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From: Pablo de Lara <pablo.de.lara.guarch@intel.com>
To: dev@dpdk.org
Date: Sat, 21 Feb 2015 01:53:07 +0000
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<1424483591-25944-1-git-send-email-pablo.de.lara.guarch@intel.com>
Subject: [dpdk-dev] [PATCH v3 1/5] ethdev: define flex filter type and its
structure
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From: Jingjing Wu <jingjing.wu@intel.com>
This patch defines flex filter type RTE_ETH_FILTER_FLEXIBLE and its structure rte_eth_flex_filter.
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
lib/librte_ether/rte_eth_ctrl.h | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/lib/librte_ether/rte_eth_ctrl.h b/lib/librte_ether/rte_eth_ctrl.h
index 0ce241e..beacfa3 100644
--- a/lib/librte_ether/rte_eth_ctrl.h
+++ b/lib/librte_ether/rte_eth_ctrl.h
@@ -53,6 +53,7 @@ enum rte_filter_type {
RTE_ETH_FILTER_NONE = 0,
RTE_ETH_FILTER_MACVLAN,
RTE_ETH_FILTER_ETHERTYPE,
+ RTE_ETH_FILTER_FLEXIBLE,
RTE_ETH_FILTER_TUNNEL,
RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_HASH,
@@ -116,6 +117,25 @@ struct rte_eth_ethertype_filter {
uint16_t queue; /**< Queue assigned to when match*/
};
+#define RTE_FLEX_FILTER_MAXLEN 128 /**< bytes to use in flex filter. */
+#define RTE_FLEX_FILTER_MASK_SIZE \
+ (RTE_ALIGN(RTE_FLEX_FILTER_MAXLEN, CHAR_BIT) / CHAR_BIT)
+ /**< mask bytes in flex filter. */
+
+/**
+ * A structure used to define the flex filter entry
+ * to support RTE_ETH_FILTER_FLEXIBLE with RTE_ETH_FILTER_ADD,
+ * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_flex_filter {
+ uint16_t len;
+ uint8_t bytes[RTE_FLEX_FILTER_MAXLEN]; /**< flex bytes in big endian.*/
+ uint8_t mask[RTE_FLEX_FILTER_MASK_SIZE]; /**< if mask bit is 1b, do
+ not compare corresponding byte. */
+ uint8_t priority;
+ uint16_t queue; /**< Queue assigned to when match. */
+};
+
/**
* Tunneled type.
*/
--
1.7.4.1