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From 548573fb441d1b7752cb54065841c3d30aff8cc2 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <psutter@redhat.com>
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Date: Sat, 9 Jul 2016 11:33:14 +0200
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Subject: [PATCH] devlink: introduce dump filtering function
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1342515
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Upstream Status: iproute2.git commit 707a91c549496
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commit 707a91c5494962e3f5b358fc866ebb79dc28c3e3
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Author: Jiri Pirko <jiri@mellanox.com>
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Date: Fri Apr 15 09:51:49 2016 +0200
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devlink: introduce dump filtering function
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This function is to be used from dump callbacks to decide if the output
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currect output should be filtered off or not. Filtering is based on
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previously parsed and stored command line options.
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Signed-off-by: Jiri Pirko <jiri@mellanox.com>
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---
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devlink/devlink.c | 30 ++++++++++++++++++++++++++++++
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1 file changed, 30 insertions(+)
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diff --git a/devlink/devlink.c b/devlink/devlink.c
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index 0c2132f..d436bbf 100644
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--- a/devlink/devlink.c
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+++ b/devlink/devlink.c
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@@ -563,6 +563,36 @@ static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
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return 0;
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}
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+static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
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+{
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+ struct dl_opts *opts = &dl->opts;
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+ struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
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+ struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
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+ struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
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+
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+ if (opts->present & DL_OPT_HANDLE &&
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+ attr_bus_name && attr_dev_name) {
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+ const char *bus_name = mnl_attr_get_str(attr_bus_name);
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+ const char *dev_name = mnl_attr_get_str(attr_dev_name);
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+
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+ if (strcmp(bus_name, opts->bus_name) != 0 ||
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+ strcmp(dev_name, opts->dev_name) != 0)
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+ return false;
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+ }
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+ if (opts->present & DL_OPT_HANDLEP &&
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+ attr_bus_name && attr_dev_name && attr_port_index) {
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+ const char *bus_name = mnl_attr_get_str(attr_bus_name);
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+ const char *dev_name = mnl_attr_get_str(attr_dev_name);
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+ uint32_t port_index = mnl_attr_get_u32(attr_port_index);
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+
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+ if (strcmp(bus_name, opts->bus_name) != 0 ||
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+ strcmp(dev_name, opts->dev_name) != 0 ||
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+ port_index != opts->port_index)
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+ return false;
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+ }
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+ return true;
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+}
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+
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static void cmd_dev_help(void)
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{
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pr_out("Usage: devlink dev show [ DEV ]\n");
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--
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1.8.3.1
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