On 3/6/2018 7:40 PM, Ajit Khaparde wrote:
> Update bnxt PMD to new ethdev offloads API.
> Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
> ---
> drivers/net/bnxt/bnxt_ethdev.c | 59
> +++++++++++++++++++++++++++++-------------
> 1 file changed, 41 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
> index 21c46f833..cca4ef40c 100644
> --- a/drivers/net/bnxt/bnxt_ethdev.c
> +++ b/drivers/net/bnxt/bnxt_ethdev.c
> @@ -146,6 +146,27 @@ static const struct rte_pci_id bnxt_pci_id_map[] = {
> ETH_RSS_NONFRAG_IPV6_TCP | \
> ETH_RSS_NONFRAG_IPV6_UDP)
>
> +#define BNXT_DEV_TX_OFFLOAD_SUPPORT (DEV_TX_OFFLOAD_VLAN_INSERT | \
> + DEV_TX_OFFLOAD_IPV4_CKSUM | \
> + DEV_TX_OFFLOAD_TCP_CKSUM | \
> + DEV_TX_OFFLOAD_UDP_CKSUM | \
> + DEV_TX_OFFLOAD_TCP_TSO | \
> + DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | \
> + DEV_TX_OFFLOAD_VXLAN_TNL_TSO | \
> + DEV_TX_OFFLOAD_GRE_TNL_TSO | \
> + DEV_TX_OFFLOAD_IPIP_TNL_TSO | \
> + DEV_TX_OFFLOAD_GENEVE_TNL_TSO | \
> + DEV_TX_OFFLOAD_MULTI_SEGS)
> +
> +#define BNXT_DEV_RX_OFFLOAD_SUPPORT (DEV_RX_OFFLOAD_VLAN_FILTER | \
> + DEV_RX_OFFLOAD_VLAN_STRIP | \
> + DEV_RX_OFFLOAD_IPV4_CKSUM | \
> + DEV_RX_OFFLOAD_UDP_CKSUM | \
> + DEV_RX_OFFLOAD_TCP_CKSUM | \
> + DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | \
> + DEV_RX_OFFLOAD_JUMBO_FRAME | \
> + DEV_RX_OFFLOAD_CRC_STRIP)
> +
> static int bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask);
> static void bnxt_print_link_info(struct rte_eth_dev *eth_dev);
>
> @@ -430,21 +451,14 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev
> *eth_dev,
> dev_info->min_rx_bufsize = 1;
> dev_info->max_rx_pktlen = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN
> + VLAN_TAG_SIZE;
> - dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
> - DEV_RX_OFFLOAD_IPV4_CKSUM |
> - DEV_RX_OFFLOAD_UDP_CKSUM |
> - DEV_RX_OFFLOAD_TCP_CKSUM |
> - DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
> - dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
> - DEV_TX_OFFLOAD_IPV4_CKSUM |
> - DEV_TX_OFFLOAD_TCP_CKSUM |
> - DEV_TX_OFFLOAD_UDP_CKSUM |
> - DEV_TX_OFFLOAD_TCP_TSO |
> - DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
> - DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
> - DEV_TX_OFFLOAD_GRE_TNL_TSO |
> - DEV_TX_OFFLOAD_IPIP_TNL_TSO |
> - DEV_TX_OFFLOAD_GENEVE_TNL_TSO;
> +
> + dev_info->rx_queue_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
Hi Ajit,
Is bnxt supports queue level offloads? If not PMD should return 0 as
rx_queue_offload_capa and tx_queue_offload_capa.
> + dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
> + if (bp->flags & BNXT_FLAG_PTP_SUPPORTED)
> + dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_TIMESTAMP;
> + dev_info->tx_queue_offload_capa = BNXT_DEV_TX_OFFLOAD_SUPPORT;
> + dev_info->tx_offload_capa = BNXT_DEV_TX_OFFLOAD_SUPPORT;
> + dev_info->flow_type_rss_offloads = BNXT_ETH_RSS_SUPPORT;
>
> /* *INDENT-OFF* */
> dev_info->default_rxconf = (struct rte_eth_rxconf) {
> @@ -454,7 +468,8 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev
> *eth_dev,
> .wthresh = 0,
> },
> .rx_free_thresh = 32,
> - .rx_drop_en = 0,
> + /* If no descriptors available, pkts are dropped by default */
> + .rx_drop_en = 1,
> };
>
> dev_info->default_txconf = (struct rte_eth_txconf) {
> @@ -465,8 +480,6 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev
> *eth_dev,
> },
> .tx_free_thresh = 32,
> .tx_rs_thresh = 32,
> - .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
> - ETH_TXQ_FLAGS_NOOFFLOADS,
> };
> eth_dev->data->dev_conf.intr_conf.lsc = 1;
>
> @@ -510,6 +523,16 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev
> *eth_dev,
> static int bnxt_dev_configure_op(struct rte_eth_dev *eth_dev)
> {
> struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
> + uint64_t tx_offloads = eth_dev->data->dev_conf.txmode.offloads;
> + uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads;
> +
> + if (tx_offloads != BNXT_DEV_TX_OFFLOAD_SUPPORT)
> + PMD_DRV_LOG(ERR, "Tx offloads requested 0x%lx supported 0x%x\n",
> + tx_offloads, BNXT_DEV_TX_OFFLOAD_SUPPORT);
Isn't is possible that application request only a subset of the supported
offloads?
And should API return an error for this case?
> +
> + if (rx_offloads != BNXT_DEV_RX_OFFLOAD_SUPPORT)
> + PMD_DRV_LOG(ERR, "Rx offloads requested 0x%lx supported 0x%x\n",
> + rx_offloads, BNXT_DEV_RX_OFFLOAD_SUPPORT);
>
> bp->rx_queues = (void *)eth_dev->data->rx_queues;
> bp->tx_queues = (void *)eth_dev->data->tx_queues;
>
