Execute some code via function pointers rathr than direct calls
(to allow customization in the hashing request)

Signed-off-by: Uri Simchoni <[email protected]>
---
diff -upr linux-2.6.32.8_p6/drivers/crypto/mv_cesa.c 
linux-2.6.32.8_p7/drivers/crypto/mv_cesa.c
--- linux-2.6.32.8_p6/drivers/crypto/mv_cesa.c  2010-03-16 11:51:56.372211208 
+0200
+++ linux-2.6.32.8_p7/drivers/crypto/mv_cesa.c  2010-03-16 12:07:31.147897717 
+0200
@@ -51,6 +51,8 @@ enum engine_status {
 struct req_progress {
        struct sg_mapping_iter src_sg_it;
        struct sg_mapping_iter dst_sg_it;
+       void (*complete) (void);
+       void (*process) (int is_first);
 
        /* src mostly */
        int sg_src_left;
@@ -251,6 +253,9 @@ static void mv_crypto_algo_completion(vo
        struct ablkcipher_request *req = ablkcipher_request_cast(cpg->cur_req);
        struct mv_req_ctx *req_ctx = ablkcipher_request_ctx(req);
 
+       sg_miter_stop(&cpg->p.src_sg_it);
+       sg_miter_stop(&cpg->p.dst_sg_it);
+
        if (req_ctx->op != COP_AES_CBC)
                return ;
 
@@ -294,11 +299,9 @@ static void dequeue_complete_req(void)
        if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {
                /* process next scatter list entry */
                cpg->eng_st = ENGINE_BUSY;
-               mv_process_current_q(0);
+               cpg->p.process(0);
        } else {
-               sg_miter_stop(&cpg->p.src_sg_it);
-               sg_miter_stop(&cpg->p.dst_sg_it);
-               mv_crypto_algo_completion();
+               cpg->p.complete();
                cpg->eng_st = ENGINE_IDLE;
                local_bh_disable();
                req->complete(req, 0);
@@ -331,6 +334,8 @@ static void mv_enqueue_new_req(struct ab
        cpg->cur_req = &req->base;
        memset(p, 0, sizeof(struct req_progress));
        p->hw_nbytes = req->nbytes;
+       p->complete = mv_crypto_algo_completion;
+       p->process = mv_process_current_q;
 
        num_sgs = count_sgs(req->src, req->nbytes);
        sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);


--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to