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| author |   Williams, Mitch A <mitch.a.williams@intel.com> | 2010-02-10 01:44:05 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-02-12 16:56:08 -0800 |
| commit | ebc08a6f47ee76ecad8e9f26c26e6ec9b46ca659 (patch) | |
| tree | 08c46bdb0ae7ad752876a5cfdfd2350e0c53196d /net/core/rtnetlink.c | |
| parent | net: Add netdev ops for SR-IOV configuration (diff) | |
| download | linux-dev-ebc08a6f47ee76ecad8e9f26c26e6ec9b46ca659.tar.xz linux-dev-ebc08a6f47ee76ecad8e9f26c26e6ec9b46ca659.zip | |
rtnetlink: Add VF config code to rtnetlink
Add code to allow rtnetlink clients to query and set VF information through
the PF driver.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 62f3878a6010..42da96a4eeee 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -35,6 +35,7 @@ #include <linux/security.h> #include <linux/mutex.h> #include <linux/if_addr.h> +#include <linux/pci.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -580,6 +581,15 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a, a->tx_compressed = b->tx_compressed; }; +static inline int rtnl_vfinfo_size(const struct net_device *dev) +{ + if (dev->dev.parent && dev_is_pci(dev->dev.parent)) + return dev_num_vf(dev->dev.parent) * + sizeof(struct ifla_vf_info); + else + return 0; +} + static inline size_t if_nlmsg_size(const struct net_device *dev) { return NLMSG_ALIGN(sizeof(struct ifinfomsg)) @@ -597,6 +607,8 @@ static inline size_t if_nlmsg_size(const struct net_device *dev) + nla_total_size(4) /* IFLA_MASTER */ + nla_total_size(1) /* IFLA_OPERSTATE */ + nla_total_size(1) /* IFLA_LINKMODE */ + + nla_total_size(4) /* IFLA_NUM_VF */ + + nla_total_size(rtnl_vfinfo_size(dev)) /* IFLA_VFINFO */ + rtnl_link_get_size(dev); /* IFLA_LINKINFO */ } @@ -665,6 +677,17 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, stats = dev_get_stats(dev); copy_rtnl_link_stats(nla_data(attr), stats); + if (dev->netdev_ops->ndo_get_vf_config && dev->dev.parent) { + int i; + struct ifla_vf_info ivi; + + NLA_PUT_U32(skb, IFLA_NUM_VF, dev_num_vf(dev->dev.parent)); + for (i = 0; i < dev_num_vf(dev->dev.parent); i++) { + if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi)) + break; + NLA_PUT(skb, IFLA_VFINFO, sizeof(ivi), &ivi); + } + } if (dev->rtnl_link_ops) { if (rtnl_link_fill(skb, dev) < 0) goto nla_put_failure; @@ -725,6 +748,12 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = { [IFLA_LINKINFO] = { .type = NLA_NESTED }, [IFLA_NET_NS_PID] = { .type = NLA_U32 }, [IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 }, + [IFLA_VF_MAC] = { .type = NLA_BINARY, + .len = sizeof(struct ifla_vf_mac) }, + [IFLA_VF_VLAN] = { .type = NLA_BINARY, + .len = sizeof(struct ifla_vf_vlan) }, + [IFLA_VF_TX_RATE] = { .type = NLA_BINARY, + .len = sizeof(struct ifla_vf_tx_rate) }, }; EXPORT_SYMBOL(ifla_policy); @@ -898,6 +927,44 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm, write_unlock_bh(&dev_base_lock); } + if (tb[IFLA_VF_MAC]) { + struct ifla_vf_mac *ivm; + ivm = nla_data(tb[IFLA_VF_MAC]); + write_lock_bh(&dev_base_lock); + if (ops->ndo_set_vf_mac) + err = ops->ndo_set_vf_mac(dev, ivm->vf, ivm->mac); + write_unlock_bh(&dev_base_lock); + if (err < 0) + goto errout; + modified = 1; + } + + if (tb[IFLA_VF_VLAN]) { + struct ifla_vf_vlan *ivv; + ivv = nla_data(tb[IFLA_VF_VLAN]); + write_lock_bh(&dev_base_lock); + if (ops->ndo_set_vf_vlan) + err = ops->ndo_set_vf_vlan(dev, ivv->vf, + (u16)ivv->vlan, + (u8)ivv->qos); + write_unlock_bh(&dev_base_lock); + if (err < 0) + goto errout; + modified = 1; + } + err = 0; + + if (tb[IFLA_VF_TX_RATE]) { + struct ifla_vf_tx_rate *ivt; + ivt = nla_data(tb[IFLA_VF_TX_RATE]); + write_lock_bh(&dev_base_lock); + if (ops->ndo_set_vf_tx_rate) + err = ops->ndo_set_vf_tx_rate(dev, ivt->vf, ivt->rate); + write_unlock_bh(&dev_base_lock); + if (err < 0) + goto errout; + modified = 1; + } err = 0; errout: |