struct sfc_dp_queue dpq;
};
+/** Datapath transmit queue descriptor number limitations */
+struct sfc_dp_tx_hw_limits {
+ unsigned int txq_max_entries;
+ unsigned int txq_min_entries;
+};
+
/**
* Datapath transmit queue creation information.
*
unsigned int max_fill_level;
/** Minimum number of unused Tx descriptors to do reap */
unsigned int free_thresh;
- /** Transmit queue configuration flags */
- unsigned int flags;
/** Offloads enabled on the transmit queue */
uint64_t offloads;
/** Tx queue size */
volatile void *mem_bar;
/** VI window size shift */
unsigned int vi_window_shift;
+ /**
+ * Maximum number of bytes into the packet the TCP header can start for
+ * the hardware to apply TSO packet edits.
+ */
+ uint16_t tso_tcp_header_offset_limit;
};
/**
* @return 0 or positive errno.
*/
typedef int (sfc_dp_tx_qsize_up_rings_t)(uint16_t nb_tx_desc,
+ struct sfc_dp_tx_hw_limits *limits,
unsigned int *txq_entries,
unsigned int *evq_entries,
unsigned int *txq_max_fill_level);
return (p == NULL) ? NULL : container_of(p, struct sfc_dp_tx, dp);
}
+/** Get Tx datapath ops by the datapath TxQ handle */
+const struct sfc_dp_tx *sfc_dp_tx_by_dp_txq(const struct sfc_dp_txq *dp_txq);
+
extern struct sfc_dp_tx sfc_efx_tx;
extern struct sfc_dp_tx sfc_ef10_tx;
extern struct sfc_dp_tx sfc_ef10_simple_tx;