diff options
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/Kconfig | 24 | ||||
| -rw-r--r-- | net/xfrm/xfrm_device.c | 9 | ||||
| -rw-r--r-- | net/xfrm/xfrm_interface.c | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_output.c | 4 | ||||
| -rw-r--r-- | net/xfrm/xfrm_state.c | 6 |
5 files changed, 35 insertions, 10 deletions
diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig index b5d4a1ef04b9..5b9a5ab48111 100644 --- a/net/xfrm/Kconfig +++ b/net/xfrm/Kconfig @@ -67,6 +67,30 @@ config XFRM_STATISTICS If unsure, say N. +# This option selects XFRM_ALGO along with the AH authentication algorithms that +# RFC 8221 lists as MUST be implemented. +config XFRM_AH + tristate + select XFRM_ALGO + select CRYPTO + select CRYPTO_HMAC + select CRYPTO_SHA256 + +# This option selects XFRM_ALGO along with the ESP encryption and authentication +# algorithms that RFC 8221 lists as MUST be implemented. +config XFRM_ESP + tristate + select XFRM_ALGO + select CRYPTO + select CRYPTO_AES + select CRYPTO_AUTHENC + select CRYPTO_CBC + select CRYPTO_ECHAINIV + select CRYPTO_GCM + select CRYPTO_HMAC + select CRYPTO_SEQIV + select CRYPTO_SHA256 + config XFRM_IPCOMP tristate select XFRM_ALGO diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index b8918fc5248b..edf11893dbe8 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -109,7 +109,7 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur struct net_device *dev = skb->dev; struct sec_path *sp; - if (!xo) + if (!xo || (xo->flags & XFRM_XMIT)) return skb; if (!(features & NETIF_F_HW_ESP)) @@ -120,8 +120,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur if (xo->flags & XFRM_GRO || x->xso.flags & XFRM_OFFLOAD_INBOUND) return skb; - /* This skb was already validated on the master dev */ - if ((x->xso.dev != dev) && (x->xso.slave_dev == dev)) + /* This skb was already validated on the upper/virtual dev */ + if ((x->xso.dev != dev) && (x->xso.real_dev == dev)) return skb; local_irq_save(flags); @@ -134,6 +134,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur return skb; } + xo->flags |= XFRM_XMIT; + if (skb_is_gso(skb) && unlikely(x->xso.dev != dev)) { struct sk_buff *segs; @@ -259,6 +261,7 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, } xso->dev = dev; + xso->real_dev = dev; xso->num_exthdrs = 1; xso->flags = xuo->flags; diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c index 4c904d332007..eb8181987620 100644 --- a/net/xfrm/xfrm_interface.c +++ b/net/xfrm/xfrm_interface.c @@ -37,6 +37,7 @@ #include <net/ip.h> #include <net/ipv6.h> #include <net/ip6_route.h> +#include <net/ip_tunnels.h> #include <net/addrconf.h> #include <net/xfrm.h> #include <net/net_namespace.h> @@ -592,6 +593,7 @@ static const struct net_device_ops xfrmi_netdev_ops = { static void xfrmi_dev_setup(struct net_device *dev) { dev->netdev_ops = &xfrmi_netdev_ops; + dev->header_ops = &ip_tunnel_header_ops; dev->type = ARPHRD_NONE; dev->mtu = ETH_DATA_LEN; dev->min_mtu = ETH_MIN_MTU; diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index e4c23f69f69f..a7ab19353313 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -574,16 +574,12 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb) switch (x->outer_mode.family) { case AF_INET: memset(IPCB(skb), 0, sizeof(*IPCB(skb))); -#ifdef CONFIG_NETFILTER IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED; -#endif break; case AF_INET6: memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); -#ifdef CONFIG_NETFILTER IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED; -#endif break; } diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 8be2d926acc2..69520ad3d83b 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -2264,7 +2264,7 @@ static bool km_is_alive(const struct km_event *c) return is_alive; } -int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen) +int xfrm_user_policy(struct sock *sk, int optname, sockptr_t optval, int optlen) { int err; u8 *data; @@ -2274,7 +2274,7 @@ int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen if (in_compat_syscall()) return -EOPNOTSUPP; - if (!optval && !optlen) { + if (sockptr_is_null(optval) && !optlen) { xfrm_sk_policy_insert(sk, XFRM_POLICY_IN, NULL); xfrm_sk_policy_insert(sk, XFRM_POLICY_OUT, NULL); __sk_dst_reset(sk); @@ -2284,7 +2284,7 @@ int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen if (optlen <= 0 || optlen > PAGE_SIZE) return -EMSGSIZE; - data = memdup_user(optval, optlen); + data = memdup_sockptr(optval, optlen); if (IS_ERR(data)) return PTR_ERR(data); |