diff options
Diffstat (limited to 'drivers/net/ethernet')
4 files changed, 196 insertions, 27 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c index 3ea13148ed05..51e6846da72b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c @@ -76,6 +76,7 @@ static struct devlink_dpipe_header *mlxsw_dpipe_headers[] = { &mlxsw_sp_dpipe_header_metadata, &devlink_dpipe_header_ethernet, &devlink_dpipe_header_ipv4, + &devlink_dpipe_header_ipv6, }; static struct devlink_dpipe_headers mlxsw_sp_dpipe_headers = { @@ -328,9 +329,21 @@ static int mlxsw_sp_dpipe_table_host_matches_dump(struct sk_buff *skb, int type) if (err) return err; - match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; - match.header = &devlink_dpipe_header_ipv4; - match.field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP; + switch (type) { + case AF_INET: + match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; + match.header = &devlink_dpipe_header_ipv4; + match.field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP; + break; + case AF_INET6: + match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; + match.header = &devlink_dpipe_header_ipv6; + match.field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP; + break; + default: + WARN_ON(1); + return -EINVAL; + } return devlink_dpipe_match_put(skb, &match); } @@ -342,7 +355,7 @@ mlxsw_sp_dpipe_table_host4_matches_dump(void *priv, struct sk_buff *skb) } static int -mlxsw_sp_dpipe_table_host4_actions_dump(void *priv, struct sk_buff *skb) +mlxsw_sp_dpipe_table_host_actions_dump(void *priv, struct sk_buff *skb) { struct devlink_dpipe_action action = {0}; @@ -373,8 +386,19 @@ mlxsw_sp_dpipe_table_host_match_action_prepare(struct devlink_dpipe_match *match match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; - match->header = &devlink_dpipe_header_ipv4; - match->field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP; + switch (type) { + case AF_INET: + match->header = &devlink_dpipe_header_ipv4; + match->field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP; + break; + case AF_INET6: + match->header = &devlink_dpipe_header_ipv6; + match->field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP; + break; + default: + WARN_ON(1); + return; + } action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; action->header = &devlink_dpipe_header_ethernet; @@ -411,7 +435,18 @@ mlxsw_sp_dpipe_table_host_entry_prepare(struct devlink_dpipe_entry *entry, match_value = &match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; match_value->match = match; - match_value->value_size = sizeof(u32); + switch (type) { + case AF_INET: + match_value->value_size = sizeof(u32); + break; + case AF_INET6: + match_value->value_size = sizeof(struct in6_addr); + break; + default: + WARN_ON(1); + return -EINVAL; + } + match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); if (!match_value->value) return -ENOMEM; @@ -426,13 +461,12 @@ mlxsw_sp_dpipe_table_host_entry_prepare(struct devlink_dpipe_entry *entry, } static void -__mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry *entry, - struct mlxsw_sp_rif *rif, - unsigned char *ha, u32 dip) +__mlxsw_sp_dpipe_table_host_entry_fill(struct devlink_dpipe_entry *entry, + struct mlxsw_sp_rif *rif, + unsigned char *ha, void *dip) { struct devlink_dpipe_value *value; u32 *rif_value; - u32 *dip_value; u8 *ha_value; /* Set Match RIF index */ @@ -445,9 +479,7 @@ __mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry *entry, /* Set Match DIP */ value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; - - dip_value = value->value; - *dip_value = dip; + memcpy(value->value, dip, value->value_size); /* Set Action DMAC */ value = entry->action_values; @@ -465,7 +497,21 @@ mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry *entry, ha = mlxsw_sp_neigh_entry_ha(neigh_entry); dip = mlxsw_sp_neigh4_entry_dip(neigh_entry); - __mlxsw_sp_dpipe_table_host4_entry_fill(entry, rif, ha, dip); + __mlxsw_sp_dpipe_table_host_entry_fill(entry, rif, ha, &dip); +} + +static void +mlxsw_sp_dpipe_table_host6_entry_fill(struct devlink_dpipe_entry *entry, + struct mlxsw_sp_neigh_entry *neigh_entry, + struct mlxsw_sp_rif *rif) +{ + struct in6_addr *dip; + unsigned char *ha; + + ha = mlxsw_sp_neigh_entry_ha(neigh_entry); + dip = mlxsw_sp_neigh6_entry_dip(neigh_entry); + + __mlxsw_sp_dpipe_table_host_entry_fill(entry, rif, ha, dip); } static void @@ -477,7 +523,18 @@ mlxsw_sp_dpipe_table_host_entry_fill(struct mlxsw_sp *mlxsw_sp, { int err; - mlxsw_sp_dpipe_table_host4_entry_fill(entry, neigh_entry, rif); + switch (type) { + case AF_INET: + mlxsw_sp_dpipe_table_host4_entry_fill(entry, neigh_entry, rif); + break; + case AF_INET6: + mlxsw_sp_dpipe_table_host6_entry_fill(entry, neigh_entry, rif); + break; + default: + WARN_ON(1); + return; + } + err = mlxsw_sp_neigh_counter_get(mlxsw_sp, neigh_entry, &entry->counter); if (!err) @@ -516,7 +573,13 @@ start_again: rif_neigh_count = 0; mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) { - if (mlxsw_sp_neigh_entry_type(neigh_entry) != type) + int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry); + + if (neigh_type != type) + continue; + + if (neigh_type == AF_INET6 && + mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) continue; if (rif_neigh_count < rif_neigh_skip) @@ -616,8 +679,15 @@ mlxsw_sp_dpipe_table_host_counters_update(struct mlxsw_sp *mlxsw_sp, if (!rif) continue; mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) { - if (mlxsw_sp_neigh_entry_type(neigh_entry) != type) + int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry); + + if (neigh_type != type) continue; + + if (neigh_type == AF_INET6 && + mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) + continue; + mlxsw_sp_neigh_entry_counter_update(mlxsw_sp, neigh_entry, enable); @@ -648,8 +718,15 @@ mlxsw_sp_dpipe_table_host_size_get(struct mlxsw_sp *mlxsw_sp, int type) if (!rif) continue; mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) { - if (mlxsw_sp_neigh_entry_type(neigh_entry) != type) + int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry); + + if (neigh_type != type) continue; + + if (neigh_type == AF_INET6 && + mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) + continue; + size++; } } @@ -667,7 +744,7 @@ static u64 mlxsw_sp_dpipe_table_host4_size_get(void *priv) static struct devlink_dpipe_table_ops mlxsw_sp_host4_ops = { .matches_dump = mlxsw_sp_dpipe_table_host4_matches_dump, - .actions_dump = mlxsw_sp_dpipe_table_host4_actions_dump, + .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump, .entries_dump = mlxsw_sp_dpipe_table_host4_entries_dump, .counters_set_update = mlxsw_sp_dpipe_table_host4_counters_update, .size_get = mlxsw_sp_dpipe_table_host4_size_get, @@ -691,6 +768,64 @@ static void mlxsw_sp_dpipe_host4_table_fini(struct mlxsw_sp *mlxsw_sp) MLXSW_SP_DPIPE_TABLE_NAME_HOST4); } +static int +mlxsw_sp_dpipe_table_host6_matches_dump(void *priv, struct sk_buff *skb) +{ + return mlxsw_sp_dpipe_table_host_matches_dump(skb, AF_INET6); +} + +static int +mlxsw_sp_dpipe_table_host6_entries_dump(void *priv, bool counters_enabled, + struct devlink_dpipe_dump_ctx *dump_ctx) +{ + struct mlxsw_sp *mlxsw_sp = priv; + + return mlxsw_sp_dpipe_table_host_entries_dump(mlxsw_sp, + counters_enabled, + dump_ctx, AF_INET6); +} + +static int mlxsw_sp_dpipe_table_host6_counters_update(void *priv, bool enable) +{ + struct mlxsw_sp *mlxsw_sp = priv; + + mlxsw_sp_dpipe_table_host_counters_update(mlxsw_sp, enable, AF_INET6); + return 0; +} + +static u64 mlxsw_sp_dpipe_table_host6_size_get(void *priv) +{ + struct mlxsw_sp *mlxsw_sp = priv; + + return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET6); +} + +static struct devlink_dpipe_table_ops mlxsw_sp_host6_ops = { + .matches_dump = mlxsw_sp_dpipe_table_host6_matches_dump, + .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump, + .entries_dump = mlxsw_sp_dpipe_table_host6_entries_dump, + .counters_set_update = mlxsw_sp_dpipe_table_host6_counters_update, + .size_get = mlxsw_sp_dpipe_table_host6_size_get, +}; + +static int mlxsw_sp_dpipe_host6_table_init(struct mlxsw_sp *mlxsw_sp) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); + + return devlink_dpipe_table_register(devlink, + MLXSW_SP_DPIPE_TABLE_NAME_HOST6, + &mlxsw_sp_host6_ops, + mlxsw_sp, false); +} + +static void mlxsw_sp_dpipe_host6_table_fini(struct mlxsw_sp *mlxsw_sp) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); + + devlink_dpipe_table_unregister(devlink, + MLXSW_SP_DPIPE_TABLE_NAME_HOST6); +} + int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp) { struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); @@ -707,8 +842,14 @@ int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp) err = mlxsw_sp_dpipe_host4_table_init(mlxsw_sp); if (err) goto err_host4_table_init; + + err = mlxsw_sp_dpipe_host6_table_init(mlxsw_sp); + if (err) + goto err_host6_table_init; return 0; +err_host6_table_init: + mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp); err_host4_table_init: mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp); err_erif_table_init: @@ -720,6 +861,7 @@ void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp) { struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); + mlxsw_sp_dpipe_host6_table_fini(mlxsw_sp); mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp); mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp); devlink_dpipe_headers_unregister(devlink); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h index c56a3d92a2bb..283fde4e6783 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h @@ -55,5 +55,6 @@ static inline void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp) #define MLXSW_SP_DPIPE_TABLE_NAME_ERIF "mlxsw_erif" #define MLXSW_SP_DPIPE_TABLE_NAME_HOST4 "mlxsw_host4" +#define MLXSW_SP_DPIPE_TABLE_NAME_HOST6 "mlxsw_host6" #endif /* _MLXSW_PIPELINE_H_*/ diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 377d85cff7fa..0cf68102d113 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -947,6 +947,15 @@ u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry) return ntohl(*((__be32 *) n->primary_key)); } +struct in6_addr * +mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry) +{ + struct neighbour *n; + + n = neigh_entry->key.n; + return (struct in6_addr *) &n->primary_key; +} + int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, u64 *p_counter) @@ -999,21 +1008,33 @@ mlxsw_sp_neigh_entry_remove(struct mlxsw_sp *mlxsw_sp, } static bool -mlxsw_sp_neigh4_counter_should_alloc(struct mlxsw_sp *mlxsw_sp) +mlxsw_sp_neigh_counter_should_alloc(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_neigh_entry *neigh_entry) { struct devlink *devlink; + const char *table_name; + + switch (mlxsw_sp_neigh_entry_type(neigh_entry)) { + case AF_INET: + table_name = MLXSW_SP_DPIPE_TABLE_NAME_HOST4; + break; + case AF_INET6: + table_name = MLXSW_SP_DPIPE_TABLE_NAME_HOST6; + break; + default: + WARN_ON(1); + return false; + } devlink = priv_to_devlink(mlxsw_sp->core); - return devlink_dpipe_table_counter_enabled(devlink, - MLXSW_SP_DPIPE_TABLE_NAME_HOST4); + return devlink_dpipe_table_counter_enabled(devlink, table_name); } static void mlxsw_sp_neigh_counter_alloc(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry) { - if (mlxsw_sp_neigh_entry_type(neigh_entry) != AF_INET || - !mlxsw_sp_neigh4_counter_should_alloc(mlxsw_sp)) + if (!mlxsw_sp_neigh_counter_should_alloc(mlxsw_sp, neigh_entry)) return; if (mlxsw_sp_flow_counter_alloc(mlxsw_sp, &neigh_entry->counter_index)) @@ -1396,8 +1417,10 @@ mlxsw_sp_router_neigh_entry_op6(struct mlxsw_sp *mlxsw_sp, mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl); } -static bool mlxsw_sp_neigh_ipv6_ignore(struct neighbour *n) +bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry) { + struct neighbour *n = neigh_entry->key.n; + /* Packets with a link-local destination address are trapped * after LPM lookup and never reach the neighbour table, so * there is no need to program such neighbours to the device. @@ -1420,7 +1443,7 @@ mlxsw_sp_neigh_entry_update(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_router_neigh_entry_op4(mlxsw_sp, neigh_entry, mlxsw_sp_rauht_op(adding)); } else if (neigh_entry->key.n->tbl->family == AF_INET6) { - if (mlxsw_sp_neigh_ipv6_ignore(neigh_entry->key.n)) + if (mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) return; mlxsw_sp_router_neigh_entry_op6(mlxsw_sp, neigh_entry, mlxsw_sp_rauht_op(adding)); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h index fb0f971c670c..87a04afee138 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h @@ -65,6 +65,8 @@ int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); unsigned char * mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); +struct in6_addr * +mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \ for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \ @@ -76,5 +78,6 @@ void mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, bool adding); +bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); #endif /* _MLXSW_ROUTER_H_*/ |