[SCSI] cxgb3i: remove use of skb->sp
The cxgb3i was using skb->sp pointer for some internal book-keeping which is not related to the secure path. Changed it to use skb->cb[] instead. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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73c3367403
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@ -496,7 +496,7 @@ static inline void reset_wr_list(struct s3_conn *c3cn)
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static inline void enqueue_wr(struct s3_conn *c3cn,
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struct sk_buff *skb)
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{
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skb->sp = NULL;
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skb_wr_data(skb) = NULL;
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/*
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* We want to take an extra reference since both us and the driver
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@ -509,7 +509,7 @@ static inline void enqueue_wr(struct s3_conn *c3cn,
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if (!c3cn->wr_pending_head)
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c3cn->wr_pending_head = skb;
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else
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c3cn->wr_pending_tail->sp = (void *)skb;
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skb_wr_data(skb) = skb;
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c3cn->wr_pending_tail = skb;
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}
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@ -529,8 +529,8 @@ static inline struct sk_buff *dequeue_wr(struct s3_conn *c3cn)
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if (likely(skb)) {
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/* Don't bother clearing the tail */
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c3cn->wr_pending_head = (struct sk_buff *)skb->sp;
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skb->sp = NULL;
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c3cn->wr_pending_head = skb_wr_data(skb);
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skb_wr_data(skb) = NULL;
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}
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return skb;
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}
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@ -180,7 +180,7 @@ void cxgb3i_c3cn_release(struct s3_conn *);
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* @seq: tcp sequence number
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* @ddigest: pdu data digest
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* @pdulen: recovered pdu length
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* @ulp_data: scratch area for ULP
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* @wr_data: scratch area for tx wr
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*/
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struct cxgb3_skb_cb {
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__u8 flags;
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@ -188,7 +188,7 @@ struct cxgb3_skb_cb {
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__u32 seq;
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__u32 ddigest;
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__u32 pdulen;
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__u8 ulp_data[16];
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struct sk_buff *wr_data;
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};
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#define CXGB3_SKB_CB(skb) ((struct cxgb3_skb_cb *)&((skb)->cb[0]))
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@ -196,7 +196,7 @@ struct cxgb3_skb_cb {
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#define skb_ulp_mode(skb) (CXGB3_SKB_CB(skb)->ulp_mode)
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#define skb_ulp_ddigest(skb) (CXGB3_SKB_CB(skb)->ddigest)
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#define skb_ulp_pdulen(skb) (CXGB3_SKB_CB(skb)->pdulen)
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#define skb_ulp_data(skb) (CXGB3_SKB_CB(skb)->ulp_data)
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#define skb_wr_data(skb) (CXGB3_SKB_CB(skb)->wr_data)
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enum c3cb_flags {
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C3CB_FLAG_NEED_HDR = 1 << 0, /* packet needs a TX_DATA_WR header */
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