20 	pr_debug("%s: ctrl %d qid %d transaction %u expired, resetting\n",  in nvmet_auth_expired_work()
34 static u8 nvmet_auth_negotiate(struct nvmet_req *req, void *d)  in nvmet_auth_negotiate()  argument
37 	struct nvmf_auth_dhchap_negotiate_data *data = d;  in nvmet_auth_negotiate()
40 	pr_debug("%s: ctrl %d qid %d: data sc_d %d napd %d authid %d halen %d dhlen %d\n",  in nvmet_auth_negotiate()
88 			pr_debug("%s: ctrl %d qid %d: no usable hash found\n",  in nvmet_auth_negotiate()
92 		pr_debug("%s: ctrl %d qid %d: no usable hash found, falling back to %s\n",  in nvmet_auth_negotiate()
116 			pr_debug("%s: ctrl %d qid %d: no usable DH group found\n",  in nvmet_auth_negotiate()
120 		pr_debug("%s: ctrl %d qid %d: configured DH group %s not found\n",  in nvmet_auth_negotiate()
126 		pr_debug("%s: ctrl %d qid %d: NULL DH group invalid "  in nvmet_auth_negotiate()
131 	pr_debug("%s: ctrl %d qid %d: selected DH group %s (%d)\n",  in nvmet_auth_negotiate()
137 static u8 nvmet_auth_reply(struct nvmet_req *req, void *d)  in nvmet_auth_reply()  argument
140 	struct nvmf_auth_dhchap_reply_data *data = d;  in nvmet_auth_reply()
144 	pr_debug("%s: ctrl %d qid %d: data hl %d cvalid %d dhvlen %u\n",  in nvmet_auth_reply()
161 		pr_warn("ctrl %d qid %d no host key\n",  in nvmet_auth_reply()
167 		pr_debug("ctrl %d qid %d host hash failed\n",  in nvmet_auth_reply()
174 		pr_info("ctrl %d qid %d host response mismatch\n",  in nvmet_auth_reply()
176 		pr_debug("ctrl %d qid %d rval %*ph\n",  in nvmet_auth_reply()
178 		pr_debug("ctrl %d qid %d response %*ph\n",  in nvmet_auth_reply()
184 	pr_debug("%s: ctrl %d qid %d host authenticated\n",  in nvmet_auth_reply()
187 		pr_debug("%s: ctrl %d qid %d invalid challenge\n",  in nvmet_auth_reply()
198 		pr_debug("%s: ctrl %d qid %d challenge %*ph\n",  in nvmet_auth_reply()
222 static u8 nvmet_auth_failure2(void *d)  in nvmet_auth_failure2()  argument
224 	struct nvmf_auth_dhchap_failure_data *data = d;  in nvmet_auth_failure2()
238 	void *d;  in nvmet_execute_auth_send()  local
273 	d = kmalloc(tl, GFP_KERNEL);  in nvmet_execute_auth_send()
274 	if (!d) {  in nvmet_execute_auth_send()
279 	status = nvmet_copy_from_sgl(req, 0, d, tl);  in nvmet_execute_auth_send()
283 	data = d;  in nvmet_execute_auth_send()
284 	pr_debug("%s: ctrl %d qid %d type %d id %d step %x\n", __func__,  in nvmet_execute_auth_send()
293 			pr_debug("%s: ctrl %d qid %d reset negotiation\n",  in nvmet_execute_auth_send()
298 					pr_err("ctrl %d qid 0 failed to setup re-authentication\n",  in nvmet_execute_auth_send()
311 		dhchap_status = nvmet_auth_negotiate(req, d);  in nvmet_execute_auth_send()
323 		pr_debug("%s: ctrl %d qid %d step mismatch (%d != %d)\n",  in nvmet_execute_auth_send()
329 		pr_debug("%s: ctrl %d qid %d invalid transaction %d (expected %d)\n",  in nvmet_execute_auth_send()
342 		dhchap_status = nvmet_auth_reply(req, d);  in nvmet_execute_auth_send()
356 		pr_debug("%s: ctrl %d qid %d ctrl authenticated\n",  in nvmet_execute_auth_send()
360 		dhchap_status = nvmet_auth_failure2(d);  in nvmet_execute_auth_send()
362 			pr_warn("ctrl %d qid %d: authentication failed (%d)\n",  in nvmet_execute_auth_send()
381 	kfree(d);  in nvmet_execute_auth_send()
383 	pr_debug("%s: ctrl %d qid %d dhchap status %x step %x\n", __func__,  in nvmet_execute_auth_send()
387 		pr_debug("%s: ctrl %d qid %d nvme status %x error loc %d\n",  in nvmet_execute_auth_send()
407 static int nvmet_auth_challenge(struct nvmet_req *req, void *d, int al)  in nvmet_auth_challenge()  argument
409 	struct nvmf_auth_dhchap_challenge_data *data = d;  in nvmet_auth_challenge()
413 	int data_size = sizeof(*d) + hash_len;  in nvmet_auth_challenge()
418 		pr_debug("%s: buffer too small (al %d need %d)\n", __func__,  in nvmet_auth_challenge()
441 	pr_debug("%s: ctrl %d qid %d seq %d transaction %d hl %d dhvlen %zu\n",  in nvmet_auth_challenge()
447 static int nvmet_auth_success1(struct nvmet_req *req, void *d, int al)  in nvmet_auth_success1()  argument
449 	struct nvmf_auth_dhchap_success1_data *data = d;  in nvmet_auth_success1()
461 			pr_warn("ctrl %d qid %d no ctrl key\n",  in nvmet_auth_success1()
468 		pr_debug("ctrl %d qid %d response %*ph\n",  in nvmet_auth_success1()
474 static void nvmet_auth_failure1(struct nvmet_req *req, void *d, int al)  in nvmet_auth_failure1()  argument
476 	struct nvmf_auth_dhchap_failure_data *data = d;  in nvmet_auth_failure1()
494 	void *d;  in nvmet_execute_auth_receive()  local
528 	d = kmalloc(al, GFP_KERNEL);  in nvmet_execute_auth_receive()
529 	if (!d) {  in nvmet_execute_auth_receive()
533 	pr_debug("%s: ctrl %d qid %d step %x\n", __func__,  in nvmet_execute_auth_receive()
537 		if (nvmet_auth_challenge(req, d, al) < 0) {  in nvmet_execute_auth_receive()
538 			pr_warn("ctrl %d qid %d: challenge error (%d)\n",  in nvmet_execute_auth_receive()
546 		status = nvmet_auth_success1(req, d, al);  in nvmet_execute_auth_receive()
550 			nvmet_auth_failure1(req, d, al);  in nvmet_execute_auth_receive()
551 			pr_warn("ctrl %d qid %d: success1 status (%x)\n",  in nvmet_execute_auth_receive()
560 		nvmet_auth_failure1(req, d, al);  in nvmet_execute_auth_receive()
561 		pr_warn("ctrl %d qid %d failure1 (%x)\n",  in nvmet_execute_auth_receive()
565 		pr_warn("ctrl %d qid %d unhandled step (%d)\n",  in nvmet_execute_auth_receive()
569 		nvmet_auth_failure1(req, d, al);  in nvmet_execute_auth_receive()
574 	status = nvmet_copy_to_sgl(req, 0, d, al);  in nvmet_execute_auth_receive()
575 	kfree(d);  in nvmet_execute_auth_receive()