From 410774bde1155c85076d6d7105f6af4e97815045 Mon Sep 17 00:00:00 2001 From: Arkadi Sharshevsky Date: Thu, 31 Aug 2017 17:59:17 +0200 Subject: [PATCH] mlxsw: spectrum_dpipe: Add support for IPv6 host table dump Add support for IPv6 host table dump. Signed-off-by: Arkadi Sharshevsky Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- .../ethernet/mellanox/mlxsw/spectrum_dpipe.c | 75 +++++++++++++++++-- 1 file changed, 70 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c index 5924e97d5958..75da2eff4db9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c @@ -386,8 +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; @@ -424,7 +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; @@ -478,6 +500,20 @@ mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry *entry, __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 mlxsw_sp_dpipe_table_host_entry_fill(struct mlxsw_sp *mlxsw_sp, struct devlink_dpipe_entry *entry, @@ -487,7 +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) @@ -526,7 +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) @@ -714,6 +767,17 @@ 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 u64 mlxsw_sp_dpipe_table_host6_size_get(void *priv) { struct mlxsw_sp *mlxsw_sp = priv; @@ -724,6 +788,7 @@ static u64 mlxsw_sp_dpipe_table_host6_size_get(void *priv) 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, .size_get = mlxsw_sp_dpipe_table_host6_size_get, }; -- 2.20.1