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net/sfc: add function to check configured Tx mode

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Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Ivan Malov 2016-11-29 16:19:24 +00:00 committed by Ferruh Yigit
parent a8ad8cf83f
commit dbf0f6278f
1 changed files with 42 additions and 0 deletions
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42
drivers/net/sfc/sfc_tx.c
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@ -40,12 +40,53 @@ sfc_tx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
return 0;
}
static int
sfc_tx_check_mode(struct sfc_adapter *sa, const struct rte_eth_txmode *txmode)
{
int rc = 0;
switch (txmode->mq_mode) {
case ETH_MQ_TX_NONE:
break;
default:
sfc_err(sa, "Tx multi-queue mode %u not supported",
txmode->mq_mode);
rc = EINVAL;
}
/*
* These features are claimed to be i40e-specific,
* but it does make sense to double-check their absence
*/
if (txmode->hw_vlan_reject_tagged) {
sfc_err(sa, "Rejecting tagged packets not supported");
rc = EINVAL;
}
if (txmode->hw_vlan_reject_untagged) {
sfc_err(sa, "Rejecting untagged packets not supported");
rc = EINVAL;
}
if (txmode->hw_vlan_insert_pvid) {
sfc_err(sa, "Port-based VLAN insertion not supported");
rc = EINVAL;
}
return rc;
}
int
sfc_tx_init(struct sfc_adapter *sa)
{
const struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
unsigned int sw_index;
int rc = 0;
rc = sfc_tx_check_mode(sa, &dev_conf->txmode);
if (rc != 0)
goto fail_check_mode;
sa->txq_count = sa->eth_dev->data->nb_tx_queues;
sa->txq_info = rte_calloc_socket("sfc-txqs", sa->txq_count,
@ -69,6 +110,7 @@ sfc_tx_init(struct sfc_adapter *sa)
fail_txqs_alloc:
sa->txq_count = 0;
fail_check_mode:
sfc_log_init(sa, "failed (rc = %d)", rc);
return rc;
}