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net: Change skb_get_rxhash to skb_get_hash

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Changing name of function as part of making the hash in skbuff to be
generic property, not just for receive path.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2013-12-15 22:12:06 -08:00 committed by David S. Miller
parent 1aee6cc2a5
commit 3958afa1b2
10 changed files with 17 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/macvtap.c
View file

@ -224,7 +224,7 @@ static struct macvtap_queue *macvtap_get_queue(struct net_device *dev,
goto out;
/* Check if we can use flow to select a queue */
rxq = skb_get_rxhash(skb);
rxq = skb_get_hash(skb);
if (rxq) {
tap = rcu_dereference(vlan->taps[rxq % numvtaps]);
goto out;

4
drivers/net/tun.c
View file

@ -358,7 +358,7 @@ static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb)
rcu_read_lock();
numqueues = ACCESS_ONCE(tun->numqueues);
txq = skb_get_rxhash(skb);
txq = skb_get_hash(skb);
if (txq) {
e = tun_flow_find(&tun->flows[tun_hashfn(txq)], txq);
if (e)
@ -1146,7 +1146,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
skb_reset_network_header(skb);
skb_probe_transport_header(skb, 0);
rxhash = skb_get_rxhash(skb);
rxhash = skb_get_hash(skb);
netif_rx_ni(skb);
tun->dev->stats.rx_packets++;

2
drivers/net/vxlan.c
View file

@ -1405,7 +1405,7 @@ __be16 vxlan_src_port(__u16 port_min, __u16 port_max, struct sk_buff *skb)
unsigned int range = (port_max - port_min) + 1;
u32 hash;
hash = skb_get_rxhash(skb);
hash = skb_get_hash(skb);
if (!hash)
hash = jhash(skb->data, 2 * ETH_ALEN,
(__force u32) skb->protocol);

6
include/linux/skbuff.h
View file

@ -703,11 +703,11 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
unsigned int to, struct ts_config *config,
struct ts_state *state);
void __skb_get_rxhash(struct sk_buff *skb);
static inline __u32 skb_get_rxhash(struct sk_buff *skb)
void __skb_get_hash(struct sk_buff *skb);
static inline __u32 skb_get_hash(struct sk_buff *skb)
{
if (!skb->l4_rxhash)
__skb_get_rxhash(skb);
__skb_get_hash(skb);
return skb->rxhash;
}

4
net/core/dev.c
View file

@ -3006,7 +3006,7 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
}
skb_reset_network_header(skb);
if (!skb_get_rxhash(skb))
if (!skb_get_hash(skb))
goto done;
flow_table = rcu_dereference(rxqueue->rps_flow_table);
@ -3151,7 +3151,7 @@ static bool skb_flow_limit(struct sk_buff *skb, unsigned int qlen)
rcu_read_lock();
fl = rcu_dereference(sd->flow_limit);
if (fl) {
new_flow = skb_get_rxhash(skb) & (fl->num_buckets - 1);
new_flow = skb_get_hash(skb) & (fl->num_buckets - 1);
old_flow = fl->history[fl->history_head];
fl->history[fl->history_head] = new_flow;

6
net/core/flow_dissector.c
View file

@ -202,12 +202,12 @@ static __always_inline u32 __flow_hash_1word(u32 a)
}
/*
* __skb_get_rxhash: calculate a flow hash based on src/dst addresses
* __skb_get_hash: calculate a flow hash based on src/dst addresses
* and src/dst port numbers. Sets rxhash in skb to non-zero hash value
* on success, zero indicates no valid hash. Also, sets l4_rxhash in skb
* if hash is a canonical 4-tuple hash over transport ports.
*/
void __skb_get_rxhash(struct sk_buff *skb)
void __skb_get_hash(struct sk_buff *skb)
{
struct flow_keys keys;
u32 hash;
@ -234,7 +234,7 @@ void __skb_get_rxhash(struct sk_buff *skb)
skb->rxhash = hash;
}
EXPORT_SYMBOL(__skb_get_rxhash);
EXPORT_SYMBOL(__skb_get_hash);
/*
* Returns a Tx hash based on the given packet descriptor a Tx queues' number

4
net/packet/af_packet.c
View file

@ -963,7 +963,7 @@ static void prb_clear_blk_fill_status(struct packet_ring_buffer *rb)
static void prb_fill_rxhash(struct tpacket_kbdq_core *pkc,
struct tpacket3_hdr *ppd)
{
ppd->hv1.tp_rxhash = skb_get_rxhash(pkc->skb);
ppd->hv1.tp_rxhash = skb_get_hash(pkc->skb);
}
static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc,
@ -1295,7 +1295,7 @@ static int packet_rcv_fanout(struct sk_buff *skb, struct net_device *dev,
if (!skb)
return 0;
}
skb_get_rxhash(skb);
skb_get_hash(skb);
idx = fanout_demux_hash(f, skb, num);
break;
case PACKET_FANOUT_LB:

2
net/sched/cls_flow.c
View file

@ -220,7 +220,7 @@ static u32 flow_get_vlan_tag(const struct sk_buff *skb)
static u32 flow_get_rxhash(struct sk_buff *skb)
{
return skb_get_rxhash(skb);
return skb_get_hash(skb);
}
static u32 flow_key_get(struct sk_buff *skb, int key, struct flow_keys *flow)

2
net/sched/em_meta.c
View file

@ -222,7 +222,7 @@ META_COLLECTOR(int_maclen)
META_COLLECTOR(int_rxhash)
{
dst->value = skb_get_rxhash(skb);
dst->value = skb_get_hash(skb);
}
/**************************************************************************

2
net/sched/sch_fq.c
View file

@ -226,7 +226,7 @@ static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q)
/* By forcing low order bit to 1, we make sure to not
* collide with a local flow (socket pointers are word aligned)
*/
sk = (struct sock *)(skb_get_rxhash(skb) | 1L);
sk = (struct sock *)(skb_get_hash(skb) | 1L);
}
root = &q->fq_root[hash_32((u32)(long)sk, q->fq_trees_log)];