From: Hiroshi Shimamoto <h-shimam...@ct.jp.nec.com>
Add netlink directives and ndo entry to allow VF multicast promiscuous mode.
The administrator wants to allow dedicatedly multicast promiscuous per VF.
Signed-off-by: Hiroshi Shimamoto <h-shimam...@ct.jp.nec.com>
Reviewed-by: Hayato Momma <h-mo...@ce.jp.nec.com>
CC: Choi, Sy Jong <sy.jong.c...@intel.com>
---
include/linux/if_link.h | 1 +
include/linux/netdevice.h | 3 +++
include/uapi/linux/if_link.h | 6 ++++++
net/core/rtnetlink.c | 18 ++++++++++++++++--
4 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 119130e..bc29ddf 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -14,5 +14,6 @@ struct ifla_vf_info {
__u32 linkstate;
__u32 min_tx_rate;
__u32 max_tx_rate;
+ __u32 mc_promisc;
};
#endif /* _LINUX_IF_LINK_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d115256..fd15d87 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -870,6 +870,7 @@ typedef u16 (*select_queue_fallback_t)(struct net_device
*dev,
* int (*ndo_set_vf_rate)(struct net_device *dev, int vf, int min_tx_rate,
* int max_tx_rate);
* int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, bool setting);
+ * int (*ndo_set_vf_mc_promisc)(struct net_device *dev, int vf, bool setting);
* int (*ndo_get_vf_config)(struct net_device *dev,
* int vf, struct ifla_vf_info *ivf);
* int (*ndo_set_vf_link_state)(struct net_device *dev, int vf, int
link_state);
@@ -1086,6 +1087,8 @@ struct net_device_ops {
int max_tx_rate);
int (*ndo_set_vf_spoofchk)(struct net_device *dev,
int vf, bool setting);
+ int (*ndo_set_vf_mc_promisc)(struct net_device *dev,
+ int vf, bool setting);
int (*ndo_get_vf_config)(struct net_device *dev,
int vf,
struct ifla_vf_info *ivf);
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 0deee3e..d7dc39c 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -458,6 +458,7 @@ enum {
IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */
IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */
IFLA_VF_RATE, /* Min and Max TX Bandwidth Allocation */
+ IFLA_VF_MC_PROMISC, /* Multicast Promiscuous allow/disallow */
__IFLA_VF_MAX,
};
@@ -502,6 +503,11 @@ struct ifla_vf_link_state {
__u32 link_state;
};
+struct ifla_vf_mc_promisc {
+ __u32 vf;
+ __u32 setting;
+};
+
/* VF ports management section
*
* Nested layout of set/get msg is:
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5be499b..b668e96 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -818,7 +818,8 @@ static inline int rtnl_vfinfo_size(const struct net_device
*dev,
nla_total_size(sizeof(struct ifla_vf_vlan)) +
nla_total_size(sizeof(struct ifla_vf_spoofchk)) +
nla_total_size(sizeof(struct ifla_vf_rate)) +
- nla_total_size(sizeof(struct ifla_vf_link_state)));
+ nla_total_size(sizeof(struct ifla_vf_link_state)) +
+ nla_total_size(sizeof(struct ifla_vf_mc_promisc)));
return size;
} else
return 0;
@@ -1111,6 +1112,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct
net_device *dev,
struct ifla_vf_tx_rate vf_tx_rate;
struct ifla_vf_spoofchk vf_spoofchk;
struct ifla_vf_link_state vf_linkstate;
+ struct ifla_vf_mc_promisc vf_mc_promisc;
/*
* Not all SR-IOV capable drivers support the
@@ -1119,6 +1121,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct
net_device *dev,
* report anything.
*/
ivi.spoofchk = -1;
+ ivi.mc_promisc = -1;
memset(ivi.mac, 0, sizeof(ivi.mac));
/* The default value for VF link state is "auto"
* IFLA_VF_LINK_STATE_AUTO which equals zero
@@ -1131,7 +1134,8 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct
net_device *dev,
vf_rate.vf =
vf_tx_rate.vf =
vf_spoofchk.vf =
- vf_linkstate.vf = ivi.vf;
+ vf_linkstate.vf =
+ vf_mc_promisc.vf = ivi.vf;
memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
vf_vlan.vlan = ivi.vlan;
@@ -1140,6 +1144,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct
net_device *dev,
vf_rate.min_tx_rate = ivi.min_tx_rate;
vf_rate.max_tx_rate = ivi.max_tx_rate;
vf_spoofchk.setting = ivi.spoofchk;
+ vf_mc_promisc.setting = ivi.mc_promisc;
vf_linkstate.link_state = ivi.linkstate;
vf = nla_nest_start(skb, IFLA_VF_INFO);
if (!vf) {
@@ -1481,6 +1486,15 @@ static int do_setvfinfo(struct net_device *dev, struct
nlattr *attr)
ivl->link_state);
break;
}
+ case IFLA_VF_MC_PROMISC: {
+ struct ifla_vf_mc_promisc *ivm;
+ ivm = nla_data(vf);
+ err = -EOPNOTSUPP;
+ if (ops->ndo_set_vf_mc_promisc)
+ err = ops->ndo_set_vf_mc_promisc(dev, ivm->vf,
+ ivm->setting);
+ break;
+ }
default:
err = -EINVAL;
break;
--
2.1.0
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