[net-next,10/10] bnxt_en: add support for port_attr_get and and get_phys_port_name

Message ID	1500914069-15724-11-git-send-email-michael.chan@broadcom.com
State	Accepted, archived
Delegated to:	David Miller
Headers	show Return-Path: <netdev-owner@vger.kernel.org> From: Michael Chan <michael.chan@broadcom.com> To: davem@davemloft.net Cc: netdev@vger.kernel.org, Sathya Perla <sathya.perla@broadcom.com> Subject: [PATCH net-next 10/10] bnxt_en: add support for port_attr_get and and get_phys_port_name Date: Mon, 24 Jul 2017 12:34:29 -0400 Message-Id: <1500914069-15724-11-git-send-email-michael.chan@broadcom.com> In-Reply-To: <1500914069-15724-1-git-send-email-michael.chan@broadcom.com> References: <1500914069-15724-1-git-send-email-michael.chan@broadcom.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index f262fe6..82cbe18 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7546,6 +7546,61 @@ static int bnxt_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, return rc; } +static int bnxt_get_phys_port_name(struct net_device *dev, char *buf, + size_t len) +{ + struct bnxt *bp = netdev_priv(dev); + int rc; + + /* The PF and it's VF-reps only support the switchdev framework */ + if (!BNXT_PF(bp)) + return -EOPNOTSUPP; + + /* The switch-id that the pf belongs to is exported by + * the switchdev ndo. This name is just to distinguish from the + * vf-rep ports. + */ + rc = snprintf(buf, len, "pf%d", bp->pf.port_id); + + if (rc >= len) + return -EOPNOTSUPP; + return 0; +} + +int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr) +{ + if (bp->eswitch_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV) + return -EOPNOTSUPP; + + /* The PF and it's VF-reps only support the switchdev framework */ + if (!BNXT_PF(bp)) + return -EOPNOTSUPP; + + switch (attr->id) { + case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: + /* In SRIOV each PF-pool (PF + child VFs) serves as a + * switching domain, the PF's perm mac-addr can be used + * as the unique parent-id + */ + attr->u.ppid.id_len = ETH_ALEN; + ether_addr_copy(attr->u.ppid.id, bp->pf.mac_addr); + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + +static int bnxt_swdev_port_attr_get(struct net_device *dev, + struct switchdev_attr *attr) +{ + return bnxt_port_attr_get(netdev_priv(dev), attr); +} + +static const struct switchdev_ops bnxt_switchdev_ops = { + .switchdev_port_attr_get = bnxt_swdev_port_attr_get +}; + static const struct net_device_ops bnxt_netdev_ops = { .ndo_open = bnxt_open, .ndo_start_xmit = bnxt_start_xmit, @@ -7579,6 +7634,7 @@ static int bnxt_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, .ndo_xdp = bnxt_xdp, .ndo_bridge_getlink = bnxt_bridge_getlink, .ndo_bridge_setlink = bnxt_bridge_setlink, + .ndo_get_phys_port_name = bnxt_get_phys_port_name }; static void bnxt_remove_one(struct pci_dev *pdev) @@ -7838,6 +7894,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->netdev_ops = &bnxt_netdev_ops; dev->watchdog_timeo = BNXT_TX_TIMEOUT; dev->ethtool_ops = &bnxt_ethtool_ops; + dev->switchdev_ops = &bnxt_switchdev_ops; pci_set_drvdata(pdev, dev); rc = bnxt_alloc_hwrm_resources(bp); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 63756f0..2d84d57 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -21,6 +21,7 @@ #include <linux/interrupt.h> #include <net/devlink.h> #include <net/dst_metadata.h> +#include <net/switchdev.h> struct tx_bd { __le32 tx_bd_len_flags_type; @@ -1350,4 +1351,5 @@ int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, int bnxt_setup_mq_tc(struct net_device *dev, u8 tc); int bnxt_get_max_rings(struct bnxt *, int *, int *, bool); void bnxt_restore_pf_fw_resources(struct bnxt *bp); +int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr); #endif diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c index 60bdb181..83478e9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c @@ -135,6 +135,18 @@ void bnxt_vf_rep_rx(struct bnxt *bp, struct sk_buff *skb) netif_receive_skb(skb); } +static int bnxt_vf_rep_get_phys_port_name(struct net_device *dev, char *buf, + size_t len) +{ + struct bnxt_vf_rep *vf_rep = netdev_priv(dev); + int rc; + + rc = snprintf(buf, len, "vfr%d", vf_rep->vf_idx); + if (rc >= len) + return -EOPNOTSUPP; + return 0; +} + static void bnxt_vf_rep_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { @@ -142,6 +154,21 @@ static void bnxt_vf_rep_get_drvinfo(struct net_device *dev, strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); } +static int bnxt_vf_rep_port_attr_get(struct net_device *dev, + struct switchdev_attr *attr) +{ + struct bnxt_vf_rep *vf_rep = netdev_priv(dev); + + /* as only PORT_PARENT_ID is supported currently use common code + * between PF and VF-rep for now. + */ + return bnxt_port_attr_get(vf_rep->bp, attr); +} + +static const struct switchdev_ops bnxt_vf_rep_switchdev_ops = { + .switchdev_port_attr_get = bnxt_vf_rep_port_attr_get +}; + static const struct ethtool_ops bnxt_vf_rep_ethtool_ops = { .get_drvinfo = bnxt_vf_rep_get_drvinfo }; @@ -150,7 +177,8 @@ static void bnxt_vf_rep_get_drvinfo(struct net_device *dev, .ndo_open = bnxt_vf_rep_open, .ndo_stop = bnxt_vf_rep_close, .ndo_start_xmit = bnxt_vf_rep_xmit, - .ndo_get_stats64 = bnxt_vf_rep_get_stats64 + .ndo_get_stats64 = bnxt_vf_rep_get_stats64, + .ndo_get_phys_port_name = bnxt_vf_rep_get_phys_port_name }; /* Called when the parent PF interface is closed: @@ -274,6 +302,7 @@ static void bnxt_vf_rep_netdev_init(struct bnxt *bp, struct bnxt_vf_rep *vf_rep, dev->netdev_ops = &bnxt_vf_rep_netdev_ops; dev->ethtool_ops = &bnxt_vf_rep_ethtool_ops; + dev->switchdev_ops = &bnxt_vf_rep_switchdev_ops; /* Just inherit all the featues of the parent PF as the VF-R * uses the RX/TX rings of the parent PF */

[net-next,10/10] bnxt_en: add support for port_attr_get and and get_phys_port_name

Commit Message

Comments

Patch