DPDK patches and discussions
 help / color / mirror / Atom feed
* [dpdk-dev] [PATCH] ethdev: add VLAN attributes to ETH and VLAN items
@ 2020-10-01 18:49 Dekel Peled
  2020-10-01 19:01 ` [dpdk-dev] [PATCH v2] " Dekel Peled
                   ` (3 more replies)
  0 siblings, 4 replies; 21+ messages in thread
From: Dekel Peled @ 2020-10-01 18:49 UTC (permalink / raw)
  To: orika, thomas, ferruh.yigit, arybchenko; +Cc: dev, maxime.leroy, Dekel Peled

From: Dekel Peled <dekelp@mellanox.com>

This patch implements the change proposes in RFC [1], adding dedicated
fields to ETH and VLAN items structs, to clearly define the required
characteristic of a packet, and enable precise match criteria.

[1] https://mails.dpdk.org/archives/dev/2020-August/177536.html

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
---
 doc/guides/rel_notes/release_20_11.rst |  7 +++++++
 lib/librte_ethdev/rte_flow.h           | 16 +++++++++++++---
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/doc/guides/rel_notes/release_20_11.rst b/doc/guides/rel_notes/release_20_11.rst
index 7f9d0dd..199c60b 100644
--- a/doc/guides/rel_notes/release_20_11.rst
+++ b/doc/guides/rel_notes/release_20_11.rst
@@ -173,6 +173,13 @@ API Changes
   * ``_rte_eth_dev_callback_process()`` -> ``rte_eth_dev_callback_process()``
   * ``_rte_eth_dev_reset`` -> ``rte_eth_dev_internal_reset()``
 
+* ethdev: Added new field ``vlan_exist`` to structure ``rte_flow_item_eth``,
+  indicating that at least one VLAN exists in the packet header.
+  
+* ethdev: Added new field ``more_vlans_exist`` to structure
+  ``rte_flow_item_vlan``, indicating that at least one more VLAN exists in
+  packet header, following this VLAN.
+
 * rawdev: Added a structure size parameter to the functions
   ``rte_rawdev_queue_setup()``, ``rte_rawdev_queue_conf_get()``,
   ``rte_rawdev_info_get()`` and ``rte_rawdev_configure()``,
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index da8bfa5..39d04ef 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -723,14 +723,18 @@ struct rte_flow_item_raw {
  * If the @p type field contains a TPID value, then only tagged packets with the
  * specified TPID will match the pattern.
  * Otherwise, only untagged packets will match the pattern.
- * If the @p ETH item is the only item in the pattern, and the @p type field
- * is not specified, then both tagged and untagged packets will match the
- * pattern.
+ * The field @p vlan_exist can be used to match specific packet types, instead
+ * of using the @p type field.
+ * This can be used to match any type of tagged packets.
+ * If the @p type and @p vlan_exist fields are not specified, then both tagged
+ * and untagged packets will match the pattern.
  */
 struct rte_flow_item_eth {
 	struct rte_ether_addr dst; /**< Destination MAC. */
 	struct rte_ether_addr src; /**< Source MAC. */
 	rte_be16_t type; /**< EtherType or TPID. */
+	uint32_t vlan_exist:1; /**< At least one VLAN exist in header. */
+	uint32_t reserved:31; /**< Reserved, must be zero. */
 };
 
 /** Default mask for RTE_FLOW_ITEM_TYPE_ETH. */
@@ -752,10 +756,16 @@ struct rte_flow_item_eth {
  * the preceding pattern item.
  * If a @p VLAN item is present in the pattern, then only tagged packets will
  * match the pattern.
+ * The field @p more_vlans_exist can be used to match specific packet types,
+ * instead of using the @p inner_type field.
+ * This can be used to match any type of tagged packets.
  */
 struct rte_flow_item_vlan {
 	rte_be16_t tci; /**< Tag control information. */
 	rte_be16_t inner_type; /**< Inner EtherType or TPID. */
+	uint32_t more_vlans_exist:1;
+	/**< At least one more VLAN exist in header, following this VLAN. */
+	uint32_t reserved:31; /**< Reserved, must be zero. */
 };
 
 /** Default mask for RTE_FLOW_ITEM_TYPE_VLAN. */
-- 
1.8.3.1


^ permalink raw reply	[flat|nested] 21+ messages in thread

end of thread, other threads:[~2020-10-15 23:18 UTC | newest]

Thread overview: 21+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-01 18:49 [dpdk-dev] [PATCH] ethdev: add VLAN attributes to ETH and VLAN items Dekel Peled
2020-10-01 19:01 ` [dpdk-dev] [PATCH v2] " Dekel Peled
2020-10-07 18:21   ` [dpdk-dev] [PATCH v3] " Dekel Peled
2020-10-02 12:39 ` [dpdk-dev] [PATCH] " Maxime Leroy
2020-10-02 14:40   ` Thomas Monjalon
2020-10-05  9:37   ` Dekel Peled
2020-10-07 11:52     ` Maxime Leroy
2020-10-07 12:13       ` Ori Kam
2020-10-07 14:01         ` Dekel Peled
2020-10-14 18:53 ` [dpdk-dev] [PATCH v4 0/2] support VLAN attributes in " Dekel Peled
2020-10-14 18:53   ` [dpdk-dev] [PATCH v4 1/2] ethdev: add VLAN attributes to " Dekel Peled
2020-10-14 20:13     ` Thomas Monjalon
2020-10-15 10:34     ` Andrew Rybchenko
2020-10-15 15:06       ` Dekel Peled
2020-10-14 18:53   ` [dpdk-dev] [PATCH v4 2/2] app/testpmd: support VLAN attributes in " Dekel Peled
2020-10-15  6:09     ` Ori Kam
2020-10-15 15:51 ` [dpdk-dev] [PATCH v5 0/2] " Dekel Peled
2020-10-15 15:51   ` [dpdk-dev] [PATCH v5 1/2] ethdev: add VLAN attributes to " Dekel Peled
2020-10-15 16:11     ` Ori Kam
2020-10-15 15:51   ` [dpdk-dev] [PATCH v5 2/2] app/testpmd: support VLAN attributes in " Dekel Peled
2020-10-15 23:18   ` [dpdk-dev] [PATCH v5 0/2] " Ferruh Yigit

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git