[dpdk-dev] [PATCH V2 1/2] net/mlx5: introduce a helper to set IP version match
Eli Britstein
elibr at mellanox.com
Sun May 3 12:47:54 CEST 2020
Introduce a heler function to set the ip_version match.
Signed-off-by: Eli Britstein <elibr at mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
---
drivers/net/mlx5/mlx5_flow_dv.c | 38 ++++++++++++++++++++++++++++----------
1 file changed, 28 insertions(+), 10 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 18d9d302e3..174d86103b 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -5449,6 +5449,32 @@ flow_dv_check_valid_spec(void *match_mask, void *match_value)
}
#endif
+/**
+ * Add match of ip_version.
+ *
+ * @param[in] group
+ * Flow group.
+ * @param[in] headers_v
+ * Values header pointer.
+ * @param[in] headers_m
+ * Masks header pointer.
+ * @param[in] ip_version
+ * The IP version to set.
+ */
+static inline void
+flow_dv_set_match_ip_version(uint32_t group,
+ void *headers_v,
+ void *headers_m,
+ uint8_t ip_version)
+{
+ if (group == 0)
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
+ else
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version,
+ ip_version);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, ip_version);
+}
+
/**
* Add Ethernet item to matcher and to the value.
*
@@ -5635,11 +5661,7 @@ flow_dv_translate_item_ipv4(void *matcher, void *key,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
- if (group == 0)
- MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
- else
- MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x4);
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 4);
+ flow_dv_set_match_ip_version(group, headers_v, headers_m, 4);
/*
* On outer header (which must contains L2), or inner header with L2,
* set cvlan_tag mask bit to mark this packet as untagged.
@@ -5737,11 +5759,7 @@ flow_dv_translate_item_ipv6(void *matcher, void *key,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
- if (group == 0)
- MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
- else
- MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x6);
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
+ flow_dv_set_match_ip_version(group, headers_v, headers_m, 6);
/*
* On outer header (which must contains L2), or inner header with L2,
* set cvlan_tag mask bit to mark this packet as untagged.
--
2.14.5
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