net/mlx5: support IPv4 time-to-live filter
[dpdk.git] / drivers / net / mlx5 / mlx5_flow.c
index 1eda836..bf8eff8 100644 (file)
 #pragma GCC diagnostic error "-Wpedantic"
 #endif
 
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_flow.h>
 #include <rte_flow_driver.h>
 #include <rte_malloc.h>
+#include <rte_ip.h>
 
 #include "mlx5.h"
+#include "mlx5_defs.h"
 #include "mlx5_prm.h"
 
 /* Define minimal priority for control plane flows. */
@@ -351,6 +353,7 @@ static const struct mlx5_flow_items mlx5_flow_items[] = {
                                .dst_addr = -1,
                                .type_of_service = -1,
                                .next_proto_id = -1,
+                               .time_to_live = -1,
                        },
                },
                .default_mask = &rte_flow_item_ipv4_mask,
@@ -429,6 +432,7 @@ static const struct mlx5_flow_items mlx5_flow_items[] = {
 /** Structure to pass to the conversion function. */
 struct mlx5_flow_parse {
        uint32_t inner; /**< Set once VXLAN is encountered. */
+       uint32_t allmulti:1; /**< Set once allmulti dst MAC is encountered. */
        uint32_t create:1;
        /**< Whether resources should remain after a validate. */
        uint32_t drop:1; /**< Target is a drop queue. */
@@ -526,7 +530,7 @@ mlx5_flow_item_validate(const struct rte_flow_item *item,
        }
        if (item->mask) {
                unsigned int i;
-               const uint8_t *spec = item->mask;
+               const uint8_t *spec = item->spec;
 
                for (i = 0; i < size; ++i)
                        if ((spec[i] | mask[i]) != mask[i])
@@ -567,9 +571,15 @@ priv_flow_convert_rss_conf(struct priv *priv,
                           struct mlx5_flow_parse *parser,
                           const struct rte_eth_rss_conf *rss_conf)
 {
-       const struct rte_eth_rss_conf *rss =
-               rss_conf ? rss_conf : &priv->rss_conf;
+       const struct rte_eth_rss_conf *rss;
 
+       if (rss_conf) {
+               if (rss_conf->rss_hf & MLX5_RSS_HF_MASK)
+                       return EINVAL;
+               rss = rss_conf;
+       } else {
+               rss = &priv->rss_conf;
+       }
        if (rss->rss_key_len > 40)
                return EINVAL;
        parser->rss_conf.rss_key_len = rss->rss_key_len;
@@ -770,7 +780,7 @@ priv_flow_convert_actions(struct priv *priv,
                } else if (actions->type == RTE_FLOW_ACTION_TYPE_FLAG) {
                        parser->mark = 1;
                } else if (actions->type == RTE_FLOW_ACTION_TYPE_COUNT &&
-                          priv->counter_set_supported) {
+                          priv->config.flow_counter_en) {
                        parser->count = 1;
                } else {
                        goto exit_action_not_supported;
@@ -860,6 +870,10 @@ priv_flow_convert_items_validate(struct priv *priv,
                                parser->queue[n].offset += cur_item->dst_sz;
                }
        }
+       if (parser->drop) {
+               parser->queue[HASH_RXQ_ETH].offset +=
+                       sizeof(struct ibv_flow_spec_action_drop);
+       }
        if (parser->mark) {
                for (i = 0; i != hash_rxq_init_n; ++i)
                        parser->queue[i].offset +=
@@ -1155,6 +1169,17 @@ priv_flow_convert(struct priv *priv,
                        attr->priority +
                        hash_rxq_init[parser->layer].flow_priority;
        }
+       if (parser->allmulti &&
+           parser->layer == HASH_RXQ_ETH) {
+               for (i = 0; i != hash_rxq_init_n; ++i) {
+                       if (!parser->queue[i].ibv_attr)
+                               continue;
+                       if (parser->queue[i].ibv_attr->num_of_specs != 1)
+                               break;
+                       parser->queue[i].ibv_attr->type =
+                                               IBV_FLOW_ATTR_MC_DEFAULT;
+               }
+       }
 exit_free:
        /* Only verification is expected, all resources should be released. */
        if (!parser->create) {
@@ -1262,6 +1287,7 @@ mlx5_flow_create_eth(const struct rte_flow_item *item,
                eth.val.ether_type &= eth.mask.ether_type;
        }
        mlx5_flow_create_copy(parser, &eth, eth_size);
+       parser->allmulti = eth.val.dst_mac[0] & 1;
        return 0;
 }
 
@@ -1386,6 +1412,8 @@ mlx5_flow_create_ipv6(const struct rte_flow_item *item,
                parser->layer = HASH_RXQ_IPV6;
        if (spec) {
                unsigned int i;
+               uint32_t vtc_flow_val;
+               uint32_t vtc_flow_mask;
 
                if (!mask)
                        mask = default_mask;
@@ -1397,7 +1425,20 @@ mlx5_flow_create_ipv6(const struct rte_flow_item *item,
                       RTE_DIM(ipv6.mask.src_ip));
                memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
                       RTE_DIM(ipv6.mask.dst_ip));
-               ipv6.mask.flow_label = mask->hdr.vtc_flow;
+               vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
+               vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
+               ipv6.val.flow_label =
+                       rte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>
+                                        IPV6_HDR_FL_SHIFT);
+               ipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>
+                                        IPV6_HDR_TC_SHIFT;
+               ipv6.val.next_hdr = spec->hdr.proto;
+               ipv6.val.hop_limit = spec->hdr.hop_limits;
+               ipv6.mask.flow_label =
+                       rte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>
+                                        IPV6_HDR_FL_SHIFT);
+               ipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>
+                                         IPV6_HDR_TC_SHIFT;
                ipv6.mask.next_hdr = mask->hdr.proto;
                ipv6.mask.hop_limit = mask->hdr.hop_limits;
                /* Remove unwanted bits from values. */
@@ -1406,6 +1447,7 @@ mlx5_flow_create_ipv6(const struct rte_flow_item *item,
                        ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
                }
                ipv6.val.flow_label &= ipv6.mask.flow_label;
+               ipv6.val.traffic_class &= ipv6.mask.traffic_class;
                ipv6.val.next_hdr &= ipv6.mask.next_hdr;
                ipv6.val.hop_limit &= ipv6.mask.hop_limit;
        }
@@ -2615,10 +2657,12 @@ priv_fdir_filter_convert(struct priv *priv,
                attributes->items[1] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_IPV4,
                        .spec = &attributes->l3,
+                       .mask = &attributes->l3,
                };
                attributes->items[2] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_UDP,
                        .spec = &attributes->l4,
+                       .mask = &attributes->l4,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
@@ -2636,10 +2680,12 @@ priv_fdir_filter_convert(struct priv *priv,
                attributes->items[1] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_IPV4,
                        .spec = &attributes->l3,
+                       .mask = &attributes->l3,
                };
                attributes->items[2] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_TCP,
                        .spec = &attributes->l4,
+                       .mask = &attributes->l4,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
@@ -2653,6 +2699,7 @@ priv_fdir_filter_convert(struct priv *priv,
                attributes->items[1] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_IPV4,
                        .spec = &attributes->l3,
+                       .mask = &attributes->l3,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
@@ -2673,10 +2720,12 @@ priv_fdir_filter_convert(struct priv *priv,
                attributes->items[1] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_IPV6,
                        .spec = &attributes->l3,
+                       .mask = &attributes->l3,
                };
                attributes->items[2] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_UDP,
                        .spec = &attributes->l4,
+                       .mask = &attributes->l4,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
@@ -2697,10 +2746,12 @@ priv_fdir_filter_convert(struct priv *priv,
                attributes->items[1] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_IPV6,
                        .spec = &attributes->l3,
+                       .mask = &attributes->l3,
                };
                attributes->items[2] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_TCP,
                        .spec = &attributes->l4,
+                       .mask = &attributes->l4,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
@@ -2717,6 +2768,7 @@ priv_fdir_filter_convert(struct priv *priv,
                attributes->items[1] = (struct rte_flow_item){
                        .type = RTE_FLOW_ITEM_TYPE_IPV6,
                        .spec = &attributes->l3,
+                       .mask = &attributes->l3,
                };
                break;
        default: