[PATCH bpf-next v2 1/4] tools: pkt_cls.h: sync with kernel sources

From: Kumar Kartikeya Dwivedi
Date: Mon Apr 19 2021 - 08:18:41 EST


Update the header file so we can use the new defines in subsequent
patches. Also make sure they remain up to date.

Reviewed-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
---
tools/include/uapi/linux/pkt_cls.h | 174 ++++++++++++++++++++++++++++-
tools/lib/bpf/Makefile | 3 +
2 files changed, 173 insertions(+), 4 deletions(-)

diff --git a/tools/include/uapi/linux/pkt_cls.h b/tools/include/uapi/linux/pkt_cls.h
index 12153771396a..025c40fef93d 100644
--- a/tools/include/uapi/linux/pkt_cls.h
+++ b/tools/include/uapi/linux/pkt_cls.h
@@ -16,9 +16,36 @@ enum {
TCA_ACT_STATS,
TCA_ACT_PAD,
TCA_ACT_COOKIE,
+ TCA_ACT_FLAGS,
+ TCA_ACT_HW_STATS,
+ TCA_ACT_USED_HW_STATS,
__TCA_ACT_MAX
};

+#define TCA_ACT_FLAGS_NO_PERCPU_STATS 1 /* Don't use percpu allocator for
+ * actions stats.
+ */
+
+/* tca HW stats type
+ * When user does not pass the attribute, he does not care.
+ * It is the same as if he would pass the attribute with
+ * all supported bits set.
+ * In case no bits are set, user is not interested in getting any HW statistics.
+ */
+#define TCA_ACT_HW_STATS_IMMEDIATE (1 << 0) /* Means that in dump, user
+ * gets the current HW stats
+ * state from the device
+ * queried at the dump time.
+ */
+#define TCA_ACT_HW_STATS_DELAYED (1 << 1) /* Means that in dump, user gets
+ * HW stats that might be out of date
+ * for some time, maybe couple of
+ * seconds. This is the case when
+ * driver polls stats updates
+ * periodically or when it gets async
+ * stats update from the device.
+ */
+
#define TCA_ACT_MAX __TCA_ACT_MAX
#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
#define TCA_ACT_MAX_PRIO 32
@@ -63,12 +90,53 @@ enum {
#define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2)
#define TC_ACT_EXT_OPCODE_MAX TC_ACT_GOTO_CHAIN

+/* These macros are put here for binary compatibility with userspace apps that
+ * make use of them. For kernel code and new userspace apps, use the TCA_ID_*
+ * versions.
+ */
+#define TCA_ACT_GACT 5
+#define TCA_ACT_IPT 6
+#define TCA_ACT_PEDIT 7
+#define TCA_ACT_MIRRED 8
+#define TCA_ACT_NAT 9
+#define TCA_ACT_XT 10
+#define TCA_ACT_SKBEDIT 11
+#define TCA_ACT_VLAN 12
+#define TCA_ACT_BPF 13
+#define TCA_ACT_CONNMARK 14
+#define TCA_ACT_SKBMOD 15
+#define TCA_ACT_CSUM 16
+#define TCA_ACT_TUNNEL_KEY 17
+#define TCA_ACT_SIMP 22
+#define TCA_ACT_IFE 25
+#define TCA_ACT_SAMPLE 26
+
/* Action type identifiers*/
-enum {
- TCA_ID_UNSPEC=0,
- TCA_ID_POLICE=1,
+enum tca_id {
+ TCA_ID_UNSPEC = 0,
+ TCA_ID_POLICE = 1,
+ TCA_ID_GACT = TCA_ACT_GACT,
+ TCA_ID_IPT = TCA_ACT_IPT,
+ TCA_ID_PEDIT = TCA_ACT_PEDIT,
+ TCA_ID_MIRRED = TCA_ACT_MIRRED,
+ TCA_ID_NAT = TCA_ACT_NAT,
+ TCA_ID_XT = TCA_ACT_XT,
+ TCA_ID_SKBEDIT = TCA_ACT_SKBEDIT,
+ TCA_ID_VLAN = TCA_ACT_VLAN,
+ TCA_ID_BPF = TCA_ACT_BPF,
+ TCA_ID_CONNMARK = TCA_ACT_CONNMARK,
+ TCA_ID_SKBMOD = TCA_ACT_SKBMOD,
+ TCA_ID_CSUM = TCA_ACT_CSUM,
+ TCA_ID_TUNNEL_KEY = TCA_ACT_TUNNEL_KEY,
+ TCA_ID_SIMP = TCA_ACT_SIMP,
+ TCA_ID_IFE = TCA_ACT_IFE,
+ TCA_ID_SAMPLE = TCA_ACT_SAMPLE,
+ TCA_ID_CTINFO,
+ TCA_ID_MPLS,
+ TCA_ID_CT,
+ TCA_ID_GATE,
/* other actions go here */
- __TCA_ID_MAX=255
+ __TCA_ID_MAX = 255
};

#define TCA_ID_MAX __TCA_ID_MAX
@@ -120,6 +188,10 @@ enum {
TCA_POLICE_RESULT,
TCA_POLICE_TM,
TCA_POLICE_PAD,
+ TCA_POLICE_RATE64,
+ TCA_POLICE_PEAKRATE64,
+ TCA_POLICE_PKTRATE64,
+ TCA_POLICE_PKTBURST64,
__TCA_POLICE_MAX
#define TCA_POLICE_RESULT TCA_POLICE_RESULT
};
@@ -333,12 +405,19 @@ enum {

/* Basic filter */

+struct tc_basic_pcnt {
+ __u64 rcnt;
+ __u64 rhit;
+};
+
enum {
TCA_BASIC_UNSPEC,
TCA_BASIC_CLASSID,
TCA_BASIC_EMATCHES,
TCA_BASIC_ACT,
TCA_BASIC_POLICE,
+ TCA_BASIC_PCNT,
+ TCA_BASIC_PAD,
__TCA_BASIC_MAX
};

@@ -485,17 +564,54 @@ enum {

TCA_FLOWER_IN_HW_COUNT,

+ TCA_FLOWER_KEY_PORT_SRC_MIN, /* be16 */
+ TCA_FLOWER_KEY_PORT_SRC_MAX, /* be16 */
+ TCA_FLOWER_KEY_PORT_DST_MIN, /* be16 */
+ TCA_FLOWER_KEY_PORT_DST_MAX, /* be16 */
+
+ TCA_FLOWER_KEY_CT_STATE, /* u16 */
+ TCA_FLOWER_KEY_CT_STATE_MASK, /* u16 */
+ TCA_FLOWER_KEY_CT_ZONE, /* u16 */
+ TCA_FLOWER_KEY_CT_ZONE_MASK, /* u16 */
+ TCA_FLOWER_KEY_CT_MARK, /* u32 */
+ TCA_FLOWER_KEY_CT_MARK_MASK, /* u32 */
+ TCA_FLOWER_KEY_CT_LABELS, /* u128 */
+ TCA_FLOWER_KEY_CT_LABELS_MASK, /* u128 */
+
+ TCA_FLOWER_KEY_MPLS_OPTS,
+
+ TCA_FLOWER_KEY_HASH, /* u32 */
+ TCA_FLOWER_KEY_HASH_MASK, /* u32 */
+
__TCA_FLOWER_MAX,
};

#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)

+enum {
+ TCA_FLOWER_KEY_CT_FLAGS_NEW = 1 << 0, /* Beginning of a new connection. */
+ TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED = 1 << 1, /* Part of an existing connection. */
+ TCA_FLOWER_KEY_CT_FLAGS_RELATED = 1 << 2, /* Related to an established connection. */
+ TCA_FLOWER_KEY_CT_FLAGS_TRACKED = 1 << 3, /* Conntrack has occurred. */
+ TCA_FLOWER_KEY_CT_FLAGS_INVALID = 1 << 4, /* Conntrack is invalid. */
+ TCA_FLOWER_KEY_CT_FLAGS_REPLY = 1 << 5, /* Packet is in the reply direction. */
+ __TCA_FLOWER_KEY_CT_FLAGS_MAX,
+};
+
enum {
TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,
TCA_FLOWER_KEY_ENC_OPTS_GENEVE, /* Nested
* TCA_FLOWER_KEY_ENC_OPT_GENEVE_
* attributes
*/
+ TCA_FLOWER_KEY_ENC_OPTS_VXLAN, /* Nested
+ * TCA_FLOWER_KEY_ENC_OPT_VXLAN_
+ * attributes
+ */
+ TCA_FLOWER_KEY_ENC_OPTS_ERSPAN, /* Nested
+ * TCA_FLOWER_KEY_ENC_OPT_ERSPAN_
+ * attributes
+ */
__TCA_FLOWER_KEY_ENC_OPTS_MAX,
};

@@ -513,18 +629,68 @@ enum {
#define TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX \
(__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX - 1)

+enum {
+ TCA_FLOWER_KEY_ENC_OPT_VXLAN_UNSPEC,
+ TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP, /* u32 */
+ __TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX,
+};
+
+#define TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX \
+ (__TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX - 1)
+
+enum {
+ TCA_FLOWER_KEY_ENC_OPT_ERSPAN_UNSPEC,
+ TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER, /* u8 */
+ TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX, /* be32 */
+ TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR, /* u8 */
+ TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID, /* u8 */
+ __TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX,
+};
+
+#define TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX \
+ (__TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX - 1)
+
+enum {
+ TCA_FLOWER_KEY_MPLS_OPTS_UNSPEC,
+ TCA_FLOWER_KEY_MPLS_OPTS_LSE,
+ __TCA_FLOWER_KEY_MPLS_OPTS_MAX,
+};
+
+#define TCA_FLOWER_KEY_MPLS_OPTS_MAX (__TCA_FLOWER_KEY_MPLS_OPTS_MAX - 1)
+
+enum {
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_UNSPEC,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_TC,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL,
+ __TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX,
+};
+
+#define TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX \
+ (__TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX - 1)
+
enum {
TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
};

+#define TCA_FLOWER_MASK_FLAGS_RANGE (1 << 0) /* Range-based match */
+
/* Match-all classifier */

+struct tc_matchall_pcnt {
+ __u64 rhit;
+};
+
enum {
TCA_MATCHALL_UNSPEC,
TCA_MATCHALL_CLASSID,
TCA_MATCHALL_ACT,
TCA_MATCHALL_FLAGS,
+ TCA_MATCHALL_PCNT,
+ TCA_MATCHALL_PAD,
__TCA_MATCHALL_MAX,
};

diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index e43e1896cb4b..745624d91a01 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -152,6 +152,9 @@ $(BPF_IN_SHARED): force $(BPF_HELPER_DEFS)
@(test -f ../../include/uapi/linux/if_xdp.h -a -f ../../../include/uapi/linux/if_xdp.h && ( \
(diff -B ../../include/uapi/linux/if_xdp.h ../../../include/uapi/linux/if_xdp.h >/dev/null) || \
echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'" >&2 )) || true
+ @(test -f ../../include/uapi/linux/pkt_cls.h -a -f ../../../include/uapi/linux/pkt_cls.h && ( \
+ (diff -B ../../include/uapi/linux/pkt_cls.h ../../../include/uapi/linux/pkt_cls.h >/dev/null) || \
+ echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/pkt_cls.h' differs from latest version at 'include/uapi/linux/pkt_cls.h'" >&2 )) || true
$(Q)$(MAKE) $(build)=libbpf OUTPUT=$(SHARED_OBJDIR) CFLAGS="$(CFLAGS) $(SHLIB_FLAGS)"

$(BPF_IN_STATIC): force $(BPF_HELPER_DEFS)
--
2.30.2