diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/skbuff.h | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 60b32151f76a..32635c401d4d 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h | |||
@@ -155,13 +155,20 @@ struct skb_shared_info { | |||
155 | #define SKB_DATAREF_SHIFT 16 | 155 | #define SKB_DATAREF_SHIFT 16 |
156 | #define SKB_DATAREF_MASK ((1 << SKB_DATAREF_SHIFT) - 1) | 156 | #define SKB_DATAREF_MASK ((1 << SKB_DATAREF_SHIFT) - 1) |
157 | 157 | ||
158 | extern struct timeval skb_tv_base; | ||
159 | |||
160 | struct skb_timeval { | ||
161 | u32 off_sec; | ||
162 | u32 off_usec; | ||
163 | }; | ||
164 | |||
158 | /** | 165 | /** |
159 | * struct sk_buff - socket buffer | 166 | * struct sk_buff - socket buffer |
160 | * @next: Next buffer in list | 167 | * @next: Next buffer in list |
161 | * @prev: Previous buffer in list | 168 | * @prev: Previous buffer in list |
162 | * @list: List we are on | 169 | * @list: List we are on |
163 | * @sk: Socket we are owned by | 170 | * @sk: Socket we are owned by |
164 | * @stamp: Time we arrived | 171 | * @tstamp: Time we arrived stored as offset to skb_tv_base |
165 | * @dev: Device we arrived on/are leaving by | 172 | * @dev: Device we arrived on/are leaving by |
166 | * @input_dev: Device we arrived on | 173 | * @input_dev: Device we arrived on |
167 | * @h: Transport layer header | 174 | * @h: Transport layer header |
@@ -202,7 +209,7 @@ struct sk_buff { | |||
202 | struct sk_buff *prev; | 209 | struct sk_buff *prev; |
203 | 210 | ||
204 | struct sock *sk; | 211 | struct sock *sk; |
205 | struct timeval stamp; | 212 | struct skb_timeval tstamp; |
206 | struct net_device *dev; | 213 | struct net_device *dev; |
207 | struct net_device *input_dev; | 214 | struct net_device *input_dev; |
208 | 215 | ||
@@ -1213,6 +1220,42 @@ static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, | |||
1213 | extern void skb_init(void); | 1220 | extern void skb_init(void); |
1214 | extern void skb_add_mtu(int mtu); | 1221 | extern void skb_add_mtu(int mtu); |
1215 | 1222 | ||
1223 | /** | ||
1224 | * skb_get_timestamp - get timestamp from a skb | ||
1225 | * @skb: skb to get stamp from | ||
1226 | * @stamp: pointer to struct timeval to store stamp in | ||
1227 | * | ||
1228 | * Timestamps are stored in the skb as offsets to a base timestamp. | ||
1229 | * This function converts the offset back to a struct timeval and stores | ||
1230 | * it in stamp. | ||
1231 | */ | ||
1232 | static inline void skb_get_timestamp(struct sk_buff *skb, struct timeval *stamp) | ||
1233 | { | ||
1234 | stamp->tv_sec = skb->tstamp.off_sec; | ||
1235 | stamp->tv_usec = skb->tstamp.off_usec; | ||
1236 | if (skb->tstamp.off_sec) { | ||
1237 | stamp->tv_sec += skb_tv_base.tv_sec; | ||
1238 | stamp->tv_usec += skb_tv_base.tv_usec; | ||
1239 | } | ||
1240 | } | ||
1241 | |||
1242 | /** | ||
1243 | * skb_set_timestamp - set timestamp of a skb | ||
1244 | * @skb: skb to set stamp of | ||
1245 | * @stamp: pointer to struct timeval to get stamp from | ||
1246 | * | ||
1247 | * Timestamps are stored in the skb as offsets to a base timestamp. | ||
1248 | * This function converts a struct timeval to an offset and stores | ||
1249 | * it in the skb. | ||
1250 | */ | ||
1251 | static inline void skb_set_timestamp(struct sk_buff *skb, struct timeval *stamp) | ||
1252 | { | ||
1253 | skb->tstamp.off_sec = stamp->tv_sec - skb_tv_base.tv_sec; | ||
1254 | skb->tstamp.off_usec = stamp->tv_usec - skb_tv_base.tv_usec; | ||
1255 | } | ||
1256 | |||
1257 | extern void __net_timestamp(struct sk_buff *skb); | ||
1258 | |||
1216 | #ifdef CONFIG_NETFILTER | 1259 | #ifdef CONFIG_NETFILTER |
1217 | static inline void nf_conntrack_put(struct nf_conntrack *nfct) | 1260 | static inline void nf_conntrack_put(struct nf_conntrack *nfct) |
1218 | { | 1261 | { |