diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_common.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_dcb.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ddp.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 73 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 82 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_nvm.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ptp.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 41 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 117 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_xsk.c | 17 |
14 files changed, 234 insertions, 126 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index cd53981fa5e0..9067cd3ce243 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -66,6 +66,8 @@ #define I40E_FDIR_RING_COUNT 32 #define I40E_MAX_AQ_BUF_SIZE 4096 #define I40E_AQ_LEN 256 +#define I40E_MIN_ARQ_LEN 1 +#define I40E_MIN_ASQ_LEN 2 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ #define I40E_MAX_USER_PRIORITY 8 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0) @@ -142,6 +144,7 @@ enum i40e_state_t { __I40E_VIRTCHNL_OP_PENDING, __I40E_RECOVERY_MODE, __I40E_VF_RESETS_DISABLED, /* disable resets during i40e_remove */ + __I40E_VFS_RELEASING, /* This must be last as it determines the size of the BITMAP */ __I40E_STATE_SIZE__, }; diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index ec19e18305ec..41b813fe07a5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -2332,7 +2332,7 @@ i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw, } /** - * i40e_get_vsi_params - get VSI configuration info + * i40e_aq_get_vsi_params - get VSI configuration info * @hw: pointer to the hw struct * @vsi_ctx: pointer to a vsi context struct * @cmd_details: pointer to command details structure or NULL @@ -2586,7 +2586,7 @@ i40e_status i40e_get_link_status(struct i40e_hw *hw, bool *link_up) } /** - * i40e_updatelink_status - update status of the HW network link + * i40e_update_link_info - update status of the HW network link * @hw: pointer to the hw struct **/ noinline_for_stack i40e_status i40e_update_link_info(struct i40e_hw *hw) @@ -5059,7 +5059,7 @@ u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num) } /** - * i40e_blink_phy_led + * i40e_blink_phy_link_led * @hw: pointer to the HW structure * @time: time how long led will blinks in secs * @interval: gap between LED on and off in msecs diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c index 243b0d2b7b72..673f341f4c0c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb.c +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c @@ -234,7 +234,7 @@ static void i40e_parse_ieee_app_tlv(struct i40e_lldp_org_tlv *tlv, } /** - * i40e_parse_ieee_etsrec_tlv + * i40e_parse_ieee_tlv * @tlv: IEEE 802.1Qaz TLV * @dcbcfg: Local store to update ETS REC data * @@ -1588,7 +1588,7 @@ void i40e_dcb_hw_rx_ets_bw_config(struct i40e_hw *hw, u8 *bw_share, } /** - * i40e_dcb_hw_rx_ets_bw_config + * i40e_dcb_hw_rx_up2tc_config * @hw: pointer to the hw struct * @prio_tc: priority to tc assignment indexed by priority * diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c index 0345132a0ef5..e32c61909b31 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c @@ -392,7 +392,7 @@ static void i40e_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, } /** - * i40e_dcbnl_set_pg_tc_cfg_tx - Set CEE PG Tx BW config + * i40e_dcbnl_set_pg_bwg_cfg_tx - Set CEE PG Tx BW config * @netdev: the corresponding netdev * @pgid: the corresponding traffic class * @bw_pct: the BW percentage for the specified traffic class diff --git a/drivers/net/ethernet/intel/i40e/i40e_ddp.c b/drivers/net/ethernet/intel/i40e/i40e_ddp.c index 5e08f100c413..e1069ae658ad 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ddp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ddp.c @@ -77,7 +77,7 @@ static bool i40e_ddp_profiles_overlap(struct i40e_profile_info *new, } /** - * i40e_ddp_does_profiles_ - checks if DDP overlaps with existing one. + * i40e_ddp_does_profile_overlap - checks if DDP overlaps with existing one. * @hw: HW data structure * @pinfo: DDP profile information structure * diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index d7c13ca9be7d..291e61ac3e44 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -578,6 +578,9 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, case RING_TYPE_XDP: ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); break; + default: + ring = NULL; + break; } if (!ring) return; @@ -651,7 +654,7 @@ static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) } /** - * i40e_dbg_dump_stats - handles dump stats write into command datum + * i40e_dbg_dump_eth_stats - handles dump stats write into command datum * @pf: the i40e_pf created in command write * @estats: the eth stats structure to be dumped **/ @@ -1638,7 +1641,7 @@ static const struct file_operations i40e_dbg_command_fops = { static char i40e_dbg_netdev_ops_buf[256] = ""; /** - * i40e_dbg_netdev_ops - read for netdev_ops datum + * i40e_dbg_netdev_ops_read - read for netdev_ops datum * @filp: the opened file * @buffer: where to write the data for the user to read * @count: the size of the user's buffer diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index c70dec65a572..040a01400b85 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -212,7 +212,7 @@ static void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[], } /** - * 40e_add_stat_strings - copy stat strings into ethtool buffer + * i40e_add_stat_strings - copy stat strings into ethtool buffer * @p: ethtool supplied buffer * @stats: stat definitions array * @@ -232,6 +232,8 @@ static void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[], I40E_STAT(struct i40e_vsi, _name, _stat) #define I40E_VEB_STAT(_name, _stat) \ I40E_STAT(struct i40e_veb, _name, _stat) +#define I40E_VEB_TC_STAT(_name, _stat) \ + I40E_STAT(struct i40e_cp_veb_tc_stats, _name, _stat) #define I40E_PFC_STAT(_name, _stat) \ I40E_STAT(struct i40e_pfc_stats, _name, _stat) #define I40E_QUEUE_STAT(_name, _stat) \ @@ -266,11 +268,18 @@ static const struct i40e_stats i40e_gstrings_veb_stats[] = { I40E_VEB_STAT("veb.rx_unknown_protocol", stats.rx_unknown_protocol), }; +struct i40e_cp_veb_tc_stats { + u64 tc_rx_packets; + u64 tc_rx_bytes; + u64 tc_tx_packets; + u64 tc_tx_bytes; +}; + static const struct i40e_stats i40e_gstrings_veb_tc_stats[] = { - I40E_VEB_STAT("veb.tc_%u_tx_packets", tc_stats.tc_tx_packets), - I40E_VEB_STAT("veb.tc_%u_tx_bytes", tc_stats.tc_tx_bytes), - I40E_VEB_STAT("veb.tc_%u_rx_packets", tc_stats.tc_rx_packets), - I40E_VEB_STAT("veb.tc_%u_rx_bytes", tc_stats.tc_rx_bytes), + I40E_VEB_TC_STAT("veb.tc_%u_tx_packets", tc_tx_packets), + I40E_VEB_TC_STAT("veb.tc_%u_tx_bytes", tc_tx_bytes), + I40E_VEB_TC_STAT("veb.tc_%u_rx_packets", tc_rx_packets), + I40E_VEB_TC_STAT("veb.tc_%u_rx_bytes", tc_rx_bytes), }; static const struct i40e_stats i40e_gstrings_misc_stats[] = { @@ -1101,6 +1110,7 @@ static int i40e_get_link_ksettings(struct net_device *netdev, /* Set flow control settings */ ethtool_link_ksettings_add_link_mode(ks, supported, Pause); + ethtool_link_ksettings_add_link_mode(ks, supported, Asym_Pause); switch (hw->fc.requested_mode) { case I40E_FC_FULL: @@ -2217,6 +2227,29 @@ static int i40e_get_sset_count(struct net_device *netdev, int sset) } /** + * i40e_get_veb_tc_stats - copy VEB TC statistics to formatted structure + * @tc: the TC statistics in VEB structure (veb->tc_stats) + * @i: the index of traffic class in (veb->tc_stats) structure to copy + * + * Copy VEB TC statistics from structure of arrays (veb->tc_stats) to + * one dimensional structure i40e_cp_veb_tc_stats. + * Produce formatted i40e_cp_veb_tc_stats structure of the VEB TC + * statistics for the given TC. + **/ +static struct i40e_cp_veb_tc_stats +i40e_get_veb_tc_stats(struct i40e_veb_tc_stats *tc, unsigned int i) +{ + struct i40e_cp_veb_tc_stats veb_tc = { + .tc_rx_packets = tc->tc_rx_packets[i], + .tc_rx_bytes = tc->tc_rx_bytes[i], + .tc_tx_packets = tc->tc_tx_packets[i], + .tc_tx_bytes = tc->tc_tx_bytes[i], + }; + + return veb_tc; +} + +/** * i40e_get_pfc_stats - copy HW PFC statistics to formatted structure * @pf: the PF device structure * @i: the priority value to copy @@ -2300,8 +2333,16 @@ static void i40e_get_ethtool_stats(struct net_device *netdev, i40e_gstrings_veb_stats); for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) - i40e_add_ethtool_stats(&data, veb_stats ? veb : NULL, - i40e_gstrings_veb_tc_stats); + if (veb_stats) { + struct i40e_cp_veb_tc_stats veb_tc = + i40e_get_veb_tc_stats(&veb->tc_stats, i); + + i40e_add_ethtool_stats(&data, &veb_tc, + i40e_gstrings_veb_tc_stats); + } else { + i40e_add_ethtool_stats(&data, NULL, + i40e_gstrings_veb_tc_stats); + } i40e_add_ethtool_stats(&data, pf, i40e_gstrings_stats); @@ -2368,21 +2409,15 @@ static void i40e_get_priv_flag_strings(struct net_device *netdev, u8 *data) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; - char *p = (char *)data; unsigned int i; + u8 *p = data; - for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - i40e_gstrings_priv_flags[i].flag_string); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) + ethtool_sprintf(&p, i40e_gstrings_priv_flags[i].flag_string); if (pf->hw.pf_id != 0) return; - for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - i40e_gl_gstrings_priv_flags[i].flag_string); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) + ethtool_sprintf(&p, i40e_gl_gstrings_priv_flags[i].flag_string); } static void i40e_get_strings(struct net_device *netdev, u32 stringset, @@ -5439,7 +5474,7 @@ static int i40e_get_module_eeprom(struct net_device *netdev, status = i40e_aq_get_phy_register(hw, I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE, - true, addr, offset, &value, NULL); + addr, true, offset, &value, NULL); if (status) return -EIO; data[i] = value; diff --git a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c index a3da422ab05b..d6e92ecddfbd 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c +++ b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c @@ -511,7 +511,7 @@ configure_lan_hmc_out: } /** - * i40e_delete_hmc_object - remove hmc objects + * i40e_delete_lan_hmc_object - remove hmc objects * @hw: pointer to the HW structure * @info: pointer to i40e_hmc_delete_obj_info struct * diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 353deae139f9..c2d145a56b5e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6,6 +6,7 @@ #include <linux/pci.h> #include <linux/bpf.h> #include <generated/utsrelease.h> +#include <linux/crash_dump.h> /* Local includes */ #include "i40e.h" @@ -2023,7 +2024,7 @@ static void i40e_undo_add_filter_entries(struct i40e_vsi *vsi, } /** - * i40e_next_entry - Get the next non-broadcast filter from a list + * i40e_next_filter - Get the next non-broadcast filter from a list * @next: pointer to filter in list * * Returns the next non-broadcast filter in the list. Required so that we @@ -2560,8 +2561,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) i40e_stat_str(hw, aq_ret), i40e_aq_str(hw, hw->aq.asq_last_status)); } else { - dev_info(&pf->pdev->dev, "%s is %s allmulti mode.\n", - vsi->netdev->name, + dev_info(&pf->pdev->dev, "%s allmulti mode.\n", cur_multipromisc ? "entering" : "leaving"); } } @@ -3259,6 +3259,17 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring) } /** + * i40e_rx_offset - Return expected offset into page to access data + * @rx_ring: Ring we are requesting offset of + * + * Returns the offset value for ring into the data buffer. + */ +static unsigned int i40e_rx_offset(struct i40e_ring *rx_ring) +{ + return ring_uses_build_skb(rx_ring) ? I40E_SKB_PAD : 0; +} + +/** * i40e_configure_rx_ring - Configure a receive ring context * @ring: The Rx ring to configure * @@ -3369,6 +3380,8 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring) else set_ring_build_skb_enabled(ring); + ring->rx_offset = i40e_rx_offset(ring); + /* cache tail for quicker writes, and clear the reg before use */ ring->tail = hw->hw_addr + I40E_QRX_TAIL(pf_q); writel(0, ring->tail); @@ -5191,7 +5204,7 @@ static u8 i40e_pf_get_num_tc(struct i40e_pf *pf) } /** - * i40e_pf_get_pf_tc_map - Get bitmap for enabled traffic classes + * i40e_pf_get_tc_map - Get bitmap for enabled traffic classes * @pf: PF being queried * * Return a bitmap for enabled traffic classes for this PF. @@ -6725,9 +6738,9 @@ out: set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state); set_bit(__I40E_CLIENT_L2_CHANGE, pf->state); } - /* registers are set, lets apply */ - if (pf->hw_features & I40E_HW_USE_SET_LLDP_MIB) - ret = i40e_hw_set_dcb_config(pf, new_cfg); + /* registers are set, lets apply */ + if (pf->hw_features & I40E_HW_USE_SET_LLDP_MIB) + ret = i40e_hw_set_dcb_config(pf, new_cfg); } err: @@ -7326,7 +7339,7 @@ static void i40e_vsi_set_default_tc_config(struct i40e_vsi *vsi) qcount = min_t(int, vsi->alloc_queue_pairs, i40e_pf_get_max_q_per_tc(vsi->back)); for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { - /* For the TC that is not enabled set the offset to to default + /* For the TC that is not enabled set the offset to default * queue and allocate one queue for the given TC. */ vsi->tc_config.tc_info[i].qoffset = 0; @@ -9454,7 +9467,7 @@ static void i40e_fdir_flush_and_replay(struct i40e_pf *pf) } /** - * i40e_get_current_atr_count - Get the count of total FD ATR filters programmed + * i40e_get_current_atr_cnt - Get the count of total FD ATR filters programmed * @pf: board private structure **/ u32 i40e_get_current_atr_cnt(struct i40e_pf *pf) @@ -10560,12 +10573,6 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) goto end_core_reset; } - if (!lock_acquired) - rtnl_lock(); - ret = i40e_setup_pf_switch(pf, reinit); - if (ret) - goto end_unlock; - #ifdef CONFIG_I40E_DCB /* Enable FW to write a default DCB config on link-up * unless I40E_FLAG_TC_MQPRIO was enabled or DCB @@ -10580,7 +10587,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) i40e_aq_set_dcb_parameters(hw, false, NULL); dev_warn(&pf->pdev->dev, "DCB is not supported for X710-T*L 2.5/5G speeds\n"); - pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + pf->flags &= ~I40E_FLAG_DCB_CAPABLE; } else { i40e_aq_set_dcb_parameters(hw, true, NULL); ret = i40e_init_pf_dcb(pf); @@ -10594,6 +10601,11 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) } #endif /* CONFIG_I40E_DCB */ + if (!lock_acquired) + rtnl_lock(); + ret = i40e_setup_pf_switch(pf, reinit); + if (ret) + goto end_unlock; /* The driver only wants link up/down and module qualification * reports from firmware. Note the negative logic. @@ -10612,7 +10624,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) * need to rebuild the switch model in the HW. * * If there were VEBs but the reconstitution failed, we'll try - * try to recover minimal use by getting the basic PF VSI working. + * to recover minimal use by getting the basic PF VSI working. */ if (vsi->uplink_seid != pf->mac_seid) { dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n"); @@ -11028,6 +11040,11 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi) return -ENODATA; } + if (is_kdump_kernel()) { + vsi->num_tx_desc = I40E_MIN_NUM_DESCRIPTORS; + vsi->num_rx_desc = I40E_MIN_NUM_DESCRIPTORS; + } + return 0; } @@ -12346,6 +12363,7 @@ static int i40e_sw_init(struct i40e_pf *pf) { int err = 0; int size; + u16 pow; /* Set default capability flags */ pf->flags = I40E_FLAG_RX_CSUM_ENABLED | @@ -12364,6 +12382,11 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->rss_table_size = pf->hw.func_caps.rss_table_size; pf->rss_size_max = min_t(int, pf->rss_size_max, pf->hw.func_caps.num_tx_qp); + + /* find the next higher power-of-2 of num cpus */ + pow = roundup_pow_of_two(num_online_cpus()); + pf->rss_size_max = min_t(int, pf->rss_size_max, pow); + if (pf->hw.func_caps.rss) { pf->flags |= I40E_FLAG_RSS_ENABLED; pf->alloc_rss_size = min_t(int, pf->rss_size_max, @@ -15127,12 +15150,16 @@ static int i40e_init_recovery_mode(struct i40e_pf *pf, struct i40e_hw *hw) * in order to register the netdev */ v_idx = i40e_vsi_mem_alloc(pf, I40E_VSI_MAIN); - if (v_idx < 0) + if (v_idx < 0) { + err = v_idx; goto err_switch_setup; + } pf->lan_vsi = v_idx; vsi = pf->vsi[v_idx]; - if (!vsi) + if (!vsi) { + err = -EFAULT; goto err_switch_setup; + } vsi->alloc_queue_pairs = 1; err = i40e_config_netdev(vsi); if (err) @@ -15321,8 +15348,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i40e_check_recovery_mode(pf); - hw->aq.num_arq_entries = I40E_AQ_LEN; - hw->aq.num_asq_entries = I40E_AQ_LEN; + if (is_kdump_kernel()) { + hw->aq.num_arq_entries = I40E_MIN_ARQ_LEN; + hw->aq.num_asq_entries = I40E_MIN_ASQ_LEN; + } else { + hw->aq.num_arq_entries = I40E_AQ_LEN; + hw->aq.num_asq_entries = I40E_AQ_LEN; + } hw->aq.arq_buf_size = I40E_MAX_AQ_BUF_SIZE; hw->aq.asq_buf_size = I40E_MAX_AQ_BUF_SIZE; pf->adminq_work_limit = I40E_AQ_WORK_LIMIT; @@ -15485,6 +15517,14 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_switch_setup; + /* Reduce Tx and Rx pairs for kdump + * When MSI-X is enabled, it's not allowed to use more TC queue + * pairs than MSI-X vectors (pf->num_lan_msix) exist. Thus + * vsi->num_queue_pairs will be equal to pf->num_lan_msix, i.e., 1. + */ + if (is_kdump_kernel()) + pf->num_lan_msix = 1; + pf->udp_tunnel_nic.set_port = i40e_udp_tunnel_set_port; pf->udp_tunnel_nic.unset_port = i40e_udp_tunnel_unset_port; pf->udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP; diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index 7164f4ad8120..fe6dca846028 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -4,7 +4,7 @@ #include "i40e_prototype.h" /** - * i40e_init_nvm_ops - Initialize NVM function pointers + * i40e_init_nvm - Initialize NVM function pointers * @hw: pointer to the HW structure * * Setup the function pointers and the NVM info structure. Should be called diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index 7a879614ca55..f1f6fc3744e9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -216,7 +216,7 @@ static int i40e_ptp_feature_enable(struct ptp_clock_info *ptp, } /** - * i40e_ptp_update_latch_events - Read I40E_PRTTSYN_STAT_1 and latch events + * i40e_ptp_get_rx_events - Read I40E_PRTTSYN_STAT_1 and latch events * @pf: the PF data structure * * This function reads I40E_PRTTSYN_STAT_1 and updates the corresponding timers diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 627794b31e33..121cd99fdeff 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1570,17 +1570,6 @@ void i40e_free_rx_resources(struct i40e_ring *rx_ring) } /** - * i40e_rx_offset - Return expected offset into page to access data - * @rx_ring: Ring we are requesting offset of - * - * Returns the offset value for ring into the data buffer. - */ -static unsigned int i40e_rx_offset(struct i40e_ring *rx_ring) -{ - return ring_uses_build_skb(rx_ring) ? I40E_SKB_PAD : 0; -} - -/** * i40e_setup_rx_descriptors - Allocate Rx descriptors * @rx_ring: Rx descriptor ring (for a specific queue) to setup * @@ -1608,7 +1597,6 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring) rx_ring->next_to_alloc = 0; rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; - rx_ring->rx_offset = i40e_rx_offset(rx_ring); /* XDP RX-queue info only needed for RX rings exposed to XDP */ if (rx_ring->vsi->type == I40E_VSI_MAIN) { @@ -2307,8 +2295,7 @@ int i40e_xmit_xdp_tx_ring(struct xdp_buff *xdp, struct i40e_ring *xdp_ring) * @rx_ring: Rx ring being processed * @xdp: XDP buffer containing the frame **/ -static struct sk_buff *i40e_run_xdp(struct i40e_ring *rx_ring, - struct xdp_buff *xdp) +static int i40e_run_xdp(struct i40e_ring *rx_ring, struct xdp_buff *xdp) { int err, result = I40E_XDP_PASS; struct i40e_ring *xdp_ring; @@ -2347,7 +2334,7 @@ static struct sk_buff *i40e_run_xdp(struct i40e_ring *rx_ring, } xdp_out: rcu_read_unlock(); - return ERR_PTR(-result); + return result; } /** @@ -2460,6 +2447,7 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) unsigned int xdp_xmit = 0; bool failure = false; struct xdp_buff xdp; + int xdp_res = 0; #if (PAGE_SIZE < 8192) frame_sz = i40e_rx_frame_truesize(rx_ring, 0); @@ -2525,12 +2513,10 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) /* At larger PAGE_SIZE, frame_sz depend on len size */ xdp.frame_sz = i40e_rx_frame_truesize(rx_ring, size); #endif - skb = i40e_run_xdp(rx_ring, &xdp); + xdp_res = i40e_run_xdp(rx_ring, &xdp); } - if (IS_ERR(skb)) { - unsigned int xdp_res = -PTR_ERR(skb); - + if (xdp_res) { if (xdp_res & (I40E_XDP_TX | I40E_XDP_REDIR)) { xdp_xmit |= xdp_res; i40e_rx_buffer_flip(rx_ring, rx_buffer, size); @@ -3345,7 +3331,7 @@ static int i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, } /** - * i40e_create_tx_ctx Build the Tx context descriptor + * i40e_create_tx_ctx - Build the Tx context descriptor * @tx_ring: ring to create the descriptor on * @cd_type_cmd_tso_mss: Quad Word 1 * @cd_tunneling: Quad Word 0 - bits 0-31 @@ -3847,8 +3833,8 @@ netdev_tx_t i40e_lan_xmit_frame(struct sk_buff *skb, struct net_device *netdev) * @frames: array of XDP buffer pointers * @flags: XDP extra info * - * Returns number of frames successfully sent. Frames that fail are - * free'ed via XDP return API. + * Returns number of frames successfully sent. Failed frames + * will be free'ed by XDP core. * * For error cases, a negative errno code is returned and no-frames * are transmitted (caller must handle freeing frames). @@ -3861,7 +3847,7 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; struct i40e_ring *xdp_ring; - int drops = 0; + int nxmit = 0; int i; if (test_bit(__I40E_VSI_DOWN, vsi->state)) @@ -3881,14 +3867,13 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, int err; err = i40e_xmit_xdp_ring(xdpf, xdp_ring); - if (err != I40E_XDP_TX) { - xdp_return_frame_rx_napi(xdpf); - drops++; - } + if (err != I40E_XDP_TX) + break; + nxmit++; } if (unlikely(flags & XDP_XMIT_FLUSH)) i40e_xdp_ring_update_tail(xdp_ring); - return n - drops; + return nxmit; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 1b6ec9be155a..eff0a30790dd 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -40,6 +40,66 @@ static void i40e_vc_vf_broadcast(struct i40e_pf *pf, } /** + * i40e_vc_link_speed2mbps + * converts i40e_aq_link_speed to integer value of Mbps + * @link_speed: the speed to convert + * + * return the speed as direct value of Mbps. + **/ +static u32 +i40e_vc_link_speed2mbps(enum i40e_aq_link_speed link_speed) +{ + switch (link_speed) { + case I40E_LINK_SPEED_100MB: + return SPEED_100; + case I40E_LINK_SPEED_1GB: + return SPEED_1000; + case I40E_LINK_SPEED_2_5GB: + return SPEED_2500; + case I40E_LINK_SPEED_5GB: + return SPEED_5000; + case I40E_LINK_SPEED_10GB: + return SPEED_10000; + case I40E_LINK_SPEED_20GB: + return SPEED_20000; + case I40E_LINK_SPEED_25GB: + return SPEED_25000; + case I40E_LINK_SPEED_40GB: + return SPEED_40000; + case I40E_LINK_SPEED_UNKNOWN: + return SPEED_UNKNOWN; + } + return SPEED_UNKNOWN; +} + +/** + * i40e_set_vf_link_state + * @vf: pointer to the VF structure + * @pfe: pointer to PF event structure + * @ls: pointer to link status structure + * + * set a link state on a single vf + **/ +static void i40e_set_vf_link_state(struct i40e_vf *vf, + struct virtchnl_pf_event *pfe, struct i40e_link_status *ls) +{ + u8 link_status = ls->link_info & I40E_AQ_LINK_UP; + + if (vf->link_forced) + link_status = vf->link_up; + + if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) { + pfe->event_data.link_event_adv.link_speed = link_status ? + i40e_vc_link_speed2mbps(ls->link_speed) : 0; + pfe->event_data.link_event_adv.link_status = link_status; + } else { + pfe->event_data.link_event.link_speed = link_status ? + i40e_virtchnl_link_speed(ls->link_speed) : 0; + pfe->event_data.link_event.link_status = link_status; + } +} + +/** * i40e_vc_notify_vf_link_state * @vf: pointer to the VF structure * @@ -55,16 +115,9 @@ static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf) pfe.event = VIRTCHNL_EVENT_LINK_CHANGE; pfe.severity = PF_EVENT_SEVERITY_INFO; - if (vf->link_forced) { - pfe.event_data.link_event.link_status = vf->link_up; - pfe.event_data.link_event.link_speed = - (vf->link_up ? i40e_virtchnl_link_speed(ls->link_speed) : 0); - } else { - pfe.event_data.link_event.link_status = - ls->link_info & I40E_AQ_LINK_UP; - pfe.event_data.link_event.link_speed = - i40e_virtchnl_link_speed(ls->link_speed); - } + + i40e_set_vf_link_state(vf, &pfe, ls); + i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT, 0, (u8 *)&pfe, sizeof(pfe), NULL); } @@ -137,6 +190,7 @@ void i40e_vc_notify_vf_reset(struct i40e_vf *vf) **/ static inline void i40e_vc_disable_vf(struct i40e_vf *vf) { + struct i40e_pf *pf = vf->pf; int i; i40e_vc_notify_vf_reset(vf); @@ -147,6 +201,11 @@ static inline void i40e_vc_disable_vf(struct i40e_vf *vf) * ensure a reset. */ for (i = 0; i < 20; i++) { + /* If PF is in VFs releasing state reset VF is impossible, + * so leave it. + */ + if (test_bit(__I40E_VFS_RELEASING, pf->state)) + return; if (i40e_reset_vf(vf, false)) return; usleep_range(10000, 20000); @@ -1574,6 +1633,8 @@ void i40e_free_vfs(struct i40e_pf *pf) if (!pf->vf) return; + + set_bit(__I40E_VFS_RELEASING, pf->state); while (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) usleep_range(1000, 2000); @@ -1631,6 +1692,7 @@ void i40e_free_vfs(struct i40e_pf *pf) } } clear_bit(__I40E_VF_DISABLE, pf->state); + clear_bit(__I40E_VFS_RELEASING, pf->state); } #ifdef CONFIG_PCI_IOV @@ -1940,6 +2002,7 @@ static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) VIRTCHNL_VF_OFFLOAD_VLAN; vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2; + vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED; vsi = pf->vsi[vf->lan_vsi_idx]; if (!vsi->info.pvid) vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN; @@ -3687,26 +3750,8 @@ static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg) } /* get link speed in MB to validate rate limit */ - switch (ls->link_speed) { - case VIRTCHNL_LINK_SPEED_100MB: - speed = SPEED_100; - break; - case VIRTCHNL_LINK_SPEED_1GB: - speed = SPEED_1000; - break; - case VIRTCHNL_LINK_SPEED_10GB: - speed = SPEED_10000; - break; - case VIRTCHNL_LINK_SPEED_20GB: - speed = SPEED_20000; - break; - case VIRTCHNL_LINK_SPEED_25GB: - speed = SPEED_25000; - break; - case VIRTCHNL_LINK_SPEED_40GB: - speed = SPEED_40000; - break; - default: + speed = i40e_vc_link_speed2mbps(ls->link_speed); + if (speed == SPEED_UNKNOWN) { dev_err(&pf->pdev->dev, "Cannot detect link speed\n"); aq_ret = I40E_ERR_PARAM; @@ -4455,23 +4500,17 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) switch (link) { case IFLA_VF_LINK_STATE_AUTO: vf->link_forced = false; - pfe.event_data.link_event.link_status = - pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; - pfe.event_data.link_event.link_speed = - (enum virtchnl_link_speed) - pf->hw.phy.link_info.link_speed; + i40e_set_vf_link_state(vf, &pfe, ls); break; case IFLA_VF_LINK_STATE_ENABLE: vf->link_forced = true; vf->link_up = true; - pfe.event_data.link_event.link_status = true; - pfe.event_data.link_event.link_speed = i40e_virtchnl_link_speed(ls->link_speed); + i40e_set_vf_link_state(vf, &pfe, ls); break; case IFLA_VF_LINK_STATE_DISABLE: vf->link_forced = true; vf->link_up = false; - pfe.event_data.link_event.link_status = false; - pfe.event_data.link_event.link_speed = 0; + i40e_set_vf_link_state(vf, &pfe, ls); break; default: ret = -EINVAL; diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index fc32c5019b0f..46d884417c63 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -160,6 +160,13 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp) xdp_prog = READ_ONCE(rx_ring->xdp_prog); act = bpf_prog_run_xdp(xdp_prog, xdp); + if (likely(act == XDP_REDIRECT)) { + err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog); + result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED; + rcu_read_unlock(); + return result; + } + switch (act) { case XDP_PASS: break; @@ -167,10 +174,6 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp) xdp_ring = rx_ring->vsi->xdp_rings[rx_ring->queue_index]; result = i40e_xmit_xdp_tx_ring(xdp, xdp_ring); break; - case XDP_REDIRECT: - err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog); - result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED; - break; default: bpf_warn_invalid_xdp_action(act); fallthrough; @@ -471,7 +474,7 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget) nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, descs, budget); if (!nb_pkts) - return false; + return true; if (xdp_ring->next_to_use + nb_pkts >= xdp_ring->count) { nb_processed = xdp_ring->count - xdp_ring->next_to_use; @@ -488,7 +491,7 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget) i40e_update_tx_stats(xdp_ring, nb_pkts, total_bytes); - return true; + return nb_pkts < budget; } /** @@ -625,7 +628,7 @@ void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring) } /** - * i40e_xsk_clean_xdp_ring - Clean the XDP Tx ring on shutdown + * i40e_xsk_clean_tx_ring - Clean the XDP Tx ring on shutdown * @tx_ring: XDP Tx ring **/ void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring) |