From patchwork Wed Nov 2 22:11:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Elder X-Patchwork-Id: 13029066 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33850C43217 for ; Wed, 2 Nov 2022 22:11:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231373AbiKBWLs (ORCPT ); Wed, 2 Nov 2022 18:11:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231377AbiKBWLq (ORCPT ); Wed, 2 Nov 2022 18:11:46 -0400 Received: from mail-io1-xd2a.google.com (mail-io1-xd2a.google.com [IPv6:2607:f8b0:4864:20::d2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE38DBC9E for ; Wed, 2 Nov 2022 15:11:44 -0700 (PDT) Received: by mail-io1-xd2a.google.com with SMTP id r81so7547565iod.2 for ; Wed, 02 Nov 2022 15:11:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=P4nuwgGkQOaib3BwT5hOD0oPhyITqBv+siRpxH4LVLA=; b=QWAql5sruNOYapQ8D3iedsH3hR0D8NvgG5miWD7mQ2egdNW9qeymNJSEPbNeqX8rtt PnEoUfiE2PNslqNekLVwrC7U3xCPwCeTTcCA4dlwffSIPNJSlWLtDj1Y84nf6kauIZ7c HzYyXPIiJ7ZTGRMmVnGVBwc/X/mIGvBlCy39CU0WVYa7PndE/GrfDU3ln3aSO/N6lpNR y2rzM8Pkpk0EbIO6LcEkqCcZWBWaO2lhhw6b9FVTMnQ/EphPsPTKhcOrH68qOQHwAmjG 7OkSn79SVka13cLXQrBGRXoHJCrnoLJjoTW2hwLna/uqV0gAS45MOFG9VjcQtcMzW3xx CNxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=P4nuwgGkQOaib3BwT5hOD0oPhyITqBv+siRpxH4LVLA=; b=d9KJ8s3NTmVL9VYzQPqk1kmOBPQkCsdp7swhBfy0sj1TLUBqUyLjphZAqma0YA9LDE SNVK5tyjugFCtp7xbMuT9rKzjesyEaalNaFsW3JlK086Ea+E9Yg42UTMwBzhq/4vF47+ v1AR32awE8EMfw8C8SdpiJBCJVBTndasSm6Y0sWTvpRP+zh/SLil/L4vsfkfBikROV+P 9M7GsMnxFtzIKOTfPXUqD3gvoMI6dKBx49FFmr4Gwpd0byizTva0rfMPeETatbkYbAQ6 +ZteUa66CPoM9pud9c8jJ9eRQP76rD1rk/q4dU0VN4+BSvBA/sBFj8zyuFmLiPDuk2PU OA2Q== X-Gm-Message-State: ACrzQf1TqaMc2BWF5CLaY1dwEBW//rALeLpeuDiEDnt6dVjQDbSj/Ksw gQFyPKm05tdgvNfeoQMkBlNX3g== X-Google-Smtp-Source: AMsMyM7FJU56e1gpPyVNrFfjvVxKPEZim8DHPH4XiYspfzma0k5BkqJ313w6+XHhnHkPzukAzOJduA== X-Received: by 2002:a05:6602:3420:b0:6ce:3066:181a with SMTP id n32-20020a056602342000b006ce3066181amr13433619ioz.98.1667427104655; Wed, 02 Nov 2022 15:11:44 -0700 (PDT) Received: from presto.localdomain ([98.61.227.136]) by smtp.gmail.com with ESMTPSA id f8-20020a02a108000000b0037465a1dd3fsm5073974jag.156.2022.11.02.15.11.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Nov 2022 15:11:44 -0700 (PDT) From: Alex Elder To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: mka@chromium.org, evgreen@chromium.org, andersson@kernel.org, quic_cpratapa@quicinc.com, quic_avuyyuru@quicinc.com, quic_jponduru@quicinc.com, quic_subashab@quicinc.com, elder@kernel.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 1/9] net: ipa: reduce arguments to ipa_table_init_add() Date: Wed, 2 Nov 2022 17:11:31 -0500 Message-Id: <20221102221139.1091510-2-elder@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221102221139.1091510-1-elder@linaro.org> References: <20221102221139.1091510-1-elder@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Recently ipa_table_mem() was added as a way to look up one of 8 possible memory regions by indicating whether it was a filter or route table, hashed or not, and IPv6 or not. We can simplify the interface to ipa_table_init_add() by passing two flags to it instead of the opcode and both hashed and non-hashed memory region IDs. The "filter" and "ipv6" flags are sufficient to determine the opcode to use, and with ipa_table_mem() can look up the correct memory region as well. It's possible to not have hashed tables, but we already verify the number of entries in a filter or routing table is nonzero. Stop assuming a hashed table entry exists in ipa_table_init_add(). Signed-off-by: Alex Elder --- drivers/net/ipa/ipa_table.c | 37 ++++++++++++++++++------------------- 1 file changed, 18 insertions(+), 19 deletions(-) diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index cf3a3de239dc3..94bb7611e574b 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -376,14 +376,12 @@ int ipa_table_hash_flush(struct ipa *ipa) return 0; } -static void ipa_table_init_add(struct gsi_trans *trans, bool filter, - enum ipa_cmd_opcode opcode, - enum ipa_mem_id mem_id, - enum ipa_mem_id hash_mem_id) +static void ipa_table_init_add(struct gsi_trans *trans, bool filter, bool ipv6) { struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); - const struct ipa_mem *hash_mem = ipa_mem_find(ipa, hash_mem_id); - const struct ipa_mem *mem = ipa_mem_find(ipa, mem_id); + const struct ipa_mem *hash_mem; + enum ipa_cmd_opcode opcode; + const struct ipa_mem *mem; dma_addr_t hash_addr; dma_addr_t addr; u32 zero_offset; @@ -393,6 +391,14 @@ static void ipa_table_init_add(struct gsi_trans *trans, bool filter, u16 count; u16 size; + opcode = filter ? ipv6 ? IPA_CMD_IP_V6_FILTER_INIT + : IPA_CMD_IP_V4_FILTER_INIT + : ipv6 ? IPA_CMD_IP_V6_ROUTING_INIT + : IPA_CMD_IP_V4_ROUTING_INIT; + + mem = ipa_table_mem(ipa, filter, false, ipv6); + hash_mem = ipa_table_mem(ipa, filter, true, ipv6); + /* Compute the number of table entries to initialize */ if (filter) { /* The number of filtering endpoints determines number of @@ -401,13 +407,13 @@ static void ipa_table_init_add(struct gsi_trans *trans, bool filter, * table is either the same as the non-hashed one, or zero. */ count = 1 + hweight32(ipa->filter_map); - hash_count = hash_mem->size ? count : 0; + hash_count = hash_mem && hash_mem->size ? count : 0; } else { /* The size of a route table region determines the number * of entries it has. */ count = mem->size / sizeof(__le64); - hash_count = hash_mem->size / sizeof(__le64); + hash_count = hash_mem && hash_mem->size / sizeof(__le64); } size = count * sizeof(__le64); hash_size = hash_count * sizeof(__le64); @@ -458,17 +464,10 @@ int ipa_table_setup(struct ipa *ipa) return -EBUSY; } - ipa_table_init_add(trans, false, IPA_CMD_IP_V4_ROUTING_INIT, - IPA_MEM_V4_ROUTE, IPA_MEM_V4_ROUTE_HASHED); - - ipa_table_init_add(trans, false, IPA_CMD_IP_V6_ROUTING_INIT, - IPA_MEM_V6_ROUTE, IPA_MEM_V6_ROUTE_HASHED); - - ipa_table_init_add(trans, true, IPA_CMD_IP_V4_FILTER_INIT, - IPA_MEM_V4_FILTER, IPA_MEM_V4_FILTER_HASHED); - - ipa_table_init_add(trans, true, IPA_CMD_IP_V6_FILTER_INIT, - IPA_MEM_V6_FILTER, IPA_MEM_V6_FILTER_HASHED); + ipa_table_init_add(trans, false, false); + ipa_table_init_add(trans, false, true); + ipa_table_init_add(trans, true, false); + ipa_table_init_add(trans, true, true); gsi_trans_commit_wait(trans);