diff options
| -rw-r--r-- | include/linux/dcbnl.h | 2 | ||||
| -rw-r--r-- | include/net/dcbnl.h | 2 | ||||
| -rw-r--r-- | net/dcb/dcbnl.c | 90 |
3 files changed, 92 insertions, 2 deletions
diff --git a/include/linux/dcbnl.h b/include/linux/dcbnl.h index c52280047e2c..66a67235e729 100644 --- a/include/linux/dcbnl.h +++ b/include/linux/dcbnl.h @@ -203,6 +203,7 @@ struct dcbmsg { * @DCB_CMD_GFEATCFG: get DCBX features flags * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags * @DCB_CMD_CEE_GET: get CEE aggregated configuration + * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration */ enum dcbnl_commands { DCB_CMD_UNDEFINED, @@ -246,6 +247,7 @@ enum dcbnl_commands { DCB_CMD_SFEATCFG, DCB_CMD_CEE_GET, + DCB_CMD_IEEE_DEL, __DCB_CMD_ENUM_MAX, DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, diff --git a/include/net/dcbnl.h b/include/net/dcbnl.h index c53a4e06a16a..62a268531d4a 100644 --- a/include/net/dcbnl.h +++ b/include/net/dcbnl.h @@ -31,6 +31,7 @@ struct dcb_app_type { u8 dcb_setapp(struct net_device *, struct dcb_app *); u8 dcb_getapp(struct net_device *, struct dcb_app *); int dcb_ieee_setapp(struct net_device *, struct dcb_app *); +int dcb_ieee_delapp(struct net_device *, struct dcb_app *); int dcbnl_notify(struct net_device *dev, int event, int cmd, u32 seq, u32 pid); @@ -46,6 +47,7 @@ struct dcbnl_rtnl_ops { int (*ieee_setpfc) (struct net_device *, struct ieee_pfc *); int (*ieee_getapp) (struct net_device *, struct dcb_app *); int (*ieee_setapp) (struct net_device *, struct dcb_app *); + int (*ieee_delapp) (struct net_device *, struct dcb_app *); int (*ieee_peer_getets) (struct net_device *, struct ieee_ets *); int (*ieee_peer_getpfc) (struct net_device *, struct ieee_pfc *); diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 3e3b51c4a84a..196084f310d2 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1451,6 +1451,52 @@ static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb, return err; } + +static int dcbnl_ieee_del(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; + struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1]; + int err = -EOPNOTSUPP; + + if (!ops) + return -EOPNOTSUPP; + + if (!tb[DCB_ATTR_IEEE]) + return -EINVAL; + + err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, + tb[DCB_ATTR_IEEE], dcbnl_ieee_policy); + if (err) + return err; + + if (ieee[DCB_ATTR_IEEE_APP_TABLE]) { + struct nlattr *attr; + int rem; + + nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) { + struct dcb_app *app_data; + + if (nla_type(attr) != DCB_ATTR_IEEE_APP) + continue; + app_data = nla_data(attr); + if (ops->ieee_delapp) + err = ops->ieee_delapp(netdev, app_data); + else + err = dcb_ieee_delapp(netdev, app_data); + if (err) + goto err; + } + } + +err: + dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_DEL, DCB_ATTR_IEEE, + pid, seq, flags); + dcbnl_notify(netdev, RTM_SETDCB, DCB_CMD_IEEE_DEL, seq, 0); + return err; +} + + /* DCBX configuration */ static int dcbnl_getdcbx(struct net_device *netdev, struct nlattr **tb, u32 pid, u32 seq, u16 flags) @@ -1765,11 +1811,15 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) goto out; case DCB_CMD_IEEE_SET: ret = dcbnl_ieee_set(netdev, tb, pid, nlh->nlmsg_seq, - nlh->nlmsg_flags); + nlh->nlmsg_flags); goto out; case DCB_CMD_IEEE_GET: ret = dcbnl_ieee_get(netdev, tb, pid, nlh->nlmsg_seq, - nlh->nlmsg_flags); + nlh->nlmsg_flags); + goto out; + case DCB_CMD_IEEE_DEL: + ret = dcbnl_ieee_del(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); goto out; case DCB_CMD_GDCBX: ret = dcbnl_getdcbx(netdev, tb, pid, nlh->nlmsg_seq, @@ -1924,6 +1974,42 @@ out: } EXPORT_SYMBOL(dcb_ieee_setapp); +/** + * dcb_ieee_delapp - delete IEEE dcb application data from list + * + * This removes a matching APP data from the APP list + */ +int dcb_ieee_delapp(struct net_device *dev, struct dcb_app *del) +{ + struct dcb_app_type *itr; + struct dcb_app_type event; + int err = -ENOENT; + + memcpy(&event.name, dev->name, sizeof(event.name)); + memcpy(&event.app, del, sizeof(event.app)); + + spin_lock(&dcb_lock); + /* Search for existing match and remove it. */ + list_for_each_entry(itr, &dcb_app_list, list) { + if (itr->app.selector == del->selector && + itr->app.protocol == del->protocol && + itr->app.priority == del->priority && + (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) { + list_del(&itr->list); + kfree(itr); + err = 0; + goto out; + } + } + +out: + spin_unlock(&dcb_lock); + if (!err) + call_dcbevent_notifiers(DCB_APP_EVENT, &event); + return err; +} +EXPORT_SYMBOL(dcb_ieee_delapp); + static void dcb_flushapp(void) { struct dcb_app_type *app; |