From 8ec72682e999c18a5e5e0863849d826c762c3c34 Mon Sep 17 00:00:00 2001 From: Thomas Graf Date: Tue, 24 Aug 2004 03:20:56 -0700 Subject: [PATCH] [NET]: Device mtu/txqlen/ifmap via rtnetlink. Signed-off-by: Thomas Graf Signed-off-by: David S. Miller --- include/linux/rtnetlink.h | 4 ++ net/core/rtnetlink.c | 85 ++++++++++++++++++++++++++++++++++----- 2 files changed, 78 insertions(+), 11 deletions(-) diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 58c6429ccdf7f..f92c35c07faca 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -561,6 +561,10 @@ enum #define IFLA_WIRELESS IFLA_WIRELESS IFLA_PROTINFO, /* Protocol specific information for a link */ #define IFLA_PROTINFO IFLA_PROTINFO + IFLA_TXQLEN, +#define IFLA_TXQLEN IFLA_TXQLEN + IFLA_MAP, +#define IFLA_MAP IFLA_MAP __IFLA_MAX }; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index e0b5e89c863de..4b50fabc39c57 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -166,31 +166,53 @@ static int rtnetlink_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, r->ifi_family = AF_UNSPEC; r->ifi_type = dev->type; r->ifi_index = dev->ifindex; - r->ifi_flags = dev->flags; + r->ifi_flags = dev_get_flags(dev); r->ifi_change = change; - if (!netif_running(dev) || !netif_carrier_ok(dev)) - r->ifi_flags &= ~IFF_RUNNING; - else - r->ifi_flags |= IFF_RUNNING; - RTA_PUT(skb, IFLA_IFNAME, strlen(dev->name)+1, dev->name); + + if (1) { + u32 txqlen = dev->tx_queue_len; + RTA_PUT(skb, IFLA_TXQLEN, sizeof(txqlen), &txqlen); + } + + if (1) { + struct ifmap map = { + .mem_start = dev->mem_start, + .mem_end = dev->mem_end, + .base_addr = dev->base_addr, + .irq = dev->irq, + .dma = dev->dma, + .port = dev->if_port, + }; + RTA_PUT(skb, IFLA_MAP, sizeof(map), &map); + } + if (dev->addr_len) { RTA_PUT(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr); RTA_PUT(skb, IFLA_BROADCAST, dev->addr_len, dev->broadcast); } + if (1) { - unsigned mtu = dev->mtu; + u32 mtu = dev->mtu; RTA_PUT(skb, IFLA_MTU, sizeof(mtu), &mtu); } - if (dev->ifindex != dev->iflink) - RTA_PUT(skb, IFLA_LINK, sizeof(int), &dev->iflink); + + if (dev->ifindex != dev->iflink) { + u32 iflink = dev->iflink; + RTA_PUT(skb, IFLA_LINK, sizeof(iflink), &iflink); + } + if (dev->qdisc_sleeping) RTA_PUT(skb, IFLA_QDISC, strlen(dev->qdisc_sleeping->ops->id) + 1, dev->qdisc_sleeping->ops->id); - if (dev->master) - RTA_PUT(skb, IFLA_MASTER, sizeof(int), &dev->master->ifindex); + + if (dev->master) { + u32 master = dev->master->ifindex; + RTA_PUT(skb, IFLA_MASTER, sizeof(master), &master); + } + if (dev->get_stats) { unsigned long *stats = (unsigned long*)dev->get_stats(dev); if (stats) { @@ -246,6 +268,30 @@ static int do_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) err = -EINVAL; + if (ifm->ifi_flags) + dev_change_flags(dev, ifm->ifi_flags); + + if (ida[IFLA_MAP - 1]) { + if (!dev->set_config) { + err = -EOPNOTSUPP; + goto out; + } + + if (!netif_device_present(dev)) { + err = -ENODEV; + goto out; + } + + if (ida[IFLA_MAP - 1]->rta_len != RTA_LENGTH(sizeof(struct ifmap))) + goto out; + + err = dev->set_config(dev, (struct ifmap *) + RTA_DATA(ida[IFLA_MAP - 1])); + + if (err) + goto out; + } + if (ida[IFLA_ADDRESS - 1]) { if (!dev->set_mac_address) { err = -EOPNOTSUPP; @@ -270,6 +316,23 @@ static int do_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) dev->addr_len); } + if (ida[IFLA_MTU - 1]) { + if (ida[IFLA_MTU - 1]->rta_len != RTA_LENGTH(sizeof(u32))) + goto out; + err = dev_set_mtu(dev, *((u32 *) RTA_DATA(ida[IFLA_MTU - 1]))); + + if (err) + goto out; + + } + + if (ida[IFLA_TXQLEN - 1]) { + if (ida[IFLA_TXQLEN - 1]->rta_len != RTA_LENGTH(sizeof(u32))) + goto out; + + dev->tx_queue_len = *((u32 *) RTA_DATA(ida[IFLA_TXQLEN - 1])); + } + err = 0; out: -- 2.53.0