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| author | David S. Miller <davem@davemloft.net> | 2014-03-26 20:40:39 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-26 20:40:39 (GMT) |
| commit | 5a6b99170c7042702112c64bec46bcca9fbcc6d7 (patch) | |
| tree | 47e16b3d7a6b6b63790aa032c26adab9b04271f9 | |
| parent | 7aceb47a9df3383b24824c3e4bd4f029e4598fda (diff) | |
| parent | 9152e26df20b9e5ffdbe0d5b96d0e9ff8b33ff31 (diff) | |
| download | linux-5a6b99170c7042702112c64bec46bcca9fbcc6d7.tar.xz | |
Merge branch 'bonding-next'
Ding Tianhong says:
====================
bonding: slight optimization and avoid spam for bond xmit path
v1->v2: Add ratelimit for debugging is not a good idea, it will miss some message
if the user turns the debugging on, so remove the patch 3.
use net_err_ratelimited instead of pr_err_ratelimited and use __func__ instead of
bond_xmit_broadcast().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index e717db3..cbadd6d 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2957,7 +2957,7 @@ static bool bond_flow_dissect(struct bonding *bond, struct sk_buff *skb, fk->ports = 0; noff = skb_network_offset(skb); if (skb->protocol == htons(ETH_P_IP)) { - if (!pskb_may_pull(skb, noff + sizeof(*iph))) + if (unlikely(!pskb_may_pull(skb, noff + sizeof(*iph)))) return false; iph = ip_hdr(skb); fk->src = iph->saddr; @@ -2966,7 +2966,7 @@ static bool bond_flow_dissect(struct bonding *bond, struct sk_buff *skb, if (!ip_is_fragment(iph)) proto = iph->protocol; } else if (skb->protocol == htons(ETH_P_IPV6)) { - if (!pskb_may_pull(skb, noff + sizeof(*iph6))) + if (unlikely(!pskb_may_pull(skb, noff + sizeof(*iph6)))) return false; iph6 = ipv6_hdr(skb); fk->src = (__force __be32)ipv6_addr_hash(&iph6->saddr); @@ -3656,8 +3656,8 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev) struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC); if (!skb2) { - pr_err("%s: Error: bond_xmit_broadcast(): skb_clone() failed\n", - bond_dev->name); + net_err_ratelimited("%s: Error: %s: skb_clone() failed\n", + bond_dev->name, __func__); continue; } /* bond_dev_queue_xmit always returns 0 */ @@ -3768,7 +3768,7 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev) * If we risk deadlock from transmitting this in the * netpoll path, tell netpoll to queue the frame for later tx */ - if (is_netpoll_tx_blocked(dev)) + if (unlikely(is_netpoll_tx_blocked(dev))) return NETDEV_TX_BUSY; rcu_read_lock(); |