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Merge "msm: veth_ipa: Throughput improvements"

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This commit is contained in:
qctecmdr 2021-04-02 01:31:14 -07:00 • committed by Gerrit - the friendly Code Review server
commit ce85b5823f
1 changed files with 24 additions and 25 deletions
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49
drivers/platform/msm/veth_ipa/veth_ipa.c
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@ -1772,38 +1772,29 @@ static netdev_tx_t veth_ipa_start_xmit
if (unlikely(netif_queue_stopped(net))) {
VETH_IPA_ERROR("interface queue is stopped\n");
goto out;
status = NETDEV_TX_BUSY;
goto fail_tx_packet;
}
if (unlikely(veth_ipa_ctx->state != VETH_IPA_CONNECTED_AND_UP))
return NETDEV_TX_BUSY;
#ifdef VETH_PM_ENB
ret = resource_request(veth_ipa_ctx);
if (ret) {
VETH_IPA_DEBUG("Waiting to resource\n");
if (atomic_read(&veth_ipa_ctx->outstanding_pkts) >=
veth_ipa_ctx->outstanding_high) {
VETH_IPA_DEBUG("outstanding high (%d)- stopping\n",
veth_ipa_ctx->outstanding_high);
netif_stop_queue(net);
goto resource_busy;
status = NETDEV_TX_BUSY;
goto fail_tx_packet;
}
/*
* if (atomic_read(&veth_ipa_ctx->outstanding_pkts) >=
* veth_ipa_ctx->outstanding_high) {
* VETH_IPA_DEBUG("outstanding high (%d)- stopping\n",
* veth_ipa_ctx->outstanding_high);
* netif_stop_queue(net);
* status = NETDEV_TX_BUSY;
* goto out;
* }
*/
if (veth_ipa_ctx->is_vlan_mode)
if (unlikely(skb->protocol != htons(ETH_P_8021Q)))
VETH_IPA_DEBUG(
"ether_type != ETH_P_8021Q && vlan, prot = 0x%X\n",
skb->protocol);
#endif
ret = ipa_tx_dp(IPA_CLIENT_ETHERNET_CONS, skb, NULL);
@ -1818,9 +1809,8 @@ static netdev_tx_t veth_ipa_start_xmit
goto out;
fail_tx_packet:
return status;
out:
status = NETDEV_TX_OK;
return status;
}
@ -1860,13 +1850,22 @@ static void veth_ipa_packet_receive_notify
return;
}
if (evt != IPA_RECEIVE) {
VETH_IPA_ERROR(
"%s: A none IPA_RECEIVE event in VETH_ipa_receive\n",
__func__);
if (evt == IPA_WRITE_DONE) {
atomic_dec(&veth_ipa_ctx->outstanding_pkts);
if
(netif_queue_stopped(veth_ipa_ctx->net) &&
netif_carrier_ok(veth_ipa_ctx->net) &&
atomic_read(&veth_ipa_ctx->outstanding_pkts) <
(veth_ipa_ctx->outstanding_low)) {
netif_wake_queue(veth_ipa_ctx->net);
}
kfree_skb(skb);
return;
}
if (evt != IPA_WRITE_DONE && evt != IPA_RECEIVE) {
VETH_IPA_ERROR("Non TX_complete or Receive Event");
return;
}
skb->dev = veth_ipa_ctx->net;
skb->protocol = eth_type_trans(skb, veth_ipa_ctx->net);