From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 448F0FBF3 for ; Mon, 15 May 2023 17:02:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E725C433EF; Mon, 15 May 2023 17:02:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684170152; bh=RcMf99sVVFYOzFuBxPyij6kdwnRsBoKd96FJsfVFXdc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pgLvl+MlTjSMQt5xIAyi9Q9vJD9rVnSHZb0eSqD54mWkwE5AVWdLZ+MRn76R+83Eh 1F4FvPNrfVmMcsVTJkeO0dLBue6n2WigIOinalCEIse7G0ryDXSUtM6thE5lDEWAZ1 EUBBSCyi7wLnLMi+HxOeZH8u/iYSbATErR21eZC0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Subbaraya Sundeep , Sunil Goutham , Geetha sowjanya , Leon Romanovsky , Paolo Abeni , Sasha Levin Subject: [PATCH 6.1 040/239] octeontx2-pf: mcs: Match macsec ethertype along with DMAC Date: Mon, 15 May 2023 18:25:03 +0200 Message-Id: <20230515161722.916194523@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.545370111@linuxfoundation.org> References: <20230515161721.545370111@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Subbaraya Sundeep [ Upstream commit 57d00d4364f314485092667d2a48718985515deb ] On CN10KB silicon a single hardware macsec block is present and offloads macsec operations for all the ethernet LMACs. TCAM match with macsec ethertype 0x88e5 alone at RX side is not sufficient to distinguish all the macsec interfaces created on top of netdevs. Hence append the DMAC of the macsec interface too. Otherwise the first created macsec interface only receives all the macsec traffic. Fixes: c54ffc73601c ("octeontx2-pf: mcs: Introduce MACSEC hardware offloading") Signed-off-by: Subbaraya Sundeep Signed-off-by: Sunil Goutham Signed-off-by: Geetha sowjanya Reviewed-by: Leon Romanovsky Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- .../net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c index 9ec5f38d38a84..f699209978fef 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c @@ -9,6 +9,7 @@ #include #include "otx2_common.h" +#define MCS_TCAM0_MAC_DA_MASK GENMASK_ULL(47, 0) #define MCS_TCAM0_MAC_SA_MASK GENMASK_ULL(63, 48) #define MCS_TCAM1_MAC_SA_MASK GENMASK_ULL(31, 0) #define MCS_TCAM1_ETYPE_MASK GENMASK_ULL(47, 32) @@ -237,8 +238,10 @@ static int cn10k_mcs_write_rx_flowid(struct otx2_nic *pfvf, struct cn10k_mcs_rxsc *rxsc, u8 hw_secy_id) { struct macsec_rx_sc *sw_rx_sc = rxsc->sw_rxsc; + struct macsec_secy *secy = rxsc->sw_secy; struct mcs_flowid_entry_write_req *req; struct mbox *mbox = &pfvf->mbox; + u64 mac_da; int ret; mutex_lock(&mbox->lock); @@ -249,11 +252,16 @@ static int cn10k_mcs_write_rx_flowid(struct otx2_nic *pfvf, goto fail; } + mac_da = ether_addr_to_u64(secy->netdev->dev_addr); + + req->data[0] = FIELD_PREP(MCS_TCAM0_MAC_DA_MASK, mac_da); + req->mask[0] = ~0ULL; + req->mask[0] = ~MCS_TCAM0_MAC_DA_MASK; + req->data[1] = FIELD_PREP(MCS_TCAM1_ETYPE_MASK, ETH_P_MACSEC); req->mask[1] = ~0ULL; req->mask[1] &= ~MCS_TCAM1_ETYPE_MASK; - req->mask[0] = ~0ULL; req->mask[2] = ~0ULL; req->mask[3] = ~0ULL; -- 2.39.2