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brcm80211: util: use sk_buff_head in precedence queue functions

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Instead of dealing with sk_buff prev pointers the queue functions
now make use of the sk_buff_head functions provided by the kernel.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2011-11-10 20:30:27 +01:00 • committed by John W. Linville
commit ad3b8b3918
2 changed files with 39 additions and 98 deletions
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16
drivers/net/wireless/brcm80211/include/brcmu_utils.h
View file

@ -65,9 +65,7 @@
#define ETHER_ADDR_STR_LEN 18
struct pktq_prec {
struct sk_buff *head; /* first packet to dequeue */
struct sk_buff *tail; /* last packet to dequeue */
u16 len; /* number of queued packets */
struct sk_buff_head skblist;
u16 max; /* maximum number of queued packets */
};
@ -88,32 +86,32 @@ struct pktq {
static inline int pktq_plen(struct pktq *pq, int prec)
{
return pq->q[prec].len;
return pq->q[prec].skblist.qlen;
}
static inline int pktq_pavail(struct pktq *pq, int prec)
{
return pq->q[prec].max - pq->q[prec].len;
return pq->q[prec].max - pq->q[prec].skblist.qlen;
}
static inline bool pktq_pfull(struct pktq *pq, int prec)
{
return pq->q[prec].len >= pq->q[prec].max;
return pq->q[prec].skblist.qlen >= pq->q[prec].max;
}
static inline bool pktq_pempty(struct pktq *pq, int prec)
{
return pq->q[prec].len == 0;
return skb_queue_empty(&pq->q[prec].skblist);
}
static inline struct sk_buff *pktq_ppeek(struct pktq *pq, int prec)
{
return pq->q[prec].head;
return skb_peek(&pq->q[prec].skblist);
}
static inline struct sk_buff *pktq_ppeek_tail(struct pktq *pq, int prec)
{
return pq->q[prec].tail;
return skb_peek_tail(&pq->q[prec].skblist);
}
extern struct sk_buff *brcmu_pktq_penq(struct pktq *pq, int prec,