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net/sfc: make multi-segment support a Tx datapath feature

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Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
This commit is contained in:
Andrew Rybchenko 2017-03-20 10:15:18 +00:00 committed by Ferruh Yigit
parent 8b00f426eb
commit ea2ed84c2f
4 changed files with 14 additions and 2 deletions
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1
drivers/net/sfc/sfc_dp_tx.h
View File

@ -134,6 +134,7 @@ struct sfc_dp_tx {
unsigned int features;
#define SFC_DP_TX_FEAT_VLAN_INSERT 0x1
#define SFC_DP_TX_FEAT_TSO 0x2
#define SFC_DP_TX_FEAT_MULTI_SEG 0x4
sfc_dp_tx_qcreate_t *qcreate;
sfc_dp_tx_qdestroy_t *qdestroy;
sfc_dp_tx_qstart_t *qstart;

2
drivers/net/sfc/sfc_ef10_tx.c
View File

@ -440,7 +440,7 @@ struct sfc_dp_tx sfc_ef10_tx = {
.type = SFC_DP_TX,
.hw_fw_caps = SFC_DP_HW_FW_CAP_EF10,
},
.features = 0,
.features = SFC_DP_TX_FEAT_MULTI_SEG,
.qcreate = sfc_ef10_tx_qcreate,
.qdestroy = sfc_ef10_tx_qdestroy,
.qstart = sfc_ef10_tx_qstart,

3
drivers/net/sfc/sfc_ethdev.c
View File

@ -141,6 +141,9 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
else
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
#if EFSYS_OPT_RX_SCALE
if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
dev_info->reta_size = EFX_RSS_TBL_SIZE;

10
drivers/net/sfc/sfc_tx.c
View File

@ -84,6 +84,13 @@ sfc_tx_qcheck_conf(struct sfc_adapter *sa, uint16_t nb_tx_desc,
rc = EINVAL;
}
if (((flags & ETH_TXQ_FLAGS_NOMULTSEGS) == 0) &&
(~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)) {
sfc_err(sa, "Multi-segment is not supported by %s datapath",
sa->dp_tx->dp.name);
rc = EINVAL;
}
if ((flags & ETH_TXQ_FLAGS_NOVLANOFFL) == 0) {
if (!encp->enc_hw_tx_insert_vlan_enabled) {
sfc_err(sa, "VLAN offload is not supported");
@ -938,7 +945,8 @@ struct sfc_dp_tx sfc_efx_tx = {
.hw_fw_caps = 0,
},
.features = SFC_DP_TX_FEAT_VLAN_INSERT |
SFC_DP_TX_FEAT_TSO,
SFC_DP_TX_FEAT_TSO |
SFC_DP_TX_FEAT_MULTI_SEG,
.qcreate = sfc_efx_tx_qcreate,
.qdestroy = sfc_efx_tx_qdestroy,
.qstart = sfc_efx_tx_qstart,