vlib_buffer_free (vm, wrk->tx_buffers, n_bufs);
*n_tx_packets += ctx->n_segs_per_evt;
- transport_connection_update_tx_stats (ctx->tc, ctx->max_len_to_snd);
+ transport_connection_update_tx_bytes (ctx->tc, ctx->max_len_to_snd);
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
SESSION_EVT (SESSION_EVT_DEQ, ctx->s, ctx->max_len_to_snd, ctx->max_dequeue,
{
spacer_t *pacer = va_arg (*args, spacer_t *);
- s = format (s, "bucket %u max_burst %u tokens/period %.3f last_update %x",
- pacer->bucket, pacer->max_burst_size, pacer->tokens_per_period,
- pacer->last_update);
+ s = format (s, "bucket %u tokens/period %.3f last_update %x",
+ pacer->bucket, pacer->tokens_per_period, pacer->last_update);
return s;
}
}
void
-transport_connection_update_tx_stats (transport_connection_t * tc, u32 bytes)
+transport_connection_update_tx_bytes (transport_connection_t * tc, u32 bytes)
{
- tc->stats.tx_bytes += bytes;
if (transport_connection_is_tx_paced (tc))
spacer_update_bucket (&tc->pacer, bytes);
}
u8 *format_transport_pacer (u8 * s, va_list * args);
/**
- * Update tx byte stats for transport connection
+ * Update tx bytes for paced transport connection
*
- * If tx pacing is enabled, this also updates pacer bucket to account for the
+ * If tx pacing is enabled, this update pacer bucket to account for the
* amount of bytes that have been sent.
*
* @param tc transport connection
- * @param pkts packets recently sent
* @param bytes bytes recently sent
*/
-void transport_connection_update_tx_stats (transport_connection_t * tc,
+void transport_connection_update_tx_bytes (transport_connection_t * tc,
u32 bytes);
void
transports using the network layer (udp/tcp) */
} transport_connection_flags_t;
-typedef struct _transport_stats
-{
- u64 tx_bytes;
-} transport_stats_t;
-
typedef struct _spacer
{
u64 bucket;
- u32 max_burst_size;
- f32 tokens_per_period;
u64 last_update;
+ f32 tokens_per_period;
} spacer_t;
#define TRANSPORT_CONN_ID_LEN 44
{
ip46_address_t rmt_ip; /**< Remote IP */
ip46_address_t lcl_ip; /**< Local IP */
+ u32 fib_index; /**< Network namespace */
u16 rmt_port; /**< Remote port */
u16 lcl_port; /**< Local port */
- u32 fib_index; /**< Network namespace */
u8 is_ip4; /**< Flag if IP4 connection */
u8 proto; /**< Protocol id */
u8 unused[2]; /**< First field after id wants to be
/*fib_node_index_t rmt_fei;
dpo_id_t rmt_dpo; */
- transport_stats_t stats; /**< Transport connection stats */
spacer_t pacer; /**< Simple transport pacer */
#if TRANSPORT_DEBUG
u32 cc_stat_tstamp; /**< CC stats timestamp */
#endif
+ /**
+ * Transport specific state starts in next cache line. Meant to avoid
+ * alignment surprises in transports when base class changes.
+ */
+ CLIB_CACHE_LINE_ALIGN_MARK (end);
+
/** Macros for 'derived classes' where base is named "connection" */
#define c_lcl_ip connection.lcl_ip
#define c_rmt_ip connection.rmt_ip
STATIC_ASSERT (STRUCT_OFFSET_OF (transport_connection_t, s_index)
== TRANSPORT_CONN_ID_LEN, "update conn id len");
+/* Warn if size changes. Two cache lines is already generous, hopefully we
+ * won't have to outgrow that. */
+STATIC_ASSERT (sizeof (transport_connection_t) <= 128,
+ "moved into 3rd cache line");
+
typedef enum _transport_proto
{
TRANSPORT_PROTO_TCP,