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Tue, 23 May 2023 07:34:42 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-45.pek2.redhat.com [10.72.12.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id CDA292166B25; Tue, 23 May 2023 07:34:40 +0000 (UTC) From: Jason Wang To: qemu-devel@nongnu.org, peter.maydell@linaro.org Cc: Akihiko Odaki , Jason Wang Subject: [PULL 40/50] igb: Filter with the second VLAN tag for extended VLAN Date: Tue, 23 May 2023 15:32:28 +0800 Message-Id: <20230523073238.54236-41-jasowang@redhat.com> In-Reply-To: <20230523073238.54236-1-jasowang@redhat.com> References: <20230523073238.54236-1-jasowang@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.129.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Akihiko Odaki Signed-off-by: Akihiko Odaki Signed-off-by: Jason Wang --- hw/net/igb_core.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index 688eaf7..5345f57 100644 --- a/hw/net/igb_core.c +++ b/hw/net/igb_core.c @@ -69,7 +69,7 @@ typedef struct IGBTxPktVmdqCallbackContext { typedef struct L2Header { struct eth_header eth; - struct vlan_header vlan; + struct vlan_header vlan[2]; } L2Header; static ssize_t @@ -1001,7 +1001,7 @@ static uint16_t igb_receive_assign(IGBCore *core, const L2Header *l2_header, uint32_t f, ra[2], *macp, rctl = core->mac[RCTL]; uint16_t queues = 0; uint16_t oversized = 0; - uint16_t vid = be16_to_cpu(l2_header->vlan.h_tci) & VLAN_VID_MASK; + size_t vlan_num = 0; int i; memset(rss_info, 0, sizeof(E1000E_RSSInfo)); @@ -1010,8 +1010,19 @@ static uint16_t igb_receive_assign(IGBCore *core, const L2Header *l2_header, *external_tx = true; } - if (e1000x_is_vlan_packet(ehdr, core->mac[VET] & 0xffff) && - !e1000x_rx_vlan_filter(core->mac, PKT_GET_VLAN_HDR(ehdr))) { + if (core->mac[CTRL_EXT] & BIT(26)) { + if (be16_to_cpu(ehdr->h_proto) == core->mac[VET] >> 16 && + be16_to_cpu(l2_header->vlan[0].h_proto) == (core->mac[VET] & 0xffff)) { + vlan_num = 2; + } + } else { + if (be16_to_cpu(ehdr->h_proto) == (core->mac[VET] & 0xffff)) { + vlan_num = 1; + } + } + + if (vlan_num && + !e1000x_rx_vlan_filter(core->mac, l2_header->vlan + vlan_num - 1)) { return queues; } @@ -1065,7 +1076,9 @@ static uint16_t igb_receive_assign(IGBCore *core, const L2Header *l2_header, if (e1000x_vlan_rx_filter_enabled(core->mac)) { uint16_t mask = 0; - if (e1000x_is_vlan_packet(ehdr, core->mac[VET] & 0xffff)) { + if (vlan_num) { + uint16_t vid = be16_to_cpu(l2_header->vlan[vlan_num - 1].h_tci) & VLAN_VID_MASK; + for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) { if ((core->mac[VLVF0 + i] & E1000_VLVF_VLANID_MASK) == vid && (core->mac[VLVF0 + i] & E1000_VLVF_VLANID_ENABLE)) { -- 2.7.4