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| author | David S. Miller <davem@davemloft.net> | 2016-01-06 22:54:18 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-06 22:54:18 -0500 |
| commit | 9e0efaf6b41bf22c2eb81258fc2a6f1538a643e5 (patch) | |
| tree | e2daa5fb47f707f44b6b7e9da82a6d8017af3f8c /include | |
| parent | c7f5d105495a38ed09e70d825f75d9d7d5407264 (diff) | |
| parent | 51cb67c0b0fcb91581b15bd2e85f29af4d4b2df6 (diff) | |
| download | linux-9e0efaf6b41bf22c2eb81258fc2a6f1538a643e5.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/filter.h | 19 | ||||
| -rw-r--r-- | include/net/l3mdev.h | 16 | ||||
| -rw-r--r-- | include/net/route.h | 7 |
3 files changed, 35 insertions, 7 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index 294c3cdf07b3..f5b5891ed1ba 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -495,6 +495,25 @@ static inline void bpf_jit_free(struct bpf_prog *fp) #define BPF_ANC BIT(15) +static inline bool bpf_needs_clear_a(const struct sock_filter *first) +{ + switch (first->code) { + case BPF_RET | BPF_K: + case BPF_LD | BPF_W | BPF_LEN: + return false; + + case BPF_LD | BPF_W | BPF_ABS: + case BPF_LD | BPF_H | BPF_ABS: + case BPF_LD | BPF_B | BPF_ABS: + if (first->k == SKF_AD_OFF + SKF_AD_ALU_XOR_X) + return true; + return false; + + default: + return true; + } +} + static inline u16 bpf_anc_helper(const struct sock_filter *ftest) { BUG_ON(ftest->code & BPF_ANC); diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 786226f8e77b..5567d46b3cff 100644 --- a/include/net/l3mdev.h +++ b/include/net/l3mdev.h @@ -29,7 +29,7 @@ struct l3mdev_ops { /* IPv4 ops */ struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev, const struct flowi4 *fl4); - void (*l3mdev_get_saddr)(struct net_device *dev, + int (*l3mdev_get_saddr)(struct net_device *dev, struct flowi4 *fl4); /* IPv6 ops */ @@ -130,10 +130,11 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) return rc; } -static inline void l3mdev_get_saddr(struct net *net, int ifindex, - struct flowi4 *fl4) +static inline int l3mdev_get_saddr(struct net *net, int ifindex, + struct flowi4 *fl4) { struct net_device *dev; + int rc = 0; if (ifindex) { @@ -142,11 +143,13 @@ static inline void l3mdev_get_saddr(struct net *net, int ifindex, dev = dev_get_by_index_rcu(net, ifindex); if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_saddr) { - dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4); + rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4); } rcu_read_unlock(); } + + return rc; } static inline struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev, @@ -223,9 +226,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) return false; } -static inline void l3mdev_get_saddr(struct net *net, int ifindex, - struct flowi4 *fl4) +static inline int l3mdev_get_saddr(struct net *net, int ifindex, + struct flowi4 *fl4) { + return 0; } static inline diff --git a/include/net/route.h b/include/net/route.h index ee81307863d5..a3b9ef74a389 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -283,7 +283,12 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4, sport, dport, sk); if (!src && oif) { - l3mdev_get_saddr(net, oif, fl4); + int rc; + + rc = l3mdev_get_saddr(net, oif, fl4); + if (rc < 0) + return ERR_PTR(rc); + src = fl4->saddr; } if (!dst || !src) { |