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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-09-02 21:31:02 -0700
committerDavid S. Miller <davem@davemloft.net>2019-09-05 09:49:49 +0200
commitbe7bbea114d6ab2688b9e59cd24a306d21e51c27 (patch)
tree1585feda67d276a914496cd40f4de11b95528006 /net/tls/tls_main.c
parent842841ece540f7d7739bec3e9b79bdf9669d77d7 (diff)
downloadlwn-be7bbea114d6ab2688b9e59cd24a306d21e51c27.tar.gz
lwn-be7bbea114d6ab2688b9e59cd24a306d21e51c27.zip
net/tls: use the full sk_proto pointer
Since we already have the pointer to the full original sk_proto stored use that instead of storing all individual callback pointers as well. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls/tls_main.c')
-rw-r--r--net/tls/tls_main.c27
1 files changed, 10 insertions, 17 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 277f7c209fed..2df1ae8b77fa 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -331,7 +331,7 @@ static void tls_sk_proto_close(struct sock *sk, long timeout)
tls_sw_strparser_done(ctx);
if (ctx->rx_conf == TLS_SW)
tls_sw_free_ctx_rx(ctx);
- ctx->sk_proto_close(sk, timeout);
+ ctx->sk_proto->close(sk, timeout);
if (free_ctx)
tls_ctx_free(sk, ctx);
@@ -451,7 +451,8 @@ static int tls_getsockopt(struct sock *sk, int level, int optname,
struct tls_context *ctx = tls_get_ctx(sk);
if (level != SOL_TLS)
- return ctx->getsockopt(sk, level, optname, optval, optlen);
+ return ctx->sk_proto->getsockopt(sk, level,
+ optname, optval, optlen);
return do_tls_getsockopt(sk, optname, optval, optlen);
}
@@ -609,7 +610,8 @@ static int tls_setsockopt(struct sock *sk, int level, int optname,
struct tls_context *ctx = tls_get_ctx(sk);
if (level != SOL_TLS)
- return ctx->setsockopt(sk, level, optname, optval, optlen);
+ return ctx->sk_proto->setsockopt(sk, level, optname, optval,
+ optlen);
return do_tls_setsockopt(sk, optname, optval, optlen);
}
@@ -624,10 +626,7 @@ static struct tls_context *create_ctx(struct sock *sk)
return NULL;
rcu_assign_pointer(icsk->icsk_ulp_data, ctx);
- ctx->setsockopt = sk->sk_prot->setsockopt;
- ctx->getsockopt = sk->sk_prot->getsockopt;
- ctx->sk_proto_close = sk->sk_prot->close;
- ctx->unhash = sk->sk_prot->unhash;
+ ctx->sk_proto = sk->sk_prot;
return ctx;
}
@@ -683,9 +682,6 @@ static int tls_hw_prot(struct sock *sk)
spin_unlock_bh(&device_spinlock);
tls_build_proto(sk);
- ctx->hash = sk->sk_prot->hash;
- ctx->unhash = sk->sk_prot->unhash;
- ctx->sk_proto_close = sk->sk_prot->close;
ctx->sk_destruct = sk->sk_destruct;
sk->sk_destruct = tls_hw_sk_destruct;
ctx->rx_conf = TLS_HW_RECORD;
@@ -717,7 +713,7 @@ static void tls_hw_unhash(struct sock *sk)
}
}
spin_unlock_bh(&device_spinlock);
- ctx->unhash(sk);
+ ctx->sk_proto->unhash(sk);
}
static int tls_hw_hash(struct sock *sk)
@@ -726,7 +722,7 @@ static int tls_hw_hash(struct sock *sk)
struct tls_device *dev;
int err;
- err = ctx->hash(sk);
+ err = ctx->sk_proto->hash(sk);
spin_lock_bh(&device_spinlock);
list_for_each_entry(dev, &device_list, dev_list) {
if (dev->hash) {
@@ -816,7 +812,6 @@ static int tls_init(struct sock *sk)
ctx->tx_conf = TLS_BASE;
ctx->rx_conf = TLS_BASE;
- ctx->sk_proto = sk->sk_prot;
update_sk_prot(sk, ctx);
out:
write_unlock_bh(&sk->sk_callback_lock);
@@ -828,12 +823,10 @@ static void tls_update(struct sock *sk, struct proto *p)
struct tls_context *ctx;
ctx = tls_get_ctx(sk);
- if (likely(ctx)) {
- ctx->sk_proto_close = p->close;
+ if (likely(ctx))
ctx->sk_proto = p;
- } else {
+ else
sk->sk_prot = p;
- }
}
static int tls_get_info(const struct sock *sk, struct sk_buff *skb)