137165e3fSMichal Swiatkowski // SPDX-License-Identifier: GPL-2.0
237165e3fSMichal Swiatkowski /* Copyright (C) 2019-2021, Intel Corporation. */
337165e3fSMichal Swiatkowski
437165e3fSMichal Swiatkowski #include "ice.h"
537165e3fSMichal Swiatkowski #include "ice_eswitch.h"
637165e3fSMichal Swiatkowski #include "ice_devlink.h"
70deb0bf7SJacob Keller #include "ice_sriov.h"
87fde6d8bSMichal Swiatkowski #include "ice_tc_lib.h"
980fe30a8SMichal Wilczynski #include "ice_dcb_lib.h"
1037165e3fSMichal Swiatkowski
1137165e3fSMichal Swiatkowski /**
1237165e3fSMichal Swiatkowski * ice_repr_get_sw_port_id - get port ID associated with representor
1337165e3fSMichal Swiatkowski * @repr: pointer to port representor
1437165e3fSMichal Swiatkowski */
ice_repr_get_sw_port_id(struct ice_repr * repr)1537165e3fSMichal Swiatkowski static int ice_repr_get_sw_port_id(struct ice_repr *repr)
1637165e3fSMichal Swiatkowski {
1737165e3fSMichal Swiatkowski return repr->vf->pf->hw.port_info->lport;
1837165e3fSMichal Swiatkowski }
1937165e3fSMichal Swiatkowski
2037165e3fSMichal Swiatkowski /**
2137165e3fSMichal Swiatkowski * ice_repr_get_phys_port_name - get phys port name
2237165e3fSMichal Swiatkowski * @netdev: pointer to port representor netdev
2337165e3fSMichal Swiatkowski * @buf: write here port name
2437165e3fSMichal Swiatkowski * @len: max length of buf
2537165e3fSMichal Swiatkowski */
2637165e3fSMichal Swiatkowski static int
ice_repr_get_phys_port_name(struct net_device * netdev,char * buf,size_t len)2737165e3fSMichal Swiatkowski ice_repr_get_phys_port_name(struct net_device *netdev, char *buf, size_t len)
2837165e3fSMichal Swiatkowski {
2937165e3fSMichal Swiatkowski struct ice_netdev_priv *np = netdev_priv(netdev);
3037165e3fSMichal Swiatkowski struct ice_repr *repr = np->repr;
3137165e3fSMichal Swiatkowski int res;
3237165e3fSMichal Swiatkowski
3337165e3fSMichal Swiatkowski /* Devlink port is registered and devlink core is taking care of name formatting. */
3437165e3fSMichal Swiatkowski if (repr->vf->devlink_port.devlink)
3537165e3fSMichal Swiatkowski return -EOPNOTSUPP;
3637165e3fSMichal Swiatkowski
3737165e3fSMichal Swiatkowski res = snprintf(buf, len, "pf%dvfr%d", ice_repr_get_sw_port_id(repr),
3837165e3fSMichal Swiatkowski repr->vf->vf_id);
3937165e3fSMichal Swiatkowski if (res <= 0)
4037165e3fSMichal Swiatkowski return -EOPNOTSUPP;
4137165e3fSMichal Swiatkowski return 0;
4237165e3fSMichal Swiatkowski }
4337165e3fSMichal Swiatkowski
4437165e3fSMichal Swiatkowski /**
457aae80ceSWojciech Drewek * ice_repr_get_stats64 - get VF stats for VFPR use
467aae80ceSWojciech Drewek * @netdev: pointer to port representor netdev
477aae80ceSWojciech Drewek * @stats: pointer to struct where stats can be stored
487aae80ceSWojciech Drewek */
497aae80ceSWojciech Drewek static void
ice_repr_get_stats64(struct net_device * netdev,struct rtnl_link_stats64 * stats)507aae80ceSWojciech Drewek ice_repr_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
517aae80ceSWojciech Drewek {
527aae80ceSWojciech Drewek struct ice_netdev_priv *np = netdev_priv(netdev);
537aae80ceSWojciech Drewek struct ice_eth_stats *eth_stats;
547aae80ceSWojciech Drewek struct ice_vsi *vsi;
557aae80ceSWojciech Drewek
567aae80ceSWojciech Drewek if (ice_is_vf_disabled(np->repr->vf))
577aae80ceSWojciech Drewek return;
587aae80ceSWojciech Drewek vsi = np->repr->src_vsi;
597aae80ceSWojciech Drewek
607aae80ceSWojciech Drewek ice_update_vsi_stats(vsi);
617aae80ceSWojciech Drewek eth_stats = &vsi->eth_stats;
627aae80ceSWojciech Drewek
637aae80ceSWojciech Drewek stats->tx_packets = eth_stats->tx_unicast + eth_stats->tx_broadcast +
647aae80ceSWojciech Drewek eth_stats->tx_multicast;
657aae80ceSWojciech Drewek stats->rx_packets = eth_stats->rx_unicast + eth_stats->rx_broadcast +
667aae80ceSWojciech Drewek eth_stats->rx_multicast;
677aae80ceSWojciech Drewek stats->tx_bytes = eth_stats->tx_bytes;
687aae80ceSWojciech Drewek stats->rx_bytes = eth_stats->rx_bytes;
697aae80ceSWojciech Drewek stats->multicast = eth_stats->rx_multicast;
707aae80ceSWojciech Drewek stats->tx_errors = eth_stats->tx_errors;
717aae80ceSWojciech Drewek stats->tx_dropped = eth_stats->tx_discards;
727aae80ceSWojciech Drewek stats->rx_dropped = eth_stats->rx_discards;
737aae80ceSWojciech Drewek }
747aae80ceSWojciech Drewek
757aae80ceSWojciech Drewek /**
7637165e3fSMichal Swiatkowski * ice_netdev_to_repr - Get port representor for given netdevice
7737165e3fSMichal Swiatkowski * @netdev: pointer to port representor netdev
7837165e3fSMichal Swiatkowski */
ice_netdev_to_repr(struct net_device * netdev)7937165e3fSMichal Swiatkowski struct ice_repr *ice_netdev_to_repr(struct net_device *netdev)
8037165e3fSMichal Swiatkowski {
8137165e3fSMichal Swiatkowski struct ice_netdev_priv *np = netdev_priv(netdev);
8237165e3fSMichal Swiatkowski
8337165e3fSMichal Swiatkowski return np->repr;
8437165e3fSMichal Swiatkowski }
8537165e3fSMichal Swiatkowski
8637165e3fSMichal Swiatkowski /**
8737165e3fSMichal Swiatkowski * ice_repr_open - Enable port representor's network interface
8837165e3fSMichal Swiatkowski * @netdev: network interface device structure
8937165e3fSMichal Swiatkowski *
9037165e3fSMichal Swiatkowski * The open entry point is called when a port representor's network
9137165e3fSMichal Swiatkowski * interface is made active by the system (IFF_UP). Corresponding
9237165e3fSMichal Swiatkowski * VF is notified about link status change.
9337165e3fSMichal Swiatkowski *
9437165e3fSMichal Swiatkowski * Returns 0 on success
9537165e3fSMichal Swiatkowski */
ice_repr_open(struct net_device * netdev)9637165e3fSMichal Swiatkowski static int ice_repr_open(struct net_device *netdev)
9737165e3fSMichal Swiatkowski {
9837165e3fSMichal Swiatkowski struct ice_repr *repr = ice_netdev_to_repr(netdev);
9937165e3fSMichal Swiatkowski struct ice_vf *vf;
10037165e3fSMichal Swiatkowski
10137165e3fSMichal Swiatkowski vf = repr->vf;
10237165e3fSMichal Swiatkowski vf->link_forced = true;
10337165e3fSMichal Swiatkowski vf->link_up = true;
10437165e3fSMichal Swiatkowski ice_vc_notify_vf_link_state(vf);
10537165e3fSMichal Swiatkowski
10637165e3fSMichal Swiatkowski netif_carrier_on(netdev);
10737165e3fSMichal Swiatkowski netif_tx_start_all_queues(netdev);
10837165e3fSMichal Swiatkowski
10937165e3fSMichal Swiatkowski return 0;
11037165e3fSMichal Swiatkowski }
11137165e3fSMichal Swiatkowski
11237165e3fSMichal Swiatkowski /**
11337165e3fSMichal Swiatkowski * ice_repr_stop - Disable port representor's network interface
11437165e3fSMichal Swiatkowski * @netdev: network interface device structure
11537165e3fSMichal Swiatkowski *
11637165e3fSMichal Swiatkowski * The stop entry point is called when a port representor's network
11737165e3fSMichal Swiatkowski * interface is de-activated by the system. Corresponding
11837165e3fSMichal Swiatkowski * VF is notified about link status change.
11937165e3fSMichal Swiatkowski *
12037165e3fSMichal Swiatkowski * Returns 0 on success
12137165e3fSMichal Swiatkowski */
ice_repr_stop(struct net_device * netdev)12237165e3fSMichal Swiatkowski static int ice_repr_stop(struct net_device *netdev)
12337165e3fSMichal Swiatkowski {
12437165e3fSMichal Swiatkowski struct ice_repr *repr = ice_netdev_to_repr(netdev);
12537165e3fSMichal Swiatkowski struct ice_vf *vf;
12637165e3fSMichal Swiatkowski
12737165e3fSMichal Swiatkowski vf = repr->vf;
12837165e3fSMichal Swiatkowski vf->link_forced = true;
12937165e3fSMichal Swiatkowski vf->link_up = false;
13037165e3fSMichal Swiatkowski ice_vc_notify_vf_link_state(vf);
13137165e3fSMichal Swiatkowski
13237165e3fSMichal Swiatkowski netif_carrier_off(netdev);
13337165e3fSMichal Swiatkowski netif_tx_stop_all_queues(netdev);
13437165e3fSMichal Swiatkowski
13537165e3fSMichal Swiatkowski return 0;
13637165e3fSMichal Swiatkowski }
13737165e3fSMichal Swiatkowski
138c8ff29b5SMarcin Szycik /**
139c8ff29b5SMarcin Szycik * ice_repr_sp_stats64 - get slow path stats for port representor
140c8ff29b5SMarcin Szycik * @dev: network interface device structure
141c8ff29b5SMarcin Szycik * @stats: netlink stats structure
142c8ff29b5SMarcin Szycik *
143c8ff29b5SMarcin Szycik * RX/TX stats are being swapped here to be consistent with VF stats. In slow
144c8ff29b5SMarcin Szycik * path, port representor receives data when the corresponding VF is sending it
145c8ff29b5SMarcin Szycik * (and vice versa), TX and RX bytes/packets are effectively swapped on port
146c8ff29b5SMarcin Szycik * representor.
147c8ff29b5SMarcin Szycik */
148c8ff29b5SMarcin Szycik static int
ice_repr_sp_stats64(const struct net_device * dev,struct rtnl_link_stats64 * stats)149c8ff29b5SMarcin Szycik ice_repr_sp_stats64(const struct net_device *dev,
150c8ff29b5SMarcin Szycik struct rtnl_link_stats64 *stats)
151c8ff29b5SMarcin Szycik {
152c8ff29b5SMarcin Szycik struct ice_netdev_priv *np = netdev_priv(dev);
153c8ff29b5SMarcin Szycik int vf_id = np->repr->vf->vf_id;
154c8ff29b5SMarcin Szycik struct ice_tx_ring *tx_ring;
155c8ff29b5SMarcin Szycik struct ice_rx_ring *rx_ring;
156c8ff29b5SMarcin Szycik u64 pkts, bytes;
157c8ff29b5SMarcin Szycik
158c8ff29b5SMarcin Szycik tx_ring = np->vsi->tx_rings[vf_id];
159288ecf49SBenjamin Mikailenko ice_fetch_u64_stats_per_ring(&tx_ring->ring_stats->syncp,
160288ecf49SBenjamin Mikailenko tx_ring->ring_stats->stats,
161c8ff29b5SMarcin Szycik &pkts, &bytes);
162c8ff29b5SMarcin Szycik stats->rx_packets = pkts;
163c8ff29b5SMarcin Szycik stats->rx_bytes = bytes;
164c8ff29b5SMarcin Szycik
165c8ff29b5SMarcin Szycik rx_ring = np->vsi->rx_rings[vf_id];
166288ecf49SBenjamin Mikailenko ice_fetch_u64_stats_per_ring(&rx_ring->ring_stats->syncp,
167288ecf49SBenjamin Mikailenko rx_ring->ring_stats->stats,
168c8ff29b5SMarcin Szycik &pkts, &bytes);
169c8ff29b5SMarcin Szycik stats->tx_packets = pkts;
170c8ff29b5SMarcin Szycik stats->tx_bytes = bytes;
171288ecf49SBenjamin Mikailenko stats->tx_dropped = rx_ring->ring_stats->rx_stats.alloc_page_failed +
172288ecf49SBenjamin Mikailenko rx_ring->ring_stats->rx_stats.alloc_buf_failed;
173c8ff29b5SMarcin Szycik
174c8ff29b5SMarcin Szycik return 0;
175c8ff29b5SMarcin Szycik }
176c8ff29b5SMarcin Szycik
177c8ff29b5SMarcin Szycik static bool
ice_repr_ndo_has_offload_stats(const struct net_device * dev,int attr_id)178c8ff29b5SMarcin Szycik ice_repr_ndo_has_offload_stats(const struct net_device *dev, int attr_id)
179c8ff29b5SMarcin Szycik {
180c8ff29b5SMarcin Szycik return attr_id == IFLA_OFFLOAD_XSTATS_CPU_HIT;
181c8ff29b5SMarcin Szycik }
182c8ff29b5SMarcin Szycik
183c8ff29b5SMarcin Szycik static int
ice_repr_ndo_get_offload_stats(int attr_id,const struct net_device * dev,void * sp)184c8ff29b5SMarcin Szycik ice_repr_ndo_get_offload_stats(int attr_id, const struct net_device *dev,
185c8ff29b5SMarcin Szycik void *sp)
186c8ff29b5SMarcin Szycik {
187c8ff29b5SMarcin Szycik if (attr_id == IFLA_OFFLOAD_XSTATS_CPU_HIT)
188c8ff29b5SMarcin Szycik return ice_repr_sp_stats64(dev, (struct rtnl_link_stats64 *)sp);
189c8ff29b5SMarcin Szycik
190c8ff29b5SMarcin Szycik return -EINVAL;
191c8ff29b5SMarcin Szycik }
192c8ff29b5SMarcin Szycik
1937fde6d8bSMichal Swiatkowski static int
ice_repr_setup_tc_cls_flower(struct ice_repr * repr,struct flow_cls_offload * flower)1947fde6d8bSMichal Swiatkowski ice_repr_setup_tc_cls_flower(struct ice_repr *repr,
1957fde6d8bSMichal Swiatkowski struct flow_cls_offload *flower)
1967fde6d8bSMichal Swiatkowski {
1977fde6d8bSMichal Swiatkowski switch (flower->command) {
1987fde6d8bSMichal Swiatkowski case FLOW_CLS_REPLACE:
1997fde6d8bSMichal Swiatkowski return ice_add_cls_flower(repr->netdev, repr->src_vsi, flower);
2007fde6d8bSMichal Swiatkowski case FLOW_CLS_DESTROY:
2017fde6d8bSMichal Swiatkowski return ice_del_cls_flower(repr->src_vsi, flower);
2027fde6d8bSMichal Swiatkowski default:
2037fde6d8bSMichal Swiatkowski return -EINVAL;
2047fde6d8bSMichal Swiatkowski }
2057fde6d8bSMichal Swiatkowski }
2067fde6d8bSMichal Swiatkowski
2077fde6d8bSMichal Swiatkowski static int
ice_repr_setup_tc_block_cb(enum tc_setup_type type,void * type_data,void * cb_priv)2087fde6d8bSMichal Swiatkowski ice_repr_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
2097fde6d8bSMichal Swiatkowski void *cb_priv)
2107fde6d8bSMichal Swiatkowski {
2117fde6d8bSMichal Swiatkowski struct flow_cls_offload *flower = (struct flow_cls_offload *)type_data;
2127fde6d8bSMichal Swiatkowski struct ice_netdev_priv *np = (struct ice_netdev_priv *)cb_priv;
2137fde6d8bSMichal Swiatkowski
2147fde6d8bSMichal Swiatkowski switch (type) {
2157fde6d8bSMichal Swiatkowski case TC_SETUP_CLSFLOWER:
2167fde6d8bSMichal Swiatkowski return ice_repr_setup_tc_cls_flower(np->repr, flower);
2177fde6d8bSMichal Swiatkowski default:
2187fde6d8bSMichal Swiatkowski return -EOPNOTSUPP;
2197fde6d8bSMichal Swiatkowski }
2207fde6d8bSMichal Swiatkowski }
2217fde6d8bSMichal Swiatkowski
2227fde6d8bSMichal Swiatkowski static LIST_HEAD(ice_repr_block_cb_list);
2237fde6d8bSMichal Swiatkowski
2247fde6d8bSMichal Swiatkowski static int
ice_repr_setup_tc(struct net_device * netdev,enum tc_setup_type type,void * type_data)2257fde6d8bSMichal Swiatkowski ice_repr_setup_tc(struct net_device *netdev, enum tc_setup_type type,
2267fde6d8bSMichal Swiatkowski void *type_data)
2277fde6d8bSMichal Swiatkowski {
2287fde6d8bSMichal Swiatkowski struct ice_netdev_priv *np = netdev_priv(netdev);
2297fde6d8bSMichal Swiatkowski
2307fde6d8bSMichal Swiatkowski switch (type) {
2317fde6d8bSMichal Swiatkowski case TC_SETUP_BLOCK:
2327fde6d8bSMichal Swiatkowski return flow_block_cb_setup_simple((struct flow_block_offload *)
2337fde6d8bSMichal Swiatkowski type_data,
2347fde6d8bSMichal Swiatkowski &ice_repr_block_cb_list,
2357fde6d8bSMichal Swiatkowski ice_repr_setup_tc_block_cb,
2367fde6d8bSMichal Swiatkowski np, np, true);
2377fde6d8bSMichal Swiatkowski default:
2387fde6d8bSMichal Swiatkowski return -EOPNOTSUPP;
2397fde6d8bSMichal Swiatkowski }
2407fde6d8bSMichal Swiatkowski }
2417fde6d8bSMichal Swiatkowski
24237165e3fSMichal Swiatkowski static const struct net_device_ops ice_repr_netdev_ops = {
24337165e3fSMichal Swiatkowski .ndo_get_phys_port_name = ice_repr_get_phys_port_name,
2447aae80ceSWojciech Drewek .ndo_get_stats64 = ice_repr_get_stats64,
24537165e3fSMichal Swiatkowski .ndo_open = ice_repr_open,
24637165e3fSMichal Swiatkowski .ndo_stop = ice_repr_stop,
247f5396b8aSGrzegorz Nitka .ndo_start_xmit = ice_eswitch_port_start_xmit,
2487fde6d8bSMichal Swiatkowski .ndo_setup_tc = ice_repr_setup_tc,
249c8ff29b5SMarcin Szycik .ndo_has_offload_stats = ice_repr_ndo_has_offload_stats,
250c8ff29b5SMarcin Szycik .ndo_get_offload_stats = ice_repr_ndo_get_offload_stats,
25137165e3fSMichal Swiatkowski };
25237165e3fSMichal Swiatkowski
25337165e3fSMichal Swiatkowski /**
25437165e3fSMichal Swiatkowski * ice_is_port_repr_netdev - Check if a given netdevice is a port representor netdev
25537165e3fSMichal Swiatkowski * @netdev: pointer to netdev
25637165e3fSMichal Swiatkowski */
ice_is_port_repr_netdev(const struct net_device * netdev)257*f6e8fb55SWojciech Drewek bool ice_is_port_repr_netdev(const struct net_device *netdev)
25837165e3fSMichal Swiatkowski {
25937165e3fSMichal Swiatkowski return netdev && (netdev->netdev_ops == &ice_repr_netdev_ops);
26037165e3fSMichal Swiatkowski }
26137165e3fSMichal Swiatkowski
26237165e3fSMichal Swiatkowski /**
26337165e3fSMichal Swiatkowski * ice_repr_reg_netdev - register port representor netdev
26437165e3fSMichal Swiatkowski * @netdev: pointer to port representor netdev
26537165e3fSMichal Swiatkowski */
26637165e3fSMichal Swiatkowski static int
ice_repr_reg_netdev(struct net_device * netdev)26737165e3fSMichal Swiatkowski ice_repr_reg_netdev(struct net_device *netdev)
26837165e3fSMichal Swiatkowski {
26937165e3fSMichal Swiatkowski eth_hw_addr_random(netdev);
27037165e3fSMichal Swiatkowski netdev->netdev_ops = &ice_repr_netdev_ops;
2717aae80ceSWojciech Drewek ice_set_ethtool_repr_ops(netdev);
27237165e3fSMichal Swiatkowski
2737fde6d8bSMichal Swiatkowski netdev->hw_features |= NETIF_F_HW_TC;
2747fde6d8bSMichal Swiatkowski
27537165e3fSMichal Swiatkowski netif_carrier_off(netdev);
27637165e3fSMichal Swiatkowski netif_tx_stop_all_queues(netdev);
27737165e3fSMichal Swiatkowski
27837165e3fSMichal Swiatkowski return register_netdev(netdev);
27937165e3fSMichal Swiatkowski }
28037165e3fSMichal Swiatkowski
28137165e3fSMichal Swiatkowski /**
28237165e3fSMichal Swiatkowski * ice_repr_add - add representor for VF
28337165e3fSMichal Swiatkowski * @vf: pointer to VF structure
28437165e3fSMichal Swiatkowski */
ice_repr_add(struct ice_vf * vf)28537165e3fSMichal Swiatkowski static int ice_repr_add(struct ice_vf *vf)
28637165e3fSMichal Swiatkowski {
28737165e3fSMichal Swiatkowski struct ice_q_vector *q_vector;
28837165e3fSMichal Swiatkowski struct ice_netdev_priv *np;
28937165e3fSMichal Swiatkowski struct ice_repr *repr;
290baeb705fSJacob Keller struct ice_vsi *vsi;
29137165e3fSMichal Swiatkowski int err;
29237165e3fSMichal Swiatkowski
293baeb705fSJacob Keller vsi = ice_get_vf_vsi(vf);
294baeb705fSJacob Keller if (!vsi)
295baeb705fSJacob Keller return -EINVAL;
296baeb705fSJacob Keller
29737165e3fSMichal Swiatkowski repr = kzalloc(sizeof(*repr), GFP_KERNEL);
29837165e3fSMichal Swiatkowski if (!repr)
29937165e3fSMichal Swiatkowski return -ENOMEM;
30037165e3fSMichal Swiatkowski
30137165e3fSMichal Swiatkowski repr->netdev = alloc_etherdev(sizeof(struct ice_netdev_priv));
30237165e3fSMichal Swiatkowski if (!repr->netdev) {
30337165e3fSMichal Swiatkowski err = -ENOMEM;
30437165e3fSMichal Swiatkowski goto err_alloc;
30537165e3fSMichal Swiatkowski }
30637165e3fSMichal Swiatkowski
307baeb705fSJacob Keller repr->src_vsi = vsi;
30837165e3fSMichal Swiatkowski repr->vf = vf;
30937165e3fSMichal Swiatkowski vf->repr = repr;
31037165e3fSMichal Swiatkowski np = netdev_priv(repr->netdev);
31137165e3fSMichal Swiatkowski np->repr = repr;
31237165e3fSMichal Swiatkowski
31337165e3fSMichal Swiatkowski q_vector = kzalloc(sizeof(*q_vector), GFP_KERNEL);
31437165e3fSMichal Swiatkowski if (!q_vector) {
31537165e3fSMichal Swiatkowski err = -ENOMEM;
31637165e3fSMichal Swiatkowski goto err_alloc_q_vector;
31737165e3fSMichal Swiatkowski }
31837165e3fSMichal Swiatkowski repr->q_vector = q_vector;
31937165e3fSMichal Swiatkowski
32037165e3fSMichal Swiatkowski err = ice_devlink_create_vf_port(vf);
32137165e3fSMichal Swiatkowski if (err)
32237165e3fSMichal Swiatkowski goto err_devlink;
32337165e3fSMichal Swiatkowski
324e984c440SMarcin Szycik repr->netdev->min_mtu = ETH_MIN_MTU;
325e984c440SMarcin Szycik repr->netdev->max_mtu = ICE_MAX_MTU;
326e984c440SMarcin Szycik
3276384b769SMichal Swiatkowski SET_NETDEV_DEV(repr->netdev, ice_pf_to_dev(vf->pf));
328ac73d4bfSJiri Pirko SET_NETDEV_DEVLINK_PORT(repr->netdev, &vf->devlink_port);
32937165e3fSMichal Swiatkowski err = ice_repr_reg_netdev(repr->netdev);
33037165e3fSMichal Swiatkowski if (err)
33137165e3fSMichal Swiatkowski goto err_netdev;
33237165e3fSMichal Swiatkowski
333a7e11710SJacob Keller ice_virtchnl_set_repr_ops(vf);
334df830543SJacob Keller
33537165e3fSMichal Swiatkowski return 0;
33637165e3fSMichal Swiatkowski
33737165e3fSMichal Swiatkowski err_netdev:
33837165e3fSMichal Swiatkowski ice_devlink_destroy_vf_port(vf);
33937165e3fSMichal Swiatkowski err_devlink:
34037165e3fSMichal Swiatkowski kfree(repr->q_vector);
34137165e3fSMichal Swiatkowski vf->repr->q_vector = NULL;
34237165e3fSMichal Swiatkowski err_alloc_q_vector:
34337165e3fSMichal Swiatkowski free_netdev(repr->netdev);
34437165e3fSMichal Swiatkowski repr->netdev = NULL;
34537165e3fSMichal Swiatkowski err_alloc:
34637165e3fSMichal Swiatkowski kfree(repr);
34737165e3fSMichal Swiatkowski vf->repr = NULL;
34837165e3fSMichal Swiatkowski return err;
34937165e3fSMichal Swiatkowski }
35037165e3fSMichal Swiatkowski
35137165e3fSMichal Swiatkowski /**
35237165e3fSMichal Swiatkowski * ice_repr_rem - remove representor from VF
35337165e3fSMichal Swiatkowski * @vf: pointer to VF structure
35437165e3fSMichal Swiatkowski */
ice_repr_rem(struct ice_vf * vf)35537165e3fSMichal Swiatkowski static void ice_repr_rem(struct ice_vf *vf)
35637165e3fSMichal Swiatkowski {
357df830543SJacob Keller if (!vf->repr)
358df830543SJacob Keller return;
359df830543SJacob Keller
36037165e3fSMichal Swiatkowski kfree(vf->repr->q_vector);
36137165e3fSMichal Swiatkowski vf->repr->q_vector = NULL;
36237165e3fSMichal Swiatkowski unregister_netdev(vf->repr->netdev);
363a286ba73SJiri Pirko ice_devlink_destroy_vf_port(vf);
36437165e3fSMichal Swiatkowski free_netdev(vf->repr->netdev);
36537165e3fSMichal Swiatkowski vf->repr->netdev = NULL;
36637165e3fSMichal Swiatkowski kfree(vf->repr);
36737165e3fSMichal Swiatkowski vf->repr = NULL;
368df830543SJacob Keller
369a7e11710SJacob Keller ice_virtchnl_set_dflt_ops(vf);
370df830543SJacob Keller }
371df830543SJacob Keller
372df830543SJacob Keller /**
373df830543SJacob Keller * ice_repr_rem_from_all_vfs - remove port representor for all VFs
374df830543SJacob Keller * @pf: pointer to PF structure
375df830543SJacob Keller */
ice_repr_rem_from_all_vfs(struct ice_pf * pf)376df830543SJacob Keller void ice_repr_rem_from_all_vfs(struct ice_pf *pf)
377df830543SJacob Keller {
37842c2eb6bSMichal Wilczynski struct devlink *devlink;
379c4c2c7dbSJacob Keller struct ice_vf *vf;
380c4c2c7dbSJacob Keller unsigned int bkt;
381df830543SJacob Keller
3823d5985a1SJacob Keller lockdep_assert_held(&pf->vfs.table_lock);
3833d5985a1SJacob Keller
384c4c2c7dbSJacob Keller ice_for_each_vf(pf, bkt, vf)
385df830543SJacob Keller ice_repr_rem(vf);
38642c2eb6bSMichal Wilczynski
38742c2eb6bSMichal Wilczynski /* since all port representors are destroyed, there is
38842c2eb6bSMichal Wilczynski * no point in keeping the nodes
38942c2eb6bSMichal Wilczynski */
39042c2eb6bSMichal Wilczynski devlink = priv_to_devlink(pf);
39142c2eb6bSMichal Wilczynski devl_lock(devlink);
39242c2eb6bSMichal Wilczynski devl_rate_nodes_destroy(devlink);
39342c2eb6bSMichal Wilczynski devl_unlock(devlink);
394df830543SJacob Keller }
39537165e3fSMichal Swiatkowski
39637165e3fSMichal Swiatkowski /**
39737165e3fSMichal Swiatkowski * ice_repr_add_for_all_vfs - add port representor for all VFs
39837165e3fSMichal Swiatkowski * @pf: pointer to PF structure
39937165e3fSMichal Swiatkowski */
ice_repr_add_for_all_vfs(struct ice_pf * pf)40037165e3fSMichal Swiatkowski int ice_repr_add_for_all_vfs(struct ice_pf *pf)
40137165e3fSMichal Swiatkowski {
40242c2eb6bSMichal Wilczynski struct devlink *devlink;
403c4c2c7dbSJacob Keller struct ice_vf *vf;
404c4c2c7dbSJacob Keller unsigned int bkt;
40537165e3fSMichal Swiatkowski int err;
40637165e3fSMichal Swiatkowski
4073d5985a1SJacob Keller lockdep_assert_held(&pf->vfs.table_lock);
4083d5985a1SJacob Keller
409c4c2c7dbSJacob Keller ice_for_each_vf(pf, bkt, vf) {
410ac19e03eSMichal Swiatkowski err = ice_repr_add(vf);
41137165e3fSMichal Swiatkowski if (err)
41237165e3fSMichal Swiatkowski goto err;
41337165e3fSMichal Swiatkowski }
414ac19e03eSMichal Swiatkowski
41580fe30a8SMichal Wilczynski /* only export if ADQ and DCB disabled */
41680fe30a8SMichal Wilczynski if (ice_is_adq_active(pf) || ice_is_dcb_active(pf))
41780fe30a8SMichal Wilczynski return 0;
41880fe30a8SMichal Wilczynski
41942c2eb6bSMichal Wilczynski devlink = priv_to_devlink(pf);
42042c2eb6bSMichal Wilczynski ice_devlink_rate_init_tx_topology(devlink, ice_get_main_vsi(pf));
42142c2eb6bSMichal Wilczynski
42237165e3fSMichal Swiatkowski return 0;
42337165e3fSMichal Swiatkowski
42437165e3fSMichal Swiatkowski err:
425df830543SJacob Keller ice_repr_rem_from_all_vfs(pf);
42637165e3fSMichal Swiatkowski
42737165e3fSMichal Swiatkowski return err;
42837165e3fSMichal Swiatkowski }
42937165e3fSMichal Swiatkowski
43037165e3fSMichal Swiatkowski /**
431b3be918dSGrzegorz Nitka * ice_repr_start_tx_queues - start Tx queues of port representor
432b3be918dSGrzegorz Nitka * @repr: pointer to repr structure
433b3be918dSGrzegorz Nitka */
ice_repr_start_tx_queues(struct ice_repr * repr)434b3be918dSGrzegorz Nitka void ice_repr_start_tx_queues(struct ice_repr *repr)
435b3be918dSGrzegorz Nitka {
436b3be918dSGrzegorz Nitka netif_carrier_on(repr->netdev);
437b3be918dSGrzegorz Nitka netif_tx_start_all_queues(repr->netdev);
438b3be918dSGrzegorz Nitka }
439b3be918dSGrzegorz Nitka
440b3be918dSGrzegorz Nitka /**
441b3be918dSGrzegorz Nitka * ice_repr_stop_tx_queues - stop Tx queues of port representor
442b3be918dSGrzegorz Nitka * @repr: pointer to repr structure
443b3be918dSGrzegorz Nitka */
ice_repr_stop_tx_queues(struct ice_repr * repr)444b3be918dSGrzegorz Nitka void ice_repr_stop_tx_queues(struct ice_repr *repr)
445b3be918dSGrzegorz Nitka {
446b3be918dSGrzegorz Nitka netif_carrier_off(repr->netdev);
447b3be918dSGrzegorz Nitka netif_tx_stop_all_queues(repr->netdev);
448b3be918dSGrzegorz Nitka }
449b3be918dSGrzegorz Nitka
450b3be918dSGrzegorz Nitka /**
4511a1c40dfSGrzegorz Nitka * ice_repr_set_traffic_vsi - set traffic VSI for port representor
4521a1c40dfSGrzegorz Nitka * @repr: repr on with VSI will be set
4531a1c40dfSGrzegorz Nitka * @vsi: pointer to VSI that will be used by port representor to pass traffic
4541a1c40dfSGrzegorz Nitka */
ice_repr_set_traffic_vsi(struct ice_repr * repr,struct ice_vsi * vsi)4551a1c40dfSGrzegorz Nitka void ice_repr_set_traffic_vsi(struct ice_repr *repr, struct ice_vsi *vsi)
4561a1c40dfSGrzegorz Nitka {
4571a1c40dfSGrzegorz Nitka struct ice_netdev_priv *np = netdev_priv(repr->netdev);
4581a1c40dfSGrzegorz Nitka
4591a1c40dfSGrzegorz Nitka np->vsi = vsi;
4601a1c40dfSGrzegorz Nitka }
461