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Commit 792df22c authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

rps: Some minor cleanup in get_rps_cpus 



Use some variables for clarity and extensibility.

Signed-off-by: default avatarTom Herbert <therbert@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f1deab50

net/core/dev.c

+7 −5
Original line number Diff line number Diff line
@@ -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])