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authorDavid S. Miller <davem@davemloft.net>2012-05-16 22:17:37 -0400
committerDavid S. Miller <davem@davemloft.net>2012-05-16 22:17:37 -0400
commit028940342a906db8da014a7603a0deddc2c323dd (patch)
tree688dbc38a3e218f2493d311b1d70a67668837347 /include/linux
parentbe3eed2e96340d3c7a4d1ea1d63e7bd6095d1e34 (diff)
parent0e93b4b304ae052ba1bc73f6d34a68556fe93429 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netdevice.h9
-rw-r--r--include/linux/netfilter/ipset/ip_set_ahash.h16
-rw-r--r--include/linux/seqlock.h23
-rw-r--r--include/linux/usb/usbnet.h3
4 files changed, 40 insertions, 11 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7f377fb8b527..b0f6f22723c3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1426,15 +1426,6 @@ static inline bool netdev_uses_dsa_tags(struct net_device *dev)
1426 return 0; 1426 return 0;
1427} 1427}
1428 1428
1429#ifndef CONFIG_NET_NS
1430static inline void skb_set_dev(struct sk_buff *skb, struct net_device *dev)
1431{
1432 skb->dev = dev;
1433}
1434#else /* CONFIG_NET_NS */
1435void skb_set_dev(struct sk_buff *skb, struct net_device *dev);
1436#endif
1437
1438static inline bool netdev_uses_trailer_tags(struct net_device *dev) 1429static inline bool netdev_uses_trailer_tags(struct net_device *dev)
1439{ 1430{
1440#ifdef CONFIG_NET_DSA_TAG_TRAILER 1431#ifdef CONFIG_NET_DSA_TAG_TRAILER
diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h
index 289b62d9dd1f..b114d35aea5e 100644
--- a/include/linux/netfilter/ipset/ip_set_ahash.h
+++ b/include/linux/netfilter/ipset/ip_set_ahash.h
@@ -99,6 +99,22 @@ struct ip_set_hash {
99#endif 99#endif
100}; 100};
101 101
102static size_t
103htable_size(u8 hbits)
104{
105 size_t hsize;
106
107 /* We must fit both into u32 in jhash and size_t */
108 if (hbits > 31)
109 return 0;
110 hsize = jhash_size(hbits);
111 if ((((size_t)-1) - sizeof(struct htable))/sizeof(struct hbucket)
112 < hsize)
113 return 0;
114
115 return hsize * sizeof(struct hbucket) + sizeof(struct htable);
116}
117
102/* Compute htable_bits from the user input parameter hashsize */ 118/* Compute htable_bits from the user input parameter hashsize */
103static u8 119static u8
104htable_bits(u32 hashsize) 120htable_bits(u32 hashsize)
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index c6db9fb33c44..600060e25ec6 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -141,7 +141,7 @@ static inline unsigned __read_seqcount_begin(const seqcount_t *s)
141 unsigned ret; 141 unsigned ret;
142 142
143repeat: 143repeat:
144 ret = s->sequence; 144 ret = ACCESS_ONCE(s->sequence);
145 if (unlikely(ret & 1)) { 145 if (unlikely(ret & 1)) {
146 cpu_relax(); 146 cpu_relax();
147 goto repeat; 147 goto repeat;
@@ -166,6 +166,27 @@ static inline unsigned read_seqcount_begin(const seqcount_t *s)
166} 166}
167 167
168/** 168/**
169 * raw_seqcount_begin - begin a seq-read critical section
170 * @s: pointer to seqcount_t
171 * Returns: count to be passed to read_seqcount_retry
172 *
173 * raw_seqcount_begin opens a read critical section of the given seqcount.
174 * Validity of the critical section is tested by checking read_seqcount_retry
175 * function.
176 *
177 * Unlike read_seqcount_begin(), this function will not wait for the count
178 * to stabilize. If a writer is active when we begin, we will fail the
179 * read_seqcount_retry() instead of stabilizing at the beginning of the
180 * critical section.
181 */
182static inline unsigned raw_seqcount_begin(const seqcount_t *s)
183{
184 unsigned ret = ACCESS_ONCE(s->sequence);
185 smp_rmb();
186 return ret & ~1;
187}
188
189/**
169 * __read_seqcount_retry - end a seq-read critical section (without barrier) 190 * __read_seqcount_retry - end a seq-read critical section (without barrier)
170 * @s: pointer to seqcount_t 191 * @s: pointer to seqcount_t
171 * @start: count, from read_seqcount_begin 192 * @start: count, from read_seqcount_begin
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 605b0aa8d852..76f439647c4b 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -191,7 +191,8 @@ extern void usbnet_cdc_status(struct usbnet *, struct urb *);
191enum skb_state { 191enum skb_state {
192 illegal = 0, 192 illegal = 0,
193 tx_start, tx_done, 193 tx_start, tx_done,
194 rx_start, rx_done, rx_cleanup 194 rx_start, rx_done, rx_cleanup,
195 unlink_start
195}; 196};
196 197
197struct skb_data { /* skb->cb is one of these */ 198struct skb_data { /* skb->cb is one of these */