From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 48C2EA0C50; Mon, 12 Jul 2021 09:43:51 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A001541193; Mon, 12 Jul 2021 09:43:42 +0200 (CEST) Received: from relay.smtp-ext.broadcom.com (lpdvacalvio01.broadcom.com [192.19.166.228]) by mails.dpdk.org (Postfix) with ESMTP id 70B0F41180 for ; Mon, 12 Jul 2021 09:43:38 +0200 (CEST) Received: from dhcp-10-123-153-22.dhcp.broadcom.net (bgccx-dev-host-lnx2.bec.broadcom.net [10.123.153.22]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id F3ED080C2; Mon, 12 Jul 2021 06:14:03 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com F3ED080C2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1626095644; bh=cGfIi0o4CYAeMUW/0ABkT7Eb4N4KuzWX1P2Q42zeXHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HN5H7MpJZ0S2hHf/Ru/ZyvVnfctUvLpo+Nh+0S2qPqKlVo/Rn/frG3Vl4lrABUMZ5 2DJAFKHfAGkHwGz+cP6X+8aOqqLDgecw3LykwyErxJ7Blvf2KXCa9xEjD2wBmHkEld W9yHGXIdVXVcekZDimPN/YOLbSSudZP7oWxHY2LM= From: Kalesh A P To: dev@dpdk.org Cc: ajit.khaparde@broadcom.com Date: Mon, 12 Jul 2021 13:34:33 +0530 Message-Id: <20210712080435.9149-3-kalesh-anakkur.purayil@broadcom.com> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20210712080435.9149-1-kalesh-anakkur.purayil@broadcom.com> References: <20210712080435.9149-1-kalesh-anakkur.purayil@broadcom.com> Subject: [dpdk-dev] [PATCH 2/4] net/bnxt: inform firmware about host MTU X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Kalesh AP This enables device firmware to respond appropriately to BMC queries about the driver's configured MTU. Signed-off-by: Kalesh AP Reviewed-by: Ajit Khaparde Reviewed-by: Lance Richardson --- drivers/net/bnxt/bnxt_ethdev.c | 3 +++ drivers/net/bnxt/bnxt_hwrm.c | 24 ++++++++++++++++++++++++ drivers/net/bnxt/bnxt_hwrm.h | 1 + 3 files changed, 28 insertions(+) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index ed09f1b..7147f17 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -3067,6 +3067,9 @@ int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu) if (!rc) eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_pkt_size; + if (bnxt_hwrm_config_host_mtu(bp)) + PMD_DRV_LOG(WARNING, "Failed to configure host MTU\n"); + PMD_DRV_LOG(INFO, "New MTU is %d\n", new_mtu); return rc; diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index 0568476..d583839 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -3469,6 +3469,7 @@ static int bnxt_hwrm_pf_func_cfg(struct bnxt *bp, int rc; enables = HWRM_FUNC_CFG_INPUT_ENABLES_ADMIN_MTU | + HWRM_FUNC_CFG_INPUT_ENABLES_HOST_MTU | HWRM_FUNC_CFG_INPUT_ENABLES_MRU | HWRM_FUNC_CFG_INPUT_ENABLES_NUM_RSSCOS_CTXS | HWRM_FUNC_CFG_INPUT_ENABLES_NUM_STAT_CTXS | @@ -3489,6 +3490,7 @@ static int bnxt_hwrm_pf_func_cfg(struct bnxt *bp, req.flags = rte_cpu_to_le_32(bp->pf->func_cfg_flags); req.admin_mtu = rte_cpu_to_le_16(BNXT_MAX_MTU); + req.host_mtu = rte_cpu_to_le_16(bp->eth_dev->data->mtu); req.mru = rte_cpu_to_le_16(BNXT_VNIC_MRU(bp->eth_dev->data->mtu)); req.num_rsscos_ctxs = rte_cpu_to_le_16(pf_resc->num_rsscos_ctxs); req.num_stat_ctxs = rte_cpu_to_le_16(pf_resc->num_stat_ctxs); @@ -6203,3 +6205,25 @@ void bnxt_free_hwrm_tx_ring(struct bnxt *bp, int queue_index) bnxt_free_cp_ring(bp, cpr); } + +int bnxt_hwrm_config_host_mtu(struct bnxt *bp) +{ + struct hwrm_func_cfg_input req = {0}; + struct hwrm_func_cfg_output *resp = bp->hwrm_cmd_resp_addr; + int rc; + + if (!BNXT_PF(bp)) + return 0; + + HWRM_PREP(&req, HWRM_FUNC_CFG, BNXT_USE_CHIMP_MB); + + req.fid = rte_cpu_to_le_16(0xffff); + req.enables = rte_cpu_to_le_32(HWRM_FUNC_CFG_INPUT_ENABLES_HOST_MTU); + req.host_mtu = rte_cpu_to_le_16(bp->eth_dev->data->mtu); + + rc = bnxt_hwrm_send_message(bp, &req, sizeof(req), BNXT_USE_CHIMP_MB); + HWRM_CHECK_RESULT(); + HWRM_UNLOCK(); + + return rc; +} diff --git a/drivers/net/bnxt/bnxt_hwrm.h b/drivers/net/bnxt/bnxt_hwrm.h index ec3414f..80e3128 100644 --- a/drivers/net/bnxt/bnxt_hwrm.h +++ b/drivers/net/bnxt/bnxt_hwrm.h @@ -307,4 +307,5 @@ int bnxt_hwrm_read_sfp_module_eeprom_info(struct bnxt *bp, uint16_t i2c_addr, int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp, struct bnxt_cp_ring_info *cpr); void bnxt_free_hwrm_tx_ring(struct bnxt *bp, int queue_index); int bnxt_alloc_hwrm_tx_ring(struct bnxt *bp, int queue_index); +int bnxt_hwrm_config_host_mtu(struct bnxt *bp); #endif -- 2.10.1