X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx4%2Fmlx4_flow.c;h=b40e7e5c3ad0d50415d5338d723f1aec3e8a3bdc;hb=c10cdce180a6ac535dc420376f115ca4ac44aead;hp=bebad074e112c7386061f48efef45ed3f282ccc8;hpb=1d173da83ef2176b7ef107b76a4c5b80d47e1d00;p=dpdk.git diff --git a/drivers/net/mlx4/mlx4_flow.c b/drivers/net/mlx4/mlx4_flow.c index bebad074e1..b40e7e5c3a 100644 --- a/drivers/net/mlx4/mlx4_flow.c +++ b/drivers/net/mlx4/mlx4_flow.c @@ -76,63 +76,93 @@ struct mlx4_drop { }; /** - * Convert DPDK RSS hash types to their Verbs equivalent. + * Convert supported RSS hash field types between DPDK and Verbs formats. * * This function returns the supported (default) set when @p types has - * special value (uint64_t)-1. + * special value 0. * * @param priv * Pointer to private structure. * @param types - * Hash types in DPDK format (see struct rte_eth_rss_conf). + * Depending on @p verbs_to_dpdk, hash types in either DPDK (see struct + * rte_eth_rss_conf) or Verbs format. + * @param verbs_to_dpdk + * A zero value converts @p types from DPDK to Verbs, a nonzero value + * performs the reverse operation. * * @return - * A valid Verbs RSS hash fields mask for mlx4 on success, (uint64_t)-1 - * otherwise and rte_errno is set. + * Converted RSS hash fields on success, (uint64_t)-1 otherwise and + * rte_errno is set. */ uint64_t -mlx4_conv_rss_types(struct priv *priv, uint64_t types) +mlx4_conv_rss_types(struct priv *priv, uint64_t types, int verbs_to_dpdk) { - enum { IPV4, IPV6, TCP, UDP, }; - const uint64_t in[] = { - [IPV4] = (ETH_RSS_IPV4 | - ETH_RSS_FRAG_IPV4 | - ETH_RSS_NONFRAG_IPV4_TCP | - ETH_RSS_NONFRAG_IPV4_UDP | - ETH_RSS_NONFRAG_IPV4_OTHER), - [IPV6] = (ETH_RSS_IPV6 | - ETH_RSS_FRAG_IPV6 | - ETH_RSS_NONFRAG_IPV6_TCP | - ETH_RSS_NONFRAG_IPV6_UDP | - ETH_RSS_NONFRAG_IPV6_OTHER | - ETH_RSS_IPV6_EX | - ETH_RSS_IPV6_TCP_EX | - ETH_RSS_IPV6_UDP_EX), - [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), + enum { + INNER, + IPV4, IPV4_1, IPV4_2, IPV6, IPV6_1, IPV6_2, IPV6_3, + TCP, UDP, + IPV4_TCP, IPV4_UDP, IPV6_TCP, IPV6_TCP_1, IPV6_UDP, IPV6_UDP_1, }; - const uint64_t out[RTE_DIM(in)] = { - [IPV4] = IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4, - [IPV6] = IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6, - [TCP] = IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP, - [UDP] = IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP, + enum { + VERBS_IPV4 = IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4, + VERBS_IPV6 = IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6, + VERBS_TCP = IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP, + VERBS_UDP = IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP, }; + static const uint64_t dpdk[] = { + [INNER] = 0, + [IPV4] = ETH_RSS_IPV4, + [IPV4_1] = ETH_RSS_FRAG_IPV4, + [IPV4_2] = ETH_RSS_NONFRAG_IPV4_OTHER, + [IPV6] = ETH_RSS_IPV6, + [IPV6_1] = ETH_RSS_FRAG_IPV6, + [IPV6_2] = ETH_RSS_NONFRAG_IPV6_OTHER, + [IPV6_3] = ETH_RSS_IPV6_EX, + [TCP] = 0, + [UDP] = 0, + [IPV4_TCP] = ETH_RSS_NONFRAG_IPV4_TCP, + [IPV4_UDP] = ETH_RSS_NONFRAG_IPV4_UDP, + [IPV6_TCP] = ETH_RSS_NONFRAG_IPV6_TCP, + [IPV6_TCP_1] = ETH_RSS_IPV6_TCP_EX, + [IPV6_UDP] = ETH_RSS_NONFRAG_IPV6_UDP, + [IPV6_UDP_1] = ETH_RSS_IPV6_UDP_EX, + }; + static const uint64_t verbs[RTE_DIM(dpdk)] = { + [INNER] = IBV_RX_HASH_INNER, + [IPV4] = VERBS_IPV4, + [IPV4_1] = VERBS_IPV4, + [IPV4_2] = VERBS_IPV4, + [IPV6] = VERBS_IPV6, + [IPV6_1] = VERBS_IPV6, + [IPV6_2] = VERBS_IPV6, + [IPV6_3] = VERBS_IPV6, + [TCP] = VERBS_TCP, + [UDP] = VERBS_UDP, + [IPV4_TCP] = VERBS_IPV4 | VERBS_TCP, + [IPV4_UDP] = VERBS_IPV4 | VERBS_UDP, + [IPV6_TCP] = VERBS_IPV6 | VERBS_TCP, + [IPV6_TCP_1] = VERBS_IPV6 | VERBS_TCP, + [IPV6_UDP] = VERBS_IPV6 | VERBS_UDP, + [IPV6_UDP_1] = VERBS_IPV6 | VERBS_UDP, + }; + const uint64_t *in = verbs_to_dpdk ? verbs : dpdk; + const uint64_t *out = verbs_to_dpdk ? dpdk : verbs; uint64_t seen = 0; uint64_t conv = 0; unsigned int i; - if (types == (uint64_t)-1) - return priv->hw_rss_sup; - for (i = 0; i != RTE_DIM(in); ++i) - if (types & in[i]) { + if (!types) { + if (!verbs_to_dpdk) + return priv->hw_rss_sup; + types = priv->hw_rss_sup; + } + for (i = 0; i != RTE_DIM(dpdk); ++i) + if (in[i] && (types & in[i]) == in[i]) { seen |= types & in[i]; conv |= out[i]; } - if ((conv & priv->hw_rss_sup) == conv && !(types & ~seen)) + if ((verbs_to_dpdk || (conv & priv->hw_rss_sup) == conv) && + !(types & ~seen)) return conv; rte_errno = ENOTSUP; return (uint64_t)-1; @@ -357,6 +387,9 @@ error: * Additional mlx4-specific constraints on supported fields: * * - No support for partial masks. + * - Due to HW/FW limitation, flow rule priority is not taken into account + * when matching UDP destination ports, doing is therefore only supported + * at the highest priority level (0). * * @param[in, out] flow * Flow rule handle to update. @@ -388,6 +421,11 @@ mlx4_flow_merge_udp(struct rte_flow *flow, msg = "mlx4 does not support matching partial UDP fields"; goto error; } + if (mask && mask->hdr.dst_port && flow->priority) { + msg = "combining UDP destination port matching with a nonzero" + " priority level is not supported"; + goto error; + } if (!flow->ibv_attr) return 0; ++flow->ibv_attr->num_of_specs; @@ -658,6 +696,7 @@ mlx4_flow_prepare(struct priv *priv, fill: overlap = 0; proc = mlx4_flow_proc_item_list; + flow->priority = attr->priority; /* Go over pattern. */ for (item = pattern; item->type; ++item) { const struct mlx4_flow_proc_item *next = NULL; @@ -801,7 +840,7 @@ fill: goto exit_action_not_supported; } rte_errno = 0; - fields = mlx4_conv_rss_types(priv, rss->types); + fields = mlx4_conv_rss_types(priv, rss->types, 0); if (fields == (uint64_t)-1 && rte_errno) { msg = "unsupported RSS hash type requested"; goto exit_action_not_supported; @@ -1295,7 +1334,7 @@ mlx4_flow_internal(struct priv *priv, struct rte_flow_error *error) struct rte_flow_action_rss action_rss = { .func = RTE_ETH_HASH_FUNCTION_DEFAULT, .level = 0, - .types = -1, + .types = 0, .key_len = MLX4_RSS_HASH_KEY_SIZE, .queue_num = queues, .key = mlx4_rss_hash_key_default,