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Before this commit port capabilities were a clone of queue capabilities, however the current TAP offload capabilities (e.g. checksum calculation) are per queue and are not specific per port. This commit fixes an internal validation check for new configured queue offloads. The port capability API keeps reporting all queue capabilities as port capabilities. Fixes: 95ae196ae10b ("net/tap: use new Rx offloads API") Fixes: 818fe14a9891 ("net/tap: use new Tx offloads API") Cc: stable@dpdk.org Signed-off-by: Ophir Munk --- v1: initial release v2: Fix log error message and update commit message drivers/net/tap/rte_eth_tap.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c index fe62ab3..b4420ce 100644 --- a/drivers/net/tap/rte_eth_tap.c +++ b/drivers/net/tap/rte_eth_tap.c @@ -269,14 +269,9 @@ static uint64_t tap_rx_offload_get_port_capa(void) { /* - * In order to support legacy apps, - * report capabilities also as port capabilities. + * No specific port Rx offload capabilities. */ - return DEV_RX_OFFLOAD_SCATTER | - DEV_RX_OFFLOAD_IPV4_CKSUM | - DEV_RX_OFFLOAD_UDP_CKSUM | - DEV_RX_OFFLOAD_TCP_CKSUM | - DEV_RX_OFFLOAD_CRC_STRIP; + return 0; } static uint64_t @@ -403,14 +398,9 @@ static uint64_t tap_tx_offload_get_port_capa(void) { /* - * In order to support legacy apps, - * report capabilities also as port capabilities. + * No specific port Tx offload capabilities. */ - return DEV_TX_OFFLOAD_MULTI_SEGS | - DEV_TX_OFFLOAD_IPV4_CKSUM | - DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_CKSUM | - DEV_TX_OFFLOAD_TCP_TSO; + return 0; } static uint64_t @@ -787,7 +777,8 @@ tap_dev_stop(struct rte_eth_dev *dev) static int tap_dev_configure(struct rte_eth_dev *dev) { - uint64_t supp_tx_offloads = tap_tx_offload_get_port_capa(); + uint64_t supp_tx_offloads = tap_tx_offload_get_port_capa() | + tap_tx_offload_get_queue_capa(); uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads; if ((tx_offloads & supp_tx_offloads) != tx_offloads) { @@ -1351,7 +1342,8 @@ tap_tx_queue_setup(struct rte_eth_dev *dev, " or supported offloads 0x%" PRIx64, (void *)dev, tx_conf->offloads, dev->data->dev_conf.txmode.offloads, - tap_tx_offload_get_port_capa()); + (tap_tx_offload_get_port_capa() | + tap_tx_offload_get_queue_capa())); return -rte_errno; } } -- 2.7.4