c11 safe string handling support

[vpp.git] / src / vnet / sctp / sctp_packet.h

diff --git a/src/vnet/sctp/sctp_packet.h b/src/vnet/sctp/sctp_packet.h
index d1fe7ab..04995aa 100644 (file)
--- a/src/vnet/sctp/sctp_packet.h
+++ b/src/vnet/sctp/sctp_packet.h
@@ -163,7 +163,8 @@ typedef enum
   COOKIE_ACK,
   ECNE,
   CWR,
-  SHUTDOWN_COMPLETE
+  SHUTDOWN_COMPLETE,
+  UNKNOWN
 } sctp_chunk_type;
 
 /*
@@ -267,6 +268,15 @@ typedef struct
 #define CHUNK_FLAGS_MASK 0x00FF0000
 #define CHUNK_FLAGS_SHIFT 16
 
+#define CHUNK_UBIT_MASK 0x00040000
+#define CHUNK_UBIT_SHIFT 18
+
+#define CHUNK_BBIT_MASK 0x00020000
+#define CHUNK_BBIT_SHIFT 17
+
+#define CHUNK_EBIT_MASK 0x00010000
+#define CHUNK_EBIT_SHIFT 16
+
 #define CHUNK_LENGTH_MASK 0x0000FFFF
 #define CHUNK_LENGTH_SHIFT 0
 
@@ -282,6 +292,45 @@ vnet_sctp_common_hdr_params_net_to_host (sctp_chunks_common_hdr_t * h)
   h->params = clib_net_to_host_u32 (h->params);
 }
 
+always_inline void
+vnet_sctp_set_ubit (sctp_chunks_common_hdr_t * h)
+{
+  h->params &= ~(CHUNK_UBIT_MASK);
+  h->params |= (1 << CHUNK_UBIT_SHIFT) & CHUNK_UBIT_MASK;
+}
+
+always_inline u8
+vnet_sctp_get_ubit (sctp_chunks_common_hdr_t * h)
+{
+  return ((h->params & CHUNK_UBIT_MASK) >> CHUNK_UBIT_SHIFT);
+}
+
+always_inline void
+vnet_sctp_set_bbit (sctp_chunks_common_hdr_t * h)
+{
+  h->params &= ~(CHUNK_BBIT_MASK);
+  h->params |= (1 << CHUNK_BBIT_SHIFT) & CHUNK_BBIT_MASK;
+}
+
+always_inline u8
+vnet_sctp_get_bbit (sctp_chunks_common_hdr_t * h)
+{
+  return ((h->params & CHUNK_BBIT_MASK) >> CHUNK_BBIT_SHIFT);
+}
+
+always_inline void
+vnet_sctp_set_ebit (sctp_chunks_common_hdr_t * h)
+{
+  h->params &= ~(CHUNK_EBIT_MASK);
+  h->params |= (1 << CHUNK_EBIT_SHIFT) & CHUNK_EBIT_MASK;
+}
+
+always_inline u8
+vnet_sctp_get_ebit (sctp_chunks_common_hdr_t * h)
+{
+  return ((h->params & CHUNK_EBIT_MASK) >> CHUNK_EBIT_SHIFT);
+}
+
 always_inline void
 vnet_sctp_set_chunk_type (sctp_chunks_common_hdr_t * h, sctp_chunk_type t)
 {
@@ -407,45 +456,6 @@ typedef struct
 
 } sctp_payload_data_chunk_t;
 
-always_inline void
-vnet_sctp_set_ebit (sctp_payload_data_chunk_t * p, u8 enable)
-{
-  //p->chunk_hdr.flags = clib_host_to_net_u16 (enable);
-}
-
-always_inline u8
-vnet_sctp_get_ebit (sctp_payload_data_chunk_t * p)
-{
-  //return (clib_net_to_host_u16 (p->chunk_hdr.flags));
-  return 0;
-}
-
-always_inline void
-vnet_sctp_set_bbit (sctp_payload_data_chunk_t * p, u8 enable)
-{
-  //p->chunk_hdr.flags = clib_host_to_net_u16 (enable << 1);
-}
-
-always_inline u8
-vnet_sctp_get_bbit (sctp_payload_data_chunk_t * p)
-{
-  //return (clib_net_to_host_u16 (p->chunk_hdr.flags >> 1));
-  return 0;
-}
-
-always_inline void
-vnet_sctp_set_ubit (sctp_payload_data_chunk_t * p, u8 enable)
-{
-  //p->chunk_hdr.flags = clib_host_to_net_u16 (enable << 2);
-}
-
-always_inline u8
-vnet_sctp_get_ubit (sctp_payload_data_chunk_t * p)
-{
-  //return (clib_net_to_host_u16 (p->chunk_hdr.flags >> 2));
-  return 0;
-}
-
 always_inline void
 vnet_sctp_set_tsn (sctp_payload_data_chunk_t * p, u32 tsn)
 {
@@ -503,7 +513,6 @@ vnet_sctp_calculate_padding (u16 base_length)
   return (4 - base_length % 4);
 }
 
-#define DEFAULT_A_RWND 1480
 #define INBOUND_STREAMS_COUNT 1
 #define OUTBOUND_STREAMS_COUNT 1
 
@@ -680,6 +689,14 @@ typedef struct
  */
 typedef sctp_init_chunk_t sctp_init_ack_chunk_t;
 
+typedef struct
+{
+  u16 type;
+  u16 length;
+
+} sctp_opt_params_hdr_t;
+
+#define SHA1_OUTPUT_LENGTH 20
 /*
  * 0                   1                   2                   3
  * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
@@ -691,19 +708,12 @@ typedef sctp_init_chunk_t sctp_init_ack_chunk_t;
  * \                                                               \
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
-typedef struct
-{
-  u16 type;
-  u16 length;
-
-} sctp_opt_params_hdr_t;
-
 typedef struct
 {
   sctp_opt_params_hdr_t param_hdr;
 
-  u64 mac;                     /* RFC 2104 */
-  u32 creation_time;
+  unsigned char mac[SHA1_OUTPUT_LENGTH];       /* RFC 2104 */
+  u64 creation_time;
   u32 cookie_lifespan;
 
 } sctp_state_cookie_param_t;
@@ -941,7 +951,7 @@ vnet_sctp_set_hostname_address (sctp_hostname_param_t * h, char *hostname)
 {
   h->param_hdr.length = FQDN_MAX_LENGTH;
   h->param_hdr.type = clib_host_to_net_u16 (SCTP_HOSTNAME_ADDRESS_TYPE);
-  memset (h->hostname, '0', FQDN_MAX_LENGTH);
+  clib_memset (h->hostname, '0', FQDN_MAX_LENGTH);
   memcpy (h->hostname, hostname, FQDN_MAX_LENGTH);
 }
 
@@ -1305,6 +1315,32 @@ typedef struct
 
 } sctp_err_cause_param_t;
 
+
+/*
+ * An end-point sends this chunk to its peer end-point to notify it of
+ * certain error conditions.  It contains one or more error causes.
+ * An Operation Error is not considered fatal in and of itself, but may be
+ * used with an ABORT chunk to report a fatal condition.  It has the
+ * following parameters:
+ *
+ * 0                   1                   2                   3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |   Type = 9    | Chunk  Flags  |           Length              |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * \                                                               \
+ * /                    one or more Error Causes                   /
+ * \                                                               \
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+typedef struct
+{
+  sctp_header_t sctp_hdr;
+  sctp_chunks_common_hdr_t chunk_hdr;
+  sctp_err_cause_param_t err_causes[];
+
+} sctp_operation_error_t;
+
 /*
  * Abort Association (ABORT)
  *