diff options
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_adv_rss.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_adv_rss.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 32 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_main.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_virtchnl.c | 41 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_virtchnl.c | 50 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_virtchnl.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_virtchnl_allowlist.c | 1 | ||||
| -rw-r--r-- | include/linux/avf/virtchnl.h | 19 |
10 files changed, 156 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index e7ab89dc883a..f83fbcc72075 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -312,7 +312,8 @@ struct iavf_adapter { #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) -#define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(15) +#define IAVF_FLAG_AQ_SET_RSS_HFUNC BIT_ULL(15) +#define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(16) #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19) #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20) #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21) @@ -414,6 +415,7 @@ struct iavf_adapter { struct iavf_vsi vsi; u32 aq_wait_count; /* RSS stuff */ + enum virtchnl_rss_algorithm hfunc; u64 hena; u16 rss_key_size; u16 rss_lut_size; @@ -539,6 +541,7 @@ void iavf_get_hena(struct iavf_adapter *adapter); void iavf_set_hena(struct iavf_adapter *adapter); void iavf_set_rss_key(struct iavf_adapter *adapter); void iavf_set_rss_lut(struct iavf_adapter *adapter); +void iavf_set_rss_hfunc(struct iavf_adapter *adapter); void iavf_enable_vlan_stripping(struct iavf_adapter *adapter); void iavf_disable_vlan_stripping(struct iavf_adapter *adapter); void iavf_virtchnl_completion(struct iavf_adapter *adapter, diff --git a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c index 6edbf134b73f..a9e1da35e248 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c +++ b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c @@ -95,17 +95,21 @@ iavf_fill_adv_rss_sctp_hdr(struct virtchnl_proto_hdr *hdr, u64 hash_flds) * @rss_cfg: the virtchnl message to be filled with RSS configuration setting * @packet_hdrs: the RSS configuration protocol header types * @hash_flds: the RSS configuration protocol hash fields + * @symm: if true, symmetric hash is required * * Returns 0 if the RSS configuration virtchnl message is filled successfully */ int iavf_fill_adv_rss_cfg_msg(struct virtchnl_rss_cfg *rss_cfg, - u32 packet_hdrs, u64 hash_flds) + u32 packet_hdrs, u64 hash_flds, bool symm) { struct virtchnl_proto_hdrs *proto_hdrs = &rss_cfg->proto_hdrs; struct virtchnl_proto_hdr *hdr; - rss_cfg->rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC; + if (symm) + rss_cfg->rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC; + else + rss_cfg->rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC; proto_hdrs->tunnel_level = 0; /* always outer layer */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h index 4d3be11af7aa..e31eb2afebea 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h +++ b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h @@ -80,13 +80,14 @@ struct iavf_adv_rss { u32 packet_hdrs; u64 hash_flds; + bool symm; struct virtchnl_rss_cfg cfg_msg; }; int iavf_fill_adv_rss_cfg_msg(struct virtchnl_rss_cfg *rss_cfg, - u32 packet_hdrs, u64 hash_flds); + u32 packet_hdrs, u64 hash_flds, bool symm); struct iavf_adv_rss * iavf_find_adv_rss_cfg_by_hdrs(struct iavf_adapter *adapter, u32 packet_hdrs); void diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index c376a489e4c2..f147743792fb 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -1529,11 +1529,12 @@ static u32 iavf_adv_rss_parse_hdrs(struct ethtool_rxnfc *cmd) /** * iavf_adv_rss_parse_hash_flds - parses hash fields from RSS hash input * @cmd: ethtool rxnfc command + * @symm: true if Symmetric Topelitz is set * * This function parses the rxnfc command and returns intended hash fields for * RSS configuration */ -static u64 iavf_adv_rss_parse_hash_flds(struct ethtool_rxnfc *cmd) +static u64 iavf_adv_rss_parse_hash_flds(struct ethtool_rxnfc *cmd, bool symm) { u64 hfld = IAVF_ADV_RSS_HASH_INVALID; @@ -1605,17 +1606,20 @@ iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, struct iavf_adv_rss *rss_old, *rss_new; bool rss_new_add = false; int count = 50, err = 0; + bool symm = false; u64 hash_flds; u32 hdrs; if (!ADV_RSS_SUPPORT(adapter)) return -EOPNOTSUPP; + symm = !!(adapter->hfunc == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC); + hdrs = iavf_adv_rss_parse_hdrs(cmd); if (hdrs == IAVF_ADV_RSS_FLOW_SEG_HDR_NONE) return -EINVAL; - hash_flds = iavf_adv_rss_parse_hash_flds(cmd); + hash_flds = iavf_adv_rss_parse_hash_flds(cmd, symm); if (hash_flds == IAVF_ADV_RSS_HASH_INVALID) return -EINVAL; @@ -1623,7 +1627,8 @@ iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, if (!rss_new) return -ENOMEM; - if (iavf_fill_adv_rss_cfg_msg(&rss_new->cfg_msg, hdrs, hash_flds)) { + if (iavf_fill_adv_rss_cfg_msg(&rss_new->cfg_msg, hdrs, hash_flds, + symm)) { kfree(rss_new); return -EINVAL; } @@ -1642,9 +1647,11 @@ iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, if (rss_old) { if (rss_old->state != IAVF_ADV_RSS_ACTIVE) { err = -EBUSY; - } else if (rss_old->hash_flds != hash_flds) { + } else if (rss_old->hash_flds != hash_flds || + rss_old->symm != symm) { rss_old->state = IAVF_ADV_RSS_ADD_REQUEST; rss_old->hash_flds = hash_flds; + rss_old->symm = symm; memcpy(&rss_old->cfg_msg, &rss_new->cfg_msg, sizeof(rss_new->cfg_msg)); } else { @@ -1655,6 +1662,7 @@ iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, rss_new->state = IAVF_ADV_RSS_ADD_REQUEST; rss_new->packet_hdrs = hdrs; rss_new->hash_flds = hash_flds; + rss_new->symm = symm; list_add_tail(&rss_new->list, &adapter->adv_rss_list_head); } spin_unlock_bh(&adapter->adv_rss_lock); @@ -1905,6 +1913,9 @@ static int iavf_get_rxfh(struct net_device *netdev, u16 i; rxfh->hfunc = ETH_RSS_HASH_TOP; + if (adapter->hfunc == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC) + rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; + if (rxfh->key) memcpy(rxfh->key, adapter->rss_key, adapter->rss_key_size); @@ -1937,6 +1948,18 @@ static int iavf_set_rxfh(struct net_device *netdev, rxfh->hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; + if ((rxfh->input_xfrm & RXH_XFRM_SYM_XOR) && + adapter->hfunc != VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC) { + if (!ADV_RSS_SUPPORT(adapter)) + return -EOPNOTSUPP; + adapter->hfunc = VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC; + adapter->aq_required |= IAVF_FLAG_AQ_SET_RSS_HFUNC; + } else if (!(rxfh->input_xfrm & RXH_XFRM_SYM_XOR) && + adapter->hfunc != VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC) { + adapter->hfunc = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC; + adapter->aq_required |= IAVF_FLAG_AQ_SET_RSS_HFUNC; + } + if (!rxfh->key && !rxfh->indir) return 0; @@ -1955,6 +1978,7 @@ static int iavf_set_rxfh(struct net_device *netdev, static const struct ethtool_ops iavf_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_USE_ADAPTIVE, + .cap_rss_sym_xor_supported = true, .get_drvinfo = iavf_get_drvinfo, .get_link = ethtool_op_get_link, .get_ringparam = iavf_get_ringparam, diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 06a87030c163..0b3b33acf1bd 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -2166,6 +2166,10 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) iavf_set_rss_lut(adapter); return 0; } + if (adapter->aq_required & IAVF_FLAG_AQ_SET_RSS_HFUNC) { + iavf_set_rss_hfunc(adapter); + return 0; + } if (adapter->aq_required & IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE) { iavf_set_promiscuous(adapter); diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 64c4443dbef9..64a351e70a56 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -1142,6 +1142,34 @@ void iavf_set_rss_lut(struct iavf_adapter *adapter) } /** + * iavf_set_rss_hfunc + * @adapter: adapter structure + * + * Request the PF to set our RSS Hash function + **/ +void iavf_set_rss_hfunc(struct iavf_adapter *adapter) +{ + struct virtchnl_rss_hfunc *vrh; + int len = sizeof(*vrh); + + if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { + /* bail because we already have a command pending */ + dev_err(&adapter->pdev->dev, "Cannot set RSS Hash function, command %d pending\n", + adapter->current_op); + return; + } + vrh = kzalloc(len, GFP_KERNEL); + if (!vrh) + return; + vrh->vsi_id = adapter->vsi.id; + vrh->rss_algorithm = adapter->hfunc; + adapter->current_op = VIRTCHNL_OP_CONFIG_RSS_HFUNC; + adapter->aq_required &= ~IAVF_FLAG_AQ_SET_RSS_HFUNC; + iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_RSS_HFUNC, (u8 *)vrh, len); + kfree(vrh); +} + +/** * iavf_enable_vlan_stripping * @adapter: adapter structure * @@ -2142,6 +2170,19 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, dev_warn(&adapter->pdev->dev, "Failed to add VLAN filter, error %s\n", iavf_stat_str(&adapter->hw, v_retval)); break; + case VIRTCHNL_OP_CONFIG_RSS_HFUNC: + dev_warn(&adapter->pdev->dev, "Failed to configure hash function, error %s\n", + iavf_stat_str(&adapter->hw, v_retval)); + + if (adapter->hfunc == + VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC) + adapter->hfunc = + VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC; + else + adapter->hfunc = + VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC; + + break; default: dev_err(&adapter->pdev->dev, "PF returned error %d (%s) to our request %d\n", v_retval, iavf_stat_str(&adapter->hw, v_retval), diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c index 482f8e8b1951..d4ad0739b57b 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c @@ -1000,6 +1000,51 @@ error_param: } /** + * ice_vc_config_rss_hfunc + * @vf: pointer to the VF info + * @msg: pointer to the msg buffer + * + * Configure the VF's RSS Hash function + */ +static int ice_vc_config_rss_hfunc(struct ice_vf *vf, u8 *msg) +{ + struct virtchnl_rss_hfunc *vrh = (struct virtchnl_rss_hfunc *)msg; + enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; + u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; + struct ice_vsi *vsi; + + if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + goto error_param; + } + + if (!ice_vc_isvalid_vsi_id(vf, vrh->vsi_id)) { + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + goto error_param; + } + + if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + goto error_param; + } + + vsi = ice_get_vf_vsi(vf); + if (!vsi) { + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + goto error_param; + } + + if (vrh->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC) + hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; + + if (ice_set_rss_hfunc(vsi, hfunc)) + v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; +error_param: + return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_HFUNC, v_ret, + NULL, 0); +} + +/** * ice_vc_cfg_promiscuous_mode_msg * @vf: pointer to the VF info * @msg: pointer to the msg buffer @@ -3766,6 +3811,7 @@ static const struct ice_virtchnl_ops ice_virtchnl_dflt_ops = { .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg, .config_rss_key = ice_vc_config_rss_key, .config_rss_lut = ice_vc_config_rss_lut, + .config_rss_hfunc = ice_vc_config_rss_hfunc, .get_stats_msg = ice_vc_get_stats_msg, .cfg_promiscuous_mode_msg = ice_vc_cfg_promiscuous_mode_msg, .add_vlan_msg = ice_vc_add_vlan_msg, @@ -3895,6 +3941,7 @@ static const struct ice_virtchnl_ops ice_virtchnl_repr_ops = { .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg, .config_rss_key = ice_vc_config_rss_key, .config_rss_lut = ice_vc_config_rss_lut, + .config_rss_hfunc = ice_vc_config_rss_hfunc, .get_stats_msg = ice_vc_get_stats_msg, .cfg_promiscuous_mode_msg = ice_vc_repr_cfg_promiscuous_mode, .add_vlan_msg = ice_vc_add_vlan_msg, @@ -4077,6 +4124,9 @@ error_handler: case VIRTCHNL_OP_CONFIG_RSS_LUT: err = ops->config_rss_lut(vf, msg); break; + case VIRTCHNL_OP_CONFIG_RSS_HFUNC: + err = ops->config_rss_hfunc(vf, msg); + break; case VIRTCHNL_OP_GET_STATS: err = ops->get_stats_msg(vf, msg); break; diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.h b/drivers/net/ethernet/intel/ice/ice_virtchnl.h index cd747718de73..60dfbe05980a 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.h +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.h @@ -32,6 +32,7 @@ struct ice_virtchnl_ops { int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg); int (*config_rss_key)(struct ice_vf *vf, u8 *msg); int (*config_rss_lut)(struct ice_vf *vf, u8 *msg); + int (*config_rss_hfunc)(struct ice_vf *vf, u8 *msg); int (*get_stats_msg)(struct ice_vf *vf, u8 *msg); int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg); int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg); diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_allowlist.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_allowlist.c index 7d547fa616fa..5e19d48a05b4 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_allowlist.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_allowlist.c @@ -68,6 +68,7 @@ static const u32 vlan_v2_allowlist_opcodes[] = { static const u32 rss_pf_allowlist_opcodes[] = { VIRTCHNL_OP_CONFIG_RSS_KEY, VIRTCHNL_OP_CONFIG_RSS_LUT, VIRTCHNL_OP_GET_RSS_HENA_CAPS, VIRTCHNL_OP_SET_RSS_HENA, + VIRTCHNL_OP_CONFIG_RSS_HFUNC, }; /* VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC */ diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index b0e060cc79ac..a44d9dc7e3eb 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -118,6 +118,7 @@ enum virtchnl_ops { VIRTCHNL_OP_GET_STATS = 15, VIRTCHNL_OP_RSVD = 16, VIRTCHNL_OP_EVENT = 17, /* must ALWAYS be 17 */ + VIRTCHNL_OP_CONFIG_RSS_HFUNC = 18, /* opcode 19 is reserved */ VIRTCHNL_OP_IWARP = 20, /* advanced opcode */ VIRTCHNL_OP_RDMA = VIRTCHNL_OP_IWARP, @@ -919,6 +920,21 @@ enum virtchnl_rss_algorithm { VIRTCHNL_RSS_ALG_XOR_SYMMETRIC = 3, }; +/* VIRTCHNL_OP_CONFIG_RSS_HFUNC + * VF sends this message to configure the RSS hash function. Only supported + * if both PF and VF drivers set the VIRTCHNL_VF_OFFLOAD_RSS_PF bit during + * configuration negotiation. + * The hash function is initialized to VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC + * by the PF. + */ +struct virtchnl_rss_hfunc { + u16 vsi_id; + u16 rss_algorithm; /* enum virtchnl_rss_algorithm */ + u32 reserved; +}; + +VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_rss_hfunc); + /* VIRTCHNL_OP_ENABLE_CHANNELS * VIRTCHNL_OP_DISABLE_CHANNELS * VF sends these messages to enable or disable channels based on @@ -1542,6 +1558,9 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode, vrl->lut_entries); } break; + case VIRTCHNL_OP_CONFIG_RSS_HFUNC: + valid_len = sizeof(struct virtchnl_rss_hfunc); + break; case VIRTCHNL_OP_GET_RSS_HENA_CAPS: break; case VIRTCHNL_OP_SET_RSS_HENA: |