diff options
Diffstat (limited to 'src/plugins/mactime/node.c')
| -rw-r--r-- | src/plugins/mactime/node.c | 68 |
1 files changed, 56 insertions, 12 deletions
diff --git a/src/plugins/mactime/node.c b/src/plugins/mactime/node.c index 4d45dd54ef3..e4d12f80db4 100644 --- a/src/plugins/mactime/node.c +++ b/src/plugins/mactime/node.c @@ -19,6 +19,7 @@ #include <vnet/pg/pg.h> #include <vppinfra/error.h> #include <mactime/mactime.h> +#include <vnet/ip/ip4.h> typedef struct { @@ -32,8 +33,11 @@ vlib_node_registration_t mactime_node; vlib_node_registration_t mactime_tx_node; #define foreach_mactime_error \ -_(DROP, "Dropped packets") \ -_(OK, "Permitted packets") +_(OK, "Permitted packets") \ +_(STATIC_DROP, "Static drop packets") \ +_(RANGE_DROP, "Range drop packets") \ +_(QUOTA_DROP, "Data quota drop packets") \ +_(DROP_10001, "Dropped UDP DST-port 10001") typedef enum { @@ -82,7 +86,7 @@ mactime_node_inline (vlib_main_t * vm, mactime_device_t *dp; clib_bihash_kv_8_8_t kv; clib_bihash_8_8_t *lut = &mm->lookup_table; - u32 packets_ok = 0, packets_dropped = 0; + u32 packets_ok = 0; f64 now; u32 thread_index = vm->thread_index; vnet_main_t *vnm = vnet_get_main (); @@ -164,6 +168,24 @@ mactime_node_inline (vlib_main_t * vm, dp = pool_elt_at_index (mm->devices, device_index0); + /* Known device, check for a traffic quota */ + if (PREDICT_FALSE (dp->data_quota)) + { + vlib_counter_t device_current_count; + vlib_get_combined_counter (&mm->allow_counters, + dp - mm->devices, + &device_current_count); + if (device_current_count.bytes >= dp->data_quota) + { + next0 = MACTIME_NEXT_DROP; + b0->error = node->errors[MACTIME_ERROR_QUOTA_DROP]; + vlib_increment_combined_counter + (&mm->drop_counters, thread_index, dp - mm->devices, 1, + len0); + goto trace0; + } + } + /* Static drop / allow? */ if (PREDICT_FALSE (dp->flags & @@ -173,17 +195,41 @@ mactime_node_inline (vlib_main_t * vm, if (dp->flags & MACTIME_DEVICE_FLAG_STATIC_DROP) { next0 = MACTIME_NEXT_DROP; + b0->error = node->errors[MACTIME_ERROR_STATIC_DROP]; vlib_increment_combined_counter (&mm->drop_counters, thread_index, dp - mm->devices, 1, len0); - packets_dropped++; } else /* note next0 set to allow */ { - vlib_increment_combined_counter - (&mm->allow_counters, thread_index, dp - mm->devices, 1, - len0); - packets_ok++; + /* + * Special-case mini-ACL for a certain species of + * home security DVR which likes to "call home." + */ + if (PREDICT_FALSE + (dp->flags & MACTIME_DEVICE_FLAG_DROP_UDP_10001)) + { + ip4_header_t *ip = (void *) (((u8 *) en0) + 14); + udp_header_t *udp = (udp_header_t *) (ip + 1); + if (ip->protocol != IP_PROTOCOL_UDP) + goto pass; + if (clib_net_to_host_u16 (udp->dst_port) == 10001 || + clib_net_to_host_u16 (udp->dst_port) == 9603) + { + next0 = MACTIME_NEXT_DROP; + b0->error = node->errors[MACTIME_ERROR_DROP_10001]; + } + else + goto pass; + } + else + { + pass: + vlib_increment_combined_counter + (&mm->allow_counters, thread_index, dp - mm->devices, + 1, len0); + packets_ok++; + } } goto trace0; } @@ -205,8 +251,8 @@ mactime_node_inline (vlib_main_t * vm, vlib_increment_combined_counter (&mm->drop_counters, thread_index, dp - mm->devices, 1, len0); - packets_dropped++; next0 = MACTIME_NEXT_DROP; + b0->error = node->errors[MACTIME_ERROR_RANGE_DROP]; } else /* it's an allow range, allow it */ { @@ -225,9 +271,9 @@ mactime_node_inline (vlib_main_t * vm, if (dp->flags & MACTIME_DEVICE_FLAG_DYNAMIC_ALLOW) { next0 = MACTIME_NEXT_DROP; + b0->error = node->errors[MACTIME_ERROR_STATIC_DROP]; vlib_increment_combined_counter (&mm->drop_counters, thread_index, dp - mm->devices, 1, len0); - packets_dropped++; } else { @@ -266,8 +312,6 @@ mactime_node_inline (vlib_main_t * vm, } vlib_node_increment_counter (vm, node->node_index, - MACTIME_ERROR_DROP, packets_dropped); - vlib_node_increment_counter (vm, node->node_index, MACTIME_ERROR_OK, packets_ok); return frame->n_vectors; } |