MLXSW_SP_FIB_ENTRY_TYPE_NVE_DECAP,
};
+struct mlxsw_sp_nexthop_group_info;
struct mlxsw_sp_nexthop_group;
struct mlxsw_sp_fib_entry;
struct mlxsw_sp_fib4_entry {
struct mlxsw_sp_fib_entry common;
+ struct fib_info *fi;
u32 tb_id;
- u32 prio;
u8 tos;
u8 type;
};
/* Given decap parameters, find the corresponding IPIP entry. */
static struct mlxsw_sp_ipip_entry *
-mlxsw_sp_ipip_entry_find_by_decap(struct mlxsw_sp *mlxsw_sp,
- const struct net_device *ul_dev,
+mlxsw_sp_ipip_entry_find_by_decap(struct mlxsw_sp *mlxsw_sp, int ul_dev_ifindex,
enum mlxsw_sp_l3proto ul_proto,
union mlxsw_sp_l3addr ul_dip)
{
- struct mlxsw_sp_ipip_entry *ipip_entry;
+ struct mlxsw_sp_ipip_entry *ipip_entry = NULL;
+ struct net_device *ul_dev;
+
+ rcu_read_lock();
+
+ ul_dev = dev_get_by_index_rcu(mlxsw_sp_net(mlxsw_sp), ul_dev_ifindex);
+ if (!ul_dev)
+ goto out_unlock;
list_for_each_entry(ipip_entry, &mlxsw_sp->router->ipip_list,
ipip_list_node)
if (mlxsw_sp_ipip_entry_matches_decap(mlxsw_sp, ul_dev,
ul_proto, ul_dip,
ipip_entry))
- return ipip_entry;
+ goto out_unlock;
+
+ rcu_read_unlock();
return NULL;
+
+out_unlock:
+ rcu_read_unlock();
+ return ipip_entry;
}
static bool mlxsw_sp_netdev_ipip_type(const struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_ipip_ops *ops
= mlxsw_sp->router->ipip_ops_arr[ipipt];
- /* For deciding whether decap should be offloaded, we don't care about
- * overlay protocol, so ask whether either one is supported.
- */
- return ops->can_offload(mlxsw_sp, ol_dev, MLXSW_SP_L3_PROTO_IPV4) ||
- ops->can_offload(mlxsw_sp, ol_dev, MLXSW_SP_L3_PROTO_IPV6);
+ return ops->can_offload(mlxsw_sp, ol_dev);
}
static int mlxsw_sp_netdevice_ipip_ol_reg_event(struct mlxsw_sp *mlxsw_sp,
struct list_head neigh_list_node; /* member of neigh entry list */
struct list_head rif_list_node;
struct list_head router_list_node;
- struct mlxsw_sp_nexthop_group *nh_grp; /* pointer back to the group
- * this belongs to
- */
+ struct mlxsw_sp_nexthop_group_info *nhgi; /* pointer back to the group
+ * this nexthop belongs to
+ */
struct rhash_head ht_node;
+ struct neigh_table *neigh_tbl;
struct mlxsw_sp_nexthop_key key;
unsigned char gw_addr[sizeof(struct in6_addr)];
int ifindex;
bool counter_valid;
};
-struct mlxsw_sp_nexthop_group {
- void *priv;
- struct rhash_head ht_node;
- struct list_head fib_list; /* list of fib entries that use this group */
- struct neigh_table *neigh_tbl;
- u8 adj_index_valid:1,
- gateway:1; /* routes using the group use a gateway */
+enum mlxsw_sp_nexthop_group_type {
+ MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4,
+ MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6,
+};
+
+struct mlxsw_sp_nexthop_group_info {
+ struct mlxsw_sp_nexthop_group *nh_grp;
u32 adj_index;
u16 ecmp_size;
u16 count;
int sum_norm_weight;
+ u8 adj_index_valid:1,
+ gateway:1; /* routes using the group use a gateway */
struct mlxsw_sp_nexthop nexthops[0];
#define nh_rif nexthops[0].rif
};
+struct mlxsw_sp_nexthop_group {
+ struct rhash_head ht_node;
+ struct list_head fib_list; /* list of fib entries that use this group */
+ union {
+ struct {
+ struct fib_info *fi;
+ } ipv4;
+ };
+ struct mlxsw_sp_nexthop_group_info *nhgi;
+ enum mlxsw_sp_nexthop_group_type type;
+};
+
void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop *nh)
{
int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,
u32 *p_adj_size, u32 *p_adj_hash_index)
{
- struct mlxsw_sp_nexthop_group *nh_grp = nh->nh_grp;
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh->nhgi;
u32 adj_hash_index = 0;
int i;
- if (!nh->offloaded || !nh_grp->adj_index_valid)
+ if (!nh->offloaded || !nhgi->adj_index_valid)
return -EINVAL;
- *p_adj_index = nh_grp->adj_index;
- *p_adj_size = nh_grp->ecmp_size;
+ *p_adj_index = nhgi->adj_index;
+ *p_adj_size = nhgi->ecmp_size;
- for (i = 0; i < nh_grp->count; i++) {
- struct mlxsw_sp_nexthop *nh_iter = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ struct mlxsw_sp_nexthop *nh_iter = &nhgi->nexthops[i];
if (nh_iter == nh)
break;
bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh)
{
- struct mlxsw_sp_nexthop_group *nh_grp = nh->nh_grp;
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh->nhgi;
int i;
- for (i = 0; i < nh_grp->count; i++) {
- struct mlxsw_sp_nexthop *nh_iter = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ struct mlxsw_sp_nexthop *nh_iter = &nhgi->nexthops[i];
if (nh_iter->type == MLXSW_SP_NEXTHOP_TYPE_IPIP)
return true;
return false;
}
-static struct fib_info *
-mlxsw_sp_nexthop4_group_fi(const struct mlxsw_sp_nexthop_group *nh_grp)
-{
- return nh_grp->priv;
-}
-
struct mlxsw_sp_nexthop_group_cmp_arg {
- enum mlxsw_sp_l3proto proto;
+ enum mlxsw_sp_nexthop_group_type type;
union {
struct fib_info *fi;
struct mlxsw_sp_fib6_entry *fib6_entry;
{
int i;
- for (i = 0; i < nh_grp->count; i++) {
+ for (i = 0; i < nh_grp->nhgi->count; i++) {
const struct mlxsw_sp_nexthop *nh;
- nh = &nh_grp->nexthops[i];
+ nh = &nh_grp->nhgi->nexthops[i];
if (nh->ifindex == ifindex && nh->nh_weight == weight &&
ipv6_addr_equal(gw, (struct in6_addr *) nh->gw_addr))
return true;
{
struct mlxsw_sp_rt6 *mlxsw_sp_rt6;
- if (nh_grp->count != fib6_entry->nrt6)
+ if (nh_grp->nhgi->count != fib6_entry->nrt6)
return false;
list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) {
const struct mlxsw_sp_nexthop_group_cmp_arg *cmp_arg = arg->key;
const struct mlxsw_sp_nexthop_group *nh_grp = ptr;
- switch (cmp_arg->proto) {
- case MLXSW_SP_L3_PROTO_IPV4:
- return cmp_arg->fi != mlxsw_sp_nexthop4_group_fi(nh_grp);
- case MLXSW_SP_L3_PROTO_IPV6:
+ if (nh_grp->type != cmp_arg->type)
+ return 1;
+
+ switch (cmp_arg->type) {
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4:
+ return cmp_arg->fi != nh_grp->ipv4.fi;
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6:
return !mlxsw_sp_nexthop6_group_cmp(nh_grp,
cmp_arg->fib6_entry);
default:
}
}
-static int
-mlxsw_sp_nexthop_group_type(const struct mlxsw_sp_nexthop_group *nh_grp)
-{
- return nh_grp->neigh_tbl->family;
-}
-
static u32 mlxsw_sp_nexthop_group_hash_obj(const void *data, u32 len, u32 seed)
{
const struct mlxsw_sp_nexthop_group *nh_grp = data;
unsigned int val;
int i;
- switch (mlxsw_sp_nexthop_group_type(nh_grp)) {
- case AF_INET:
- fi = mlxsw_sp_nexthop4_group_fi(nh_grp);
+ switch (nh_grp->type) {
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4:
+ fi = nh_grp->ipv4.fi;
return jhash(&fi, sizeof(fi), seed);
- case AF_INET6:
- val = nh_grp->count;
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6:
+ val = nh_grp->nhgi->count;
+ for (i = 0; i < nh_grp->nhgi->count; i++) {
+ nh = &nh_grp->nhgi->nexthops[i];
val ^= jhash(&nh->ifindex, sizeof(nh->ifindex), seed);
val ^= jhash(&nh->gw_addr, sizeof(nh->gw_addr), seed);
}
{
const struct mlxsw_sp_nexthop_group_cmp_arg *cmp_arg = data;
- switch (cmp_arg->proto) {
- case MLXSW_SP_L3_PROTO_IPV4:
+ switch (cmp_arg->type) {
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4:
return jhash(&cmp_arg->fi, sizeof(cmp_arg->fi), seed);
- case MLXSW_SP_L3_PROTO_IPV6:
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6:
return mlxsw_sp_nexthop6_group_hash(cmp_arg->fib6_entry, seed);
default:
WARN_ON(1);
static int mlxsw_sp_nexthop_group_insert(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
{
- if (mlxsw_sp_nexthop_group_type(nh_grp) == AF_INET6 &&
- !nh_grp->gateway)
+ if (nh_grp->type == MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6 &&
+ !nh_grp->nhgi->gateway)
return 0;
return rhashtable_insert_fast(&mlxsw_sp->router->nexthop_group_ht,
static void mlxsw_sp_nexthop_group_remove(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
{
- if (mlxsw_sp_nexthop_group_type(nh_grp) == AF_INET6 &&
- !nh_grp->gateway)
+ if (nh_grp->type == MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6 &&
+ !nh_grp->nhgi->gateway)
return;
rhashtable_remove_fast(&mlxsw_sp->router->nexthop_group_ht,
{
struct mlxsw_sp_nexthop_group_cmp_arg cmp_arg;
- cmp_arg.proto = MLXSW_SP_L3_PROTO_IPV4;
+ cmp_arg.type = MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4;
cmp_arg.fi = fi;
return rhashtable_lookup_fast(&mlxsw_sp->router->nexthop_group_ht,
&cmp_arg,
{
struct mlxsw_sp_nexthop_group_cmp_arg cmp_arg;
- cmp_arg.proto = MLXSW_SP_L3_PROTO_IPV6;
+ cmp_arg.type = MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6;
cmp_arg.fib6_entry = fib6_entry;
return rhashtable_lookup_fast(&mlxsw_sp->router->nexthop_group_ht,
&cmp_arg,
int err;
list_for_each_entry(fib_entry, &nh_grp->fib_list, nexthop_group_node) {
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh_grp->nhgi;
+
if (fib == fib_entry->fib_node->fib)
continue;
fib = fib_entry->fib_node->fib;
err = mlxsw_sp_adj_index_mass_update_vr(mlxsw_sp, fib,
old_adj_index,
old_ecmp_size,
- nh_grp->adj_index,
- nh_grp->ecmp_size);
+ nhgi->adj_index,
+ nhgi->ecmp_size);
if (err)
return err;
}
static int
mlxsw_sp_nexthop_group_update(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_nexthop_group *nh_grp,
+ struct mlxsw_sp_nexthop_group_info *nhgi,
bool reallocate)
{
- u32 adj_index = nh_grp->adj_index; /* base */
+ u32 adj_index = nhgi->adj_index; /* base */
struct mlxsw_sp_nexthop *nh;
int i;
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ nh = &nhgi->nexthops[i];
if (!nh->should_offload) {
nh->offloaded = 0;
}
static void
-mlxsw_sp_nexthop_group_normalize(struct mlxsw_sp_nexthop_group *nh_grp)
+mlxsw_sp_nexthop_group_normalize(struct mlxsw_sp_nexthop_group_info *nhgi)
{
int i, g = 0, sum_norm_weight = 0;
struct mlxsw_sp_nexthop *nh;
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ nh = &nhgi->nexthops[i];
if (!nh->should_offload)
continue;
g = nh->nh_weight;
}
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ nh = &nhgi->nexthops[i];
if (!nh->should_offload)
continue;
sum_norm_weight += nh->norm_nh_weight;
}
- nh_grp->sum_norm_weight = sum_norm_weight;
+ nhgi->sum_norm_weight = sum_norm_weight;
}
static void
-mlxsw_sp_nexthop_group_rebalance(struct mlxsw_sp_nexthop_group *nh_grp)
+mlxsw_sp_nexthop_group_rebalance(struct mlxsw_sp_nexthop_group_info *nhgi)
{
- int total = nh_grp->sum_norm_weight;
- u16 ecmp_size = nh_grp->ecmp_size;
int i, weight = 0, lower_bound = 0;
+ int total = nhgi->sum_norm_weight;
+ u16 ecmp_size = nhgi->ecmp_size;
- for (i = 0; i < nh_grp->count; i++) {
- struct mlxsw_sp_nexthop *nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ struct mlxsw_sp_nexthop *nh = &nhgi->nexthops[i];
int upper_bound;
if (!nh->should_offload)
{
int i;
- for (i = 0; i < nh_grp->count; i++) {
- struct mlxsw_sp_nexthop *nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nh_grp->nhgi->count; i++) {
+ struct mlxsw_sp_nexthop *nh = &nh_grp->nhgi->nexthops[i];
if (nh->offloaded)
nh->key.fib_nh->fib_nh_flags |= RTNH_F_OFFLOAD;
mlxsw_sp_nexthop_group_offload_refresh(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
{
- switch (mlxsw_sp_nexthop_group_type(nh_grp)) {
- case AF_INET:
+ switch (nh_grp->type) {
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4:
mlxsw_sp_nexthop4_group_offload_refresh(mlxsw_sp, nh_grp);
break;
- case AF_INET6:
+ case MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6:
mlxsw_sp_nexthop6_group_offload_refresh(mlxsw_sp, nh_grp);
break;
}
mlxsw_sp_nexthop_group_refresh(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
{
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh_grp->nhgi;
u16 ecmp_size, old_ecmp_size;
struct mlxsw_sp_nexthop *nh;
bool offload_change = false;
int i;
int err;
- if (!nh_grp->gateway) {
+ if (!nhgi->gateway) {
mlxsw_sp_nexthop_fib_entries_update(mlxsw_sp, nh_grp);
return;
}
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nhgi->count; i++) {
+ nh = &nhgi->nexthops[i];
if (nh->should_offload != nh->offloaded) {
offload_change = true;
/* Nothing was added or removed, so no need to reallocate. Just
* update MAC on existing adjacency indexes.
*/
- err = mlxsw_sp_nexthop_group_update(mlxsw_sp, nh_grp, false);
+ err = mlxsw_sp_nexthop_group_update(mlxsw_sp, nhgi, false);
if (err) {
dev_warn(mlxsw_sp->bus_info->dev, "Failed to update neigh MAC in adjacency table.\n");
goto set_trap;
}
return;
}
- mlxsw_sp_nexthop_group_normalize(nh_grp);
- if (!nh_grp->sum_norm_weight)
+ mlxsw_sp_nexthop_group_normalize(nhgi);
+ if (!nhgi->sum_norm_weight)
/* No neigh of this group is connected so we just set
* the trap and let everthing flow through kernel.
*/
goto set_trap;
- ecmp_size = nh_grp->sum_norm_weight;
+ ecmp_size = nhgi->sum_norm_weight;
err = mlxsw_sp_fix_adj_grp_size(mlxsw_sp, &ecmp_size);
if (err)
/* No valid allocation size available. */
dev_warn(mlxsw_sp->bus_info->dev, "Failed to allocate KVD linear area for nexthop group.\n");
goto set_trap;
}
- old_adj_index_valid = nh_grp->adj_index_valid;
- old_adj_index = nh_grp->adj_index;
- old_ecmp_size = nh_grp->ecmp_size;
- nh_grp->adj_index_valid = 1;
- nh_grp->adj_index = adj_index;
- nh_grp->ecmp_size = ecmp_size;
- mlxsw_sp_nexthop_group_rebalance(nh_grp);
- err = mlxsw_sp_nexthop_group_update(mlxsw_sp, nh_grp, true);
+ old_adj_index_valid = nhgi->adj_index_valid;
+ old_adj_index = nhgi->adj_index;
+ old_ecmp_size = nhgi->ecmp_size;
+ nhgi->adj_index_valid = 1;
+ nhgi->adj_index = adj_index;
+ nhgi->ecmp_size = ecmp_size;
+ mlxsw_sp_nexthop_group_rebalance(nhgi);
+ err = mlxsw_sp_nexthop_group_update(mlxsw_sp, nhgi, true);
if (err) {
dev_warn(mlxsw_sp->bus_info->dev, "Failed to update neigh MAC in adjacency table.\n");
goto set_trap;
return;
set_trap:
- old_adj_index_valid = nh_grp->adj_index_valid;
- nh_grp->adj_index_valid = 0;
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
+ old_adj_index_valid = nhgi->adj_index_valid;
+ nhgi->adj_index_valid = 0;
+ for (i = 0; i < nhgi->count; i++) {
+ nh = &nhgi->nexthops[i];
nh->offloaded = 0;
}
err = mlxsw_sp_nexthop_fib_entries_update(mlxsw_sp, nh_grp);
mlxsw_sp_nexthop_group_offload_refresh(mlxsw_sp, nh_grp);
if (old_adj_index_valid)
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_ADJ,
- nh_grp->ecmp_size, nh_grp->adj_index);
+ nhgi->ecmp_size, nhgi->adj_index);
}
static void __mlxsw_sp_nexthop_neigh_update(struct mlxsw_sp_nexthop *nh,
nh = list_first_entry(&neigh_entry->nexthop_list,
struct mlxsw_sp_nexthop, neigh_list_node);
- n = neigh_lookup(nh->nh_grp->neigh_tbl, &nh->gw_addr, nh->rif->dev);
+ n = neigh_lookup(nh->neigh_tbl, &nh->gw_addr, nh->rif->dev);
if (!n) {
- n = neigh_create(nh->nh_grp->neigh_tbl, &nh->gw_addr,
- nh->rif->dev);
+ n = neigh_create(nh->neigh_tbl, &nh->gw_addr, nh->rif->dev);
if (IS_ERR(n))
return PTR_ERR(n);
neigh_event_send(n, NULL);
neigh_release(old_n);
neigh_clone(n);
__mlxsw_sp_nexthop_neigh_update(nh, !entry_connected);
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nh_grp);
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nhgi->nh_grp);
}
neigh_release(n);
list_for_each_entry(nh, &neigh_entry->nexthop_list,
neigh_list_node) {
__mlxsw_sp_nexthop_neigh_update(nh, removing);
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nh_grp);
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nhgi->nh_grp);
}
}
u8 nud_state, dead;
int err;
- if (!nh->nh_grp->gateway || nh->neigh_entry)
+ if (!nh->nhgi->gateway || nh->neigh_entry)
return 0;
/* Take a reference of neigh here ensuring that neigh would
* The reference is taken either in neigh_lookup() or
* in neigh_create() in case n is not found.
*/
- n = neigh_lookup(nh->nh_grp->neigh_tbl, &nh->gw_addr, nh->rif->dev);
+ n = neigh_lookup(nh->neigh_tbl, &nh->gw_addr, nh->rif->dev);
if (!n) {
- n = neigh_create(nh->nh_grp->neigh_tbl, &nh->gw_addr,
- nh->rif->dev);
+ n = neigh_create(nh->neigh_tbl, &nh->gw_addr, nh->rif->dev);
if (IS_ERR(n))
return PTR_ERR(n);
neigh_event_send(n, NULL);
{
bool removing;
- if (!nh->nh_grp->gateway || nh->ipip_entry)
+ if (!nh->nhgi->gateway || nh->ipip_entry)
return;
nh->ipip_entry = ipip_entry;
mlxsw_sp_netdev_ipip_type(mlxsw_sp, dev, p_ipipt);
}
-static void mlxsw_sp_nexthop_type_fini(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_nexthop *nh)
-{
- switch (nh->type) {
- case MLXSW_SP_NEXTHOP_TYPE_ETH:
- mlxsw_sp_nexthop_neigh_fini(mlxsw_sp, nh);
- mlxsw_sp_nexthop_rif_fini(nh);
- break;
- case MLXSW_SP_NEXTHOP_TYPE_IPIP:
- mlxsw_sp_nexthop_rif_fini(nh);
- mlxsw_sp_nexthop_ipip_fini(mlxsw_sp, nh);
- break;
- }
-}
-
-static int mlxsw_sp_nexthop4_type_init(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_nexthop *nh,
- struct fib_nh *fib_nh)
+static int mlxsw_sp_nexthop_type_init(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop *nh,
+ const struct net_device *dev)
{
const struct mlxsw_sp_ipip_ops *ipip_ops;
- struct net_device *dev = fib_nh->fib_nh_dev;
struct mlxsw_sp_ipip_entry *ipip_entry;
struct mlxsw_sp_rif *rif;
int err;
ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, dev);
if (ipip_entry) {
ipip_ops = mlxsw_sp->router->ipip_ops_arr[ipip_entry->ipipt];
- if (ipip_ops->can_offload(mlxsw_sp, dev,
- MLXSW_SP_L3_PROTO_IPV4)) {
+ if (ipip_ops->can_offload(mlxsw_sp, dev)) {
nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP;
mlxsw_sp_nexthop_ipip_init(mlxsw_sp, nh, ipip_entry);
return 0;
return err;
}
-static void mlxsw_sp_nexthop4_type_fini(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_nexthop *nh)
+static void mlxsw_sp_nexthop_type_fini(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop *nh)
{
- mlxsw_sp_nexthop_type_fini(mlxsw_sp, nh);
+ switch (nh->type) {
+ case MLXSW_SP_NEXTHOP_TYPE_ETH:
+ mlxsw_sp_nexthop_neigh_fini(mlxsw_sp, nh);
+ mlxsw_sp_nexthop_rif_fini(nh);
+ break;
+ case MLXSW_SP_NEXTHOP_TYPE_IPIP:
+ mlxsw_sp_nexthop_rif_fini(nh);
+ mlxsw_sp_nexthop_ipip_fini(mlxsw_sp, nh);
+ break;
+ }
}
static int mlxsw_sp_nexthop4_init(struct mlxsw_sp *mlxsw_sp,
struct in_device *in_dev;
int err;
- nh->nh_grp = nh_grp;
+ nh->nhgi = nh_grp->nhgi;
nh->key.fib_nh = fib_nh;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
nh->nh_weight = fib_nh->fib_nh_weight;
nh->nh_weight = 1;
#endif
memcpy(&nh->gw_addr, &fib_nh->fib_nh_gw4, sizeof(fib_nh->fib_nh_gw4));
+ nh->neigh_tbl = &arp_tbl;
err = mlxsw_sp_nexthop_insert(mlxsw_sp, nh);
if (err)
return err;
if (!dev)
return 0;
+ nh->ifindex = dev->ifindex;
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
}
rcu_read_unlock();
- err = mlxsw_sp_nexthop4_type_init(mlxsw_sp, nh, fib_nh);
+ err = mlxsw_sp_nexthop_type_init(mlxsw_sp, nh, dev);
if (err)
goto err_nexthop_neigh_init;
static void mlxsw_sp_nexthop4_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop *nh)
{
- mlxsw_sp_nexthop4_type_fini(mlxsw_sp, nh);
+ mlxsw_sp_nexthop_type_fini(mlxsw_sp, nh);
list_del(&nh->router_list_node);
mlxsw_sp_nexthop_counter_free(mlxsw_sp, nh);
mlxsw_sp_nexthop_remove(mlxsw_sp, nh);
switch (event) {
case FIB_EVENT_NH_ADD:
- mlxsw_sp_nexthop4_type_init(mlxsw_sp, nh, fib_nh);
+ mlxsw_sp_nexthop_type_init(mlxsw_sp, nh, fib_nh->fib_nh_dev);
break;
case FIB_EVENT_NH_DEL:
- mlxsw_sp_nexthop4_type_fini(mlxsw_sp, nh);
+ mlxsw_sp_nexthop_type_fini(mlxsw_sp, nh);
break;
}
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nh_grp);
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nhgi->nh_grp);
}
static void mlxsw_sp_nexthop_rif_update(struct mlxsw_sp *mlxsw_sp,
}
__mlxsw_sp_nexthop_neigh_update(nh, removing);
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nh_grp);
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nhgi->nh_grp);
}
}
list_for_each_entry_safe(nh, tmp, &rif->nexthop_list, rif_list_node) {
mlxsw_sp_nexthop_type_fini(mlxsw_sp, nh);
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nh_grp);
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nhgi->nh_grp);
}
}
mlxsw_sp_nexthop4_ipip_type(mlxsw_sp, nh, NULL);
}
+static int
+mlxsw_sp_nexthop4_group_info_init(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop_group *nh_grp)
+{
+ unsigned int nhs = fib_info_num_path(nh_grp->ipv4.fi);
+ struct mlxsw_sp_nexthop_group_info *nhgi;
+ struct mlxsw_sp_nexthop *nh;
+ int err, i;
+
+ nhgi = kzalloc(struct_size(nhgi, nexthops, nhs), GFP_KERNEL);
+ if (!nhgi)
+ return -ENOMEM;
+ nh_grp->nhgi = nhgi;
+ nhgi->nh_grp = nh_grp;
+ nhgi->gateway = mlxsw_sp_fi_is_gateway(mlxsw_sp, nh_grp->ipv4.fi);
+ nhgi->count = nhs;
+ for (i = 0; i < nhgi->count; i++) {
+ struct fib_nh *fib_nh;
+
+ nh = &nhgi->nexthops[i];
+ fib_nh = fib_info_nh(nh_grp->ipv4.fi, i);
+ err = mlxsw_sp_nexthop4_init(mlxsw_sp, nh_grp, nh, fib_nh);
+ if (err)
+ goto err_nexthop4_init;
+ }
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
+
+ return 0;
+
+err_nexthop4_init:
+ for (i--; i >= 0; i--) {
+ nh = &nhgi->nexthops[i];
+ mlxsw_sp_nexthop4_fini(mlxsw_sp, nh);
+ }
+ kfree(nhgi);
+ return err;
+}
+
+static void
+mlxsw_sp_nexthop4_group_info_fini(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop_group *nh_grp)
+{
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh_grp->nhgi;
+ int i;
+
+ for (i = nhgi->count - 1; i >= 0; i--) {
+ struct mlxsw_sp_nexthop *nh = &nhgi->nexthops[i];
+
+ mlxsw_sp_nexthop4_fini(mlxsw_sp, nh);
+ }
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
+ WARN_ON_ONCE(nhgi->adj_index_valid);
+ kfree(nhgi);
+}
+
static struct mlxsw_sp_nexthop_group *
mlxsw_sp_nexthop4_group_create(struct mlxsw_sp *mlxsw_sp, struct fib_info *fi)
{
- unsigned int nhs = fib_info_num_path(fi);
struct mlxsw_sp_nexthop_group *nh_grp;
- struct mlxsw_sp_nexthop *nh;
- struct fib_nh *fib_nh;
- int i;
int err;
- nh_grp = kzalloc(struct_size(nh_grp, nexthops, nhs), GFP_KERNEL);
+ nh_grp = kzalloc(sizeof(*nh_grp), GFP_KERNEL);
if (!nh_grp)
return ERR_PTR(-ENOMEM);
- nh_grp->priv = fi;
INIT_LIST_HEAD(&nh_grp->fib_list);
- nh_grp->neigh_tbl = &arp_tbl;
-
- nh_grp->gateway = mlxsw_sp_fi_is_gateway(mlxsw_sp, fi);
- nh_grp->count = nhs;
+ nh_grp->type = MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV4;
+ nh_grp->ipv4.fi = fi;
fib_info_hold(fi);
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
- fib_nh = fib_info_nh(fi, i);
- err = mlxsw_sp_nexthop4_init(mlxsw_sp, nh_grp, nh, fib_nh);
- if (err)
- goto err_nexthop4_init;
- }
+
+ err = mlxsw_sp_nexthop4_group_info_init(mlxsw_sp, nh_grp);
+ if (err)
+ goto err_nexthop_group_info_init;
+
err = mlxsw_sp_nexthop_group_insert(mlxsw_sp, nh_grp);
if (err)
goto err_nexthop_group_insert;
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
+
return nh_grp;
err_nexthop_group_insert:
-err_nexthop4_init:
- for (i--; i >= 0; i--) {
- nh = &nh_grp->nexthops[i];
- mlxsw_sp_nexthop4_fini(mlxsw_sp, nh);
- }
+ mlxsw_sp_nexthop4_group_info_fini(mlxsw_sp, nh_grp);
+err_nexthop_group_info_init:
fib_info_put(fi);
kfree(nh_grp);
return ERR_PTR(err);
mlxsw_sp_nexthop4_group_destroy(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
{
- struct mlxsw_sp_nexthop *nh;
- int i;
-
mlxsw_sp_nexthop_group_remove(mlxsw_sp, nh_grp);
- for (i = 0; i < nh_grp->count; i++) {
- nh = &nh_grp->nexthops[i];
- mlxsw_sp_nexthop4_fini(mlxsw_sp, nh);
- }
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
- WARN_ON_ONCE(nh_grp->adj_index_valid);
- fib_info_put(mlxsw_sp_nexthop4_group_fi(nh_grp));
+ mlxsw_sp_nexthop4_group_info_fini(mlxsw_sp, nh_grp);
+ fib_info_put(nh_grp->ipv4.fi);
kfree(nh_grp);
}
switch (fib_entry->type) {
case MLXSW_SP_FIB_ENTRY_TYPE_REMOTE:
- return !!nh_group->adj_index_valid;
+ return !!nh_group->nhgi->adj_index_valid;
case MLXSW_SP_FIB_ENTRY_TYPE_LOCAL:
- return !!nh_group->nh_rif;
+ return !!nh_group->nhgi->nh_rif;
case MLXSW_SP_FIB_ENTRY_TYPE_BLACKHOLE:
case MLXSW_SP_FIB_ENTRY_TYPE_IPIP_DECAP:
case MLXSW_SP_FIB_ENTRY_TYPE_NVE_DECAP:
{
int i;
- for (i = 0; i < nh_grp->count; i++) {
- struct mlxsw_sp_nexthop *nh = &nh_grp->nexthops[i];
+ for (i = 0; i < nh_grp->nhgi->count; i++) {
+ struct mlxsw_sp_nexthop *nh = &nh_grp->nhgi->nexthops[i];
struct fib6_info *rt = mlxsw_sp_rt6->rt;
if (nh->rif && nh->rif->dev == rt->fib6_nh->fib_nh_dev &&
mlxsw_sp_fib4_entry_hw_flags_set(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib_entry *fib_entry)
{
- struct fib_info *fi = mlxsw_sp_nexthop4_group_fi(fib_entry->nh_group);
u32 *p_dst = (u32 *) fib_entry->fib_node->key.addr;
int dst_len = fib_entry->fib_node->key.prefix_len;
struct mlxsw_sp_fib4_entry *fib4_entry;
should_offload = mlxsw_sp_fib_entry_should_offload(fib_entry);
fib4_entry = container_of(fib_entry, struct mlxsw_sp_fib4_entry,
common);
- fri.fi = fi;
+ fri.fi = fib4_entry->fi;
fri.tb_id = fib4_entry->tb_id;
fri.dst = cpu_to_be32(*p_dst);
fri.dst_len = dst_len;
mlxsw_sp_fib4_entry_hw_flags_clear(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib_entry *fib_entry)
{
- struct fib_info *fi = mlxsw_sp_nexthop4_group_fi(fib_entry->nh_group);
u32 *p_dst = (u32 *) fib_entry->fib_node->key.addr;
int dst_len = fib_entry->fib_node->key.prefix_len;
struct mlxsw_sp_fib4_entry *fib4_entry;
fib4_entry = container_of(fib_entry, struct mlxsw_sp_fib4_entry,
common);
- fri.fi = fi;
+ fri.fi = fib4_entry->fi;
fri.tb_id = fib4_entry->tb_id;
fri.dst = cpu_to_be32(*p_dst);
fri.dst_len = dst_len;
{
switch (op) {
case MLXSW_SP_FIB_ENTRY_OP_WRITE:
+ case MLXSW_SP_FIB_ENTRY_OP_UPDATE:
mlxsw_sp_fib_entry_hw_flags_set(mlxsw_sp, fib_entry);
break;
case MLXSW_SP_FIB_ENTRY_OP_DELETE:
switch (op) {
case MLXSW_SP_FIB_ENTRY_OP_WRITE:
+ case MLXSW_SP_FIB_ENTRY_OP_UPDATE:
ralue_op = MLXSW_REG_RALUE_OP_WRITE_WRITE;
break;
case MLXSW_SP_FIB_ENTRY_OP_DELETE:
{
const struct mlxsw_sp_router_ll_ops *ll_ops = fib_entry->fib_node->fib->ll_ops;
struct mlxsw_sp_nexthop_group *nh_group = fib_entry->nh_group;
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh_group->nhgi;
enum mlxsw_reg_ralue_trap_action trap_action;
u16 trap_id = 0;
u32 adjacency_index = 0;
*/
if (mlxsw_sp_fib_entry_should_offload(fib_entry)) {
trap_action = MLXSW_REG_RALUE_TRAP_ACTION_NOP;
- adjacency_index = fib_entry->nh_group->adj_index;
- ecmp_size = fib_entry->nh_group->ecmp_size;
- } else if (!nh_group->adj_index_valid && nh_group->count &&
- nh_group->nh_rif) {
+ adjacency_index = nhgi->adj_index;
+ ecmp_size = nhgi->ecmp_size;
+ } else if (!nhgi->adj_index_valid && nhgi->count && nhgi->nh_rif) {
err = mlxsw_sp_adj_discard_write(mlxsw_sp,
- nh_group->nh_rif->rif_index);
+ nhgi->nh_rif->rif_index);
if (err)
return err;
trap_action = MLXSW_REG_RALUE_TRAP_ACTION_NOP;
enum mlxsw_sp_fib_entry_op op)
{
const struct mlxsw_sp_router_ll_ops *ll_ops = fib_entry->fib_node->fib->ll_ops;
- struct mlxsw_sp_rif *rif = fib_entry->nh_group->nh_rif;
+ struct mlxsw_sp_rif *rif = fib_entry->nh_group->nhgi->nh_rif;
enum mlxsw_reg_ralue_trap_action trap_action;
u16 trap_id = 0;
u16 rif_index = 0;
static int __mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib_entry_op_ctx *op_ctx,
- struct mlxsw_sp_fib_entry *fib_entry)
+ struct mlxsw_sp_fib_entry *fib_entry,
+ bool is_new)
{
return mlxsw_sp_fib_entry_op(mlxsw_sp, op_ctx, fib_entry,
- MLXSW_SP_FIB_ENTRY_OP_WRITE);
+ is_new ? MLXSW_SP_FIB_ENTRY_OP_WRITE :
+ MLXSW_SP_FIB_ENTRY_OP_UPDATE);
}
static int mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib_entry_op_ctx *op_ctx = mlxsw_sp->router->ll_op_ctx;
mlxsw_sp_fib_entry_op_ctx_clear(op_ctx);
- return __mlxsw_sp_fib_entry_update(mlxsw_sp, op_ctx, fib_entry);
+ return __mlxsw_sp_fib_entry_update(mlxsw_sp, op_ctx, fib_entry, false);
}
static int mlxsw_sp_fib_entry_del(struct mlxsw_sp *mlxsw_sp,
const struct fib_entry_notifier_info *fen_info,
struct mlxsw_sp_fib_entry *fib_entry)
{
- struct net_device *dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev;
+ struct mlxsw_sp_nexthop_group_info *nhgi = fib_entry->nh_group->nhgi;
union mlxsw_sp_l3addr dip = { .addr4 = htonl(fen_info->dst) };
struct mlxsw_sp_router *router = mlxsw_sp->router;
u32 tb_id = mlxsw_sp_fix_tb_id(fen_info->tb_id);
+ int ifindex = nhgi->nexthops[0].ifindex;
struct mlxsw_sp_ipip_entry *ipip_entry;
- struct fib_info *fi = fen_info->fi;
switch (fen_info->type) {
case RTN_LOCAL:
- ipip_entry = mlxsw_sp_ipip_entry_find_by_decap(mlxsw_sp, dev,
- MLXSW_SP_L3_PROTO_IPV4, dip);
+ ipip_entry = mlxsw_sp_ipip_entry_find_by_decap(mlxsw_sp, ifindex,
+ MLXSW_SP_L3_PROTO_IPV4, dip);
if (ipip_entry && ipip_entry->ol_dev->flags & IFF_UP) {
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_IPIP_DECAP;
return mlxsw_sp_fib_entry_decap_init(mlxsw_sp,
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_UNREACHABLE;
return 0;
case RTN_UNICAST:
- if (mlxsw_sp_fi_is_gateway(mlxsw_sp, fi))
+ if (nhgi->gateway)
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_REMOTE;
else
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_LOCAL;
goto err_fib_entry_priv_create;
}
- err = mlxsw_sp_fib4_entry_type_set(mlxsw_sp, fen_info, fib_entry);
- if (err)
- goto err_fib4_entry_type_set;
-
err = mlxsw_sp_nexthop4_group_get(mlxsw_sp, fib_entry, fen_info->fi);
if (err)
goto err_nexthop4_group_get;
- fib4_entry->prio = fen_info->fi->fib_priority;
+ err = mlxsw_sp_fib4_entry_type_set(mlxsw_sp, fen_info, fib_entry);
+ if (err)
+ goto err_fib4_entry_type_set;
+
+ fib4_entry->fi = fen_info->fi;
+ fib_info_hold(fib4_entry->fi);
fib4_entry->tb_id = fen_info->tb_id;
fib4_entry->type = fen_info->type;
fib4_entry->tos = fen_info->tos;
return fib4_entry;
-err_nexthop4_group_get:
- mlxsw_sp_fib4_entry_type_unset(mlxsw_sp, fib_entry);
err_fib4_entry_type_set:
+ mlxsw_sp_nexthop4_group_put(mlxsw_sp, &fib4_entry->common);
+err_nexthop4_group_get:
mlxsw_sp_fib_entry_priv_put(fib_entry->priv);
err_fib_entry_priv_create:
kfree(fib4_entry);
static void mlxsw_sp_fib4_entry_destroy(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib4_entry *fib4_entry)
{
- mlxsw_sp_nexthop4_group_put(mlxsw_sp, &fib4_entry->common);
+ fib_info_put(fib4_entry->fi);
mlxsw_sp_fib4_entry_type_unset(mlxsw_sp, &fib4_entry->common);
+ mlxsw_sp_nexthop4_group_put(mlxsw_sp, &fib4_entry->common);
mlxsw_sp_fib_entry_priv_put(fib4_entry->common.priv);
kfree(fib4_entry);
}
if (fib4_entry->tb_id == fen_info->tb_id &&
fib4_entry->tos == fen_info->tos &&
fib4_entry->type == fen_info->type &&
- mlxsw_sp_nexthop4_group_fi(fib4_entry->common.nh_group) ==
- fen_info->fi)
+ fib4_entry->fi == fen_info->fi)
return fib4_entry;
return NULL;
struct mlxsw_sp_fib_entry *fib_entry)
{
struct mlxsw_sp_fib_node *fib_node = fib_entry->fib_node;
+ bool is_new = !fib_node->fib_entry;
int err;
fib_node->fib_entry = fib_entry;
- err = __mlxsw_sp_fib_entry_update(mlxsw_sp, op_ctx, fib_entry);
+ err = __mlxsw_sp_fib_entry_update(mlxsw_sp, op_ctx, fib_entry, is_new);
if (err)
goto err_fib_entry_update;
{
struct fib6_nh *fib6_nh = mlxsw_sp_rt6->rt->fib6_nh;
- fib6_nh->fib_nh_flags &= ~RTNH_F_OFFLOAD;
+ if (!mlxsw_sp_rt6->rt->nh)
+ fib6_nh->fib_nh_flags &= ~RTNH_F_OFFLOAD;
mlxsw_sp_rt6_release(mlxsw_sp_rt6->rt);
kfree(mlxsw_sp_rt6);
}
mlxsw_sp_netdev_ipip_type(mlxsw_sp, rt->fib6_nh->fib_nh_dev, ret);
}
-static int mlxsw_sp_nexthop6_type_init(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_nexthop_group *nh_grp,
- struct mlxsw_sp_nexthop *nh,
- const struct fib6_info *rt)
-{
- const struct mlxsw_sp_ipip_ops *ipip_ops;
- struct mlxsw_sp_ipip_entry *ipip_entry;
- struct net_device *dev = rt->fib6_nh->fib_nh_dev;
- struct mlxsw_sp_rif *rif;
- int err;
-
- ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, dev);
- if (ipip_entry) {
- ipip_ops = mlxsw_sp->router->ipip_ops_arr[ipip_entry->ipipt];
- if (ipip_ops->can_offload(mlxsw_sp, dev,
- MLXSW_SP_L3_PROTO_IPV6)) {
- nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP;
- mlxsw_sp_nexthop_ipip_init(mlxsw_sp, nh, ipip_entry);
- return 0;
- }
- }
-
- nh->type = MLXSW_SP_NEXTHOP_TYPE_ETH;
- rif = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev);
- if (!rif)
- return 0;
- mlxsw_sp_nexthop_rif_init(nh, rif);
-
- err = mlxsw_sp_nexthop_neigh_init(mlxsw_sp, nh);
- if (err)
- goto err_nexthop_neigh_init;
-
- return 0;
-
-err_nexthop_neigh_init:
- mlxsw_sp_nexthop_rif_fini(nh);
- return err;
-}
-
-static void mlxsw_sp_nexthop6_type_fini(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_nexthop *nh)
-{
- mlxsw_sp_nexthop_type_fini(mlxsw_sp, nh);
-}
-
static int mlxsw_sp_nexthop6_init(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp,
struct mlxsw_sp_nexthop *nh,
{
struct net_device *dev = rt->fib6_nh->fib_nh_dev;
- nh->nh_grp = nh_grp;
+ nh->nhgi = nh_grp->nhgi;
nh->nh_weight = rt->fib6_nh->fib_nh_weight;
memcpy(&nh->gw_addr, &rt->fib6_nh->fib_nh_gw6, sizeof(nh->gw_addr));
+#if IS_ENABLED(CONFIG_IPV6)
+ nh->neigh_tbl = &nd_tbl;
+#endif
mlxsw_sp_nexthop_counter_alloc(mlxsw_sp, nh);
list_add_tail(&nh->router_list_node, &mlxsw_sp->router->nexthop_list);
return 0;
nh->ifindex = dev->ifindex;
- return mlxsw_sp_nexthop6_type_init(mlxsw_sp, nh_grp, nh, rt);
+ return mlxsw_sp_nexthop_type_init(mlxsw_sp, nh, dev);
}
static void mlxsw_sp_nexthop6_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop *nh)
{
- mlxsw_sp_nexthop6_type_fini(mlxsw_sp, nh);
+ mlxsw_sp_nexthop_type_fini(mlxsw_sp, nh);
list_del(&nh->router_list_node);
mlxsw_sp_nexthop_counter_free(mlxsw_sp, nh);
}
mlxsw_sp_nexthop6_ipip_type(mlxsw_sp, rt, NULL);
}
-static struct mlxsw_sp_nexthop_group *
-mlxsw_sp_nexthop6_group_create(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_fib6_entry *fib6_entry)
+static int
+mlxsw_sp_nexthop6_group_info_init(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop_group *nh_grp,
+ struct mlxsw_sp_fib6_entry *fib6_entry)
{
- struct mlxsw_sp_nexthop_group *nh_grp;
+ struct mlxsw_sp_nexthop_group_info *nhgi;
struct mlxsw_sp_rt6 *mlxsw_sp_rt6;
struct mlxsw_sp_nexthop *nh;
- int i = 0;
- int err;
+ int err, i;
- nh_grp = kzalloc(struct_size(nh_grp, nexthops, fib6_entry->nrt6),
- GFP_KERNEL);
- if (!nh_grp)
- return ERR_PTR(-ENOMEM);
- INIT_LIST_HEAD(&nh_grp->fib_list);
-#if IS_ENABLED(CONFIG_IPV6)
- nh_grp->neigh_tbl = &nd_tbl;
-#endif
+ nhgi = kzalloc(struct_size(nhgi, nexthops, fib6_entry->nrt6),
+ GFP_KERNEL);
+ if (!nhgi)
+ return -ENOMEM;
+ nh_grp->nhgi = nhgi;
+ nhgi->nh_grp = nh_grp;
mlxsw_sp_rt6 = list_first_entry(&fib6_entry->rt6_list,
struct mlxsw_sp_rt6, list);
- nh_grp->gateway = mlxsw_sp_rt6_is_gateway(mlxsw_sp, mlxsw_sp_rt6->rt);
- nh_grp->count = fib6_entry->nrt6;
- for (i = 0; i < nh_grp->count; i++) {
+ nhgi->gateway = mlxsw_sp_rt6_is_gateway(mlxsw_sp, mlxsw_sp_rt6->rt);
+ nhgi->count = fib6_entry->nrt6;
+ for (i = 0; i < nhgi->count; i++) {
struct fib6_info *rt = mlxsw_sp_rt6->rt;
- nh = &nh_grp->nexthops[i];
+ nh = &nhgi->nexthops[i];
err = mlxsw_sp_nexthop6_init(mlxsw_sp, nh_grp, nh, rt);
if (err)
goto err_nexthop6_init;
mlxsw_sp_rt6 = list_next_entry(mlxsw_sp_rt6, list);
}
+ nh_grp->nhgi = nhgi;
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
+
+ return 0;
+
+err_nexthop6_init:
+ for (i--; i >= 0; i--) {
+ nh = &nhgi->nexthops[i];
+ mlxsw_sp_nexthop6_fini(mlxsw_sp, nh);
+ }
+ kfree(nhgi);
+ return err;
+}
+
+static void
+mlxsw_sp_nexthop6_group_info_fini(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop_group *nh_grp)
+{
+ struct mlxsw_sp_nexthop_group_info *nhgi = nh_grp->nhgi;
+ int i;
+
+ for (i = nhgi->count - 1; i >= 0; i--) {
+ struct mlxsw_sp_nexthop *nh = &nhgi->nexthops[i];
+
+ mlxsw_sp_nexthop6_fini(mlxsw_sp, nh);
+ }
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
+ WARN_ON_ONCE(nhgi->adj_index_valid);
+ kfree(nhgi);
+}
+
+static struct mlxsw_sp_nexthop_group *
+mlxsw_sp_nexthop6_group_create(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_fib6_entry *fib6_entry)
+{
+ struct mlxsw_sp_nexthop_group *nh_grp;
+ int err;
+
+ nh_grp = kzalloc(sizeof(*nh_grp), GFP_KERNEL);
+ if (!nh_grp)
+ return ERR_PTR(-ENOMEM);
+ INIT_LIST_HEAD(&nh_grp->fib_list);
+ nh_grp->type = MLXSW_SP_NEXTHOP_GROUP_TYPE_IPV6;
+
+ err = mlxsw_sp_nexthop6_group_info_init(mlxsw_sp, nh_grp, fib6_entry);
+ if (err)
+ goto err_nexthop_group_info_init;
err = mlxsw_sp_nexthop_group_insert(mlxsw_sp, nh_grp);
if (err)
goto err_nexthop_group_insert;
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
return nh_grp;
err_nexthop_group_insert:
-err_nexthop6_init:
- for (i--; i >= 0; i--) {
- nh = &nh_grp->nexthops[i];
- mlxsw_sp_nexthop6_fini(mlxsw_sp, nh);
- }
+ mlxsw_sp_nexthop6_group_info_fini(mlxsw_sp, nh_grp);
+err_nexthop_group_info_init:
kfree(nh_grp);
return ERR_PTR(err);
}
mlxsw_sp_nexthop6_group_destroy(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
{
- struct mlxsw_sp_nexthop *nh;
- int i = nh_grp->count;
-
mlxsw_sp_nexthop_group_remove(mlxsw_sp, nh_grp);
- for (i--; i >= 0; i--) {
- nh = &nh_grp->nexthops[i];
- mlxsw_sp_nexthop6_fini(mlxsw_sp, nh);
- }
- mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
- WARN_ON(nh_grp->adj_index_valid);
+ mlxsw_sp_nexthop6_group_info_fini(mlxsw_sp, nh_grp);
kfree(nh_grp);
}
return PTR_ERR(nh_grp);
}
- list_add_tail(&fib6_entry->common.nexthop_group_node,
- &nh_grp->fib_list);
- fib6_entry->common.nh_group = nh_grp;
-
/* The route and the nexthop are described by the same struct, so we
* need to the update the nexthop offload indication for the new route.
*/
__mlxsw_sp_nexthop6_group_offload_refresh(nh_grp, fib6_entry);
+ list_add_tail(&fib6_entry->common.nexthop_group_node,
+ &nh_grp->fib_list);
+ fib6_entry->common.nh_group = nh_grp;
+
return 0;
}
* currently associated with it in the device's table is that
* of the old group. Start using the new one instead.
*/
- err = __mlxsw_sp_fib_entry_update(mlxsw_sp, op_ctx, &fib6_entry->common);
+ err = __mlxsw_sp_fib_entry_update(mlxsw_sp, op_ctx,
+ &fib6_entry->common, false);
if (err)
goto err_fib_entry_update;
struct mlxsw_sp_fib_entry *fib_entry,
const struct fib6_info *rt)
{
- /* Packets hitting RTF_REJECT routes need to be discarded by the
- * stack. We can rely on their destination device not having a
- * RIF (it's the loopback device) and can thus use action type
- * local, which will cause them to be trapped with a lower
- * priority than packets that need to be locally received.
- */
if (rt->fib6_flags & (RTF_LOCAL | RTF_ANYCAST))
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_TRAP;
else if (rt->fib6_type == RTN_BLACKHOLE)
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_BLACKHOLE;
else if (rt->fib6_flags & RTF_REJECT)
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_UNREACHABLE;
- else if (mlxsw_sp_rt6_is_gateway(mlxsw_sp, rt))
+ else if (fib_entry->nh_group->nhgi->gateway)
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_REMOTE;
else
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_LOCAL;
fib6_entry->nrt6++;
}
- mlxsw_sp_fib6_entry_type_set(mlxsw_sp, fib_entry, rt_arr[0]);
-
err = mlxsw_sp_nexthop6_group_get(mlxsw_sp, fib6_entry);
if (err)
goto err_nexthop6_group_get;
+ mlxsw_sp_fib6_entry_type_set(mlxsw_sp, fib_entry, rt_arr[0]);
+
fib_entry->fib_node = fib_node;
return fib6_entry;
projects / linux-2.6-microblaze.git / blobdiff