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path: root/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4vf/sge.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4vf/sge.c38
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index 14d7e673c656..dfce5df7538e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -1202,6 +1202,10 @@ int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev)
BUG_ON(qidx >= pi->nqsets);
txq = &adapter->sge.ethtxq[pi->first_qset + qidx];
+ if (pi->vlan_id && !skb_vlan_tag_present(skb))
+ __vlan_hwaccel_put_tag(skb, cpu_to_be16(ETH_P_8021Q),
+ pi->vlan_id);
+
/*
* Take this opportunity to reclaim any TX Descriptors whose DMA
* transfers have completed.
@@ -1570,6 +1574,7 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl,
{
struct adapter *adapter = rxq->rspq.adapter;
struct sge *s = &adapter->sge;
+ struct port_info *pi;
int ret;
struct sk_buff *skb;
@@ -1586,8 +1591,9 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl,
skb->truesize += skb->data_len;
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb_record_rx_queue(skb, rxq->rspq.idx);
+ pi = netdev_priv(skb->dev);
- if (pkt->vlan_ex) {
+ if (pkt->vlan_ex && !pi->vlan_id) {
__vlan_hwaccel_put_tag(skb, cpu_to_be16(ETH_P_8021Q),
be16_to_cpu(pkt->vlan));
rxq->stats.vlan_ex++;
@@ -1620,6 +1626,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq);
struct adapter *adapter = rspq->adapter;
struct sge *s = &adapter->sge;
+ struct port_info *pi;
/*
* If this is a good TCP packet and we have Generic Receive Offload
@@ -1644,6 +1651,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
__skb_pull(skb, s->pktshift);
skb->protocol = eth_type_trans(skb, rspq->netdev);
skb_record_rx_queue(skb, rspq->idx);
+ pi = netdev_priv(skb->dev);
rxq->stats.pkts++;
if (csum_ok && !pkt->err_vec &&
@@ -1660,9 +1668,10 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
} else
skb_checksum_none_assert(skb);
- if (pkt->vlan_ex) {
+ if (pkt->vlan_ex && !pi->vlan_id) {
rxq->stats.vlan_ex++;
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), be16_to_cpu(pkt->vlan));
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ be16_to_cpu(pkt->vlan));
}
netif_receive_skb(skb);
@@ -2619,8 +2628,8 @@ void t4vf_sge_stop(struct adapter *adapter)
int t4vf_sge_init(struct adapter *adapter)
{
struct sge_params *sge_params = &adapter->params.sge;
- u32 fl0 = sge_params->sge_fl_buffer_size[0];
- u32 fl1 = sge_params->sge_fl_buffer_size[1];
+ u32 fl_small_pg = sge_params->sge_fl_buffer_size[0];
+ u32 fl_large_pg = sge_params->sge_fl_buffer_size[1];
struct sge *s = &adapter->sge;
/*
@@ -2628,9 +2637,20 @@ int t4vf_sge_init(struct adapter *adapter)
* the Physical Function Driver. Ideally we should be able to deal
* with _any_ configuration. Practice is different ...
*/
- if (fl0 != PAGE_SIZE || (fl1 != 0 && fl1 <= fl0)) {
+
+ /* We only bother using the Large Page logic if the Large Page Buffer
+ * is larger than our Page Size Buffer.
+ */
+ if (fl_large_pg <= fl_small_pg)
+ fl_large_pg = 0;
+
+ /* The Page Size Buffer must be exactly equal to our Page Size and the
+ * Large Page Size Buffer should be 0 (per above) or a power of 2.
+ */
+ if (fl_small_pg != PAGE_SIZE ||
+ (fl_large_pg & (fl_large_pg - 1)) != 0) {
dev_err(adapter->pdev_dev, "bad SGE FL buffer sizes [%d, %d]\n",
- fl0, fl1);
+ fl_small_pg, fl_large_pg);
return -EINVAL;
}
if ((sge_params->sge_control & RXPKTCPLMODE_F) !=
@@ -2642,8 +2662,8 @@ int t4vf_sge_init(struct adapter *adapter)
/*
* Now translate the adapter parameters into our internal forms.
*/
- if (fl1)
- s->fl_pg_order = ilog2(fl1) - PAGE_SHIFT;
+ if (fl_large_pg)
+ s->fl_pg_order = ilog2(fl_large_pg) - PAGE_SHIFT;
s->stat_len = ((sge_params->sge_control & EGRSTATUSPAGESIZE_F)
? 128 : 64);
s->pktshift = PKTSHIFT_G(sge_params->sge_control);