 1,
+};
 
 __section_tail(FOO, ENTRY_0)
 int cls_case1(struct __sk_buff *skb)

include/bpf_api.h

@@ -99,51 +99,6 @@
 	char ____license[] __section_license = NAME
 #endif
 
-#ifndef __BPF_MAP
-# define __BPF_MAP(NAME, TYPE, ID, SIZE_KEY, SIZE_VALUE, PIN, MAX_ELEM)	\
-	struct bpf_elf_map __section_maps NAME = {			\
-		.type		= (TYPE),				\
-		.id		= (ID),					\
-		.size_key	= (SIZE_KEY),				\
-		.size_value	= (SIZE_VALUE),				\
-		.pinning	= (PIN),				\
-		.max_elem	= (MAX_ELEM),				\
-	}
-#endif
-
-#ifndef BPF_HASH
-# define BPF_HASH(NAME, ID, SIZE_KEY, SIZE_VALUE, PIN, MAX_ELEM)	\
-	__BPF_MAP(NAME, BPF_MAP_TYPE_HASH, ID, SIZE_KEY, SIZE_VALUE,	\
-		  PIN, MAX_ELEM)
-#endif
-
-#ifndef BPF_ARRAY
-# define BPF_ARRAY(NAME, ID, SIZE_VALUE, PIN, MAX_ELEM)			\
-	__BPF_MAP(NAME, BPF_MAP_TYPE_ARRAY, ID, sizeof(uint32_t), 	\
-		  SIZE_VALUE, PIN, MAX_ELEM)
-#endif
-
-#ifndef BPF_ARRAY2
-# define BPF_ARRAY2(NAME, ID, PIN, MAX_ELEM)				\
-	BPF_ARRAY(NAME, ID, sizeof(uint16_t), PIN, MAX_ELEM)
-#endif
-
-#ifndef BPF_ARRAY4
-# define BPF_ARRAY4(NAME, ID, PIN, MAX_ELEM)				\
-	BPF_ARRAY(NAME, ID, sizeof(uint32_t), PIN, MAX_ELEM)
-#endif
-
-#ifndef BPF_ARRAY8
-# define BPF_ARRAY8(NAME, ID, PIN, MAX_ELEM)				\
-	BPF_ARRAY(NAME, ID, sizeof(uint64_t), PIN, MAX_ELEM)
-#endif
-
-#ifndef BPF_PROG_ARRAY
-# define BPF_PROG_ARRAY(NAME, ID, PIN, MAX_ELEM)			\
-	__BPF_MAP(NAME, BPF_MAP_TYPE_PROG_ARRAY, ID, sizeof(uint32_t),	\
-		  sizeof(uint32_t), PIN, MAX_ELEM)
-#endif
-
 /** Classifier helper */
 
 #ifndef BPF_H_DEFAULT
@@ -212,6 +167,8 @@ static int BPF_FUNC(l3_csum_replace, struct __sk_buff *skb, uint32_t off,
 		    uint32_t from, uint32_t to, uint32_t flags);
 static int BPF_FUNC(l4_csum_replace, struct __sk_buff *skb, uint32_t off,
 		    uint32_t from, uint32_t to, uint32_t flags);
+static int BPF_FUNC(csum_diff, const void *from, uint32_t from_size,
+		    const void *to, uint32_t to_size, uint32_t seed);
 
 /* Packet vlan encap/decap */
 static int BPF_FUNC(skb_vlan_push, struct __sk_buff *skb, uint16_t proto,
@@ -225,6 +182,11 @@ static int BPF_FUNC(skb_set_tunnel_key, struct __sk_buff *skb,
 		    const struct bpf_tunnel_key *from, uint32_t size,
 		    uint32_t flags);
 
+static int BPF_FUNC(skb_get_tunnel_opt, struct __sk_buff *skb,
+		    void *to, uint32_t size);
+static int BPF_FUNC(skb_set_tunnel_opt, struct __sk_buff *skb,
+		    const void *from, uint32_t size);
+
 /** LLVM built-ins, mem*() routines work for constant size */
 
 #ifndef lock_xadd

include/bpf_elf.h

@@ -32,6 +32,7 @@ struct bpf_elf_map {
 	__u32 size_key;
 	__u32 size_value;
 	__u32 max_elem;
+	__u32 flags;
 	__u32 id;
 	__u32 pinning;
 };

ip/ipaddress.c

@@ -326,7 +326,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 	 * this kernel.
 	 */
 	tmp = (struct rtattr *)((char *)vf[IFLA_VF_TX_RATE] +
-			vf[IFLA_VF_TX_RATE]->rta_len);
+				vf[IFLA_VF_TX_RATE]->rta_len);
 
 	if (tmp->rta_type != IFLA_VF_SPOOFCHK)
 		vf_spoofchk = NULL;
@@ -338,7 +338,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 		 * this kernel.
 		 */
 		tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] +
-				vf[IFLA_VF_SPOOFCHK]->rta_len);
+					vf[IFLA_VF_SPOOFCHK]->rta_len);
 
 		if (tmp->rta_type != IFLA_VF_LINK_STATE)
 			vf_linkstate = NULL;
@@ -349,7 +349,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 
 	fprintf(fp, "%s    vf %d MAC %s", _SL_, vf_mac->vf,
 		ll_addr_n2a((unsigned char *)&vf_mac->mac,
-		ETH_ALEN, 0, b1, sizeof(b1)));
+			    ETH_ALEN, 0, b1, sizeof(b1)));
 	if (vf_vlan->vlan)
 		fprintf(fp, ", vlan %d", vf_vlan->vlan);
 	if (vf_vlan->qos)
@@ -380,6 +380,13 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 		else
 			fprintf(fp, ", link-state disable");
 	}
+	if (vf[IFLA_VF_TRUST]) {
+		struct ifla_vf_trust *vf_trust = RTA_DATA(vf[IFLA_VF_TRUST]);
+
+		if (vf_trust->setting != -1)
+			fprintf(fp, ", trust %s",
+			        vf_trust->setting ? "on" : "off");
+	}
 	if (vf[IFLA_VF_STATS] && show_stats)
 		print_vf_stats64(fp, vf[IFLA_VF_STATS]);
 }
@@ -782,7 +789,7 @@ int print_linkinfo(const struct sockaddr_nl *who,
 
 	fprintf(fp, "%d: ", ifi->ifi_index);
 	color_fprintf(fp, COLOR_IFNAME, "%s",
-		tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
+		      tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
 
 	if (tb[IFLA_LINK]) {
 		SPRINT_BUF(b1);
@@ -813,22 +820,6 @@ int print_linkinfo(const struct sockaddr_nl *who,
 		fprintf(fp, "master %s ", ll_idx_n2a(*(int *)RTA_DATA(tb[IFLA_MASTER]), b1));
 	}
 
-	if (tb[IFLA_PHYS_PORT_ID]) {
-		SPRINT_BUF(b1);
-		fprintf(fp, "portid %s ",
-			hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_PORT_ID]),
-				      RTA_PAYLOAD(tb[IFLA_PHYS_PORT_ID]),
-				      b1, sizeof(b1)));
-	}
-
-	if (tb[IFLA_PHYS_SWITCH_ID]) {
-		SPRINT_BUF(b1);
-		fprintf(fp, "switchid %s ",
-			hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_SWITCH_ID]),
-				      RTA_PAYLOAD(tb[IFLA_PHYS_SWITCH_ID]),
-				      b1, sizeof(b1)));
-	}
-
 	if (tb[IFLA_OPERSTATE])
 		print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
 
@@ -852,10 +843,10 @@ int print_linkinfo(const struct sockaddr_nl *who,
 
 		if (tb[IFLA_ADDRESS]) {
 			color_fprintf(fp, COLOR_MAC, "%s",
-					ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
-						RTA_PAYLOAD(tb[IFLA_ADDRESS]),
-						ifi->ifi_type,
-						b1, sizeof(b1)));
+				      ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
+						  RTA_PAYLOAD(tb[IFLA_ADDRESS]),
+						  ifi->ifi_type,
+						  b1, sizeof(b1)));
 		}
 		if (tb[IFLA_BROADCAST]) {
 			if (ifi->ifi_flags&IFF_POINTOPOINT)
@@ -863,10 +854,10 @@ int print_linkinfo(const struct sockaddr_nl *who,
 			else
 				fprintf(fp, " brd ");
 			color_fprintf(fp, COLOR_MAC, "%s",
-					ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
-						      RTA_PAYLOAD(tb[IFLA_BROADCAST]),
-						      ifi->ifi_type,
-						      b1, sizeof(b1)));
+				      ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
+						  RTA_PAYLOAD(tb[IFLA_BROADCAST]),
+						  ifi->ifi_type,
+						  b1, sizeof(b1)));
 		}
 	}
 
@@ -884,15 +875,46 @@ int print_linkinfo(const struct sockaddr_nl *who,
 			fprintf(fp, " protodown on ");
 	}
 
-	if (tb[IFLA_PROMISCUITY] && show_details)
-		fprintf(fp, " promiscuity %u ",
-			*(int *)RTA_DATA(tb[IFLA_PROMISCUITY]));
+	if (show_details) {
+		if (tb[IFLA_PROMISCUITY])
+			fprintf(fp, " promiscuity %u ",
+				*(int *)RTA_DATA(tb[IFLA_PROMISCUITY]));
+
+		if (tb[IFLA_LINKINFO])
+			print_linktype(fp, tb[IFLA_LINKINFO]);
+
+		if (do_link && tb[IFLA_AF_SPEC])
+			print_af_spec(fp, tb[IFLA_AF_SPEC]);
+
+		if (tb[IFLA_NUM_TX_QUEUES])
+			fprintf(fp, "numtxqueues %u ",
+				rta_getattr_u32(tb[IFLA_NUM_TX_QUEUES]));
+
+		if (tb[IFLA_NUM_RX_QUEUES])
+			fprintf(fp, "numrxqueues %u ",
+				rta_getattr_u32(tb[IFLA_NUM_RX_QUEUES]));
 
-	if (tb[IFLA_LINKINFO] && show_details)
-		print_linktype(fp, tb[IFLA_LINKINFO]);
+		if (tb[IFLA_PHYS_PORT_NAME])
+			fprintf(fp, "portname %s ",
+				rta_getattr_str(tb[IFLA_PHYS_PORT_NAME]));
+
+		if (tb[IFLA_PHYS_PORT_ID]) {
+			SPRINT_BUF(b1);
+			fprintf(fp, "portid %s ",
+				hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_PORT_ID]),
+					      RTA_PAYLOAD(tb[IFLA_PHYS_PORT_ID]),
+					      b1, sizeof(b1)));
+		}
+
+		if (tb[IFLA_PHYS_SWITCH_ID]) {
+			SPRINT_BUF(b1);
+			fprintf(fp, "switchid %s ",
+				hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_SWITCH_ID]),
+					      RTA_PAYLOAD(tb[IFLA_PHYS_SWITCH_ID]),
+					      b1, sizeof(b1)));
+		}
+	}
 
-	if (do_link && tb[IFLA_AF_SPEC] && show_details)
-		print_af_spec(fp, tb[IFLA_AF_SPEC]);
 
 	if ((do_link || show_details) && tb[IFLA_IFALIAS]) {
 		fprintf(fp, "%s    alias %s", _SL_,

tc/tc_bpf.c

@@ -20,6 +20,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
+#include <limits.h>
 
 #ifdef HAVE_ELF
 #include <libelf.h>
@@ -184,7 +185,7 @@ static int bpf_ops_parse(int argc, char **argv, struct sock_filter *bpf_ops,
 	}
 
 	if (i != bpf_len) {
-		fprintf(stderr, "Parsed program length is less than encodedlength parameter!\n");
+		fprintf(stderr, "Parsed program length is less than encoded length parameter!\n");
 		ret = -EINVAL;
 		goto out;
 	}
@@ -214,6 +215,30 @@ void bpf_print_ops(FILE *f, struct rtattr *bpf_ops, __u16 len)
 		ops[i].jf, ops[i].k);
 }
 
+static void bpf_map_pin_report(const struct bpf_elf_map *pin,
+			       const struct bpf_elf_map *obj)
+{
+	fprintf(stderr, "Map specification differs from pinned file!\n");
+
+	if (obj->type != pin->type)
+		fprintf(stderr, " - Type:         %u (obj) != %u (pin)\n",
+			obj->type, pin->type);
+	if (obj->size_key != pin->size_key)
+		fprintf(stderr, " - Size key:     %u (obj) != %u (pin)\n",
+			obj->size_key, pin->size_key);
+	if (obj->size_value != pin->size_value)
+		fprintf(stderr, " - Size value:   %u (obj) != %u (pin)\n",
+			obj->size_value, pin->size_value);
+	if (obj->max_elem != pin->max_elem)
+		fprintf(stderr, " - Max elems:    %u (obj) != %u (pin)\n",
+			obj->max_elem, pin->max_elem);
+	if (obj->flags != pin->flags)
+		fprintf(stderr, " - Flags:        %#x (obj) != %#x (pin)\n",
+			obj->flags, pin->flags);
+
+	fprintf(stderr, "\n");
+}
+
 static int bpf_map_selfcheck_pinned(int fd, const struct bpf_elf_map *map,
 				    int length)
 {
@@ -240,6 +265,8 @@ static int bpf_map_selfcheck_pinned(int fd, const struct bpf_elf_map *map,
 			tmp.size_value = val;
 		else if (sscanf(buff, "max_entries:\t%u", &val) == 1)
 			tmp.max_elem = val;
+		else if (sscanf(buff, "map_flags:\t%i", &val) == 1)
+			tmp.flags = val;
 	}
 
 	fclose(fp);
@@ -256,7 +283,7 @@ static int bpf_map_selfcheck_pinned(int fd, const struct bpf_elf_map *map,
 		if (!memcmp(&tmp, &zero, length))
 			return 0;
 
-		fprintf(stderr, "Map specs from pinned file differ!\n");
+		bpf_map_pin_report(&tmp, map);
 		return -EINVAL;
 	}
 }
@@ -735,7 +762,19 @@ bpf_dump_error(struct bpf_elf_ctx *ctx, const char *format, ...)
 	va_end(vl);
 
 	if (ctx->log && ctx->log[0]) {
-		fprintf(stderr, "%s\n", ctx->log);
+		if (ctx->verbose) {
+			fprintf(stderr, "%s\n", ctx->log);
+		} else {
+			unsigned int off = 0, len = strlen(ctx->log);
+
+			if (len > BPF_MAX_LOG) {
+				off = len - BPF_MAX_LOG;
+				fprintf(stderr, "Skipped %u bytes, use \'verb\' option for the full verbose log.\n[...]\n",
+					off);
+			}
+			fprintf(stderr, "%s\n", ctx->log + off);
+		}
+
 		memset(ctx->log, 0, ctx->log_size);
 	}
 }
@@ -763,8 +802,9 @@ static int bpf_log_realloc(struct bpf_elf_ctx *ctx)
 	return 0;
 }
 
-static int bpf_map_create(enum bpf_map_type type, unsigned int size_key,
-			  unsigned int size_value, unsigned int max_elem)
+static int bpf_map_create(enum bpf_map_type type, uint32_t size_key,
+			  uint32_t size_value, uint32_t max_elem,
+			  uint32_t flags)
 {
 	union bpf_attr attr;
 
@@ -773,6 +813,7 @@ static int bpf_map_create(enum bpf_map_type type, unsigned int size_key,
 	attr.key_size = size_key;
 	attr.value_size = size_value;
 	attr.max_entries = max_elem;
+	attr.map_flags = flags;
 
 	return bpf(BPF_MAP_CREATE, &attr, sizeof(attr));
 }
@@ -1055,14 +1096,16 @@ static void bpf_prog_report(int fd, const char *section,
 			    const struct bpf_elf_prog *prog,
 			    struct bpf_elf_ctx *ctx)
 {
-	fprintf(stderr, "Prog section \'%s\' %s%s (%d)!\n", section,
+	unsigned int insns = prog->size / sizeof(struct bpf_insn);
+
+	fprintf(stderr, "\nProg section \'%s\' %s%s (%d)!\n", section,
 		fd < 0 ? "rejected: " : "loaded",
 		fd < 0 ? strerror(errno) : "",
 		fd < 0 ? errno : fd);
 
 	fprintf(stderr, " - Type:         %u\n", prog->type);
-	fprintf(stderr, " - Instructions: %zu\n",
-		prog->size / sizeof(struct bpf_insn));
+	fprintf(stderr, " - Instructions: %u (%u over limit)\n",
+		insns, insns > BPF_MAXINSNS ? insns - BPF_MAXINSNS : 0);
 	fprintf(stderr, " - License:      %s\n\n", prog->license);
 
 	bpf_dump_error(ctx, "Verifier analysis:\n\n");
@@ -1112,7 +1155,8 @@ static void bpf_map_report(int fd, const char *name,
 	fprintf(stderr, " - Pinning:      %u\n", map->pinning);
 	fprintf(stderr, " - Size key:     %u\n", map->size_key);
 	fprintf(stderr, " - Size value:   %u\n", map->size_value);
-	fprintf(stderr, " - Max elems:    %u\n\n", map->max_elem);
+	fprintf(stderr, " - Max elems:    %u\n", map->max_elem);
+	fprintf(stderr, " - Flags:        %#x\n\n", map->flags);
 }
 
 static int bpf_map_attach(const char *name, const struct bpf_elf_map *map,
@@ -1139,7 +1183,7 @@ static int bpf_map_attach(const char *name, const struct bpf_elf_map *map,
 
 	errno = 0;
 	fd = bpf_map_create(map->type, map->size_key, map->size_value,
-			    map->max_elem);
+			    map->max_elem, map->flags);
 	if (fd < 0 || ctx->verbose) {
 		bpf_map_report(fd, name, map, ctx);
 		if (fd < 0)
@@ -1283,6 +1327,11 @@ static int bpf_fetch_strtab(struct bpf_elf_ctx *ctx, int section,
 	return 0;
 }
 
+static bool bpf_has_map_data(const struct bpf_elf_ctx *ctx)
+{
+	return ctx->sym_tab && ctx->str_tab && ctx->sec_maps;
+}
+
 static int bpf_fetch_ancillary(struct bpf_elf_ctx *ctx)
 {
 	struct bpf_elf_sec_data data;
@@ -1306,13 +1355,13 @@ static int bpf_fetch_ancillary(struct bpf_elf_ctx *ctx)
 			 !strcmp(data.sec_name, ".strtab"))
 			ret = bpf_fetch_strtab(ctx, i, &data);
 		if (ret < 0) {
-			fprintf(stderr, "Error parsing section %d! Perhapscheck with readelf -a?\n",
+			fprintf(stderr, "Error parsing section %d! Perhaps check with readelf -a?\n",
 				i);
 			break;
 		}
 	}
 
-	if (ctx->sym_tab && ctx->str_tab && ctx->sec_maps) {
+	if (bpf_has_map_data(ctx)) {
 		ret = bpf_maps_attach_all(ctx);
 		if (ret < 0) {
 			fprintf(stderr, "Error loading maps into kernel!\n");
@@ -1348,7 +1397,7 @@ static int bpf_fetch_prog(struct bpf_elf_ctx *ctx, const char *section)
 
 		fd = bpf_prog_attach(section, &prog, ctx);
 		if (fd < 0)
-			continue;
+			break;
 
 		ctx->sec_done[i] = true;
 		break;
@@ -1412,7 +1461,8 @@ static int bpf_apply_relo_data(struct bpf_elf_ctx *ctx,
 	return 0;
 }
 
-static int bpf_fetch_prog_relo(struct bpf_elf_ctx *ctx, const char *section)
+static int bpf_fetch_prog_relo(struct bpf_elf_ctx *ctx, const char *section,
+			       bool *lderr)
 {
 	struct bpf_elf_sec_data data_relo, data_insn;
 	struct bpf_elf_prog prog;
@@ -1442,8 +1492,10 @@ static int bpf_fetch_prog_relo(struct bpf_elf_ctx *ctx, const char *section)
 		prog.license = ctx->license;
 
 		fd = bpf_prog_attach(section, &prog, ctx);
-		if (fd < 0)
-			continue;
+		if (fd < 0) {
+			*lderr = true;
+			break;
+		}
 
 		ctx->sec_done[i]   = true;
 		ctx->sec_done[idx] = true;
@@ -1455,11 +1507,12 @@ static int bpf_fetch_prog_relo(struct bpf_elf_ctx *ctx, const char *section)
 
 static int bpf_fetch_prog_sec(struct bpf_elf_ctx *ctx, const char *section)
 {
+	bool lderr = false;
 	int ret = -1;
 
-	if (ctx->sym_tab)
-		ret = bpf_fetch_prog_relo(ctx, section);
-	if (ret < 0)
+	if (bpf_has_map_data(ctx))
+		ret = bpf_fetch_prog_relo(ctx, section, &lderr);
+	if (ret < 0 && !lderr)
 		ret = bpf_fetch_prog(ctx, section);
 
 	return ret;
@@ -1504,8 +1557,12 @@ static int bpf_fill_prog_arrays(struct bpf_elf_ctx *ctx)
 
 		ret = bpf_map_update(ctx->map_fds[idx], &key_id,
 				     &fd, BPF_ANY);
-		if (ret < 0)
-			return -ENOENT;
+		if (ret < 0) {
+			if (errno == E2BIG)
+				fprintf(stderr, "Tail call key %u for map %u out of bounds?\n",
+					key_id, map_id);
+			return -errno;
+		}
 
 		ctx->sec_done[i] = true;
 	}

tc/tc_bpf.h

@@ -33,6 +33,10 @@ enum {
 #define BPF_ENV_UDS	"TC_BPF_UDS"
 #define BPF_ENV_MNT	"TC_BPF_MNT"
 
+#ifndef BPF_MAX_LOG
+# define BPF_MAX_LOG	4096
+#endif
+
 #ifndef BPF_FS_MAGIC
 # define BPF_FS_MAGIC	0xcafe4a11
 #endif