Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:
 "Another merge window, another pull full of stuff:

   1) Support alternative names for network devices, from Jiri Pirko.

   2) Introduce per-netns netdev notifiers, also from Jiri Pirko.

   3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
      Larsen.

   4) Allow compiling out the TLS TOE code, from Jakub Kicinski.

   5) Add several new tracepoints to the kTLS code, also from Jakub.

   6) Support set channels ethtool callback in ena driver, from Sameeh
      Jubran.

   7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
      SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.

   8) Add XDP support to mvneta driver, from Lorenzo Bianconi.

   9) Lots of netfilter hw offload fixes, cleanups and enhancements,
      from Pablo Neira Ayuso.

  10) PTP support for aquantia chips, from Egor Pomozov.

  11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
      Josh Hunt.

  12) Add smart nagle to tipc, from Jon Maloy.

  13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
      Duvvuru.

  14) Add a flow mask cache to OVS, from Tonghao Zhang.

  15) Add XDP support to ice driver, from Maciej Fijalkowski.

  16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.

  17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.

  18) Support it in stmmac driver too, from Jose Abreu.

  19) Support TIPC encryption and auth, from Tuong Lien.

  20) Introduce BPF trampolines, from Alexei Starovoitov.

  21) Make page_pool API more numa friendly, from Saeed Mahameed.

  22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.

  23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
  libbpf: Fix usage of u32 in userspace code
  mm: Implement no-MMU variant of vmalloc_user_node_flags
  slip: Fix use-after-free Read in slip_open
  net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
  macvlan: schedule bc_work even if error
  enetc: add support Credit Based Shaper(CBS) for hardware offload
  net: phy: add helpers phy_(un)lock_mdio_bus
  mdio_bus: don't use managed reset-controller
  ax88179_178a: add ethtool_op_get_ts_info()
  mlxsw: spectrum_router: Fix use of uninitialized adjacency index
  mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
  bpf: Simplify __bpf_arch_text_poke poke type handling
  bpf: Introduce BPF_TRACE_x helper for the tracing tests
  bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
  bpf, testing: Add various tail call test cases
  bpf, x86: Emit patchable direct jump as tail call
  bpf: Constant map key tracking for prog array pokes
  bpf: Add poke dependency tracking for prog array maps
  bpf: Add initial poke descriptor table for jit images
  bpf: Move owner type, jited info into array auxiliary data
  ...

1 files changed, 38 insertions, 8 deletions

diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 683d00837693..0683788bbef0 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -38,6 +38,8 @@
 #include <net/tcp.h>
 #include <net/tls.h>
 
+#include "trace.h"
+
 /* device_offload_lock is used to synchronize tls_dev_add
  * against NETDEV_DOWN notifications.
  */
@@ -202,6 +204,15 @@ void tls_device_free_resources_tx(struct sock *sk)
 	tls_free_partial_record(sk, tls_ctx);
 }
 
+void tls_offload_tx_resync_request(struct sock *sk, u32 got_seq, u32 exp_seq)
+{
+	struct tls_context *tls_ctx = tls_get_ctx(sk);
+
+	trace_tls_device_tx_resync_req(sk, got_seq, exp_seq);
+	WARN_ON(test_and_set_bit(TLS_TX_SYNC_SCHED, &tls_ctx->flags));
+}
+EXPORT_SYMBOL_GPL(tls_offload_tx_resync_request);
+
 static void tls_device_resync_tx(struct sock *sk, struct tls_context *tls_ctx,
 				 u32 seq)
 {
@@ -216,6 +227,7 @@ static void tls_device_resync_tx(struct sock *sk, struct tls_context *tls_ctx,
 
 	rcd_sn = tls_ctx->tx.rec_seq;
 
+	trace_tls_device_tx_resync_send(sk, seq, rcd_sn);
 	down_read(&device_offload_lock);
 	netdev = tls_ctx->netdev;
 	if (netdev)
@@ -419,7 +431,7 @@ static int tls_push_data(struct sock *sk,
 	    ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SENDPAGE_NOTLAST))
 		return -ENOTSUPP;
 
-	if (sk->sk_err)
+	if (unlikely(sk->sk_err))
 		return -sk->sk_err;
 
 	flags |= MSG_SENDPAGE_DECRYPTED;
@@ -440,9 +452,8 @@ static int tls_push_data(struct sock *sk,
 	max_open_record_len = TLS_MAX_PAYLOAD_SIZE +
 			      prot->prepend_size;
 	do {
-		rc = tls_do_allocation(sk, ctx, pfrag,
-				       prot->prepend_size);
-		if (rc) {
+		rc = tls_do_allocation(sk, ctx, pfrag, prot->prepend_size);
+		if (unlikely(rc)) {
 			rc = sk_stream_wait_memory(sk, &timeo);
 			if (!rc)
 				continue;
@@ -645,15 +656,19 @@ void tls_device_write_space(struct sock *sk, struct tls_context *ctx)
 static void tls_device_resync_rx(struct tls_context *tls_ctx,
 				 struct sock *sk, u32 seq, u8 *rcd_sn)
 {
+	struct tls_offload_context_rx *rx_ctx = tls_offload_ctx_rx(tls_ctx);
 	struct net_device *netdev;
 
 	if (WARN_ON(test_and_set_bit(TLS_RX_SYNC_RUNNING, &tls_ctx->flags)))
 		return;
+
+	trace_tls_device_rx_resync_send(sk, seq, rcd_sn, rx_ctx->resync_type);
 	netdev = READ_ONCE(tls_ctx->netdev);
 	if (netdev)
 		netdev->tlsdev_ops->tls_dev_resync(netdev, sk, seq, rcd_sn,
 						   TLS_OFFLOAD_CTX_DIR_RX);
 	clear_bit_unlock(TLS_RX_SYNC_RUNNING, &tls_ctx->flags);
+	TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSRXDEVICERESYNC);
 }
 
 void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq)
@@ -661,8 +676,8 @@ void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq)
 	struct tls_context *tls_ctx = tls_get_ctx(sk);
 	struct tls_offload_context_rx *rx_ctx;
 	u8 rcd_sn[TLS_MAX_REC_SEQ_SIZE];
+	u32 sock_data, is_req_pending;
 	struct tls_prot_info *prot;
-	u32 is_req_pending;
 	s64 resync_req;
 	u32 req_seq;
 
@@ -691,8 +706,12 @@ void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq)
 		/* head of next rec is already in, note that the sock_inq will
 		 * include the currently parsed message when called from parser
 		 */
-		if (tcp_inq(sk) > rcd_len)
+		sock_data = tcp_inq(sk);
+		if (sock_data > rcd_len) {
+			trace_tls_device_rx_resync_nh_delay(sk, sock_data,
+							    rcd_len);
 			return;
+		}
 
 		rx_ctx->resync_nh_do_now = 0;
 		seq += rcd_len;
@@ -736,6 +755,7 @@ static void tls_device_core_ctrl_rx_resync(struct tls_context *tls_ctx,
 
 	/* head of next rec is already in, parser will sync for us */
 	if (tcp_inq(sk) > rxm->full_len) {
+		trace_tls_device_rx_resync_nh_schedule(sk);
 		ctx->resync_nh_do_now = 1;
 	} else {
 		struct tls_prot_info *prot = &tls_ctx->prot_info;
@@ -834,9 +854,9 @@ free_buf:
 	return err;
 }
 
-int tls_device_decrypted(struct sock *sk, struct sk_buff *skb)
+int tls_device_decrypted(struct sock *sk, struct tls_context *tls_ctx,
+			 struct sk_buff *skb, struct strp_msg *rxm)
 {
-	struct tls_context *tls_ctx = tls_get_ctx(sk);
 	struct tls_offload_context_rx *ctx = tls_offload_ctx_rx(tls_ctx);
 	int is_decrypted = skb->decrypted;
 	int is_encrypted = !is_decrypted;
@@ -848,6 +868,10 @@ int tls_device_decrypted(struct sock *sk, struct sk_buff *skb)
 		is_encrypted &= !skb_iter->decrypted;
 	}
 
+	trace_tls_device_decrypted(sk, tcp_sk(sk)->copied_seq - rxm->full_len,
+				   tls_ctx->rx.rec_seq, rxm->full_len,
+				   is_encrypted, is_decrypted);
+
 	ctx->sw.decrypted |= is_decrypted;
 
 	/* Return immediately if the record is either entirely plaintext or
@@ -1021,6 +1045,8 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
 	rc = netdev->tlsdev_ops->tls_dev_add(netdev, sk, TLS_OFFLOAD_CTX_DIR_TX,
 					     &ctx->crypto_send.info,
 					     tcp_sk(sk)->write_seq);
+	trace_tls_device_offload_set(sk, TLS_OFFLOAD_CTX_DIR_TX,
+				     tcp_sk(sk)->write_seq, rec_seq, rc);
 	if (rc)
 		goto release_lock;
 
@@ -1057,6 +1083,7 @@ free_marker_record:
 
 int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx)
 {
+	struct tls12_crypto_info_aes_gcm_128 *info;
 	struct tls_offload_context_rx *context;
 	struct net_device *netdev;
 	int rc = 0;
@@ -1104,6 +1131,9 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx)
 	rc = netdev->tlsdev_ops->tls_dev_add(netdev, sk, TLS_OFFLOAD_CTX_DIR_RX,
 					     &ctx->crypto_recv.info,
 					     tcp_sk(sk)->copied_seq);
+	info = (void *)&ctx->crypto_recv.info;
+	trace_tls_device_offload_set(sk, TLS_OFFLOAD_CTX_DIR_RX,
+				     tcp_sk(sk)->copied_seq, info->rec_seq, rc);
 	if (rc)
 		goto free_sw_resources;