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path: root/drivers/net/ethernet/intel/iavf/iavf_fdir.h
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Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_fdir.h')
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_fdir.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.h b/drivers/net/ethernet/intel/iavf/iavf_fdir.h
index 2439c970b657..33c55c366315 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_fdir.h
+++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.h
@@ -35,6 +35,11 @@ enum iavf_fdir_flow_type {
IAVF_FDIR_FLOW_PTYPE_MAX,
};
+/* Must not exceed the array element number of '__be32 data[2]' in the ethtool
+ * 'struct ethtool_rx_flow_spec.m_ext.data[2]' to express the flex-byte (word).
+ */
+#define IAVF_FLEX_WORD_NUM 2
+
struct iavf_flex_word {
u16 offset;
u16 word;
@@ -71,7 +76,7 @@ struct iavf_fdir_ip {
};
struct iavf_fdir_extra {
- u32 usr_def[2];
+ u32 usr_def[IAVF_FLEX_WORD_NUM];
};
/* bookkeeping of Flow Director filters */
@@ -95,7 +100,7 @@ struct iavf_fdir_fltr {
/* flex byte filter data */
u8 ip_ver; /* used to adjust the flex offset, 4 : IPv4, 6 : IPv6 */
u8 flex_cnt;
- struct iavf_flex_word flex_words[2];
+ struct iavf_flex_word flex_words[IAVF_FLEX_WORD_NUM];
u32 flow_id;