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Message-Id: <20190223091528.8509-13-leon@kernel.org>
Date: Sat, 23 Feb 2019 11:15:21 +0200
From: Leon Romanovsky <leon@...nel.org>
To: David Ahern <dsahern@...il.com>
Cc: Leon Romanovsky <leonro@...lanox.com>,
netdev <netdev@...r.kernel.org>,
RDMA mailing list <linux-rdma@...r.kernel.org>,
Stephen Hemminger <stephen@...workplumber.org>,
Steve Wise <swise@...ngridcomputing.com>
Subject: [PATCH iproute2-next v2 12/19] rdma: Simplify CM_ID print code
From: Leon Romanovsky <leonro@...lanox.com>
Refactor our the CM_ID print code.
Reviewed-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
rdma/res-cmid.c | 246 ++++++++++++++++++++++++------------------------
1 file changed, 124 insertions(+), 122 deletions(-)
diff --git a/rdma/res-cmid.c b/rdma/res-cmid.c
index 5eea7a6b..12d1acee 100644
--- a/rdma/res-cmid.c
+++ b/rdma/res-cmid.c
@@ -108,11 +108,130 @@ static int ss_ntop(struct nlattr *nla_line, char *addr_str, uint16_t *port)
return 0;
}
+static int res_cm_id_line(struct rd *rd, const char *name, int idx,
+ struct nlattr *nla_entry)
+{
+ struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
+ char src_addr_str[INET6_ADDRSTRLEN];
+ char dst_addr_str[INET6_ADDRSTRLEN];
+ uint16_t src_port, dst_port;
+ uint32_t port = 0, pid = 0;
+ uint8_t type = 0, state;
+ uint32_t lqpn = 0, ps;
+ uint32_t cm_idn = 0;
+ char *comm = NULL;
+ int err;
+
+ err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+ if (err != MNL_CB_OK)
+ return MNL_CB_ERROR;
+
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_PS] ||
+ (!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)
+ goto out;
+
+ 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))
+ goto out;
+ }
+ if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE]) {
+ 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)))
+ goto out;
+ }
+
+ 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)))
+ goto out;
+
+ 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)))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]) {
+ if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
+ src_addr_str, &src_port))
+ goto out;
+ if (rd_check_is_string_filtered(rd, "src-addr", src_addr_str))
+ goto out;
+ if (rd_check_is_filtered(rd, "src-port", src_port))
+ goto out;
+ }
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]) {
+ if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
+ dst_addr_str, &dst_port))
+ goto out;
+ if (rd_check_is_string_filtered(rd, "dst-addr", dst_addr_str))
+ goto out;
+ if (rd_check_is_filtered(rd, "dst-port", dst_port))
+ goto out;
+ }
+
+ 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))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
+ cm_idn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
+ if (rd_check_is_filtered(rd, "cm-idn", cm_idn))
+ goto out;
+
+ 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 (rd->json_output)
+ jsonw_start_array(rd->jw);
+
+ print_link(rd, idx, name, port, nla_line);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
+ res_print_uint(rd, "lqpn", lqpn);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
+ print_qp_type(rd, type);
+ print_cm_id_state(rd, state);
+ print_ps(rd, ps);
+ res_print_uint(rd, "pid", pid);
+ print_comm(rd, comm, nla_line);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
+ res_print_uint(rd, "cm-idn", cm_idn);
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
+ print_ipaddr(rd, "src-addr", src_addr_str, src_port);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
+ print_ipaddr(rd, "dst-addr", dst_addr_str, dst_port);
+
+ print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+ newline(rd);
+
+out: if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+ free(comm);
+ return MNL_CB_OK;
+}
+
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;
+ int ret = MNL_CB_OK;
const char *name;
int idx;
@@ -124,129 +243,12 @@ int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data)
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] = {};
- char src_addr_str[INET6_ADDRSTRLEN];
- char dst_addr_str[INET6_ADDRSTRLEN];
- uint16_t src_port, dst_port;
- uint32_t port = 0, pid = 0;
- uint8_t type = 0, state;
- uint32_t lqpn = 0, ps;
- uint32_t cm_idn = 0;
- char *comm = NULL;
- int err;
-
- err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
- if (err != MNL_CB_OK)
- return -EINVAL;
+ ret = res_cm_id_line(rd, name, idx, nla_entry);
- if (!nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
- !nla_line[RDMA_NLDEV_ATTR_RES_PS] ||
- (!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;
- }
- if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE]) {
- 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;
- }
-
- 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;
-
- 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;
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]) {
- if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
- src_addr_str, &src_port))
- continue;
- if (rd_check_is_string_filtered(rd, "src-addr",
- src_addr_str))
- continue;
- if (rd_check_is_filtered(rd, "src-port", src_port))
- continue;
- }
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]) {
- if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
- dst_addr_str, &dst_port))
- continue;
- if (rd_check_is_string_filtered(rd, "dst-addr",
- dst_addr_str))
- continue;
- if (rd_check_is_filtered(rd, "dst-port", dst_port))
- 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)) {
- free(comm);
- continue;
- }
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
- cm_idn = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
- if (rd_check_is_filtered(rd, "cm-idn", cm_idn))
- 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 (rd->json_output)
- jsonw_start_array(rd->jw);
-
- print_link(rd, idx, name, port, nla_line);
- if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
- res_print_uint(rd, "lqpn", lqpn);
- if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
- print_qp_type(rd, type);
- print_cm_id_state(rd, state);
- print_ps(rd, ps);
- res_print_uint(rd, "pid", pid);
- print_comm(rd, comm, nla_line);
- if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
- res_print_uint(rd, "cm-idn", cm_idn);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
- print_ipaddr(rd, "src-addr", src_addr_str, src_port);
- if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
- print_ipaddr(rd, "dst-addr", dst_addr_str, dst_port);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
- free(comm);
-
- print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
- newline(rd);
+ if (ret != MNL_CB_OK)
+ break;
}
- return MNL_CB_OK;
+ return ret;
}
--
2.19.1
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