#include <stdint.h>
+#include <vlib/unix/plugin.h>
#include <plugins/acl/acl.h>
#include <plugins/acl/fa_node.h>
#include <plugins/acl/hash_lookup_private.h>
-
-/* check if a given ACL exists */
-
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-
-/*
- * Define a pointer to the acl_main which will be filled during the initialization.
- */
-acl_main_t *p_acl_main = 0;
-
-/*
- * If the file is included more than once, the symbol collision will make the problem obvious.
- * If the include is done only once, it is just a lonely null var
- * sitting around.
- */
-void *ERROR_ACL_PLUGIN_EXPORTS_FILE_MUST_BE_INCLUDED_ONLY_IN_ONE_PLACE = 0;
-
-u8 (*acl_plugin_acl_exists) (u32 acl_index);
-#else
-u8 acl_plugin_acl_exists (u32 acl_index);
-#endif
-
-
-/*
- * If you are using ACL plugin, get this unique ID first,
- * so you can identify yourself when creating the lookup contexts.
- */
-
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-u32 (*acl_plugin_register_user_module) (char *caller_module_string, char *val1_label, char *val2_label);
-#else
-u32 acl_plugin_register_user_module (char *caller_module_string, char *val1_label, char *val2_label);
-#endif
-
-/*
- * Allocate a new lookup context index.
- * Supply the id assigned to your module during registration,
- * and two values of your choice identifying instances
- * of use within your module. They are useful for debugging.
- */
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-int (*acl_plugin_get_lookup_context_index) (u32 acl_user_id, u32 val1, u32 val2);
-#else
-int acl_plugin_get_lookup_context_index (u32 acl_user_id, u32 val1, u32 val2);
-#endif
-
-/*
- * Release the lookup context index and destroy
- * any asssociated data structures.
- */
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-void (*acl_plugin_put_lookup_context_index) (u32 lc_index);
-#else
-void acl_plugin_put_lookup_context_index (u32 lc_index);
-#endif
-
-/*
- * Prepare the sequential vector of ACL#s to lookup within a given context.
- * Any existing list will be overwritten. acl_list is a vector.
- */
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-int (*acl_plugin_set_acl_vec_for_context) (u32 lc_index, u32 *acl_list);
-#else
-int acl_plugin_set_acl_vec_for_context (u32 lc_index, u32 *acl_list);
-#endif
-
-/* Fill the 5-tuple from the packet */
-
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-void (*acl_plugin_fill_5tuple) (u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input,
- int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt);
-#else
-void acl_plugin_fill_5tuple (u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input,
- int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt);
-#endif
-
-#ifdef ACL_PLUGIN_DEFINED_BELOW_IN_FILE
-static inline
-void acl_plugin_fill_5tuple_inline (u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input,
- int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt) {
- /* FIXME: normally the inlined version of filling in the 5-tuple. But for now just call the non-inlined version */
- acl_plugin_fill_5tuple(lc_index, b0, is_ip6, is_input, is_l2_path, p5tuple_pkt);
-}
-#endif
-
-
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
-int (*acl_plugin_match_5tuple) (u32 lc_index,
- fa_5tuple_opaque_t * pkt_5tuple,
- int is_ip6, u8 * r_action,
- u32 * r_acl_pos_p,
- u32 * r_acl_match_p,
- u32 * r_rule_match_p,
- u32 * trace_bitmap);
-#else
-int acl_plugin_match_5tuple (u32 lc_index,
- fa_5tuple_opaque_t * pkt_5tuple,
- int is_ip6, u8 * r_action,
- u32 * r_acl_pos_p,
- u32 * r_acl_match_p,
- u32 * r_rule_match_p,
- u32 * trace_bitmap);
-#endif
-
-#ifdef ACL_PLUGIN_DEFINED_BELOW_IN_FILE
-static inline int
-acl_plugin_match_5tuple_inline (u32 lc_index,
- fa_5tuple_opaque_t * pkt_5tuple,
- int is_ip6, u8 * r_action,
- u32 * r_acl_pos_p,
- u32 * r_acl_match_p,
- u32 * r_rule_match_p,
- u32 * trace_bitmap) {
- return acl_plugin_match_5tuple(lc_index, pkt_5tuple, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap);
-}
-#endif
-
-#ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
+#include <plugins/acl/exported_types.h>
#define LOAD_SYMBOL_FROM_PLUGIN_TO(p, s, st) \
({ \
#define LOAD_SYMBOL(s) LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", s, s)
-static inline clib_error_t * acl_plugin_exports_init (void)
-{
- LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", acl_main, p_acl_main);
- LOAD_SYMBOL(acl_plugin_acl_exists);
- LOAD_SYMBOL(acl_plugin_register_user_module);
- LOAD_SYMBOL(acl_plugin_get_lookup_context_index);
- LOAD_SYMBOL(acl_plugin_put_lookup_context_index);
- LOAD_SYMBOL(acl_plugin_set_acl_vec_for_context);
- LOAD_SYMBOL(acl_plugin_fill_5tuple);
- LOAD_SYMBOL(acl_plugin_match_5tuple);
- return 0;
-}
-
-#endif
+static inline clib_error_t * acl_plugin_exports_init (acl_plugin_methods_t *m)
+{
+ acl_plugin_methods_vtable_init_fn_t mvi;
+ LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", acl_plugin_methods_vtable_init, mvi);
+ return (mvi(m));
+}
always_inline void *
get_ptr_to_offset (vlib_buffer_t * b0, int offset)
return (offset <= (b0->current_length - 8));
}
+
always_inline void
-acl_fill_5tuple (acl_main_t * am, vlib_buffer_t * b0, int is_ip6,
- int is_input, int is_l2_path, fa_5tuple_t * p5tuple_pkt)
+acl_fill_5tuple_l3_data (acl_main_t * am, vlib_buffer_t * b0, int is_ip6,
+ int l3_offset, fa_5tuple_t * p5tuple_pkt)
+{
+ if (is_ip6)
+ {
+ clib_memcpy (&p5tuple_pkt->ip6_addr,
+ get_ptr_to_offset (b0,
+ offsetof (ip6_header_t,
+ src_address) + l3_offset),
+ sizeof (p5tuple_pkt->ip6_addr));
+ }
+ else
+ {
+ memset(p5tuple_pkt->l3_zero_pad, 0, sizeof(p5tuple_pkt->l3_zero_pad));
+ clib_memcpy (&p5tuple_pkt->ip4_addr,
+ get_ptr_to_offset (b0,
+ offsetof (ip4_header_t,
+ src_address) + l3_offset),
+ sizeof (p5tuple_pkt->ip4_addr));
+ }
+}
+
+always_inline void
+acl_fill_5tuple_l4_and_pkt_data (acl_main_t * am, u32 sw_if_index0, vlib_buffer_t * b0, int is_ip6, int is_input,
+ int l3_offset, fa_session_l4_key_t *p5tuple_l4, fa_packet_info_t *p5tuple_pkt)
{
/* IP4 and IP6 protocol numbers of ICMP */
static u8 icmp_protos_v4v6[] = { IP_PROTOCOL_ICMP, IP_PROTOCOL_ICMP6 };
- int l3_offset;
int l4_offset;
u16 ports[2];
u8 proto;
- if (is_l2_path)
- {
- l3_offset = ethernet_buffer_header_size(b0);
- }
- else
- {
- if (is_input)
- l3_offset = 0;
- else
- l3_offset = vnet_buffer(b0)->ip.save_rewrite_length;
- }
-
- /* key[0..3] contains src/dst address and is cleared/set below */
- /* Remainder of the key and per-packet non-key data */
- p5tuple_pkt->kv.key[4] = 0;
- p5tuple_pkt->kv.value = 0;
- p5tuple_pkt->pkt.is_ip6 = is_ip6;
+ fa_session_l4_key_t tmp_l4 = { .lsb_of_sw_if_index = sw_if_index0 & 0xffff };
+ fa_packet_info_t tmp_pkt = { .is_ip6 = is_ip6, .mask_type_index_lsb = ~0 };
if (is_ip6)
{
- clib_memcpy (&p5tuple_pkt->ip6_addr,
- get_ptr_to_offset (b0,
- offsetof (ip6_header_t,
- src_address) + l3_offset),
- sizeof (p5tuple_pkt->ip6_addr));
proto =
*(u8 *) get_ptr_to_offset (b0,
offsetof (ip6_header_t,
frag_offset = clib_net_to_host_u16(frag_offset) >> 3;
if (frag_offset)
{
- p5tuple_pkt->pkt.is_nonfirst_fragment = 1;
+ tmp_pkt.is_nonfirst_fragment = 1;
/* invalidate L4 offset so we don't try to find L4 info */
l4_offset += b0->current_length;
}
}
else
{
- memset(p5tuple_pkt->l3_zero_pad, 0, sizeof(p5tuple_pkt->l3_zero_pad));
- clib_memcpy (&p5tuple_pkt->ip4_addr,
- get_ptr_to_offset (b0,
- offsetof (ip4_header_t,
- src_address) + l3_offset),
- sizeof (p5tuple_pkt->ip4_addr));
proto =
*(u8 *) get_ptr_to_offset (b0,
offsetof (ip4_header_t,
/* non-initial fragments have non-zero offset */
if ((PREDICT_FALSE(0xfff & flags_and_fragment_offset)))
{
- p5tuple_pkt->pkt.is_nonfirst_fragment = 1;
+ tmp_pkt.is_nonfirst_fragment = 1;
/* invalidate L4 offset so we don't try to find L4 info */
l4_offset += b0->current_length;
}
}
- p5tuple_pkt->l4.proto = proto;
- p5tuple_pkt->l4.is_input = is_input;
+ tmp_l4.proto = proto;
+ tmp_l4.is_input = is_input;
if (PREDICT_TRUE (offset_within_packet (b0, l4_offset)))
{
- p5tuple_pkt->pkt.l4_valid = 1;
+ tmp_pkt.l4_valid = 1;
if (icmp_protos_v4v6[is_ip6] == proto)
{
/* type */
- p5tuple_pkt->l4.port[0] =
+ tmp_l4.port[0] =
*(u8 *) get_ptr_to_offset (b0,
l4_offset + offsetof (icmp46_header_t,
type));
/* code */
- p5tuple_pkt->l4.port[1] =
+ tmp_l4.port[1] =
*(u8 *) get_ptr_to_offset (b0,
l4_offset + offsetof (icmp46_header_t,
code));
- p5tuple_pkt->l4.is_slowpath = 1;
+ tmp_l4.is_slowpath = 1;
}
else if ((IP_PROTOCOL_TCP == proto) || (IP_PROTOCOL_UDP == proto))
{
l4_offset + offsetof (tcp_header_t,
src_port)),
sizeof (ports));
- p5tuple_pkt->l4.port[0] = clib_net_to_host_u16 (ports[0]);
- p5tuple_pkt->l4.port[1] = clib_net_to_host_u16 (ports[1]);
+ tmp_l4.port[0] = clib_net_to_host_u16 (ports[0]);
+ tmp_l4.port[1] = clib_net_to_host_u16 (ports[1]);
- p5tuple_pkt->pkt.tcp_flags =
+ tmp_pkt.tcp_flags =
*(u8 *) get_ptr_to_offset (b0,
l4_offset + offsetof (tcp_header_t,
flags));
- p5tuple_pkt->pkt.tcp_flags_valid = (proto == IP_PROTOCOL_TCP);
- p5tuple_pkt->l4.is_slowpath = 0;
+ tmp_pkt.tcp_flags_valid = (proto == IP_PROTOCOL_TCP);
+ tmp_l4.is_slowpath = 0;
}
else
{
- p5tuple_pkt->l4.is_slowpath = 1;
+ tmp_l4.is_slowpath = 1;
}
}
+
+ p5tuple_pkt->as_u64 = tmp_pkt.as_u64;
+ p5tuple_l4->as_u64 = tmp_l4.as_u64;
+}
+
+always_inline void
+acl_fill_5tuple (acl_main_t * am, u32 sw_if_index0, vlib_buffer_t * b0, int is_ip6,
+ int is_input, int is_l2_path, fa_5tuple_t * p5tuple_pkt)
+{
+ int l3_offset;
+
+ if (is_l2_path)
+ {
+ l3_offset = ethernet_buffer_header_size(b0);
+ }
+ else
+ {
+ if (is_input)
+ l3_offset = 0;
+ else
+ l3_offset = vnet_buffer(b0)->ip.save_rewrite_length;
+ }
+
+ /* key[0..3] contains src/dst address and is cleared/set below */
+ /* Remainder of the key and per-packet non-key data */
+ acl_fill_5tuple_l3_data(am, b0, is_ip6, l3_offset, p5tuple_pkt);
+ acl_fill_5tuple_l4_and_pkt_data(am, sw_if_index0, b0, is_ip6, is_input, l3_offset, &p5tuple_pkt->l4, &p5tuple_pkt->pkt);
}
always_inline void
-acl_plugin_fill_5tuple_inline (u32 lc_index, vlib_buffer_t * b0, int is_ip6,
+acl_plugin_fill_5tuple_inline (void *p_acl_main, u32 lc_index, vlib_buffer_t * b0, int is_ip6,
int is_input, int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt)
{
acl_main_t *am = p_acl_main;
- acl_fill_5tuple(am, b0, is_ip6, is_input, is_l2_path, (fa_5tuple_t *)p5tuple_pkt);
+ acl_fill_5tuple(am, 0, b0, is_ip6, is_input, is_l2_path, (fa_5tuple_t *)p5tuple_pkt);
}
}
always_inline int
-acl_plugin_single_acl_match_5tuple (u32 acl_index, fa_5tuple_t * pkt_5tuple,
+acl_plugin_single_acl_match_5tuple (void *p_acl_main, u32 acl_index, fa_5tuple_t * pkt_5tuple,
int is_ip6, u8 * r_action, u32 * r_acl_match_p,
u32 * r_rule_match_p, u32 * trace_bitmap)
{
}
always_inline int
-linear_multi_acl_match_5tuple (u32 lc_index, fa_5tuple_t * pkt_5tuple,
+linear_multi_acl_match_5tuple (void *p_acl_main, u32 lc_index, fa_5tuple_t * pkt_5tuple,
int is_ip6, u8 *r_action, u32 *acl_pos_p, u32 * acl_match_p,
u32 * rule_match_p, u32 * trace_bitmap)
{
}
always_inline int
-hash_multi_acl_match_5tuple (u32 lc_index, fa_5tuple_t * pkt_5tuple,
+hash_multi_acl_match_5tuple (void *p_acl_main, u32 lc_index, fa_5tuple_t * pkt_5tuple,
int is_ip6, u8 *action, u32 *acl_pos_p, u32 * acl_match_p,
u32 * rule_match_p, u32 * trace_bitmap)
{
always_inline int
-acl_plugin_match_5tuple_inline (u32 lc_index,
+acl_plugin_match_5tuple_inline (void *p_acl_main, u32 lc_index,
fa_5tuple_opaque_t * pkt_5tuple,
int is_ip6, u8 * r_action,
u32 * r_acl_pos_p,
fa_5tuple_t * pkt_5tuple_internal = (fa_5tuple_t *)pkt_5tuple;
pkt_5tuple_internal->pkt.lc_index = lc_index;
if (am->use_hash_acl_matching) {
- return hash_multi_acl_match_5tuple(lc_index, pkt_5tuple_internal, is_ip6, r_action,
+ return hash_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action,
r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap);
} else {
- return linear_multi_acl_match_5tuple(lc_index, pkt_5tuple_internal, is_ip6, r_action,
+ return linear_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action,
r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap);
}
}
Code Review / vpp.git / blobdiff