diff options
| author | Tom Herbert <therbert@google.com> | 2011-08-14 19:45:04 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-17 20:06:03 -0700 |
| commit | 792df22cd0499b4e662d4618b0008fdcfef8b04e (patch) | |
| tree | ec980bfc5b5bf79b0c171e23656012887d6c3092 /net/core/dev.c | |
| parent | f1deab502206ab7e4470334b7738383c76e4ddd9 (diff) | |
| download | lwn-792df22cd0499b4e662d4618b0008fdcfef8b04e.tar.gz lwn-792df22cd0499b4e662d4618b0008fdcfef8b04e.zip | |
rps: Some minor cleanup in get_rps_cpus
Use some variables for clarity and extensibility.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index d22ffd722ee3..6578d9483043 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2528,15 +2528,17 @@ __u32 __skb_get_rxhash(struct sk_buff *skb) const struct ipv6hdr *ip6; const struct iphdr *ip; u8 ip_proto; - u32 addr1, addr2, ihl; + u32 addr1, addr2; + u16 proto; union { u32 v32; u16 v16[2]; } ports; nhoff = skb_network_offset(skb); + proto = skb->protocol; - switch (skb->protocol) { + switch (proto) { case __constant_htons(ETH_P_IP): if (!pskb_may_pull(skb, sizeof(*ip) + nhoff)) goto done; @@ -2548,7 +2550,7 @@ __u32 __skb_get_rxhash(struct sk_buff *skb) ip_proto = ip->protocol; addr1 = (__force u32) ip->saddr; addr2 = (__force u32) ip->daddr; - ihl = ip->ihl; + nhoff += ip->ihl * 4; break; case __constant_htons(ETH_P_IPV6): if (!pskb_may_pull(skb, sizeof(*ip6) + nhoff)) @@ -2558,7 +2560,7 @@ __u32 __skb_get_rxhash(struct sk_buff *skb) ip_proto = ip6->nexthdr; addr1 = (__force u32) ip6->saddr.s6_addr32[3]; addr2 = (__force u32) ip6->daddr.s6_addr32[3]; - ihl = (40 >> 2); + nhoff += 40; break; default: goto done; @@ -2567,7 +2569,7 @@ __u32 __skb_get_rxhash(struct sk_buff *skb) ports.v32 = 0; poff = proto_ports_offset(ip_proto); if (poff >= 0) { - nhoff += ihl * 4 + poff; + nhoff += poff; if (pskb_may_pull(skb, nhoff + 4)) { ports.v32 = * (__force u32 *) (skb->data + nhoff); if (ports.v16[1] < ports.v16[0]) |