Hi, Jiri On 2017/9/25 1:22, Jiri Pirko wrote: > From: Yotam Gigi <yot...@mellanox.com> > > Add the multicast router offloading logic, which is in charge of handling > the VIF and MFC notifications and translating it to the hardware logic API. > > The offloading logic has to overcome several obstacles in order to safely > comply with the kernel multicast router user API: > - It must keep track of the mapping between VIFs to netdevices. The user > can add an MFC cache entry pointing to a VIF, delete the VIF and add > re-add it with a different netdevice. The offloading logic has to handle > this in order to be compatible with the kernel logic. > - It must keep track of the mapping between netdevices to spectrum RIFs, > as the current hardware implementation assume having a RIF for every > port in a multicast router. > - It must handle routes pointing to pimreg device to be trapped to the > kernel, as the packet should be delivered to userspace. > - It must handle routes pointing tunnel VIFs. The current implementation > does not support multicast forwarding to tunnels, thus routes that point > to a tunnel should be trapped to the kernel. > - It must be aware of proxy multicast routes, which include both (*,*) > routes and duplicate routes. Currently proxy routes are not offloaded > and trigger the abort mechanism: removal of all routes from hardware and > triggering the traffic to go through the kernel. > > The multicast routing offloading logic also updates the counters of the > offloaded MFC routes in a periodic work. > > Signed-off-by: Yotam Gigi <yot...@mellanox.com> > Reviewed-by: Ido Schimmel <ido...@mellanox.com> > Signed-off-by: Jiri Pirko <j...@mellanox.com> > --- > v1->v2: > - Update the lastuse MFC entry field too, in addition to packets an bytes. > --- > drivers/net/ethernet/mellanox/mlxsw/Makefile | 3 +- > drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 1 + > drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c | 1014 > +++++++++++++++++++++ > drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h | 133 +++ > 4 files changed, 1150 insertions(+), 1 deletion(-) > create mode 100644 drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > create mode 100644 drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h > > diff --git a/drivers/net/ethernet/mellanox/mlxsw/Makefile > b/drivers/net/ethernet/mellanox/mlxsw/Makefile > index 4b88158..9b29764 100644 > --- a/drivers/net/ethernet/mellanox/mlxsw/Makefile > +++ b/drivers/net/ethernet/mellanox/mlxsw/Makefile > @@ -17,7 +17,8 @@ mlxsw_spectrum-objs := spectrum.o > spectrum_buffers.o \ > spectrum_kvdl.o spectrum_acl_tcam.o \ > spectrum_acl.o spectrum_flower.o \ > spectrum_cnt.o spectrum_fid.o \ > - spectrum_ipip.o spectrum_acl_flex_actions.o > + spectrum_ipip.o spectrum_acl_flex_actions.o \ > + spectrum_mr.o > mlxsw_spectrum-$(CONFIG_MLXSW_SPECTRUM_DCB) += spectrum_dcb.o > mlxsw_spectrum-$(CONFIG_NET_DEVLINK) += spectrum_dpipe.o > obj-$(CONFIG_MLXSW_MINIMAL) += mlxsw_minimal.o > diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h > b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h > index e907ec4..51d8b9f 100644 > --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h > +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h > @@ -153,6 +153,7 @@ struct mlxsw_sp { > struct mlxsw_sp_sb *sb; > struct mlxsw_sp_bridge *bridge; > struct mlxsw_sp_router *router; > + struct mlxsw_sp_mr *mr; > struct mlxsw_afa *afa; > struct mlxsw_sp_acl *acl; > struct mlxsw_sp_fid_core *fid_core; > diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > new file mode 100644 > index 0000000..89b2e60 > --- /dev/null > +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > @@ -0,0 +1,1014 @@ > +/* > + * drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > + * Copyright (c) 2017 Mellanox Technologies. All rights reserved. > + * Copyright (c) 2017 Yotam Gigi <yot...@mellanox.com> > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions are > met: > + * > + * 1. Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer. > + * 2. Redistributions in binary form must reproduce the above copyright > + * notice, this list of conditions and the following disclaimer in the > + * documentation and/or other materials provided with the distribution. > + * 3. Neither the names of the copyright holders nor the names of its > + * contributors may be used to endorse or promote products derived from > + * this software without specific prior written permission. > + * > + * Alternatively, this software may be distributed under the terms of the > + * GNU General Public License ("GPL") version 2 as published by the Free > + * Software Foundation. > + * > + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS > IS" > + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE > + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE > + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE > + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR > + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF > + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS > + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN > + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) > + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE > + * POSSIBILITY OF SUCH DAMAGE. > + */ > + > +#include <linux/rhashtable.h> > + > +#include "spectrum_mr.h" > +#include "spectrum_router.h" > + > +struct mlxsw_sp_mr { > + const struct mlxsw_sp_mr_ops *mr_ops; > + void *catchall_route_priv; > + struct delayed_work stats_update_dw; > + struct list_head table_list; > +#define MLXSW_SP_MR_ROUTES_COUNTER_UPDATE_INTERVAL 5000 /* ms */ > + unsigned long priv[0]; > + /* priv has to be always the last item */ > +}; > + > +struct mlxsw_sp_mr_vif { > + struct net_device *dev; > + const struct mlxsw_sp_rif *rif; > + unsigned long vif_flags; > + > + /* A list of route_vif_entry structs that point to routes that the VIF > + * instance is used as one of the egress VIFs > + */ > + struct list_head route_evif_list; > + > + /* A list of route_vif_entry structs that point to routes that the VIF > + * instance is used as an ingress VIF > + */ > + struct list_head route_ivif_list; > +}; > + > +struct mlxsw_sp_mr_route_vif_entry { > + struct list_head vif_node; > + struct list_head route_node; > + struct mlxsw_sp_mr_vif *mr_vif; > + struct mlxsw_sp_mr_route *mr_route; > +}; > + > +struct mlxsw_sp_mr_table { > + struct list_head node; > + enum mlxsw_sp_l3proto proto; > + struct mlxsw_sp *mlxsw_sp; > + u32 vr_id; > + struct mlxsw_sp_mr_vif vifs[MAXVIFS]; > + struct list_head route_list; > + struct rhashtable route_ht; > + char catchall_route_priv[0]; > + /* catchall_route_priv has to be always the last item */ > +}; > + > +struct mlxsw_sp_mr_route { > + struct list_head node; > + struct rhash_head ht_node; > + struct mlxsw_sp_mr_route_key key; > + enum mlxsw_sp_mr_route_action route_action; > + u16 min_mtu; > + struct mfc_cache *mfc4; > + void *route_priv; > + const struct mlxsw_sp_mr_table *mr_table; > + /* A list of route_vif_entry structs that point to the egress VIFs */ > + struct list_head evif_list; > + /* A route_vif_entry struct that point to the ingress VIF */ > + struct mlxsw_sp_mr_route_vif_entry ivif; > +}; > + > +static const struct rhashtable_params mlxsw_sp_mr_route_ht_params = { > + .key_len = sizeof(struct mlxsw_sp_mr_route_key), > + .key_offset = offsetof(struct mlxsw_sp_mr_route, key), > + .head_offset = offsetof(struct mlxsw_sp_mr_route, ht_node), > + .automatic_shrinking = true, > +}; > + > +static bool mlxsw_sp_mr_vif_regular(const struct mlxsw_sp_mr_vif *vif) > +{ > + return !(vif->vif_flags & (VIFF_TUNNEL | VIFF_REGISTER)); > +} > + > +static bool mlxsw_sp_mr_vif_valid(const struct mlxsw_sp_mr_vif *vif) > +{ > + return mlxsw_sp_mr_vif_regular(vif) && vif->dev && vif->rif; > +} > + > +static bool mlxsw_sp_mr_vif_rif_invalid(const struct mlxsw_sp_mr_vif *vif) > +{ > + return mlxsw_sp_mr_vif_regular(vif) && vif->dev && !vif->rif; > +} > + > +static bool > +mlxsw_sp_mr_route_ivif_in_evifs(const struct mlxsw_sp_mr_route *mr_route) > +{ > + vifi_t ivif; > + > + switch (mr_route->mr_table->proto) { > + case MLXSW_SP_L3_PROTO_IPV4: > + ivif = mr_route->mfc4->mfc_parent; > + return mr_route->mfc4->mfc_un.res.ttls[ivif] != 255; > + case MLXSW_SP_L3_PROTO_IPV6: > + /* fall through */ > + default: > + WARN_ON_ONCE(1); > + } > + return false; > +} > + > +static int > +mlxsw_sp_mr_route_valid_evifs_num(const struct mlxsw_sp_mr_route *mr_route) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve; > + int valid_evifs = 0; > + > + valid_evifs = 0;
you are doing valid_evifs = 0 twice. > + list_for_each_entry(rve, &mr_route->evif_list, route_node) > + if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) > + valid_evifs++; > + return valid_evifs; > +} > + > +static bool mlxsw_sp_mr_route_starg(const struct mlxsw_sp_mr_route *mr_route) > +{ > + switch (mr_route->mr_table->proto) { > + case MLXSW_SP_L3_PROTO_IPV4: > + return mr_route->key.source_mask.addr4 == INADDR_ANY; > + case MLXSW_SP_L3_PROTO_IPV6: > + /* fall through */ > + default: > + WARN_ON_ONCE(1); > + } > + return false; > +} > + > +static enum mlxsw_sp_mr_route_action > +mlxsw_sp_mr_route_action(const struct mlxsw_sp_mr_route *mr_route) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve; > + > + /* If the ingress port is not regular and resolved, trap the route */ > + if (!mlxsw_sp_mr_vif_valid(mr_route->ivif.mr_vif)) > + return MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + > + /* The kernel does not match a (*,G) route that the ingress interface is > + * not one of the egress interfaces, so trap these kind of routes. > + */ > + if (mlxsw_sp_mr_route_starg(mr_route) && > + !mlxsw_sp_mr_route_ivif_in_evifs(mr_route)) > + return MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + > + /* If the route has no valid eVIFs, trap it. */ > + if (!mlxsw_sp_mr_route_valid_evifs_num(mr_route)) > + return MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + > + /* If either one of the eVIFs is not regular (VIF of type pimreg or > + * tunnel) or one of the VIFs has no matching RIF, trap the packet. > + */ > + list_for_each_entry(rve, &mr_route->evif_list, route_node) { > + if (!mlxsw_sp_mr_vif_regular(rve->mr_vif) || > + mlxsw_sp_mr_vif_rif_invalid(rve->mr_vif)) > + return MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + } > + return MLXSW_SP_MR_ROUTE_ACTION_FORWARD; > +} > + > +static enum mlxsw_sp_mr_route_prio > +mlxsw_sp_mr_route_prio(const struct mlxsw_sp_mr_route *mr_route) > +{ > + return mlxsw_sp_mr_route_starg(mr_route) ? > + MLXSW_SP_MR_ROUTE_PRIO_STARG : MLXSW_SP_MR_ROUTE_PRIO_SG; > +} > + > +static void mlxsw_sp_mr_route4_key(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route_key *key, > + const struct mfc_cache *mfc) > +{ > + bool starg = (mfc->mfc_origin == INADDR_ANY); > + > + memset(key, 0, sizeof(*key)); > + key->vrid = mr_table->vr_id; > + key->proto = mr_table->proto; > + key->group.addr4 = mfc->mfc_mcastgrp; > + key->group_mask.addr4 = 0xffffffff; > + key->source.addr4 = mfc->mfc_origin; > + key->source_mask.addr4 = starg ? 0 : 0xffffffff; > +} > + > +static int mlxsw_sp_mr_route_evif_link(struct mlxsw_sp_mr_route *mr_route, > + struct mlxsw_sp_mr_vif *mr_vif) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve; > + > + rve = kzalloc(sizeof(*rve), GFP_KERNEL); > + if (!rve) > + return -ENOMEM; > + rve->mr_route = mr_route; > + rve->mr_vif = mr_vif; > + list_add_tail(&rve->route_node, &mr_route->evif_list); > + list_add_tail(&rve->vif_node, &mr_vif->route_evif_list); > + return 0; > +} > + > +static void > +mlxsw_sp_mr_route_evif_unlink(struct mlxsw_sp_mr_route_vif_entry *rve) > +{ > + list_del(&rve->route_node); > + list_del(&rve->vif_node); > + kfree(rve); > +} > + > +static void mlxsw_sp_mr_route_ivif_link(struct mlxsw_sp_mr_route *mr_route, > + struct mlxsw_sp_mr_vif *mr_vif) > +{ > + mr_route->ivif.mr_route = mr_route; > + mr_route->ivif.mr_vif = mr_vif; > + list_add_tail(&mr_route->ivif.vif_node, &mr_vif->route_ivif_list); > +} > + > +static void mlxsw_sp_mr_route_ivif_unlink(struct mlxsw_sp_mr_route *mr_route) > +{ > + list_del(&mr_route->ivif.vif_node); > +} > + > +static int > +mlxsw_sp_mr_route_info_create(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route *mr_route, > + struct mlxsw_sp_mr_route_info *route_info) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve; > + u16 *erif_indices; > + u16 irif_index; > + u16 erif = 0; > + > + erif_indices = kmalloc_array(MAXVIFS, sizeof(*erif_indices), > + GFP_KERNEL); > + if (!erif_indices) > + return -ENOMEM; > + > + list_for_each_entry(rve, &mr_route->evif_list, route_node) { > + if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) { > + u16 rifi = mlxsw_sp_rif_index(rve->mr_vif->rif); > + > + erif_indices[erif++] = rifi; > + } > + } > + > + if (mlxsw_sp_mr_vif_valid(mr_route->ivif.mr_vif)) > + irif_index = mlxsw_sp_rif_index(mr_route->ivif.mr_vif->rif); > + else > + irif_index = 0; > + > + route_info->irif_index = irif_index; > + route_info->erif_indices = erif_indices; > + route_info->min_mtu = mr_route->min_mtu; > + route_info->route_action = mr_route->route_action; > + route_info->erif_num = erif; > + return 0; > +} > + > +static void > +mlxsw_sp_mr_route_info_destroy(struct mlxsw_sp_mr_route_info *route_info) > +{ > + kfree(route_info->erif_indices); > +} > + > +static int mlxsw_sp_mr_route_write(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route *mr_route, > + bool replace) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + struct mlxsw_sp_mr_route_info route_info; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + int err; > + > + err = mlxsw_sp_mr_route_info_create(mr_table, mr_route, &route_info); > + if (err) > + return err; > + > + if (!replace) { > + struct mlxsw_sp_mr_route_params route_params; > + > + mr_route->route_priv = kzalloc(mr->mr_ops->route_priv_size, > + GFP_KERNEL); > + if (!mr_route->route_priv) { > + err = -ENOMEM; > + goto out; > + } > + > + route_params.key = mr_route->key; > + route_params.value = route_info; > + route_params.prio = mlxsw_sp_mr_route_prio(mr_route); > + err = mr->mr_ops->route_create(mlxsw_sp, mr->priv, > + mr_route->route_priv, > + &route_params); > + if (err) > + kfree(mr_route->route_priv); > + } else { > + err = mr->mr_ops->route_update(mlxsw_sp, mr_route->route_priv, > + &route_info); > + } > +out: > + mlxsw_sp_mr_route_info_destroy(&route_info); > + return err; > +} > + > +static void mlxsw_sp_mr_route_erase(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route *mr_route) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + > + mr->mr_ops->route_destroy(mlxsw_sp, mr->priv, mr_route->route_priv); > + kfree(mr_route->route_priv); > +} > + > +static struct mlxsw_sp_mr_route * > +mlxsw_sp_mr_route4_create(struct mlxsw_sp_mr_table *mr_table, > + struct mfc_cache *mfc) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve, *tmp; > + struct mlxsw_sp_mr_route *mr_route; > + int err; > + int i; > + > + /* Allocate and init a new route and fill it with parameters */ > + mr_route = kzalloc(sizeof(*mr_table), GFP_KERNEL); > + if (!mr_route) > + return ERR_PTR(-ENOMEM); > + INIT_LIST_HEAD(&mr_route->evif_list); > + mlxsw_sp_mr_route4_key(mr_table, &mr_route->key, mfc); > + > + /* Find min_mtu and link iVIF and eVIFs */ > + mr_route->min_mtu = ETH_MAX_MTU; > + ipmr_cache_hold(mfc); > + mr_route->mfc4 = mfc; > + mr_route->mr_table = mr_table; > + for (i = 0; i < MAXVIFS; i++) { > + if (mfc->mfc_un.res.ttls[i] != 255) { > + err = mlxsw_sp_mr_route_evif_link(mr_route, > + &mr_table->vifs[i]); > + if (err) > + goto err; > + if (mr_table->vifs[i].dev && > + mr_table->vifs[i].dev->mtu < mr_route->min_mtu) > + mr_route->min_mtu = mr_table->vifs[i].dev->mtu; > + } > + } > + mlxsw_sp_mr_route_ivif_link(mr_route, &mr_table->vifs[mfc->mfc_parent]); > + if (err) > + goto err; > + > + mr_route->route_action = mlxsw_sp_mr_route_action(mr_route); > + return mr_route; > +err: > + ipmr_cache_put(mfc); > + list_for_each_entry_safe(rve, tmp, &mr_route->evif_list, route_node) > + mlxsw_sp_mr_route_evif_unlink(rve); > + kfree(mr_route); > + return ERR_PTR(err); > +} > + > +static void mlxsw_sp_mr_route4_destroy(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route *mr_route) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve, *tmp; > + > + mlxsw_sp_mr_route_ivif_unlink(mr_route); > + ipmr_cache_put(mr_route->mfc4); > + list_for_each_entry_safe(rve, tmp, &mr_route->evif_list, route_node) > + mlxsw_sp_mr_route_evif_unlink(rve); > + kfree(mr_route); > +} > + > +static void mlxsw_sp_mr_route_destroy(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route *mr_route) > +{ > + switch (mr_table->proto) { > + case MLXSW_SP_L3_PROTO_IPV4: > + mlxsw_sp_mr_route4_destroy(mr_table, mr_route); > + break; > + case MLXSW_SP_L3_PROTO_IPV6: > + /* fall through */ > + default: > + WARN_ON_ONCE(1); > + } > +} > + > +static void mlxsw_sp_mr_mfc_offload_set(struct mlxsw_sp_mr_route *mr_route, > + bool offload) > +{ > + switch (mr_route->mr_table->proto) { > + case MLXSW_SP_L3_PROTO_IPV4: > + if (offload) > + mr_route->mfc4->mfc_flags |= MFC_OFFLOAD; > + else > + mr_route->mfc4->mfc_flags &= ~MFC_OFFLOAD; > + break; > + case MLXSW_SP_L3_PROTO_IPV6: > + /* fall through */ > + default: > + WARN_ON_ONCE(1); > + } > +} > + > +static void mlxsw_sp_mr_mfc_offload_update(struct mlxsw_sp_mr_route > *mr_route) > +{ > + bool offload; > + > + offload = mr_route->route_action != MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + mlxsw_sp_mr_mfc_offload_set(mr_route, offload); > +} > + > +static void __mlxsw_sp_mr_route_del(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route *mr_route) > +{ > + mlxsw_sp_mr_mfc_offload_set(mr_route, false); > + mlxsw_sp_mr_route_erase(mr_table, mr_route); > + rhashtable_remove_fast(&mr_table->route_ht, &mr_route->ht_node, > + mlxsw_sp_mr_route_ht_params); > + list_del(&mr_route->node); > + mlxsw_sp_mr_route_destroy(mr_table, mr_route); > +} > + > +int mlxsw_sp_mr_route4_add(struct mlxsw_sp_mr_table *mr_table, > + struct mfc_cache *mfc, bool replace) > +{ > + struct mlxsw_sp_mr_route *mr_orig_route = NULL; > + struct mlxsw_sp_mr_route *mr_route; > + int err; > + > + /* If the route is a (*,*) route, abort, as these kind of routes are > + * used for proxy routes. > + */ > + if (mfc->mfc_origin == INADDR_ANY && mfc->mfc_mcastgrp == INADDR_ANY) { > + dev_warn(mr_table->mlxsw_sp->bus_info->dev, > + "Offloading proxy routes is not supported.\n"); You are return err, why not use dev_err? > + return -EINVAL; > + } > + > + /* Create a new route */ > + mr_route = mlxsw_sp_mr_route4_create(mr_table, mfc); > + if (IS_ERR(mr_route)) > + return PTR_ERR(mr_route); > + > + /* Find any route with a matching key */ > + mr_orig_route = rhashtable_lookup_fast(&mr_table->route_ht, > + &mr_route->key, > + mlxsw_sp_mr_route_ht_params); > + if (replace) { > + /* On replace case, make the route point to the new route_priv. > + */ > + if (WARN_ON(!mr_orig_route)) { > + err = -ENOENT; > + goto err_no_orig_route; > + } > + mr_route->route_priv = mr_orig_route->route_priv; > + } else if (mr_orig_route) { > + /* On non replace case, if another route with the same key was > + * found, abort, as duplicate routes are used for proxy routes. > + */ > + dev_warn(mr_table->mlxsw_sp->bus_info->dev, > + "Offloading proxy routes is not supported.\n"); Same as here. > + err = -EINVAL; > + goto err_duplicate_route; > + } > + > + /* Put it in the table data-structures */ > + list_add_tail(&mr_route->node, &mr_table->route_list); > + err = rhashtable_insert_fast(&mr_table->route_ht, > + &mr_route->ht_node, > + mlxsw_sp_mr_route_ht_params); > + if (err) > + goto err_rhashtable_insert; > + > + /* Write the route to the hardware */ > + err = mlxsw_sp_mr_route_write(mr_table, mr_route, replace); > + if (err) > + goto err_mr_route_write; > + > + /* Destroy the original route */ > + if (replace) { > + rhashtable_remove_fast(&mr_table->route_ht, > + &mr_orig_route->ht_node, > + mlxsw_sp_mr_route_ht_params); > + list_del(&mr_orig_route->node); > + mlxsw_sp_mr_route4_destroy(mr_table, mr_orig_route); > + } > + > + mlxsw_sp_mr_mfc_offload_update(mr_route); > + return 0; > + > +err_mr_route_write: > + rhashtable_remove_fast(&mr_table->route_ht, &mr_route->ht_node, > + mlxsw_sp_mr_route_ht_params); > +err_rhashtable_insert: > + list_del(&mr_route->node); > +err_no_orig_route: > +err_duplicate_route: > + mlxsw_sp_mr_route4_destroy(mr_table, mr_route); > + return err; > +} > + > +void mlxsw_sp_mr_route4_del(struct mlxsw_sp_mr_table *mr_table, > + struct mfc_cache *mfc) > +{ > + struct mlxsw_sp_mr_route *mr_route; > + struct mlxsw_sp_mr_route_key key; > + > + mlxsw_sp_mr_route4_key(mr_table, &key, mfc); > + mr_route = rhashtable_lookup_fast(&mr_table->route_ht, &key, > + mlxsw_sp_mr_route_ht_params); > + if (mr_route) > + __mlxsw_sp_mr_route_del(mr_table, mr_route); > +} > + > +/* Should be called after the VIF struct is updated */ > +static int > +mlxsw_sp_mr_route_ivif_resolve(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route_vif_entry *rve) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + enum mlxsw_sp_mr_route_action route_action; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + u16 irif_index; > + int err; > + > + route_action = mlxsw_sp_mr_route_action(rve->mr_route); > + if (route_action == MLXSW_SP_MR_ROUTE_ACTION_TRAP) > + return 0; > + > + /* rve->mr_vif->rif is guaranteed to be valid at this stage */ > + irif_index = mlxsw_sp_rif_index(rve->mr_vif->rif); > + err = mr->mr_ops->route_irif_update(mlxsw_sp, rve->mr_route->route_priv, > + irif_index); > + if (err) > + return err; > + > + err = mr->mr_ops->route_action_update(mlxsw_sp, > + rve->mr_route->route_priv, > + route_action); > + if (err) > + /* No need to rollback here because the iRIF change only takes > + * place after the action has been updated. > + */ > + return err; > + > + rve->mr_route->route_action = route_action; > + mlxsw_sp_mr_mfc_offload_update(rve->mr_route); > + return 0; > +} > + > +static void > +mlxsw_sp_mr_route_ivif_unresolve(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route_vif_entry *rve) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + > + mr->mr_ops->route_action_update(mlxsw_sp, rve->mr_route->route_priv, > + MLXSW_SP_MR_ROUTE_ACTION_TRAP); > + rve->mr_route->route_action = MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + mlxsw_sp_mr_mfc_offload_update(rve->mr_route); > +} > + > +/* Should be called after the RIF struct is updated */ > +static int > +mlxsw_sp_mr_route_evif_resolve(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route_vif_entry *rve) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + enum mlxsw_sp_mr_route_action route_action; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + u16 erif_index = 0; > + int err; > + > + /* Update the route action, as the new eVIF can be a tunnel or a pimreg > + * device which will require updating the action. > + */ > + route_action = mlxsw_sp_mr_route_action(rve->mr_route); > + if (route_action != rve->mr_route->route_action) { > + err = mr->mr_ops->route_action_update(mlxsw_sp, > + rve->mr_route->route_priv, > + route_action); > + if (err) > + return err; > + } > + > + /* Add the eRIF */ > + if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) { > + erif_index = mlxsw_sp_rif_index(rve->mr_vif->rif); > + err = mr->mr_ops->route_erif_add(mlxsw_sp, > + rve->mr_route->route_priv, > + erif_index); > + if (err) > + goto err_route_erif_add; > + } > + > + /* Update the minimum MTU */ > + if (rve->mr_vif->dev->mtu < rve->mr_route->min_mtu) { > + rve->mr_route->min_mtu = rve->mr_vif->dev->mtu; > + err = mr->mr_ops->route_min_mtu_update(mlxsw_sp, > + > rve->mr_route->route_priv, > + rve->mr_route->min_mtu); > + if (err) > + goto err_route_min_mtu_update; > + } > + > + rve->mr_route->route_action = route_action; > + mlxsw_sp_mr_mfc_offload_update(rve->mr_route); > + return 0; > + > +err_route_min_mtu_update: > + if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) > + mr->mr_ops->route_erif_del(mlxsw_sp, rve->mr_route->route_priv, > + erif_index); > +err_route_erif_add: > + if (route_action != rve->mr_route->route_action) > + mr->mr_ops->route_action_update(mlxsw_sp, > + rve->mr_route->route_priv, > + rve->mr_route->route_action); > + return err; > +} > + > +/* Should be called before the RIF struct is updated */ > +static void > +mlxsw_sp_mr_route_evif_unresolve(struct mlxsw_sp_mr_table *mr_table, > + struct mlxsw_sp_mr_route_vif_entry *rve) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + enum mlxsw_sp_mr_route_action route_action; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + u16 rifi; > + > + /* If the unresolved RIF was not valid, no need to delete it */ > + if (!mlxsw_sp_mr_vif_valid(rve->mr_vif)) > + return; > + > + /* Update the route action: if there is only one valid eVIF in the > + * route, set the action to trap as the VIF deletion will lead to zero > + * valid eVIFs. On any other case, use the mlxsw_sp_mr_route_action to > + * determine the route action. > + */ > + if (mlxsw_sp_mr_route_valid_evifs_num(rve->mr_route) == 1) > + route_action = MLXSW_SP_MR_ROUTE_ACTION_TRAP; > + else > + route_action = mlxsw_sp_mr_route_action(rve->mr_route); > + if (route_action != rve->mr_route->route_action) > + mr->mr_ops->route_action_update(mlxsw_sp, > + rve->mr_route->route_priv, > + route_action); > + > + /* Delete the erif from the route */ > + rifi = mlxsw_sp_rif_index(rve->mr_vif->rif); > + mr->mr_ops->route_erif_del(mlxsw_sp, rve->mr_route->route_priv, rifi); > + rve->mr_route->route_action = route_action; > + mlxsw_sp_mr_mfc_offload_update(rve->mr_route); > +} > + > +static int mlxsw_sp_mr_vif_resolve(struct mlxsw_sp_mr_table *mr_table, > + struct net_device *dev, > + struct mlxsw_sp_mr_vif *mr_vif, > + unsigned long vif_flags, > + const struct mlxsw_sp_rif *rif) > +{ > + struct mlxsw_sp_mr_route_vif_entry *irve, *erve; > + int err; > + > + /* Update the VIF */ > + mr_vif->dev = dev; > + mr_vif->rif = rif; > + mr_vif->vif_flags = vif_flags; > + > + /* Update all routes where this VIF is used as an unresolved iRIF */ > + list_for_each_entry(irve, &mr_vif->route_ivif_list, vif_node) { > + err = mlxsw_sp_mr_route_ivif_resolve(mr_table, irve); > + if (err) > + goto err_irif_unresolve; > + } > + > + /* Update all routes where this VIF is used as an unresolved eRIF */ > + list_for_each_entry(erve, &mr_vif->route_evif_list, vif_node) { > + err = mlxsw_sp_mr_route_evif_resolve(mr_table, erve); > + if (err) > + goto err_erif_unresolve; > + } > + return 0; > + > +err_erif_unresolve: > + list_for_each_entry_from_reverse(erve, &mr_vif->route_evif_list, > + vif_node) > + mlxsw_sp_mr_route_evif_unresolve(mr_table, erve); > +err_irif_unresolve: > + list_for_each_entry_from_reverse(irve, &mr_vif->route_ivif_list, > + vif_node) > + mlxsw_sp_mr_route_ivif_unresolve(mr_table, irve); > + mr_vif->rif = NULL; > + return err; > +} > + > +static void mlxsw_sp_mr_vif_unresolve(struct mlxsw_sp_mr_table *mr_table, > + struct net_device *dev, > + struct mlxsw_sp_mr_vif *mr_vif) > +{ > + struct mlxsw_sp_mr_route_vif_entry *rve; > + > + /* Update all routes where this VIF is used as an unresolved eRIF */ > + list_for_each_entry(rve, &mr_vif->route_evif_list, vif_node) > + mlxsw_sp_mr_route_evif_unresolve(mr_table, rve); > + > + /* Update all routes where this VIF is used as an unresolved iRIF */ > + list_for_each_entry(rve, &mr_vif->route_ivif_list, vif_node) > + mlxsw_sp_mr_route_ivif_unresolve(mr_table, rve); > + > + /* Update the VIF */ > + mr_vif->dev = dev; > + mr_vif->rif = NULL; > +} > + > +int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table, > + struct net_device *dev, vifi_t vif_index, > + unsigned long vif_flags, const struct mlxsw_sp_rif *rif) > +{ > + struct mlxsw_sp_mr_vif *mr_vif = &mr_table->vifs[vif_index]; > + > + if (WARN_ON(vif_index >= MAXVIFS)) > + return -EINVAL; > + if (mr_vif->dev) > + return -EEXIST; -ENODEV? > + return mlxsw_sp_mr_vif_resolve(mr_table, dev, mr_vif, vif_flags, rif); > +} > + > +void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t > vif_index) > +{ > + struct mlxsw_sp_mr_vif *mr_vif = &mr_table->vifs[vif_index]; > + > + if (WARN_ON(vif_index >= MAXVIFS)) > + return; > + if (WARN_ON(!mr_vif->dev)) > + return; > + mlxsw_sp_mr_vif_unresolve(mr_table, NULL, mr_vif); > +} > + > +struct mlxsw_sp_mr_vif * > +mlxsw_sp_mr_dev_vif_lookup(struct mlxsw_sp_mr_table *mr_table, > + const struct net_device *dev) > +{ > + vifi_t vif_index; > + > + for (vif_index = 0; vif_index < MAXVIFS; vif_index++) > + if (mr_table->vifs[vif_index].dev == dev) > + return &mr_table->vifs[vif_index]; > + return NULL; > +} > + > +int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table, > + const struct mlxsw_sp_rif *rif) > +{ > + const struct net_device *rif_dev = mlxsw_sp_rif_dev(rif); > + struct mlxsw_sp_mr_vif *mr_vif; > + > + if (!rif_dev) > + return 0; > + > + mr_vif = mlxsw_sp_mr_dev_vif_lookup(mr_table, rif_dev); > + if (!mr_vif) > + return 0; > + return mlxsw_sp_mr_vif_resolve(mr_table, mr_vif->dev, mr_vif, > + mr_vif->vif_flags, rif); > +} > + > +void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table, > + const struct mlxsw_sp_rif *rif) > +{ > + const struct net_device *rif_dev = mlxsw_sp_rif_dev(rif); > + struct mlxsw_sp_mr_vif *mr_vif; > + > + if (!rif_dev) > + return; > + > + mr_vif = mlxsw_sp_mr_dev_vif_lookup(mr_table, rif_dev); > + if (!mr_vif) > + return; > + mlxsw_sp_mr_vif_unresolve(mr_table, mr_vif->dev, mr_vif); > +} > + > +void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table, > + const struct mlxsw_sp_rif *rif, int mtu) > +{ > + const struct net_device *rif_dev = mlxsw_sp_rif_dev(rif); > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + struct mlxsw_sp_mr_route_vif_entry *rve; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + struct mlxsw_sp_mr_vif *mr_vif; > + > + if (!rif_dev) > + return; > + > + /* Search for a VIF that use that RIF */ > + mr_vif = mlxsw_sp_mr_dev_vif_lookup(mr_table, rif_dev); > + if (!mr_vif) > + return; > + > + /* Update all the routes that uses that VIF as eVIF */ > + list_for_each_entry(rve, &mr_vif->route_evif_list, vif_node) { > + if (mtu < rve->mr_route->min_mtu) { > + rve->mr_route->min_mtu = mtu; > + mr->mr_ops->route_min_mtu_update(mlxsw_sp, > + > rve->mr_route->route_priv, > + mtu); > + } > + } > +} > + > +struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp, > + u32 vr_id, > + enum mlxsw_sp_l3proto proto) > +{ > + struct mlxsw_sp_mr_route_params catchall_route_params = { > + .prio = MLXSW_SP_MR_ROUTE_PRIO_CATCHALL, > + .key = { > + .vrid = vr_id, > + }, > + .value = { > + .route_action = MLXSW_SP_MR_ROUTE_ACTION_TRAP, > + } > + }; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + struct mlxsw_sp_mr_table *mr_table; > + int err; > + int i; > + > + mr_table = kzalloc(sizeof(*mr_table) + mr->mr_ops->route_priv_size, > + GFP_KERNEL); > + if (!mr_table) > + return ERR_PTR(-ENOMEM); > + > + mr_table->vr_id = vr_id; > + mr_table->mlxsw_sp = mlxsw_sp; > + mr_table->proto = proto; > + INIT_LIST_HEAD(&mr_table->route_list); > + > + err = rhashtable_init(&mr_table->route_ht, > + &mlxsw_sp_mr_route_ht_params); > + if (err) > + goto err_route_rhashtable_init; > + > + for (i = 0; i < MAXVIFS; i++) { > + INIT_LIST_HEAD(&mr_table->vifs[i].route_evif_list); > + INIT_LIST_HEAD(&mr_table->vifs[i].route_ivif_list); > + } > + > + err = mr->mr_ops->route_create(mlxsw_sp, mr->priv, > + mr_table->catchall_route_priv, > + &catchall_route_params); > + if (err) > + goto err_ops_route_create; > + list_add_tail(&mr_table->node, &mr->table_list); > + return mr_table; > + > +err_ops_route_create: > + rhashtable_destroy(&mr_table->route_ht); > +err_route_rhashtable_init: > + kfree(mr_table); > + return ERR_PTR(err); > +} > + > +void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table) > +{ > + struct mlxsw_sp *mlxsw_sp = mr_table->mlxsw_sp; > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + > + WARN_ON(!mlxsw_sp_mr_table_empty(mr_table)); > + list_del(&mr_table->node); > + mr->mr_ops->route_destroy(mlxsw_sp, mr->priv, > + &mr_table->catchall_route_priv); > + rhashtable_destroy(&mr_table->route_ht); > + kfree(mr_table); > +} > + > +void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table) > +{ > + struct mlxsw_sp_mr_route *mr_route, *tmp; > + int i; > + > + list_for_each_entry_safe(mr_route, tmp, &mr_table->route_list, node) > + __mlxsw_sp_mr_route_del(mr_table, mr_route); > + > + for (i = 0; i < MAXVIFS; i++) { > + mr_table->vifs[i].dev = NULL; > + mr_table->vifs[i].rif = NULL; > + } > +} > + > +bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table) > +{ > + int i; > + > + for (i = 0; i < MAXVIFS; i++) > + if (mr_table->vifs[i].dev) > + return false; > + return list_empty(&mr_table->route_list); > +} > + > +static void mlxsw_sp_mr_route_stats_update(struct mlxsw_sp *mlxsw_sp, > + struct mlxsw_sp_mr_route *mr_route) > +{ > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + u64 packets, bytes; > + > + if (mr_route->route_action == MLXSW_SP_MR_ROUTE_ACTION_TRAP) > + return; > + > + mr->mr_ops->route_stats(mlxsw_sp, mr_route->route_priv, &packets, > + &bytes); > + > + switch (mr_route->mr_table->proto) { > + case MLXSW_SP_L3_PROTO_IPV4: > + if (mr_route->mfc4->mfc_un.res.pkt != packets) > + mr_route->mfc4->mfc_un.res.lastuse = jiffies; > + mr_route->mfc4->mfc_un.res.pkt = packets; > + mr_route->mfc4->mfc_un.res.bytes = bytes; > + break; > + case MLXSW_SP_L3_PROTO_IPV6: > + /* fall through */ > + default: > + WARN_ON_ONCE(1); > + } > +} > + > +static void mlxsw_sp_mr_stats_update(struct work_struct *work) > +{ > + struct mlxsw_sp_mr *mr = container_of(work, struct mlxsw_sp_mr, > + stats_update_dw.work); > + struct mlxsw_sp_mr_table *mr_table; > + struct mlxsw_sp_mr_route *mr_route; > + unsigned long interval; > + > + rtnl_lock(); > + list_for_each_entry(mr_table, &mr->table_list, node) > + list_for_each_entry(mr_route, &mr_table->route_list, node) > + mlxsw_sp_mr_route_stats_update(mr_table->mlxsw_sp, > + mr_route); > + rtnl_unlock(); > + > + interval = msecs_to_jiffies(MLXSW_SP_MR_ROUTES_COUNTER_UPDATE_INTERVAL); > + mlxsw_core_schedule_dw(&mr->stats_update_dw, interval); > +} > + > +int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp, > + const struct mlxsw_sp_mr_ops *mr_ops) > +{ > + struct mlxsw_sp_mr *mr; > + unsigned long interval; > + int err; > + > + mr = kzalloc(sizeof(*mr) + mr_ops->priv_size, GFP_KERNEL); > + if (!mr) > + return -ENOMEM; > + mr->mr_ops = mr_ops; > + mlxsw_sp->mr = mr; > + INIT_LIST_HEAD(&mr->table_list); > + > + err = mr_ops->init(mlxsw_sp, mr->priv); > + if (err) > + goto err; > + > + /* Create the delayed work for counter updates */ > + INIT_DELAYED_WORK(&mr->stats_update_dw, mlxsw_sp_mr_stats_update); > + interval = msecs_to_jiffies(MLXSW_SP_MR_ROUTES_COUNTER_UPDATE_INTERVAL); > + mlxsw_core_schedule_dw(&mr->stats_update_dw, interval); > + return 0; > +err: > + kfree(mr); > + return err; > +} > + > +void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp) > +{ > + struct mlxsw_sp_mr *mr = mlxsw_sp->mr; > + > + cancel_delayed_work_sync(&mr->stats_update_dw); > + mr->mr_ops->fini(mr->priv); > + kfree(mr); > +} > diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h > b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h > new file mode 100644 > index 0000000..c851b23 > --- /dev/null > +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h > @@ -0,0 +1,133 @@ > +/* > + * drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h > + * Copyright (c) 2017 Mellanox Technologies. All rights reserved. > + * Copyright (c) 2017 Yotam Gigi <yot...@mellanox.com> > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions are > met: > + * > + * 1. Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer. > + * 2. Redistributions in binary form must reproduce the above copyright > + * notice, this list of conditions and the following disclaimer in the > + * documentation and/or other materials provided with the distribution. > + * 3. Neither the names of the copyright holders nor the names of its > + * contributors may be used to endorse or promote products derived from > + * this software without specific prior written permission. > + * > + * Alternatively, this software may be distributed under the terms of the > + * GNU General Public License ("GPL") version 2 as published by the Free > + * Software Foundation. > + * > + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS > IS" > + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE > + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE > + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE > + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR > + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF > + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS > + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN > + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) > + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE > + * POSSIBILITY OF SUCH DAMAGE. > + */ > + > +#ifndef _MLXSW_SPECTRUM_MCROUTER_H > +#define _MLXSW_SPECTRUM_MCROUTER_H > + > +#include <linux/mroute.h> > +#include "spectrum_router.h" > +#include "spectrum.h" > + > +enum mlxsw_sp_mr_route_action { > + MLXSW_SP_MR_ROUTE_ACTION_FORWARD, > + MLXSW_SP_MR_ROUTE_ACTION_TRAP, > +}; > + > +enum mlxsw_sp_mr_route_prio { > + MLXSW_SP_MR_ROUTE_PRIO_SG, > + MLXSW_SP_MR_ROUTE_PRIO_STARG, > + MLXSW_SP_MR_ROUTE_PRIO_CATCHALL, > + __MLXSW_SP_MR_ROUTE_PRIO_MAX > +}; > + > +#define MLXSW_SP_MR_ROUTE_PRIO_MAX (__MLXSW_SP_MR_ROUTE_PRIO_MAX - 1) > + > +struct mlxsw_sp_mr_route_key { > + int vrid; > + enum mlxsw_sp_l3proto proto; > + union mlxsw_sp_l3addr group; > + union mlxsw_sp_l3addr group_mask; > + union mlxsw_sp_l3addr source; > + union mlxsw_sp_l3addr source_mask; > +}; > + > +struct mlxsw_sp_mr_route_info { > + enum mlxsw_sp_mr_route_action route_action; > + u16 irif_index; > + u16 *erif_indices; > + size_t erif_num; > + u16 min_mtu; > +}; > + > +struct mlxsw_sp_mr_route_params { > + struct mlxsw_sp_mr_route_key key; > + struct mlxsw_sp_mr_route_info value; > + enum mlxsw_sp_mr_route_prio prio; > +}; > + > +struct mlxsw_sp_mr_ops { > + int priv_size; > + int route_priv_size; > + int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv); > + int (*route_create)(struct mlxsw_sp *mlxsw_sp, void *priv, > + void *route_priv, > + struct mlxsw_sp_mr_route_params *route_params); > + int (*route_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + struct mlxsw_sp_mr_route_info *route_info); > + int (*route_stats)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + u64 *packets, u64 *bytes); > + int (*route_action_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + enum mlxsw_sp_mr_route_action route_action); > + int (*route_min_mtu_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + u16 min_mtu); > + int (*route_irif_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + u16 irif_index); > + int (*route_erif_add)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + u16 erif_index); > + int (*route_erif_del)(struct mlxsw_sp *mlxsw_sp, void *route_priv, > + u16 erif_index); > + void (*route_destroy)(struct mlxsw_sp *mlxsw_sp, void *priv, > + void *route_priv); > + void (*fini)(void *priv); > +}; > + > +struct mlxsw_sp_mr; > +struct mlxsw_sp_mr_table; > + > +int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp, > + const struct mlxsw_sp_mr_ops *mr_ops); > +void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp); > +int mlxsw_sp_mr_route4_add(struct mlxsw_sp_mr_table *mr_table, > + struct mfc_cache *mfc, bool replace); > +void mlxsw_sp_mr_route4_del(struct mlxsw_sp_mr_table *mr_table, > + struct mfc_cache *mfc); > +int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table, > + struct net_device *dev, vifi_t vif_index, > + unsigned long vif_flags, > + const struct mlxsw_sp_rif *rif); > +void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t > vif_index); > +int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table, > + const struct mlxsw_sp_rif *rif); > +void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table, > + const struct mlxsw_sp_rif *rif); > +void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table, > + const struct mlxsw_sp_rif *rif, int mtu); > +struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp, > + u32 tb_id, > + enum mlxsw_sp_l3proto proto); > +void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table); > +void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table); > +bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table); > + > +#endif >