spdm: Add support for large SPDM message transfer mechanism

l1k · l1k · commit 0883eec594a5 · 2025-02-12T08:18:09.000+01:00
Signed-off-by: Lukas Wunner &lt;lukas@wunner.de&gt;
diff --git a/lib/spdm/req-authenticate.c b/lib/spdm/req-authenticate.c
@@ -117,7 +117,7 @@ static int spdm_get_capabilities(struct spdm_state *spdm_state)
 		req_sz = sizeof(*req);
 		rsp_sz = sizeof(*rsp);
 		req->data_transfer_size = cpu_to_le32(spdm_state->transport_sz);
-		req->max_spdm_msg_size = cpu_to_le32(spdm_state->transport_sz);
+		req->max_spdm_msg_size = cpu_to_le32(UINT_MAX);
 	}
 
 	rsp = spdm_state->transcript_end += req_sz;

Original file line number	Diff line number	Diff line change
`@@ -117,7 +117,7 @@ static int spdm_get_capabilities(struct spdm_state *spdm_state)`
`117`	`117`	`req_sz = sizeof(*req);`
`118`	`118`	`rsp_sz = sizeof(*rsp);`
`119`	`119`	`req->data_transfer_size = cpu_to_le32(spdm_state->transport_sz);`
`120`		`- req->max_spdm_msg_size = cpu_to_le32(spdm_state->transport_sz);`
	`120`	`+ req->max_spdm_msg_size = cpu_to_le32(UINT_MAX);`
`121`	`121`	`}`
`122`	`122`
`123`	`123`	`rsp = spdm_state->transcript_end += req_sz;`