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Merge "net: aquantia: Using non-interrupt mode for ICMP packets"

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qctecmdr 2020-09-18 04:24:48 -07:00 committed by Gerrit - the friendly Code Review server
commit 72d30390bd
1 changed files with 29 additions and 9 deletions
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38
drivers/net/ethernet/aquantia/atlantic-fwd/atl_qcom_ipa.c
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@ -20,6 +20,11 @@
#include "atl_fwd.h"
#include "atl_qcom_ipa.h"
#include <linux/etherdevice.h>
#include <net/ip.h>
#include <uapi/linux/ip.h>
#define IPA_ETH_RX_SOFTIRQ_THRESH 16
#if ATL_FWD_API_VERSION >= 2 && IPA_ETH_API_VER >= 4
#define ATL_IPA_SUPPORT_NOTIFY
@ -452,21 +457,36 @@ int atl_ipa_moderate_event(struct ipa_eth_channel *ch, unsigned long event,
return atl_fwd_set_ring_intr_mod(CH_RING(ch), min_usecs, max_usecs);
}
#if IPA_ETH_API_VER >= 7
static int atl_ipa_fwd_receive_skb(struct net_device *ndev, struct sk_buff *skb)
{
struct atl_nic *nic = netdev_priv(ndev);
struct iphdr *ip;
ip = (struct iphdr *)&skb->data[ETH_HLEN];
nic->stats.rx_fwd.packets++;
nic->stats.rx_fwd.bytes += skb->len;
skb->protocol = eth_type_trans(skb, ndev);
/* Submit packet to network stack */
/* If its a ping packet submit it via rx_ni else use rx */
if (ip->protocol == IPPROTO_ICMP) {
return netif_rx_ni(skb);
} else if ((nic->stats.rx.packets %
IPA_ETH_RX_SOFTIRQ_THRESH) == 0) {
return netif_rx_ni(skb);
} else {
return atl_fwd_receive_skb(ndev, skb);
}
}
static int atl_ipa_receive_skb(struct ipa_eth_device *eth_dev,
struct sk_buff *skb, bool in_napi)
{
return in_napi ?
atl_fwd_napi_receive_skb(eth_dev->net_dev, skb) :
atl_fwd_receive_skb(eth_dev->net_dev, skb);
atl_ipa_fwd_receive_skb(eth_dev->net_dev, skb);
}
#else
static int atl_ipa_receive_skb(struct ipa_eth_device *eth_dev,
struct sk_buff *skb)
{
return atl_fwd_receive_skb(eth_dev->net_dev, skb);
}
#endif
static int atl_ipa_transmit_skb(struct ipa_eth_device *eth_dev,
struct sk_buff *skb)