diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/espintcp.h | 1 | ||||
| -rw-r--r-- | include/net/ip_fib.h | 12 | ||||
| -rw-r--r-- | include/net/nexthop.h | 100 | ||||
| -rw-r--r-- | include/net/tls.h | 4 |
4 files changed, 101 insertions, 16 deletions
diff --git a/include/net/espintcp.h b/include/net/espintcp.h index dd7026a00066..0335bbd76552 100644 --- a/include/net/espintcp.h +++ b/include/net/espintcp.h @@ -25,6 +25,7 @@ struct espintcp_ctx { struct espintcp_msg partial; void (*saved_data_ready)(struct sock *sk); void (*saved_write_space)(struct sock *sk); + void (*saved_destruct)(struct sock *sk); struct work_struct work; bool tx_running; }; diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index b219a8fe0950..2ec062aaa978 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -447,6 +447,16 @@ static inline int fib_num_tclassid_users(struct net *net) #endif int fib_unmerge(struct net *net); +static inline bool nhc_l3mdev_matches_dev(const struct fib_nh_common *nhc, +const struct net_device *dev) +{ + if (nhc->nhc_dev == dev || + l3mdev_master_ifindex_rcu(nhc->nhc_dev) == dev->ifindex) + return true; + + return false; +} + /* Exported by fib_semantics.c */ int ip_fib_check_default(__be32 gw, struct net_device *dev); int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force); @@ -479,6 +489,8 @@ void fib_nh_common_release(struct fib_nh_common *nhc); void fib_alias_hw_flags_set(struct net *net, const struct fib_rt_info *fri); void fib_trie_init(void); struct fib_table *fib_trie_table(u32 id, struct fib_table *alias); +bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags, + const struct flowi4 *flp); static inline void fib_combine_itag(u32 *itag, const struct fib_result *res) { diff --git a/include/net/nexthop.h b/include/net/nexthop.h index 4c951680f6f9..e4b55b43e907 100644 --- a/include/net/nexthop.h +++ b/include/net/nexthop.h @@ -73,6 +73,7 @@ struct nh_grp_entry { }; struct nh_group { + struct nh_group *spare; /* spare group for removals */ u16 num_nh; bool mpath; bool has_v4; @@ -152,21 +153,20 @@ static inline unsigned int nexthop_num_path(const struct nexthop *nh) { unsigned int rc = 1; - if (nexthop_is_multipath(nh)) { + if (nh->is_group) { struct nh_group *nh_grp; nh_grp = rcu_dereference_rtnl(nh->nh_grp); - rc = nh_grp->num_nh; + if (nh_grp->mpath) + rc = nh_grp->num_nh; } return rc; } static inline -struct nexthop *nexthop_mpath_select(const struct nexthop *nh, int nhsel) +struct nexthop *nexthop_mpath_select(const struct nh_group *nhg, int nhsel) { - const struct nh_group *nhg = rcu_dereference_rtnl(nh->nh_grp); - /* for_nexthops macros in fib_semantics.c grabs a pointer to * the nexthop before checking nhsel */ @@ -201,12 +201,14 @@ static inline bool nexthop_is_blackhole(const struct nexthop *nh) { const struct nh_info *nhi; - if (nexthop_is_multipath(nh)) { - if (nexthop_num_path(nh) > 1) - return false; - nh = nexthop_mpath_select(nh, 0); - if (!nh) + if (nh->is_group) { + struct nh_group *nh_grp; + + nh_grp = rcu_dereference_rtnl(nh->nh_grp); + if (nh_grp->num_nh > 1) return false; + + nh = nh_grp->nh_entries[0].nh; } nhi = rcu_dereference_rtnl(nh->nh_info); @@ -232,16 +234,79 @@ struct fib_nh_common *nexthop_fib_nhc(struct nexthop *nh, int nhsel) BUILD_BUG_ON(offsetof(struct fib_nh, nh_common) != 0); BUILD_BUG_ON(offsetof(struct fib6_nh, nh_common) != 0); - if (nexthop_is_multipath(nh)) { - nh = nexthop_mpath_select(nh, nhsel); - if (!nh) - return NULL; + if (nh->is_group) { + struct nh_group *nh_grp; + + nh_grp = rcu_dereference_rtnl(nh->nh_grp); + if (nh_grp->mpath) { + nh = nexthop_mpath_select(nh_grp, nhsel); + if (!nh) + return NULL; + } } nhi = rcu_dereference_rtnl(nh->nh_info); return &nhi->fib_nhc; } +/* called from fib_table_lookup with rcu_lock */ +static inline +struct fib_nh_common *nexthop_get_nhc_lookup(const struct nexthop *nh, + int fib_flags, + const struct flowi4 *flp, + int *nhsel) +{ + struct nh_info *nhi; + + if (nh->is_group) { + struct nh_group *nhg = rcu_dereference(nh->nh_grp); + int i; + + for (i = 0; i < nhg->num_nh; i++) { + struct nexthop *nhe = nhg->nh_entries[i].nh; + + nhi = rcu_dereference(nhe->nh_info); + if (fib_lookup_good_nhc(&nhi->fib_nhc, fib_flags, flp)) { + *nhsel = i; + return &nhi->fib_nhc; + } + } + } else { + nhi = rcu_dereference(nh->nh_info); + if (fib_lookup_good_nhc(&nhi->fib_nhc, fib_flags, flp)) { + *nhsel = 0; + return &nhi->fib_nhc; + } + } + + return NULL; +} + +static inline bool nexthop_uses_dev(const struct nexthop *nh, + const struct net_device *dev) +{ + struct nh_info *nhi; + + if (nh->is_group) { + struct nh_group *nhg = rcu_dereference(nh->nh_grp); + int i; + + for (i = 0; i < nhg->num_nh; i++) { + struct nexthop *nhe = nhg->nh_entries[i].nh; + + nhi = rcu_dereference(nhe->nh_info); + if (nhc_l3mdev_matches_dev(&nhi->fib_nhc, dev)) + return true; + } + } else { + nhi = rcu_dereference(nh->nh_info); + if (nhc_l3mdev_matches_dev(&nhi->fib_nhc, dev)) + return true; + } + + return false; +} + static inline unsigned int fib_info_num_path(const struct fib_info *fi) { if (unlikely(fi->nh)) @@ -279,8 +344,11 @@ static inline struct fib6_nh *nexthop_fib6_nh(struct nexthop *nh) { struct nh_info *nhi; - if (nexthop_is_multipath(nh)) { - nh = nexthop_mpath_select(nh, 0); + if (nh->is_group) { + struct nh_group *nh_grp; + + nh_grp = rcu_dereference_rtnl(nh->nh_grp); + nh = nexthop_mpath_select(nh_grp, 0); if (!nh) return NULL; } diff --git a/include/net/tls.h b/include/net/tls.h index cf9ec152fbb7..3e7b44cae0d9 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -135,6 +135,8 @@ struct tls_sw_context_tx { struct tls_rec *open_rec; struct list_head tx_list; atomic_t encrypt_pending; + /* protect crypto_wait with encrypt_pending */ + spinlock_t encrypt_compl_lock; int async_notify; u8 async_capable:1; @@ -155,6 +157,8 @@ struct tls_sw_context_rx { u8 async_capable:1; u8 decrypted:1; atomic_t decrypt_pending; + /* protect crypto_wait with decrypt_pending*/ + spinlock_t decrypt_compl_lock; bool async_notify; }; |