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Date: Wed, 14 Feb 2018 13:07:01 -0800
From: Steve Wise <swise@...ngridcomputing.com>
To: dsahern@...il.com
Cc: leon@...nel.org, stephen@...workplumber.org,
netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: [PATCH RFC iproute-next 2/5] rdma: Add CM_ID resource tracking
information
Sample output:
# rdma resource
2: cxgb4_0: pd 5 cq 2 qp 2 cm_id 3 mr 7
3: mlx4_0: pd 7 cq 3 qp 3 cm_id 3 mr 7
# rdma resource show cm_id
[root@...vo1 iproute2]# /root/stevo/iproute2/rdma/rdma resource show cm_id
link cxgb4_0/- lqpn 0 qp-type RC state LISTEN ps TCP dev-type --- transport-type IWARP pid 30485 comm rping src-addr 0.0.0.0 src-port 7174 dst-addr 0.0.0.0 dst-port 0
link cxgb4_0/2 lqpn 1048 qp-type RC state CONNECT ps TCP dev-type ETH transport-type IWARP pid 30503 comm rping src-addr 172.16.2.1 src-port 7174 dst-addr 172.16.2.1 dst-port 38246
link cxgb4_0/2 lqpn 1040 qp-type RC state CONNECT ps TCP dev-type ETH transport-type IWARP pid 30498 comm rping src-addr 172.16.2.1 src-port 38246 dst-addr 172.16.2.1 dst-port 7174
link mlx4_0/- lqpn 0 qp-type RC state LISTEN ps TCP dev-type --- transport-type IB pid 30485 comm rping src-addr 0.0.0.0 src-port 7174 dst-addr 0.0.0.0 dst-port 0
link mlx4_0/1 lqpn 539 qp-type RC state CONNECT ps TCP dev-type ETH transport-type IB pid 30494 comm rping src-addr 172.16.99.1 src-port 7174 dst-addr 172.16.99.1 dst-port 43670
link mlx4_0/1 lqpn 538 qp-type RC state CONNECT ps TCP dev-type ETH transport-type IB pid 30492 comm rping src-addr 172.16.99.1 src-port 43670 dst-addr 172.16.99.1 dst-port 7174
# rdma resource show cm_id dst-port 7174
link cxgb4_0/2 lqpn 1040 qp-type RC state CONNECT ps TCP dev-type ETH transport-type IWARP pid 30498 comm rping src-addr 172.16.2.1 src-port 38246 dst-addr 172.16.2.1 dst-port 7174
link mlx4_0/1 lqpn 538 qp-type RC state CONNECT ps TCP dev-type ETH transport-type IB pid 30492 comm rping src-addr 172.16.99.1 src-port 43670 dst-addr 172.16.99.1 dst-port 7174
Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
---
rdma/rdma.h | 1 +
rdma/res.c | 312 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
rdma/utils.c | 12 +++
3 files changed, 321 insertions(+), 4 deletions(-)
diff --git a/rdma/rdma.h b/rdma/rdma.h
index 5809f70..1ef0942 100644
--- a/rdma/rdma.h
+++ b/rdma/rdma.h
@@ -18,6 +18,7 @@
#include <libmnl/libmnl.h>
#include <rdma/rdma_netlink.h>
#include <time.h>
+#include <net/if_arp.h>
#include "list.h"
#include "utils.h"
diff --git a/rdma/res.c b/rdma/res.c
index 2a63e71..beae7dc 100644
--- a/rdma/res.c
+++ b/rdma/res.c
@@ -16,9 +16,11 @@ static int res_help(struct rd *rd)
{
pr_out("Usage: %s resource\n", rd->filename);
pr_out(" resource show [DEV]\n");
- pr_out(" resource show [qp]\n");
+ pr_out(" resource show [qp|cm_id]\n");
pr_out(" resource show qp link [DEV/PORT]\n");
pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
+ pr_out(" resource show cm_id link [DEV/PORT]\n");
+ pr_out(" resource show cm_id link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
return 0;
}
@@ -431,6 +433,278 @@ static int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data)
return MNL_CB_OK;
}
+static void print_qp_type(struct rd *rd, uint32_t val)
+{
+ if (rd->json_output)
+ jsonw_string_field(rd->jw, "qp-type",
+ qp_types_to_str(val));
+ else
+ pr_out("qp-type %s ", qp_types_to_str(val));
+}
+
+static const char *cm_id_state_to_str(uint8_t idx)
+{
+ static const char * const cm_id_states_str[] = { "IDLE", "ADDR_QUERY",
+ "ADDR_RESOLVED", "ROUTE_QUERY", "ROUTE_RESOLVED",
+ "CONNECT", "DISCONNECT",
+ "ADDR_BOUND", "LISTEN", "DEVICE_REMOVAL", "DESTROYING" };
+
+ if (idx < ARRAY_SIZE(cm_id_states_str))
+ return cm_id_states_str[idx];
+ return "UNKNOWN";
+}
+
+enum rdma_port_space {
+ RDMA_PS_SDP = 0x0001,
+ RDMA_PS_IPOIB = 0x0002,
+ RDMA_PS_IB = 0x013F,
+ RDMA_PS_TCP = 0x0106,
+ RDMA_PS_UDP = 0x0111,
+};
+
+static const char *cm_id_ps_to_str(uint32_t ps)
+{
+ switch (ps) {
+ case RDMA_PS_SDP:
+ return "SDP";
+ case RDMA_PS_IPOIB:
+ return "IPoIB";
+ case RDMA_PS_IB:
+ return "IPoIB";
+ case RDMA_PS_TCP:
+ return "TCP";
+ case RDMA_PS_UDP:
+ return "UDP";
+ default:
+ return "---";
+ }
+}
+
+static const char *cm_id_dev_type_to_str(uint8_t dev_type)
+{
+ switch (dev_type) {
+ case ARPHRD_INFINIBAND:
+ return "IB";
+ case ARPHRD_ETHER:
+ return "ETH";
+ default:
+ return "---";
+ }
+}
+
+static const char *cm_id_transport_type_to_str(uint8_t transport_type)
+{
+ static const char * const transport_type_str[] = { "IB", "IWARP", "USNIC", "USNIC/UDP" };
+
+ if (transport_type < ARRAY_SIZE(transport_type_str))
+ return transport_type_str[transport_type];
+ return "---";
+}
+
+static void print_cm_id_state(struct rd *rd, uint8_t state)
+{
+ if (rd->json_output) {
+ jsonw_string_field(rd->jw, "state", cm_id_state_to_str(state));
+ return;
+ }
+ pr_out("state %s ", cm_id_state_to_str(state));
+}
+
+static void print_ps(struct rd *rd, uint32_t ps)
+{
+ if (rd->json_output) {
+ jsonw_string_field(rd->jw, "ps", cm_id_ps_to_str(ps));
+ return;
+ }
+ pr_out("ps %s ", cm_id_ps_to_str(ps));
+}
+
+static void print_dev_type(struct rd *rd, uint8_t dev_type)
+{
+ if (rd->json_output) {
+ jsonw_string_field(rd->jw, "dev-type", cm_id_dev_type_to_str(dev_type));
+ return;
+ }
+ pr_out("dev-type %s ", cm_id_dev_type_to_str(dev_type));
+}
+
+static void print_transport_type(struct rd *rd, uint8_t transport_type)
+{
+ if (rd->json_output) {
+ jsonw_string_field(rd->jw, "transport-type", cm_id_transport_type_to_str(transport_type));
+ return;
+ }
+ pr_out("transport-type %s ", cm_id_transport_type_to_str(transport_type));
+}
+
+static void print_ipaddr(struct rd *rd, const char *key, char *addrstr)
+{
+ if (rd->json_output) {
+ jsonw_string_field(rd->jw, key, addrstr);
+ return;
+ }
+ pr_out("%s %s ", key, addrstr);
+}
+
+static void print_ipport(struct rd *rd, const char *key, uint16_t ipport)
+{
+ if (rd->json_output) {
+ jsonw_uint_field(rd->jw, key, ipport);
+ return;
+ }
+ pr_out("%s %u ", key, ipport);
+}
+
+static int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+ struct nlattr *nla_table, *nla_entry;
+ struct rd *rd = data;
+ const char *name;
+ int idx;
+
+ mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+ if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
+ !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
+ !tb[RDMA_NLDEV_ATTR_RES_CM_ID])
+ return MNL_CB_ERROR;
+
+ name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+ idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+ nla_table = tb[RDMA_NLDEV_ATTR_RES_CM_ID];
+ mnl_attr_for_each_nested(nla_entry, nla_table) {
+ struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
+ uint8_t dev_type, transport_type;
+ char src_addr_str[INET6_ADDRSTRLEN];
+ char dst_addr_str[INET6_ADDRSTRLEN];
+ uint8_t *src_addr, *dst_addr;
+ uint16_t src_port, dst_port;
+ uint32_t port = 0, pid = 0;
+ uint8_t type, state;
+ uint32_t lqpn = 0, ps;
+ char *comm = NULL;
+ int err;
+
+ err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
+ (!nla_line[RDMA_NLDEV_ATTR_RES_IPV4_SADDR] &&
+ !nla_line[RDMA_NLDEV_ATTR_RES_IPV6_SADDR]) ||
+ (!nla_line[RDMA_NLDEV_ATTR_RES_IPV4_DADDR] &&
+ !nla_line[RDMA_NLDEV_ATTR_RES_IPV6_DADDR]) ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_IP_SPORT] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_IP_DPORT] ||
+ (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
+ !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
+ return MNL_CB_ERROR;
+ }
+
+ if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+ port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+ if (port && port != rd->port_idx)
+ continue;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
+ lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+ if (rd_check_is_filtered(rd, "lqpn", lqpn))
+ continue;
+
+ ps = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PS]);
+ if (rd_check_is_string_filtered(rd, "ps", cm_id_ps_to_str(ps)))
+ continue;
+
+ type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
+ if (rd_check_is_string_filtered(rd, "qp-type", qp_types_to_str(type)))
+ continue;
+
+ state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
+ if (rd_check_is_string_filtered(rd, "state", cm_id_state_to_str(state)))
+ continue;
+
+ dev_type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_DEV_TYPE]);
+ if (rd_check_is_string_filtered(rd, "dev-type", cm_id_dev_type_to_str(dev_type)))
+ continue;
+
+ transport_type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TRANSPORT_TYPE]);
+ if (rd_check_is_string_filtered(rd, "transport-type", cm_id_transport_type_to_str(transport_type)))
+ continue;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+ pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+ comm = get_task_name(pid);
+ }
+ if (rd_check_is_filtered(rd, "pid", pid))
+ continue;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) {
+ /* discard const from mnl_attr_get_str */
+ comm = (char *)mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
+ }
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_IPV4_SADDR]) {
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_IPV4_DADDR])
+ return -EINVAL;
+ src_addr = mnl_attr_get_payload(nla_line[RDMA_NLDEV_ATTR_RES_IPV4_SADDR]);
+ if (!inet_ntop(AF_INET, src_addr, src_addr_str, INET6_ADDRSTRLEN))
+ return -EINVAL;
+ dst_addr = mnl_attr_get_payload(nla_line[RDMA_NLDEV_ATTR_RES_IPV4_DADDR]);
+ if (!inet_ntop(AF_INET, dst_addr, dst_addr_str, INET6_ADDRSTRLEN))
+ return -EINVAL;
+ } else {
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_IPV6_SADDR] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_IPV6_DADDR])
+ return -EINVAL;
+ src_addr = mnl_attr_get_payload(nla_line[RDMA_NLDEV_ATTR_RES_IPV6_SADDR]);
+ if (!inet_ntop(AF_INET6, src_addr, src_addr_str, INET6_ADDRSTRLEN))
+ return -EINVAL;
+ dst_addr = mnl_attr_get_payload(nla_line[RDMA_NLDEV_ATTR_RES_IPV6_DADDR]);
+ if (!inet_ntop(AF_INET6, dst_addr, dst_addr_str, INET6_ADDRSTRLEN))
+ return -EINVAL;
+ }
+ if (rd_check_is_string_filtered(rd, "src-addr", src_addr_str))
+ continue;
+ if (rd_check_is_string_filtered(rd, "dst-addr", dst_addr_str))
+ continue;
+
+ src_port = mnl_attr_get_u16(nla_line[RDMA_NLDEV_ATTR_RES_IP_SPORT]);
+ dst_port = mnl_attr_get_u16(nla_line[RDMA_NLDEV_ATTR_RES_IP_DPORT]);
+ if (rd_check_is_filtered(rd, "src-port", src_port))
+ continue;
+ if (rd_check_is_filtered(rd, "dst-port", dst_port))
+ continue;
+
+ if (rd->json_output)
+ jsonw_start_array(rd->jw);
+
+ print_link(rd, idx, name, port, nla_line);
+ print_lqpn(rd, lqpn);
+ print_qp_type(rd, type);
+ print_cm_id_state(rd, state);
+ print_ps(rd, ps);
+ print_dev_type(rd, dev_type);
+ print_transport_type(rd, transport_type);
+ print_pid(rd, pid);
+ print_comm(rd, comm, nla_line);
+ print_ipaddr(rd, "src-addr", src_addr_str);
+ print_ipport(rd, "src-port", src_port);
+ print_ipaddr(rd, "dst-addr", dst_addr_str);
+ print_ipport(rd, "dst-port", dst_port);
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+ free(comm);
+
+ if (rd->json_output)
+ jsonw_end_array(rd->jw);
+ else
+ pr_out("\n");
+ }
+ return MNL_CB_OK;
+}
+
RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true);
static const struct
@@ -438,9 +712,9 @@ filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = {{ .name = "link",
.is_number = false },
{ .name = "lqpn",
.is_number = true },
- { .name = "rqpn",
- .is_number = true },
- { .name = "pid",
+ { .name = "type",
+ .is_number = false },
+ { .name = "cm_id_state",
.is_number = true },
{ .name = "sq-psn",
.is_number = true },
@@ -455,11 +729,41 @@ filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = {{ .name = "link",
RES_FUNC(res_qp, RDMA_NLDEV_CMD_RES_QP_GET, qp_valid_filters, false);
+static const struct
+filters cm_id_valid_filters[MAX_NUMBER_OF_FILTERS] = {{ .name = "link",
+ .is_number = false },
+ { .name = "lqpn",
+ .is_number = true },
+ { .name = "qp-type",
+ .is_number = false },
+ { .name = "state",
+ .is_number = false },
+ { .name = "ps",
+ .is_number = false },
+ { .name = "dev-type",
+ .is_number = false },
+ { .name = "transport-type",
+ .is_number = false },
+ { .name = "pid",
+ .is_number = true },
+ { .name = "src-addr",
+ .is_number = false },
+ { .name = "src-port",
+ .is_number = true },
+ { .name = "dst-addr",
+ .is_number = false },
+ { .name = "dst-port",
+ .is_number = true }};
+
+RES_FUNC(res_cm_id, RDMA_NLDEV_CMD_RES_CM_ID_GET, cm_id_valid_filters,
+ false);
+
static int res_show(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, res_no_args },
{ "qp", res_qp },
+ { "cm_id", res_cm_id },
{ 0 }
};
diff --git a/rdma/utils.c b/rdma/utils.c
index f946016..906ca73 100644
--- a/rdma/utils.c
+++ b/rdma/utils.c
@@ -375,6 +375,18 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_RES_STATE] = MNL_TYPE_U8,
[RDMA_NLDEV_ATTR_RES_PID] = MNL_TYPE_U32,
[RDMA_NLDEV_ATTR_RES_KERN_NAME] = MNL_TYPE_NUL_STRING,
+ [RDMA_NLDEV_ATTR_RES_CM_ID] = MNL_TYPE_NESTED,
+ [RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY] = MNL_TYPE_NESTED,
+ [RDMA_NLDEV_ATTR_RES_PS] = MNL_TYPE_U32,
+ [RDMA_NLDEV_ATTR_RES_IPV4_SADDR] = MNL_TYPE_UNSPEC,
+ [RDMA_NLDEV_ATTR_RES_IPV4_DADDR] = MNL_TYPE_UNSPEC,
+ [RDMA_NLDEV_ATTR_RES_IPV6_SADDR] = MNL_TYPE_UNSPEC,
+ [RDMA_NLDEV_ATTR_RES_IPV6_DADDR] = MNL_TYPE_UNSPEC,
+ [RDMA_NLDEV_ATTR_RES_IP_SPORT] = MNL_TYPE_U16,
+ [RDMA_NLDEV_ATTR_RES_IP_DPORT] = MNL_TYPE_U16,
+ [RDMA_NLDEV_ATTR_RES_DEV_TYPE] = MNL_TYPE_U8,
+ [RDMA_NLDEV_ATTR_RES_TRANSPORT_TYPE] = MNL_TYPE_U8,
+ [RDMA_NLDEV_ATTR_RES_NETWORK_TYPE] = MNL_TYPE_U8,
};
int rd_attr_cb(const struct nlattr *attr, void *data)
--
1.8.3.1
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