diff options
| author |   Stefan Sørensen <stefan.sorensen@spectralink.com> | 2014-06-27 11:59:09 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-07-07 16:57:09 -0700 |
| commit | b9c701edc7ff6ddd522497b0194b0bc3ec1b51a9 (patch) | |
| tree | eb4ba9bffe93c7b1ef94a9ad357bb180a4be4acd /net/core/timestamping.c | |
| parent | Merge branch 'sctp' (diff) | |
| download | linux-dev-b9c701edc7ff6ddd522497b0194b0bc3ec1b51a9.tar.xz linux-dev-b9c701edc7ff6ddd522497b0194b0bc3ec1b51a9.zip | |
net: Simplify ptp class checks
Replace two switch statements enumerating all valid ptp classes with an if
statement matching for not PTP_CLASS_NONE.
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/timestamping.c')
| -rw-r--r-- | net/core/timestamping.c | 57 |
1 files changed, 20 insertions, 37 deletions
diff --git a/net/core/timestamping.c b/net/core/timestamping.c index 6521dfd8b7c8..a8770391ea5b 100644 --- a/net/core/timestamping.c +++ b/net/core/timestamping.c @@ -43,31 +43,22 @@ void skb_clone_tx_timestamp(struct sk_buff *skb) return; type = classify(skb); + if (type == PTP_CLASS_NONE) + return; + + phydev = skb->dev->phydev; + if (likely(phydev->drv->txtstamp)) { + if (!atomic_inc_not_zero(&sk->sk_refcnt)) + return; - switch (type) { - case PTP_CLASS_V1_IPV4: - case PTP_CLASS_V1_IPV6: - case PTP_CLASS_V2_IPV4: - case PTP_CLASS_V2_IPV6: - case PTP_CLASS_V2_L2: - case PTP_CLASS_V2_VLAN: - phydev = skb->dev->phydev; - if (likely(phydev->drv->txtstamp)) { - if (!atomic_inc_not_zero(&sk->sk_refcnt)) - return; - - clone = skb_clone(skb, GFP_ATOMIC); - if (!clone) { - sock_put(sk); - return; - } - - clone->sk = sk; - phydev->drv->txtstamp(phydev, clone, type); + clone = skb_clone(skb, GFP_ATOMIC); + if (!clone) { + sock_put(sk); + return; } - break; - default: - break; + + clone->sk = sk; + phydev->drv->txtstamp(phydev, clone, type); } } EXPORT_SYMBOL_GPL(skb_clone_tx_timestamp); @@ -114,20 +105,12 @@ bool skb_defer_rx_timestamp(struct sk_buff *skb) __skb_pull(skb, ETH_HLEN); - switch (type) { - case PTP_CLASS_V1_IPV4: - case PTP_CLASS_V1_IPV6: - case PTP_CLASS_V2_IPV4: - case PTP_CLASS_V2_IPV6: - case PTP_CLASS_V2_L2: - case PTP_CLASS_V2_VLAN: - phydev = skb->dev->phydev; - if (likely(phydev->drv->rxtstamp)) - return phydev->drv->rxtstamp(phydev, skb, type); - break; - default: - break; - } + if (type == PTP_CLASS_NONE) + return false; + + phydev = skb->dev->phydev; + if (likely(phydev->drv->rxtstamp)) + return phydev->drv->rxtstamp(phydev, skb, type); return false; } |