diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2018-04-17 19:35:42 +0200 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2018-07-19 07:51:32 +0000 |
| commit | 22b3b846822df2701bb6cb508fa4e023526e5717 (patch) | |
| tree | d676d1ec14beb902293180a1b60b5ba54ada714e /src/plugins/gbp/gbp_policy.c | |
| parent | 07f3586c5a9868ccee381af528de39b373d7720a (diff) | |
gbp: Add support for ACL
Change-Id: I7513c41307e62068ab5d9739cac393675c6066f8
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/plugins/gbp/gbp_policy.c')
| -rw-r--r-- | src/plugins/gbp/gbp_policy.c | 59 |
1 files changed, 45 insertions, 14 deletions
diff --git a/src/plugins/gbp/gbp_policy.c b/src/plugins/gbp/gbp_policy.c index 8f3fc76a019..38254644631 100644 --- a/src/plugins/gbp/gbp_policy.c +++ b/src/plugins/gbp/gbp_policy.c @@ -68,6 +68,7 @@ static uword gbp_policy (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { + gbp_main_t *gm = &gbp_main; gbp_policy_main_t *gpm = &gbp_policy_main; u32 n_left_from, *from, *to_next; u32 next_index; @@ -86,9 +87,11 @@ gbp_policy (vlib_main_t * vm, { gbp_policy_next_t next0; gbp_contract_key_t key0; + gbp_contract_value_t value0 = { + .as_u64 = ~0, + }; u32 bi0, sw_if_index0; vlib_buffer_t *b0; - u32 acl_index0; next0 = GBP_POLICY_NEXT_DENY; bi0 = from[0]; @@ -106,7 +109,6 @@ gbp_policy (vlib_main_t * vm, sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX]; key0.gck_dst = gbp_port_to_epg (sw_if_index0); key0.gck_src = vnet_buffer2 (b0)->gbp.src_epg; - acl_index0 = ~0; if (~0 != key0.gck_src) { @@ -120,20 +122,48 @@ gbp_policy (vlib_main_t * vm, } else { - acl_index0 = gbp_acl_lookup (&key0); + value0.as_u64 = gbp_acl_lookup (&key0); - if (~0 != acl_index0) + if (~0 != value0.gc_lc_index) { + fa_5tuple_opaque_t pkt_5tuple0; + u8 action0 = 0; + u32 acl_pos_p0, acl_match_p0; + u32 rule_match_p0, trace_bitmap0; + u8 *h0, l2_len0; + u16 ether_type0; + u8 is_ip60 = 0; + + l2_len0 = vnet_buffer (b0)->l2.l2_len; + h0 = vlib_buffer_get_current (b0); + + ether_type0 = + clib_net_to_host_u16 (*(u16 *) (h0 + l2_len0 - 2)); + + is_ip60 = (ether_type0 == ETHERNET_TYPE_IP6) ? 1 : 0; /* - * TODO tests against the ACL - */ - /* - * ACL tables are not available outside of ACL plugin - * until then bypass the ACL to next node + * tests against the ACL */ - next0 = - vnet_l2_feature_next (b0, gpm->l2_output_feat_next, - L2OUTPUT_FEAT_GBP_POLICY); + acl_plugin_fill_5tuple_inline (gm-> + acl_plugin.p_acl_main, + value0.gc_lc_index, b0, + is_ip60, + /* is_input */ 0, + /* is_l2_path */ 1, + &pkt_5tuple0); + acl_plugin_match_5tuple_inline (gm-> + acl_plugin.p_acl_main, + value0.gc_lc_index, + &pkt_5tuple0, is_ip60, + &action0, &acl_pos_p0, + &acl_match_p0, + &rule_match_p0, + &trace_bitmap0); + + if (action0 > 0) + next0 = + vnet_l2_feature_next (b0, gpm->l2_output_feat_next, + L2OUTPUT_FEAT_GBP_POLICY); } } } @@ -153,7 +183,7 @@ gbp_policy (vlib_main_t * vm, vlib_add_trace (vm, node, b0, sizeof (*t)); t->src_epg = key0.gck_src; t->dst_epg = key0.gck_dst; - t->acl_index = acl_index0; + t->acl_index = value0.gc_acl_index; } /* verify speculative enqueue, maybe switch current next frame */ @@ -209,6 +239,7 @@ static clib_error_t * gbp_policy_init (vlib_main_t * vm) { gbp_policy_main_t *gpm = &gbp_policy_main; + clib_error_t *error = 0; /* Initialize the feature next-node indexes */ feat_bitmap_init_next_nodes (vm, @@ -217,7 +248,7 @@ gbp_policy_init (vlib_main_t * vm) l2output_get_feat_names (), gpm->l2_output_feat_next); - return 0; + return error; } VLIB_INIT_FUNCTION (gbp_policy_init); |