On Fri, 27 May 2022 10:33:48 +0800 "Min Hu (Connor)" <humi...@huawei.com> wrote:
> Added the ethdev HW Rx desc dump API which provides functions for query > HW descriptor from device. HW descriptor info differs in different NICs. > The information demonstrates I/O process which is important for debug. > As the information is different between NICs, the new API is introduced. > > Signed-off-by: Min Hu (Connor) <humi...@huawei.com> > --- > doc/guides/rel_notes/release_22_07.rst | 6 ++++ > lib/ethdev/ethdev_driver.h | 42 ++++++++++++++++++++++++ > lib/ethdev/rte_ethdev.c | 44 ++++++++++++++++++++++++++ > lib/ethdev/rte_ethdev.h | 44 ++++++++++++++++++++++++++ > lib/ethdev/version.map | 2 ++ > 5 files changed, 138 insertions(+) > > diff --git a/doc/guides/rel_notes/release_22_07.rst > b/doc/guides/rel_notes/release_22_07.rst > index 0ed4f92820..cfb9117dd3 100644 > --- a/doc/guides/rel_notes/release_22_07.rst > +++ b/doc/guides/rel_notes/release_22_07.rst > @@ -95,6 +95,12 @@ New Features > * Added AH mode support in lookaside protocol (IPsec) for CN9K & CN10K. > * Added AES-GMAC support in lookaside protocol (IPsec) for CN9K & CN10K. > > +* **Added ethdev HW desc dump API, to dump Rx/Tx HW desc info from device.** > + > + Added the ethdev HW Rx desc dump API which provides functions for query > + HW descriptor from device. HW descriptor info differs in different NICs. > + The information demonstrates I/O process which is important for debug. > + As the information is different between NICs, the new API is introduced. > > Removed Items > ------------- > diff --git a/lib/ethdev/ethdev_driver.h b/lib/ethdev/ethdev_driver.h > index 69d9dc21d8..89512ab360 100644 > --- a/lib/ethdev/ethdev_driver.h > +++ b/lib/ethdev/ethdev_driver.h > @@ -1073,6 +1073,42 @@ typedef int (*eth_ip_reassembly_conf_set_t)(struct > rte_eth_dev *dev, > */ > typedef int (*eth_dev_priv_dump_t)(struct rte_eth_dev *dev, FILE *file); > > +/** > + * @internal > + * Dump ethdev Rx descriptor info to a file. > + * > + * @param file > + * A pointer to a file for output. > + * @param dev > + * Port (ethdev) handle. > + * @param queue_id > + * The selected queue. > + * @param desc_id > + * The selected descriptor. > + * @return > + * Negative errno value on error, zero on success. > + */ > +typedef int (*eth_rx_hw_desc_dump_t)(FILE *file, struct rte_eth_dev *dev, > + uint16_t queue_id, uint16_t desc_id); > + > +/** > + * @internal > + * Dump ethdev Tx descriptor info to a file. > + * > + * @param file > + * A pointer to a file for output. > + * @param dev > + * Port (ethdev) handle. > + * @param queue_id > + * The selected queue. > + * @param desc_id > + * The selected descriptor. > + * @return > + * Negative errno value on error, zero on success. > + */ > +typedef int (*eth_tx_hw_desc_dump_t)(FILE *file, struct rte_eth_dev *dev, > + uint16_t queue_id, uint16_t desc_id); Should be 'const struct rte_eth_dev *dev' to remind developers that dump should not modify device?
