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net/mlx5: introduce helper to set IP version match

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Introduce a helper function to set the ip_version match.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
This commit is contained in:
Eli Britstein 2020-05-03 10:47:54 +00:00 committed by Ferruh Yigit
parent 869ea2e62d
commit dd5374bcf0
1 changed files with 28 additions and 10 deletions
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38
drivers/net/mlx5/mlx5_flow_dv.c
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@ -5611,6 +5611,32 @@ 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.
*
@ -5797,11 +5823,7 @@ 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.
@ -5899,11 +5921,7 @@ 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.