From nobody Sun Sep 27 02:01:45 2026 Received: from mail-4322.protonmail.ch (mail-4322.protonmail.ch [185.70.43.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1657492E2E; Wed, 9 Sep 2026 03:07:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.70.43.22 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788923244; cv=none; b=ELWU18SRBOEzuisWRh9MZBOZrGvnIHUVBCdGIbDSXGKUJZJ4Wk9HQR+MGFDZtEfFQatl8Z/4V0mMgmqgG39RLES2pDBSaEMpkJZjPhcS13ARb7J7mKRNnacQaW6blhvskRmaZVeeKjlUWKteu1d4EvqRrwi6NS6BJhVrfoglf9M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788923244; c=relaxed/simple; bh=tTl3ytbz+FbDgxH1UCG3yD1IJ7x5IKTL+TqRYjwXgko=; h=Date:To:From:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=VHGVMjD8+4j7wQJSDFfoCYCob5Wprbd7ih5rJIuVlWbBgNwX7i+Jf0ct73ownk5yel1SvcsymVIiV+KCo1WE0SEabWreBBSkvYCRMt1YtQTa8WYoJyIsaE1kztlZGssrlleiPeZUgVVWS8VC7ian9xtJU3VU6wEmqoz9VDbpbA8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=proton.me; spf=pass smtp.mailfrom=proton.me; dkim=pass (2048-bit key) header.d=proton.me header.i=@proton.me header.b=T7255cD1; arc=none smtp.client-ip=185.70.43.22 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=proton.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=proton.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=proton.me header.i=@proton.me header.b="T7255cD1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=protonmail; t=1788923232; x=1789182432; bh=tTl3ytbz+FbDgxH1UCG3yD1IJ7x5IKTL+TqRYjwXgko=; h=Date:To:From:Cc:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=T7255cD1xoMq4CMygasGjXkrkOO/KryOaM7m5xeMKdBoYQ9Bh/uYyun985Ig6zjRA rcyULcA6tPMNeiScgpgfMNQm/oAOyXRrKYI5bxO/Eaiedbienz22NbRsEflCi5zd7M AMPDbbwynRj3dHeaCCbH0pVEYLzDX1w77PtCiFIRsU5HoiOGKoa+haeQtH/okp0RXz 6IK/QrexDZK9oMIf8H+woISUe2hKm/5kuJG9z2K5B0nzUWEdTBjKZurn/aShyD6A1c A1RzaxWtpD+v88KsD8wPSIhcbyEOl3NgAtfIG8fEQ6nuWidA46vV6lHekyKtSHCv+4 dHrla5kHCwFfQ== Date: Wed, 09 Sep 2026 03:07:08 +0000 To: Alex Elder , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni From: Esteban Urrutia Cc: Nazar Kompanets , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, Esteban Urrutia Subject: [PATCH] net: ipa: Add IPA_MEM_STATS_DROP_MODEM memory region Message-ID: <20260909-ipa-modem-drop-v1-1-0c9664f09c4a@proton.me> Feedback-ID: 147889766:user:proton X-Pm-Message-ID: 80c038807791ee02e837e3f320076c110bdca1df 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 Content-Type: text/plain; charset="utf-8" Add this memory region which is used in IPA v5.0 and higher. Link: https://github.com/LineageOS/android_kernel_qcom_sm8450-modules/commi= t/fc71d0972a2453cc29f873d723a355a902c6d69c Co-developed-by: Nazar Kompanets Signed-off-by: Nazar Kompanets Signed-off-by: Esteban Urrutia --- From IPA v5.0 onwards, two memory regions for drop stats exist: one for the AP (that is, the driver) and one for the modem (Q6). This patch declares this memory region and only allows its presence if the IPA version is >=3D5.0. --- drivers/net/ipa/ipa_mem.c | 1 + drivers/net/ipa/ipa_mem.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c index 078d32a18dbf..3000aaa24530 100644 --- a/drivers/net/ipa/ipa_mem.c +++ b/drivers/net/ipa/ipa_mem.c @@ -166,6 +166,7 @@ static bool ipa_mem_id_valid(struct ipa *ipa, enum ipa_= mem_id mem_id) return false; break; =20 + case IPA_MEM_MODEM_STATS_DROP: case IPA_MEM_AP_V4_FILTER: case IPA_MEM_AP_V6_FILTER: if (version < IPA_VERSION_5_0) diff --git a/drivers/net/ipa/ipa_mem.h b/drivers/net/ipa/ipa_mem.h index b25babade787..56703bada07c 100644 --- a/drivers/net/ipa/ipa_mem.h +++ b/drivers/net/ipa/ipa_mem.h @@ -68,6 +68,7 @@ enum ipa_mem_id { IPA_MEM_STATS_QUOTA_AP, /* 0 canaries, optional (IPA v4.0+) */ IPA_MEM_STATS_TETHERING, /* 0 canaries, optional (IPA v4.0+) */ IPA_MEM_STATS_DROP, /* 0 canaries, optional (IPA v4.0+) */ + IPA_MEM_MODEM_STATS_DROP, /* 0 canaries, optional (IPA v5.0+) */ /* The next 7 filter and route statistics regions are optional */ IPA_MEM_STATS_V4_FILTER, /* 0 canaries (IPA v4.0-v4.2) */ IPA_MEM_STATS_V6_FILTER, /* 0 canaries (IPA v4.0-v4.2) */ --- base-commit: a9d7ced84989ec05be09b4b8428759ef60450a0f change-id: 20260909-ipa-modem-drop-5fe77241c80f Best regards, -- =20 Esteban Urrutia