On Tue, 29 Oct 2024 09:27:38 +0530 Linu Cherian wrote:
> + struct npc_install_flow_rsp rsp = { 0 };
@rsp is reused in the loop, either it doesn't have to be inited at all,
or it has to be inited before every use
> + struct npc_mcam *mcam = &rvu->hw->mcam;
> + struct rvu_npc_mcam_rule *rule;
> + int blkaddr;
> +
> + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
> + if (blkaddr < 0)
> + return -EINVAL;
> +
> + mutex_lock(&mcam->lock);
> + list_for_each_entry(rule, &mcam->mcam_rules, list) {
> + if (!is_mcam_entry_enabled(rvu, mcam, blkaddr, rule->entry))
> + continue;
> + if (!rule->default_rule)
> + continue;
> + if (enable && !rule->has_cntr) { /* Alloc and map new counter */
> + __rvu_mcam_add_counter_to_rule(rvu, rule->owner,
> + rule, &rsp);
> + if (rsp.counter < 0) {
> + dev_err(rvu->dev, "%s: Err to allocate cntr for default rule (err=%d)\n",
> + __func__, rsp.counter);
> + break;
shouldn't you "unwind" in this case? We'll leave the counter enabled
for some rules and disabled for others
> + }
> + npc_map_mcam_entry_and_cntr(rvu, mcam, blkaddr,
> + rule->entry, rsp.counter);
> + }
> +
> + if (enable && rule->has_cntr) /* Reset counter before use */ {
> + rvu_write64(rvu, blkaddr,
> + NPC_AF_MATCH_STATX(rule->cntr), 0x0);
> + continue;
so setting to enabled while already enabled resets the value?
If so that's neither documented, nor.. usual.
> + }
> +
> + if (!enable && rule->has_cntr) /* Free and unmap counter */ {
> + __rvu_mcam_remove_counter_from_rule(rvu, rule->owner,
> + rule);
> + }
unnecesary parenthesis
> + }
--
pw-bot: cr
