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path: root/drivers/net/tap/rte_eth_tap.c
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Diffstat (limited to 'drivers/net/tap/rte_eth_tap.c')
-rw-r--r--drivers/net/tap/rte_eth_tap.c88
1 files changed, 8 insertions, 80 deletions
diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index b9dac19..598dc67 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -281,21 +281,6 @@ tap_rx_offload_get_queue_capa(void)
DEV_RX_OFFLOAD_CRC_STRIP;
}
-static bool
-tap_rxq_are_offloads_valid(struct rte_eth_dev *dev, uint64_t offloads)
-{
- uint64_t port_offloads = dev->data->dev_conf.rxmode.offloads;
- uint64_t queue_supp_offloads = tap_rx_offload_get_queue_capa();
- uint64_t port_supp_offloads = tap_rx_offload_get_port_capa();
-
- if ((offloads & (queue_supp_offloads | port_supp_offloads)) !=
- offloads)
- return false;
- if ((port_offloads ^ offloads) & port_supp_offloads)
- return false;
- return true;
-}
-
/* Callback to handle the rx burst of packets to the correct interface and
* file descriptor(s) in a multi-queue setup.
*/
@@ -409,22 +394,6 @@ tap_tx_offload_get_queue_capa(void)
DEV_TX_OFFLOAD_TCP_CKSUM;
}
-static bool
-tap_txq_are_offloads_valid(struct rte_eth_dev *dev, uint64_t offloads)
-{
- uint64_t port_offloads = dev->data->dev_conf.txmode.offloads;
- uint64_t queue_supp_offloads = tap_tx_offload_get_queue_capa();
- uint64_t port_supp_offloads = tap_tx_offload_get_port_capa();
-
- if ((offloads & (queue_supp_offloads | port_supp_offloads)) !=
- offloads)
- return false;
- /* Verify we have no conflict with port offloads */
- if ((port_offloads ^ offloads) & port_supp_offloads)
- return false;
- return true;
-}
-
static void
tap_tx_offload(char *packet, uint64_t ol_flags, unsigned int l2_len,
unsigned int l3_len)
@@ -669,18 +638,6 @@ 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() |
- tap_tx_offload_get_queue_capa();
- uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads;
-
- if ((tx_offloads & supp_tx_offloads) != tx_offloads) {
- rte_errno = ENOTSUP;
- TAP_LOG(ERR,
- "Some Tx offloads are not supported "
- "requested 0x%" PRIx64 " supported 0x%" PRIx64,
- tx_offloads, supp_tx_offloads);
- return -rte_errno;
- }
if (dev->data->nb_rx_queues > RTE_PMD_TAP_MAX_QUEUES) {
TAP_LOG(ERR,
"%s: number of rx queues %d exceeds max num of queues %d",
@@ -1089,19 +1046,6 @@ tap_rx_queue_setup(struct rte_eth_dev *dev,
return -1;
}
- /* Verify application offloads are valid for our port and queue. */
- if (!tap_rxq_are_offloads_valid(dev, rx_conf->offloads)) {
- rte_errno = ENOTSUP;
- TAP_LOG(ERR,
- "%p: Rx queue offloads 0x%" PRIx64
- " don't match port offloads 0x%" PRIx64
- " or supported offloads 0x%" PRIx64,
- (void *)dev, rx_conf->offloads,
- dev->data->dev_conf.rxmode.offloads,
- (tap_rx_offload_get_port_capa() |
- tap_rx_offload_get_queue_capa()));
- return -rte_errno;
- }
rxq->mp = mp;
rxq->trigger_seen = 1; /* force initial burst */
rxq->in_port = dev->data->port_id;
@@ -1165,35 +1109,19 @@ tap_tx_queue_setup(struct rte_eth_dev *dev,
struct pmd_internals *internals = dev->data->dev_private;
struct tx_queue *txq;
int ret;
+ uint64_t offloads;
if (tx_queue_id >= dev->data->nb_tx_queues)
return -1;
dev->data->tx_queues[tx_queue_id] = &internals->txq[tx_queue_id];
txq = dev->data->tx_queues[tx_queue_id];
- /*
- * Don't verify port offloads for application which
- * use the old API.
- */
- if (tx_conf != NULL &&
- !!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
- if (tap_txq_are_offloads_valid(dev, tx_conf->offloads)) {
- txq->csum = !!(tx_conf->offloads &
- (DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM));
- } else {
- rte_errno = ENOTSUP;
- TAP_LOG(ERR,
- "%p: Tx queue offloads 0x%" PRIx64
- " don't match port offloads 0x%" PRIx64
- " 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_queue_capa()));
- return -rte_errno;
- }
- }
+
+ offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
+ txq->csum = !!(offloads &
+ (DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM));
+
ret = tap_setup_queue(dev, internals, tx_queue_id, 0);
if (ret == -1)
return -1;