d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/sfc: check configured Rx mode

Browse Source 
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:
Andrew Rybchenko 2016-11-29 16:19:16 +00:00 committed by Ferruh Yigit
parent a8e64c6b45
commit 976f2e5a0c
2 changed files with 73 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
doc/guides/nics/sfc_efx.rst
View File

@ -60,6 +60,18 @@ The features not yet supported include:
- Loopback
- Configurable RX CRC stripping (always stripped)
- Header split on receive
- VLAN filtering
- VLAN stripping
- Scattered receive
- LRO
Supported NICs
--------------

61
drivers/net/sfc/sfc_rx.c
View File

@ -47,6 +47,61 @@ sfc_rx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
return 0;
}
static int
sfc_rx_check_mode(struct sfc_adapter *sa, struct rte_eth_rxmode *rxmode)
{
int rc = 0;
switch (rxmode->mq_mode) {
case ETH_MQ_RX_NONE:
/* No special checks are required */
break;
default:
sfc_err(sa, "Rx multi-queue mode %u not supported",
rxmode->mq_mode);
rc = EINVAL;
}
if (rxmode->header_split) {
sfc_err(sa, "Header split on Rx not supported");
rc = EINVAL;
}
if (rxmode->hw_vlan_filter) {
sfc_err(sa, "HW VLAN filtering not supported");
rc = EINVAL;
}
if (rxmode->hw_vlan_strip) {
sfc_err(sa, "HW VLAN stripping not supported");
rc = EINVAL;
}
if (rxmode->hw_vlan_extend) {
sfc_err(sa,
"Q-in-Q HW VLAN stripping not supported");
rc = EINVAL;
}
if (!rxmode->hw_strip_crc) {
sfc_warn(sa,
"FCS stripping control not supported - always stripped");
rxmode->hw_strip_crc = 1;
}
if (rxmode->enable_scatter) {
sfc_err(sa, "Scatter on Rx not supported");
rc = EINVAL;
}
if (rxmode->enable_lro) {
sfc_err(sa, "LRO not supported");
rc = EINVAL;
}
return rc;
}
/**
* Initialize Rx subsystem.
*
@ -58,9 +113,14 @@ sfc_rx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
int
sfc_rx_init(struct sfc_adapter *sa)
{
struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
unsigned int sw_index;
int rc;
rc = sfc_rx_check_mode(sa, &dev_conf->rxmode);
if (rc != 0)
goto fail_check_mode;
sa->rxq_count = sa->eth_dev->data->nb_rx_queues;
rc = ENOMEM;
@ -84,6 +144,7 @@ fail_rx_qinit_info:
fail_rxqs_alloc:
sa->rxq_count = 0;
fail_check_mode:
sfc_log_init(sa, "failed %d", rc);
return rc;
}