50 	struct sk_buff *skb;  in __nfp_ccm_reply()  local
52 	skb_queue_walk(&ccm->replies, skb) {  in __nfp_ccm_reply()
53 		msg_tag = nfp_ccm_get_tag(skb);  in __nfp_ccm_reply()
56 			__skb_unlink(skb, &ccm->replies);  in __nfp_ccm_reply()
57 			return skb;  in __nfp_ccm_reply()
67 	struct sk_buff *skb;  in nfp_ccm_reply()  local
70 	skb = __nfp_ccm_reply(ccm, tag);  in nfp_ccm_reply()
73 	return skb;  in nfp_ccm_reply()
79 	struct sk_buff *skb;  in nfp_ccm_reply_drop_tag()  local
82 	skb = __nfp_ccm_reply(ccm, tag);  in nfp_ccm_reply_drop_tag()
83 	if (!skb)  in nfp_ccm_reply_drop_tag()
87 	return skb;  in nfp_ccm_reply_drop_tag()
94 	struct sk_buff *skb;  in nfp_ccm_wait_reply()  local
99 		skb = nfp_ccm_reply(ccm, app, tag);  in nfp_ccm_wait_reply()
100 		if (skb)  in nfp_ccm_wait_reply()
101 			return skb;  in nfp_ccm_wait_reply()
105 					       skb = nfp_ccm_reply(ccm, app,  in nfp_ccm_wait_reply()
111 	if (!skb)  in nfp_ccm_wait_reply()
112 		skb = nfp_ccm_reply_drop_tag(ccm, app, tag);  in nfp_ccm_wait_reply()
119 	if (!skb) {  in nfp_ccm_wait_reply()
124 	return skb;  in nfp_ccm_wait_reply()
128 nfp_ccm_communicate(struct nfp_ccm *ccm, struct sk_buff *skb,  in nfp_ccm_communicate()  argument
139 		dev_kfree_skb_any(skb);  in nfp_ccm_communicate()
143 	hdr = (void *)skb->data;  in nfp_ccm_communicate()
148 	__nfp_app_ctrl_tx(app, skb);  in nfp_ccm_communicate()
152 	skb = nfp_ccm_wait_reply(ccm, app, type, tag);  in nfp_ccm_communicate()
153 	if (IS_ERR(skb))  in nfp_ccm_communicate()
154 		return skb;  in nfp_ccm_communicate()
156 	reply_type = nfp_ccm_get_type(skb);  in nfp_ccm_communicate()
163 	if (reply_size && skb->len != reply_size) {  in nfp_ccm_communicate()
165 			 type, skb->len, reply_size);  in nfp_ccm_communicate()
169 	return skb;  in nfp_ccm_communicate()
171 	dev_kfree_skb_any(skb);  in nfp_ccm_communicate()
175 void nfp_ccm_rx(struct nfp_ccm *ccm, struct sk_buff *skb)  in nfp_ccm_rx()  argument
180 	if (unlikely(skb->len < sizeof(struct nfp_ccm_hdr))) {  in nfp_ccm_rx()
181 		ccm_warn(app, "cmsg drop - too short %d!\n", skb->len);  in nfp_ccm_rx()
187 	tag = nfp_ccm_get_tag(skb);  in nfp_ccm_rx()
194 	__skb_queue_tail(&ccm->replies, skb);  in nfp_ccm_rx()
203 	dev_kfree_skb_any(skb);  in nfp_ccm_rx()