[dpdk-dev] [PATCH 09/39] examples/bond: convert to new ethdev offloads API

Radu Nicolau radu.nicolau at intel.com
Mon Dec 11 12:08:10 CET 2017


On 11/23/2017 12:14 PM, Shahaf Shuler wrote:
> Ethdev offloads API has changed since:
>
> commit ce17eddefc20 ("ethdev: introduce Rx queue offloads API")
> commit cba7f53b717d ("ethdev: introduce Tx queue offloads API")
>
> This commit support the new API.
>
> Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
> ---
>   examples/bond/main.c | 68 ++++++++++++++++++++++++++++++++++++++++-------
>   1 file changed, 58 insertions(+), 10 deletions(-)
>
> diff --git a/examples/bond/main.c b/examples/bond/main.c
> index 8e3b1f340..306447e6b 100644
> --- a/examples/bond/main.c
> +++ b/examples/bond/main.c
> @@ -151,11 +151,8 @@ static struct rte_eth_conf port_conf = {
>   		.mq_mode = ETH_MQ_RX_NONE,
>   		.max_rx_pkt_len = ETHER_MAX_LEN,
>   		.split_hdr_size = 0,
> -		.header_split   = 0, /**< Header Split disabled */
> -		.hw_ip_checksum = 0, /**< IP checksum offload enabled */
> -		.hw_vlan_filter = 0, /**< VLAN filtering disabled */
> -		.jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
> -		.hw_strip_crc   = 1, /**< CRC stripped by hardware */
> +		.ignore_offload_bitfield = 1,
> +		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>   	},
>   	.rx_adv_conf = {
>   		.rss_conf = {
> @@ -174,10 +171,30 @@ slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
>   	int retval;
>   	uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
>   	uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
> +	struct rte_eth_dev_info dev_info;
> +	struct rte_eth_rxconf rxq_conf;
> +	struct rte_eth_txconf txq_conf;
>   
>   	if (portid >= rte_eth_dev_count())
>   		rte_exit(EXIT_FAILURE, "Invalid port\n");
>   
> +	rte_eth_dev_info_get(portid, &dev_info);
> +	if ((dev_info.rx_offload_capa & port_conf.rxmode.offloads) !=
> +	    port_conf.rxmode.offloads) {
> +		printf("Some Rx offloads are not supported "
> +		       "by port %d: requested 0x%lx supported 0x%lx\n",
> +		       portid, port_conf.rxmode.offloads,
> +		       dev_info.rx_offload_capa);
> +		port_conf.rxmode.offloads &= dev_info.rx_offload_capa;
> +	}
> +	if ((dev_info.tx_offload_capa & port_conf.txmode.offloads) !=
> +	     port_conf.txmode.offloads) {
> +		printf("Some Tx offloads are not supported "
> +		       "by port %d: requested 0x%lx supported 0x%lx\n",
> +		       portid, port_conf.txmode.offloads,
> +		       dev_info.tx_offload_capa);
> +		port_conf.txmode.offloads &= dev_info.tx_offload_capa;
> +	}
>   	retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
>   	if (retval != 0)
>   		rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
> @@ -189,16 +206,22 @@ slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
>   				"failed (res=%d)\n", portid, retval);
>   
>   	/* RX setup */
> +	rxq_conf = dev_info.default_rxconf;
> +	rxq_conf.offloads = port_conf.rxmode.offloads;
>   	retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
> -					rte_eth_dev_socket_id(portid), NULL,
> +					rte_eth_dev_socket_id(portid),
> +					&rxq_conf,
>   					mbuf_pool);
>   	if (retval < 0)
>   		rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
>   				portid, retval);
>   
>   	/* TX setup */
> +	txq_conf = dev_info.default_txconf;
> +	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
> +	txq_conf.offloads = port_conf.txmode.offloads;
>   	retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
> -				rte_eth_dev_socket_id(portid), NULL);
> +				rte_eth_dev_socket_id(portid), &txq_conf);
>   
>   	if (retval < 0)
>   		rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
> @@ -225,6 +248,9 @@ bond_port_init(struct rte_mempool *mbuf_pool)
>   	uint8_t i;
>   	uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
>   	uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
> +	struct rte_eth_dev_info dev_info;
> +	struct rte_eth_rxconf rxq_conf;
> +	struct rte_eth_txconf txq_conf;
>   
>   	retval = rte_eth_bond_create("bond0", BONDING_MODE_ALB,
>   			0 /*SOCKET_ID_ANY*/);
> @@ -234,6 +260,23 @@ bond_port_init(struct rte_mempool *mbuf_pool)
>   
>   	BOND_PORT = retval;
>   
> +	rte_eth_dev_info_get(BOND_PORT, &dev_info);
> +	if ((dev_info.rx_offload_capa & port_conf.rxmode.offloads) !=
> +	    port_conf.rxmode.offloads) {
> +		printf("Some Rx offloads are not supported "
> +		       "by port %d: requested 0x%lx supported 0x%lx\n",
> +		       BOND_PORT, port_conf.rxmode.offloads,
> +		       dev_info.rx_offload_capa);
> +		port_conf.rxmode.offloads &= dev_info.rx_offload_capa;
> +	}
> +	if ((dev_info.tx_offload_capa & port_conf.txmode.offloads) !=
> +	    port_conf.txmode.offloads) {
> +		printf("Some Tx offloads are not supported "
> +		       "by port %d: requested 0x%lx supported 0x%lx\n",
> +		       BOND_PORT, port_conf.txmode.offloads,
> +		       dev_info.tx_offload_capa);
> +		port_conf.txmode.offloads &= dev_info.tx_offload_capa;
> +	}
>   	retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &port_conf);
>   	if (retval != 0)
>   		rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
> @@ -245,16 +288,21 @@ bond_port_init(struct rte_mempool *mbuf_pool)
>   				"failed (res=%d)\n", BOND_PORT, retval);
>   
>   	/* RX setup */
> +	rxq_conf = dev_info.default_rxconf;
> +	rxq_conf.offloads = port_conf.rxmode.offloads;
>   	retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
> -					rte_eth_dev_socket_id(BOND_PORT), NULL,
> -					mbuf_pool);
> +					rte_eth_dev_socket_id(BOND_PORT),
> +					&rxq_conf, mbuf_pool);
>   	if (retval < 0)
>   		rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
>   				BOND_PORT, retval);
>   
>   	/* TX setup */
> +	txq_conf = dev_info.default_txconf;
> +	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
> +	txq_conf.offloads = port_conf.txmode.offloads;
>   	retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
> -				rte_eth_dev_socket_id(BOND_PORT), NULL);
> +				rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
>   
>   	if (retval < 0)
>   		rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
Reviewed-by:  Radu Nicolau <radu.nicolau at intel.com>


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