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cxgb4/iw_cxgb4: Treat CPL_ERR_KEEPALV_NEG_ADVICE as negative advice

Telusuri Sumber 
Based on original work by Anand Priyadarshee <anandp@chelsio.com>.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steve Wise
2014-03-14 21:52:07 +05:30
committed by David S. Miller
orang tua 57a7744e09
melakukan 7a2cea2aaa
2 mengubah file dengan 13 tambahan dan 12 penghapusan
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24
drivers/infiniband/hw/cxgb4/cm.c
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@@ -1647,6 +1647,15 @@ static inline int act_open_has_tid(int status)
status != CPL_ERR_ARP_MISS;
}
/* Returns whether a CPL status conveys negative advice.
*/
static int is_neg_adv(unsigned int status)
{
return status == CPL_ERR_RTX_NEG_ADVICE ||
status == CPL_ERR_PERSIST_NEG_ADVICE ||
status == CPL_ERR_KEEPALV_NEG_ADVICE;
}
#define ACT_OPEN_RETRY_COUNT 2
static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip,
@@ -1835,7 +1844,7 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
PDBG("%s ep %p atid %u status %u errno %d\n", __func__, ep, atid,
status, status2errno(status));
if (status == CPL_ERR_RTX_NEG_ADVICE) {
if (is_neg_adv(status)) {
printk(KERN_WARNING MOD "Connection problems for atid %u\n",
atid);
return 0;
@@ -2265,15 +2274,6 @@ static int peer_close(struct c4iw_dev *dev, struct sk_buff *skb)
return 0;
}
/*
* Returns whether an ABORT_REQ_RSS message is a negative advice.
*/
static int is_neg_adv_abort(unsigned int status)
{
return status == CPL_ERR_RTX_NEG_ADVICE ||
status == CPL_ERR_PERSIST_NEG_ADVICE;
}
static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
{
struct cpl_abort_req_rss *req = cplhdr(skb);
@@ -2287,7 +2287,7 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
unsigned int tid = GET_TID(req);
ep = lookup_tid(t, tid);
if (is_neg_adv_abort(req->status)) {
if (is_neg_adv(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid);
return 0;
@@ -3570,7 +3570,7 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb)
kfree_skb(skb);
return 0;
}
if (is_neg_adv_abort(req->status)) {
if (is_neg_adv(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid);
kfree_skb(skb);