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-rw-r--r--include/linux/netdevice.h119
1 files changed, 72 insertions, 47 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4bd177faa90c..88a00694eda5 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1240,13 +1240,8 @@ struct net_device_ops {
*
* @IFF_802_1Q_VLAN: 802.1Q VLAN device
* @IFF_EBRIDGE: Ethernet bridging device
- * @IFF_SLAVE_INACTIVE: bonding slave not the curr. active
- * @IFF_MASTER_8023AD: bonding master, 802.3ad
- * @IFF_MASTER_ALB: bonding master, balance-alb
* @IFF_BONDING: bonding master or slave
- * @IFF_SLAVE_NEEDARP: need ARPs for validation
* @IFF_ISATAP: ISATAP interface (RFC4214)
- * @IFF_MASTER_ARPMON: bonding master, ARP mon in use
* @IFF_WAN_HDLC: WAN HDLC device
* @IFF_XMIT_DST_RELEASE: dev_hard_start_xmit() is allowed to
* release skb->dst
@@ -1264,46 +1259,38 @@ struct net_device_ops {
* @IFF_MACVLAN: Macvlan device
* @IFF_VRF_MASTER: device is a VRF master
* @IFF_NO_QUEUE: device can run without qdisc attached
+ * @IFF_OPENVSWITCH: device is a Open vSwitch master
*/
enum netdev_priv_flags {
IFF_802_1Q_VLAN = 1<<0,
IFF_EBRIDGE = 1<<1,
- IFF_SLAVE_INACTIVE = 1<<2,
- IFF_MASTER_8023AD = 1<<3,
- IFF_MASTER_ALB = 1<<4,
- IFF_BONDING = 1<<5,
- IFF_SLAVE_NEEDARP = 1<<6,
- IFF_ISATAP = 1<<7,
- IFF_MASTER_ARPMON = 1<<8,
- IFF_WAN_HDLC = 1<<9,
- IFF_XMIT_DST_RELEASE = 1<<10,
- IFF_DONT_BRIDGE = 1<<11,
- IFF_DISABLE_NETPOLL = 1<<12,
- IFF_MACVLAN_PORT = 1<<13,
- IFF_BRIDGE_PORT = 1<<14,
- IFF_OVS_DATAPATH = 1<<15,
- IFF_TX_SKB_SHARING = 1<<16,
- IFF_UNICAST_FLT = 1<<17,
- IFF_TEAM_PORT = 1<<18,
- IFF_SUPP_NOFCS = 1<<19,
- IFF_LIVE_ADDR_CHANGE = 1<<20,
- IFF_MACVLAN = 1<<21,
- IFF_XMIT_DST_RELEASE_PERM = 1<<22,
- IFF_IPVLAN_MASTER = 1<<23,
- IFF_IPVLAN_SLAVE = 1<<24,
- IFF_VRF_MASTER = 1<<25,
- IFF_NO_QUEUE = 1<<26,
+ IFF_BONDING = 1<<2,
+ IFF_ISATAP = 1<<3,
+ IFF_WAN_HDLC = 1<<4,
+ IFF_XMIT_DST_RELEASE = 1<<5,
+ IFF_DONT_BRIDGE = 1<<6,
+ IFF_DISABLE_NETPOLL = 1<<7,
+ IFF_MACVLAN_PORT = 1<<8,
+ IFF_BRIDGE_PORT = 1<<9,
+ IFF_OVS_DATAPATH = 1<<10,
+ IFF_TX_SKB_SHARING = 1<<11,
+ IFF_UNICAST_FLT = 1<<12,
+ IFF_TEAM_PORT = 1<<13,
+ IFF_SUPP_NOFCS = 1<<14,
+ IFF_LIVE_ADDR_CHANGE = 1<<15,
+ IFF_MACVLAN = 1<<16,
+ IFF_XMIT_DST_RELEASE_PERM = 1<<17,
+ IFF_IPVLAN_MASTER = 1<<18,
+ IFF_IPVLAN_SLAVE = 1<<19,
+ IFF_VRF_MASTER = 1<<20,
+ IFF_NO_QUEUE = 1<<21,
+ IFF_OPENVSWITCH = 1<<22,
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
#define IFF_EBRIDGE IFF_EBRIDGE
-#define IFF_SLAVE_INACTIVE IFF_SLAVE_INACTIVE
-#define IFF_MASTER_8023AD IFF_MASTER_8023AD
-#define IFF_MASTER_ALB IFF_MASTER_ALB
#define IFF_BONDING IFF_BONDING
-#define IFF_SLAVE_NEEDARP IFF_SLAVE_NEEDARP
#define IFF_ISATAP IFF_ISATAP
-#define IFF_MASTER_ARPMON IFF_MASTER_ARPMON
#define IFF_WAN_HDLC IFF_WAN_HDLC
#define IFF_XMIT_DST_RELEASE IFF_XMIT_DST_RELEASE
#define IFF_DONT_BRIDGE IFF_DONT_BRIDGE
@@ -1322,6 +1309,7 @@ enum netdev_priv_flags {
#define IFF_IPVLAN_SLAVE IFF_IPVLAN_SLAVE
#define IFF_VRF_MASTER IFF_VRF_MASTER
#define IFF_NO_QUEUE IFF_NO_QUEUE
+#define IFF_OPENVSWITCH IFF_OPENVSWITCH
/**
* struct net_device - The DEVICE structure.
@@ -2127,6 +2115,13 @@ struct netdev_notifier_change_info {
unsigned int flags_changed;
};
+struct netdev_notifier_changeupper_info {
+ struct netdev_notifier_info info; /* must be first */
+ struct net_device *upper_dev; /* new upper dev */
+ bool master; /* is upper dev master */
+ bool linking; /* is the nofication for link or unlink */
+};
+
static inline void netdev_notifier_info_init(struct netdev_notifier_info *info,
struct net_device *dev)
{
@@ -2311,8 +2306,7 @@ __sum16 __skb_gro_checksum_complete(struct sk_buff *skb);
static inline bool skb_at_gro_remcsum_start(struct sk_buff *skb)
{
- return (NAPI_GRO_CB(skb)->gro_remcsum_start - skb_headroom(skb) ==
- skb_gro_offset(skb));
+ return (NAPI_GRO_CB(skb)->gro_remcsum_start == skb_gro_offset(skb));
}
static inline bool __skb_gro_checksum_validate_needed(struct sk_buff *skb,
@@ -2408,37 +2402,58 @@ static inline void skb_gro_remcsum_init(struct gro_remcsum *grc)
grc->delta = 0;
}
-static inline void skb_gro_remcsum_process(struct sk_buff *skb, void *ptr,
- int start, int offset,
- struct gro_remcsum *grc,
- bool nopartial)
+static inline void *skb_gro_remcsum_process(struct sk_buff *skb, void *ptr,
+ unsigned int off, size_t hdrlen,
+ int start, int offset,
+ struct gro_remcsum *grc,
+ bool nopartial)
{
__wsum delta;
+ size_t plen = hdrlen + max_t(size_t, offset + sizeof(u16), start);
BUG_ON(!NAPI_GRO_CB(skb)->csum_valid);
if (!nopartial) {
- NAPI_GRO_CB(skb)->gro_remcsum_start =
- ((unsigned char *)ptr + start) - skb->head;
- return;
+ NAPI_GRO_CB(skb)->gro_remcsum_start = off + hdrlen + start;
+ return ptr;
}
- delta = remcsum_adjust(ptr, NAPI_GRO_CB(skb)->csum, start, offset);
+ ptr = skb_gro_header_fast(skb, off);
+ if (skb_gro_header_hard(skb, off + plen)) {
+ ptr = skb_gro_header_slow(skb, off + plen, off);
+ if (!ptr)
+ return NULL;
+ }
+
+ delta = remcsum_adjust(ptr + hdrlen, NAPI_GRO_CB(skb)->csum,
+ start, offset);
/* Adjust skb->csum since we changed the packet */
NAPI_GRO_CB(skb)->csum = csum_add(NAPI_GRO_CB(skb)->csum, delta);
- grc->offset = (ptr + offset) - (void *)skb->head;
+ grc->offset = off + hdrlen + offset;
grc->delta = delta;
+
+ return ptr;
}
static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb,
struct gro_remcsum *grc)
{
+ void *ptr;
+ size_t plen = grc->offset + sizeof(u16);
+
if (!grc->delta)
return;
- remcsum_unadjust((__sum16 *)(skb->head + grc->offset), grc->delta);
+ ptr = skb_gro_header_fast(skb, grc->offset);
+ if (skb_gro_header_hard(skb, grc->offset + sizeof(u16))) {
+ ptr = skb_gro_header_slow(skb, plen, grc->offset);
+ if (!ptr)
+ return;
+ }
+
+ remcsum_unadjust((__sum16 *)ptr, grc->delta);
}
static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
@@ -3821,6 +3836,16 @@ static inline bool netif_is_vrf(const struct net_device *dev)
return dev->priv_flags & IFF_VRF_MASTER;
}
+static inline bool netif_is_bridge_master(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_EBRIDGE;
+}
+
+static inline bool netif_is_ovs_master(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_OPENVSWITCH;
+}
+
static inline bool netif_index_is_vrf(struct net *net, int ifindex)
{
bool rc = false;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.