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envelope-from=sriram.yagnaraman@est.tech; helo=EUR04-HE1-obe.outbound.protection.outlook.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, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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 Add support for stripping/inserting VLAN for VFs. Signed-off-by: Sriram Yagnaraman --- hw/net/igb_core.c | 84 ++++++++++++++++++++++++++++++----------------- 1 file changed, 54 insertions(+), 30 deletions(-) diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index 5ca666229e..a511c64773 100644 --- a/hw/net/igb_core.c +++ b/hw/net/igb_core.c @@ -384,6 +384,25 @@ igb_rss_parse_packet(IGBCore *core, struct NetRxPkt *pkt, bool tx, info->queue = E1000_RSS_QUEUE(&core->mac[RETA], info->hash); } +static inline bool +igb_tx_insert_vlan(IGBCore *core, uint16_t qn, + struct igb_tx *tx, bool desc_vle) +{ + if (core->mac[MRQC] & 1) { + uint16_t pool = qn % IGB_MAX_VM_POOLS; + + if (core->mac[VMVIR0 + pool] & E1000_VMVIR_VLANA_DEFAULT) { + /* always insert default VLAN */ + desc_vle = true; + tx->vlan = core->mac[VMVIR0 + pool] & 0xffff; + } else if (core->mac[VMVIR0 + pool] & E1000_VMVIR_VLANA_NEVER) { + return false; + } + } + + return desc_vle && e1000x_vlan_enabled(core->mac); +} + static bool igb_setup_tx_offloads(IGBCore *core, struct igb_tx *tx) { @@ -579,7 +598,8 @@ igb_process_tx_desc(IGBCore *core, if (cmd_type_len & E1000_TXD_CMD_EOP) { if (!tx->skip_cp && net_tx_pkt_parse(tx->tx_pkt)) { - if (cmd_type_len & E1000_TXD_CMD_VLE) { + if (igb_tx_insert_vlan(core, queue_index, tx, + !!(cmd_type_len & E1000_TXD_CMD_VLE))) { net_tx_pkt_setup_vlan_header_ex(tx->tx_pkt, tx->vlan, core->mac[VET] & 0xffff); } @@ -1541,6 +1561,19 @@ igb_write_packet_to_guest(IGBCore *core, struct NetRxPkt *pkt, igb_update_rx_stats(core, rxi, size, total_size); } +static bool +igb_rx_strip_vlan(IGBCore *core, const E1000E_RingInfo *rxi) +{ + if (core->mac[MRQC] & 1) { + uint16_t pool = rxi->idx % IGB_MAX_VM_POOLS; + return (net_rx_pkt_get_packet_type(core->rx_pkt) == ETH_PKT_MCAST) ? + core->mac[RPLOLR] & E1000_RPLOLR_STRVLAN : + core->mac[VMOLR0 + pool] & E1000_VMOLR_STRVLAN; + } + + return e1000x_vlan_enabled(core->mac); +} + static inline void igb_rx_fix_l4_csum(IGBCore *core, struct NetRxPkt *pkt) { @@ -1622,10 +1655,7 @@ igb_receive_internal(IGBCore *core, const struct iovec *iov, int iovcnt, ehdr = PKT_GET_ETH_HDR(filter_buf); net_rx_pkt_set_packet_type(core->rx_pkt, get_eth_packet_type(ehdr)); - - net_rx_pkt_attach_iovec_ex(core->rx_pkt, iov, iovcnt, iov_ofs, - e1000x_vlan_enabled(core->mac), - core->mac[VET] & 0xffff); + net_rx_pkt_set_protocols(core->rx_pkt, filter_buf, size); queues = igb_receive_assign(core, ehdr, size, &rss_info, external_tx); if (!queues) { @@ -1633,44 +1663,38 @@ igb_receive_internal(IGBCore *core, const struct iovec *iov, int iovcnt, return orig_size; } - total_size = net_rx_pkt_get_total_len(core->rx_pkt) + - e1000x_fcs_len(core->mac); + retval = orig_size; + total_size = size + e1000x_fcs_len(core->mac); for (i = 0; i < IGB_NUM_QUEUES; i++) { - if (!(queues & BIT(i))) { + if (!(queues & BIT(i)) && + !(core->mac[RXDCTL0 + (i * 16)] & E1000_RXDCTL_QUEUE_ENABLE)) { continue; } igb_rx_ring_init(core, &rxr, i); + net_rx_pkt_attach_iovec_ex(core->rx_pkt, iov, iovcnt, iov_ofs, + igb_rx_strip_vlan(core, rxr.i), + core->mac[VET] & 0xffff); + igb_rx_fix_l4_csum(core, core->rx_pkt); + if (!igb_has_rxbufs(core, rxr.i, total_size)) { icr_bits |= E1000_ICS_RXO; + continue; } - } - if (!icr_bits) { - retval = orig_size; - igb_rx_fix_l4_csum(core, core->rx_pkt); - - for (i = 0; i < IGB_NUM_QUEUES; i++) { - if (!(queues & BIT(i)) || - !(core->mac[E1000_RXDCTL(i) >> 2] & E1000_RXDCTL_QUEUE_ENABLE)) { - continue; - } - - igb_rx_ring_init(core, &rxr, i); + trace_e1000e_rx_rss_dispatched_to_queue(rxr.i->idx); + igb_write_packet_to_guest(core, core->rx_pkt, &rxr, &rss_info); - trace_e1000e_rx_rss_dispatched_to_queue(rxr.i->idx); - igb_write_packet_to_guest(core, core->rx_pkt, &rxr, &rss_info); - - /* Check if receive descriptor minimum threshold hit */ - if (igb_rx_descr_threshold_hit(core, rxr.i)) { - icr_bits |= E1000_ICS_RXDMT0; - } + /* Check if receive descriptor minimum threshold hit */ + if (igb_rx_descr_threshold_hit(core, rxr.i)) { + icr_bits |= E1000_ICS_RXDMT0; + } - core->mac[EICR] |= igb_rx_wb_eic(core, rxr.i->idx); + core->mac[EICR] |= igb_rx_wb_eic(core, rxr.i->idx); - icr_bits |= E1000_ICR_RXDW; - } + /* same as RXDW (rx descriptor written back)*/ + icr_bits |= E1000_ICR_RXDW; } if (icr_bits & E1000_ICR_RXDW) { -- 2.34.1