diff options
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_fcoe.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 190 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h | 3 |
6 files changed, 196 insertions, 22 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 21925876a633..71092a983500 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -50,6 +50,7 @@ #include <net/ip6_checksum.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> +#include <linux/if_bridge.h> #include <linux/clocksource.h> #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> @@ -410,6 +411,7 @@ struct i40e_veb { u16 uplink_seid; u16 stats_idx; /* index of VEB parent */ u8 enabled_tc; + u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ u16 flags; u16 bw_limit; u8 bw_max_quanta; @@ -735,6 +737,7 @@ int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); void i40e_ptp_init(struct i40e_pf *pf); void i40e_ptp_stop(struct i40e_pf *pf); +int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); #if IS_ENABLED(CONFIG_CONFIGFS_FS) int i40e_configfs_init(void); void i40e_configfs_exit(void); diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 43a6bf0f356f..30cf0be7d1b2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -921,9 +921,10 @@ static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) return; } dev_info(&pf->pdev->dev, - "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n", + "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, - veb->uplink_seid); + veb->uplink_seid, + veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); i40e_dbg_dump_eth_stats(pf, &veb->stats); } diff --git a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c index 8b5bf16d3270..cc11868c92ad 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c +++ b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 - 2014 Intel Corporation. + * Copyright(c) 2013 - 2015 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -385,8 +385,7 @@ int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt) ctxt->flags = I40E_AQ_VSI_TYPE_PF; /* FCoE VSI would need the following sections */ - info->valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID | - I40E_AQ_VSI_PROP_QUEUE_OPT_VALID); + info->valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID); /* FCoE VSI does not need these sections */ info->valid_sections &= cpu_to_le16(~(I40E_AQ_VSI_PROP_SECURITY_VALID | @@ -395,7 +394,12 @@ int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt) I40E_AQ_VSI_PROP_INGRESS_UP_VALID | I40E_AQ_VSI_PROP_EGRESS_UP_VALID)); - info->switch_id = cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + if (i40e_is_vsi_uplink_mode_veb(vsi)) { + info->valid_sections |= + cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); + info->switch_id = + cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + } enabled_tc = i40e_get_fcoe_tc_map(pf); i40e_vsi_setup_queue_map(vsi, ctxt, enabled_tc, true); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index eb2655f464b3..97a759a8eb02 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -5872,6 +5872,26 @@ static void i40e_verify_eeprom(struct i40e_pf *pf) } /** + * i40e_config_bridge_mode - Configure the HW bridge mode + * @veb: pointer to the bridge instance + * + * Configure the loop back mode for the LAN VSI that is downlink to the + * specified HW bridge instance. It is expected this function is called + * when a new HW bridge is instantiated. + **/ +static void i40e_config_bridge_mode(struct i40e_veb *veb) +{ + struct i40e_pf *pf = veb->pf; + + dev_info(&pf->pdev->dev, "enabling bridge mode: %s\n", + veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); + if (veb->bridge_mode & BRIDGE_MODE_VEPA) + i40e_disable_pf_switch_lb(pf); + else + i40e_enable_pf_switch_lb(pf); +} + +/** * i40e_reconstitute_veb - rebuild the VEB and anything connected to it * @veb: pointer to the VEB instance * @@ -5917,8 +5937,7 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) if (ret) goto end_reconstitute; - /* Enable LB mode for the main VSI now that it is on a VEB */ - i40e_enable_pf_switch_lb(pf); + i40e_config_bridge_mode(veb); /* create the remaining VSIs attached to this VEB */ for (v = 0; v < pf->num_alloc_vsi; v++) { @@ -7737,6 +7756,118 @@ static int i40e_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], return err; } +#ifdef HAVE_BRIDGE_ATTRIBS +/** + * i40e_ndo_bridge_setlink - Set the hardware bridge mode + * @dev: the netdev being configured + * @nlh: RTNL message + * + * Inserts a new hardware bridge if not already created and + * enables the bridging mode requested (VEB or VEPA). If the + * hardware bridge has already been inserted and the request + * is to change the mode then that requires a PF reset to + * allow rebuild of the components with required hardware + * bridge mode enabled. + **/ +static int i40e_ndo_bridge_setlink(struct net_device *dev, + struct nlmsghdr *nlh) +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + struct i40e_veb *veb = NULL; + struct nlattr *attr, *br_spec; + int i, rem; + + /* Only for PF VSI for now */ + if (vsi->seid != pf->vsi[pf->lan_vsi]->seid) + return -EOPNOTSUPP; + + /* Find the HW bridge for PF VSI */ + for (i = 0; i < I40E_MAX_VEB && !veb; i++) { + if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid) + veb = pf->veb[i]; + } + + br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); + + nla_for_each_nested(attr, br_spec, rem) { + __u16 mode; + + if (nla_type(attr) != IFLA_BRIDGE_MODE) + continue; + + mode = nla_get_u16(attr); + if ((mode != BRIDGE_MODE_VEPA) && + (mode != BRIDGE_MODE_VEB)) + return -EINVAL; + + /* Insert a new HW bridge */ + if (!veb) { + veb = i40e_veb_setup(pf, 0, vsi->uplink_seid, vsi->seid, + vsi->tc_config.enabled_tc); + if (veb) { + veb->bridge_mode = mode; + i40e_config_bridge_mode(veb); + } else { + /* No Bridge HW offload available */ + return -ENOENT; + } + break; + } else if (mode != veb->bridge_mode) { + /* Existing HW bridge but different mode needs reset */ + veb->bridge_mode = mode; + i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); + break; + } + } + + return 0; +} + +/** + * i40e_ndo_bridge_getlink - Get the hardware bridge mode + * @skb: skb buff + * @pid: process id + * @seq: RTNL message seq # + * @dev: the netdev being configured + * @filter_mask: unused + * + * Return the mode in which the hardware bridge is operating in + * i.e VEB or VEPA. + **/ +#ifdef HAVE_BRIDGE_FILTER +static int i40e_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, + struct net_device *dev, + u32 __always_unused filter_mask) +#else +static int i40e_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, + struct net_device *dev) +#endif /* HAVE_BRIDGE_FILTER */ +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + struct i40e_veb *veb = NULL; + int i; + + /* Only for PF VSI for now */ + if (vsi->seid != pf->vsi[pf->lan_vsi]->seid) + return -EOPNOTSUPP; + + /* Find the HW bridge for the PF VSI */ + for (i = 0; i < I40E_MAX_VEB && !veb; i++) { + if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid) + veb = pf->veb[i]; + } + + if (!veb) + return 0; + + return ndo_dflt_bridge_getlink(skb, pid, seq, dev, veb->bridge_mode); +} +#endif /* HAVE_BRIDGE_ATTRIBS */ + const struct net_device_ops i40e_netdev_ops = { .ndo_open = i40e_open, .ndo_stop = i40e_close, @@ -7771,6 +7902,10 @@ const struct net_device_ops i40e_netdev_ops = { #endif .ndo_get_phys_port_id = i40e_get_phys_port_id, .ndo_fdb_add = i40e_ndo_fdb_add, +#ifdef HAVE_BRIDGE_ATTRIBS + .ndo_bridge_getlink = i40e_ndo_bridge_getlink, + .ndo_bridge_setlink = i40e_ndo_bridge_setlink, +#endif /* HAVE_BRIDGE_ATTRIBS */ }; /** @@ -7883,6 +8018,30 @@ static void i40e_vsi_delete(struct i40e_vsi *vsi) } /** + * i40e_is_vsi_uplink_mode_veb - Check if the VSI's uplink bridge mode is VEB + * @vsi: the VSI being queried + * + * Returns 1 if HW bridge mode is VEB and return 0 in case of VEPA mode + **/ +int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi) +{ + struct i40e_veb *veb; + struct i40e_pf *pf = vsi->back; + + /* Uplink is not a bridge so default to VEB */ + if (vsi->veb_idx == I40E_NO_VEB) + return 1; + + veb = pf->veb[vsi->veb_idx]; + /* Uplink is a bridge in VEPA mode */ + if (veb && (veb->bridge_mode & BRIDGE_MODE_VEPA)) + return 0; + + /* Uplink is a bridge in VEB mode */ + return 1; +} + +/** * i40e_add_vsi - Add a VSI to the switch * @vsi: the VSI being configured * @@ -7969,10 +8128,12 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) ctxt.uplink_seid = vsi->uplink_seid; ctxt.connection_type = I40E_AQ_VSI_CONN_TYPE_NORMAL; ctxt.flags = I40E_AQ_VSI_TYPE_PF; - ctxt.info.valid_sections |= + if (i40e_is_vsi_uplink_mode_veb(vsi)) { + ctxt.info.valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); - ctxt.info.switch_id = + ctxt.info.switch_id = cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + } i40e_vsi_setup_queue_map(vsi, &ctxt, enabled_tc, true); break; @@ -7983,13 +8144,15 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) ctxt.connection_type = I40E_AQ_VSI_CONN_TYPE_NORMAL; ctxt.flags = I40E_AQ_VSI_TYPE_VMDQ2; - ctxt.info.valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); - /* This VSI is connected to VEB so the switch_id * should be set to zero by default. */ - ctxt.info.switch_id = 0; - ctxt.info.switch_id |= cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + if (i40e_is_vsi_uplink_mode_veb(vsi)) { + ctxt.info.valid_sections |= + cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); + ctxt.info.switch_id = + cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + } /* Setup the VSI tx/rx queue map for TC0 only for now */ i40e_vsi_setup_queue_map(vsi, &ctxt, enabled_tc, true); @@ -8002,12 +8165,15 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) ctxt.connection_type = I40E_AQ_VSI_CONN_TYPE_NORMAL; ctxt.flags = I40E_AQ_VSI_TYPE_VF; - ctxt.info.valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); - /* This VSI is connected to VEB so the switch_id * should be set to zero by default. */ - ctxt.info.switch_id = cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + if (i40e_is_vsi_uplink_mode_veb(vsi)) { + ctxt.info.valid_sections |= + cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); + ctxt.info.switch_id = + cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + } ctxt.info.valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID); ctxt.info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_MODE_ALL; @@ -8365,7 +8531,7 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, __func__); return NULL; } - i40e_enable_pf_switch_lb(pf); + i40e_config_bridge_mode(veb); } for (i = 0; i < I40E_MAX_VEB && !veb; i++) { if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 5450b9f1aa3a..493335caa276 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 - 2014 Intel Corporation. + * Copyright(c) 2013 - 2015 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -752,7 +752,7 @@ void i40e_enable_pf_switch_lb(struct i40e_pf *pf) * * disable switch loop back or die - no point in a return value **/ -static void i40e_disable_pf_switch_lb(struct i40e_pf *pf) +void i40e_disable_pf_switch_lb(struct i40e_pf *pf) { struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; struct i40e_vsi_context ctxt; @@ -891,7 +891,6 @@ int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) } pf->num_alloc_vfs = num_alloc_vfs; - i40e_enable_pf_switch_lb(pf); err_alloc: if (ret) i40e_free_vfs(pf); diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h index 9452f5247cff..ef777a62e393 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 - 2014 Intel Corporation. + * Copyright(c) 2013 - 2015 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -127,5 +127,6 @@ int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable); void i40e_vc_notify_link_state(struct i40e_pf *pf); void i40e_vc_notify_reset(struct i40e_pf *pf); void i40e_enable_pf_switch_lb(struct i40e_pf *pf); +void i40e_disable_pf_switch_lb(struct i40e_pf *pf); #endif /* _I40E_VIRTCHNL_PF_H_ */ |