mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 05:04:00 +08:00
be2net: Add a few inline functions to test TXQ conditions
- Check qfull condition - Check qwake condition - Check pkts pending completion Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
152ffe5bb7
commit
cf5671e699
@ -727,6 +727,21 @@ static u16 skb_ip_proto(struct sk_buff *skb)
|
||||
ip_hdr(skb)->protocol : ipv6_hdr(skb)->nexthdr;
|
||||
}
|
||||
|
||||
static inline bool be_is_txq_full(struct be_tx_obj *txo)
|
||||
{
|
||||
return atomic_read(&txo->q.used) + BE_MAX_TX_FRAG_COUNT >= txo->q.len;
|
||||
}
|
||||
|
||||
static inline bool be_can_txq_wake(struct be_tx_obj *txo)
|
||||
{
|
||||
return atomic_read(&txo->q.used) < txo->q.len / 2;
|
||||
}
|
||||
|
||||
static inline bool be_is_tx_compl_pending(struct be_tx_obj *txo)
|
||||
{
|
||||
return atomic_read(&txo->q.used) > txo->pend_wrb_cnt;
|
||||
}
|
||||
|
||||
static void be_get_wrb_params_from_skb(struct be_adapter *adapter,
|
||||
struct sk_buff *skb,
|
||||
struct be_wrb_params *wrb_params)
|
||||
@ -1134,7 +1149,6 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
|
||||
u16 q_idx = skb_get_queue_mapping(skb);
|
||||
struct be_tx_obj *txo = &adapter->tx_obj[q_idx];
|
||||
struct be_wrb_params wrb_params = { 0 };
|
||||
struct be_queue_info *txq = &txo->q;
|
||||
bool flush = !skb->xmit_more;
|
||||
u16 wrb_cnt;
|
||||
|
||||
@ -1150,7 +1164,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
|
||||
goto drop;
|
||||
}
|
||||
|
||||
if ((atomic_read(&txq->used) + BE_MAX_TX_FRAG_COUNT) >= txq->len) {
|
||||
if (be_is_txq_full(txo)) {
|
||||
netif_stop_subqueue(netdev, q_idx);
|
||||
tx_stats(txo)->tx_stops++;
|
||||
}
|
||||
@ -2225,7 +2239,7 @@ static void be_tx_compl_clean(struct be_adapter *adapter)
|
||||
atomic_sub(num_wrbs, &txq->used);
|
||||
timeo = 0;
|
||||
}
|
||||
if (atomic_read(&txq->used) == txo->pend_wrb_cnt)
|
||||
if (!be_is_tx_compl_pending(txo))
|
||||
pending_txqs--;
|
||||
}
|
||||
|
||||
@ -2638,7 +2652,7 @@ static void be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo,
|
||||
/* As Tx wrbs have been freed up, wake up netdev queue
|
||||
* if it was stopped due to lack of tx wrbs. */
|
||||
if (__netif_subqueue_stopped(adapter->netdev, idx) &&
|
||||
atomic_read(&txo->q.used) < txo->q.len / 2) {
|
||||
be_can_txq_wake(txo)) {
|
||||
netif_wake_subqueue(adapter->netdev, idx);
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user