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net/mlx4: disable UDP support in RSS flow rules

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When part of the RSS hash calculation, UDP packets are discarded (not
received on any queue) likely due to an issue with the kernel
implementation.

Temporarily disable UDP RSS support until this issue is resolved.

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
This commit is contained in:
Adrien Mazarguil 2017-10-12 14:19:42 +02:00 committed by Ferruh Yigit
parent 078b8b452e
commit 31c629c6f7
1 changed files with 5 additions and 5 deletions
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10
drivers/net/mlx4/mlx4_flow.c
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@ -133,9 +133,11 @@ mlx4_conv_rss_hf(uint64_t rss_hf)
[TCP] = (ETH_RSS_NONFRAG_IPV4_TCP |
ETH_RSS_NONFRAG_IPV6_TCP |
ETH_RSS_IPV6_TCP_EX),
[UDP] = (ETH_RSS_NONFRAG_IPV4_UDP |
ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_IPV6_UDP_EX),
/*
* UDP support is temporarily disabled due to an
* implementation issue in the kernel.
*/
[UDP] = 0,
};
const uint64_t out[RTE_DIM(in)] = {
[IPV4] = IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4,
@ -753,10 +755,8 @@ fill:
.rss_key = mlx4_rss_hash_key_default,
.rss_key_len = MLX4_RSS_HASH_KEY_SIZE,
.rss_hf = (ETH_RSS_IPV4 |
ETH_RSS_NONFRAG_IPV4_UDP |
ETH_RSS_NONFRAG_IPV4_TCP |
ETH_RSS_IPV6 |
ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_NONFRAG_IPV6_TCP),
};
/* Sanity checks. */