diff options
author | Ganesh Goudar <ganeshgr@chelsio.com> | 2018-01-24 20:44:07 +0530 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-01-24 10:48:25 -0500 |
commit | 9d5fd927d20b38d9785f510b93b3f0f8e19aba5f (patch) | |
tree | f76e3012dd0c0fdd0eb8852c85451287795f0eab /drivers/net/ethernet/chelsio/cxgb4vf | |
parent | Merge branch 'bpf-and-netdevsim-test-updates' (diff) | |
download | linux-dev-9d5fd927d20b38d9785f510b93b3f0f8e19aba5f.tar.xz linux-dev-9d5fd927d20b38d9785f510b93b3f0f8e19aba5f.zip |
cxgb4/cxgb4vf: add support for ndo_set_vf_vlan
implement ndo_set_vf_vlan for mgmt netdevice to configure
the PCIe VF.
Original work by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4vf')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/adapter.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 15 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c | 28 |
5 files changed, 44 insertions, 3 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h index 08c6ddb84a04..5883f09e3804 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h @@ -92,6 +92,7 @@ struct sge_rspq; */ struct port_info { struct adapter *adapter; /* our adapter */ + u32 vlan_id; /* vlan id for VST */ u16 viid; /* virtual interface ID */ s16 xact_addr_filt; /* index of our MAC address filter */ u16 rss_size; /* size of VI's RSS table slice */ diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 96f69f80dc99..b7e79e64d2ed 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -791,6 +791,8 @@ static int cxgb4vf_open(struct net_device *dev) if (err) goto err_unwind; + pi->vlan_id = t4vf_get_vf_vlan_acl(adapter); + netif_tx_start_all_queues(dev); set_bit(pi->port_id, &adapter->open_device_map); return 0; diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 129b914a434c..dfce5df7538e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -1202,6 +1202,10 @@ int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev) BUG_ON(qidx >= pi->nqsets); txq = &adapter->sge.ethtxq[pi->first_qset + qidx]; + if (pi->vlan_id && !skb_vlan_tag_present(skb)) + __vlan_hwaccel_put_tag(skb, cpu_to_be16(ETH_P_8021Q), + pi->vlan_id); + /* * Take this opportunity to reclaim any TX Descriptors whose DMA * transfers have completed. @@ -1570,6 +1574,7 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, { struct adapter *adapter = rxq->rspq.adapter; struct sge *s = &adapter->sge; + struct port_info *pi; int ret; struct sk_buff *skb; @@ -1586,8 +1591,9 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, skb->truesize += skb->data_len; skb->ip_summed = CHECKSUM_UNNECESSARY; skb_record_rx_queue(skb, rxq->rspq.idx); + pi = netdev_priv(skb->dev); - if (pkt->vlan_ex) { + if (pkt->vlan_ex && !pi->vlan_id) { __vlan_hwaccel_put_tag(skb, cpu_to_be16(ETH_P_8021Q), be16_to_cpu(pkt->vlan)); rxq->stats.vlan_ex++; @@ -1620,6 +1626,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); struct adapter *adapter = rspq->adapter; struct sge *s = &adapter->sge; + struct port_info *pi; /* * If this is a good TCP packet and we have Generic Receive Offload @@ -1644,6 +1651,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, __skb_pull(skb, s->pktshift); skb->protocol = eth_type_trans(skb, rspq->netdev); skb_record_rx_queue(skb, rspq->idx); + pi = netdev_priv(skb->dev); rxq->stats.pkts++; if (csum_ok && !pkt->err_vec && @@ -1660,9 +1668,10 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, } else skb_checksum_none_assert(skb); - if (pkt->vlan_ex) { + if (pkt->vlan_ex && !pi->vlan_id) { rxq->stats.vlan_ex++; - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), be16_to_cpu(pkt->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), + be16_to_cpu(pkt->vlan)); } netif_receive_skb(skb); diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h index 9cf9c56b0f73..712e8f0c71b4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h @@ -413,5 +413,6 @@ int t4vf_handle_fw_rpl(struct adapter *, const __be64 *); int t4vf_prep_adapter(struct adapter *); int t4vf_get_vf_mac_acl(struct adapter *adapter, unsigned int pf, unsigned int *naddr, u8 *addr); +int t4vf_get_vf_vlan_acl(struct adapter *adapter); #endif /* __T4VF_COMMON_H__ */ diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index 67aec59a14e6..798695bf8678 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -2147,3 +2147,31 @@ int t4vf_get_vf_mac_acl(struct adapter *adapter, unsigned int pf, return ret; } + +/** + * t4vf_get_vf_vlan_acl - Get the VLAN ID to be set to + * the VI of this VF. + * @adapter: The adapter + * + * Find the VLAN ID to be set to the VF's VI. The requested VLAN ID + * is from the host OS via callback in the PF driver. + */ +int t4vf_get_vf_vlan_acl(struct adapter *adapter) +{ + struct fw_acl_vlan_cmd cmd; + int vlan = 0; + int ret = 0; + + cmd.op_to_vfn = htonl(FW_CMD_OP_V(FW_ACL_VLAN_CMD) | + FW_CMD_REQUEST_F | FW_CMD_READ_F); + + /* Note: Do not enable the ACL */ + cmd.en_to_len16 = cpu_to_be32((unsigned int)FW_LEN16(cmd)); + + ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &cmd); + + if (!ret) + vlan = be16_to_cpu(cmd.vlanid[0]); + + return vlan; +} |