DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
	matan@mellanox.com, stable@dpdk.org
Subject: [dpdk-dev] [PATCH 1/7] ethdev: add function to test port ownership
Date: Thu, 12 Mar 2020 10:20:41 -0700	[thread overview]
Message-ID: <20200312172047.19973-2-stephen@networkplumber.org> (raw)
In-Reply-To: <20200312172047.19973-1-stephen@networkplumber.org>

Applications using a port mask need a method to be able
to test for (and reject) ethdev ports that are in use for
other purposes.

Fixes: 5b7ba31148a8 ("ethdev: add port ownership")
Cc: matan@mellanox.com
Cc: stable@dpdk.org
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/librte_ethdev/rte_ethdev.c           |  9 +++++++++
 lib/librte_ethdev/rte_ethdev.h           | 15 +++++++++++++++
 lib/librte_ethdev/rte_ethdev_version.map |  3 +++
 3 files changed, 27 insertions(+)

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 774c721b3484..38f99f417dba 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -685,6 +685,15 @@ rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 	return ret;
 }
 
+int
+rte_eth_dev_is_owned_by(uint16_t port_id, uint64_t owner_id)
+{
+	if (!rte_eth_dev_is_valid_port(port_id))
+		return 0;
+
+	return rte_eth_devices[port_id].data->owner.id == owner_id;
+}
+
 int
 rte_eth_dev_owner_delete(const uint64_t owner_id)
 {
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index d1a593ad112a..91a8f9578282 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -1530,6 +1530,21 @@ uint64_t rte_eth_find_next_owned_by(uint16_t port_id,
 	     (unsigned int)p < (unsigned int)RTE_MAX_ETHPORTS; \
 	     p = rte_eth_find_next_owned_by(p + 1, o))
 
+/**
+ * Test if a port is owned
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device
+ * @param	owner_id
+ *   The owner identifier.
+ *   RTE_ETH_DEV_NO_OWNER means test if port is not owned.
+ * @return
+ *   - 0 if port is out of range or not owned by owner_id
+ *   - 1 if device is associated with owner_id
+ */
+__rte_experimental
+int rte_eth_dev_is_owned_by(uint16_t port_id, uint64_t owner_id);
+
 /**
  * Iterates over valid ethdev ports.
  *
diff --git a/lib/librte_ethdev/rte_ethdev_version.map b/lib/librte_ethdev/rte_ethdev_version.map
index 3f32fdecf722..95231fe3410c 100644
--- a/lib/librte_ethdev/rte_ethdev_version.map
+++ b/lib/librte_ethdev/rte_ethdev_version.map
@@ -230,4 +230,7 @@ EXPERIMENTAL {
 
 	# added in 20.02
 	rte_flow_dev_dump;
+
+	# added in 20.05
+	rte_eth_dev_is_owned_by;
 };
-- 
2.20.1


  reply	other threads:[~2020-03-12 17:21 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-12 17:20 [dpdk-dev] [PATCH 0/7] checking for owned ports in portmask Stephen Hemminger
2020-03-12 17:20 ` Stephen Hemminger [this message]
2020-03-15  7:45   ` [dpdk-dev] [PATCH 1/7] ethdev: add function to test port ownership Matan Azrad
2020-03-12 17:20 ` [dpdk-dev] [PATCH 2/7] examples/l2fwd-cat: block attempts to use owned ports Stephen Hemminger
2020-03-15  7:51   ` Matan Azrad
2020-03-12 17:20 ` [dpdk-dev] [PATCH 3/7] examples/l3fwd: " Stephen Hemminger
2020-03-12 17:20 ` [dpdk-dev] [PATCH 4/7] examples/l3fwd-acl: " Stephen Hemminger
2020-03-12 17:20 ` [dpdk-dev] [PATCH 5/7] examples/l3fwd-power: " Stephen Hemminger
2020-03-12 17:20 ` [dpdk-dev] [PATCH 6/7] examples/tep_termination: " Stephen Hemminger
2020-03-12 17:20 ` [dpdk-dev] [PATCH 7/7] examples/vhost: " Stephen Hemminger
2020-03-16 16:09 ` [dpdk-dev] [PATCH v2 0/6] check for owned ports in portmask Stephen Hemminger
2020-03-16 16:09   ` [dpdk-dev] [PATCH v2 1/6] rte_ethdev: add function to check if device is owned Stephen Hemminger
2020-04-01 21:42     ` Thomas Monjalon
2020-04-01 22:24       ` Stephen Hemminger
2020-04-02  8:04         ` Thomas Monjalon
2020-03-16 16:09   ` [dpdk-dev] [PATCH v2 2/6] examples/l2fwd-cat: block attempts to use owned ports Stephen Hemminger
2020-03-16 16:09   ` [dpdk-dev] [PATCH v2 3/6] examples/l3fwd: " Stephen Hemminger
2020-03-16 16:09   ` [dpdk-dev] [PATCH v2 4/6] examples/l3fwd-acl: " Stephen Hemminger
2020-03-16 16:09   ` [dpdk-dev] [PATCH v2 5/6] examples/l3fwd-power: " Stephen Hemminger
2020-03-16 16:09   ` [dpdk-dev] [PATCH v2 6/6] examples/tep_termination: " Stephen Hemminger
2020-03-17  8:18   ` [dpdk-dev] [PATCH v2 0/6] check for owned ports in portmask Matan Azrad
2020-04-02 17:19 ` [dpdk-dev] [PATCH v3 0/6] checking " Stephen Hemminger
2020-04-02 17:19   ` [dpdk-dev] [PATCH v3 1/6] rte_ethdev: change rte_eth_dev_owner_get to return error if unowned Stephen Hemminger
2020-04-10 15:45     ` Ferruh Yigit
2020-04-02 17:19   ` [dpdk-dev] [PATCH v3 2/6] examples/l2fwd-cat: make applicaton aware of port ownership Stephen Hemminger
2020-04-10 15:47     ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2020-04-02 17:19   ` [dpdk-dev] [PATCH v3 3/6] examples/l3fwd: " Stephen Hemminger
2020-04-02 17:19   ` [dpdk-dev] [PATCH v3 4/6] examples/l3fwd-acl: " Stephen Hemminger
2020-04-02 17:19   ` [dpdk-dev] [PATCH v3 5/6] examples/l3fwd-power: " Stephen Hemminger
2020-04-02 17:19   ` [dpdk-dev] [PATCH v3 6/6] examples/tep_termination: rework the port setup logic Stephen Hemminger
2020-04-10 16:16     ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200312172047.19973-2-stephen@networkplumber.org \
    --to=stephen@networkplumber.org \
    --cc=dev@dpdk.org \
    --cc=matan@mellanox.com \
    --cc=stable@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).