* [PATCH ethtool v2 1/2] update UAPI header copies
2020-09-10 19:09 [PATCH ethtool v2 0/2] support tunnel info dumping Jakub Kicinski
@ 2020-09-10 19:09 ` Jakub Kicinski
2020-09-10 19:09 ` [PATCH ethtool v2 2/2] tunnels: implement new --show-tunnels command Jakub Kicinski
1 sibling, 0 replies; 3+ messages in thread
From: Jakub Kicinski @ 2020-09-10 19:09 UTC (permalink / raw)
To: mkubecek; +Cc: netdev, Jakub Kicinski
Update to kernel commit 4f6a5caf187f.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
uapi/linux/ethtool.h | 17 +++
uapi/linux/ethtool_netlink.h | 55 +++++++++
uapi/linux/if_link.h | 227 ++++++++++++++++++++++++++++++++---
uapi/linux/rtnetlink.h | 46 +++----
4 files changed, 305 insertions(+), 40 deletions(-)
diff --git a/uapi/linux/ethtool.h b/uapi/linux/ethtool.h
index a1cfbe2ef40f..847ccd0b1fce 100644
--- a/uapi/linux/ethtool.h
+++ b/uapi/linux/ethtool.h
@@ -667,6 +667,7 @@ enum ethtool_link_ext_substate_cable_issue {
* @ETH_SS_SOF_TIMESTAMPING: SOF_TIMESTAMPING_* flags
* @ETH_SS_TS_TX_TYPES: timestamping Tx types
* @ETH_SS_TS_RX_FILTERS: timestamping Rx filters
+ * @ETH_SS_UDP_TUNNEL_TYPES: UDP tunnel types
*/
enum ethtool_stringset {
ETH_SS_TEST = 0,
@@ -684,6 +685,7 @@ enum ethtool_stringset {
ETH_SS_SOF_TIMESTAMPING,
ETH_SS_TS_TX_TYPES,
ETH_SS_TS_RX_FILTERS,
+ ETH_SS_UDP_TUNNEL_TYPES,
/* add new constants above here */
ETH_SS_COUNT
@@ -1598,6 +1600,21 @@ enum ethtool_link_mode_bit_indices {
ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT = 72,
ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT = 73,
ETHTOOL_LINK_MODE_FEC_LLRS_BIT = 74,
+ ETHTOOL_LINK_MODE_100000baseKR_Full_BIT = 75,
+ ETHTOOL_LINK_MODE_100000baseSR_Full_BIT = 76,
+ ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT = 77,
+ ETHTOOL_LINK_MODE_100000baseCR_Full_BIT = 78,
+ ETHTOOL_LINK_MODE_100000baseDR_Full_BIT = 79,
+ ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT = 80,
+ ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT = 81,
+ ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT = 82,
+ ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT = 83,
+ ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT = 84,
+ ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT = 85,
+ ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT = 86,
+ ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT = 87,
+ ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT = 88,
+ ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT = 89,
/* must be last entry */
__ETHTOOL_LINK_MODE_MASK_NBITS
};
diff --git a/uapi/linux/ethtool_netlink.h b/uapi/linux/ethtool_netlink.h
index 0922ca6e0d69..cebdb52e6a05 100644
--- a/uapi/linux/ethtool_netlink.h
+++ b/uapi/linux/ethtool_netlink.h
@@ -41,6 +41,7 @@ enum {
ETHTOOL_MSG_TSINFO_GET,
ETHTOOL_MSG_CABLE_TEST_ACT,
ETHTOOL_MSG_CABLE_TEST_TDR_ACT,
+ ETHTOOL_MSG_TUNNEL_INFO_GET,
/* add new constants above here */
__ETHTOOL_MSG_USER_CNT,
@@ -556,6 +557,60 @@ enum {
ETHTOOL_A_CABLE_TEST_TDR_NTF_MAX = __ETHTOOL_A_CABLE_TEST_TDR_NTF_CNT - 1
};
+/* TUNNEL INFO */
+
+enum {
+ ETHTOOL_UDP_TUNNEL_TYPE_VXLAN,
+ ETHTOOL_UDP_TUNNEL_TYPE_GENEVE,
+ ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE,
+
+ __ETHTOOL_UDP_TUNNEL_TYPE_CNT
+};
+
+enum {
+ ETHTOOL_A_TUNNEL_UDP_ENTRY_UNSPEC,
+
+ ETHTOOL_A_TUNNEL_UDP_ENTRY_PORT, /* be16 */
+ ETHTOOL_A_TUNNEL_UDP_ENTRY_TYPE, /* u32 */
+
+ /* add new constants above here */
+ __ETHTOOL_A_TUNNEL_UDP_ENTRY_CNT,
+ ETHTOOL_A_TUNNEL_UDP_ENTRY_MAX = (__ETHTOOL_A_TUNNEL_UDP_ENTRY_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_TUNNEL_UDP_TABLE_UNSPEC,
+
+ ETHTOOL_A_TUNNEL_UDP_TABLE_SIZE, /* u32 */
+ ETHTOOL_A_TUNNEL_UDP_TABLE_TYPES, /* bitset */
+ ETHTOOL_A_TUNNEL_UDP_TABLE_ENTRY, /* nest - _UDP_ENTRY_* */
+
+ /* add new constants above here */
+ __ETHTOOL_A_TUNNEL_UDP_TABLE_CNT,
+ ETHTOOL_A_TUNNEL_UDP_TABLE_MAX = (__ETHTOOL_A_TUNNEL_UDP_TABLE_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_TUNNEL_UDP_UNSPEC,
+
+ ETHTOOL_A_TUNNEL_UDP_TABLE, /* nest - _UDP_TABLE_* */
+
+ /* add new constants above here */
+ __ETHTOOL_A_TUNNEL_UDP_CNT,
+ ETHTOOL_A_TUNNEL_UDP_MAX = (__ETHTOOL_A_TUNNEL_UDP_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_TUNNEL_INFO_UNSPEC,
+ ETHTOOL_A_TUNNEL_INFO_HEADER, /* nest - _A_HEADER_* */
+
+ ETHTOOL_A_TUNNEL_INFO_UDP_PORTS, /* nest - _UDP_TABLE */
+
+ /* add new constants above here */
+ __ETHTOOL_A_TUNNEL_INFO_CNT,
+ ETHTOOL_A_TUNNEL_INFO_MAX = (__ETHTOOL_A_TUNNEL_INFO_CNT - 1)
+};
+
/* generic netlink info */
#define ETHTOOL_GENL_NAME "ethtool"
#define ETHTOOL_GENL_VERSION 1
diff --git a/uapi/linux/if_link.h b/uapi/linux/if_link.h
index a8901a39a345..9d96890f9742 100644
--- a/uapi/linux/if_link.h
+++ b/uapi/linux/if_link.h
@@ -40,26 +40,197 @@ struct rtnl_link_stats {
__u32 rx_nohandler; /* dropped, no handler found */
};
-/* The main device statistics structure */
+/**
+ * struct rtnl_link_stats64 - The main device statistics structure.
+ *
+ * @rx_packets: Number of good packets received by the interface.
+ * For hardware interfaces counts all good packets received from the device
+ * by the host, including packets which host had to drop at various stages
+ * of processing (even in the driver).
+ *
+ * @tx_packets: Number of packets successfully transmitted.
+ * For hardware interfaces counts packets which host was able to successfully
+ * hand over to the device, which does not necessarily mean that packets
+ * had been successfully transmitted out of the device, only that device
+ * acknowledged it copied them out of host memory.
+ *
+ * @rx_bytes: Number of good received bytes, corresponding to @rx_packets.
+ *
+ * For IEEE 802.3 devices should count the length of Ethernet Frames
+ * excluding the FCS.
+ *
+ * @tx_bytes: Number of good transmitted bytes, corresponding to @tx_packets.
+ *
+ * For IEEE 802.3 devices should count the length of Ethernet Frames
+ * excluding the FCS.
+ *
+ * @rx_errors: Total number of bad packets received on this network device.
+ * This counter must include events counted by @rx_length_errors,
+ * @rx_crc_errors, @rx_frame_errors and other errors not otherwise
+ * counted.
+ *
+ * @tx_errors: Total number of transmit problems.
+ * This counter must include events counter by @tx_aborted_errors,
+ * @tx_carrier_errors, @tx_fifo_errors, @tx_heartbeat_errors,
+ * @tx_window_errors and other errors not otherwise counted.
+ *
+ * @rx_dropped: Number of packets received but not processed,
+ * e.g. due to lack of resources or unsupported protocol.
+ * For hardware interfaces this counter should not include packets
+ * dropped by the device which are counted separately in
+ * @rx_missed_errors (since procfs folds those two counters together).
+ *
+ * @tx_dropped: Number of packets dropped on their way to transmission,
+ * e.g. due to lack of resources.
+ *
+ * @multicast: Multicast packets received.
+ * For hardware interfaces this statistic is commonly calculated
+ * at the device level (unlike @rx_packets) and therefore may include
+ * packets which did not reach the host.
+ *
+ * For IEEE 802.3 devices this counter may be equivalent to:
+ *
+ * - 30.3.1.1.21 aMulticastFramesReceivedOK
+ *
+ * @collisions: Number of collisions during packet transmissions.
+ *
+ * @rx_length_errors: Number of packets dropped due to invalid length.
+ * Part of aggregate "frame" errors in `/proc/net/dev`.
+ *
+ * For IEEE 802.3 devices this counter should be equivalent to a sum
+ * of the following attributes:
+ *
+ * - 30.3.1.1.23 aInRangeLengthErrors
+ * - 30.3.1.1.24 aOutOfRangeLengthField
+ * - 30.3.1.1.25 aFrameTooLongErrors
+ *
+ * @rx_over_errors: Receiver FIFO overflow event counter.
+ *
+ * Historically the count of overflow events. Such events may be
+ * reported in the receive descriptors or via interrupts, and may
+ * not correspond one-to-one with dropped packets.
+ *
+ * The recommended interpretation for high speed interfaces is -
+ * number of packets dropped because they did not fit into buffers
+ * provided by the host, e.g. packets larger than MTU or next buffer
+ * in the ring was not available for a scatter transfer.
+ *
+ * Part of aggregate "frame" errors in `/proc/net/dev`.
+ *
+ * This statistics was historically used interchangeably with
+ * @rx_fifo_errors.
+ *
+ * This statistic corresponds to hardware events and is not commonly used
+ * on software devices.
+ *
+ * @rx_crc_errors: Number of packets received with a CRC error.
+ * Part of aggregate "frame" errors in `/proc/net/dev`.
+ *
+ * For IEEE 802.3 devices this counter must be equivalent to:
+ *
+ * - 30.3.1.1.6 aFrameCheckSequenceErrors
+ *
+ * @rx_frame_errors: Receiver frame alignment errors.
+ * Part of aggregate "frame" errors in `/proc/net/dev`.
+ *
+ * For IEEE 802.3 devices this counter should be equivalent to:
+ *
+ * - 30.3.1.1.7 aAlignmentErrors
+ *
+ * @rx_fifo_errors: Receiver FIFO error counter.
+ *
+ * Historically the count of overflow events. Those events may be
+ * reported in the receive descriptors or via interrupts, and may
+ * not correspond one-to-one with dropped packets.
+ *
+ * This statistics was used interchangeably with @rx_over_errors.
+ * Not recommended for use in drivers for high speed interfaces.
+ *
+ * This statistic is used on software devices, e.g. to count software
+ * packet queue overflow (can) or sequencing errors (GRE).
+ *
+ * @rx_missed_errors: Count of packets missed by the host.
+ * Folded into the "drop" counter in `/proc/net/dev`.
+ *
+ * Counts number of packets dropped by the device due to lack
+ * of buffer space. This usually indicates that the host interface
+ * is slower than the network interface, or host is not keeping up
+ * with the receive packet rate.
+ *
+ * This statistic corresponds to hardware events and is not used
+ * on software devices.
+ *
+ * @tx_aborted_errors:
+ * Part of aggregate "carrier" errors in `/proc/net/dev`.
+ * For IEEE 802.3 devices capable of half-duplex operation this counter
+ * must be equivalent to:
+ *
+ * - 30.3.1.1.11 aFramesAbortedDueToXSColls
+ *
+ * High speed interfaces may use this counter as a general device
+ * discard counter.
+ *
+ * @tx_carrier_errors: Number of frame transmission errors due to loss
+ * of carrier during transmission.
+ * Part of aggregate "carrier" errors in `/proc/net/dev`.
+ *
+ * For IEEE 802.3 devices this counter must be equivalent to:
+ *
+ * - 30.3.1.1.13 aCarrierSenseErrors
+ *
+ * @tx_fifo_errors: Number of frame transmission errors due to device
+ * FIFO underrun / underflow. This condition occurs when the device
+ * begins transmission of a frame but is unable to deliver the
+ * entire frame to the transmitter in time for transmission.
+ * Part of aggregate "carrier" errors in `/proc/net/dev`.
+ *
+ * @tx_heartbeat_errors: Number of Heartbeat / SQE Test errors for
+ * old half-duplex Ethernet.
+ * Part of aggregate "carrier" errors in `/proc/net/dev`.
+ *
+ * For IEEE 802.3 devices possibly equivalent to:
+ *
+ * - 30.3.2.1.4 aSQETestErrors
+ *
+ * @tx_window_errors: Number of frame transmission errors due
+ * to late collisions (for Ethernet - after the first 64B of transmission).
+ * Part of aggregate "carrier" errors in `/proc/net/dev`.
+ *
+ * For IEEE 802.3 devices this counter must be equivalent to:
+ *
+ * - 30.3.1.1.10 aLateCollisions
+ *
+ * @rx_compressed: Number of correctly received compressed packets.
+ * This counters is only meaningful for interfaces which support
+ * packet compression (e.g. CSLIP, PPP).
+ *
+ * @tx_compressed: Number of transmitted compressed packets.
+ * This counters is only meaningful for interfaces which support
+ * packet compression (e.g. CSLIP, PPP).
+ *
+ * @rx_nohandler: Number of packets received on the interface
+ * but dropped by the networking stack because the device is
+ * not designated to receive packets (e.g. backup link in a bond).
+ */
struct rtnl_link_stats64 {
- __u64 rx_packets; /* total packets received */
- __u64 tx_packets; /* total packets transmitted */
- __u64 rx_bytes; /* total bytes received */
- __u64 tx_bytes; /* total bytes transmitted */
- __u64 rx_errors; /* bad packets received */
- __u64 tx_errors; /* packet transmit problems */
- __u64 rx_dropped; /* no space in linux buffers */
- __u64 tx_dropped; /* no space available in linux */
- __u64 multicast; /* multicast packets received */
+ __u64 rx_packets;
+ __u64 tx_packets;
+ __u64 rx_bytes;
+ __u64 tx_bytes;
+ __u64 rx_errors;
+ __u64 tx_errors;
+ __u64 rx_dropped;
+ __u64 tx_dropped;
+ __u64 multicast;
__u64 collisions;
/* detailed rx_errors: */
__u64 rx_length_errors;
- __u64 rx_over_errors; /* receiver ring buff overflow */
- __u64 rx_crc_errors; /* recved pkt with crc error */
- __u64 rx_frame_errors; /* recv'd frame alignment error */
- __u64 rx_fifo_errors; /* recv'r fifo overrun */
- __u64 rx_missed_errors; /* receiver missed packet */
+ __u64 rx_over_errors;
+ __u64 rx_crc_errors;
+ __u64 rx_frame_errors;
+ __u64 rx_fifo_errors;
+ __u64 rx_missed_errors;
/* detailed tx_errors */
__u64 tx_aborted_errors;
@@ -71,8 +242,7 @@ struct rtnl_link_stats64 {
/* for cslip etc */
__u64 rx_compressed;
__u64 tx_compressed;
-
- __u64 rx_nohandler; /* dropped, no handler found */
+ __u64 rx_nohandler;
};
/* The struct should be in sync with struct ifmap */
@@ -170,12 +340,22 @@ enum {
IFLA_PROP_LIST,
IFLA_ALT_IFNAME, /* Alternative ifname */
IFLA_PERM_ADDRESS,
+ IFLA_PROTO_DOWN_REASON,
__IFLA_MAX
};
#define IFLA_MAX (__IFLA_MAX - 1)
+enum {
+ IFLA_PROTO_DOWN_REASON_UNSPEC,
+ IFLA_PROTO_DOWN_REASON_MASK, /* u32, mask for reason bits */
+ IFLA_PROTO_DOWN_REASON_VALUE, /* u32, reason bit value */
+
+ __IFLA_PROTO_DOWN_REASON_CNT,
+ IFLA_PROTO_DOWN_REASON_MAX = __IFLA_PROTO_DOWN_REASON_CNT - 1
+};
+
/* backwards compatibility for userspace */
#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
@@ -342,6 +522,7 @@ enum {
IFLA_BRPORT_ISOLATED,
IFLA_BRPORT_BACKUP_PORT,
IFLA_BRPORT_MRP_RING_OPEN,
+ IFLA_BRPORT_MRP_IN_OPEN,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
@@ -904,7 +1085,14 @@ enum {
#define IFLA_IPOIB_MAX (__IFLA_IPOIB_MAX - 1)
-/* HSR section */
+/* HSR/PRP section, both uses same interface */
+
+/* Different redundancy protocols for hsr device */
+enum {
+ HSR_PROTOCOL_HSR,
+ HSR_PROTOCOL_PRP,
+ HSR_PROTOCOL_MAX,
+};
enum {
IFLA_HSR_UNSPEC,
@@ -914,6 +1102,9 @@ enum {
IFLA_HSR_SUPERVISION_ADDR, /* Supervision frame multicast addr */
IFLA_HSR_SEQ_NR,
IFLA_HSR_VERSION, /* HSR version */
+ IFLA_HSR_PROTOCOL, /* Indicate different protocol than
+ * HSR. For example PRP.
+ */
__IFLA_HSR_MAX,
};
diff --git a/uapi/linux/rtnetlink.h b/uapi/linux/rtnetlink.h
index bcb1ba4d0146..5ad84e663d01 100644
--- a/uapi/linux/rtnetlink.h
+++ b/uapi/linux/rtnetlink.h
@@ -257,12 +257,12 @@ enum {
/* rtm_protocol */
-#define RTPROT_UNSPEC 0
-#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
- not used by current IPv4 */
-#define RTPROT_KERNEL 2 /* Route installed by kernel */
-#define RTPROT_BOOT 3 /* Route installed during boot */
-#define RTPROT_STATIC 4 /* Route installed by administrator */
+#define RTPROT_UNSPEC 0
+#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
+ not used by current IPv4 */
+#define RTPROT_KERNEL 2 /* Route installed by kernel */
+#define RTPROT_BOOT 3 /* Route installed during boot */
+#define RTPROT_STATIC 4 /* Route installed by administrator */
/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
they are just passed from user and back as is.
@@ -271,22 +271,23 @@ enum {
avoid conflicts.
*/
-#define RTPROT_GATED 8 /* Apparently, GateD */
-#define RTPROT_RA 9 /* RDISC/ND router advertisements */
-#define RTPROT_MRT 10 /* Merit MRT */
-#define RTPROT_ZEBRA 11 /* Zebra */
-#define RTPROT_BIRD 12 /* BIRD */
-#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
-#define RTPROT_XORP 14 /* XORP */
-#define RTPROT_NTK 15 /* Netsukuku */
-#define RTPROT_DHCP 16 /* DHCP client */
-#define RTPROT_MROUTED 17 /* Multicast daemon */
-#define RTPROT_BABEL 42 /* Babel daemon */
-#define RTPROT_BGP 186 /* BGP Routes */
-#define RTPROT_ISIS 187 /* ISIS Routes */
-#define RTPROT_OSPF 188 /* OSPF Routes */
-#define RTPROT_RIP 189 /* RIP Routes */
-#define RTPROT_EIGRP 192 /* EIGRP Routes */
+#define RTPROT_GATED 8 /* Apparently, GateD */
+#define RTPROT_RA 9 /* RDISC/ND router advertisements */
+#define RTPROT_MRT 10 /* Merit MRT */
+#define RTPROT_ZEBRA 11 /* Zebra */
+#define RTPROT_BIRD 12 /* BIRD */
+#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
+#define RTPROT_XORP 14 /* XORP */
+#define RTPROT_NTK 15 /* Netsukuku */
+#define RTPROT_DHCP 16 /* DHCP client */
+#define RTPROT_MROUTED 17 /* Multicast daemon */
+#define RTPROT_KEEPALIVED 18 /* Keepalived daemon */
+#define RTPROT_BABEL 42 /* Babel daemon */
+#define RTPROT_BGP 186 /* BGP Routes */
+#define RTPROT_ISIS 187 /* ISIS Routes */
+#define RTPROT_OSPF 188 /* OSPF Routes */
+#define RTPROT_RIP 189 /* RIP Routes */
+#define RTPROT_EIGRP 192 /* EIGRP Routes */
/* rtm_scope
@@ -775,6 +776,7 @@ enum {
#define RTEXT_FILTER_BRVLAN (1 << 1)
#define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2)
#define RTEXT_FILTER_SKIP_STATS (1 << 3)
+#define RTEXT_FILTER_MRP (1 << 4)
/* End of information exported to user level */
--
2.26.2
^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH ethtool v2 2/2] tunnels: implement new --show-tunnels command
2020-09-10 19:09 [PATCH ethtool v2 0/2] support tunnel info dumping Jakub Kicinski
2020-09-10 19:09 ` [PATCH ethtool v2 1/2] update UAPI header copies Jakub Kicinski
@ 2020-09-10 19:09 ` Jakub Kicinski
1 sibling, 0 replies; 3+ messages in thread
From: Jakub Kicinski @ 2020-09-10 19:09 UTC (permalink / raw)
To: mkubecek; +Cc: netdev, Jakub Kicinski
Add support for the new show-tunnels command. Support dump.
# ethtool --show-tunnels \*
Tunnel information for eth0:
UDP port table 0:
Size: 4
Types: vxlan
No entries
UDP port table 1:
Size: 4
Types: geneve, vxlan-gpe
Entries (2):
port 1230, vxlan-gpe
port 6081, geneve
v2: htons -> ntohs
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
Makefile.am | 2 +-
ethtool.8.in | 9 ++
ethtool.c | 5 +
netlink/extapi.h | 2 +
netlink/tunnels.c | 236 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 253 insertions(+), 1 deletion(-)
create mode 100644 netlink/tunnels.c
diff --git a/Makefile.am b/Makefile.am
index aca0ad7bc773..0e237d070d4b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,7 +37,7 @@ ethtool_SOURCES += \
netlink/channels.c netlink/coalesce.c netlink/pause.c \
netlink/eee.c netlink/tsinfo.c \
netlink/desc-ethtool.c netlink/desc-genlctrl.c \
- netlink/desc-rtnl.c netlink/cable_test.c \
+ netlink/desc-rtnl.c netlink/cable_test.c netlink/tunnels.c \
uapi/linux/ethtool_netlink.h \
uapi/linux/netlink.h uapi/linux/genetlink.h \
uapi/linux/rtnetlink.h uapi/linux/if_link.h
diff --git a/ethtool.8.in b/ethtool.8.in
index a50a4769895c..42c4767db33e 100644
--- a/ethtool.8.in
+++ b/ethtool.8.in
@@ -459,6 +459,9 @@ ethtool \- query or control network driver and hardware settings
.BN last N
.BN step N
.BN pair N
+.HP
+.B ethtool \-\-show\-tunnels
+.I devname
.
.\" Adjust lines (i.e. full justification) and hyphenate.
.ad
@@ -1383,6 +1386,12 @@ shown.
If a device name is used as argument, only notification for this device are
shown. Default is to show notifications for all devices.
.RE
+.TP
+.B \-\-show\-tunnels
+Show tunnel-related device capabilities and state.
+List UDP ports kernel has programmed the device to parse as VxLAN,
+or GENEVE tunnels.
+.RE
.SH BUGS
Not supported (in part or whole) on all network drivers.
.SH AUTHOR
diff --git a/ethtool.c b/ethtool.c
index 606af3e6b48f..23ecfcfd069c 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -5919,6 +5919,11 @@ static const struct option args[] = {
" [ step N ]\n"
" [ pair N ]\n"
},
+ {
+ .opts = "--show-tunnels",
+ .nlfunc = nl_gtunnels,
+ .help = "Show NIC tunnel offload information",
+ },
{
.opts = "-h|--help",
.no_dev = true,
diff --git a/netlink/extapi.h b/netlink/extapi.h
index a35d5f2c0b26..9285e2325dfd 100644
--- a/netlink/extapi.h
+++ b/netlink/extapi.h
@@ -37,6 +37,7 @@ int nl_seee(struct cmd_context *ctx);
int nl_tsinfo(struct cmd_context *ctx);
int nl_cable_test(struct cmd_context *ctx);
int nl_cable_test_tdr(struct cmd_context *ctx);
+int nl_gtunnels(struct cmd_context *ctx);
int nl_monitor(struct cmd_context *ctx);
void nl_monitor_usage(void);
@@ -84,6 +85,7 @@ static inline void nl_monitor_usage(void)
#define nl_tsinfo NULL
#define nl_cable_test NULL
#define nl_cable_test_tdr NULL
+#define nl_gtunnels NULL
#endif /* ETHTOOL_ENABLE_NETLINK */
diff --git a/netlink/tunnels.c b/netlink/tunnels.c
new file mode 100644
index 000000000000..b464046c021e
--- /dev/null
+++ b/netlink/tunnels.c
@@ -0,0 +1,236 @@
+/*
+ * tunnel.c - device tunnel information
+ *
+ * Implementation of "ethtool --show-tunnels <dev>"
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+
+#include "../common.h"
+#include "../internal.h"
+
+#include "bitset.h"
+#include "netlink.h"
+#include "strset.h"
+
+/* TUNNEL_INFO_GET */
+
+static int
+tunnel_info_strings_load(struct nl_context *nlctx,
+ const struct stringset **strings)
+{
+ int ret;
+
+ if (*strings)
+ return 0;
+ ret = netlink_init_ethnl2_socket(nlctx);
+ if (ret < 0)
+ return ret;
+ *strings = global_stringset(ETH_SS_UDP_TUNNEL_TYPES,
+ nlctx->ethnl2_socket);
+ return 0;
+}
+
+static int
+tunnel_info_dump_udp_entry(struct nl_context *nlctx, const struct nlattr *entry,
+ const struct stringset **strings)
+{
+ const struct nlattr *entry_tb[ETHTOOL_A_TUNNEL_UDP_ENTRY_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(entry_tb);
+ const struct nlattr *attr;
+ unsigned int port, type;
+ int ret;
+
+ if (tunnel_info_strings_load(nlctx, strings))
+ return 1;
+
+ ret = mnl_attr_parse_nested(entry, attr_cb, &entry_tb_info);
+ if (ret < 0) {
+ fprintf(stderr, "malformed netlink message (udp entry)\n");
+ return 1;
+ }
+
+ attr = entry_tb[ETHTOOL_A_TUNNEL_UDP_ENTRY_PORT];
+ if (!attr || mnl_attr_validate(attr, MNL_TYPE_U16) < 0) {
+ fprintf(stderr, "malformed netlink message (port)\n");
+ return 1;
+ }
+ port = ntohs(mnl_attr_get_u16(attr));
+
+ attr = entry_tb[ETHTOOL_A_TUNNEL_UDP_ENTRY_TYPE];
+ if (!attr || mnl_attr_validate(attr, MNL_TYPE_U32) < 0) {
+ fprintf(stderr, "malformed netlink message (tunnel type)\n");
+ return 1;
+ }
+ type = mnl_attr_get_u32(attr);
+
+ printf(" port %d, %s\n", port, get_string(*strings, type));
+
+ return 0;
+}
+
+static void tunnel_info_dump_cb(unsigned int idx, const char *name, bool val,
+ void *data)
+{
+ bool *first = data;
+
+ if (!val)
+ return;
+
+ if (!*first)
+ putchar(',');
+ *first = false;
+
+ if (name)
+ printf(" %s", name);
+ else
+ printf(" bit%u", idx);
+}
+
+static int
+tunnel_info_dump_list(struct nl_context *nlctx, const struct nlattr *attr,
+ const struct stringset **strings)
+{
+ bool first = true;
+ int ret;
+
+ if (bitset_is_empty(attr, false, &ret) || ret) {
+ if (ret)
+ return 1;
+
+ printf(" Types: none (static entries)\n");
+ return 0;
+ }
+
+ if (bitset_is_compact(attr) &&
+ tunnel_info_strings_load(nlctx, strings))
+ return 1;
+
+ printf(" Types:");
+ ret = walk_bitset(attr, *strings, tunnel_info_dump_cb, &first);
+ putchar('\n');
+ return ret;
+}
+
+static int
+tunnel_info_dump_udp_table(const struct nlattr *table, struct nl_context *nlctx,
+ const struct stringset **strings)
+{
+ const struct nlattr *table_tb[ETHTOOL_A_TUNNEL_UDP_TABLE_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(table_tb);
+ const struct nlattr *attr;
+ int i, ret;
+
+ ret = mnl_attr_parse_nested(table, attr_cb, &table_tb_info);
+ if (ret < 0) {
+ fprintf(stderr, "malformed netlink message (udp table)\n");
+ return 1;
+ }
+
+ attr = table_tb[ETHTOOL_A_TUNNEL_UDP_TABLE_SIZE];
+ if (!attr || mnl_attr_validate(attr, MNL_TYPE_U32) < 0) {
+ fprintf(stderr, "malformed netlink message (table size)\n");
+ return 1;
+ }
+ printf(" Size: %d\n", mnl_attr_get_u32(attr));
+
+ attr = table_tb[ETHTOOL_A_TUNNEL_UDP_TABLE_TYPES];
+ if (!attr || tunnel_info_dump_list(nlctx, attr, strings)) {
+ fprintf(stderr, "malformed netlink message (types)\n");
+ return 1;
+ }
+
+ if (!table_tb[ETHTOOL_A_TUNNEL_UDP_TABLE_ENTRY]) {
+ printf(" No entries\n");
+ return 0;
+ }
+
+ i = 0;
+ mnl_attr_for_each_nested(attr, table) {
+ if (mnl_attr_get_type(attr) == ETHTOOL_A_TUNNEL_UDP_TABLE_ENTRY)
+ i++;
+ }
+
+ printf(" Entries (%d):\n", i++);
+ mnl_attr_for_each_nested(attr, table) {
+ if (mnl_attr_get_type(attr) == ETHTOOL_A_TUNNEL_UDP_TABLE_ENTRY)
+ if (tunnel_info_dump_udp_entry(nlctx, attr, strings))
+ return 1;
+ }
+
+ return 0;
+}
+
+static int
+tunnel_info_dump_udp(const struct nlattr *udp_ports, struct nl_context *nlctx)
+{
+ const struct stringset *strings = NULL;
+ const struct nlattr *table;
+ int i, err;
+
+ i = 0;
+ mnl_attr_for_each_nested(table, udp_ports) {
+ if (mnl_attr_get_type(table) != ETHTOOL_A_TUNNEL_UDP_TABLE)
+ continue;
+
+ printf(" UDP port table %d: \n", i++);
+ err = tunnel_info_dump_udp_table(table, nlctx, &strings);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static int tunnel_info_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_TUNNEL_INFO_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ const struct nlattr *udp_ports;
+ struct nl_context *nlctx = data;
+ bool silent;
+ int err_ret;
+ int ret;
+
+ silent = nlctx->is_dump;
+ err_ret = silent ? MNL_CB_OK : MNL_CB_ERROR;
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return err_ret;
+ nlctx->devname = get_dev_name(tb[ETHTOOL_A_TUNNEL_INFO_HEADER]);
+ if (!dev_ok(nlctx))
+ return err_ret;
+
+ printf("Tunnel information for %s:\n", nlctx->devname);
+
+ udp_ports = tb[ETHTOOL_A_TUNNEL_INFO_UDP_PORTS];
+ if (udp_ports)
+ if (tunnel_info_dump_udp(udp_ports, nlctx))
+ return err_ret;
+
+ return MNL_CB_OK;
+}
+
+int nl_gtunnels(struct cmd_context *ctx)
+{
+ struct nl_context *nlctx = ctx->nlctx;
+ struct nl_socket *nlsk = nlctx->ethnl_socket;
+ int ret;
+
+ if (netlink_cmd_check(ctx, ETHTOOL_MSG_TUNNEL_INFO_GET, true))
+ return -EOPNOTSUPP;
+ if (ctx->argc > 0) {
+ fprintf(stderr, "ethtool: unexpected parameter '%s'\n",
+ *ctx->argp);
+ return 1;
+ }
+
+ ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_TUNNEL_INFO_GET,
+ ETHTOOL_A_TUNNEL_INFO_HEADER, 0);
+ if (ret < 0)
+ return ret;
+ return nlsock_send_get_request(nlsk, tunnel_info_reply_cb);
+}
--
2.26.2
^ permalink raw reply related [flat|nested] 3+ messages in thread