21 	skb_reset_tail_pointer(&pkt->skb); \
37 	struct sk_buff skb;  member
48 	return (struct cfpkt_priv_data *) pkt->skb.cb;  in cfpkt_priv()
58 	return &pkt->skb;  in pkt_to_skb()
61 static inline struct cfpkt *skb_to_pkt(struct sk_buff *skb)  in skb_to_pkt()  argument
63 	return (struct cfpkt *) skb;  in skb_to_pkt()
82 	struct sk_buff *skb;  in cfpkt_create_pfx()  local
85 		skb = alloc_skb(len + pfx, GFP_ATOMIC);  in cfpkt_create_pfx()
87 		skb = alloc_skb(len + pfx, GFP_KERNEL);  in cfpkt_create_pfx()
89 	if (unlikely(skb == NULL))  in cfpkt_create_pfx()
92 	skb_reserve(skb, pfx);  in cfpkt_create_pfx()
93 	return skb_to_pkt(skb);  in cfpkt_create_pfx()
103 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_destroy()  local
104 	kfree_skb(skb);  in cfpkt_destroy()
109 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_more()  local
110 	return skb->len > 0;  in cfpkt_more()
115 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_peek_head()  local
116 	if (skb_headlen(skb) >= len) {  in cfpkt_peek_head()
117 		memcpy(data, skb->data, len);  in cfpkt_peek_head()
126 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_extr_head()  local
131 	if (unlikely(len > skb->len)) {  in cfpkt_extr_head()
136 	if (unlikely(len > skb_headlen(skb))) {  in cfpkt_extr_head()
137 		if (unlikely(skb_linearize(skb) != 0)) {  in cfpkt_extr_head()
142 	from = skb_pull(skb, len);  in cfpkt_extr_head()
152 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_extr_trail()  local
158 	if (unlikely(skb_linearize(skb) != 0)) {  in cfpkt_extr_trail()
162 	if (unlikely(skb->data + len > skb_tail_pointer(skb))) {  in cfpkt_extr_trail()
166 	from = skb_tail_pointer(skb) - len;  in cfpkt_extr_trail()
167 	skb_trim(skb, skb->len - len);  in cfpkt_extr_trail()
179 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_add_body()  local
188 	lastskb = skb;  in cfpkt_add_body()
191 	if (unlikely(skb_tailroom(skb) < len)) {  in cfpkt_add_body()
199 	if (unlikely((addlen > 0) || skb_cloned(skb) || skb_shared(skb))) {  in cfpkt_add_body()
202 		if (unlikely(skb_cow_data(skb, addlen, &lastskb) < 0)) {  in cfpkt_add_body()
209 	to = pskb_put(skb, lastskb, len);  in cfpkt_add_body()
222 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_add_head()  local
229 	if (unlikely(skb_headroom(skb) < len)) {  in cfpkt_add_head()
235 	ret = skb_cow_data(skb, 0, &lastskb);  in cfpkt_add_head()
241 	to = skb_push(skb, len);  in cfpkt_add_head()
254 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_getlen()  local
255 	return skb->len;  in cfpkt_getlen()
268 	if (unlikely(skb_linearize(&pkt->skb) != 0)) {  in cfpkt_iterate()
272 	return iter_func(data, pkt->skb.data, cfpkt_getlen(pkt));  in cfpkt_iterate()
277 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_setlen()  local
283 	if (likely(len <= skb->len)) {  in cfpkt_setlen()
284 		if (unlikely(skb->data_len))  in cfpkt_setlen()
285 			___pskb_trim(skb, len);  in cfpkt_setlen()
287 			skb_trim(skb, len);  in cfpkt_setlen()
293 	if (unlikely(!cfpkt_pad_trail(pkt, len - skb->len)))  in cfpkt_setlen()
343 	struct sk_buff *skb = pkt_to_skb(pkt);  in cfpkt_split()  local
345 	u8 *split = skb->data + pos;  in cfpkt_split()
346 	u16 len2nd = skb_tail_pointer(skb) - split;  in cfpkt_split()
351 	if (skb->data + pos > skb_tail_pointer(skb)) {  in cfpkt_split()
368 	skb_set_tail_pointer(skb, pos);  in cfpkt_split()
369 	skb->len = pos;  in cfpkt_split()
374 	skb2->priority = skb->priority;  in cfpkt_split()