From: Chenxu Di Date: Wed, 15 Apr 2020 08:46:09 +0000 (+0000) Subject: net/i40e: support hash configuration in RSS flow X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=feaae285b342;p=dpdk.git net/i40e: support hash configuration in RSS flow This patch supports: - Symmetric hash configuration - Hash input set configuration Signed-off-by: Chenxu Di Acked-by: Beilei Xing --- diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst index d6e578edaf..f72a54ba66 100644 --- a/doc/guides/nics/i40e.rst +++ b/doc/guides/nics/i40e.rst @@ -44,6 +44,7 @@ Features of the i40e PMD are: - Queue region configuration - Virtual Function Port Representors - Malicious Device Drive event catch and notify +- Generic flow API Prerequisites ------------- @@ -569,6 +570,42 @@ details please refer to :doc:`../testpmd_app_ug/index`. testpmd> set port (port_id) queue-region flush (on|off) testpmd> show port (port_id) queue-region +Generic flow API +~~~~~~~~~~~~~~~~~~~ + +- ``RSS Flow`` + + RSS Flow supports to set hash input set, hash function, enable hash + and configure queue region. + For example: + Configure queue region as queue 0, 1, 2, 3. + + .. code-block:: console + + testpmd> flow create 0 ingress pattern end actions rss types end \ + queues 0 1 2 3 end / end + + Enable hash and set input set for ipv4-tcp. + + .. code-block:: console + + testpmd> flow create 0 ingress pattern eth / ipv4 / tcp / end \ + actions rss types ipv4-tcp l3-src-only end queues end / end + + Set symmetric hash enable for flow type ipv4-tcp. + + .. code-block:: console + + testpmd> flow create 0 ingress pattern eth / ipv4 / tcp / end \ + actions rss types ipv4-tcp end queues end func symmetric_toeplitz / end + + Set hash function as simple xor. + + .. code-block:: console + + testpmd> flow create 0 ingress pattern end actions rss types end \ + queues end func simple_xor / end + Limitations or Known issues --------------------------- diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst index c4e84d15d4..2cc583610b 100644 --- a/doc/guides/rel_notes/release_20_05.rst +++ b/doc/guides/rel_notes/release_20_05.rst @@ -96,6 +96,8 @@ New Features Updated i40e PMD with new features and improvements, including: * Enable MAC address as FDIR input set for ipv4-other, ipv4-udp and ipv4-tcp. + * Added support for RSS using L3/L4 source/destination only. + * Added support for setting hash function in rte flow. * **Updated the Intel iavf driver.** diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 540a4d7dda..749d85f544 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -1657,6 +1657,9 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) /* initialize mirror rule list */ TAILQ_INIT(&pf->mirror_list); + /* initialize RSS rule list */ + TAILQ_INIT(&pf->rss_config_list); + /* initialize Traffic Manager configuration */ i40e_tm_conf_init(dev); @@ -1676,7 +1679,7 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) /* initialize queue region configuration */ i40e_init_queue_region_conf(dev); - /* initialize rss configuration from rte_flow */ + /* initialize RSS configuration from rte_flow */ memset(&pf->rss_info, 0, sizeof(struct i40e_rte_flow_rss_conf)); @@ -12329,14 +12332,16 @@ i40e_tunnel_filter_restore(struct i40e_pf *pf) } } -/* Restore rss filter */ +/* Restore RSS filter */ static inline void i40e_rss_filter_restore(struct i40e_pf *pf) { - struct i40e_rte_flow_rss_conf *conf = - &pf->rss_info; - if (conf->conf.queue_num) - i40e_config_rss_filter(pf, conf, TRUE); + struct i40e_rss_conf_list *list = &pf->rss_config_list; + struct i40e_rss_filter *filter; + + TAILQ_FOREACH(filter, list, next) { + i40e_config_rss_filter(pf, &filter->rss_filter_info, TRUE); + } } static void @@ -12946,45 +12951,300 @@ i40e_rss_conf_init(struct i40e_rte_flow_rss_conf *out, return 0; } -int -i40e_action_rss_same(const struct rte_flow_action_rss *comp, - const struct rte_flow_action_rss *with) +/* Write HENA register to enable hash */ +static int +i40e_rss_hash_set(struct i40e_pf *pf, struct i40e_rte_flow_rss_conf *rss_conf) { - return (comp->func == with->func && - comp->level == with->level && - comp->types == with->types && - comp->key_len == with->key_len && - comp->queue_num == with->queue_num && - !memcmp(comp->key, with->key, with->key_len) && - !memcmp(comp->queue, with->queue, - sizeof(*with->queue) * with->queue_num)); + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + uint8_t *key = (void *)(uintptr_t)rss_conf->conf.key; + uint64_t hena; + int ret; + + ret = i40e_set_rss_key(pf->main_vsi, key, + rss_conf->conf.key_len); + if (ret) + return ret; + + hena = i40e_config_hena(pf->adapter, rss_conf->conf.types); + i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (uint32_t)hena); + i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32)); + I40E_WRITE_FLUSH(hw); + + return 0; } -int -i40e_config_rss_filter(struct i40e_pf *pf, - struct i40e_rte_flow_rss_conf *conf, bool add) +/* Configure hash input set */ +static int +i40e_rss_conf_hash_inset(struct i40e_pf *pf, uint64_t types) { struct i40e_hw *hw = I40E_PF_TO_HW(pf); - uint32_t i, lut = 0; - uint16_t j, num; - struct rte_eth_rss_conf rss_conf = { - .rss_key = conf->conf.key_len ? - (void *)(uintptr_t)conf->conf.key : NULL, - .rss_key_len = conf->conf.key_len, - .rss_hf = conf->conf.types, + struct rte_eth_input_set_conf conf; + uint64_t mask0; + int ret = 0; + uint32_t j; + int i; + static const struct { + uint64_t type; + enum rte_eth_input_set_field field; + } inset_match_table[] = { + {ETH_RSS_FRAG_IPV4 | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP4}, + {ETH_RSS_FRAG_IPV4 | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP4}, + {ETH_RSS_FRAG_IPV4 | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + {ETH_RSS_FRAG_IPV4 | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + + {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP4}, + {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP4}, + {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT}, + {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_L4_TCP_DST_PORT}, + + {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP4}, + {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP4}, + {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT}, + {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_L4_UDP_DST_PORT}, + + {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP4}, + {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP4}, + {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT}, + {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT}, + + {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP4}, + {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP4}, + {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + + {ETH_RSS_FRAG_IPV6 | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP6}, + {ETH_RSS_FRAG_IPV6 | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP6}, + {ETH_RSS_FRAG_IPV6 | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + {ETH_RSS_FRAG_IPV6 | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + + {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP6}, + {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP6}, + {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT}, + {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_L4_TCP_DST_PORT}, + + {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP6}, + {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP6}, + {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT}, + {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_L4_UDP_DST_PORT}, + + {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP6}, + {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP6}, + {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT}, + {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT}, + + {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L3_SRC_ONLY, + RTE_ETH_INPUT_SET_L3_SRC_IP6}, + {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L3_DST_ONLY, + RTE_ETH_INPUT_SET_L3_DST_IP6}, + {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L4_SRC_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, + {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L4_DST_ONLY, + RTE_ETH_INPUT_SET_UNKNOWN}, }; - struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; - if (!add) { - if (i40e_action_rss_same(&rss_info->conf, &conf->conf)) { - i40e_pf_disable_rss(pf); - memset(rss_info, 0, - sizeof(struct i40e_rte_flow_rss_conf)); + mask0 = types & pf->adapter->flow_types_mask; + conf.op = RTE_ETH_INPUT_SET_SELECT; + conf.inset_size = 0; + for (i = RTE_ETH_FLOW_UNKNOWN + 1; i < RTE_ETH_FLOW_MAX; i++) { + if (mask0 & (1ULL << i)) { + conf.flow_type = i; + break; + } + } + + for (j = 0; j < RTE_DIM(inset_match_table); j++) { + if ((types & inset_match_table[j].type) == + inset_match_table[j].type) { + if (inset_match_table[j].field == + RTE_ETH_INPUT_SET_UNKNOWN) + return -EINVAL; + + conf.field[conf.inset_size] = + inset_match_table[j].field; + conf.inset_size++; + } + } + + if (conf.inset_size) { + ret = i40e_hash_filter_inset_select(hw, &conf); + if (ret) + return ret; + } + + return ret; +} + +/* Look up the conflicted rule then mark it as invalid */ +static void +i40e_rss_mark_invalid_rule(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf) +{ + struct i40e_rss_filter *rss_item; + uint64_t rss_inset; + + /* Clear input set bits before comparing the pctype */ + rss_inset = ~(ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY | + ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY); + + /* Look up the conflicted rule then mark it as invalid */ + TAILQ_FOREACH(rss_item, &pf->rss_config_list, next) { + if (!rss_item->rss_filter_info.valid) + continue; + + if (conf->conf.queue_num && + rss_item->rss_filter_info.conf.queue_num) + rss_item->rss_filter_info.valid = false; + + if (conf->conf.types && + (rss_item->rss_filter_info.conf.types & + rss_inset) == + (conf->conf.types & rss_inset)) + rss_item->rss_filter_info.valid = false; + + if (conf->conf.func == + RTE_ETH_HASH_FUNCTION_SIMPLE_XOR && + rss_item->rss_filter_info.conf.func == + RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) + rss_item->rss_filter_info.valid = false; + } +} + +/* Configure RSS hash function */ +static int +i40e_rss_config_hash_function(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf) +{ + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + uint32_t reg, i; + uint64_t mask0; + uint16_t j; + + if (conf->conf.func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) { + reg = i40e_read_rx_ctl(hw, I40E_GLQF_CTL); + if (!(reg & I40E_GLQF_CTL_HTOEP_MASK)) { + PMD_DRV_LOG(DEBUG, "Hash function already set to Simple XOR"); + I40E_WRITE_FLUSH(hw); + i40e_rss_mark_invalid_rule(pf, conf); + return 0; } + reg &= ~I40E_GLQF_CTL_HTOEP_MASK; + + i40e_write_global_rx_ctl(hw, I40E_GLQF_CTL, reg); + I40E_WRITE_FLUSH(hw); + i40e_rss_mark_invalid_rule(pf, conf); + } else if (conf->conf.func == + RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) { + mask0 = conf->conf.types & pf->adapter->flow_types_mask; + + i40e_set_symmetric_hash_enable_per_port(hw, 1); + for (i = RTE_ETH_FLOW_UNKNOWN + 1; i < UINT64_BIT; i++) { + if (mask0 & (1UL << i)) + break; + } + + for (j = I40E_FILTER_PCTYPE_INVALID + 1; + j < I40E_FILTER_PCTYPE_MAX; j++) { + if (pf->adapter->pctypes_tbl[i] & (1ULL << j)) + i40e_write_global_rx_ctl(hw, + I40E_GLQF_HSYM(j), + I40E_GLQF_HSYM_SYMH_ENA_MASK); + } + } + + return 0; +} + +/* Enable RSS according to the configuration */ +static int +i40e_rss_enable_hash(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf) +{ + struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; + struct i40e_rte_flow_rss_conf rss_conf; + + if (!(conf->conf.types & pf->adapter->flow_types_mask)) + return -ENOTSUP; + + memset(&rss_conf, 0, sizeof(rss_conf)); + rte_memcpy(&rss_conf, conf, sizeof(rss_conf)); + + /* Configure hash input set */ + if (i40e_rss_conf_hash_inset(pf, conf->conf.types)) return -EINVAL; + + if (rss_conf.conf.key == NULL || rss_conf.conf.key_len < + (I40E_PFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) { + /* Random default keys */ + static uint32_t rss_key_default[] = {0x6b793944, + 0x23504cb5, 0x5bea75b6, 0x309f4f12, 0x3dc0a2b8, + 0x024ddcdf, 0x339b8ca0, 0x4c4af64a, 0x34fac605, + 0x55d85839, 0x3a58997d, 0x2ec938e1, 0x66031581}; + + rss_conf.conf.key = (uint8_t *)rss_key_default; + rss_conf.conf.key_len = (I40E_PFQF_HKEY_MAX_INDEX + 1) * + sizeof(uint32_t); + PMD_DRV_LOG(INFO, + "No valid RSS key config for i40e, using default\n"); } + rss_conf.conf.types |= rss_info->conf.types; + i40e_rss_hash_set(pf, &rss_conf); + + if (conf->conf.func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) + i40e_rss_config_hash_function(pf, conf); + + i40e_rss_mark_invalid_rule(pf, conf); + + return 0; +} + +/* Configure RSS queue region */ +static int +i40e_rss_config_queue_region(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf) +{ + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + uint32_t lut = 0; + uint16_t j, num; + uint32_t i; + /* If both VMDQ and RSS enabled, not all of PF queues are configured. * It's necessary to calculate the actual PF queues that are configured. */ @@ -13014,29 +13274,195 @@ i40e_config_rss_filter(struct i40e_pf *pf, I40E_WRITE_REG(hw, I40E_PFQF_HLUT(i >> 2), lut); } - if ((rss_conf.rss_hf & pf->adapter->flow_types_mask) == 0) { - i40e_pf_disable_rss(pf); - return 0; + i40e_rss_mark_invalid_rule(pf, conf); + + return 0; +} + +/* Configure RSS hash function to default */ +static int +i40e_rss_clear_hash_function(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf) +{ + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + uint32_t i, reg; + uint64_t mask0; + uint16_t j; + + if (conf->conf.func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) { + reg = i40e_read_rx_ctl(hw, I40E_GLQF_CTL); + if (reg & I40E_GLQF_CTL_HTOEP_MASK) { + PMD_DRV_LOG(DEBUG, + "Hash function already set to Toeplitz"); + I40E_WRITE_FLUSH(hw); + + return 0; + } + reg |= I40E_GLQF_CTL_HTOEP_MASK; + + i40e_write_global_rx_ctl(hw, I40E_GLQF_CTL, reg); + I40E_WRITE_FLUSH(hw); + } else if (conf->conf.func == + RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) { + mask0 = conf->conf.types & pf->adapter->flow_types_mask; + + for (i = RTE_ETH_FLOW_UNKNOWN + 1; i < UINT64_BIT; i++) { + if (mask0 & (1UL << i)) + break; + } + + for (j = I40E_FILTER_PCTYPE_INVALID + 1; + j < I40E_FILTER_PCTYPE_MAX; j++) { + if (pf->adapter->pctypes_tbl[i] & (1ULL << j)) + i40e_write_global_rx_ctl(hw, + I40E_GLQF_HSYM(j), + 0); + } } - if (rss_conf.rss_key == NULL || rss_conf.rss_key_len < - (I40E_PFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) { - /* Random default keys */ - static uint32_t rss_key_default[] = {0x6b793944, - 0x23504cb5, 0x5bea75b6, 0x309f4f12, 0x3dc0a2b8, - 0x024ddcdf, 0x339b8ca0, 0x4c4af64a, 0x34fac605, - 0x55d85839, 0x3a58997d, 0x2ec938e1, 0x66031581}; - rss_conf.rss_key = (uint8_t *)rss_key_default; - rss_conf.rss_key_len = (I40E_PFQF_HKEY_MAX_INDEX + 1) * - sizeof(uint32_t); - PMD_DRV_LOG(INFO, - "No valid RSS key config for i40e, using default\n"); + return 0; +} + +/* Disable RSS hash and configure default input set */ +static int +i40e_rss_disable_hash(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf) +{ + struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + struct i40e_rte_flow_rss_conf rss_conf; + uint32_t i; + + memset(&rss_conf, 0, sizeof(rss_conf)); + rte_memcpy(&rss_conf, conf, sizeof(rss_conf)); + + /* Disable RSS hash */ + rss_conf.conf.types = rss_info->conf.types & ~(conf->conf.types); + i40e_rss_hash_set(pf, &rss_conf); + + for (i = RTE_ETH_FLOW_IPV4; i <= RTE_ETH_FLOW_L2_PAYLOAD; i++) { + if (!(pf->adapter->flow_types_mask & (1ULL << i)) || + !(conf->conf.types & (1ULL << i))) + continue; + + /* Configure default input set */ + struct rte_eth_input_set_conf input_conf = { + .op = RTE_ETH_INPUT_SET_SELECT, + .flow_type = i, + .inset_size = 1, + }; + input_conf.field[0] = RTE_ETH_INPUT_SET_DEFAULT; + i40e_hash_filter_inset_select(hw, &input_conf); } - i40e_hw_rss_hash_set(pf, &rss_conf); + rss_info->conf.types = rss_conf.conf.types; - if (i40e_rss_conf_init(rss_info, &conf->conf)) - return -EINVAL; + i40e_rss_clear_hash_function(pf, conf); + + return 0; +} + +/* Configure RSS queue region to default */ +static int +i40e_rss_clear_queue_region(struct i40e_pf *pf) +{ + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; + uint16_t queue[I40E_MAX_Q_PER_TC]; + uint32_t num_rxq, i; + uint32_t lut = 0; + uint16_t j, num; + + num_rxq = RTE_MIN(pf->dev_data->nb_rx_queues, I40E_MAX_Q_PER_TC); + + for (j = 0; j < num_rxq; j++) + queue[j] = j; + + /* If both VMDQ and RSS enabled, not all of PF queues are configured. + * It's necessary to calculate the actual PF queues that are configured. + */ + if (pf->dev_data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_VMDQ_FLAG) + num = i40e_pf_calc_configured_queues_num(pf); + else + num = pf->dev_data->nb_rx_queues; + + num = RTE_MIN(num, num_rxq); + PMD_DRV_LOG(INFO, "Max of contiguous %u PF queues are configured", + num); + + if (num == 0) { + PMD_DRV_LOG(ERR, + "No PF queues are configured to enable RSS for port %u", + pf->dev_data->port_id); + return -ENOTSUP; + } + + /* Fill in redirection table */ + for (i = 0, j = 0; i < hw->func_caps.rss_table_size; i++, j++) { + if (j == num) + j = 0; + lut = (lut << 8) | (queue[j] & ((0x1 << + hw->func_caps.rss_table_entry_width) - 1)); + if ((i & 3) == 3) + I40E_WRITE_REG(hw, I40E_PFQF_HLUT(i >> 2), lut); + } + + rss_info->conf.queue_num = 0; + memset(&rss_info->conf.queue, 0, sizeof(uint16_t)); + + return 0; +} + +int +i40e_config_rss_filter(struct i40e_pf *pf, + struct i40e_rte_flow_rss_conf *conf, bool add) +{ + struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; + struct rte_flow_action_rss update_conf = rss_info->conf; + int ret = 0; + + if (add) { + if (conf->conf.queue_num) { + /* Configure RSS queue region */ + ret = i40e_rss_config_queue_region(pf, conf); + if (ret) + return ret; + + update_conf.queue_num = conf->conf.queue_num; + update_conf.queue = conf->conf.queue; + } else if (conf->conf.func == + RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) { + /* Configure hash function */ + ret = i40e_rss_config_hash_function(pf, conf); + if (ret) + return ret; + + update_conf.func = conf->conf.func; + } else { + /* Configure hash enable and input set */ + ret = i40e_rss_enable_hash(pf, conf); + if (ret) + return ret; + + update_conf.types |= conf->conf.types; + update_conf.key = conf->conf.key; + update_conf.key_len = conf->conf.key_len; + } + + /* Update RSS info in pf */ + if (i40e_rss_conf_init(rss_info, &update_conf)) + return -EINVAL; + } else { + if (!conf->valid) + return 0; + + if (conf->conf.queue_num) + i40e_rss_clear_queue_region(pf); + else if (conf->conf.func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) + i40e_rss_clear_hash_function(pf, conf); + else + i40e_rss_disable_hash(pf, conf); + } return 0; } diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h index 461959e08f..e5d0ce53f5 100644 --- a/drivers/net/i40e/i40e_ethdev.h +++ b/drivers/net/i40e/i40e_ethdev.h @@ -192,6 +192,9 @@ enum i40e_flxpld_layer_idx { #define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_MASK \ I40E_MASK(0xFFFF, I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT) +#define I40E_RSS_TYPE_NONE 0ULL +#define I40E_RSS_TYPE_INVALID 1ULL + #define I40E_INSET_NONE 0x00000000000000000ULL /* bit0 ~ bit 7 */ @@ -754,6 +757,11 @@ struct i40e_queue_regions { struct i40e_queue_region_info region[I40E_REGION_MAX_INDEX + 1]; }; +struct i40e_rss_pattern_info { + uint8_t action_flag; + uint64_t types; +}; + /* Tunnel filter number HW supports */ #define I40E_MAX_TUNNEL_FILTER_NUM 400 @@ -973,6 +981,15 @@ struct i40e_rte_flow_rss_conf { I40E_VFQF_HKEY_MAX_INDEX : I40E_PFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)]; /* Hash key. */ uint16_t queue[I40E_MAX_Q_PER_TC]; /**< Queues indices to use. */ + bool valid; /* Check if it's valid */ +}; + +TAILQ_HEAD(i40e_rss_conf_list, i40e_rss_filter); + +/* RSS filter list structure */ +struct i40e_rss_filter { + TAILQ_ENTRY(i40e_rss_filter) next; + struct i40e_rte_flow_rss_conf rss_filter_info; }; struct i40e_vf_msg_cfg { @@ -1043,7 +1060,8 @@ struct i40e_pf { struct i40e_fdir_info fdir; /* flow director info */ struct i40e_ethertype_rule ethertype; /* Ethertype filter rule */ struct i40e_tunnel_rule tunnel; /* Tunnel filter rule */ - struct i40e_rte_flow_rss_conf rss_info; /* rss info */ + struct i40e_rte_flow_rss_conf rss_info; /* RSS info */ + struct i40e_rss_conf_list rss_config_list; /* RSS rule list */ struct i40e_queue_regions queue_region; /* queue region info */ struct i40e_fc_conf fc_conf; /* Flow control conf */ struct i40e_mirror_rule_list mirror_list; @@ -1343,8 +1361,6 @@ int i40e_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len); int i40e_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size); int i40e_rss_conf_init(struct i40e_rte_flow_rss_conf *out, const struct rte_flow_action_rss *in); -int i40e_action_rss_same(const struct rte_flow_action_rss *comp, - const struct rte_flow_action_rss *with); int i40e_config_rss_filter(struct i40e_pf *pf, struct i40e_rte_flow_rss_conf *conf, bool add); int i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params); diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index b1861a7db8..72edd5a8c3 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -4475,29 +4475,80 @@ i40e_flow_parse_qinq_filter(struct rte_eth_dev *dev, * function for RSS, or flowtype for queue region configuration. * For example: * pattern: - * Case 1: only ETH, indicate flowtype for queue region will be parsed. - * Case 2: only VLAN, indicate user_priority for queue region will be parsed. - * Case 3: none, indicate RSS related will be parsed in action. - * Any pattern other the ETH or VLAN will be treated as invalid except END. + * Case 1: try to transform patterns to pctype. valid pctype will be + * used in parse action. + * Case 2: only ETH, indicate flowtype for queue region will be parsed. + * Case 3: only VLAN, indicate user_priority for queue region will be parsed. * So, pattern choice is depened on the purpose of configuration of * that flow. * action: - * action RSS will be uaed to transmit valid parameter with + * action RSS will be used to transmit valid parameter with * struct rte_flow_action_rss for all the 3 case. */ static int i40e_flow_parse_rss_pattern(__rte_unused struct rte_eth_dev *dev, const struct rte_flow_item *pattern, struct rte_flow_error *error, - uint8_t *action_flag, + struct i40e_rss_pattern_info *p_info, struct i40e_queue_regions *info) { const struct rte_flow_item_vlan *vlan_spec, *vlan_mask; const struct rte_flow_item *item = pattern; enum rte_flow_item_type item_type; - - if (item->type == RTE_FLOW_ITEM_TYPE_END) + struct rte_flow_item *items; + uint32_t item_num = 0; /* non-void item number of pattern*/ + uint32_t i = 0; + static const struct { + enum rte_flow_item_type *item_array; + uint64_t type; + } i40e_rss_pctype_patterns[] = { + { pattern_fdir_ipv4, + ETH_RSS_FRAG_IPV4 | ETH_RSS_NONFRAG_IPV4_OTHER }, + { pattern_fdir_ipv4_tcp, ETH_RSS_NONFRAG_IPV4_TCP }, + { pattern_fdir_ipv4_udp, ETH_RSS_NONFRAG_IPV4_UDP }, + { pattern_fdir_ipv4_sctp, ETH_RSS_NONFRAG_IPV4_SCTP }, + { pattern_fdir_ipv6, + ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_OTHER }, + { pattern_fdir_ipv6_tcp, ETH_RSS_NONFRAG_IPV6_TCP }, + { pattern_fdir_ipv6_udp, ETH_RSS_NONFRAG_IPV6_UDP }, + { pattern_fdir_ipv6_sctp, ETH_RSS_NONFRAG_IPV6_SCTP }, + }; + + p_info->types = I40E_RSS_TYPE_INVALID; + + if (item->type == RTE_FLOW_ITEM_TYPE_END) { + p_info->types = I40E_RSS_TYPE_NONE; return 0; + } + + /* Convert pattern to RSS offload types */ + while ((pattern + i)->type != RTE_FLOW_ITEM_TYPE_END) { + if ((pattern + i)->type != RTE_FLOW_ITEM_TYPE_VOID) + item_num++; + i++; + } + item_num++; + + items = rte_zmalloc("i40e_pattern", + item_num * sizeof(struct rte_flow_item), 0); + if (!items) { + rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_ITEM_NUM, + NULL, "No memory for PMD internal items."); + return -ENOMEM; + } + + i40e_pattern_skip_void_item(items, pattern); + + for (i = 0; i < RTE_DIM(i40e_rss_pctype_patterns); i++) { + if (i40e_match_pattern(i40e_rss_pctype_patterns[i].item_array, + items)) { + p_info->types = i40e_rss_pctype_patterns[i].type; + rte_free(items); + return 0; + } + } + + rte_free(items); for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) { if (item->last) { @@ -4510,7 +4561,7 @@ i40e_flow_parse_rss_pattern(__rte_unused struct rte_eth_dev *dev, item_type = item->type; switch (item_type) { case RTE_FLOW_ITEM_TYPE_ETH: - *action_flag = 1; + p_info->action_flag = 1; break; case RTE_FLOW_ITEM_TYPE_VLAN: vlan_spec = item->spec; @@ -4523,7 +4574,7 @@ i40e_flow_parse_rss_pattern(__rte_unused struct rte_eth_dev *dev, vlan_spec->tci) >> 13) & 0x7; info->region[0].user_priority_num = 1; info->queue_region_number = 1; - *action_flag = 0; + p_info->action_flag = 0; } } break; @@ -4540,7 +4591,7 @@ i40e_flow_parse_rss_pattern(__rte_unused struct rte_eth_dev *dev, } /** - * This function is used to parse rss queue index, total queue number and + * This function is used to parse RSS queue index, total queue number and * hash functions, If the purpose of this configuration is for queue region * configuration, it will set queue_region_conf flag to TRUE, else to FALSE. * In queue region configuration, it also need to parse hardware flowtype @@ -4549,14 +4600,16 @@ i40e_flow_parse_rss_pattern(__rte_unused struct rte_eth_dev *dev, * be any of the following values: 1, 2, 4, 8, 16, 32, 64, the * hw_flowtype or PCTYPE max index should be 63, the user priority * max index should be 7, and so on. And also, queue index should be - * continuous sequence and queue region index should be part of rss + * continuous sequence and queue region index should be part of RSS * queue index for this port. + * For hash params, the pctype in action and pattern must be same. + * Set queue index must be with non-types. */ static int i40e_flow_parse_rss_action(struct rte_eth_dev *dev, const struct rte_flow_action *actions, struct rte_flow_error *error, - uint8_t action_flag, + struct i40e_rss_pattern_info p_info, struct i40e_queue_regions *conf_info, union i40e_filter_t *filter) { @@ -4567,7 +4620,7 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev, struct i40e_rte_flow_rss_conf *rss_config = &filter->rss_conf; struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; - uint16_t i, j, n, tmp; + uint16_t i, j, n, tmp, nb_types; uint32_t index = 0; uint64_t hf_bit = 1; @@ -4575,7 +4628,7 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev, rss = act->conf; /** - * rss only supports forwarding, + * RSS only supports forwarding, * check if the first not void action is RSS. */ if (act->type != RTE_FLOW_ACTION_TYPE_RSS) { @@ -4586,7 +4639,7 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev, return -rte_errno; } - if (action_flag) { + if (p_info.action_flag) { for (n = 0; n < 64; n++) { if (rss->types & (hf_bit << n)) { conf_info->region[0].hw_flowtype[0] = n; @@ -4725,11 +4778,11 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev, if (rss_config->queue_region_conf) return 0; - if (!rss || !rss->queue_num) { + if (!rss) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, - "no valid queues"); + "invalid rule"); return -rte_errno; } @@ -4743,19 +4796,48 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev, } } - if (rss_info->conf.queue_num) { - rte_flow_error_set(error, EINVAL, - RTE_FLOW_ERROR_TYPE_ACTION, - act, - "rss only allow one valid rule"); - return -rte_errno; + if (rss->queue_num && (p_info.types || rss->types)) + return rte_flow_error_set + (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act, + "RSS types must be empty while configuring queue region"); + + /* validate pattern and pctype */ + if (!(rss->types & p_info.types) && + (rss->types || p_info.types) && !rss->queue_num) + return rte_flow_error_set + (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, + act, "invalid pctype"); + + nb_types = 0; + for (n = 0; n < RTE_ETH_FLOW_MAX; n++) { + if (rss->types & (hf_bit << n)) + nb_types++; + if (nb_types > 1) + return rte_flow_error_set + (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, + act, "multi pctype is not supported"); } + if (rss->func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR && + (p_info.types || rss->types || rss->queue_num)) + return rte_flow_error_set + (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act, + "pattern, type and queues must be empty while" + " setting hash function as simple_xor"); + + if (rss->func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ && + !(p_info.types && rss->types)) + return rte_flow_error_set + (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act, + "pctype and queues can not be empty while" + " setting hash function as symmetric toeplitz"); + /* Parse RSS related parameters from configuration */ - if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT) + if (rss->func >= RTE_ETH_HASH_FUNCTION_MAX || + rss->func == RTE_ETH_HASH_FUNCTION_TOEPLITZ) return rte_flow_error_set (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act, - "non-default RSS hash functions are not supported"); + "RSS hash functions are not supported"); if (rss->level) return rte_flow_error_set (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act, @@ -4797,19 +4879,20 @@ i40e_parse_rss_filter(struct rte_eth_dev *dev, union i40e_filter_t *filter, struct rte_flow_error *error) { - int ret; + struct i40e_rss_pattern_info p_info; struct i40e_queue_regions info; - uint8_t action_flag = 0; + int ret; memset(&info, 0, sizeof(struct i40e_queue_regions)); + memset(&p_info, 0, sizeof(struct i40e_rss_pattern_info)); ret = i40e_flow_parse_rss_pattern(dev, pattern, - error, &action_flag, &info); + error, &p_info, &info); if (ret) return ret; ret = i40e_flow_parse_rss_action(dev, actions, error, - action_flag, &info, filter); + p_info, &info, filter); if (ret) return ret; @@ -4828,15 +4911,33 @@ i40e_config_rss_filter_set(struct rte_eth_dev *dev, { struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct i40e_rss_filter *rss_filter; int ret; if (conf->queue_region_conf) { ret = i40e_flush_queue_region_all_conf(dev, hw, pf, 1); - conf->queue_region_conf = 0; } else { ret = i40e_config_rss_filter(pf, conf, 1); } - return ret; + + if (ret) + return ret; + + rss_filter = rte_zmalloc("i40e_rss_filter", + sizeof(*rss_filter), 0); + if (rss_filter == NULL) { + PMD_DRV_LOG(ERR, "Failed to alloc memory."); + return -ENOMEM; + } + rss_filter->rss_filter_info = *conf; + /* the rule new created is always valid + * the existing rule covered by new rule will be set invalid + */ + rss_filter->rss_filter_info.valid = true; + + TAILQ_INSERT_TAIL(&pf->rss_config_list, rss_filter, next); + + return 0; } static int @@ -4845,10 +4946,21 @@ i40e_config_rss_filter_del(struct rte_eth_dev *dev, { struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct i40e_rss_filter *rss_filter; + void *temp; - i40e_flush_queue_region_all_conf(dev, hw, pf, 0); + if (conf->queue_region_conf) + i40e_flush_queue_region_all_conf(dev, hw, pf, 0); + else + i40e_config_rss_filter(pf, conf, 0); - i40e_config_rss_filter(pf, conf, 0); + TAILQ_FOREACH_SAFE(rss_filter, &pf->rss_config_list, next, temp) { + if (!memcmp(&rss_filter->rss_filter_info, conf, + sizeof(struct rte_flow_action_rss))) { + TAILQ_REMOVE(&pf->rss_config_list, rss_filter, next); + rte_free(rss_filter); + } + } return 0; } @@ -4991,7 +5103,8 @@ i40e_flow_create(struct rte_eth_dev *dev, &cons_filter.rss_conf); if (ret) goto free_flow; - flow->rule = &pf->rss_info; + flow->rule = TAILQ_LAST(&pf->rss_config_list, + i40e_rss_conf_list); break; default: goto free_flow; @@ -5041,7 +5154,7 @@ i40e_flow_destroy(struct rte_eth_dev *dev, break; case RTE_ETH_FILTER_HASH: ret = i40e_config_rss_filter_del(dev, - (struct i40e_rte_flow_rss_conf *)flow->rule); + &((struct i40e_rss_filter *)flow->rule)->rss_filter_info); break; default: PMD_DRV_LOG(WARNING, "Filter type (%d) not supported", @@ -5189,7 +5302,7 @@ i40e_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error) if (ret) { rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL, - "Failed to flush rss flows."); + "Failed to flush RSS flows."); return -rte_errno; } @@ -5294,18 +5407,32 @@ i40e_flow_flush_tunnel_filter(struct i40e_pf *pf) return ret; } -/* remove the rss filter */ +/* remove the RSS filter */ static int i40e_flow_flush_rss_filter(struct rte_eth_dev *dev) { struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); - struct i40e_rte_flow_rss_conf *rss_info = &pf->rss_info; struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct rte_flow *flow; + void *temp; int32_t ret = -EINVAL; ret = i40e_flush_queue_region_all_conf(dev, hw, pf, 0); - if (rss_info->conf.queue_num) - ret = i40e_config_rss_filter(pf, rss_info, FALSE); + /* Delete RSS flows in flow list. */ + TAILQ_FOREACH_SAFE(flow, &pf->flow_list, node, temp) { + if (flow->filter_type != RTE_ETH_FILTER_HASH) + continue; + + if (flow->rule) { + ret = i40e_config_rss_filter_del(dev, + &((struct i40e_rss_filter *)flow->rule)->rss_filter_info); + if (ret) + return ret; + } + TAILQ_REMOVE(&pf->flow_list, flow, node); + rte_free(flow); + } + return ret; }