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Tsirkin" , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , Wainer dos Santos Moschetta , Beraldo Leal , Cleber Rosa , Laurent Vivier , Paolo Bonzini , qemu-devel@nongnu.org, Tomasz Dzieciol , Akihiko Odaki Subject: [PATCH v4 04/48] igb: Fix Rx packet type encoding Date: Wed, 26 Apr 2023 19:36:32 +0900 Message-Id: <20230426103716.26279-5-akihiko.odaki@daynix.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230426103716.26279-1-akihiko.odaki@daynix.com> References: <20230426103716.26279-1-akihiko.odaki@daynix.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::42b; envelope-from=akihiko.odaki@daynix.com; helo=mail-pf1-x42b.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20221208.gappssmtp.com) X-ZM-MESSAGEID: 1682505602783100001 Content-Type: text/plain; charset="utf-8" igb's advanced descriptor uses a packet type encoding different from one used in e1000e's extended descriptor. Fix the logic to encode Rx packet type accordingly. Fixes: 3a977deebe ("Intrdocue igb device emulation") Signed-off-by: Akihiko Odaki Reviewed-by: Sriram Yagnaraman --- hw/net/igb_regs.h | 5 +++++ hw/net/igb_core.c | 38 +++++++++++++++++++------------------- 2 files changed, 24 insertions(+), 19 deletions(-) diff --git a/hw/net/igb_regs.h b/hw/net/igb_regs.h index c5c5b3c3b8..21ee9a3b2d 100644 --- a/hw/net/igb_regs.h +++ b/hw/net/igb_regs.h @@ -641,6 +641,11 @@ union e1000_adv_rx_desc { =20 #define E1000_STATUS_NUM_VFS_SHIFT 14 =20 +#define E1000_ADVRXD_PKT_IP4 BIT(4) +#define E1000_ADVRXD_PKT_IP6 BIT(6) +#define E1000_ADVRXD_PKT_TCP BIT(8) +#define E1000_ADVRXD_PKT_UDP BIT(9) + static inline uint8_t igb_ivar_entry_rx(uint8_t i) { return i < 8 ? i * 4 : (i - 8) * 4 + 2; diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index 464a41d0aa..dbd1192a8e 100644 --- a/hw/net/igb_core.c +++ b/hw/net/igb_core.c @@ -1227,7 +1227,6 @@ igb_build_rx_metadata(IGBCore *core, struct virtio_net_hdr *vhdr; bool hasip4, hasip6; EthL4HdrProto l4hdr_proto; - uint32_t pkt_type; =20 *status_flags =3D E1000_RXD_STAT_DD; =20 @@ -1266,28 +1265,29 @@ igb_build_rx_metadata(IGBCore *core, trace_e1000e_rx_metadata_ack(); } =20 - if (hasip6 && (core->mac[RFCTL] & E1000_RFCTL_IPV6_DIS)) { - trace_e1000e_rx_metadata_ipv6_filtering_disabled(); - pkt_type =3D E1000_RXD_PKT_MAC; - } else if (l4hdr_proto =3D=3D ETH_L4_HDR_PROTO_TCP || - l4hdr_proto =3D=3D ETH_L4_HDR_PROTO_UDP) { - pkt_type =3D hasip4 ? E1000_RXD_PKT_IP4_XDP : E1000_RXD_PKT_IP6_XD= P; - } else if (hasip4 || hasip6) { - pkt_type =3D hasip4 ? E1000_RXD_PKT_IP4 : E1000_RXD_PKT_IP6; - } else { - pkt_type =3D E1000_RXD_PKT_MAC; - } + if (pkt_info) { + *pkt_info =3D rss_info->enabled ? rss_info->type : 0; =20 - trace_e1000e_rx_metadata_pkt_type(pkt_type); + if (hasip4) { + *pkt_info |=3D E1000_ADVRXD_PKT_IP4; + } =20 - if (pkt_info) { - if (rss_info->enabled) { - *pkt_info =3D rss_info->type; + if (hasip6) { + *pkt_info |=3D E1000_ADVRXD_PKT_IP6; } =20 - *pkt_info |=3D (pkt_type << 4); - } else { - *status_flags |=3D E1000_RXD_PKT_TYPE(pkt_type); + switch (l4hdr_proto) { + case ETH_L4_HDR_PROTO_TCP: + *pkt_info |=3D E1000_ADVRXD_PKT_TCP; + break; + + case ETH_L4_HDR_PROTO_UDP: + *pkt_info |=3D E1000_ADVRXD_PKT_UDP; + break; + + default: + break; + } } =20 if (hdr_info) { --=20 2.40.0