ip: add 'xdpstats' command to print generic XDP stats

devlink/devlink.c

@@ -3036,6 +3036,7 @@ static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
 struct param_ctx {
 	struct dl *dl;
 	int nla_type;
+	bool cmode_found;
 	union {
 		uint8_t vu8;
 		uint16_t vu16;
@@ -3088,6 +3089,7 @@ static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
 
 		cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
 		if (cmode == dl->opts.cmode) {
+			ctx->cmode_found = true;
 			val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
 			switch (nla_type) {
 			case MNL_TYPE_U8:
@@ -3140,6 +3142,10 @@ static int cmd_dev_param_set(struct dl *dl)
 	err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
 	if (err)
 		return err;
+	if (!ctx.cmode_found) {
+		pr_err("Configuration mode not supported\n");
+		return -ENOTSUP;
+	}
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_SET,
 			       NLM_F_REQUEST | NLM_F_ACK);

include/uapi/linux/amt.h

@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2021 Taehee Yoo <ap420073@gmail.com>
+ */
+#ifndef _AMT_H_
+#define _AMT_H_
+
+enum ifla_amt_mode {
+	/* AMT interface works as Gateway mode.
+	 * The Gateway mode encapsulates IGMP/MLD traffic and decapsulates
+	 * multicast traffic.
+	 */
+	AMT_MODE_GATEWAY = 0,
+	/* AMT interface works as Relay mode.
+	 * The Relay mode encapsulates multicast traffic and decapsulates
+	 * IGMP/MLD traffic.
+	 */
+	AMT_MODE_RELAY,
+	__AMT_MODE_MAX,
+};
+
+#define AMT_MODE_MAX (__AMT_MODE_MAX - 1)
+
+enum {
+	IFLA_AMT_UNSPEC,
+	/* This attribute specify mode etier Gateway or Relay. */
+	IFLA_AMT_MODE,
+	/* This attribute specify Relay port.
+	 * AMT interface is created as Gateway mode, this attribute is used
+	 * to specify relay(remote) port.
+	 * AMT interface is created as Relay mode, this attribute is used
+	 * as local port.
+	 */
+	IFLA_AMT_RELAY_PORT,
+	/* This attribute specify Gateway port.
+	 * AMT interface is created as Gateway mode, this attribute is used
+	 * as local port.
+	 * AMT interface is created as Relay mode, this attribute is not used.
+	 */
+	IFLA_AMT_GATEWAY_PORT,
+	/* This attribute specify physical device */
+	IFLA_AMT_LINK,
+	/* This attribute specify local ip address */
+	IFLA_AMT_LOCAL_IP,
+	/* This attribute specify Relay ip address.
+	 * So, this is not used by Relay.
+	 */
+	IFLA_AMT_REMOTE_IP,
+	/* This attribute specify Discovery ip address.
+	 * When Gateway get started, it send discovery message to find the
+	 * Relay's ip address.
+	 * So, this is not used by Relay.
+	 */
+	IFLA_AMT_DISCOVERY_IP,
+	/* This attribute specify number of maximum tunnel. */
+	IFLA_AMT_MAX_TUNNELS,
+	__IFLA_AMT_MAX,
+};
+
+#define IFLA_AMT_MAX (__IFLA_AMT_MAX - 1)
+
+#endif /* _AMT_H_ */

include/uapi/linux/bpf.h

@@ -906,6 +906,7 @@ enum bpf_map_type {
 	BPF_MAP_TYPE_RINGBUF,
 	BPF_MAP_TYPE_INODE_STORAGE,
 	BPF_MAP_TYPE_TASK_STORAGE,
+	BPF_MAP_TYPE_BLOOM_FILTER,
 };
 
 /* Note that tracing related programs such as
@@ -1274,6 +1275,13 @@ union bpf_attr {
 						   * struct stored as the
 						   * map value
 						   */
+		/* Any per-map-type extra fields
+		 *
+		 * BPF_MAP_TYPE_BLOOM_FILTER - the lowest 4 bits indicate the
+		 * number of hash functions (if 0, the bloom filter will default
+		 * to using 5 hash functions).
+		 */
+		__u64	map_extra;
 	};
 
 	struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */
@@ -4909,6 +4917,27 @@ union bpf_attr {
  *	Return
  *		The number of bytes written to the buffer, or a negative error
  *		in case of failure.
+ *
+ * struct unix_sock *bpf_skc_to_unix_sock(void *sk)
+ * 	Description
+ *		Dynamically cast a *sk* pointer to a *unix_sock* pointer.
+ *	Return
+ *		*sk* if casting is valid, or **NULL** otherwise.
+ *
+ * long bpf_kallsyms_lookup_name(const char *name, int name_sz, int flags, u64 *res)
+ *	Description
+ *		Get the address of a kernel symbol, returned in *res*. *res* is
+ *		set to 0 if the symbol is not found.
+ *	Return
+ *		On success, zero. On error, a negative value.
+ *
+ *		**-EINVAL** if *flags* is not zero.
+ *
+ *		**-EINVAL** if string *name* is not the same size as *name_sz*.
+ *
+ *		**-ENOENT** if symbol is not found.
+ *
+ *		**-EPERM** if caller does not have permission to obtain kernel address.
  */
 #define __BPF_FUNC_MAPPER(FN)		\
 	FN(unspec),			\
@@ -5089,6 +5118,8 @@ union bpf_attr {
 	FN(task_pt_regs),		\
 	FN(get_branch_snapshot),	\
 	FN(trace_vprintk),		\
+	FN(skc_to_unix_sock),		\
+	FN(kallsyms_lookup_name),	\
 	/* */
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
@@ -5613,6 +5644,7 @@ struct bpf_prog_info {
 	__u64 run_time_ns;
 	__u64 run_cnt;
 	__u64 recursion_misses;
+	__u32 verified_insns;
 } __attribute__((aligned(8)));
 
 struct bpf_map_info {
@@ -5630,6 +5662,8 @@ struct bpf_map_info {
 	__u32 btf_id;
 	__u32 btf_key_type_id;
 	__u32 btf_value_type_id;
+	__u32 :32;	/* alignment pad */
+	__u64 map_extra;
 } __attribute__((aligned(8)));
 
 struct bpf_btf_info {

include/uapi/linux/btf.h

@@ -43,7 +43,7 @@ struct btf_type {
 	 * "size" tells the size of the type it is describing.
 	 *
 	 * "type" is used by PTR, TYPEDEF, VOLATILE, CONST, RESTRICT,
-	 * FUNC, FUNC_PROTO, VAR and TAG.
+	 * FUNC, FUNC_PROTO, VAR and DECL_TAG.
 	 * "type" is a type_id referring to another type.
 	 */
 	union {
@@ -74,7 +74,7 @@ enum {
 	BTF_KIND_VAR		= 14,	/* Variable	*/
 	BTF_KIND_DATASEC	= 15,	/* Section	*/
 	BTF_KIND_FLOAT		= 16,	/* Floating point	*/
-	BTF_KIND_TAG		= 17,	/* Tag */
+	BTF_KIND_DECL_TAG	= 17,	/* Decl Tag */
 
 	NR_BTF_KINDS,
 	BTF_KIND_MAX		= NR_BTF_KINDS - 1,
@@ -174,14 +174,14 @@ struct btf_var_secinfo {
 	__u32	size;
 };
 
-/* BTF_KIND_TAG is followed by a single "struct btf_tag" to describe
+/* BTF_KIND_DECL_TAG is followed by a single "struct btf_decl_tag" to describe
  * additional information related to the tag applied location.
  * If component_idx == -1, the tag is applied to a struct, union,
  * variable or function. Otherwise, it is applied to a struct/union
  * member or a func argument, and component_idx indicates which member
  * or argument (0 ... vlen-1).
  */
-struct btf_tag {
+struct btf_decl_tag {
        __s32   component_idx;
 };
 

include/uapi/linux/can/netlink.h

@@ -101,6 +101,8 @@ struct can_ctrlmode {
 #define CAN_CTRLMODE_PRESUME_ACK	0x40	/* Ignore missing CAN ACKs */
 #define CAN_CTRLMODE_FD_NON_ISO		0x80	/* CAN FD in non-ISO mode */
 #define CAN_CTRLMODE_CC_LEN8_DLC	0x100	/* Classic CAN DLC option */
+#define CAN_CTRLMODE_TDC_AUTO		0x200	/* CAN transiver automatically calculates TDCV */
+#define CAN_CTRLMODE_TDC_MANUAL		0x400	/* TDCV is manually set up by user */
 
 /*
  * CAN device statistics
@@ -134,10 +136,35 @@ enum {
 	IFLA_CAN_BITRATE_CONST,
 	IFLA_CAN_DATA_BITRATE_CONST,
 	IFLA_CAN_BITRATE_MAX,
-	__IFLA_CAN_MAX
+	IFLA_CAN_TDC,
+
+	/* add new constants above here */
+	__IFLA_CAN_MAX,
+	IFLA_CAN_MAX = __IFLA_CAN_MAX - 1
 };
 
-#define IFLA_CAN_MAX	(__IFLA_CAN_MAX - 1)
+/*
+ * CAN FD Transmitter Delay Compensation (TDC)
+ *
+ * Please refer to struct can_tdc_const and can_tdc in
+ * include/linux/can/bittiming.h for further details.
+ */
+enum {
+	IFLA_CAN_TDC_UNSPEC,
+	IFLA_CAN_TDC_TDCV_MIN,	/* u32 */
+	IFLA_CAN_TDC_TDCV_MAX,	/* u32 */
+	IFLA_CAN_TDC_TDCO_MIN,	/* u32 */
+	IFLA_CAN_TDC_TDCO_MAX,	/* u32 */
+	IFLA_CAN_TDC_TDCF_MIN,	/* u32 */
+	IFLA_CAN_TDC_TDCF_MAX,	/* u32 */
+	IFLA_CAN_TDC_TDCV,	/* u32 */
+	IFLA_CAN_TDC_TDCO,	/* u32 */
+	IFLA_CAN_TDC_TDCF,	/* u32 */
+
+	/* add new constants above here */
+	__IFLA_CAN_TDC,
+	IFLA_CAN_TDC_MAX = __IFLA_CAN_TDC - 1
+};
 
 /* u16 termination range: 1..65535 Ohms */
 #define CAN_TERMINATION_DISABLED 0

include/uapi/linux/if_ether.h

@@ -86,6 +86,7 @@
 					 * over Ethernet
 					 */
 #define ETH_P_PAE	0x888E		/* Port Access Entity (IEEE 802.1X) */
+#define ETH_P_REALTEK	0x8899          /* Multiple proprietary protocols */
 #define ETH_P_AOE	0x88A2		/* ATA over Ethernet		*/
 #define ETH_P_8021AD	0x88A8          /* 802.1ad Service VLAN		*/
 #define ETH_P_802_EX1	0x88B5		/* 802.1 Local Experimental 1.  */

include/uapi/linux/if_link.h

@@ -1145,6 +1145,7 @@ enum {
 	IFLA_STATS_LINK_XSTATS_SLAVE,
 	IFLA_STATS_LINK_OFFLOAD_XSTATS,
 	IFLA_STATS_AF_SPEC,
+	IFLA_STATS_LINK_XDP_XSTATS,
 	__IFLA_STATS_MAX,
 };
 
@@ -1173,6 +1174,70 @@ enum {
 };
 #define IFLA_OFFLOAD_XSTATS_MAX (__IFLA_OFFLOAD_XSTATS_MAX - 1)
 
+/* These are embedded into IFLA_STATS_LINK_XDP_XSTATS */
+enum {
+	IFLA_XDP_XSTATS_TYPE_UNSPEC,
+	/* Stats collected on a "regular" channel(s) */
+	IFLA_XDP_XSTATS_TYPE_XDP,
+	/* Stats collected on an XSK channel(s) */
+	IFLA_XDP_XSTATS_TYPE_XSK,
+
+	__IFLA_XDP_XSTATS_TYPE_CNT,
+};
+#define IFLA_XDP_XSTATS_TYPE_START	(IFLA_XDP_XSTATS_TYPE_UNSPEC + 1)
+#define IFLA_XDP_XSTATS_TYPE_MAX	(__IFLA_XDP_XSTATS_TYPE_CNT - 1)
+
+/* Embedded into IFLA_XDP_XSTATS_TYPE_XDP or IFLA_XDP_XSTATS_TYPE_XSK */
+enum {
+	IFLA_XDP_XSTATS_SCOPE_UNSPEC,
+	/* netdev-wide stats */
+	IFLA_XDP_XSTATS_SCOPE_SHARED,
+	/* Per-channel stats */
+	IFLA_XDP_XSTATS_SCOPE_CHANNEL,
+
+	__IFLA_XDP_XSTATS_SCOPE_CNT,
+};
+
+/* Embedded into IFLA_XDP_XSTATS_SCOPE_SHARED/IFLA_XDP_XSTATS_SCOPE_CHANNEL */
+enum {
+	/* Padding for 64-bit alignment */
+	IFLA_XDP_XSTATS_UNSPEC,
+	/* Number of frames passed to bpf_prog_run_xdp() */
+	IFLA_XDP_XSTATS_PACKETS,
+	/* Number of bytes went through bpf_prog_run_xdp() */
+	IFLA_XDP_XSTATS_BYTES,
+	/* Number of general XDP errors if driver counts them together */
+	IFLA_XDP_XSTATS_ERRORS,
+	/* Number of %XDP_ABORTED returns */
+	IFLA_XDP_XSTATS_ABORTED,
+	/* Number of %XDP_DROP returns */
+	IFLA_XDP_XSTATS_DROP,
+	/* Number of returns of unallowed values (i.e. not XDP_*) */
+	IFLA_XDP_XSTATS_INVALID,
+	/* Number of %XDP_PASS returns */
+	IFLA_XDP_XSTATS_PASS,
+	/* Number of successfully performed %XDP_REDIRECT requests */
+	IFLA_XDP_XSTATS_REDIRECT,
+	/* Number of failed %XDP_REDIRECT requests */
+	IFLA_XDP_XSTATS_REDIRECT_ERRORS,
+	/* Number of successfully performed %XDP_TX requests */
+	IFLA_XDP_XSTATS_TX,
+	/* Number of failed %XDP_TX requests */
+	IFLA_XDP_XSTATS_TX_ERRORS,
+	/* Number of successfully transmitted XDP/XSK frames */
+	IFLA_XDP_XSTATS_XMIT_PACKETS,
+	/* Number of successfully transmitted XDP/XSK bytes */
+	IFLA_XDP_XSTATS_XMIT_BYTES,
+	/* Number of XDP/XSK frames failed to transmit */
+	IFLA_XDP_XSTATS_XMIT_ERRORS,
+	/* Number of XDP/XSK queue being full at the moment of transmission */
+	IFLA_XDP_XSTATS_XMIT_FULL,
+
+	__IFLA_XDP_XSTATS_CNT,
+};
+#define IFLA_XDP_XSTATS_START		(IFLA_XDP_XSTATS_UNSPEC + 1)
+#define IFLA_XDP_XSTATS_MAX		(__IFLA_XDP_XSTATS_CNT - 1)
+
 /* XDP section */
 
 #define XDP_FLAGS_UPDATE_IF_NOEXIST	(1U << 0)

include/uapi/linux/ip.h

@@ -169,6 +169,7 @@ enum
 	IPV4_DEVCONF_DROP_UNICAST_IN_L2_MULTICAST,
 	IPV4_DEVCONF_DROP_GRATUITOUS_ARP,
 	IPV4_DEVCONF_BC_FORWARDING,
+	IPV4_DEVCONF_ARP_EVICT_NOCARRIER,
 	__IPV4_DEVCONF_MAX
 };
 

include/uapi/linux/netfilter.h

@@ -49,6 +49,7 @@ enum nf_inet_hooks {
 
 enum nf_dev_hooks {
 	NF_NETDEV_INGRESS,
+	NF_NETDEV_EGRESS,
 	NF_NETDEV_NUMHOOKS
 };
 

include/uapi/linux/pkt_sched.h

@@ -840,7 +840,8 @@ enum {
 	TCA_FQ_CODEL_CE_THRESHOLD,
 	TCA_FQ_CODEL_DROP_BATCH_SIZE,
 	TCA_FQ_CODEL_MEMORY_LIMIT,
-	TCA_FQ_CODEL_CE_THRESHOLD_ECT1,
+	TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR,
+	TCA_FQ_CODEL_CE_THRESHOLD_MASK,
 	__TCA_FQ_CODEL_MAX
 };