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[144.49.247.17]) by smtp-relay.gmail.com with ESMTPS id 006d021491bc7-662f9a2269esm170669eaf.10.2026.01.30.08.49.13 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Jan 2026 08:49:13 -0800 (PST) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-2a755a780caso23207645ad.0 for ; Fri, 30 Jan 2026 08:49:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1769791752; x=1770396552; darn=vger.kernel.org; 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=n3x0K0XWcZUyj9kY6k6s8ToNxhMeCFsexjQ7sigdc0Q=; b=Ug+Ks+umrA9EqMYSDRvgyMc9IXnTUViaoAsb5YnyNqK2xNQOeG/Uz5zZbH62+vTcDI B7XXD9PHdeFHVK5/YHbFxrYeVA3I1BcLETNtgytN6CTc0LgqFM+9u2P473FKQWExDtdX rap//J8rkYx/YUxTXx8JIdmxaFXuxqGHkrBvg= X-Received: by 2002:a17:902:f712:b0:2a8:ec3c:f326 with SMTP id d9443c01a7336-2a8ec3cf4a9mr8485795ad.21.1769791752589; Fri, 30 Jan 2026 08:49:12 -0800 (PST) X-Received: by 2002:a17:902:f712:b0:2a8:ec3c:f326 with SMTP id d9443c01a7336-2a8ec3cf4a9mr8485615ad.21.1769791752157; Fri, 30 Jan 2026 08:49:12 -0800 (PST) Received: from PC-MID-R740.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a88b5d9a7bsm80193085ad.79.2026.01.30.08.49.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jan 2026 08:49:11 -0800 (PST) From: Pavan Chebbi To: jgg@ziepe.ca, michael.chan@broadcom.com Cc: linux-kernel@vger.kernel.org, dave.jiang@intel.com, saeedm@nvidia.com, Jonathan.Cameron@huawei.com, gospo@broadcom.com, selvin.xavier@broadcom.com, leon@kernel.org, kalesh-anakkur.purayil@broadcom.com, Pavan Chebbi Subject: [PATCH v4 fwctl 3/5] fwctl/bnxt_en: Create an aux device for fwctl Date: Fri, 30 Jan 2026 08:41:44 -0800 Message-Id: <20260130164146.3752166-4-pavan.chebbi@broadcom.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20260130164146.3752166-1-pavan.chebbi@broadcom.com> References: <20260130164146.3752166-1-pavan.chebbi@broadcom.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e Content-Type: text/plain; charset="utf-8" Create an additional auxiliary device to support fwctl. The next patch will create bnxt_fwctl and bind to this device. Reviewed-by: Andy Gospodarek Signed-off-by: Pavan Chebbi --- drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 12 ++++++++++-- include/linux/bnxt/ulp.h | 1 + 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/et= hernet/broadcom/bnxt/bnxt_ulp.c index d05a1c62fd0b..9eaf01177efb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c @@ -50,6 +50,8 @@ static bool bnxt_auxdev_is_active(struct bnxt *bp, int id= x) =20 static struct bnxt_aux_device bnxt_aux_devices[__BNXT_AUXDEV_MAX] =3D {{ .name =3D "rdma", +}, { + .name =3D "fwctl", }}; =20 static void bnxt_fill_msix_vecs(struct bnxt *bp, struct bnxt_msix_entry *e= nt) @@ -278,6 +280,11 @@ void bnxt_ulp_stop(struct bnxt *bp) aux_priv =3D bp->aux_priv[i]; edev =3D bp->edev[i]; mutex_lock(&edev->en_dev_lock); + if (i =3D=3D BNXT_AUXDEV_FWCTL) { + edev->flags |=3D BNXT_EN_FLAG_ULP_STOPPED; + mutex_unlock(&edev->en_dev_lock); + continue; + } if (!bnxt_ulp_registered(edev) || (edev->flags & BNXT_EN_FLAG_ULP_STOPPED)) { mutex_unlock(&edev->en_dev_lock); @@ -316,7 +323,7 @@ void bnxt_ulp_start(struct bnxt *bp) aux_priv =3D bp->aux_priv[i]; edev =3D bp->edev[i]; mutex_lock(&edev->en_dev_lock); - if (!bnxt_ulp_registered(edev) || + if (i =3D=3D BNXT_AUXDEV_FWCTL || !bnxt_ulp_registered(edev) || !(edev->flags & BNXT_EN_FLAG_ULP_STOPPED)) { goto clear_flag_continue; } @@ -521,7 +528,8 @@ void bnxt_aux_devices_add(struct bnxt *bp) aux_dev =3D &bp->aux_priv[idx]->aux_dev; rc =3D auxiliary_device_add(aux_dev); if (rc) { - netdev_warn(bp->dev, "Failed to add auxiliary device for ROCE\n"); + netdev_warn(bp->dev, "Failed to add auxiliary device for auxdev type %= d\n", + idx); auxiliary_device_uninit(aux_dev); if (idx =3D=3D BNXT_AUXDEV_RDMA) bp->flags &=3D ~BNXT_FLAG_ROCE_CAP; diff --git a/include/linux/bnxt/ulp.h b/include/linux/bnxt/ulp.h index 1a4643c46f86..0851ad3394b0 100644 --- a/include/linux/bnxt/ulp.h +++ b/include/linux/bnxt/ulp.h @@ -24,6 +24,7 @@ struct bnxt; =20 enum bnxt_auxdev_type { BNXT_AUXDEV_RDMA =3D 0, + BNXT_AUXDEV_FWCTL, __BNXT_AUXDEV_MAX }; =20 --=20 2.39.1