diff options
author | Klement Sekera <ksekera@cisco.com> | 2019-06-24 11:52:49 +0000 |
---|---|---|
committer | Ole Trøan <otroan@employees.org> | 2019-09-25 08:23:04 +0000 |
commit | 896c896a3c4ed563a270281ff8b50fd253f4833f (patch) | |
tree | 801170d6b2d3c7ae4ff782e7f7088b4d6146d393 /src/vnet | |
parent | 5e2f84d2cf97a6efa89c1c4bbf80de6a8f03d2a8 (diff) |
ip: refactor reassembly
this is a preparation step for introducing other reassembly types
Type: refactor
Change-Id: I197e299dbd729b00eead31667913b8ceff915d63
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src/vnet')
-rw-r--r-- | src/vnet/CMakeLists.txt | 8 | ||||
-rw-r--r-- | src/vnet/ip/ip46_cli.c | 16 | ||||
-rw-r--r-- | src/vnet/ip/ip4_forward.c | 2 | ||||
-rw-r--r-- | src/vnet/ip/ip4_input.c | 2 | ||||
-rw-r--r-- | src/vnet/ip/ip6_forward.c | 2 | ||||
-rw-r--r-- | src/vnet/ip/ip_api.c | 44 | ||||
-rw-r--r-- | src/vnet/ip/reass/ip4_full_reass.c (renamed from src/vnet/ip/ip4_reassembly.c) | 847 | ||||
-rw-r--r-- | src/vnet/ip/reass/ip4_full_reass.h (renamed from src/vnet/ip/ip4_reassembly.h) | 22 | ||||
-rw-r--r-- | src/vnet/ip/reass/ip6_full_reass.c (renamed from src/vnet/ip/ip6_reassembly.c) | 737 | ||||
-rw-r--r-- | src/vnet/ip/reass/ip6_full_reass.h (renamed from src/vnet/ip/ip6_reassembly.h) | 21 |
10 files changed, 872 insertions, 829 deletions
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt index 1e51f3d7102..aaa16d8389b 100644 --- a/src/vnet/CMakeLists.txt +++ b/src/vnet/CMakeLists.txt @@ -431,7 +431,7 @@ list(APPEND VNET_SOURCES ip/ip4_pg.c ip/ip4_source_and_port_range_check.c ip/ip4_source_check.c - ip/ip4_reassembly.c + ip/reass/ip4_full_reass.c ip/ip6_format.c ip/ip6_forward.c ip/ip6_ll_table.c @@ -441,7 +441,7 @@ list(APPEND VNET_SOURCES ip/ip6_input.c ip/ip6_neighbor.c ip/ip6_pg.c - ip/ip6_reassembly.c + ip/reass/ip6_full_reass.c ip/rd_cp.c ip/ip_neighbor.c ip/ip_api.c @@ -461,9 +461,9 @@ list(APPEND VNET_SOURCES list(APPEND VNET_MULTIARCH_SOURCES ip/ip4_source_check.c ip/ip4_punt_drop.c - ip/ip4_reassembly.c + ip/reass/ip4_full_reass.c ip/ip6_hop_by_hop.c - ip/ip6_reassembly.c + ip/reass/ip6_full_reass.c ip/ip6_input.c ip/ip6_punt_drop.c ip/punt_node.c diff --git a/src/vnet/ip/ip46_cli.c b/src/vnet/ip/ip46_cli.c index e0e26a2ce5d..ee797ab7068 100644 --- a/src/vnet/ip/ip46_cli.c +++ b/src/vnet/ip/ip46_cli.c @@ -38,8 +38,8 @@ */ #include <vnet/ip/ip.h> -#include <vnet/ip/ip4_reassembly.h> -#include <vnet/ip/ip6_reassembly.h> +#include <vnet/ip/reass/ip4_full_reass.h> +#include <vnet/ip/reass/ip6_full_reass.h> /** * @file @@ -269,26 +269,26 @@ set_reassembly_command_fn (vlib_main_t * vm, } - vnet_api_error_t rv4 = ip4_reass_enable_disable (sw_if_index, ip4_on); - vnet_api_error_t rv6 = ip6_reass_enable_disable (sw_if_index, ip6_on); + vnet_api_error_t rv4 = ip4_full_reass_enable_disable (sw_if_index, ip4_on); + vnet_api_error_t rv6 = ip6_full_reass_enable_disable (sw_if_index, ip6_on); if (rv4 && rv6) { return clib_error_return (0, - "`ip4_reass_enable_disable' API call failed, rv=%d:%U, " - "`ip6_reass_enable_disable' API call failed, rv=%d:%U", + "`ip4_full_reass_enable_disable' API call failed, rv=%d:%U, " + "`ip6_full_reass_enable_disable' API call failed, rv=%d:%U", (int) rv4, format_vnet_api_errno, rv4, (int) rv6, format_vnet_api_errno, rv6); } else if (rv4) { return clib_error_return (0, - "`ip4_reass_enable_disable' API call failed, rv=%d:%U", + "`ip4_full_reass_enable_disable' API call failed, rv=%d:%U", (int) rv4, format_vnet_api_errno, rv4); } else if (rv6) { return clib_error_return (0, - "`ip6_reass_enable_disable' API call failed, rv=%d:%U", + "`ip6_full_reass_enable_disable' API call failed, rv=%d:%U", (int) rv6, format_vnet_api_errno, rv6); } return NULL; diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index 2250e0385bc..d4717c6db4b 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -1871,7 +1871,7 @@ VLIB_REGISTER_NODE (ip4_local_node) = [IP_LOCAL_NEXT_PUNT] = "ip4-punt", [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip4-udp-lookup", [IP_LOCAL_NEXT_ICMP] = "ip4-icmp-input", - [IP_LOCAL_NEXT_REASSEMBLY] = "ip4-reassembly", + [IP_LOCAL_NEXT_REASSEMBLY] = "ip4-full-reassembly", }, }; /* *INDENT-ON* */ diff --git a/src/vnet/ip/ip4_input.c b/src/vnet/ip/ip4_input.c index 94c4aac4271..6093b136c3d 100644 --- a/src/vnet/ip/ip4_input.c +++ b/src/vnet/ip/ip4_input.c @@ -398,7 +398,7 @@ VLIB_REGISTER_NODE (ip4_input_node) = { [IP4_INPUT_NEXT_LOOKUP] = "ip4-lookup", [IP4_INPUT_NEXT_LOOKUP_MULTICAST] = "ip4-mfib-forward-lookup", [IP4_INPUT_NEXT_ICMP_ERROR] = "ip4-icmp-error", - [IP4_INPUT_NEXT_REASSEMBLY] = "ip4-reassembly", + [IP4_INPUT_NEXT_REASSEMBLY] = "ip4-full-reassembly", }, .format_buffer = format_ip4_header, diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c index 067db77c412..eb6c89b39d7 100644 --- a/src/vnet/ip/ip6_forward.c +++ b/src/vnet/ip/ip6_forward.c @@ -1517,7 +1517,7 @@ VLIB_REGISTER_NODE (ip6_local_node) = [IP_LOCAL_NEXT_PUNT] = "ip6-punt", [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip6-udp-lookup", [IP_LOCAL_NEXT_ICMP] = "ip6-icmp-input", - [IP_LOCAL_NEXT_REASSEMBLY] = "ip6-reassembly", + [IP_LOCAL_NEXT_REASSEMBLY] = "ip6-full-reassembly", }, }; /* *INDENT-ON* */ diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c index 7e87f4b8db0..3e04b9f740c 100644 --- a/src/vnet/ip/ip_api.c +++ b/src/vnet/ip/ip_api.c @@ -43,8 +43,8 @@ #include <vnet/fib/ip6_fib.h> #include <vnet/fib/fib_path_list.h> #include <vnet/ip/ip6_hop_by_hop.h> -#include <vnet/ip/ip4_reassembly.h> -#include <vnet/ip/ip6_reassembly.h> +#include <vnet/ip/reass/ip4_full_reass.h> +#include <vnet/ip/reass/ip6_full_reass.h> #include <vnet/ethernet/arp.h> #include <vnet/ip/ip_types_api.h> @@ -2738,17 +2738,21 @@ vl_api_ip_reassembly_set_t_handler (vl_api_ip_reassembly_set_t * mp) int rv = 0; if (mp->is_ip6) { - rv = ip6_reass_set (clib_net_to_host_u32 (mp->timeout_ms), - clib_net_to_host_u32 (mp->max_reassemblies), - clib_net_to_host_u32 (mp->max_reassembly_length), - clib_net_to_host_u32 (mp->expire_walk_interval_ms)); + rv = ip6_full_reass_set (clib_net_to_host_u32 (mp->timeout_ms), + clib_net_to_host_u32 (mp->max_reassemblies), + clib_net_to_host_u32 + (mp->max_reassembly_length), + clib_net_to_host_u32 + (mp->expire_walk_interval_ms)); } else { - rv = ip4_reass_set (clib_net_to_host_u32 (mp->timeout_ms), - clib_net_to_host_u32 (mp->max_reassemblies), - clib_net_to_host_u32 (mp->max_reassembly_length), - clib_net_to_host_u32 (mp->expire_walk_interval_ms)); + rv = ip4_full_reass_set (clib_net_to_host_u32 (mp->timeout_ms), + clib_net_to_host_u32 (mp->max_reassemblies), + clib_net_to_host_u32 + (mp->max_reassembly_length), + clib_net_to_host_u32 + (mp->expire_walk_interval_ms)); } REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY); @@ -2771,15 +2775,16 @@ vl_api_ip_reassembly_get_t_handler (vl_api_ip_reassembly_get_t * mp) if (mp->is_ip6) { rmp->is_ip6 = 1; - ip6_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies, - &rmp->expire_walk_interval_ms); + ip6_full_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies, + &rmp->max_reassembly_length, + &rmp->expire_walk_interval_ms); } else { rmp->is_ip6 = 0; - ip4_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies, - &rmp->max_reassembly_length, - &rmp->expire_walk_interval_ms); + ip4_full_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies, + &rmp->max_reassembly_length, + &rmp->expire_walk_interval_ms); } rmp->timeout_ms = clib_host_to_net_u32 (rmp->timeout_ms); rmp->max_reassemblies = clib_host_to_net_u32 (rmp->max_reassemblies); @@ -2794,12 +2799,13 @@ void { vl_api_ip_reassembly_enable_disable_reply_t *rmp; int rv = 0; - rv = ip4_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), - mp->enable_ip4); + rv = ip4_full_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), + mp->enable_ip4); if (0 == rv) { - rv = ip6_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), - mp->enable_ip6); + rv = + ip6_full_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), + mp->enable_ip6); } REPLY_MACRO (VL_API_IP_REASSEMBLY_ENABLE_DISABLE_REPLY); diff --git a/src/vnet/ip/ip4_reassembly.c b/src/vnet/ip/reass/ip4_full_reass.c index 682cad965af..7cf4f43b0a8 100644 --- a/src/vnet/ip/ip4_reassembly.c +++ b/src/vnet/ip/reass/ip4_full_reass.c @@ -15,16 +15,17 @@ /** * @file - * @brief IPv4 Reassembly. + * @brief IPv4 Full Reassembly. * - * This file contains the source code for IPv4 reassembly. + * This file contains the source code for IPv4 full reassembly. */ #include <vppinfra/vec.h> #include <vnet/vnet.h> #include <vnet/ip/ip.h> +#include <vppinfra/fifo.h> #include <vppinfra/bihash_16_8.h> -#include <vnet/ip/ip4_reassembly.h> +#include <vnet/ip/reass/ip4_full_reass.h> #include <stddef.h> #define MSEC_PER_SEC 1000 @@ -63,7 +64,7 @@ typedef enum IP4_REASS_RC_INTERNAL_ERROR, IP4_REASS_RC_NO_BUF, IP4_REASS_RC_HANDOFF, -} ip4_reass_rc_t; +} ip4_full_reass_rc_t; typedef struct { @@ -80,7 +81,7 @@ typedef struct }; u64 as_u64[2]; }; -} ip4_reass_key_t; +} ip4_full_reass_key_t; typedef union { @@ -90,37 +91,38 @@ typedef union u32 memory_owner_thread_index; }; u64 as_u64; -} ip4_reass_val_t; +} ip4_full_reass_val_t; typedef union { struct { - ip4_reass_key_t k; - ip4_reass_val_t v; + ip4_full_reass_key_t k; + ip4_full_reass_val_t v; }; clib_bihash_kv_16_8_t kv; -} ip4_reass_kv_t; +} ip4_full_reass_kv_t; always_inline u32 -ip4_reass_buffer_get_data_offset (vlib_buffer_t * b) +ip4_full_reass_buffer_get_data_offset (vlib_buffer_t * b) { vnet_buffer_opaque_t *vnb = vnet_buffer (b); return vnb->ip.reass.range_first - vnb->ip.reass.fragment_first; } always_inline u16 -ip4_reass_buffer_get_data_len (vlib_buffer_t * b) +ip4_full_reass_buffer_get_data_len (vlib_buffer_t * b) { vnet_buffer_opaque_t *vnb = vnet_buffer (b); return clib_min (vnb->ip.reass.range_last, vnb->ip.reass.fragment_last) - - (vnb->ip.reass.fragment_first + ip4_reass_buffer_get_data_offset (b)) + 1; + (vnb->ip.reass.fragment_first + + ip4_full_reass_buffer_get_data_offset (b)) + 1; } typedef struct { // hash table key - ip4_reass_key_t key; + ip4_full_reass_key_t key; // time when last packet was received f64 last_heard; // internal id of this reassembly @@ -146,16 +148,15 @@ typedef struct // thread which received fragment with offset 0 and which sends out the // completed reassembly u32 sendout_thread_index; -} ip4_reass_t; +} ip4_full_reass_t; typedef struct { - // pool of reassembly contexts - ip4_reass_t *pool; + ip4_full_reass_t *pool; u32 reass_n; u32 id_counter; clib_spinlock_t lock; -} ip4_reass_per_thread_t; +} ip4_full_reass_per_thread_t; typedef struct { @@ -171,33 +172,34 @@ typedef struct // IPv4 runtime clib_bihash_16_8_t hash; // per-thread data - ip4_reass_per_thread_t *per_thread_data; + ip4_full_reass_per_thread_t *per_thread_data; // convenience vlib_main_t *vlib_main; // node index of ip4-drop node u32 ip4_drop_idx; - u32 ip4_reass_expire_node_idx; + u32 ip4_full_reass_expire_node_idx; /** Worker handoff */ u32 fq_index; u32 fq_feature_index; -} ip4_reass_main_t; -extern ip4_reass_main_t ip4_reass_main; +} ip4_full_reass_main_t; + +extern ip4_full_reass_main_t ip4_full_reass_main; #ifndef CLIB_MARCH_VARIANT -ip4_reass_main_t ip4_reass_main; +ip4_full_reass_main_t ip4_full_reass_main; #endif /* CLIB_MARCH_VARIANT */ typedef enum { - IP4_REASSEMBLY_NEXT_INPUT, - IP4_REASSEMBLY_NEXT_DROP, - IP4_REASSEMBLY_NEXT_HANDOFF, - IP4_REASSEMBLY_N_NEXT, -} ip4_reass_next_t; + IP4_FULL_REASS_NEXT_INPUT, + IP4_FULL_REASS_NEXT_DROP, + IP4_FULL_REASS_NEXT_HANDOFF, + IP4_FULL_REASS_N_NEXT, +} ip4_full_reass_next_t; typedef enum { @@ -207,7 +209,7 @@ typedef enum RANGE_OVERLAP, FINALIZE, HANDOFF, -} ip4_reass_trace_operation_e; +} ip4_full_reass_trace_operation_e; typedef struct { @@ -217,13 +219,13 @@ typedef struct i32 data_offset; u32 data_len; u32 first_bi; -} ip4_reass_range_trace_t; +} ip4_full_reass_range_trace_t; typedef struct { - ip4_reass_trace_operation_e action; + ip4_full_reass_trace_operation_e action; u32 reass_id; - ip4_reass_range_trace_t trace_range; + ip4_full_reass_range_trace_t trace_range; u32 size_diff; u32 op_id; u32 thread_id; @@ -231,40 +233,42 @@ typedef struct u32 fragment_first; u32 fragment_last; u32 total_data_len; -} ip4_reass_trace_t; +} ip4_full_reass_trace_t; -extern vlib_node_registration_t ip4_reass_node; -extern vlib_node_registration_t ip4_reass_node_feature; +extern vlib_node_registration_t ip4_full_reass_node; +extern vlib_node_registration_t ip4_full_reass_node_feature; static void -ip4_reass_trace_details (vlib_main_t * vm, u32 bi, - ip4_reass_range_trace_t * trace) +ip4_full_reass_trace_details (vlib_main_t * vm, u32 bi, + ip4_full_reass_range_trace_t * trace) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); vnet_buffer_opaque_t *vnb = vnet_buffer (b); trace->range_first = vnb->ip.reass.range_first; trace->range_last = vnb->ip.reass.range_last; - trace->data_offset = ip4_reass_buffer_get_data_offset (b); - trace->data_len = ip4_reass_buffer_get_data_len (b); + trace->data_offset = ip4_full_reass_buffer_get_data_offset (b); + trace->data_len = ip4_full_reass_buffer_get_data_len (b); trace->range_bi = bi; } static u8 * -format_ip4_reass_range_trace (u8 * s, va_list * args) +format_ip4_full_reass_range_trace (u8 * s, va_list * args) { - ip4_reass_range_trace_t *trace = va_arg (*args, ip4_reass_range_trace_t *); - s = format (s, "range: [%u, %u], off %d, len %u, bi %u", trace->range_first, - trace->range_last, trace->data_offset, trace->data_len, - trace->range_bi); + ip4_full_reass_range_trace_t *trace = + va_arg (*args, ip4_full_reass_range_trace_t *); + s = + format (s, "range: [%u, %u], off %d, len %u, bi %u", trace->range_first, + trace->range_last, trace->data_offset, trace->data_len, + trace->range_bi); return s; } static u8 * -format_ip4_reass_trace (u8 * s, va_list * args) +format_ip4_full_reass_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 *); - ip4_reass_trace_t *t = va_arg (*args, ip4_reass_trace_t *); + ip4_full_reass_trace_t *t = va_arg (*args, ip4_full_reass_trace_t *); u32 indent = 0; if (~0 != t->reass_id) { @@ -280,20 +284,20 @@ format_ip4_reass_trace (u8 * s, va_list * args) { case RANGE_SHRINK: s = format (s, "\n%Ushrink %U by %u", format_white_space, indent, - format_ip4_reass_range_trace, &t->trace_range, + format_ip4_full_reass_range_trace, &t->trace_range, t->size_diff); break; case RANGE_DISCARD: s = format (s, "\n%Udiscard %U", format_white_space, indent, - format_ip4_reass_range_trace, &t->trace_range); + format_ip4_full_reass_range_trace, &t->trace_range); break; case RANGE_NEW: s = format (s, "\n%Unew %U", format_white_space, indent, - format_ip4_reass_range_trace, &t->trace_range); + format_ip4_full_reass_range_trace, &t->trace_range); break; case RANGE_OVERLAP: s = format (s, "\n%Uoverlapping/ignored %U", format_white_space, indent, - format_ip4_reass_range_trace, &t->trace_range); + format_ip4_full_reass_range_trace, &t->trace_range); break; case FINALIZE: s = format (s, "\n%Ufinalize reassembly", format_white_space, indent); @@ -308,29 +312,40 @@ format_ip4_reass_trace (u8 * s, va_list * args) } static void -ip4_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, - ip4_reass_main_t * rm, u32 reass_id, u32 op_id, - u32 bi, u32 first_bi, u32 data_len, - ip4_reass_trace_operation_e action, u32 size_diff, - u32 thread_id_to) +ip4_full_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, + ip4_full_reass_main_t * rm, + ip4_full_reass_t * reass, u32 bi, + ip4_full_reass_trace_operation_e action, + u32 size_diff, u32 thread_id_to) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); vnet_buffer_opaque_t *vnb = vnet_buffer (b); - ip4_reass_trace_t *t = vlib_add_trace (vm, node, b, sizeof (t[0])); - t->reass_id = reass_id; + ip4_full_reass_trace_t *t = vlib_add_trace (vm, node, b, sizeof (t[0])); + if (reass) + { + t->reass_id = reass->id; + t->op_id = reass->trace_op_counter; + t->trace_range.first_bi = reass->first_bi; + t->total_data_len = reass->data_len; + ++reass->trace_op_counter; + } + else + { + t->reass_id = ~0; + t->op_id = 0; + t->trace_range.first_bi = 0; + t->total_data_len = 0; + } t->action = action; - ip4_reass_trace_details (vm, bi, &t->trace_range); + ip4_full_reass_trace_details (vm, bi, &t->trace_range); t->size_diff = size_diff; - t->op_id = op_id; t->thread_id = vm->thread_index; t->thread_id_to = thread_id_to; t->fragment_first = vnb->ip.reass.fragment_first; t->fragment_last = vnb->ip.reass.fragment_last; - t->trace_range.first_bi = first_bi; - t->total_data_len = data_len; #if 0 static u8 *s = NULL; - s = format (s, "%U", format_ip4_reass_trace, NULL, NULL, t); + s = format (s, "%U", format_ip4_full_reass_trace, NULL, NULL, t); printf ("%.*s\n", vec_len (s), s); fflush (stdout); vec_reset_length (s); @@ -338,26 +353,28 @@ ip4_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, } always_inline void -ip4_reass_free_ctx (ip4_reass_per_thread_t * rt, ip4_reass_t * reass) +ip4_full_reass_free_ctx (ip4_full_reass_per_thread_t * rt, + ip4_full_reass_t * reass) { pool_put (rt->pool, reass); --rt->reass_n; } always_inline void -ip4_reass_free (vlib_main_t * vm, ip4_reass_main_t * rm, - ip4_reass_per_thread_t * rt, ip4_reass_t * reass) +ip4_full_reass_free (ip4_full_reass_main_t * rm, + ip4_full_reass_per_thread_t * rt, + ip4_full_reass_t * reass) { clib_bihash_kv_16_8_t kv; kv.key[0] = reass->key.as_u64[0]; kv.key[1] = reass->key.as_u64[1]; clib_bihash_add_del_16_8 (&rm->hash, &kv, 0); - return ip4_reass_free_ctx (rt, reass); + return ip4_full_reass_free_ctx (rt, reass); } always_inline void -ip4_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node, - ip4_reass_main_t * rm, ip4_reass_t * reass) +ip4_full_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node, + ip4_full_reass_main_t * rm, ip4_full_reass_t * reass) { u32 range_bi = reass->first_bi; vlib_buffer_t *range_b; @@ -416,12 +433,23 @@ ip4_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node, } } -static ip4_reass_t * -ip4_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node, - ip4_reass_main_t * rm, ip4_reass_per_thread_t * rt, - ip4_reass_kv_t * kv, u8 * do_handoff) +always_inline void +ip4_full_reass_init (ip4_full_reass_t * reass) { - ip4_reass_t *reass; + reass->first_bi = ~0; + reass->last_packet_octet = ~0; + reass->data_len = 0; + reass->next_index = ~0; + reass->error_next_index = ~0; +} + +always_inline ip4_full_reass_t * +ip4_full_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node, + ip4_full_reass_main_t * rm, + ip4_full_reass_per_thread_t * rt, + ip4_full_reass_kv_t * kv, u8 * do_handoff) +{ + ip4_full_reass_t *reass; f64 now; again: @@ -443,8 +471,8 @@ again: if (now > reass->last_heard + rm->timeout) { - ip4_reass_drop_all (vm, node, rm, reass); - ip4_reass_free (vm, rm, rt, reass); + ip4_full_reass_drop_all (vm, node, rm, reass); + ip4_full_reass_free (rm, rt, reass); reass = NULL; } } @@ -467,11 +495,7 @@ again: reass->id = ((u64) vm->thread_index * 1000000000) + rt->id_counter; reass->memory_owner_thread_index = vm->thread_index; ++rt->id_counter; - reass->first_bi = ~0; - reass->last_packet_octet = ~0; - reass->data_len = 0; - reass->next_index = ~0; - reass->error_next_index = ~0; + ip4_full_reass_init (reass); ++rt->reass_n; } @@ -485,7 +509,7 @@ again: clib_bihash_add_del_16_8 (&rm->hash, (clib_bihash_kv_16_8_t *) kv, 2); if (rv) { - ip4_reass_free_ctx (rt, reass); + ip4_full_reass_free_ctx (rt, reass); reass = NULL; // if other worker created a context already work with the other copy if (-2 == rv) @@ -495,11 +519,12 @@ again: return reass; } -always_inline ip4_reass_rc_t -ip4_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, - ip4_reass_main_t * rm, ip4_reass_per_thread_t * rt, - ip4_reass_t * reass, u32 * bi0, u32 * next0, u32 * error0, - bool is_custom_app) +always_inline ip4_full_reass_rc_t +ip4_full_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, + ip4_full_reass_main_t * rm, + ip4_full_reass_per_thread_t * rt, + ip4_full_reass_t * reass, u32 * bi0, + u32 * next0, u32 * error0, bool is_custom_app) { vlib_buffer_t *first_b = vlib_get_buffer (vm, reass->first_bi); vlib_buffer_t *last_b = NULL; @@ -518,15 +543,15 @@ ip4_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, return IP4_REASS_RC_INTERNAL_ERROR; } - u32 data_len = ip4_reass_buffer_get_data_len (tmp); + u32 data_len = ip4_full_reass_buffer_get_data_len (tmp); u32 trim_front = - ip4_header_bytes (ip) + ip4_reass_buffer_get_data_offset (tmp); + ip4_header_bytes (ip) + ip4_full_reass_buffer_get_data_offset (tmp); u32 trim_end = vlib_buffer_length_in_chain (vm, tmp) - trim_front - data_len; if (tmp_bi == reass->first_bi) { /* first buffer - keep ip4 header */ - if (0 != ip4_reass_buffer_get_data_offset (tmp)) + if (0 != ip4_full_reass_buffer_get_data_offset (tmp)) { return IP4_REASS_RC_INTERNAL_ERROR; } @@ -653,10 +678,8 @@ ip4_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, first_b->flags &= ~VLIB_BUFFER_EXT_HDR_VALID; if (PREDICT_FALSE (first_b->flags & VLIB_BUFFER_IS_TRACED)) { - ip4_reass_add_trace (vm, node, rm, reass->id, reass->trace_op_counter, - reass->first_bi, reass->first_bi, reass->data_len, - FINALIZE, 0, ~0); - ++reass->trace_op_counter; + ip4_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, + FINALIZE, 0, ~0); #if 0 // following code does a hexdump of packet fragments to stdout ... do @@ -687,7 +710,7 @@ ip4_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, *bi0 = reass->first_bi; if (!is_custom_app) { - *next0 = IP4_REASSEMBLY_NEXT_INPUT; + *next0 = IP4_FULL_REASS_NEXT_INPUT; } else { @@ -695,17 +718,17 @@ ip4_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, } vnet_buffer (first_b)->ip.reass.estimated_mtu = reass->min_fragment_length; *error0 = IP4_ERROR_NONE; - ip4_reass_free (vm, rm, rt, reass); + ip4_full_reass_free (rm, rt, reass); reass = NULL; return IP4_REASS_RC_OK; } -always_inline ip4_reass_rc_t -ip4_reass_insert_range_in_chain (vlib_main_t * vm, - ip4_reass_main_t * rm, - ip4_reass_per_thread_t * rt, - ip4_reass_t * reass, - u32 prev_range_bi, u32 new_next_bi) +always_inline ip4_full_reass_rc_t +ip4_full_reass_insert_range_in_chain (vlib_main_t * vm, + ip4_full_reass_main_t * rm, + ip4_full_reass_per_thread_t * rt, + ip4_full_reass_t * reass, + u32 prev_range_bi, u32 new_next_bi) { vlib_buffer_t *new_next_b = vlib_get_buffer (vm, new_next_bi); vnet_buffer_opaque_t *new_next_vnb = vnet_buffer (new_next_b); @@ -730,16 +753,16 @@ ip4_reass_insert_range_in_chain (vlib_main_t * vm, { return IP4_REASS_RC_INTERNAL_ERROR; } - reass->data_len += ip4_reass_buffer_get_data_len (new_next_b); + reass->data_len += ip4_full_reass_buffer_get_data_len (new_next_b); return IP4_REASS_RC_OK; } -always_inline ip4_reass_rc_t -ip4_reass_remove_range_from_chain (vlib_main_t * vm, - vlib_node_runtime_t * node, - ip4_reass_main_t * rm, - ip4_reass_t * reass, u32 prev_range_bi, - u32 discard_bi) +always_inline ip4_full_reass_rc_t +ip4_full_reass_remove_range_from_chain (vlib_main_t * vm, + vlib_node_runtime_t * node, + ip4_full_reass_main_t * rm, + ip4_full_reass_t * reass, + u32 prev_range_bi, u32 discard_bi) { vlib_buffer_t *discard_b = vlib_get_buffer (vm, discard_bi); vnet_buffer_opaque_t *discard_vnb = vnet_buffer (discard_b); @@ -763,17 +786,14 @@ ip4_reass_remove_range_from_chain (vlib_main_t * vm, { return IP4_REASS_RC_INTERNAL_ERROR; } - reass->data_len -= ip4_reass_buffer_get_data_len (discard_b); + reass->data_len -= ip4_full_reass_buffer_get_data_len (discard_b); while (1) { u32 to_be_freed_bi = discard_bi; if (PREDICT_FALSE (discard_b->flags & VLIB_BUFFER_IS_TRACED)) { - ip4_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, discard_bi, - reass->first_bi, reass->data_len, - RANGE_DISCARD, 0, ~0); - ++reass->trace_op_counter; + ip4_full_reass_add_trace (vm, node, rm, reass, discard_bi, + RANGE_DISCARD, 0, ~0); } if (discard_b->flags & VLIB_BUFFER_NEXT_PRESENT) { @@ -793,16 +813,15 @@ ip4_reass_remove_range_from_chain (vlib_main_t * vm, return IP4_REASS_RC_OK; } -always_inline ip4_reass_rc_t -ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, - ip4_reass_main_t * rm, ip4_reass_per_thread_t * rt, - ip4_reass_t * reass, u32 * bi0, u32 * next0, u32 * error0, - bool is_custom_app, u32 * handoff_thread_idx) +always_inline ip4_full_reass_rc_t +ip4_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, + ip4_full_reass_main_t * rm, + ip4_full_reass_per_thread_t * rt, + ip4_full_reass_t * reass, u32 * bi0, u32 * next0, + u32 * error0, bool is_custom_app, + u32 * handoff_thread_idx) { - ip4_reass_rc_t rc = IP4_REASS_RC_OK; - int consumed = 0; vlib_buffer_t *fb = vlib_get_buffer (vm, *bi0); - ip4_header_t *fip = vlib_buffer_get_current (fb); vnet_buffer_opaque_t *fvnb = vnet_buffer (fb); if (is_custom_app) { @@ -810,6 +829,9 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, reass->next_index = fvnb->ip.reass.next_index; reass->error_next_index = fvnb->ip.reass.error_next_index; } + ip4_full_reass_rc_t rc = IP4_REASS_RC_OK; + int consumed = 0; + ip4_header_t *fip = vlib_buffer_get_current (fb); const u32 fragment_first = ip4_get_fragment_offset_bytes (fip); const u32 fragment_length = clib_net_to_host_u16 (fip->length) - ip4_header_bytes (fip); @@ -830,26 +852,25 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { // starting a new reassembly rc = - ip4_reass_insert_range_in_chain (vm, rm, rt, reass, prev_range_bi, - *bi0); + ip4_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, *bi0); if (IP4_REASS_RC_OK != rc) { return rc; } if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip4_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, *bi0, reass->first_bi, - reass->data_len, RANGE_NEW, 0, ~0); - ++reass->trace_op_counter; + ip4_full_reass_add_trace (vm, node, rm, reass, *bi0, RANGE_NEW, 0, + ~0); } *bi0 = ~0; reass->min_fragment_length = clib_net_to_host_u16 (fip->length); reass->fragments_n = 1; return IP4_REASS_RC_OK; } - reass->min_fragment_length = clib_min (clib_net_to_host_u16 (fip->length), - fvnb->ip.reass.estimated_mtu); + reass->min_fragment_length = + clib_min (clib_net_to_host_u16 (fip->length), + fvnb->ip.reass.estimated_mtu); while (~0 != candidate_range_bi) { vlib_buffer_t *candidate_b = vlib_get_buffer (vm, candidate_range_bi); @@ -864,8 +885,8 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { // special case - this fragment falls beyond all known ranges rc = - ip4_reass_insert_range_in_chain (vm, rm, rt, reass, - prev_range_bi, *bi0); + ip4_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, *bi0); if (IP4_REASS_RC_OK != rc) { return rc; @@ -879,8 +900,8 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { // this fragment ends before candidate range without any overlap rc = - ip4_reass_insert_range_in_chain (vm, rm, rt, reass, prev_range_bi, - *bi0); + ip4_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, *bi0); if (IP4_REASS_RC_OK != rc) { return rc; @@ -895,11 +916,8 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, // this fragment is a (sub)part of existing range, ignore it if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip4_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, *bi0, - reass->first_bi, reass->data_len, - RANGE_OVERLAP, 0, ~0); - ++reass->trace_op_counter; + ip4_full_reass_add_trace (vm, node, rm, reass, *bi0, + RANGE_OVERLAP, 0, ~0); } break; } @@ -908,7 +926,7 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { u32 overlap = fragment_last - candidate_vnb->ip.reass.range_first + 1; - if (overlap < ip4_reass_buffer_get_data_len (candidate_b)) + if (overlap < ip4_full_reass_buffer_get_data_len (candidate_b)) { candidate_vnb->ip.reass.range_first += overlap; if (reass->data_len < overlap) @@ -918,16 +936,14 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, reass->data_len -= overlap; if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip4_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, - candidate_range_bi, - reass->first_bi, reass->data_len, - RANGE_SHRINK, 0, ~0); - ++reass->trace_op_counter; + ip4_full_reass_add_trace (vm, node, rm, reass, + candidate_range_bi, + RANGE_SHRINK, 0, ~0); } rc = - ip4_reass_insert_range_in_chain (vm, rm, rt, reass, - prev_range_bi, *bi0); + ip4_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, + *bi0); if (IP4_REASS_RC_OK != rc) { return rc; @@ -943,7 +959,7 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { u32 overlap = candidate_vnb->ip.reass.range_last - fragment_first + 1; - if (overlap < ip4_reass_buffer_get_data_len (candidate_b)) + if (overlap < ip4_full_reass_buffer_get_data_len (candidate_b)) { fvnb->ip.reass.range_first += overlap; if (~0 != candidate_vnb->ip.reass.next_range_bi) @@ -957,9 +973,10 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { // special case - last range discarded rc = - ip4_reass_insert_range_in_chain (vm, rm, rt, reass, - candidate_range_bi, - *bi0); + ip4_full_reass_insert_range_in_chain (vm, rm, rt, + reass, + candidate_range_bi, + *bi0); if (IP4_REASS_RC_OK != rc) { return rc; @@ -981,9 +998,9 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, u32 next_range_bi = candidate_vnb->ip.reass.next_range_bi; // discard candidate range, probe next range rc = - ip4_reass_remove_range_from_chain (vm, node, rm, reass, - prev_range_bi, - candidate_range_bi); + ip4_full_reass_remove_range_from_chain (vm, node, rm, reass, + prev_range_bi, + candidate_range_bi); if (IP4_REASS_RC_OK != rc) { return rc; @@ -997,8 +1014,9 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { // special case - last range discarded rc = - ip4_reass_insert_range_in_chain (vm, rm, rt, reass, - prev_range_bi, *bi0); + ip4_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, + *bi0); if (IP4_REASS_RC_OK != rc) { return rc; @@ -1014,10 +1032,8 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip4_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, *bi0, reass->first_bi, - reass->data_len, RANGE_NEW, 0, ~0); - ++reass->trace_op_counter; + ip4_full_reass_add_trace (vm, node, rm, reass, *bi0, RANGE_NEW, 0, + ~0); } } if (~0 != reass->last_packet_octet && @@ -1025,8 +1041,8 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, { *handoff_thread_idx = reass->sendout_thread_index; rc = - ip4_reass_finalize (vm, node, rm, rt, reass, bi0, next0, error0, - is_custom_app); + ip4_full_reass_finalize (vm, node, rm, rt, reass, bi0, next0, error0, + is_custom_app); if (IP4_REASS_RC_OK == rc && reass->memory_owner_thread_index != reass->sendout_thread_index) { @@ -1045,7 +1061,7 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, } else { - *next0 = IP4_REASSEMBLY_NEXT_DROP; + *next0 = IP4_FULL_REASS_NEXT_DROP; *error0 = IP4_ERROR_REASS_DUPLICATE_FRAGMENT; } } @@ -1053,14 +1069,14 @@ ip4_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, } always_inline uword -ip4_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, +ip4_full_reass_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, bool is_feature, bool is_custom_app) { u32 *from = vlib_frame_vector_args (frame); u32 n_left_from, n_left_to_next, *to_next, next_index; - ip4_reass_main_t *rm = &ip4_reass_main; - ip4_reass_per_thread_t *rt = &rm->per_thread_data[vm->thread_index]; + ip4_full_reass_main_t *rm = &ip4_full_reass_main; + ip4_full_reass_per_thread_t *rt = &rm->per_thread_data[vm->thread_index]; clib_spinlock_lock (&rt->lock); n_left_from = frame->n_vectors; @@ -1085,138 +1101,133 @@ ip4_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, // this is a whole packet - no fragmentation if (!is_custom_app) { - next0 = IP4_REASSEMBLY_NEXT_INPUT; + next0 = IP4_FULL_REASS_NEXT_INPUT; } else { next0 = vnet_buffer (b0)->ip.reass.next_index; } + goto packet_enqueue; } - else + const u32 fragment_first = ip4_get_fragment_offset_bytes (ip0); + const u32 fragment_length = + clib_net_to_host_u16 (ip0->length) - ip4_header_bytes (ip0); + const u32 fragment_last = fragment_first + fragment_length - 1; + if (fragment_first > fragment_last || fragment_first + fragment_length > UINT16_MAX - 20 || (fragment_length < 8 && ip4_get_fragment_more (ip0))) // 8 is minimum frag length per RFC 791 + { + next0 = IP4_FULL_REASS_NEXT_DROP; + error0 = IP4_ERROR_REASS_MALFORMED_PACKET; + goto packet_enqueue; + } + ip4_full_reass_kv_t kv; + u8 do_handoff = 0; + + kv.k.as_u64[0] = + (u64) vec_elt (ip4_main.fib_index_by_sw_if_index, + vnet_buffer (b0)->sw_if_index[VLIB_RX]) | + (u64) ip0->src_address.as_u32 << 32; + kv.k.as_u64[1] = + (u64) ip0->dst_address. + as_u32 | (u64) ip0->fragment_id << 32 | (u64) ip0->protocol << 48; + + ip4_full_reass_t *reass = + ip4_full_reass_find_or_create (vm, node, rm, rt, &kv, + &do_handoff); + + if (reass) { const u32 fragment_first = ip4_get_fragment_offset_bytes (ip0); - const u32 fragment_length = - clib_net_to_host_u16 (ip0->length) - ip4_header_bytes (ip0); - const u32 fragment_last = fragment_first + fragment_length - 1; - if (fragment_first > fragment_last || fragment_first + fragment_length > UINT16_MAX - 20 || (fragment_length < 8 && ip4_get_fragment_more (ip0))) // 8 is minimum frag length per RFC 791 + if (0 == fragment_first) { - next0 = IP4_REASSEMBLY_NEXT_DROP; - error0 = IP4_ERROR_REASS_MALFORMED_PACKET; + reass->sendout_thread_index = vm->thread_index; } + } + + if (PREDICT_FALSE (do_handoff)) + { + next0 = IP4_FULL_REASS_NEXT_HANDOFF; + if (is_feature) + vnet_buffer (b0)->ip.reass.owner_feature_thread_index = + kv.v.memory_owner_thread_index; else + vnet_buffer (b0)->ip.reass.owner_thread_index = + kv.v.memory_owner_thread_index; + } + else if (reass) + { + u32 handoff_thread_idx; + switch (ip4_full_reass_update + (vm, node, rm, rt, reass, &bi0, &next0, + &error0, is_custom_app, &handoff_thread_idx)) { - ip4_reass_kv_t kv; - u8 do_handoff = 0; - - kv.k.as_u64[0] = - (u64) vec_elt (ip4_main.fib_index_by_sw_if_index, - vnet_buffer (b0)->sw_if_index[VLIB_RX]) | - (u64) ip0->src_address.as_u32 << 32; - kv.k.as_u64[1] = - (u64) ip0->dst_address.as_u32 | - (u64) ip0->fragment_id << 32 | (u64) ip0->protocol << 48; - - ip4_reass_t *reass = - ip4_reass_find_or_create (vm, node, rm, rt, &kv, - &do_handoff); - if (reass) - { - const u32 fragment_first = - ip4_get_fragment_offset_bytes (ip0); - if (0 == fragment_first) - { - reass->sendout_thread_index = vm->thread_index; - } - } - if (PREDICT_FALSE (do_handoff)) - { - next0 = IP4_REASSEMBLY_NEXT_HANDOFF; - if (is_feature) - vnet_buffer (b0)->ip. - reass.owner_feature_thread_index = - kv.v.memory_owner_thread_index; - else - vnet_buffer (b0)->ip.reass.owner_thread_index = - kv.v.memory_owner_thread_index; - } - else if (reass) - { - u32 handoff_thread_idx; - switch (ip4_reass_update - (vm, node, rm, rt, reass, &bi0, &next0, - &error0, is_custom_app, &handoff_thread_idx)) - { - case IP4_REASS_RC_OK: - /* nothing to do here */ - break; - case IP4_REASS_RC_HANDOFF: - next0 = IP4_REASSEMBLY_NEXT_HANDOFF; - b0 = vlib_get_buffer (vm, bi0); - if (is_feature) - vnet_buffer (b0)->ip. - reass.owner_feature_thread_index = - handoff_thread_idx; - else - vnet_buffer (b0)->ip.reass.owner_thread_index = - handoff_thread_idx; - break; - case IP4_REASS_RC_TOO_MANY_FRAGMENTS: - vlib_node_increment_counter (vm, node->node_index, - IP4_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG, - 1); - ip4_reass_drop_all (vm, node, rm, reass); - ip4_reass_free (vm, rm, rt, reass); - goto next_packet; - break; - case IP4_REASS_RC_NO_BUF: - vlib_node_increment_counter (vm, node->node_index, - IP4_ERROR_REASS_NO_BUF, - 1); - ip4_reass_drop_all (vm, node, rm, reass); - ip4_reass_free (vm, rm, rt, reass); - goto next_packet; - break; - case IP4_REASS_RC_INTERNAL_ERROR: - /* drop everything and start with a clean slate */ - vlib_node_increment_counter (vm, node->node_index, - IP4_ERROR_REASS_INTERNAL_ERROR, - 1); - ip4_reass_drop_all (vm, node, rm, reass); - ip4_reass_free (vm, rm, rt, reass); - goto next_packet; - break; - } - } + case IP4_REASS_RC_OK: + /* nothing to do here */ + break; + case IP4_REASS_RC_HANDOFF: + next0 = IP4_FULL_REASS_NEXT_HANDOFF; + b0 = vlib_get_buffer (vm, bi0); + if (is_feature) + vnet_buffer (b0)->ip.reass.owner_feature_thread_index = + handoff_thread_idx; else - { - next0 = IP4_REASSEMBLY_NEXT_DROP; - error0 = IP4_ERROR_REASS_LIMIT_REACHED; - } + vnet_buffer (b0)->ip.reass.owner_thread_index = + handoff_thread_idx; + break; + case IP4_REASS_RC_TOO_MANY_FRAGMENTS: + vlib_node_increment_counter (vm, node->node_index, + IP4_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG, + 1); + ip4_full_reass_drop_all (vm, node, rm, reass); + ip4_full_reass_free (rm, rt, reass); + goto next_packet; + break; + case IP4_REASS_RC_NO_BUF: + vlib_node_increment_counter (vm, node->node_index, + IP4_ERROR_REASS_NO_BUF, 1); + ip4_full_reass_drop_all (vm, node, rm, reass); + ip4_full_reass_free (rm, rt, reass); + goto next_packet; + break; + case IP4_REASS_RC_INTERNAL_ERROR: + /* drop everything and start with a clean slate */ + vlib_node_increment_counter (vm, node->node_index, + IP4_ERROR_REASS_INTERNAL_ERROR, + 1); + ip4_full_reass_drop_all (vm, node, rm, reass); + ip4_full_reass_free (rm, rt, reass); + goto next_packet; + break; } - - b0->error = node->errors[error0]; } + else + { + next0 = IP4_FULL_REASS_NEXT_DROP; + error0 = IP4_ERROR_REASS_LIMIT_REACHED; + } + + + packet_enqueue: + b0->error = node->errors[error0]; if (bi0 != ~0) { to_next[0] = bi0; to_next += 1; n_left_to_next -= 1; - if (next0 == IP4_REASSEMBLY_NEXT_HANDOFF) + if (next0 == IP4_FULL_REASS_NEXT_HANDOFF) { if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) { if (is_feature) - ip4_reass_add_trace (vm, node, rm, ~0, - ~0, - bi0, ~0, ~0, HANDOFF, 0, - vnet_buffer (b0)->ip. - reass.owner_feature_thread_index); + ip4_full_reass_add_trace (vm, node, rm, NULL, + bi0, HANDOFF, 0, + vnet_buffer (b0)->ip. + reass.owner_feature_thread_index); else - ip4_reass_add_trace (vm, node, rm, ~0, ~0, bi0, - ~0, ~0, HANDOFF, 0, - vnet_buffer (b0)->ip. - reass.owner_thread_index); + ip4_full_reass_add_trace (vm, node, rm, NULL, + bi0, HANDOFF, 0, + vnet_buffer (b0)->ip. + reass.owner_thread_index); } } else if (is_feature && IP4_ERROR_NONE == error0) @@ -1242,66 +1253,67 @@ ip4_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, return frame->n_vectors; } -static char *ip4_reassembly_error_strings[] = { +static char *ip4_full_reass_error_strings[] = { #define _(sym, string) string, foreach_ip4_error #undef _ }; -VLIB_NODE_FN (ip4_reass_node) (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) +VLIB_NODE_FN (ip4_full_reass_node) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { - return ip4_reassembly_inline (vm, node, frame, false /* is_feature */ , + return ip4_full_reass_inline (vm, node, frame, false /* is_feature */ , false /* is_custom_app */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_reass_node) = { - .name = "ip4-reassembly", +VLIB_REGISTER_NODE (ip4_full_reass_node) = { + .name = "ip4-full-reassembly", .vector_size = sizeof (u32), - .format_trace = format_ip4_reass_trace, - .n_errors = ARRAY_LEN (ip4_reassembly_error_strings), - .error_strings = ip4_reassembly_error_strings, - .n_next_nodes = IP4_REASSEMBLY_N_NEXT, + .format_trace = format_ip4_full_reass_trace, + .n_errors = ARRAY_LEN (ip4_full_reass_error_strings), + .error_strings = ip4_full_reass_error_strings, + .n_next_nodes = IP4_FULL_REASS_N_NEXT, .next_nodes = { - [IP4_REASSEMBLY_NEXT_INPUT] = "ip4-input", - [IP4_REASSEMBLY_NEXT_DROP] = "ip4-drop", - [IP4_REASSEMBLY_NEXT_HANDOFF] = "ip4-reassembly-handoff", + [IP4_FULL_REASS_NEXT_INPUT] = "ip4-input", + [IP4_FULL_REASS_NEXT_DROP] = "ip4-drop", + [IP4_FULL_REASS_NEXT_HANDOFF] = "ip4-full-reassembly-handoff", }, }; /* *INDENT-ON* */ -VLIB_NODE_FN (ip4_reass_node_feature) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) +VLIB_NODE_FN (ip4_full_reass_node_feature) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { - return ip4_reassembly_inline (vm, node, frame, true /* is_feature */ , + return ip4_full_reass_inline (vm, node, frame, true /* is_feature */ , false /* is_custom_app */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_reass_node_feature) = { - .name = "ip4-reassembly-feature", +VLIB_REGISTER_NODE (ip4_full_reass_node_feature) = { + .name = "ip4-full-reassembly-feature", .vector_size = sizeof (u32), - .format_trace = format_ip4_reass_trace, - .n_errors = ARRAY_LEN (ip4_reassembly_error_strings), - .error_strings = ip4_reassembly_error_strings, - .n_next_nodes = IP4_REASSEMBLY_N_NEXT, + .format_trace = format_ip4_full_reass_trace, + .n_errors = ARRAY_LEN (ip4_full_reass_error_strings), + .error_strings = ip4_full_reass_error_strings, + .n_next_nodes = IP4_FULL_REASS_N_NEXT, .next_nodes = { - [IP4_REASSEMBLY_NEXT_INPUT] = "ip4-input", - [IP4_REASSEMBLY_NEXT_DROP] = "ip4-drop", - [IP4_REASSEMBLY_NEXT_HANDOFF] = "ip4-reass-feature-hoff", + [IP4_FULL_REASS_NEXT_INPUT] = "ip4-input", + [IP4_FULL_REASS_NEXT_DROP] = "ip4-drop", + [IP4_FULL_REASS_NEXT_HANDOFF] = "ip4-full-reass-feature-hoff", }, }; /* *INDENT-ON* */ /* *INDENT-OFF* */ -VNET_FEATURE_INIT (ip4_reassembly_feature, static) = { +VNET_FEATURE_INIT (ip4_full_reass_feature, static) = { .arc_name = "ip4-unicast", - .node_name = "ip4-reassembly-feature", + .node_name = "ip4-full-reassembly-feature", .runs_before = VNET_FEATURES ("ip4-lookup", "ipsec4-input-feature"), .runs_after = 0, @@ -1310,9 +1322,9 @@ VNET_FEATURE_INIT (ip4_reassembly_feature, static) = { #ifndef CLIB_MARCH_VARIANT always_inline u32 -ip4_reass_get_nbuckets () +ip4_full_reass_get_nbuckets () { - ip4_reass_main_t *rm = &ip4_reass_main; + ip4_full_reass_main_t *rm = &ip4_full_reass_main; u32 nbuckets; u8 i; @@ -1330,7 +1342,7 @@ ip4_reass_get_nbuckets () typedef enum { IP4_EVENT_CONFIG_CHANGED = 1, -} ip4_reass_event_t; +} ip4_full_reass_event_t; typedef struct { @@ -1350,37 +1362,38 @@ ip4_rehash_cb (clib_bihash_kv_16_8_t * kv, void *_ctx) } static void -ip4_reass_set_params (u32 timeout_ms, u32 max_reassemblies, - u32 max_reassembly_length, u32 expire_walk_interval_ms) +ip4_full_reass_set_params (u32 timeout_ms, u32 max_reassemblies, + u32 max_reassembly_length, + u32 expire_walk_interval_ms) { - ip4_reass_main.timeout_ms = timeout_ms; - ip4_reass_main.timeout = (f64) timeout_ms / (f64) MSEC_PER_SEC; - ip4_reass_main.max_reass_n = max_reassemblies; - ip4_reass_main.max_reass_len = max_reassembly_length; - ip4_reass_main.expire_walk_interval_ms = expire_walk_interval_ms; + ip4_full_reass_main.timeout_ms = timeout_ms; + ip4_full_reass_main.timeout = (f64) timeout_ms / (f64) MSEC_PER_SEC; + ip4_full_reass_main.max_reass_n = max_reassemblies; + ip4_full_reass_main.max_reass_len = max_reassembly_length; + ip4_full_reass_main.expire_walk_interval_ms = expire_walk_interval_ms; } vnet_api_error_t -ip4_reass_set (u32 timeout_ms, u32 max_reassemblies, - u32 max_reassembly_length, u32 expire_walk_interval_ms) +ip4_full_reass_set (u32 timeout_ms, u32 max_reassemblies, + u32 max_reassembly_length, u32 expire_walk_interval_ms) { - u32 old_nbuckets = ip4_reass_get_nbuckets (); - ip4_reass_set_params (timeout_ms, max_reassemblies, max_reassembly_length, - expire_walk_interval_ms); - vlib_process_signal_event (ip4_reass_main.vlib_main, - ip4_reass_main.ip4_reass_expire_node_idx, + u32 old_nbuckets = ip4_full_reass_get_nbuckets (); + ip4_full_reass_set_params (timeout_ms, max_reassemblies, + max_reassembly_length, expire_walk_interval_ms); + vlib_process_signal_event (ip4_full_reass_main.vlib_main, + ip4_full_reass_main.ip4_full_reass_expire_node_idx, IP4_EVENT_CONFIG_CHANGED, 0); - u32 new_nbuckets = ip4_reass_get_nbuckets (); - if (ip4_reass_main.max_reass_n > 0 && new_nbuckets > old_nbuckets) + u32 new_nbuckets = ip4_full_reass_get_nbuckets (); + if (ip4_full_reass_main.max_reass_n > 0 && new_nbuckets > old_nbuckets) { clib_bihash_16_8_t new_hash; clib_memset (&new_hash, 0, sizeof (new_hash)); ip4_rehash_cb_ctx ctx; ctx.failure = 0; ctx.new_hash = &new_hash; - clib_bihash_init_16_8 (&new_hash, "ip4-reass", new_nbuckets, + clib_bihash_init_16_8 (&new_hash, "ip4-dr", new_nbuckets, new_nbuckets * 1024); - clib_bihash_foreach_key_value_pair_16_8 (&ip4_reass_main.hash, + clib_bihash_foreach_key_value_pair_16_8 (&ip4_full_reass_main.hash, ip4_rehash_cb, &ctx); if (ctx.failure) { @@ -1389,30 +1402,31 @@ ip4_reass_set (u32 timeout_ms, u32 max_reassemblies, } else { - clib_bihash_free_16_8 (&ip4_reass_main.hash); - clib_memcpy_fast (&ip4_reass_main.hash, &new_hash, - sizeof (ip4_reass_main.hash)); - clib_bihash_copied (&ip4_reass_main.hash, &new_hash); + clib_bihash_free_16_8 (&ip4_full_reass_main.hash); + clib_memcpy_fast (&ip4_full_reass_main.hash, &new_hash, + sizeof (ip4_full_reass_main.hash)); + clib_bihash_copied (&ip4_full_reass_main.hash, &new_hash); } } return 0; } vnet_api_error_t -ip4_reass_get (u32 * timeout_ms, u32 * max_reassemblies, - u32 * max_reassembly_length, u32 * expire_walk_interval_ms) +ip4_full_reass_get (u32 * timeout_ms, u32 * max_reassemblies, + u32 * max_reassembly_length, + u32 * expire_walk_interval_ms) { - *timeout_ms = ip4_reass_main.timeout_ms; - *max_reassemblies = ip4_reass_main.max_reass_n; - *max_reassembly_length = ip4_reass_main.max_reass_len; - *expire_walk_interval_ms = ip4_reass_main.expire_walk_interval_ms; + *timeout_ms = ip4_full_reass_main.timeout_ms; + *max_reassemblies = ip4_full_reass_main.max_reass_n; + *max_reassembly_length = ip4_full_reass_main.max_reass_len; + *expire_walk_interval_ms = ip4_full_reass_main.expire_walk_interval_ms; return 0; } static clib_error_t * -ip4_reass_init_function (vlib_main_t * vm) +ip4_full_reass_init_function (vlib_main_t * vm) { - ip4_reass_main_t *rm = &ip4_reass_main; + ip4_full_reass_main_t *rm = &ip4_full_reass_main; clib_error_t *error = 0; u32 nbuckets; vlib_node_t *node; @@ -1420,44 +1434,44 @@ ip4_reass_init_function (vlib_main_t * vm) rm->vlib_main = vm; vec_validate (rm->per_thread_data, vlib_num_workers ()); - ip4_reass_per_thread_t *rt; + ip4_full_reass_per_thread_t *rt; vec_foreach (rt, rm->per_thread_data) { clib_spinlock_init (&rt->lock); pool_alloc (rt->pool, rm->max_reass_n); } - node = vlib_get_node_by_name (vm, (u8 *) "ip4-reassembly-expire-walk"); + node = vlib_get_node_by_name (vm, (u8 *) "ip4-full-reassembly-expire-walk"); ASSERT (node); - rm->ip4_reass_expire_node_idx = node->index; + rm->ip4_full_reass_expire_node_idx = node->index; - ip4_reass_set_params (IP4_REASS_TIMEOUT_DEFAULT_MS, - IP4_REASS_MAX_REASSEMBLIES_DEFAULT, - IP4_REASS_MAX_REASSEMBLY_LENGTH_DEFAULT, - IP4_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS); + ip4_full_reass_set_params (IP4_REASS_TIMEOUT_DEFAULT_MS, + IP4_REASS_MAX_REASSEMBLIES_DEFAULT, + IP4_REASS_MAX_REASSEMBLY_LENGTH_DEFAULT, + IP4_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS); - nbuckets = ip4_reass_get_nbuckets (); - clib_bihash_init_16_8 (&rm->hash, "ip4-reass", nbuckets, nbuckets * 1024); + nbuckets = ip4_full_reass_get_nbuckets (); + clib_bihash_init_16_8 (&rm->hash, "ip4-dr", nbuckets, nbuckets * 1024); node = vlib_get_node_by_name (vm, (u8 *) "ip4-drop"); ASSERT (node); rm->ip4_drop_idx = node->index; - rm->fq_index = vlib_frame_queue_main_init (ip4_reass_node.index, 0); + rm->fq_index = vlib_frame_queue_main_init (ip4_full_reass_node.index, 0); rm->fq_feature_index = - vlib_frame_queue_main_init (ip4_reass_node_feature.index, 0); + vlib_frame_queue_main_init (ip4_full_reass_node_feature.index, 0); return error; } -VLIB_INIT_FUNCTION (ip4_reass_init_function); +VLIB_INIT_FUNCTION (ip4_full_reass_init_function); #endif /* CLIB_MARCH_VARIANT */ static uword -ip4_reass_walk_expired (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * f) +ip4_full_reass_walk_expired (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * f) { - ip4_reass_main_t *rm = &ip4_reass_main; + ip4_full_reass_main_t *rm = &ip4_full_reass_main; uword event_type, *event_data = 0; while (true) @@ -1481,7 +1495,7 @@ ip4_reass_walk_expired (vlib_main_t * vm, } f64 now = vlib_time_now (vm); - ip4_reass_t *reass; + ip4_full_reass_t *reass; int *pool_indexes_to_free = NULL; uword thread_index = 0; @@ -1489,7 +1503,8 @@ ip4_reass_walk_expired (vlib_main_t * vm, const uword nthreads = vlib_num_workers () + 1; for (thread_index = 0; thread_index < nthreads; ++thread_index) { - ip4_reass_per_thread_t *rt = &rm->per_thread_data[thread_index]; + ip4_full_reass_per_thread_t *rt = + &rm->per_thread_data[thread_index]; clib_spinlock_lock (&rt->lock); vec_reset_length (pool_indexes_to_free); @@ -1506,9 +1521,9 @@ ip4_reass_walk_expired (vlib_main_t * vm, /* *INDENT-OFF* */ vec_foreach (i, pool_indexes_to_free) { - ip4_reass_t *reass = pool_elt_at_index (rt->pool, i[0]); - ip4_reass_drop_all (vm, node, rm, reass); - ip4_reass_free (vm, rm, rt, reass); + ip4_full_reass_t *reass = pool_elt_at_index (rt->pool, i[0]); + ip4_full_reass_drop_all (vm, node, rm, reass); + ip4_full_reass_free (rm, rt, reass); } /* *INDENT-ON* */ @@ -1526,24 +1541,26 @@ ip4_reass_walk_expired (vlib_main_t * vm, } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_reass_expire_node) = { - .function = ip4_reass_walk_expired, +VLIB_REGISTER_NODE (ip4_full_reass_expire_node) = { + .function = ip4_full_reass_walk_expired, .type = VLIB_NODE_TYPE_PROCESS, - .name = "ip4-reassembly-expire-walk", - .format_trace = format_ip4_reass_trace, - .n_errors = ARRAY_LEN (ip4_reassembly_error_strings), - .error_strings = ip4_reassembly_error_strings, + .name = "ip4-full-reassembly-expire-walk", + .format_trace = format_ip4_full_reass_trace, + .n_errors = ARRAY_LEN (ip4_full_reass_error_strings), + .error_strings = ip4_full_reass_error_strings, }; /* *INDENT-ON* */ static u8 * -format_ip4_reass_key (u8 * s, va_list * args) +format_ip4_full_reass_key (u8 * s, va_list * args) { - ip4_reass_key_t *key = va_arg (*args, ip4_reass_key_t *); - s = format (s, "xx_id: %u, src: %U, dst: %U, frag_id: %u, proto: %u", - key->xx_id, format_ip4_address, &key->src, format_ip4_address, - &key->dst, clib_net_to_host_u16 (key->frag_id), key->proto); + ip4_full_reass_key_t *key = va_arg (*args, ip4_full_reass_key_t *); + s = + format (s, + "xx_id: %u, src: %U, dst: %U, frag_id: %u, proto: %u", + key->xx_id, format_ip4_address, &key->src, format_ip4_address, + &key->dst, clib_net_to_host_u16 (key->frag_id), key->proto); return s; } @@ -1551,26 +1568,28 @@ static u8 * format_ip4_reass (u8 * s, va_list * args) { vlib_main_t *vm = va_arg (*args, vlib_main_t *); - ip4_reass_t *reass = va_arg (*args, ip4_reass_t *); + ip4_full_reass_t *reass = va_arg (*args, ip4_full_reass_t *); s = format (s, "ID: %lu, key: %U\n first_bi: %u, data_len: %u, " "last_packet_octet: %u, trace_op_counter: %u\n", - reass->id, format_ip4_reass_key, &reass->key, reass->first_bi, - reass->data_len, reass->last_packet_octet, - reass->trace_op_counter); + reass->id, format_ip4_full_reass_key, &reass->key, + reass->first_bi, reass->data_len, + reass->last_packet_octet, reass->trace_op_counter); + u32 bi = reass->first_bi; u32 counter = 0; while (~0 != bi) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); vnet_buffer_opaque_t *vnb = vnet_buffer (b); - s = format (s, " #%03u: range: [%u, %u], bi: %u, off: %d, len: %u, " - "fragment[%u, %u]\n", - counter, vnb->ip.reass.range_first, - vnb->ip.reass.range_last, bi, - ip4_reass_buffer_get_data_offset (b), - ip4_reass_buffer_get_data_len (b), - vnb->ip.reass.fragment_first, vnb->ip.reass.fragment_last); + s = + format (s, + " #%03u: range: [%u, %u], bi: %u, off: %d, len: %u, " + "fragment[%u, %u]\n", counter, vnb->ip.reass.range_first, + vnb->ip.reass.range_last, bi, + ip4_full_reass_buffer_get_data_offset (b), + ip4_full_reass_buffer_get_data_len (b), + vnb->ip.reass.fragment_first, vnb->ip.reass.fragment_last); if (b->flags & VLIB_BUFFER_NEXT_PRESENT) { bi = b->next_buffer; @@ -1588,7 +1607,7 @@ show_ip4_reass (vlib_main_t * vm, unformat_input_t * input, CLIB_UNUSED (vlib_cli_command_t * lmd)) { - ip4_reass_main_t *rm = &ip4_reass_main; + ip4_full_reass_main_t *rm = &ip4_full_reass_main; vlib_cli_output (vm, "---------------------"); vlib_cli_output (vm, "IP4 reassembly status"); @@ -1600,12 +1619,12 @@ show_ip4_reass (vlib_main_t * vm, } u32 sum_reass_n = 0; - ip4_reass_t *reass; + ip4_full_reass_t *reass; uword thread_index; const uword nthreads = vlib_num_workers () + 1; for (thread_index = 0; thread_index < nthreads; ++thread_index) { - ip4_reass_per_thread_t *rt = &rm->per_thread_data[thread_index]; + ip4_full_reass_per_thread_t *rt = &rm->per_thread_data[thread_index]; clib_spinlock_lock (&rt->lock); if (details) { @@ -1628,68 +1647,68 @@ show_ip4_reass (vlib_main_t * vm, } /* *INDENT-OFF* */ -VLIB_CLI_COMMAND (show_ip4_reassembly_cmd, static) = { - .path = "show ip4-reassembly", - .short_help = "show ip4-reassembly [details]", +VLIB_CLI_COMMAND (show_ip4_full_reass_cmd, static) = { + .path = "show ip4-full-reassembly", + .short_help = "show ip4-full-reassembly [details]", .function = show_ip4_reass, }; /* *INDENT-ON* */ #ifndef CLIB_MARCH_VARIANT vnet_api_error_t -ip4_reass_enable_disable (u32 sw_if_index, u8 enable_disable) +ip4_full_reass_enable_disable (u32 sw_if_index, u8 enable_disable) { return vnet_feature_enable_disable ("ip4-unicast", - "ip4-reassembly-feature", sw_if_index, - enable_disable, 0, 0); + "ip4-full-reassembly-feature", + sw_if_index, enable_disable, 0, 0); } #endif /* CLIB_MARCH_VARIANT */ -#define foreach_ip4_reassembly_handoff_error \ +#define foreach_ip4_full_reass_handoff_error \ _(CONGESTION_DROP, "congestion drop") typedef enum { -#define _(sym,str) IP4_REASSEMBLY_HANDOFF_ERROR_##sym, - foreach_ip4_reassembly_handoff_error +#define _(sym,str) IP4_FULL_REASS_HANDOFF_ERROR_##sym, + foreach_ip4_full_reass_handoff_error #undef _ - IP4_REASSEMBLY_HANDOFF_N_ERROR, -} ip4_reassembly_handoff_error_t; + IP4_FULL_REASS_HANDOFF_N_ERROR, +} ip4_full_reass_handoff_error_t; -static char *ip4_reassembly_handoff_error_strings[] = { +static char *ip4_full_reass_handoff_error_strings[] = { #define _(sym,string) string, - foreach_ip4_reassembly_handoff_error + foreach_ip4_full_reass_handoff_error #undef _ }; typedef struct { u32 next_worker_index; -} ip4_reassembly_handoff_trace_t; +} ip4_full_reass_handoff_trace_t; static u8 * -format_ip4_reassembly_handoff_trace (u8 * s, va_list * args) +format_ip4_full_reass_handoff_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 *); - ip4_reassembly_handoff_trace_t *t = - va_arg (*args, ip4_reassembly_handoff_trace_t *); + ip4_full_reass_handoff_trace_t *t = + va_arg (*args, ip4_full_reass_handoff_trace_t *); s = - format (s, "ip4-reassembly-handoff: next-worker %d", + format (s, "ip4-full-reassembly-handoff: next-worker %d", t->next_worker_index); return s; } always_inline uword -ip4_reassembly_handoff_node_inline (vlib_main_t * vm, +ip4_full_reass_handoff_node_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, bool is_feature) { - ip4_reass_main_t *rm = &ip4_reass_main; + ip4_full_reass_main_t *rm = &ip4_full_reass_main; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u32 n_enq, n_left_from, *from; @@ -1716,7 +1735,7 @@ ip4_reassembly_handoff_node_inline (vlib_main_t * vm, ((node->flags & VLIB_NODE_FLAG_TRACE) && (b[0]->flags & VLIB_BUFFER_IS_TRACED))) { - ip4_reassembly_handoff_trace_t *t = + ip4_full_reass_handoff_trace_t *t = vlib_add_trace (vm, node, b[0], sizeof (*t)); t->next_worker_index = ti[0]; } @@ -1731,27 +1750,27 @@ ip4_reassembly_handoff_node_inline (vlib_main_t * vm, if (n_enq < frame->n_vectors) vlib_node_increment_counter (vm, node->node_index, - IP4_REASSEMBLY_HANDOFF_ERROR_CONGESTION_DROP, + IP4_FULL_REASS_HANDOFF_ERROR_CONGESTION_DROP, frame->n_vectors - n_enq); return frame->n_vectors; } -VLIB_NODE_FN (ip4_reassembly_handoff_node) (vlib_main_t * vm, +VLIB_NODE_FN (ip4_full_reass_handoff_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { - return ip4_reassembly_handoff_node_inline (vm, node, frame, + return ip4_full_reass_handoff_node_inline (vm, node, frame, false /* is_feature */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_reassembly_handoff_node) = { - .name = "ip4-reassembly-handoff", +VLIB_REGISTER_NODE (ip4_full_reass_handoff_node) = { + .name = "ip4-full-reassembly-handoff", .vector_size = sizeof (u32), - .n_errors = ARRAY_LEN(ip4_reassembly_handoff_error_strings), - .error_strings = ip4_reassembly_handoff_error_strings, - .format_trace = format_ip4_reassembly_handoff_trace, + .n_errors = ARRAY_LEN(ip4_full_reass_handoff_error_strings), + .error_strings = ip4_full_reass_handoff_error_strings, + .format_trace = format_ip4_full_reass_handoff_trace, .n_next_nodes = 1, @@ -1763,24 +1782,24 @@ VLIB_REGISTER_NODE (ip4_reassembly_handoff_node) = { /* *INDENT-OFF* */ -VLIB_NODE_FN (ip4_reassembly_feature_handoff_node) (vlib_main_t * vm, +VLIB_NODE_FN (ip4_full_reass_feature_handoff_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { - return ip4_reassembly_handoff_node_inline (vm, node, frame, + return ip4_full_reass_handoff_node_inline (vm, node, frame, true /* is_feature */ ); } /* *INDENT-ON* */ /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_reassembly_feature_handoff_node) = { - .name = "ip4-reass-feature-hoff", +VLIB_REGISTER_NODE (ip4_full_reass_feature_handoff_node) = { + .name = "ip4-full-reass-feature-hoff", .vector_size = sizeof (u32), - .n_errors = ARRAY_LEN(ip4_reassembly_handoff_error_strings), - .error_strings = ip4_reassembly_handoff_error_strings, - .format_trace = format_ip4_reassembly_handoff_trace, + .n_errors = ARRAY_LEN(ip4_full_reass_handoff_error_strings), + .error_strings = ip4_full_reass_handoff_error_strings, + .format_trace = format_ip4_full_reass_handoff_trace, .n_next_nodes = 1, diff --git a/src/vnet/ip/ip4_reassembly.h b/src/vnet/ip/reass/ip4_full_reass.h index 4ceb0ab2409..b8419eb4492 100644 --- a/src/vnet/ip/ip4_reassembly.h +++ b/src/vnet/ip/reass/ip4_full_reass.h @@ -20,8 +20,8 @@ * This file contains the source code for IPv4 reassembly. */ -#ifndef __included_ip4_reassembly_h__ -#define __included_ip4_reassembly_h__ +#ifndef __included_ip4_full_reass_h__ +#define __included_ip4_full_reass_h__ #include <vnet/api_errno.h> #include <vnet/vnet.h> @@ -29,21 +29,21 @@ /** * @brief set ip4 reassembly configuration */ -vnet_api_error_t ip4_reass_set (u32 timeout_ms, u32 max_reassemblies, - u32 max_reassembly_length, - u32 expire_walk_interval_ms); +vnet_api_error_t ip4_full_reass_set (u32 timeout_ms, u32 max_reassemblies, + u32 max_reassembly_length, + u32 expire_walk_interval_ms); /** * @brief get ip4 reassembly configuration */ -vnet_api_error_t ip4_reass_get (u32 * timeout_ms, u32 * max_reassemblies, - u32 * max_reassembly_length, - u32 * expire_walk_interval_ms); +vnet_api_error_t ip4_full_reass_get (u32 * timeout_ms, u32 * max_reassemblies, + u32 * max_reassembly_length, + u32 * expire_walk_interval_ms); -vnet_api_error_t ip4_reass_enable_disable (u32 sw_if_index, - u8 enable_disable); +vnet_api_error_t ip4_full_reass_enable_disable (u32 sw_if_index, + u8 enable_disable); -#endif /* __included_ip4_reassembly_h */ +#endif /* __included_ip4_full_reass_h__ */ /* * fd.io coding-style-patch-verification: ON diff --git a/src/vnet/ip/ip6_reassembly.c b/src/vnet/ip/reass/ip6_full_reass.c index 4f27304ca94..7b11e78b40f 100644 --- a/src/vnet/ip/ip6_reassembly.c +++ b/src/vnet/ip/reass/ip6_full_reass.c @@ -15,32 +15,32 @@ /** * @file - * @brief IPv6 Reassembly. + * @brief IPv6 Full Reassembly. * - * This file contains the source code for IPv6 reassembly. + * This file contains the source code for IPv6 full reassembly. */ #include <vppinfra/vec.h> #include <vnet/vnet.h> #include <vnet/ip/ip.h> #include <vppinfra/bihash_48_8.h> -#include <vnet/ip/ip6_reassembly.h> +#include <vnet/ip/reass/ip6_full_reass.h> #define MSEC_PER_SEC 1000 -#define IP6_REASS_TIMEOUT_DEFAULT_MS 100 -#define IP6_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS 10000 // 10 seconds default -#define IP6_REASS_MAX_REASSEMBLIES_DEFAULT 1024 -#define IP6_REASS_MAX_REASSEMBLY_LENGTH_DEFAULT 3 -#define IP6_REASS_HT_LOAD_FACTOR (0.75) +#define IP6_FULL_REASS_TIMEOUT_DEFAULT_MS 100 +#define IP6_FULL_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS 10000 // 10 seconds default +#define IP6_FULL_REASS_MAX_REASSEMBLIES_DEFAULT 1024 +#define IP6_FULL_REASS_MAX_REASSEMBLY_LENGTH_DEFAULT 3 +#define IP6_FULL_REASS_HT_LOAD_FACTOR (0.75) typedef enum { - IP6_REASS_RC_OK, - IP6_REASS_RC_INTERNAL_ERROR, - IP6_REASS_RC_TOO_MANY_FRAGMENTS, - IP6_REASS_RC_NO_BUF, - IP6_REASS_RC_HANDOFF, -} ip6_reass_rc_t; + IP6_FULL_REASS_RC_OK, + IP6_FULL_REASS_RC_INTERNAL_ERROR, + IP6_FULL_REASS_RC_TOO_MANY_FRAGMENTS, + IP6_FULL_REASS_RC_NO_BUF, + IP6_FULL_REASS_RC_HANDOFF, +} ip6_full_reass_rc_t; typedef struct { @@ -57,7 +57,7 @@ typedef struct }; u64 as_u64[6]; }; -} ip6_reass_key_t; +} ip6_full_reass_key_t; typedef union { @@ -67,38 +67,39 @@ typedef union u32 memory_owner_thread_index; }; u64 as_u64; -} ip6_reass_val_t; +} ip6_full_reass_val_t; typedef union { struct { - ip6_reass_key_t k; - ip6_reass_val_t v; + ip6_full_reass_key_t k; + ip6_full_reass_val_t v; }; clib_bihash_kv_48_8_t kv; -} ip6_reass_kv_t; +} ip6_full_reass_kv_t; always_inline u32 -ip6_reass_buffer_get_data_offset (vlib_buffer_t * b) +ip6_full_reass_buffer_get_data_offset (vlib_buffer_t * b) { vnet_buffer_opaque_t *vnb = vnet_buffer (b); return vnb->ip.reass.range_first - vnb->ip.reass.fragment_first; } always_inline u16 -ip6_reass_buffer_get_data_len (vlib_buffer_t * b) +ip6_full_reass_buffer_get_data_len (vlib_buffer_t * b) { vnet_buffer_opaque_t *vnb = vnet_buffer (b); return clib_min (vnb->ip.reass.range_last, vnb->ip.reass.fragment_last) - - (vnb->ip.reass.fragment_first + ip6_reass_buffer_get_data_offset (b)) + 1; + (vnb->ip.reass.fragment_first + + ip6_full_reass_buffer_get_data_offset (b)) + 1; } typedef struct { // hash table key - ip6_reass_key_t key; + ip6_full_reass_key_t key; // time when last packet was received f64 last_heard; // internal id of this reassembly @@ -124,15 +125,15 @@ typedef struct // thread which received fragment with offset 0 and which sends out the // completed reassembly u32 sendout_thread_index; -} ip6_reass_t; +} ip6_full_reass_t; typedef struct { - ip6_reass_t *pool; + ip6_full_reass_t *pool; u32 reass_n; u32 id_counter; clib_spinlock_t lock; -} ip6_reass_per_thread_t; +} ip6_full_reass_per_thread_t; typedef struct { @@ -149,7 +150,7 @@ typedef struct clib_bihash_48_8_t hash; // per-thread data - ip6_reass_per_thread_t *per_thread_data; + ip6_full_reass_per_thread_t *per_thread_data; // convenience vlib_main_t *vlib_main; @@ -157,28 +158,28 @@ typedef struct // node index of ip6-drop node u32 ip6_drop_idx; u32 ip6_icmp_error_idx; - u32 ip6_reass_expire_node_idx; + u32 ip6_full_reass_expire_node_idx; /** Worker handoff */ u32 fq_index; u32 fq_feature_index; -} ip6_reass_main_t; +} ip6_full_reass_main_t; -extern ip6_reass_main_t ip6_reass_main; +extern ip6_full_reass_main_t ip6_full_reass_main; #ifndef CLIB_MARCH_VARIANT -ip6_reass_main_t ip6_reass_main; +ip6_full_reass_main_t ip6_full_reass_main; #endif /* CLIB_MARCH_VARIANT */ typedef enum { - IP6_REASSEMBLY_NEXT_INPUT, - IP6_REASSEMBLY_NEXT_DROP, - IP6_REASSEMBLY_NEXT_ICMP_ERROR, - IP6_REASSEMBLY_NEXT_HANDOFF, - IP6_REASSEMBLY_N_NEXT, -} ip6_reass_next_t; + IP6_FULL_REASSEMBLY_NEXT_INPUT, + IP6_FULL_REASSEMBLY_NEXT_DROP, + IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR, + IP6_FULL_REASSEMBLY_NEXT_HANDOFF, + IP6_FULL_REASSEMBLY_N_NEXT, +} ip6_full_reass_next_t; typedef enum { @@ -189,7 +190,7 @@ typedef enum ICMP_ERROR_FL_NOT_MULT_8, FINALIZE, HANDOFF, -} ip6_reass_trace_operation_e; +} ip6_full_reass_trace_operation_e; typedef struct { @@ -199,50 +200,52 @@ typedef struct i32 data_offset; u32 data_len; u32 first_bi; -} ip6_reass_range_trace_t; +} ip6_full_reass_range_trace_t; typedef struct { - ip6_reass_trace_operation_e action; + ip6_full_reass_trace_operation_e action; u32 reass_id; - ip6_reass_range_trace_t trace_range; + ip6_full_reass_range_trace_t trace_range; u32 op_id; u32 fragment_first; u32 fragment_last; u32 total_data_len; u32 thread_id; u32 thread_id_to; -} ip6_reass_trace_t; +} ip6_full_reass_trace_t; static void -ip6_reass_trace_details (vlib_main_t * vm, u32 bi, - ip6_reass_range_trace_t * trace) +ip6_full_reass_trace_details (vlib_main_t * vm, u32 bi, + ip6_full_reass_range_trace_t * trace) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); vnet_buffer_opaque_t *vnb = vnet_buffer (b); trace->range_first = vnb->ip.reass.range_first; trace->range_last = vnb->ip.reass.range_last; - trace->data_offset = ip6_reass_buffer_get_data_offset (b); - trace->data_len = ip6_reass_buffer_get_data_len (b); + trace->data_offset = ip6_full_reass_buffer_get_data_offset (b); + trace->data_len = ip6_full_reass_buffer_get_data_len (b); trace->range_bi = bi; } static u8 * -format_ip6_reass_range_trace (u8 * s, va_list * args) +format_ip6_full_reass_range_trace (u8 * s, va_list * args) { - ip6_reass_range_trace_t *trace = va_arg (*args, ip6_reass_range_trace_t *); - s = format (s, "range: [%u, %u], off %d, len %u, bi %u", trace->range_first, - trace->range_last, trace->data_offset, trace->data_len, - trace->range_bi); + ip6_full_reass_range_trace_t *trace = + va_arg (*args, ip6_full_reass_range_trace_t *); + s = + format (s, "range: [%u, %u], off %d, len %u, bi %u", trace->range_first, + trace->range_last, trace->data_offset, trace->data_len, + trace->range_bi); return s; } static u8 * -format_ip6_reass_trace (u8 * s, va_list * args) +format_ip6_full_reass_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 *); - ip6_reass_trace_t *t = va_arg (*args, ip6_reass_trace_t *); + ip6_full_reass_trace_t *t = va_arg (*args, ip6_full_reass_trace_t *); u32 indent = 0; if (~0 != t->reass_id) { @@ -256,21 +259,21 @@ format_ip6_reass_trace (u8 * s, va_list * args) { case RANGE_NEW: s = format (s, "\n%Unew %U", format_white_space, indent, - format_ip6_reass_range_trace, &t->trace_range); + format_ip6_full_reass_range_trace, &t->trace_range); break; case RANGE_OVERLAP: s = format (s, "\n%Uoverlap %U", format_white_space, indent, - format_ip6_reass_range_trace, &t->trace_range); + format_ip6_full_reass_range_trace, &t->trace_range); break; case ICMP_ERROR_FL_TOO_BIG: s = format (s, "\n%Uicmp-error - frag_len > 65535 %U", - format_white_space, indent, format_ip6_reass_range_trace, - &t->trace_range); + format_white_space, indent, + format_ip6_full_reass_range_trace, &t->trace_range); break; case ICMP_ERROR_FL_NOT_MULT_8: s = format (s, "\n%Uicmp-error - frag_len mod 8 != 0 %U", - format_white_space, indent, format_ip6_reass_range_trace, - &t->trace_range); + format_white_space, indent, + format_ip6_full_reass_range_trace, &t->trace_range); break; case ICMP_ERROR_RT_EXCEEDED: s = format (s, "\n%Uicmp-error - reassembly time exceeded", @@ -289,27 +292,36 @@ format_ip6_reass_trace (u8 * s, va_list * args) } static void -ip6_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, - ip6_reass_main_t * rm, u32 reass_id, u32 op_id, - u32 bi, u32 first_bi, u32 data_len, - ip6_reass_trace_operation_e action, u32 thread_id_to) +ip6_full_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, + ip6_full_reass_main_t * rm, + ip6_full_reass_t * reass, u32 bi, + ip6_full_reass_trace_operation_e action, + u32 thread_id_to) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); vnet_buffer_opaque_t *vnb = vnet_buffer (b); - ip6_reass_trace_t *t = vlib_add_trace (vm, node, b, sizeof (t[0])); - t->reass_id = reass_id; + ip6_full_reass_trace_t *t = vlib_add_trace (vm, node, b, sizeof (t[0])); + if (reass) + { + t->reass_id = reass->id; + t->op_id = reass->trace_op_counter; + t->trace_range.first_bi = reass->first_bi; + t->total_data_len = reass->data_len; + ++reass->trace_op_counter; + } + else + { + t->reass_id = ~0; + } t->action = action; - ip6_reass_trace_details (vm, bi, &t->trace_range); - t->op_id = op_id; t->thread_id = vm->thread_index; t->thread_id_to = thread_id_to; + ip6_full_reass_trace_details (vm, bi, &t->trace_range); t->fragment_first = vnb->ip.reass.fragment_first; t->fragment_last = vnb->ip.reass.fragment_last; - t->trace_range.first_bi = first_bi; - t->total_data_len = data_len; #if 0 static u8 *s = NULL; - s = format (s, "%U", format_ip6_reass_trace, NULL, NULL, t); + s = format (s, "%U", format_ip6_full_reass_trace, NULL, NULL, t); printf ("%.*s\n", vec_len (s), s); fflush (stdout); vec_reset_length (s); @@ -317,15 +329,17 @@ ip6_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, } always_inline void -ip6_reass_free_ctx (ip6_reass_per_thread_t * rt, ip6_reass_t * reass) +ip6_full_reass_free_ctx (ip6_full_reass_per_thread_t * rt, + ip6_full_reass_t * reass) { pool_put (rt->pool, reass); --rt->reass_n; } always_inline void -ip6_reass_free (ip6_reass_main_t * rm, ip6_reass_per_thread_t * rt, - ip6_reass_t * reass) +ip6_full_reass_free (ip6_full_reass_main_t * rm, + ip6_full_reass_per_thread_t * rt, + ip6_full_reass_t * reass) { clib_bihash_kv_48_8_t kv; kv.key[0] = reass->key.as_u64[0]; @@ -335,12 +349,12 @@ ip6_reass_free (ip6_reass_main_t * rm, ip6_reass_per_thread_t * rt, kv.key[4] = reass->key.as_u64[4]; kv.key[5] = reass->key.as_u64[5]; clib_bihash_add_del_48_8 (&rm->hash, &kv, 0); - ip6_reass_free_ctx (rt, reass); + ip6_full_reass_free_ctx (rt, reass); } always_inline void -ip6_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node, - ip6_reass_main_t * rm, ip6_reass_t * reass) +ip6_full_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node, + ip6_full_reass_main_t * rm, ip6_full_reass_t * reass) { u32 range_bi = reass->first_bi; vlib_buffer_t *range_b; @@ -401,9 +415,9 @@ ip6_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node, } always_inline void -ip6_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node, - ip6_reass_main_t * rm, ip6_reass_t * reass, - u32 * icmp_bi) +ip6_full_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node, + ip6_full_reass_main_t * rm, + ip6_full_reass_t * reass, u32 * icmp_bi) { if (~0 == reass->first_bi) { @@ -417,11 +431,8 @@ ip6_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node, *icmp_bi = reass->first_bi; if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, reass->first_bi, - reass->first_bi, reass->data_len, - ICMP_ERROR_RT_EXCEEDED, ~0); - ++reass->trace_op_counter; + ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, + ICMP_ERROR_RT_EXCEEDED, ~0); } // fragment with offset zero received - send icmp message back if (b->flags & VLIB_BUFFER_NEXT_PRESENT) @@ -439,15 +450,17 @@ ip6_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node, 0); } } - ip6_reass_drop_all (vm, node, rm, reass); + ip6_full_reass_drop_all (vm, node, rm, reass); } -always_inline ip6_reass_t * -ip6_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node, - ip6_reass_main_t * rm, ip6_reass_per_thread_t * rt, - ip6_reass_kv_t * kv, u32 * icmp_bi, u8 * do_handoff) +always_inline ip6_full_reass_t * +ip6_full_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node, + ip6_full_reass_main_t * rm, + ip6_full_reass_per_thread_t * rt, + ip6_full_reass_kv_t * kv, u32 * icmp_bi, + u8 * do_handoff) { - ip6_reass_t *reass; + ip6_full_reass_t *reass; f64 now; again: @@ -470,8 +483,8 @@ again: if (now > reass->last_heard + rm->timeout) { - ip6_reass_on_timeout (vm, node, rm, reass, icmp_bi); - ip6_reass_free (rm, rt, reass); + ip6_full_reass_on_timeout (vm, node, rm, reass, icmp_bi); + ip6_full_reass_free (rm, rt, reass); reass = NULL; } } @@ -515,7 +528,7 @@ again: clib_bihash_add_del_48_8 (&rm->hash, (clib_bihash_kv_48_8_t *) kv, 2); if (rv) { - ip6_reass_free_ctx (rt, reass); + ip6_full_reass_free (rm, rt, reass); reass = NULL; // if other worker created a context already work with the other copy if (-2 == rv) @@ -525,11 +538,12 @@ again: return reass; } -always_inline ip6_reass_rc_t -ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, - ip6_reass_main_t * rm, ip6_reass_per_thread_t * rt, - ip6_reass_t * reass, u32 * bi0, u32 * next0, u32 * error0, - bool is_custom_app) +always_inline ip6_full_reass_rc_t +ip6_full_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, + ip6_full_reass_main_t * rm, + ip6_full_reass_per_thread_t * rt, + ip6_full_reass_t * reass, u32 * bi0, u32 * next0, + u32 * error0, bool is_custom_app) { *bi0 = reass->first_bi; *error0 = IP6_ERROR_NONE; @@ -540,7 +554,7 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, u32 buf_cnt = 0; u32 dropped_cnt = 0; u32 *vec_drop_compress = NULL; - ip6_reass_rc_t rv = IP6_REASS_RC_OK; + ip6_full_reass_rc_t rv = IP6_FULL_REASS_RC_OK; do { u32 tmp_bi = sub_chain_bi; @@ -549,21 +563,21 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, if (!(vnb->ip.reass.range_first >= vnb->ip.reass.fragment_first) && !(vnb->ip.reass.range_last > vnb->ip.reass.fragment_first)) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } - u32 data_len = ip6_reass_buffer_get_data_len (tmp); + u32 data_len = ip6_full_reass_buffer_get_data_len (tmp); u32 trim_front = vnet_buffer (tmp)->ip.reass.ip6_frag_hdr_offset + - sizeof (*frag_hdr) + ip6_reass_buffer_get_data_offset (tmp); + sizeof (*frag_hdr) + ip6_full_reass_buffer_get_data_offset (tmp); u32 trim_end = vlib_buffer_length_in_chain (vm, tmp) - trim_front - data_len; if (tmp_bi == reass->first_bi) { /* first buffer - keep ip6 header */ - if (0 != ip6_reass_buffer_get_data_offset (tmp)) + if (0 != ip6_full_reass_buffer_get_data_offset (tmp)) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } trim_front = 0; @@ -572,7 +586,7 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, sizeof (*frag_hdr)); if (!(vlib_buffer_length_in_chain (vm, tmp) - trim_end > 0)) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } } @@ -590,7 +604,7 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, trim_front -= tmp->current_length; if (!(tmp->flags & VLIB_BUFFER_NEXT_PRESENT)) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } tmp->flags &= ~VLIB_BUFFER_NEXT_PRESENT; @@ -622,7 +636,7 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, keep_data -= tmp->current_length; if (!(tmp->flags & VLIB_BUFFER_NEXT_PRESENT)) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } } @@ -633,7 +647,7 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, vec_add1 (vec_drop_compress, tmp_bi); if (reass->first_bi == tmp_bi) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } ++dropped_cnt; @@ -656,14 +670,14 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, if (!last_b) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } last_b->flags &= ~VLIB_BUFFER_NEXT_PRESENT; vlib_buffer_t *first_b = vlib_get_buffer (vm, reass->first_bi); if (total_length < first_b->current_length) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } total_length -= first_b->current_length; @@ -686,7 +700,7 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, } if (!((u8 *) frag_hdr - (u8 *) ip == ip6_frag_hdr_offset)) { - rv = IP6_REASS_RC_INTERNAL_ERROR; + rv = IP6_FULL_REASS_RC_INTERNAL_ERROR; goto free_buffers_and_return; } memmove (frag_hdr, (u8 *) frag_hdr + sizeof (*frag_hdr), @@ -698,16 +712,14 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, sizeof (*ip)); if (!vlib_buffer_chain_linearize (vm, first_b)) { - rv = IP6_REASS_RC_NO_BUF; + rv = IP6_FULL_REASS_RC_NO_BUF; goto free_buffers_and_return; } first_b->flags &= ~VLIB_BUFFER_EXT_HDR_VALID; if (PREDICT_FALSE (first_b->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_reass_add_trace (vm, node, rm, reass->id, reass->trace_op_counter, - reass->first_bi, reass->first_bi, reass->data_len, - FINALIZE, ~0); - ++reass->trace_op_counter; + ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, + FINALIZE, ~0); #if 0 // following code does a hexdump of packet fragments to stdout ... do @@ -737,14 +749,14 @@ ip6_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, } if (!is_custom_app) { - *next0 = IP6_REASSEMBLY_NEXT_INPUT; + *next0 = IP6_FULL_REASSEMBLY_NEXT_INPUT; } else { *next0 = reass->next_index; } vnet_buffer (first_b)->ip.reass.estimated_mtu = reass->min_fragment_length; - ip6_reass_free (rm, rt, reass); + ip6_full_reass_free (rm, rt, reass); reass = NULL; free_buffers_and_return: vlib_buffer_free (vm, vec_drop_compress, vec_len (vec_drop_compress)); @@ -753,10 +765,11 @@ free_buffers_and_return: } always_inline void -ip6_reass_insert_range_in_chain (vlib_main_t * vm, ip6_reass_main_t * rm, - ip6_reass_per_thread_t * rt, - ip6_reass_t * reass, u32 prev_range_bi, - u32 new_next_bi) +ip6_full_reass_insert_range_in_chain (vlib_main_t * vm, + ip6_full_reass_main_t * rm, + ip6_full_reass_per_thread_t * rt, + ip6_full_reass_t * reass, + u32 prev_range_bi, u32 new_next_bi) { vlib_buffer_t *new_next_b = vlib_get_buffer (vm, new_next_bi); @@ -776,15 +789,16 @@ ip6_reass_insert_range_in_chain (vlib_main_t * vm, ip6_reass_main_t * rm, } reass->first_bi = new_next_bi; } - reass->data_len += ip6_reass_buffer_get_data_len (new_next_b); + reass->data_len += ip6_full_reass_buffer_get_data_len (new_next_b); } -always_inline ip6_reass_rc_t -ip6_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, - ip6_reass_main_t * rm, ip6_reass_per_thread_t * rt, - ip6_reass_t * reass, u32 * bi0, u32 * next0, u32 * error0, - ip6_frag_hdr_t * frag_hdr, bool is_custom_app, - u32 * handoff_thread_idx) +always_inline ip6_full_reass_rc_t +ip6_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, + ip6_full_reass_main_t * rm, + ip6_full_reass_per_thread_t * rt, + ip6_full_reass_t * reass, u32 * bi0, u32 * next0, + u32 * error0, ip6_frag_hdr_t * frag_hdr, + bool is_custom_app, u32 * handoff_thread_idx) { int consumed = 0; vlib_buffer_t *fb = vlib_get_buffer (vm, *bi0); @@ -802,7 +816,7 @@ ip6_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, fvnb->ip.reass.ip6_frag_hdr_offset == 0 || fvnb->ip.reass.ip6_frag_hdr_offset >= fb->current_length) { - return IP6_REASS_RC_INTERNAL_ERROR; + return IP6_FULL_REASS_RC_INTERNAL_ERROR; } u32 fragment_first = fvnb->ip.reass.fragment_first = @@ -825,8 +839,8 @@ ip6_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, if (~0 == reass->first_bi) { // starting a new reassembly - ip6_reass_insert_range_in_chain (vm, rm, rt, reass, prev_range_bi, - *bi0); + ip6_full_reass_insert_range_in_chain (vm, rm, rt, reass, prev_range_bi, + *bi0); reass->min_fragment_length = clib_net_to_host_u16 (fip->payload_length); consumed = 1; reass->fragments_n = 1; @@ -848,8 +862,8 @@ ip6_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, ~0 == candidate_range_bi) { // special case - this fragment falls beyond all known ranges - ip6_reass_insert_range_in_chain (vm, rm, rt, reass, - prev_range_bi, *bi0); + ip6_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, *bi0); consumed = 1; break; } @@ -858,8 +872,8 @@ ip6_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, if (fragment_last < candidate_vnb->ip.reass.range_first) { // this fragment ends before candidate range without any overlap - ip6_reass_insert_range_in_chain (vm, rm, rt, reass, prev_range_bi, - *bi0); + ip6_full_reass_insert_range_in_chain (vm, rm, rt, reass, + prev_range_bi, *bi0); consumed = 1; } else if (fragment_first == candidate_vnb->ip.reass.range_first && @@ -870,19 +884,16 @@ ip6_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, else { // overlapping fragment - not allowed by RFC 8200 - ip6_reass_drop_all (vm, node, rm, reass); - ip6_reass_free (rm, rt, reass); + ip6_full_reass_drop_all (vm, node, rm, reass); + ip6_full_reass_free (rm, rt, reass); if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, *bi0, - reass->first_bi, reass->data_len, - RANGE_OVERLAP, ~0); - ++reass->trace_op_counter; + ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, + RANGE_OVERLAP, ~0); } - *next0 = IP6_REASSEMBLY_NEXT_DROP; + *next0 = IP6_FULL_REASSEMBLY_NEXT_DROP; *error0 = IP6_ERROR_REASS_OVERLAPPING_FRAGMENT; - return IP6_REASS_RC_OK; + return IP6_FULL_REASS_RC_OK; } break; } @@ -892,23 +903,20 @@ check_if_done_maybe: { if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_reass_add_trace (vm, node, rm, reass->id, - reass->trace_op_counter, *bi0, reass->first_bi, - reass->data_len, RANGE_NEW, ~0); - ++reass->trace_op_counter; + ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, RANGE_NEW, ~0); } } if (~0 != reass->last_packet_octet && reass->data_len == reass->last_packet_octet + 1) { *handoff_thread_idx = reass->sendout_thread_index; - ip6_reass_rc_t rc = - ip6_reass_finalize (vm, node, rm, rt, reass, bi0, next0, error0, - is_custom_app); - if (IP6_REASS_RC_OK == rc + ip6_full_reass_rc_t rc = + ip6_full_reass_finalize (vm, node, rm, rt, reass, bi0, next0, error0, + is_custom_app); + if (IP6_FULL_REASS_RC_OK == rc && reass->memory_owner_thread_index != reass->sendout_thread_index) { - return IP6_REASS_RC_HANDOFF; + return IP6_FULL_REASS_RC_HANDOFF; } return rc; } @@ -919,22 +927,22 @@ check_if_done_maybe: *bi0 = ~0; if (reass->fragments_n > rm->max_reass_len) { - return IP6_REASS_RC_TOO_MANY_FRAGMENTS; + return IP6_FULL_REASS_RC_TOO_MANY_FRAGMENTS; } } else { - *next0 = IP6_REASSEMBLY_NEXT_DROP; + *next0 = IP6_FULL_REASSEMBLY_NEXT_DROP; *error0 = IP6_ERROR_REASS_DUPLICATE_FRAGMENT; } } - return IP6_REASS_RC_OK; + return IP6_FULL_REASS_RC_OK; } always_inline bool -ip6_reass_verify_upper_layer_present (vlib_node_runtime_t * node, - vlib_buffer_t * b, - ip6_frag_hdr_t * frag_hdr) +ip6_full_reass_verify_upper_layer_present (vlib_node_runtime_t * node, + vlib_buffer_t * b, + ip6_frag_hdr_t * frag_hdr) { ip6_ext_header_t *tmp = (ip6_ext_header_t *) frag_hdr; while (ip6_ext_hdr (tmp->next_hdr)) @@ -954,10 +962,10 @@ ip6_reass_verify_upper_layer_present (vlib_node_runtime_t * node, } always_inline bool -ip6_reass_verify_fragment_multiple_8 (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_buffer_t * b, - ip6_frag_hdr_t * frag_hdr) +ip6_full_reass_verify_fragment_multiple_8 (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_buffer_t * b, + ip6_frag_hdr_t * frag_hdr) { vnet_buffer_opaque_t *vnb = vnet_buffer (b); ip6_header_t *ip = vlib_buffer_get_current (b); @@ -976,10 +984,10 @@ ip6_reass_verify_fragment_multiple_8 (vlib_main_t * vm, } always_inline bool -ip6_reass_verify_packet_size_lt_64k (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_buffer_t * b, - ip6_frag_hdr_t * frag_hdr) +ip6_full_reass_verify_packet_size_lt_64k (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_buffer_t * b, + ip6_frag_hdr_t * frag_hdr) { vnet_buffer_opaque_t *vnb = vnet_buffer (b); u32 fragment_first = ip6_frag_hdr_offset_bytes (frag_hdr); @@ -999,14 +1007,15 @@ ip6_reass_verify_packet_size_lt_64k (vlib_main_t * vm, } always_inline uword -ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame, bool is_feature, - bool is_custom_app) +ip6_full_reassembly_inline (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame, bool is_feature, + bool is_custom_app) { u32 *from = vlib_frame_vector_args (frame); u32 n_left_from, n_left_to_next, *to_next, next_index; - ip6_reass_main_t *rm = &ip6_reass_main; - ip6_reass_per_thread_t *rt = &rm->per_thread_data[vm->thread_index]; + ip6_full_reass_main_t *rm = &ip6_full_reass_main; + ip6_full_reass_per_thread_t *rt = &rm->per_thread_data[vm->thread_index]; clib_spinlock_lock (&rt->lock); n_left_from = frame->n_vectors; @@ -1019,7 +1028,7 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, { u32 bi0; vlib_buffer_t *b0; - u32 next0 = IP6_REASSEMBLY_NEXT_DROP; + u32 next0 = IP6_FULL_REASSEMBLY_NEXT_DROP; u32 error0 = IP6_ERROR_NONE; u32 icmp_bi = ~0; @@ -1037,29 +1046,31 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, if (!frag_hdr) { // this is a regular packet - no fragmentation - next0 = IP6_REASSEMBLY_NEXT_INPUT; + next0 = IP6_FULL_REASSEMBLY_NEXT_INPUT; goto skip_reass; } if (0 == ip6_frag_hdr_offset (frag_hdr)) { // first fragment - verify upper-layer is present - if (!ip6_reass_verify_upper_layer_present (node, b0, frag_hdr)) + if (!ip6_full_reass_verify_upper_layer_present + (node, b0, frag_hdr)) { - next0 = IP6_REASSEMBLY_NEXT_ICMP_ERROR; + next0 = IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR; goto skip_reass; } } - if (!ip6_reass_verify_fragment_multiple_8 (vm, node, b0, frag_hdr) - || !ip6_reass_verify_packet_size_lt_64k (vm, node, b0, - frag_hdr)) + if (!ip6_full_reass_verify_fragment_multiple_8 + (vm, node, b0, frag_hdr) + || !ip6_full_reass_verify_packet_size_lt_64k (vm, node, b0, + frag_hdr)) { - next0 = IP6_REASSEMBLY_NEXT_ICMP_ERROR; + next0 = IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR; goto skip_reass; } vnet_buffer (b0)->ip.reass.ip6_frag_hdr_offset = (u8 *) frag_hdr - (u8 *) ip0; - ip6_reass_kv_t kv; + ip6_full_reass_kv_t kv; u8 do_handoff = 0; kv.k.as_u64[0] = ip0->src_address.as_u64[0]; @@ -1072,9 +1083,9 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, (u64) frag_hdr->identification; kv.k.as_u64[5] = ip0->protocol; - ip6_reass_t *reass = - ip6_reass_find_or_create (vm, node, rm, rt, &kv, &icmp_bi, - &do_handoff); + ip6_full_reass_t *reass = + ip6_full_reass_find_or_create (vm, node, rm, rt, &kv, &icmp_bi, + &do_handoff); if (reass) { @@ -1086,7 +1097,7 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } if (PREDICT_FALSE (do_handoff)) { - next0 = IP6_REASSEMBLY_NEXT_HANDOFF; + next0 = IP6_FULL_REASSEMBLY_NEXT_HANDOFF; if (is_feature) vnet_buffer (b0)->ip.reass.owner_feature_thread_index = kv.v.memory_owner_thread_index; @@ -1097,15 +1108,15 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, else if (reass) { u32 handoff_thread_idx; - switch (ip6_reass_update (vm, node, rm, rt, reass, &bi0, &next0, - &error0, frag_hdr, is_custom_app, - &handoff_thread_idx)) + switch (ip6_full_reass_update + (vm, node, rm, rt, reass, &bi0, &next0, &error0, + frag_hdr, is_custom_app, &handoff_thread_idx)) { - case IP6_REASS_RC_OK: + case IP6_FULL_REASS_RC_OK: /* nothing to do here */ break; - case IP6_REASS_RC_HANDOFF: - next0 = IP6_REASSEMBLY_NEXT_HANDOFF; + case IP6_FULL_REASS_RC_HANDOFF: + next0 = IP6_FULL_REASSEMBLY_NEXT_HANDOFF; b0 = vlib_get_buffer (vm, bi0); if (is_feature) vnet_buffer (b0)->ip.reass.owner_feature_thread_index = @@ -1114,28 +1125,27 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vnet_buffer (b0)->ip.reass.owner_thread_index = handoff_thread_idx; break; - case IP6_REASS_RC_TOO_MANY_FRAGMENTS: + case IP6_FULL_REASS_RC_TOO_MANY_FRAGMENTS: vlib_node_increment_counter (vm, node->node_index, IP6_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG, 1); - ip6_reass_drop_all (vm, node, rm, reass); - ip6_reass_free (rm, rt, reass); + ip6_full_reass_drop_all (vm, node, rm, reass); + ip6_full_reass_free (rm, rt, reass); goto next_packet; break; - case IP6_REASS_RC_NO_BUF: + case IP6_FULL_REASS_RC_NO_BUF: vlib_node_increment_counter (vm, node->node_index, IP6_ERROR_REASS_NO_BUF, 1); - ip6_reass_drop_all (vm, node, rm, reass); - ip6_reass_free (rm, rt, reass); + ip6_full_reass_drop_all (vm, node, rm, reass); + ip6_full_reass_free (rm, rt, reass); goto next_packet; break; - case IP6_REASS_RC_INTERNAL_ERROR: - /* drop everything and start with a clean slate */ + case IP6_FULL_REASS_RC_INTERNAL_ERROR: vlib_node_increment_counter (vm, node->node_index, IP6_ERROR_REASS_INTERNAL_ERROR, 1); - ip6_reass_drop_all (vm, node, rm, reass); - ip6_reass_free (rm, rt, reass); + ip6_full_reass_drop_all (vm, node, rm, reass); + ip6_full_reass_free (rm, rt, reass); goto next_packet; break; } @@ -1144,7 +1154,7 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, { if (is_feature) { - next0 = IP6_REASSEMBLY_NEXT_DROP; + next0 = IP6_FULL_REASSEMBLY_NEXT_DROP; } else { @@ -1162,21 +1172,20 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, to_next[0] = bi0; to_next += 1; n_left_to_next -= 1; - if (next0 == IP6_REASSEMBLY_NEXT_HANDOFF) + if (next0 == IP6_FULL_REASSEMBLY_NEXT_HANDOFF) { if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) { if (is_feature) - ip6_reass_add_trace (vm, node, rm, ~0, - ~0, - bi0, ~0, ~0, HANDOFF, - vnet_buffer (b0)->ip. - reass.owner_feature_thread_index); + ip6_full_reass_add_trace (vm, node, rm, NULL, bi0, + HANDOFF, + vnet_buffer (b0)->ip. + reass.owner_feature_thread_index); else - ip6_reass_add_trace (vm, node, rm, ~0, ~0, bi0, - ~0, ~0, HANDOFF, - vnet_buffer (b0)->ip. - reass.owner_thread_index); + ip6_full_reass_add_trace (vm, node, rm, NULL, bi0, + HANDOFF, + vnet_buffer (b0)->ip. + reass.owner_thread_index); } } else if (is_feature && IP6_ERROR_NONE == error0) @@ -1190,7 +1199,7 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, if (~0 != icmp_bi) { - next0 = IP6_REASSEMBLY_NEXT_ICMP_ERROR; + next0 = IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR; to_next[0] = icmp_bi; to_next += 1; n_left_to_next -= 1; @@ -1210,67 +1219,68 @@ ip6_reassembly_inline (vlib_main_t * vm, vlib_node_runtime_t * node, return frame->n_vectors; } -static char *ip6_reassembly_error_strings[] = { +static char *ip6_full_reassembly_error_strings[] = { #define _(sym, string) string, foreach_ip6_error #undef _ }; -VLIB_NODE_FN (ip6_reass_node) (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) +VLIB_NODE_FN (ip6_full_reass_node) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { - return ip6_reassembly_inline (vm, node, frame, false /* is_feature */ , - false /* is_custom_app */ ); + return ip6_full_reassembly_inline (vm, node, frame, false /* is_feature */ , + false /* is_custom_app */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip6_reass_node) = { - .name = "ip6-reassembly", +VLIB_REGISTER_NODE (ip6_full_reass_node) = { + .name = "ip6-full-reassembly", .vector_size = sizeof (u32), - .format_trace = format_ip6_reass_trace, - .n_errors = ARRAY_LEN (ip6_reassembly_error_strings), - .error_strings = ip6_reassembly_error_strings, - .n_next_nodes = IP6_REASSEMBLY_N_NEXT, + .format_trace = format_ip6_full_reass_trace, + .n_errors = ARRAY_LEN (ip6_full_reassembly_error_strings), + .error_strings = ip6_full_reassembly_error_strings, + .n_next_nodes = IP6_FULL_REASSEMBLY_N_NEXT, .next_nodes = { - [IP6_REASSEMBLY_NEXT_INPUT] = "ip6-input", - [IP6_REASSEMBLY_NEXT_DROP] = "ip6-drop", - [IP6_REASSEMBLY_NEXT_ICMP_ERROR] = "ip6-icmp-error", - [IP6_REASSEMBLY_NEXT_HANDOFF] = "ip6-reassembly-handoff", + [IP6_FULL_REASSEMBLY_NEXT_INPUT] = "ip6-input", + [IP6_FULL_REASSEMBLY_NEXT_DROP] = "ip6-drop", + [IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR] = "ip6-icmp-error", + [IP6_FULL_REASSEMBLY_NEXT_HANDOFF] = "ip6-full-reassembly-handoff", }, }; /* *INDENT-ON* */ -VLIB_NODE_FN (ip6_reass_node_feature) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) +VLIB_NODE_FN (ip6_full_reass_node_feature) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { - return ip6_reassembly_inline (vm, node, frame, true /* is_feature */ , - false /* is_custom_app */ ); + return ip6_full_reassembly_inline (vm, node, frame, true /* is_feature */ , + false /* is_custom_app */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip6_reass_node_feature) = { - .name = "ip6-reassembly-feature", +VLIB_REGISTER_NODE (ip6_full_reass_node_feature) = { + .name = "ip6-full-reassembly-feature", .vector_size = sizeof (u32), - .format_trace = format_ip6_reass_trace, - .n_errors = ARRAY_LEN (ip6_reassembly_error_strings), - .error_strings = ip6_reassembly_error_strings, - .n_next_nodes = IP6_REASSEMBLY_N_NEXT, + .format_trace = format_ip6_full_reass_trace, + .n_errors = ARRAY_LEN (ip6_full_reassembly_error_strings), + .error_strings = ip6_full_reassembly_error_strings, + .n_next_nodes = IP6_FULL_REASSEMBLY_N_NEXT, .next_nodes = { - [IP6_REASSEMBLY_NEXT_INPUT] = "ip6-input", - [IP6_REASSEMBLY_NEXT_DROP] = "ip6-drop", - [IP6_REASSEMBLY_NEXT_ICMP_ERROR] = "ip6-icmp-error", - [IP6_REASSEMBLY_NEXT_HANDOFF] = "ip6-reass-feature-hoff", + [IP6_FULL_REASSEMBLY_NEXT_INPUT] = "ip6-input", + [IP6_FULL_REASSEMBLY_NEXT_DROP] = "ip6-drop", + [IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR] = "ip6-icmp-error", + [IP6_FULL_REASSEMBLY_NEXT_HANDOFF] = "ip6-full-reass-feature-hoff", }, }; /* *INDENT-ON* */ /* *INDENT-OFF* */ -VNET_FEATURE_INIT (ip6_reassembly_feature, static) = { +VNET_FEATURE_INIT (ip6_full_reassembly_feature, static) = { .arc_name = "ip6-unicast", - .node_name = "ip6-reassembly-feature", + .node_name = "ip6-full-reassembly-feature", .runs_before = VNET_FEATURES ("ip6-lookup", "ipsec6-input-feature"), .runs_after = 0, @@ -1279,13 +1289,13 @@ VNET_FEATURE_INIT (ip6_reassembly_feature, static) = { #ifndef CLIB_MARCH_VARIANT static u32 -ip6_reass_get_nbuckets () +ip6_full_reass_get_nbuckets () { - ip6_reass_main_t *rm = &ip6_reass_main; + ip6_full_reass_main_t *rm = &ip6_full_reass_main; u32 nbuckets; u8 i; - nbuckets = (u32) (rm->max_reass_n / IP6_REASS_HT_LOAD_FACTOR); + nbuckets = (u32) (rm->max_reass_n / IP6_FULL_REASS_HT_LOAD_FACTOR); for (i = 0; i < 31; i++) if ((1 << i) >= nbuckets) @@ -1299,7 +1309,7 @@ ip6_reass_get_nbuckets () typedef enum { IP6_EVENT_CONFIG_CHANGED = 1, -} ip6_reass_event_t; +} ip6_full_reass_event_t; #ifndef CLIB_MARCH_VARIANT typedef struct @@ -1319,37 +1329,38 @@ ip6_rehash_cb (clib_bihash_kv_48_8_t * kv, void *_ctx) } static void -ip6_reass_set_params (u32 timeout_ms, u32 max_reassemblies, - u32 max_reassembly_length, u32 expire_walk_interval_ms) +ip6_full_reass_set_params (u32 timeout_ms, u32 max_reassemblies, + u32 max_reassembly_length, + u32 expire_walk_interval_ms) { - ip6_reass_main.timeout_ms = timeout_ms; - ip6_reass_main.timeout = (f64) timeout_ms / (f64) MSEC_PER_SEC; - ip6_reass_main.max_reass_n = max_reassemblies; - ip6_reass_main.max_reass_len = max_reassembly_length; - ip6_reass_main.expire_walk_interval_ms = expire_walk_interval_ms; + ip6_full_reass_main.timeout_ms = timeout_ms; + ip6_full_reass_main.timeout = (f64) timeout_ms / (f64) MSEC_PER_SEC; + ip6_full_reass_main.max_reass_n = max_reassemblies; + ip6_full_reass_main.max_reass_len = max_reassembly_length; + ip6_full_reass_main.expire_walk_interval_ms = expire_walk_interval_ms; } vnet_api_error_t -ip6_reass_set (u32 timeout_ms, u32 max_reassemblies, - u32 max_reassembly_length, u32 expire_walk_interval_ms) +ip6_full_reass_set (u32 timeout_ms, u32 max_reassemblies, + u32 max_reassembly_length, u32 expire_walk_interval_ms) { - u32 old_nbuckets = ip6_reass_get_nbuckets (); - ip6_reass_set_params (timeout_ms, max_reassemblies, max_reassembly_length, - expire_walk_interval_ms); - vlib_process_signal_event (ip6_reass_main.vlib_main, - ip6_reass_main.ip6_reass_expire_node_idx, + u32 old_nbuckets = ip6_full_reass_get_nbuckets (); + ip6_full_reass_set_params (timeout_ms, max_reassemblies, + max_reassembly_length, expire_walk_interval_ms); + vlib_process_signal_event (ip6_full_reass_main.vlib_main, + ip6_full_reass_main.ip6_full_reass_expire_node_idx, IP6_EVENT_CONFIG_CHANGED, 0); - u32 new_nbuckets = ip6_reass_get_nbuckets (); - if (ip6_reass_main.max_reass_n > 0 && new_nbuckets > old_nbuckets) + u32 new_nbuckets = ip6_full_reass_get_nbuckets (); + if (ip6_full_reass_main.max_reass_n > 0 && new_nbuckets > old_nbuckets) { clib_bihash_48_8_t new_hash; clib_memset (&new_hash, 0, sizeof (new_hash)); ip6_rehash_cb_ctx ctx; ctx.failure = 0; ctx.new_hash = &new_hash; - clib_bihash_init_48_8 (&new_hash, "ip6-reass", new_nbuckets, + clib_bihash_init_48_8 (&new_hash, "ip6-full-reass", new_nbuckets, new_nbuckets * 1024); - clib_bihash_foreach_key_value_pair_48_8 (&ip6_reass_main.hash, + clib_bihash_foreach_key_value_pair_48_8 (&ip6_full_reass_main.hash, ip6_rehash_cb, &ctx); if (ctx.failure) { @@ -1358,29 +1369,31 @@ ip6_reass_set (u32 timeout_ms, u32 max_reassemblies, } else { - clib_bihash_free_48_8 (&ip6_reass_main.hash); - clib_memcpy_fast (&ip6_reass_main.hash, &new_hash, - sizeof (ip6_reass_main.hash)); - clib_bihash_copied (&ip6_reass_main.hash, &new_hash); + clib_bihash_free_48_8 (&ip6_full_reass_main.hash); + clib_memcpy_fast (&ip6_full_reass_main.hash, &new_hash, + sizeof (ip6_full_reass_main.hash)); + clib_bihash_copied (&ip6_full_reass_main.hash, &new_hash); } } return 0; } vnet_api_error_t -ip6_reass_get (u32 * timeout_ms, u32 * max_reassemblies, - u32 * expire_walk_interval_ms) +ip6_full_reass_get (u32 * timeout_ms, u32 * max_reassemblies, + u32 * max_reassembly_length, + u32 * expire_walk_interval_ms) { - *timeout_ms = ip6_reass_main.timeout_ms; - *max_reassemblies = ip6_reass_main.max_reass_n; - *expire_walk_interval_ms = ip6_reass_main.expire_walk_interval_ms; + *timeout_ms = ip6_full_reass_main.timeout_ms; + *max_reassemblies = ip6_full_reass_main.max_reass_n; + *max_reassembly_length = ip6_full_reass_main.max_reass_len; + *expire_walk_interval_ms = ip6_full_reass_main.expire_walk_interval_ms; return 0; } static clib_error_t * -ip6_reass_init_function (vlib_main_t * vm) +ip6_full_reass_init_function (vlib_main_t * vm) { - ip6_reass_main_t *rm = &ip6_reass_main; + ip6_full_reass_main_t *rm = &ip6_full_reass_main; clib_error_t *error = 0; u32 nbuckets; vlib_node_t *node; @@ -1388,24 +1401,25 @@ ip6_reass_init_function (vlib_main_t * vm) rm->vlib_main = vm; vec_validate (rm->per_thread_data, vlib_num_workers ()); - ip6_reass_per_thread_t *rt; + ip6_full_reass_per_thread_t *rt; vec_foreach (rt, rm->per_thread_data) { clib_spinlock_init (&rt->lock); pool_alloc (rt->pool, rm->max_reass_n); } - node = vlib_get_node_by_name (vm, (u8 *) "ip6-reassembly-expire-walk"); + node = vlib_get_node_by_name (vm, (u8 *) "ip6-full-reassembly-expire-walk"); ASSERT (node); - rm->ip6_reass_expire_node_idx = node->index; + rm->ip6_full_reass_expire_node_idx = node->index; - ip6_reass_set_params (IP6_REASS_TIMEOUT_DEFAULT_MS, - IP6_REASS_MAX_REASSEMBLIES_DEFAULT, - IP6_REASS_MAX_REASSEMBLY_LENGTH_DEFAULT, - IP6_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS); + ip6_full_reass_set_params (IP6_FULL_REASS_TIMEOUT_DEFAULT_MS, + IP6_FULL_REASS_MAX_REASSEMBLIES_DEFAULT, + IP6_FULL_REASS_MAX_REASSEMBLY_LENGTH_DEFAULT, + IP6_FULL_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS); - nbuckets = ip6_reass_get_nbuckets (); - clib_bihash_init_48_8 (&rm->hash, "ip6-reass", nbuckets, nbuckets * 1024); + nbuckets = ip6_full_reass_get_nbuckets (); + clib_bihash_init_48_8 (&rm->hash, "ip6-full-reass", nbuckets, + nbuckets * 1024); node = vlib_get_node_by_name (vm, (u8 *) "ip6-drop"); ASSERT (node); @@ -1417,23 +1431,23 @@ ip6_reass_init_function (vlib_main_t * vm) if ((error = vlib_call_init_function (vm, ip_main_init))) return error; ip6_register_protocol (IP_PROTOCOL_IPV6_FRAGMENTATION, - ip6_reass_node.index); + ip6_full_reass_node.index); - rm->fq_index = vlib_frame_queue_main_init (ip6_reass_node.index, 0); + rm->fq_index = vlib_frame_queue_main_init (ip6_full_reass_node.index, 0); rm->fq_feature_index = - vlib_frame_queue_main_init (ip6_reass_node_feature.index, 0); + vlib_frame_queue_main_init (ip6_full_reass_node_feature.index, 0); return error; } -VLIB_INIT_FUNCTION (ip6_reass_init_function); +VLIB_INIT_FUNCTION (ip6_full_reass_init_function); #endif /* CLIB_MARCH_VARIANT */ static uword -ip6_reass_walk_expired (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * f) +ip6_full_reass_walk_expired (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * f) { - ip6_reass_main_t *rm = &ip6_reass_main; + ip6_full_reass_main_t *rm = &ip6_full_reass_main; uword event_type, *event_data = 0; while (true) @@ -1456,7 +1470,7 @@ ip6_reass_walk_expired (vlib_main_t * vm, } f64 now = vlib_time_now (vm); - ip6_reass_t *reass; + ip6_full_reass_t *reass; int *pool_indexes_to_free = NULL; uword thread_index = 0; @@ -1465,7 +1479,8 @@ ip6_reass_walk_expired (vlib_main_t * vm, u32 *vec_icmp_bi = NULL; for (thread_index = 0; thread_index < nthreads; ++thread_index) { - ip6_reass_per_thread_t *rt = &rm->per_thread_data[thread_index]; + ip6_full_reass_per_thread_t *rt = + &rm->per_thread_data[thread_index]; clib_spinlock_lock (&rt->lock); vec_reset_length (pool_indexes_to_free); @@ -1482,13 +1497,13 @@ ip6_reass_walk_expired (vlib_main_t * vm, /* *INDENT-OFF* */ vec_foreach (i, pool_indexes_to_free) { - ip6_reass_t *reass = pool_elt_at_index (rt->pool, i[0]); + ip6_full_reass_t *reass = pool_elt_at_index (rt->pool, i[0]); u32 icmp_bi = ~0; - ip6_reass_on_timeout (vm, node, rm, reass, &icmp_bi); + ip6_full_reass_on_timeout (vm, node, rm, reass, &icmp_bi); if (~0 != icmp_bi) vec_add1 (vec_icmp_bi, icmp_bi); - ip6_reass_free (rm, rt, reass); + ip6_full_reass_free (rm, rt, reass); } /* *INDENT-ON* */ @@ -1530,22 +1545,22 @@ ip6_reass_walk_expired (vlib_main_t * vm, } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip6_reass_expire_node) = { - .function = ip6_reass_walk_expired, - .format_trace = format_ip6_reass_trace, +VLIB_REGISTER_NODE (ip6_full_reass_expire_node) = { + .function = ip6_full_reass_walk_expired, + .format_trace = format_ip6_full_reass_trace, .type = VLIB_NODE_TYPE_PROCESS, - .name = "ip6-reassembly-expire-walk", + .name = "ip6-full-reassembly-expire-walk", - .n_errors = ARRAY_LEN (ip6_reassembly_error_strings), - .error_strings = ip6_reassembly_error_strings, + .n_errors = ARRAY_LEN (ip6_full_reassembly_error_strings), + .error_strings = ip6_full_reassembly_error_strings, }; /* *INDENT-ON* */ static u8 * -format_ip6_reass_key (u8 * s, va_list * args) +format_ip6_full_reass_key (u8 * s, va_list * args) { - ip6_reass_key_t *key = va_arg (*args, ip6_reass_key_t *); + ip6_full_reass_key_t *key = va_arg (*args, ip6_full_reass_key_t *); s = format (s, "xx_id: %u, src: %U, dst: %U, frag_id: %u, proto: %u", key->xx_id, format_ip6_address, &key->src, format_ip6_address, &key->dst, clib_net_to_host_u16 (key->frag_id), key->proto); @@ -1553,15 +1568,15 @@ format_ip6_reass_key (u8 * s, va_list * args) } static u8 * -format_ip6_reass (u8 * s, va_list * args) +format_ip6_full_reass (u8 * s, va_list * args) { vlib_main_t *vm = va_arg (*args, vlib_main_t *); - ip6_reass_t *reass = va_arg (*args, ip6_reass_t *); + ip6_full_reass_t *reass = va_arg (*args, ip6_full_reass_t *); s = format (s, "ID: %lu, key: %U\n first_bi: %u, data_len: %u, " "last_packet_octet: %u, trace_op_counter: %u\n", - reass->id, format_ip6_reass_key, &reass->key, reass->first_bi, - reass->data_len, reass->last_packet_octet, + reass->id, format_ip6_full_reass_key, &reass->key, + reass->first_bi, reass->data_len, reass->last_packet_octet, reass->trace_op_counter); u32 bi = reass->first_bi; u32 counter = 0; @@ -1573,8 +1588,8 @@ format_ip6_reass (u8 * s, va_list * args) "fragment[%u, %u]\n", counter, vnb->ip.reass.range_first, vnb->ip.reass.range_last, bi, - ip6_reass_buffer_get_data_offset (b), - ip6_reass_buffer_get_data_len (b), + ip6_full_reass_buffer_get_data_offset (b), + ip6_full_reass_buffer_get_data_len (b), vnb->ip.reass.fragment_first, vnb->ip.reass.fragment_last); if (b->flags & VLIB_BUFFER_NEXT_PRESENT) { @@ -1589,10 +1604,10 @@ format_ip6_reass (u8 * s, va_list * args) } static clib_error_t * -show_ip6_reass (vlib_main_t * vm, unformat_input_t * input, - CLIB_UNUSED (vlib_cli_command_t * lmd)) +show_ip6_full_reass (vlib_main_t * vm, unformat_input_t * input, + CLIB_UNUSED (vlib_cli_command_t * lmd)) { - ip6_reass_main_t *rm = &ip6_reass_main; + ip6_full_reass_main_t *rm = &ip6_full_reass_main; vlib_cli_output (vm, "---------------------"); vlib_cli_output (vm, "IP6 reassembly status"); @@ -1605,18 +1620,18 @@ show_ip6_reass (vlib_main_t * vm, unformat_input_t * input, u32 sum_reass_n = 0; u64 sum_buffers_n = 0; - ip6_reass_t *reass; + ip6_full_reass_t *reass; uword thread_index; const uword nthreads = vlib_num_workers () + 1; for (thread_index = 0; thread_index < nthreads; ++thread_index) { - ip6_reass_per_thread_t *rt = &rm->per_thread_data[thread_index]; + ip6_full_reass_per_thread_t *rt = &rm->per_thread_data[thread_index]; clib_spinlock_lock (&rt->lock); if (details) { /* *INDENT-OFF* */ pool_foreach (reass, rt->pool, { - vlib_cli_output (vm, "%U", format_ip6_reass, vm, reass); + vlib_cli_output (vm, "%U", format_ip6_full_reass, vm, reass); }); /* *INDENT-ON* */ } @@ -1634,65 +1649,67 @@ show_ip6_reass (vlib_main_t * vm, unformat_input_t * input, } /* *INDENT-OFF* */ -VLIB_CLI_COMMAND (show_ip6_reassembly_cmd, static) = { - .path = "show ip6-reassembly", - .short_help = "show ip6-reassembly [details]", - .function = show_ip6_reass, +VLIB_CLI_COMMAND (show_ip6_full_reassembly_cmd, static) = { + .path = "show ip6-full-reassembly", + .short_help = "show ip6-full-reassembly [details]", + .function = show_ip6_full_reass, }; /* *INDENT-ON* */ #ifndef CLIB_MARCH_VARIANT vnet_api_error_t -ip6_reass_enable_disable (u32 sw_if_index, u8 enable_disable) +ip6_full_reass_enable_disable (u32 sw_if_index, u8 enable_disable) { - return vnet_feature_enable_disable ("ip6-unicast", "ip6-reassembly-feature", + return vnet_feature_enable_disable ("ip6-unicast", + "ip6-full-reassembly-feature", sw_if_index, enable_disable, 0, 0); } #endif /* CLIB_MARCH_VARIANT */ -#define foreach_ip6_reassembly_handoff_error \ +#define foreach_ip6_full_reassembly_handoff_error \ _(CONGESTION_DROP, "congestion drop") typedef enum { -#define _(sym,str) IP6_REASSEMBLY_HANDOFF_ERROR_##sym, - foreach_ip6_reassembly_handoff_error +#define _(sym,str) IP6_FULL_REASSEMBLY_HANDOFF_ERROR_##sym, + foreach_ip6_full_reassembly_handoff_error #undef _ - IP6_REASSEMBLY_HANDOFF_N_ERROR, -} ip6_reassembly_handoff_error_t; + IP6_FULL_REASSEMBLY_HANDOFF_N_ERROR, +} ip6_full_reassembly_handoff_error_t; -static char *ip6_reassembly_handoff_error_strings[] = { +static char *ip6_full_reassembly_handoff_error_strings[] = { #define _(sym,string) string, - foreach_ip6_reassembly_handoff_error + foreach_ip6_full_reassembly_handoff_error #undef _ }; typedef struct { u32 next_worker_index; -} ip6_reassembly_handoff_trace_t; +} ip6_full_reassembly_handoff_trace_t; static u8 * -format_ip6_reassembly_handoff_trace (u8 * s, va_list * args) +format_ip6_full_reassembly_handoff_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 *); - ip6_reassembly_handoff_trace_t *t = - va_arg (*args, ip6_reassembly_handoff_trace_t *); + ip6_full_reassembly_handoff_trace_t *t = + va_arg (*args, ip6_full_reassembly_handoff_trace_t *); s = - format (s, "ip6-reassembly-handoff: next-worker %d", + format (s, "ip6-full-reassembly-handoff: next-worker %d", t->next_worker_index); return s; } always_inline uword -ip6_reassembly_handoff_inline (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame, bool is_feature) +ip6_full_reassembly_handoff_inline (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame, bool is_feature) { - ip6_reass_main_t *rm = &ip6_reass_main; + ip6_full_reass_main_t *rm = &ip6_full_reass_main; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u32 n_enq, n_left_from, *from; @@ -1719,7 +1736,7 @@ ip6_reassembly_handoff_inline (vlib_main_t * vm, vlib_node_runtime_t * node, ((node->flags & VLIB_NODE_FLAG_TRACE) && (b[0]->flags & VLIB_BUFFER_IS_TRACED))) { - ip6_reassembly_handoff_trace_t *t = + ip6_full_reassembly_handoff_trace_t *t = vlib_add_trace (vm, node, b[0], sizeof (*t)); t->next_worker_index = ti[0]; } @@ -1734,26 +1751,26 @@ ip6_reassembly_handoff_inline (vlib_main_t * vm, vlib_node_runtime_t * node, if (n_enq < frame->n_vectors) vlib_node_increment_counter (vm, node->node_index, - IP6_REASSEMBLY_HANDOFF_ERROR_CONGESTION_DROP, + IP6_FULL_REASSEMBLY_HANDOFF_ERROR_CONGESTION_DROP, frame->n_vectors - n_enq); return frame->n_vectors; } -VLIB_NODE_FN (ip6_reassembly_handoff_node) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) +VLIB_NODE_FN (ip6_full_reassembly_handoff_node) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { - return ip6_reassembly_handoff_inline (vm, node, frame, - false /* is_feature */ ); + return ip6_full_reassembly_handoff_inline (vm, node, frame, + false /* is_feature */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip6_reassembly_handoff_node) = { - .name = "ip6-reassembly-handoff", +VLIB_REGISTER_NODE (ip6_full_reassembly_handoff_node) = { + .name = "ip6-full-reassembly-handoff", .vector_size = sizeof (u32), - .n_errors = ARRAY_LEN(ip6_reassembly_handoff_error_strings), - .error_strings = ip6_reassembly_handoff_error_strings, - .format_trace = format_ip6_reassembly_handoff_trace, + .n_errors = ARRAY_LEN(ip6_full_reassembly_handoff_error_strings), + .error_strings = ip6_full_reassembly_handoff_error_strings, + .format_trace = format_ip6_full_reassembly_handoff_trace, .n_next_nodes = 1, @@ -1763,20 +1780,20 @@ VLIB_REGISTER_NODE (ip6_reassembly_handoff_node) = { }; -VLIB_NODE_FN (ip6_reassembly_feature_handoff_node) (vlib_main_t * vm, +VLIB_NODE_FN (ip6_full_reassembly_feature_handoff_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { - return ip6_reassembly_handoff_inline (vm, node, frame, true /* is_feature */ ); + return ip6_full_reassembly_handoff_inline (vm, node, frame, true /* is_feature */ ); } /* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip6_reassembly_feature_handoff_node) = { - .name = "ip6-reass-feature-hoff", +VLIB_REGISTER_NODE (ip6_full_reassembly_feature_handoff_node) = { + .name = "ip6-full-reass-feature-hoff", .vector_size = sizeof (u32), - .n_errors = ARRAY_LEN(ip6_reassembly_handoff_error_strings), - .error_strings = ip6_reassembly_handoff_error_strings, - .format_trace = format_ip6_reassembly_handoff_trace, + .n_errors = ARRAY_LEN(ip6_full_reassembly_handoff_error_strings), + .error_strings = ip6_full_reassembly_handoff_error_strings, + .format_trace = format_ip6_full_reassembly_handoff_trace, .n_next_nodes = 1, diff --git a/src/vnet/ip/ip6_reassembly.h b/src/vnet/ip/reass/ip6_full_reass.h index 1ca2b20813c..c2463e0e8f3 100644 --- a/src/vnet/ip/ip6_reassembly.h +++ b/src/vnet/ip/reass/ip6_full_reass.h @@ -20,8 +20,8 @@ * This file contains the source code for IPv6 reassembly. */ -#ifndef __included_ip6_reassembly_h__ -#define __included_ip6_reassembly_h__ +#ifndef __included_ip6_full_reass_h__ +#define __included_ip6_full_reass_h__ #include <vnet/api_errno.h> #include <vnet/vnet.h> @@ -29,20 +29,21 @@ /** * @brief set ip6 reassembly configuration */ -vnet_api_error_t ip6_reass_set (u32 timeout_ms, u32 max_reassemblies, - u32 max_reassembly_length, - u32 expire_walk_interval_ms); +vnet_api_error_t ip6_full_reass_set (u32 timeout_ms, u32 max_reassemblies, + u32 max_reassembly_length, + u32 expire_walk_interval_ms); /** * @brief get ip6 reassembly configuration */ -vnet_api_error_t ip6_reass_get (u32 * timeout_ms, u32 * max_reassemblies, - u32 * expire_walk_interval_ms); +vnet_api_error_t ip6_full_reass_get (u32 * timeout_ms, u32 * max_reassemblies, + u32 * max_reassembly_length, + u32 * expire_walk_interval_ms); -vnet_api_error_t ip6_reass_enable_disable (u32 sw_if_index, - u8 enable_disable); +vnet_api_error_t ip6_full_reass_enable_disable (u32 sw_if_index, + u8 enable_disable); -#endif /* __included_ip6_reassembly_h */ +#endif /* __included_ip6_full_reass_h */ /* * fd.io coding-style-patch-verification: ON |