From: Ivan Malov <[email protected]> Commonly, drivers converted to the new offload API may need to log unsupported offloads as a response to wrong settings. From this perspective, it would be convenient to have generic functions to look up offload names. The patch adds such a helper for Tx.
Signed-off-by: Ivan Malov <[email protected]> Signed-off-by: Andrew Rybchenko <[email protected]> Cc: Thomas Monjalon <[email protected]> Cc: Ferruh Yigit <[email protected]> Cc: Shahaf Shuler <[email protected]> --- lib/librte_ether/rte_ethdev.c | 45 +++++++++++++++++++++++++++++++++ lib/librte_ether/rte_ethdev.h | 15 +++++++++++ lib/librte_ether/rte_ethdev_version.map | 1 + 3 files changed, 61 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 3d09950..071521e 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -116,6 +116,35 @@ static const struct { #undef RTE_RX_OFFLOAD_BIT2STR +#define RTE_TX_OFFLOAD_BIT2STR(_name) \ + { DEV_TX_OFFLOAD_##_name, #_name } + +static const struct { + uint64_t offload; + const char *name; +} rte_tx_offload_names[] = { + RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT), + RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM), + RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM), + RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM), + RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM), + RTE_TX_OFFLOAD_BIT2STR(TCP_TSO), + RTE_TX_OFFLOAD_BIT2STR(UDP_TSO), + RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM), + RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT), + RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO), + RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO), + RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO), + RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO), + RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT), + RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE), + RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS), + RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE), + RTE_TX_OFFLOAD_BIT2STR(SECURITY), +}; + +#undef RTE_TX_OFFLOAD_BIT2STR + /** * The user application callback description. * @@ -788,6 +817,22 @@ rte_eth_dev_rx_offload_name(uint64_t offload) return name; } +const char * +rte_eth_dev_tx_offload_name(uint64_t offload) +{ + const char *name = "UNKNOWN"; + unsigned int i; + + for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) { + if (offload == rte_tx_offload_names[i].offload) { + name = rte_tx_offload_names[i].name; + break; + } + } + + return name; +} + int rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, const struct rte_eth_conf *dev_conf) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 88ceffa..04a4b9c 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -980,6 +980,11 @@ struct rte_eth_conf { */ #define DEV_TX_OFFLOAD_SECURITY 0x00020000 +/* + * If new Tx offload capabilities are defined, they also must be + * mentioned in rte_tx_offload_names in rte_ethdev.c file. + */ + struct rte_pci_device; /** @@ -1937,6 +1942,16 @@ uint32_t rte_eth_speed_bitflag(uint32_t speed, int duplex); const char *rte_eth_dev_rx_offload_name(uint64_t offload); /** + * Get DEV_TX_OFFLOAD_* flag name + * + * @param offload + * Offload flag + * @return + * Offload name or 'UNKNOWN' if the flag cannot be recognised + */ +const char *rte_eth_dev_tx_offload_name(uint64_t offload); + +/** * Configure an Ethernet device. * This function must be invoked first before any other function in the * Ethernet API. This function can also be re-invoked when a device is in the diff --git a/lib/librte_ether/rte_ethdev_version.map b/lib/librte_ether/rte_ethdev_version.map index 03455cf..45f393f 100644 --- a/lib/librte_ether/rte_ethdev_version.map +++ b/lib/librte_ether/rte_ethdev_version.map @@ -202,6 +202,7 @@ DPDK_18.02 { global: rte_eth_dev_rx_offload_name; + rte_eth_dev_tx_offload_name; } DPDK_17.11; EXPERIMENTAL { -- 2.7.4
