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Commit 64bec74a authored by Hariprasad S's avatar Hariprasad S Committed by Doug Ledford
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RDMA/iw_cxgb4: Add arp failure handlers to send_mpa_reply/reject() 



These handlers when called print error message to the kernel log,
but the actual handling is done by _c4iw_free_ep() and process_timeout().

Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 093108cb

drivers/infiniband/hw/cxgb4/cm.c

+7 −0
Original line number Diff line number Diff line
@@ -515,6 +515,11 @@ static void arp_failure_discard(void *handle, struct sk_buff *skb) 
	kfree_skb(skb);

}



static void mpa_start_arp_failure(void *handle, struct sk_buff *skb)

{

	pr_err("ARP failure during MPA Negotiation - Closing Connection\n");

}



enum {

	NUM_FAKE_CPLS = 2,

	FAKE_CPL_PUT_EP_SAFE = NUM_CPL_CMDS + 0,
@@ -1118,6 +1123,7 @@ static int send_mpa_reject(struct c4iw_ep *ep, const void *pdata, u8 plen) 
	 */

	skb_get(skb);

	set_wr_txq(skb, CPL_PRIORITY_DATA, ep->txq_idx);

	t4_set_arp_err_handler(skb, NULL, mpa_start_arp_failure);

	BUG_ON(ep->mpa_skb);

	ep->mpa_skb = skb;

	ep->snd_seq += mpalen;
@@ -1202,6 +1208,7 @@ static int send_mpa_reply(struct c4iw_ep *ep, const void *pdata, u8 plen) 
	 * Function fw4_ack() will deref it.

	 */

	skb_get(skb);

	t4_set_arp_err_handler(skb, NULL, mpa_start_arp_failure);

	ep->mpa_skb = skb;

	__state_set(&ep->com, MPA_REP_SENT);

	ep->snd_seq += mpalen;