From: Xueming Li Date: Mon, 23 Apr 2018 12:33:06 +0000 (+0800) Subject: net/mlx5: support tunnel RSS level X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d4a405186b73a868bee962a5a941a058a1e59f3f;p=dpdk.git net/mlx5: support tunnel RSS level Tunnel RSS level of flow RSS action offers user a choice to do RSS hash calculation on inner or outer RSS fields. Testpmd flow command examples: GRE flow inner RSS: flow create 0 ingress pattern eth / ipv4 proto is 47 / gre / end actions rss queues 1 2 end level 1 / end GRE tunnel flow outer RSS: flow create 0 ingress pattern eth / ipv4 proto is 47 / gre / end actions rss queues 1 2 end level 0 / end Signed-off-by: Xueming Li Acked-by: Nelio Laranjeiro --- diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile index ead66a40c3..3c5b4943ad 100644 --- a/drivers/net/mlx5/Makefile +++ b/drivers/net/mlx5/Makefile @@ -8,7 +8,7 @@ include $(RTE_SDK)/mk/rte.vars.mk LIB = librte_pmd_mlx5.a LIB_GLUE = $(LIB_GLUE_BASE).$(LIB_GLUE_VERSION) LIB_GLUE_BASE = librte_pmd_mlx5_glue.so -LIB_GLUE_VERSION = 18.02.0 +LIB_GLUE_VERSION = 18.05.0 # Sources. SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5.c diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c index 61b7deba38..b71def5073 100644 --- a/drivers/net/mlx5/mlx5_flow.c +++ b/drivers/net/mlx5/mlx5_flow.c @@ -464,6 +464,7 @@ struct mlx5_flow_parse { /**< Pointer to Verbs attributes. */ unsigned int offset; /**< Current position or total size of the attribute. */ + uint64_t hash_fields; /**< Verbs hash fields. */ } queue[RTE_DIM(hash_rxq_init)]; }; @@ -707,7 +708,8 @@ mlx5_flow_convert_actions(struct rte_eth_dev *dev, " function is Toeplitz"); return -rte_errno; } - if (rss->level) { +#ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT + if (parser->rss_conf.level > 1) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, actions, @@ -715,6 +717,15 @@ mlx5_flow_convert_actions(struct rte_eth_dev *dev, " level is not supported"); return -rte_errno; } +#endif + if (parser->rss_conf.level > 2) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + actions, + "RSS encapsulation level" + " > 1 is not supported"); + return -rte_errno; + } if (rss->types & MLX5_RSS_HF_MASK) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, @@ -765,7 +776,7 @@ mlx5_flow_convert_actions(struct rte_eth_dev *dev, } parser->rss_conf = (struct rte_flow_action_rss){ .func = RTE_ETH_HASH_FUNCTION_DEFAULT, - .level = 0, + .level = rss->level, .types = rss->types, .key_len = rss_key_len, .queue_num = rss->queue_num, @@ -849,10 +860,12 @@ exit_action_overlap: * 0 on success, a negative errno value otherwise and rte_errno is set. */ static int -mlx5_flow_convert_items_validate(const struct rte_flow_item items[], +mlx5_flow_convert_items_validate(struct rte_eth_dev *dev, + const struct rte_flow_item items[], struct rte_flow_error *error, struct mlx5_flow_parse *parser) { + struct priv *priv = dev->data->dev_private; const struct mlx5_flow_items *cur_item = mlx5_flow_items; unsigned int i; int ret = 0; @@ -894,6 +907,14 @@ mlx5_flow_convert_items_validate(const struct rte_flow_item items[], " tunnel encapsulations."); return -rte_errno; } + if (!priv->config.tunnel_en && + parser->rss_conf.level > 1) { + rte_flow_error_set(error, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ITEM, + items, + "RSS on tunnel is not supported"); + return -rte_errno; + } parser->inner = IBV_FLOW_SPEC_INNER; parser->tunnel = flow_ptype[items->type]; } @@ -1013,7 +1034,11 @@ static void mlx5_flow_convert_finalise(struct mlx5_flow_parse *parser) { unsigned int i; + uint32_t inner = parser->inner; + /* Don't create extra flows for outer RSS. */ + if (parser->tunnel && parser->rss_conf.level < 2) + return; /* * Fill missing layers in verbs specifications, or compute the correct * offset to allocate the memory space for the attributes and @@ -1024,23 +1049,25 @@ mlx5_flow_convert_finalise(struct mlx5_flow_parse *parser) struct ibv_flow_spec_ipv4_ext ipv4; struct ibv_flow_spec_ipv6 ipv6; struct ibv_flow_spec_tcp_udp udp_tcp; + struct ibv_flow_spec_eth eth; } specs; void *dst; uint16_t size; if (i == parser->layer) continue; - if (parser->layer == HASH_RXQ_ETH) { + if (parser->layer == HASH_RXQ_ETH || + parser->layer == HASH_RXQ_TUNNEL) { if (hash_rxq_init[i].ip_version == MLX5_IPV4) { size = sizeof(struct ibv_flow_spec_ipv4_ext); specs.ipv4 = (struct ibv_flow_spec_ipv4_ext){ - .type = IBV_FLOW_SPEC_IPV4_EXT, + .type = inner | IBV_FLOW_SPEC_IPV4_EXT, .size = size, }; } else { size = sizeof(struct ibv_flow_spec_ipv6); specs.ipv6 = (struct ibv_flow_spec_ipv6){ - .type = IBV_FLOW_SPEC_IPV6, + .type = inner | IBV_FLOW_SPEC_IPV6, .size = size, }; } @@ -1057,7 +1084,7 @@ mlx5_flow_convert_finalise(struct mlx5_flow_parse *parser) (i == HASH_RXQ_UDPV6) || (i == HASH_RXQ_TCPV6)) { size = sizeof(struct ibv_flow_spec_tcp_udp); specs.udp_tcp = (struct ibv_flow_spec_tcp_udp) { - .type = ((i == HASH_RXQ_UDPV4 || + .type = inner | ((i == HASH_RXQ_UDPV4 || i == HASH_RXQ_UDPV6) ? IBV_FLOW_SPEC_UDP : IBV_FLOW_SPEC_TCP), @@ -1087,50 +1114,93 @@ mlx5_flow_convert_finalise(struct mlx5_flow_parse *parser) static int mlx5_flow_convert_rss(struct mlx5_flow_parse *parser) { - const unsigned int ipv4 = - hash_rxq_init[parser->layer].ip_version == MLX5_IPV4; - const enum hash_rxq_type hmin = ipv4 ? HASH_RXQ_TCPV4 : HASH_RXQ_TCPV6; - const enum hash_rxq_type hmax = ipv4 ? HASH_RXQ_IPV4 : HASH_RXQ_IPV6; - const enum hash_rxq_type ohmin = ipv4 ? HASH_RXQ_TCPV6 : HASH_RXQ_TCPV4; - const enum hash_rxq_type ohmax = ipv4 ? HASH_RXQ_IPV6 : HASH_RXQ_IPV4; - const enum hash_rxq_type ip = ipv4 ? HASH_RXQ_IPV4 : HASH_RXQ_IPV6; unsigned int i; - - /* Remove any other flow not matching the pattern. */ - if (parser->rss_conf.queue_num == 1 && !parser->rss_conf.types) { - for (i = 0; i != hash_rxq_init_n; ++i) { - if (i == HASH_RXQ_ETH) + enum hash_rxq_type start; + enum hash_rxq_type layer; + int outer = parser->tunnel && parser->rss_conf.level < 2; + uint64_t rss = parser->rss_conf.types; + + /* Default to outer RSS. */ + if (!parser->rss_conf.level) + parser->rss_conf.level = 1; + layer = outer ? parser->out_layer : parser->layer; + if (layer == HASH_RXQ_TUNNEL) + layer = HASH_RXQ_ETH; + if (outer) { + /* Only one hash type for outer RSS. */ + if (rss && layer == HASH_RXQ_ETH) { + start = HASH_RXQ_TCPV4; + } else if (rss && layer != HASH_RXQ_ETH && + !(rss & hash_rxq_init[layer].dpdk_rss_hf)) { + /* If RSS not match L4 pattern, try L3 RSS. */ + if (layer < HASH_RXQ_IPV4) + layer = HASH_RXQ_IPV4; + else if (layer > HASH_RXQ_IPV4 && layer < HASH_RXQ_IPV6) + layer = HASH_RXQ_IPV6; + start = layer; + } else { + start = layer; + } + /* Scan first valid hash type. */ + for (i = start; rss && i <= layer; ++i) { + if (!parser->queue[i].ibv_attr) continue; - rte_free(parser->queue[i].ibv_attr); - parser->queue[i].ibv_attr = NULL; + if (hash_rxq_init[i].dpdk_rss_hf & rss) + break; } - return 0; - } - if (parser->layer == HASH_RXQ_ETH) - return 0; - /* This layer becomes useless as the pattern define under layers. */ - rte_free(parser->queue[HASH_RXQ_ETH].ibv_attr); - parser->queue[HASH_RXQ_ETH].ibv_attr = NULL; - /* Remove opposite kind of layer e.g. IPv6 if the pattern is IPv4. */ - for (i = ohmin; i != (ohmax + 1); ++i) { - if (!parser->queue[i].ibv_attr) - continue; - rte_free(parser->queue[i].ibv_attr); - parser->queue[i].ibv_attr = NULL; - } - /* Remove impossible flow according to the RSS configuration. */ - if (hash_rxq_init[parser->layer].dpdk_rss_hf & - parser->rss_conf.types) { - /* Remove any other flow. */ - for (i = hmin; i != (hmax + 1); ++i) { - if (i == parser->layer || !parser->queue[i].ibv_attr) + if (rss && i <= layer) + parser->queue[layer].hash_fields = + hash_rxq_init[i].hash_fields; + /* Trim unused hash types. */ + for (i = 0; i != hash_rxq_init_n; ++i) { + if (parser->queue[i].ibv_attr && i != layer) { + rte_free(parser->queue[i].ibv_attr); + parser->queue[i].ibv_attr = NULL; + } + } + } else { + /* Expand for inner or normal RSS. */ + if (rss && (layer == HASH_RXQ_ETH || layer == HASH_RXQ_IPV4)) + start = HASH_RXQ_TCPV4; + else if (rss && layer == HASH_RXQ_IPV6) + start = HASH_RXQ_TCPV6; + else + start = layer; + /* For L4 pattern, try L3 RSS if no L4 RSS. */ + /* Trim unused hash types. */ + for (i = 0; i != hash_rxq_init_n; ++i) { + if (!parser->queue[i].ibv_attr) continue; - rte_free(parser->queue[i].ibv_attr); - parser->queue[i].ibv_attr = NULL; + if (i < start || i > layer) { + rte_free(parser->queue[i].ibv_attr); + parser->queue[i].ibv_attr = NULL; + continue; + } + if (!rss) + continue; + if (hash_rxq_init[i].dpdk_rss_hf & rss) { + parser->queue[i].hash_fields = + hash_rxq_init[i].hash_fields; + } else if (i != layer) { + /* Remove unused RSS expansion. */ + rte_free(parser->queue[i].ibv_attr); + parser->queue[i].ibv_attr = NULL; + } else if (layer < HASH_RXQ_IPV4 && + (hash_rxq_init[HASH_RXQ_IPV4].dpdk_rss_hf & + rss)) { + /* Allow IPv4 RSS on L4 pattern. */ + parser->queue[i].hash_fields = + hash_rxq_init[HASH_RXQ_IPV4] + .hash_fields; + } else if (i > HASH_RXQ_IPV4 && i < HASH_RXQ_IPV6 && + (hash_rxq_init[HASH_RXQ_IPV6].dpdk_rss_hf & + rss)) { + /* Allow IPv4 RSS on L4 pattern. */ + parser->queue[i].hash_fields = + hash_rxq_init[HASH_RXQ_IPV6] + .hash_fields; + } } - } else if (!parser->queue[ip].ibv_attr) { - /* no RSS possible with the current configuration. */ - parser->rss_conf.queue_num = 1; } return 0; } @@ -1178,7 +1248,7 @@ mlx5_flow_convert(struct rte_eth_dev *dev, ret = mlx5_flow_convert_actions(dev, actions, error, parser); if (ret) return ret; - ret = mlx5_flow_convert_items_validate(items, error, parser); + ret = mlx5_flow_convert_items_validate(dev, items, error, parser); if (ret) return ret; mlx5_flow_convert_finalise(parser); @@ -1199,10 +1269,6 @@ mlx5_flow_convert(struct rte_eth_dev *dev, for (i = 0; i != hash_rxq_init_n; ++i) { unsigned int offset; - if (!(parser->rss_conf.types & - hash_rxq_init[i].dpdk_rss_hf) && - (i != HASH_RXQ_ETH)) - continue; offset = parser->queue[i].offset; parser->queue[i].ibv_attr = mlx5_flow_convert_allocate(offset, error); @@ -1214,6 +1280,7 @@ mlx5_flow_convert(struct rte_eth_dev *dev, /* Third step. Conversion parse, fill the specifications. */ parser->inner = 0; parser->tunnel = 0; + parser->layer = HASH_RXQ_ETH; for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) { struct mlx5_flow_data data = { .dev = dev, @@ -1295,17 +1362,11 @@ mlx5_flow_create_copy(struct mlx5_flow_parse *parser, void *src, for (i = 0; i != hash_rxq_init_n; ++i) { if (!parser->queue[i].ibv_attr) continue; - /* Specification must be the same l3 type or none. */ - if (parser->layer == HASH_RXQ_ETH || - (hash_rxq_init[parser->layer].ip_version == - hash_rxq_init[i].ip_version) || - (hash_rxq_init[i].ip_version == 0)) { - dst = (void *)((uintptr_t)parser->queue[i].ibv_attr + - parser->queue[i].offset); - memcpy(dst, src, size); - ++parser->queue[i].ibv_attr->num_of_specs; - parser->queue[i].offset += size; - } + dst = (void *)((uintptr_t)parser->queue[i].ibv_attr + + parser->queue[i].offset); + memcpy(dst, src, size); + ++parser->queue[i].ibv_attr->num_of_specs; + parser->queue[i].offset += size; } } @@ -1336,9 +1397,7 @@ mlx5_flow_create_eth(const struct rte_flow_item *item, .size = eth_size, }; - /* Don't update layer for the inner pattern. */ - if (!parser->inner) - parser->layer = HASH_RXQ_ETH; + parser->layer = HASH_RXQ_ETH; if (spec) { unsigned int i; @@ -1459,9 +1518,7 @@ mlx5_flow_create_ipv4(const struct rte_flow_item *item, "L3 VXLAN not enabled by device" " parameter and/or not configured" " in firmware"); - /* Don't update layer for the inner pattern. */ - if (!parser->inner) - parser->layer = HASH_RXQ_IPV4; + parser->layer = HASH_RXQ_IPV4; if (spec) { if (!mask) mask = default_mask; @@ -1524,9 +1581,7 @@ mlx5_flow_create_ipv6(const struct rte_flow_item *item, "L3 VXLAN not enabled by device" " parameter and/or not configured" " in firmware"); - /* Don't update layer for the inner pattern. */ - if (!parser->inner) - parser->layer = HASH_RXQ_IPV6; + parser->layer = HASH_RXQ_IPV6; if (spec) { unsigned int i; uint32_t vtc_flow_val; @@ -1599,13 +1654,10 @@ mlx5_flow_create_udp(const struct rte_flow_item *item, .size = udp_size, }; - /* Don't update layer for the inner pattern. */ - if (!parser->inner) { - if (parser->layer == HASH_RXQ_IPV4) - parser->layer = HASH_RXQ_UDPV4; - else - parser->layer = HASH_RXQ_UDPV6; - } + if (parser->layer == HASH_RXQ_IPV4) + parser->layer = HASH_RXQ_UDPV4; + else + parser->layer = HASH_RXQ_UDPV6; if (spec) { if (!mask) mask = default_mask; @@ -1648,13 +1700,10 @@ mlx5_flow_create_tcp(const struct rte_flow_item *item, .size = tcp_size, }; - /* Don't update layer for the inner pattern. */ - if (!parser->inner) { - if (parser->layer == HASH_RXQ_IPV4) - parser->layer = HASH_RXQ_TCPV4; - else - parser->layer = HASH_RXQ_TCPV6; - } + if (parser->layer == HASH_RXQ_IPV4) + parser->layer = HASH_RXQ_TCPV4; + else + parser->layer = HASH_RXQ_TCPV6; if (spec) { if (!mask) mask = default_mask; @@ -1704,6 +1753,11 @@ mlx5_flow_create_vxlan(const struct rte_flow_item *item, id.vni[0] = 0; parser->inner = IBV_FLOW_SPEC_INNER; parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)]; + parser->out_layer = parser->layer; + parser->layer = HASH_RXQ_TUNNEL; + /* Default VXLAN to outer RSS. */ + if (!parser->rss_conf.level) + parser->rss_conf.level = 1; if (spec) { if (!mask) mask = default_mask; @@ -1761,6 +1815,11 @@ mlx5_flow_create_gre(const struct rte_flow_item *item __rte_unused, parser->inner = IBV_FLOW_SPEC_INNER; parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_GRE)]; + parser->out_layer = parser->layer; + parser->layer = HASH_RXQ_TUNNEL; + /* Default GRE to inner RSS. */ + if (!parser->rss_conf.level) + parser->rss_conf.level = 2; /* Update encapsulation IP layer protocol. */ for (i = 0; i != hash_rxq_init_n; ++i) { if (!parser->queue[i].ibv_attr) @@ -1952,33 +2011,33 @@ mlx5_flow_create_action_queue_rss(struct rte_eth_dev *dev, unsigned int i; for (i = 0; i != hash_rxq_init_n; ++i) { - uint64_t hash_fields; - if (!parser->queue[i].ibv_attr) continue; flow->frxq[i].ibv_attr = parser->queue[i].ibv_attr; parser->queue[i].ibv_attr = NULL; - hash_fields = hash_rxq_init[i].hash_fields; + flow->frxq[i].hash_fields = parser->queue[i].hash_fields; if (!priv->dev->data->dev_started) continue; flow->frxq[i].hrxq = mlx5_hrxq_get(dev, parser->rss_conf.key, parser->rss_conf.key_len, - hash_fields, + flow->frxq[i].hash_fields, parser->rss_conf.queue, parser->rss_conf.queue_num, - parser->tunnel); + parser->tunnel, + parser->rss_conf.level); if (flow->frxq[i].hrxq) continue; flow->frxq[i].hrxq = mlx5_hrxq_new(dev, parser->rss_conf.key, parser->rss_conf.key_len, - hash_fields, + flow->frxq[i].hash_fields, parser->rss_conf.queue, parser->rss_conf.queue_num, - parser->tunnel); + parser->tunnel, + parser->rss_conf.level); if (!flow->frxq[i].hrxq) { return rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE, @@ -2083,7 +2142,7 @@ mlx5_flow_create_action_queue(struct rte_eth_dev *dev, DRV_LOG(DEBUG, "port %u %p type %d QP %p ibv_flow %p", dev->data->port_id, (void *)flow, i, - (void *)flow->frxq[i].hrxq, + (void *)flow->frxq[i].hrxq->qp, (void *)flow->frxq[i].ibv_flow); } if (!flows_n) { @@ -2611,19 +2670,21 @@ mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list) flow->frxq[i].hrxq = mlx5_hrxq_get(dev, flow->rss_conf.key, flow->rss_conf.key_len, - hash_rxq_init[i].hash_fields, + flow->frxq[i].hash_fields, flow->rss_conf.queue, flow->rss_conf.queue_num, - flow->tunnel); + flow->tunnel, + flow->rss_conf.level); if (flow->frxq[i].hrxq) goto flow_create; flow->frxq[i].hrxq = mlx5_hrxq_new(dev, flow->rss_conf.key, flow->rss_conf.key_len, - hash_rxq_init[i].hash_fields, + flow->frxq[i].hash_fields, flow->rss_conf.queue, flow->rss_conf.queue_num, - flow->tunnel); + flow->tunnel, + flow->rss_conf.level); if (!flow->frxq[i].hrxq) { DRV_LOG(DEBUG, "port %u flow %p cannot be applied", diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c index a771ac4c78..cd27163528 100644 --- a/drivers/net/mlx5/mlx5_glue.c +++ b/drivers/net/mlx5/mlx5_glue.c @@ -313,6 +313,21 @@ mlx5_glue_dv_init_obj(struct mlx5dv_obj *obj, uint64_t obj_type) return mlx5dv_init_obj(obj, obj_type); } +static struct ibv_qp * +mlx5_glue_dv_create_qp(struct ibv_context *context, + struct ibv_qp_init_attr_ex *qp_init_attr_ex, + struct mlx5dv_qp_init_attr *dv_qp_init_attr) +{ +#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT + return mlx5dv_create_qp(context, qp_init_attr_ex, dv_qp_init_attr); +#else + (void)context; + (void)qp_init_attr_ex; + (void)dv_qp_init_attr; + return NULL; +#endif +} + const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){ .version = MLX5_GLUE_VERSION, .fork_init = mlx5_glue_fork_init, @@ -356,4 +371,5 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){ .dv_query_device = mlx5_glue_dv_query_device, .dv_set_context_attr = mlx5_glue_dv_set_context_attr, .dv_init_obj = mlx5_glue_dv_init_obj, + .dv_create_qp = mlx5_glue_dv_create_qp, }; diff --git a/drivers/net/mlx5/mlx5_glue.h b/drivers/net/mlx5/mlx5_glue.h index 33385d2268..9f36af81aa 100644 --- a/drivers/net/mlx5/mlx5_glue.h +++ b/drivers/net/mlx5/mlx5_glue.h @@ -31,6 +31,10 @@ struct ibv_counter_set_init_attr; struct ibv_query_counter_set_attr; #endif +#ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT +struct mlx5dv_qp_init_attr; +#endif + /* LIB_GLUE_VERSION must be updated every time this structure is modified. */ struct mlx5_glue { const char *version; @@ -106,6 +110,10 @@ struct mlx5_glue { enum mlx5dv_set_ctx_attr_type type, void *attr); int (*dv_init_obj)(struct mlx5dv_obj *obj, uint64_t obj_type); + struct ibv_qp *(*dv_create_qp) + (struct ibv_context *context, + struct ibv_qp_init_attr_ex *qp_init_attr_ex, + struct mlx5dv_qp_init_attr *dv_qp_init_attr); }; const struct mlx5_glue *mlx5_glue; diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c index 9653d1dcd7..f81de251fd 100644 --- a/drivers/net/mlx5/mlx5_rxq.c +++ b/drivers/net/mlx5/mlx5_rxq.c @@ -1385,7 +1385,9 @@ mlx5_ind_table_ibv_verify(struct rte_eth_dev *dev) * @param queues_n * Number of queues. * @param tunnel - * Tunnel type. + * Tunnel type, implies tunnel offloading like inner checksum if available. + * @param rss_level + * RSS hash on tunnel level. * * @return * The Verbs object initialised, NULL otherwise and rte_errno is set. @@ -1394,13 +1396,17 @@ struct mlx5_hrxq * mlx5_hrxq_new(struct rte_eth_dev *dev, const uint8_t *rss_key, uint32_t rss_key_len, uint64_t hash_fields, - const uint16_t *queues, uint32_t queues_n, uint32_t tunnel) + const uint16_t *queues, uint32_t queues_n, + uint32_t tunnel, uint32_t rss_level) { struct priv *priv = dev->data->dev_private; struct mlx5_hrxq *hrxq; struct mlx5_ind_table_ibv *ind_tbl; struct ibv_qp *qp; int err; +#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT + struct mlx5dv_qp_init_attr qp_init_attr = {0}; +#endif queues_n = hash_fields ? queues_n : 1; ind_tbl = mlx5_ind_table_ibv_get(dev, queues, queues_n); @@ -1414,6 +1420,36 @@ mlx5_hrxq_new(struct rte_eth_dev *dev, rss_key_len = rss_hash_default_key_len; rss_key = rss_hash_default_key; } +#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT + if (tunnel) { + qp_init_attr.comp_mask = + MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS; + qp_init_attr.create_flags = MLX5DV_QP_CREATE_TUNNEL_OFFLOADS; + } + qp = mlx5_glue->dv_create_qp + (priv->ctx, + &(struct ibv_qp_init_attr_ex){ + .qp_type = IBV_QPT_RAW_PACKET, + .comp_mask = + IBV_QP_INIT_ATTR_PD | + IBV_QP_INIT_ATTR_IND_TABLE | + IBV_QP_INIT_ATTR_RX_HASH, + .rx_hash_conf = (struct ibv_rx_hash_conf){ + .rx_hash_function = IBV_RX_HASH_FUNC_TOEPLITZ, + .rx_hash_key_len = rss_key_len ? rss_key_len : + rss_hash_default_key_len, + .rx_hash_key = rss_key ? + (void *)(uintptr_t)rss_key : + rss_hash_default_key, + .rx_hash_fields_mask = hash_fields | + (tunnel && rss_level > 1 ? + (uint32_t)IBV_RX_HASH_INNER : 0), + }, + .rwq_ind_tbl = ind_tbl->ind_table, + .pd = priv->pd, + }, + &qp_init_attr); +#else qp = mlx5_glue->create_qp_ex (priv->ctx, &(struct ibv_qp_init_attr_ex){ @@ -1424,13 +1460,17 @@ mlx5_hrxq_new(struct rte_eth_dev *dev, IBV_QP_INIT_ATTR_RX_HASH, .rx_hash_conf = (struct ibv_rx_hash_conf){ .rx_hash_function = IBV_RX_HASH_FUNC_TOEPLITZ, - .rx_hash_key_len = rss_key_len, - .rx_hash_key = (void *)(uintptr_t)rss_key, + .rx_hash_key_len = rss_key_len ? rss_key_len : + rss_hash_default_key_len, + .rx_hash_key = rss_key ? + (void *)(uintptr_t)rss_key : + rss_hash_default_key, .rx_hash_fields_mask = hash_fields, }, .rwq_ind_tbl = ind_tbl->ind_table, .pd = priv->pd, }); +#endif if (!qp) { rte_errno = errno; goto error; @@ -1443,6 +1483,7 @@ mlx5_hrxq_new(struct rte_eth_dev *dev, hrxq->rss_key_len = rss_key_len; hrxq->hash_fields = hash_fields; hrxq->tunnel = tunnel; + hrxq->rss_level = rss_level; memcpy(hrxq->rss_key, rss_key, rss_key_len); rte_atomic32_inc(&hrxq->refcnt); LIST_INSERT_HEAD(&priv->hrxqs, hrxq, next); @@ -1472,7 +1513,9 @@ error: * @param queues_n * Number of queues. * @param tunnel - * Tunnel type. + * Tunnel type, implies tunnel offloading like inner checksum if available. + * @param rss_level + * RSS hash on tunnel level * * @return * An hash Rx queue on success. @@ -1481,7 +1524,8 @@ struct mlx5_hrxq * mlx5_hrxq_get(struct rte_eth_dev *dev, const uint8_t *rss_key, uint32_t rss_key_len, uint64_t hash_fields, - const uint16_t *queues, uint32_t queues_n, uint32_t tunnel) + const uint16_t *queues, uint32_t queues_n, + uint32_t tunnel, uint32_t rss_level) { struct priv *priv = dev->data->dev_private; struct mlx5_hrxq *hrxq; @@ -1498,6 +1542,8 @@ mlx5_hrxq_get(struct rte_eth_dev *dev, continue; if (hrxq->tunnel != tunnel) continue; + if (hrxq->rss_level != rss_level) + continue; ind_tbl = mlx5_ind_table_ibv_get(dev, queues, queues_n); if (!ind_tbl) continue; diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h index 1ecf1ddcb8..2fc12a186d 100644 --- a/drivers/net/mlx5/mlx5_rxtx.h +++ b/drivers/net/mlx5/mlx5_rxtx.h @@ -147,6 +147,7 @@ struct mlx5_hrxq { struct ibv_qp *qp; /* Verbs queue pair. */ uint64_t hash_fields; /* Verbs Hash fields. */ uint32_t tunnel; /* Tunnel type. */ + uint32_t rss_level; /* RSS on tunnel level. */ uint32_t rss_key_len; /* Hash key length in bytes. */ uint8_t rss_key[]; /* Hash key. */ }; @@ -252,12 +253,12 @@ struct mlx5_hrxq *mlx5_hrxq_new(struct rte_eth_dev *dev, const uint8_t *rss_key, uint32_t rss_key_len, uint64_t hash_fields, const uint16_t *queues, uint32_t queues_n, - uint32_t tunnel); + uint32_t tunnel, uint32_t rss_level); struct mlx5_hrxq *mlx5_hrxq_get(struct rte_eth_dev *dev, const uint8_t *rss_key, uint32_t rss_key_len, uint64_t hash_fields, const uint16_t *queues, uint32_t queues_n, - uint32_t tunnel); + uint32_t tunnel, uint32_t rss_level); int mlx5_hrxq_release(struct rte_eth_dev *dev, struct mlx5_hrxq *hxrq); int mlx5_hrxq_ibv_verify(struct rte_eth_dev *dev); uint64_t mlx5_get_rx_port_offloads(void);