| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20190223091528.8509-15-leon@kernel.org>
Date: Sat, 23 Feb 2019 11:15:23 +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 14/19] rdma: Move MR code to be suitable for per-line parsing
From: Leon Romanovsky <leonro@...lanox.com>
Reviewed-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
rdma/res-mr.c | 178 +++++++++++++++++++++++++-------------------------
1 file changed, 90 insertions(+), 88 deletions(-)
diff --git a/rdma/res-mr.c b/rdma/res-mr.c
index e373035a..36993b5e 100644
--- a/rdma/res-mr.c
+++ b/rdma/res-mr.c
@@ -7,11 +7,96 @@
#include "res.h"
#include <inttypes.h>
+static int res_mr_line(struct rd *rd, const char *name, int idx,
+ struct nlattr *nla_entry)
+{
+ struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
+ uint32_t rkey = 0, lkey = 0;
+ uint64_t iova = 0, mrlen;
+ char *comm = NULL;
+ uint32_t pdn = 0;
+ uint32_t mrn = 0;
+ uint32_t pid = 0;
+ 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_MRLEN] ||
+ (!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_RES_RKEY])
+ rkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
+ lkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
+ iova = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
+
+ mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
+ if (rd_check_is_filtered(rd, "mrlen", mrlen))
+ 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_MRN])
+ mrn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
+ if (rd_check_is_filtered(rd, "mrn", mrn))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
+ pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+ if (rd_check_is_filtered(rd, "pdn", pdn))
+ 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_dev(rd, idx, name);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
+ print_key(rd, "rkey", rkey);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
+ print_key(rd, "lkey", lkey);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
+ print_key(rd, "iova", iova);
+ res_print_uint(rd, "mrlen", mrlen);
+ res_print_uint(rd, "pid", pid);
+ print_comm(rd, comm, nla_line);
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_MRN])
+ res_print_uint(rd, "mrn", mrn);
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
+ res_print_uint(rd, "pdn", pdn);
+
+ 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_mr_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;
uint32_t idx;
@@ -25,93 +110,10 @@ int res_mr_parse_cb(const struct nlmsghdr *nlh, void *data)
nla_table = tb[RDMA_NLDEV_ATTR_RES_MR];
mnl_attr_for_each_nested(nla_entry, nla_table) {
- struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
- uint32_t rkey = 0, lkey = 0;
- uint64_t iova = 0, mrlen;
- char *comm = NULL;
- uint32_t pdn = 0;
- uint32_t mrn = 0;
- uint32_t pid = 0;
- 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_MRLEN] ||
- (!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_RES_RKEY])
- rkey = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
- if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
- lkey = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
- if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
- iova = mnl_attr_get_u64(
- nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
-
- mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
- if (rd_check_is_filtered(rd, "mrlen", mrlen))
- 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_MRN])
- mrn = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
- if (rd_check_is_filtered(rd, "mrn", mrn))
- continue;
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
- pdn = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
- if (rd_check_is_filtered(rd, "pdn", pdn))
- 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_dev(rd, idx, name);
- if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
- print_key(rd, "rkey", rkey);
- if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
- print_key(rd, "lkey", lkey);
- if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
- print_key(rd, "iova", iova);
- res_print_uint(rd, "mrlen", mrlen);
- res_print_uint(rd, "pid", pid);
- print_comm(rd, comm, nla_line);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_MRN])
- res_print_uint(rd, "mrn", mrn);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
- res_print_uint(rd, "pdn", pdn);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
- free(comm);
-
- print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
- newline(rd);
+ ret = res_mr_line(rd, name, idx, nla_entry);
+
+ if (ret != MNL_CB_OK)
+ break;
}
- return MNL_CB_OK;
+ return ret;
}
-
--
2.19.1
Powered by blists - more mailing lists