The user must request isolated mode before device configuration, the default RSS ring isn't created in this case.
Signed-off-by: Vasily Philipov <vasi...@mellanox.com> --- The series depends on: http://dpdk.org/ml/archives/dev/2017-April/064327.html http://dpdk.org/dev/patchwork/patch/23741/ --- drivers/net/mlx4/mlx4.c | 431 ++++++++++++++++++++++++++++++------------- drivers/net/mlx4/mlx4.h | 18 +- drivers/net/mlx4/mlx4_flow.c | 39 ++++ drivers/net/mlx4/mlx4_flow.h | 4 + 4 files changed, 364 insertions(+), 128 deletions(-) diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c index ec4419a..fc995c1 100644 --- a/drivers/net/mlx4/mlx4.c +++ b/drivers/net/mlx4/mlx4.c @@ -533,13 +533,96 @@ void priv_unlock(struct priv *priv) static int rxq_setup(struct rte_eth_dev *dev, struct rxq *rxq, uint16_t desc, - unsigned int socket, int inactive, const struct rte_eth_rxconf *conf, - struct rte_mempool *mp); + unsigned int socket, int inactive, + const struct rte_eth_rxconf *conf, + struct rte_mempool *mp, int children_n, + struct rxq *rxq_parent); static void rxq_cleanup(struct rxq *rxq); /** + * Create RSS parent queue. + * + * The new created strucutre will be on the head of priv parents list. + * + * @param priv + * Pointer to private structure. + * @param queues + * queues indices array, if NULL use all Rx queues. + * @param children_n + * The number of entries in queues[]. + * + * @return + * 0 on success, negative errno value on failure. + */ +static int +priv_create_parent(struct priv *priv, + uint16_t queues[], + uint16_t children_n) +{ + int ret; + uint16_t i; + struct rxq *parent; + + parent = rte_zmalloc("parent queue", + sizeof(*parent), + RTE_CACHE_LINE_SIZE); + if (!parent) + return -ENOMEM; + ret = rxq_setup(priv->dev, parent, 0, 0, 0, + NULL, NULL, children_n, NULL); + if (ret) { + rte_free(parent); + return -ret; + } + parent->rss.queues_n = children_n; + if (queues) { + for (i = 0; i < children_n; ++i) + parent->rss.queues[i] = queues[i]; + } else { + /* the default RSS ring case */ + assert(priv->rxqs_n == children_n); + for (i = 0; i < priv->rxqs_n; ++i) + parent->rss.queues[i] = i; + } + LIST_INSERT_HEAD(&priv->parents, parent, next); + return 0; +} + +/** + * Cleanup RX queue parent structure. + * + * @param parent + * RX queue parent structure. + */ +void +rxq_parent_cleanup(struct rxq *parent) +{ + if (parent) { + LIST_REMOVE(parent, next); + rxq_cleanup(parent); + rte_free(parent); + } +} + +/** + * Clean up parent structures from the parents list. + * + * @param priv + * Pointer to private structure. + */ +static void +priv_parents_list_cleanup(struct priv *priv) +{ + while (!LIST_EMPTY(&priv->parents)) { + struct rxq *parent = LIST_FIRST(&priv->parents); + + rxq_parent_cleanup(parent); + } +} + +/** * Ethernet device configuration. * * Prepare the driver for a given number of TX and RX queues. @@ -569,7 +652,7 @@ void priv_unlock(struct priv *priv) } if (rxqs_n == priv->rxqs_n) return 0; - if (!rte_is_power_of_2(rxqs_n)) { + if (!rte_is_power_of_2(rxqs_n) && !priv->isolated) { unsigned n_active; n_active = rte_align32pow2(rxqs_n + 1) >> 1; @@ -588,7 +671,7 @@ void priv_unlock(struct priv *priv) for (i = 0; (i != priv->rxqs_n); ++i) if ((*priv->rxqs)[i] != NULL) return EINVAL; - rxq_cleanup(&priv->rxq_parent); + priv_parents_list_cleanup(priv); priv->rss = 0; priv->rxqs_n = 0; } @@ -613,7 +696,9 @@ void priv_unlock(struct priv *priv) priv->rss = 1; tmp = priv->rxqs_n; priv->rxqs_n = rxqs_n; - ret = rxq_setup(dev, &priv->rxq_parent, 0, 0, 0, NULL, NULL); + if (priv->isolated) + return 0; + ret = priv_create_parent(priv, NULL, priv->rxqs_n); if (!ret) return 0; /* Failure, rollback. */ @@ -2499,11 +2584,12 @@ struct txq_mp2mr_mbuf_check_data { { unsigned int i; + assert(!priv->isolated); assert(mac_index < elemof(priv->mac)); if (!BITFIELD_ISSET(priv->mac_configured, mac_index)) return; if (priv->rss) { - rxq_mac_addr_del(&priv->rxq_parent, mac_index); + rxq_mac_addr_del(LIST_FIRST(&priv->parents), mac_index); goto end; } for (i = 0; (i != priv->dev->data->nb_rx_queues); ++i) @@ -2570,7 +2656,7 @@ struct txq_mp2mr_mbuf_check_data { goto end; } if (priv->rss) { - ret = rxq_mac_addr_add(&priv->rxq_parent, mac_index); + ret = rxq_mac_addr_add(LIST_FIRST(&priv->parents), mac_index); if (ret) return ret; goto end; @@ -2748,12 +2834,13 @@ struct txq_mp2mr_mbuf_check_data { rxq->if_cq, ¶ms)); } - if (rxq->qp != NULL) { + if (rxq->qp != NULL && !rxq->priv->isolated) { rxq_promiscuous_disable(rxq); rxq_allmulticast_disable(rxq); rxq_mac_addrs_del(rxq); - claim_zero(ibv_destroy_qp(rxq->qp)); } + if (rxq->qp != NULL) + claim_zero(ibv_destroy_qp(rxq->qp)); if (rxq->cq != NULL) claim_zero(ibv_destroy_cq(rxq->cq)); if (rxq->rd != NULL) { @@ -3330,15 +3417,18 @@ struct txq_mp2mr_mbuf_check_data { * Completion queue to associate with QP. * @param desc * Number of descriptors in QP (hint only). - * @param parent - * If nonzero, create a parent QP, otherwise a child. + * @param children_n + * If nonzero, a number of children for parent QP and zero for a child. + * @param rxq_parent + * Pointer for a parent in a child case, NULL otherwise. * * @return * QP pointer or NULL in case of error. */ static struct ibv_qp * rxq_setup_qp_rss(struct priv *priv, struct ibv_cq *cq, uint16_t desc, - int parent, struct ibv_exp_res_domain *rd) + int children_n, struct ibv_exp_res_domain *rd, + struct rxq *rxq_parent) { struct ibv_exp_qp_init_attr attr = { /* CQ to be associated with the send queue. */ @@ -3368,7 +3458,7 @@ struct txq_mp2mr_mbuf_check_data { attr.max_inl_recv = priv->inl_recv_size, attr.comp_mask |= IBV_EXP_QP_INIT_ATTR_INL_RECV; #endif - if (parent) { + if (children_n > 0) { attr.qpg.qpg_type = IBV_EXP_QPG_PARENT; /* TSS isn't necessary. */ attr.qpg.parent_attrib.tss_child_count = 0; @@ -3377,7 +3467,7 @@ struct txq_mp2mr_mbuf_check_data { DEBUG("initializing parent RSS queue"); } else { attr.qpg.qpg_type = IBV_EXP_QPG_CHILD_RX; - attr.qpg.qpg_parent = priv->rxq_parent.qp; + attr.qpg.qpg_parent = rxq_parent->qp; DEBUG("initializing child RSS queue"); } return ibv_exp_create_qp(priv->ctx, &attr); @@ -3413,13 +3503,7 @@ struct txq_mp2mr_mbuf_check_data { struct ibv_recv_wr *bad_wr; unsigned int mb_len; int err; - int parent = (rxq == &priv->rxq_parent); - if (parent) { - ERROR("%p: cannot rehash parent queue %p", - (void *)dev, (void *)rxq); - return EINVAL; - } mb_len = rte_pktmbuf_data_room_size(rxq->mp); DEBUG("%p: rehashing queue %p", (void *)dev, (void *)rxq); /* Number of descriptors and mbufs currently allocated. */ @@ -3451,7 +3535,7 @@ struct txq_mp2mr_mbuf_check_data { return 0; } /* Remove attached flows if RSS is disabled (no parent queue). */ - if (!priv->rss) { + if (!priv->rss && !priv->isolated) { rxq_allmulticast_disable(&tmpl); rxq_promiscuous_disable(&tmpl); rxq_mac_addrs_del(&tmpl); @@ -3464,6 +3548,8 @@ struct txq_mp2mr_mbuf_check_data { } /* From now on, any failure will render the queue unusable. * Reinitialize QP. */ + if (!tmpl.qp) + goto skip_init; mod = (struct ibv_exp_qp_attr){ .qp_state = IBV_QPS_RESET }; err = ibv_exp_modify_qp(tmpl.qp, &mod, IBV_EXP_QP_STATE); if (err) { @@ -3471,12 +3557,6 @@ struct txq_mp2mr_mbuf_check_data { assert(err > 0); return err; } - err = ibv_resize_cq(tmpl.cq, desc_n); - if (err) { - ERROR("%p: cannot resize CQ: %s", (void *)dev, strerror(err)); - assert(err > 0); - return err; - } mod = (struct ibv_exp_qp_attr){ /* Move the QP to this state. */ .qp_state = IBV_QPS_INIT, @@ -3485,9 +3565,6 @@ struct txq_mp2mr_mbuf_check_data { }; err = ibv_exp_modify_qp(tmpl.qp, &mod, (IBV_EXP_QP_STATE | -#ifdef RSS_SUPPORT - (parent ? IBV_EXP_QP_GROUP_RSS : 0) | -#endif /* RSS_SUPPORT */ IBV_EXP_QP_PORT)); if (err) { ERROR("%p: QP state to IBV_QPS_INIT failed: %s", @@ -3495,8 +3572,15 @@ struct txq_mp2mr_mbuf_check_data { assert(err > 0); return err; }; +skip_init: + err = ibv_resize_cq(tmpl.cq, desc_n); + if (err) { + ERROR("%p: cannot resize CQ: %s", (void *)dev, strerror(err)); + assert(err > 0); + return err; + } /* Reconfigure flows. Do not care for errors. */ - if (!priv->rss) { + if (!priv->rss && !priv->isolated) { rxq_mac_addrs_add(&tmpl); if (priv->promisc) rxq_promiscuous_enable(&tmpl); @@ -3562,6 +3646,8 @@ struct txq_mp2mr_mbuf_check_data { rxq->elts_n = 0; rte_free(rxq->elts.sp); rxq->elts.sp = NULL; + if (!tmpl.qp) + goto skip_rtr; /* Post WRs. */ err = ibv_post_recv(tmpl.qp, (tmpl.sp ? @@ -3589,6 +3675,116 @@ struct txq_mp2mr_mbuf_check_data { } /** + * Create verbs QP resources associated with a rxq. + * + * @param rxq + * Pointer to RX queue structure. + * @param desc + * Number of descriptors to configure in queue. + * @param inactive + * If true, the queue is disabled because its index is higher or + * equal to the real number of queues, which must be a power of 2. + * @param children_n + * The number of children in a parent case, zero for a child. + * @param rxq_parent + * The pointer to a parent RX structure for a child in RSS case, + * NULL for parent. + * + * @return + * 0 on success, errno value on failure. + */ +int +rxq_create_qp(struct rxq *rxq, + uint16_t desc, + int inactive, + int children_n, + struct rxq *rxq_parent) +{ + int ret; + struct ibv_exp_qp_attr mod; + struct ibv_exp_query_intf_params params; + enum ibv_exp_query_intf_status status; + struct ibv_recv_wr *bad_wr; + int parent = (children_n > 0); + struct priv *priv = rxq->priv; + +#ifdef RSS_SUPPORT + if (priv->rss && !inactive && (rxq_parent || parent)) + rxq->qp = rxq_setup_qp_rss(priv, rxq->cq, desc, + children_n, rxq->rd, + rxq_parent); + else +#endif /* RSS_SUPPORT */ + rxq->qp = rxq_setup_qp(priv, rxq->cq, desc, rxq->rd); + if (rxq->qp == NULL) { + ret = (errno ? errno : EINVAL); + ERROR("QP creation failure: %s", + strerror(ret)); + return ret; + } + mod = (struct ibv_exp_qp_attr){ + /* Move the QP to this state. */ + .qp_state = IBV_QPS_INIT, + /* Primary port number. */ + .port_num = priv->port + }; + ret = ibv_exp_modify_qp(rxq->qp, &mod, + (IBV_EXP_QP_STATE | +#ifdef RSS_SUPPORT + (parent ? IBV_EXP_QP_GROUP_RSS : 0) | +#endif /* RSS_SUPPORT */ + IBV_EXP_QP_PORT)); + if (ret) { + ERROR("QP state to IBV_QPS_INIT failed: %s", + strerror(ret)); + return ret; + } + if (!priv->isolated && (parent || !priv->rss)) { + /* Configure MAC and broadcast addresses. */ + ret = rxq_mac_addrs_add(rxq); + if (ret) { + ERROR("QP flow attachment failed: %s", + strerror(ret)); + return ret; + } + } + if (!parent) { + ret = ibv_post_recv(rxq->qp, + (rxq->sp ? + &(*rxq->elts.sp)[0].wr : + &(*rxq->elts.no_sp)[0].wr), + &bad_wr); + if (ret) { + ERROR("ibv_post_recv() failed for WR %p: %s", + (void *)bad_wr, + strerror(ret)); + return ret; + } + } + mod = (struct ibv_exp_qp_attr){ + .qp_state = IBV_QPS_RTR + }; + ret = ibv_exp_modify_qp(rxq->qp, &mod, IBV_EXP_QP_STATE); + if (ret) { + ERROR("QP state to IBV_QPS_RTR failed: %s", + strerror(ret)); + return ret; + } + params = (struct ibv_exp_query_intf_params){ + .intf_scope = IBV_EXP_INTF_GLOBAL, + .intf = IBV_EXP_INTF_QP_BURST, + .obj = rxq->qp, + }; + rxq->if_qp = ibv_exp_query_intf(priv->ctx, ¶ms, &status); + if (rxq->if_qp == NULL) { + ERROR("QP interface family query failed with status %d", + status); + return errno; + } + return 0; +} + +/** * Configure a RX queue. * * @param dev @@ -3606,14 +3802,21 @@ struct txq_mp2mr_mbuf_check_data { * Thresholds parameters. * @param mp * Memory pool for buffer allocations. + * @param children_n + * The number of children in a parent case, zero for a child. + * @param rxq_parent + * The pointer to a parent RX structure (or NULL) in a child case, + * NULL for parent. * * @return * 0 on success, errno value on failure. */ static int rxq_setup(struct rte_eth_dev *dev, struct rxq *rxq, uint16_t desc, - unsigned int socket, int inactive, const struct rte_eth_rxconf *conf, - struct rte_mempool *mp) + unsigned int socket, int inactive, + const struct rte_eth_rxconf *conf, + struct rte_mempool *mp, int children_n, + struct rxq *rxq_parent) { struct priv *priv = dev->data->dev_private; struct rxq tmpl = { @@ -3621,17 +3824,15 @@ struct txq_mp2mr_mbuf_check_data { .mp = mp, .socket = socket }; - struct ibv_exp_qp_attr mod; union { struct ibv_exp_query_intf_params params; struct ibv_exp_cq_init_attr cq; struct ibv_exp_res_domain_init_attr rd; } attr; enum ibv_exp_query_intf_status status; - struct ibv_recv_wr *bad_wr; unsigned int mb_len; int ret = 0; - int parent = (rxq == &priv->rxq_parent); + int parent = (children_n > 0); (void)conf; /* Thresholds configuration (ignored). */ /* @@ -3711,45 +3912,6 @@ struct txq_mp2mr_mbuf_check_data { priv->device_attr.max_qp_wr); DEBUG("priv->device_attr.max_sge is %d", priv->device_attr.max_sge); -#ifdef RSS_SUPPORT - if (priv->rss && !inactive) - tmpl.qp = rxq_setup_qp_rss(priv, tmpl.cq, desc, parent, - tmpl.rd); - else -#endif /* RSS_SUPPORT */ - tmpl.qp = rxq_setup_qp(priv, tmpl.cq, desc, tmpl.rd); - if (tmpl.qp == NULL) { - ret = (errno ? errno : EINVAL); - ERROR("%p: QP creation failure: %s", - (void *)dev, strerror(ret)); - goto error; - } - mod = (struct ibv_exp_qp_attr){ - /* Move the QP to this state. */ - .qp_state = IBV_QPS_INIT, - /* Primary port number. */ - .port_num = priv->port - }; - ret = ibv_exp_modify_qp(tmpl.qp, &mod, - (IBV_EXP_QP_STATE | -#ifdef RSS_SUPPORT - (parent ? IBV_EXP_QP_GROUP_RSS : 0) | -#endif /* RSS_SUPPORT */ - IBV_EXP_QP_PORT)); - if (ret) { - ERROR("%p: QP state to IBV_QPS_INIT failed: %s", - (void *)dev, strerror(ret)); - goto error; - } - if ((parent) || (!priv->rss)) { - /* Configure MAC and broadcast addresses. */ - ret = rxq_mac_addrs_add(&tmpl); - if (ret) { - ERROR("%p: QP flow attachment failed: %s", - (void *)dev, strerror(ret)); - goto error; - } - } /* Allocate descriptors for RX queues, except for the RSS parent. */ if (parent) goto skip_alloc; @@ -3760,29 +3922,14 @@ struct txq_mp2mr_mbuf_check_data { if (ret) { ERROR("%p: RXQ allocation failed: %s", (void *)dev, strerror(ret)); - goto error; - } - ret = ibv_post_recv(tmpl.qp, - (tmpl.sp ? - &(*tmpl.elts.sp)[0].wr : - &(*tmpl.elts.no_sp)[0].wr), - &bad_wr); - if (ret) { - ERROR("%p: ibv_post_recv() failed for WR %p: %s", - (void *)dev, - (void *)bad_wr, - strerror(ret)); - goto error; + return ret; } skip_alloc: - mod = (struct ibv_exp_qp_attr){ - .qp_state = IBV_QPS_RTR - }; - ret = ibv_exp_modify_qp(tmpl.qp, &mod, IBV_EXP_QP_STATE); - if (ret) { - ERROR("%p: QP state to IBV_QPS_RTR failed: %s", - (void *)dev, strerror(ret)); - goto error; + if (parent || rxq_parent || !priv->rss) { + ret = rxq_create_qp(&tmpl, desc, inactive, + children_n, rxq_parent); + if (ret) + goto error; } /* Save port ID. */ tmpl.port_id = dev->data->port_id; @@ -3794,21 +3941,11 @@ struct txq_mp2mr_mbuf_check_data { }; tmpl.if_cq = ibv_exp_query_intf(priv->ctx, &attr.params, &status); if (tmpl.if_cq == NULL) { + ret = EINVAL; ERROR("%p: CQ interface family query failed with status %d", (void *)dev, status); goto error; } - attr.params = (struct ibv_exp_query_intf_params){ - .intf_scope = IBV_EXP_INTF_GLOBAL, - .intf = IBV_EXP_INTF_QP_BURST, - .obj = tmpl.qp, - }; - tmpl.if_qp = ibv_exp_query_intf(priv->ctx, &attr.params, &status); - if (tmpl.if_qp == NULL) { - ERROR("%p: QP interface family query failed with status %d", - (void *)dev, status); - goto error; - } /* Clean up rxq in case we're reinitializing it. */ DEBUG("%p: cleaning-up old rxq just in case", (void *)rxq); rxq_cleanup(rxq); @@ -3846,6 +3983,7 @@ struct txq_mp2mr_mbuf_check_data { unsigned int socket, const struct rte_eth_rxconf *conf, struct rte_mempool *mp) { + struct rxq *parent; struct priv *priv = dev->data->dev_private; struct rxq *rxq = (*priv->rxqs)[idx]; int inactive = 0; @@ -3880,9 +4018,16 @@ struct txq_mp2mr_mbuf_check_data { return -ENOMEM; } } - if (idx >= rte_align32pow2(priv->rxqs_n + 1) >> 1) - inactive = 1; - ret = rxq_setup(dev, rxq, desc, socket, inactive, conf, mp); + if (priv->rss && !priv->isolated) { + /* The list consists of the single default one. */ + parent = LIST_FIRST(&priv->parents); + if (idx >= rte_align32pow2(priv->rxqs_n + 1) >> 1) + inactive = 1; + } else { + parent = NULL; + } + ret = rxq_setup(dev, rxq, desc, socket, + inactive, conf, mp, 0, parent); if (ret) rte_free(rxq); else { @@ -3919,7 +4064,6 @@ struct txq_mp2mr_mbuf_check_data { return; priv = rxq->priv; priv_lock(priv); - assert(rxq != &priv->rxq_parent); for (i = 0; (i != priv->rxqs_n); ++i) if ((*priv->rxqs)[i] == rxq) { DEBUG("%p: removing RX queue %p from list", @@ -3970,8 +4114,11 @@ struct txq_mp2mr_mbuf_check_data { } DEBUG("%p: attaching configured flows to all RX queues", (void *)dev); priv->started = 1; - if (priv->rss) { - rxq = &priv->rxq_parent; + if (priv->isolated) { + rxq = NULL; + r = 1; + } else if (priv->rss) { + rxq = LIST_FIRST(&priv->parents); r = 1; } else { rxq = (*priv->rxqs)[0]; @@ -4053,8 +4200,11 @@ struct txq_mp2mr_mbuf_check_data { } DEBUG("%p: detaching flows from all RX queues", (void *)dev); priv->started = 0; - if (priv->rss) { - rxq = &priv->rxq_parent; + if (priv->isolated) { + rxq = NULL; + r = 1; + } else if (priv->rss) { + rxq = LIST_FIRST(&priv->parents); r = 1; } else { rxq = (*priv->rxqs)[0]; @@ -4188,7 +4338,7 @@ struct txq_mp2mr_mbuf_check_data { priv->txqs = NULL; } if (priv->rss) - rxq_cleanup(&priv->rxq_parent); + priv_parents_list_cleanup(priv); if (priv->pd != NULL) { assert(priv->ctx != NULL); claim_zero(ibv_dealloc_pd(priv->pd)); @@ -4481,6 +4631,8 @@ struct txq_mp2mr_mbuf_check_data { if (mlx4_is_secondary()) return; priv_lock(priv); + if (priv->isolated) + goto end; DEBUG("%p: removing MAC address from index %" PRIu32, (void *)dev, index); /* Last array entry is reserved for broadcast. */ @@ -4514,6 +4666,12 @@ struct txq_mp2mr_mbuf_check_data { return -ENOTSUP; (void)vmdq; priv_lock(priv); + if (priv->isolated) { + DEBUG("%p: cannot add MAC address, " + "device is in isolated mode", (void *)dev); + re = EPERM; + goto end; + } DEBUG("%p: adding MAC address at index %" PRIu32, (void *)dev, index); /* Last array entry is reserved for broadcast. */ @@ -4561,6 +4719,12 @@ struct txq_mp2mr_mbuf_check_data { if (mlx4_is_secondary()) return; priv_lock(priv); + if (priv->isolated) { + DEBUG("%p: cannot enable promiscuous, " + "device is in isolated mode", (void *)dev); + priv_unlock(priv); + return; + } if (priv->promisc) { priv_unlock(priv); return; @@ -4569,7 +4733,7 @@ struct txq_mp2mr_mbuf_check_data { if (!priv->started) goto end; if (priv->rss) { - ret = rxq_promiscuous_enable(&priv->rxq_parent); + ret = rxq_promiscuous_enable(LIST_FIRST(&priv->parents)); if (ret) { priv_unlock(priv); return; @@ -4609,12 +4773,12 @@ struct txq_mp2mr_mbuf_check_data { if (mlx4_is_secondary()) return; priv_lock(priv); - if (!priv->promisc) { + if (!priv->promisc || priv->isolated) { priv_unlock(priv); return; } if (priv->rss) { - rxq_promiscuous_disable(&priv->rxq_parent); + rxq_promiscuous_disable(LIST_FIRST(&priv->parents)); goto end; } for (i = 0; (i != priv->rxqs_n); ++i) @@ -4641,6 +4805,12 @@ struct txq_mp2mr_mbuf_check_data { if (mlx4_is_secondary()) return; priv_lock(priv); + if (priv->isolated) { + DEBUG("%p: cannot enable allmulticast, " + "device is in isolated mode", (void *)dev); + priv_unlock(priv); + return; + } if (priv->allmulti) { priv_unlock(priv); return; @@ -4649,7 +4819,7 @@ struct txq_mp2mr_mbuf_check_data { if (!priv->started) goto end; if (priv->rss) { - ret = rxq_allmulticast_enable(&priv->rxq_parent); + ret = rxq_allmulticast_enable(LIST_FIRST(&priv->parents)); if (ret) { priv_unlock(priv); return; @@ -4693,8 +4863,8 @@ struct txq_mp2mr_mbuf_check_data { priv_unlock(priv); return; } - if (priv->rss) { - rxq_allmulticast_disable(&priv->rxq_parent); + if (priv->rss && !priv->isolated) { + rxq_allmulticast_disable(LIST_FIRST(&priv->parents)); goto end; } for (i = 0; (i != priv->rxqs_n); ++i) @@ -4832,7 +5002,7 @@ struct txq_mp2mr_mbuf_check_data { } /* Reenable non-RSS queue attributes. No need to check * for errors at this stage. */ - if (!priv->rss) { + if (!priv->rss && !priv->isolated) { rxq_mac_addrs_add(rxq); if (priv->promisc) rxq_promiscuous_enable(rxq); @@ -5003,7 +5173,7 @@ struct txq_mp2mr_mbuf_check_data { * Rehashing flows in all RX queues is necessary. */ if (priv->rss) - rxq_mac_addrs_del(&priv->rxq_parent); + rxq_mac_addrs_del(LIST_FIRST(&priv->parents)); else for (i = 0; (i != priv->rxqs_n); ++i) if ((*priv->rxqs)[i] != NULL) @@ -5011,7 +5181,7 @@ struct txq_mp2mr_mbuf_check_data { priv->vlan_filter[j].enabled = 1; if (priv->started) { if (priv->rss) - rxq_mac_addrs_add(&priv->rxq_parent); + rxq_mac_addrs_add(LIST_FIRST(&priv->parents)); else for (i = 0; (i != priv->rxqs_n); ++i) { if ((*priv->rxqs)[i] == NULL) @@ -5025,7 +5195,7 @@ struct txq_mp2mr_mbuf_check_data { * Rehashing flows in all RX queues is necessary. */ if (priv->rss) - rxq_mac_addrs_del(&priv->rxq_parent); + rxq_mac_addrs_del(LIST_FIRST(&priv->parents)); else for (i = 0; (i != priv->rxqs_n); ++i) if ((*priv->rxqs)[i] != NULL) @@ -5033,7 +5203,7 @@ struct txq_mp2mr_mbuf_check_data { priv->vlan_filter[j].enabled = 0; if (priv->started) { if (priv->rss) - rxq_mac_addrs_add(&priv->rxq_parent); + rxq_mac_addrs_add(LIST_FIRST(&priv->parents)); else for (i = 0; (i != priv->rxqs_n); ++i) { if ((*priv->rxqs)[i] == NULL) @@ -5067,6 +5237,12 @@ struct txq_mp2mr_mbuf_check_data { if (mlx4_is_secondary()) return -E_RTE_SECONDARY; priv_lock(priv); + if (priv->isolated) { + DEBUG("%p: cannot set vlan filter, " + "device is in isolated mode", (void *)dev); + priv_unlock(priv); + return -EINVAL; + } ret = vlan_filter_set(dev, vlan_id, on); priv_unlock(priv); assert(ret >= 0); @@ -5079,6 +5255,7 @@ struct txq_mp2mr_mbuf_check_data { .destroy = mlx4_flow_destroy, .flush = mlx4_flow_flush, .query = NULL, + .isolate = mlx4_flow_isolate, }; /** diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h index 9a3bae9..b5fe1b4 100644 --- a/drivers/net/mlx4/mlx4.h +++ b/drivers/net/mlx4/mlx4.h @@ -219,6 +219,7 @@ struct rxq_elt { /* RX queue descriptor. */ struct rxq { + LIST_ENTRY(rxq) next; /* Used by parent queue only */ struct priv *priv; /* Back pointer to private data. */ struct rte_mempool *mp; /* Memory Pool for allocations. */ struct ibv_mr *mr; /* Memory Region (for mp). */ @@ -246,6 +247,10 @@ struct rxq { struct mlx4_rxq_stats stats; /* RX queue counters. */ unsigned int socket; /* CPU socket ID for allocations. */ struct ibv_exp_res_domain *rd; /* Resource Domain. */ + struct { + uint16_t queues_n; + uint16_t queues[RTE_MAX_QUEUES_PER_PORT]; + } rss; }; /* TX element. */ @@ -334,12 +339,12 @@ struct priv { unsigned int rss:1; /* RSS is enabled. */ unsigned int vf:1; /* This is a VF device. */ unsigned int pending_alarm:1; /* An alarm is pending. */ + unsigned int isolated:1; /* Toggle isolated mode. */ #ifdef INLINE_RECV unsigned int inl_recv_size; /* Inline recv size */ #endif unsigned int max_rss_tbl_sz; /* Maximum number of RSS queues. */ /* RX/TX queues. */ - struct rxq rxq_parent; /* Parent queue when RSS is enabled. */ unsigned int rxqs_n; /* RX queues array size. */ unsigned int txqs_n; /* TX queues array size. */ struct rxq *(*rxqs)[]; /* RX queues. */ @@ -348,10 +353,21 @@ struct priv { struct rte_flow_drop *flow_drop_queue; /* Flow drop queue. */ LIST_HEAD(mlx4_flows, rte_flow) flows; struct rte_intr_conf intr_conf; /* Active interrupt configuration. */ + LIST_HEAD(mlx4_parents, rxq) parents; rte_spinlock_t lock; /* Lock for control functions. */ }; void priv_lock(struct priv *priv); void priv_unlock(struct priv *priv); +int +rxq_create_qp(struct rxq *rxq, + uint16_t desc, + int inactive, + int children_n, + struct rxq *rxq_parent); + +void +rxq_parent_cleanup(struct rxq *parent); + #endif /* RTE_PMD_MLX4_H_ */ diff --git a/drivers/net/mlx4/mlx4_flow.c b/drivers/net/mlx4/mlx4_flow.c index edfac03..3fd2716 100644 --- a/drivers/net/mlx4/mlx4_flow.c +++ b/drivers/net/mlx4/mlx4_flow.c @@ -957,6 +957,45 @@ struct rte_flow * } /** + * @see rte_flow_isolate() + * + * Must be done before calling dev_configure(). + * + * RSS action is possible only if this mode was requested. + * + * @param dev + * Pointer to the ethernet device structure. + * @param enable + * Nonzero to enter isolated mode, attempt to leave it otherwise. + * @param[out] error + * Perform verbose error reporting if not NULL. PMDs initialize this + * structure in case of error only. + * + * @return + * 0 on success, a negative value on error. + */ +int +mlx4_flow_isolate(struct rte_eth_dev *dev, + int enable, + struct rte_flow_error *error) +{ + struct priv *priv = dev->data->dev_private; + + priv_lock(priv); + if (priv->rxqs) { + rte_flow_error_set(error, ENOTSUP, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + NULL, "isolated mode must be set" + " before configuring the device"); + priv_unlock(priv); + return -rte_errno; + } + priv->isolated = !!enable; + priv_unlock(priv); + return 0; +} + +/** * Destroy a flow. * * @param priv diff --git a/drivers/net/mlx4/mlx4_flow.h b/drivers/net/mlx4/mlx4_flow.h index 12a293e..6afc57f 100644 --- a/drivers/net/mlx4/mlx4_flow.h +++ b/drivers/net/mlx4/mlx4_flow.h @@ -83,6 +83,10 @@ struct rte_flow * int mlx4_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error); +int +mlx4_flow_isolate(struct rte_eth_dev *dev, + int enable, + struct rte_flow_error *error); /** Structure to pass to the conversion function. */ struct mlx4_flow { -- 1.8.3.1
