From c5c6a3342f3cbaaac647d52fd960b6f5b0fcd4e0 Mon Sep 17 00:00:00 2001 From: Juraj Sloboda Date: Tue, 9 Jan 2018 16:08:32 +0100 Subject: Add basic support for DS-Lite CE (VPP-1059) Change-Id: Ifcca60da3f77c0a4959f98b3365c846badbdc2d0 Signed-off-by: Juraj Sloboda --- src/plugins/nat/dslite.c | 109 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 98 insertions(+), 11 deletions(-) (limited to 'src/plugins/nat/dslite.c') diff --git a/src/plugins/nat/dslite.c b/src/plugins/nat/dslite.c index c86cc8d7e1d..12c813200ec 100644 --- a/src/plugins/nat/dslite.c +++ b/src/plugins/nat/dslite.c @@ -65,30 +65,105 @@ dslite_init (vlib_main_t * vm) } /* *INDENT-ON* */ + dm->is_ce = 0; + dslite_dpo_module_init (); } +void +dslite_set_ce (dslite_main_t * dm, u8 set) +{ + dm->is_ce = (set != 0); +} + int dslite_set_aftr_ip6_addr (dslite_main_t * dm, ip6_address_t * addr) { - dpo_id_t dpo_v6 = DPO_INVALID; + dpo_id_t dpo = DPO_INVALID; - dslite_dpo_create (DPO_PROTO_IP6, 0, &dpo_v6); - fib_prefix_t pfx = { - .fp_proto = FIB_PROTOCOL_IP6, - .fp_len = 128, - .fp_addr.ip6.as_u64[0] = addr->as_u64[0], - .fp_addr.ip6.as_u64[1] = addr->as_u64[1], - }; - fib_table_entry_special_dpo_add (0, &pfx, FIB_SOURCE_PLUGIN_HI, - FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v6); - dpo_reset (&dpo_v6); + if (dm->is_ce) + { + dslite_ce_dpo_create (DPO_PROTO_IP4, 0, &dpo); + fib_prefix_t pfx = { + .fp_proto = FIB_PROTOCOL_IP4, + .fp_len = 0, + .fp_addr.ip4.as_u32 = 0, + }; + fib_table_entry_special_dpo_add (0, &pfx, FIB_SOURCE_PLUGIN_HI, + FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); + } + else + { + dslite_dpo_create (DPO_PROTO_IP6, 0, &dpo); + fib_prefix_t pfx = { + .fp_proto = FIB_PROTOCOL_IP6, + .fp_len = 128, + .fp_addr.ip6.as_u64[0] = addr->as_u64[0], + .fp_addr.ip6.as_u64[1] = addr->as_u64[1], + }; + fib_table_entry_special_dpo_add (0, &pfx, FIB_SOURCE_PLUGIN_HI, + FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); + } + + dpo_reset (&dpo); dm->aftr_ip6_addr.as_u64[0] = addr->as_u64[0]; dm->aftr_ip6_addr.as_u64[1] = addr->as_u64[1]; return 0; } +int +dslite_set_aftr_ip4_addr (dslite_main_t * dm, ip4_address_t * addr) +{ + dm->aftr_ip4_addr.as_u32 = addr->as_u32; + return 0; +} + +int +dslite_set_b4_ip6_addr (dslite_main_t * dm, ip6_address_t * addr) +{ + if (dm->is_ce) + { + dpo_id_t dpo = DPO_INVALID; + + dslite_ce_dpo_create (DPO_PROTO_IP6, 0, &dpo); + fib_prefix_t pfx = { + .fp_proto = FIB_PROTOCOL_IP6, + .fp_len = 128, + .fp_addr.ip6.as_u64[0] = addr->as_u64[0], + .fp_addr.ip6.as_u64[1] = addr->as_u64[1], + }; + fib_table_entry_special_dpo_add (0, &pfx, FIB_SOURCE_PLUGIN_HI, + FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); + + dpo_reset (&dpo); + + dm->b4_ip6_addr.as_u64[0] = addr->as_u64[0]; + dm->b4_ip6_addr.as_u64[1] = addr->as_u64[1]; + } + else + { + return VNET_API_ERROR_FEATURE_DISABLED; + } + + return 0; +} + +int +dslite_set_b4_ip4_addr (dslite_main_t * dm, ip4_address_t * addr) +{ + if (dm->is_ce) + { + dm->b4_ip4_addr.as_u32 = addr->as_u32; + } + else + { + return VNET_API_ERROR_FEATURE_DISABLED; + } + + return 0; +} + int dslite_add_del_pool_addr (dslite_main_t * dm, ip4_address_t * addr, u8 is_add) { @@ -155,6 +230,18 @@ format_dslite_trace (u8 * s, va_list * args) return s; } +u8 * +format_dslite_ce_trace (u8 * s, va_list * args) +{ + CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); + CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); + dslite_ce_trace_t *t = va_arg (*args, dslite_ce_trace_t *); + + s = format (s, "next index %d", t->next_index); + + return s; +} + /* * fd.io coding-style-patch-verification: ON * -- cgit 1.2.3-korg