diff options
| author | Dirk van der Merwe <dirk.vandermerwe@netronome.com> | 2019-06-10 21:40:06 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-11 12:22:27 -0700 |
| commit | cad228a3760c1a6314cfdd4cd250626f3d72d670 (patch) | |
| tree | f52babba5db1f0822b40e44f38b98114d88bdc76 | |
| parent | e2c7114a12363eef7c3104ce223a0084d1800458 (diff) | |
nfp: tls: implement RX TLS resync
Enable kernel-controlled RX resync and propagate TLS connection
RX resync from kernel TLS to firmware.
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/crypto/tls.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/crypto/tls.c b/drivers/net/ethernet/netronome/nfp/crypto/tls.c index b7d7317d71d1..eebaf5e1621d 100644 --- a/drivers/net/ethernet/netronome/nfp/crypto/tls.c +++ b/drivers/net/ethernet/netronome/nfp/crypto/tls.c @@ -344,6 +344,11 @@ nfp_net_tls_add(struct net_device *netdev, struct sock *sk, ntls->next_seq = start_offload_tcp_sn; dev_consume_skb_any(skb); + if (direction == TLS_OFFLOAD_CTX_DIR_TX) + return 0; + + tls_offload_rx_resync_set_type(sk, + TLS_OFFLOAD_SYNC_TYPE_CORE_NEXT_HINT); return 0; err_fw_remove: @@ -368,9 +373,36 @@ nfp_net_tls_del(struct net_device *netdev, struct tls_context *tls_ctx, nfp_net_tls_del_fw(nn, ntls->fw_handle); } +static void +nfp_net_tls_resync_rx(struct net_device *netdev, struct sock *sk, u32 seq, + u8 *rcd_sn) +{ + struct nfp_net *nn = netdev_priv(netdev); + struct nfp_net_tls_offload_ctx *ntls; + struct nfp_crypto_req_update *req; + struct sk_buff *skb; + + skb = nfp_net_tls_alloc_simple(nn, sizeof(*req), GFP_ATOMIC); + if (!skb) + return; + + ntls = tls_driver_ctx(sk, TLS_OFFLOAD_CTX_DIR_RX); + req = (void *)skb->data; + req->ep_id = 0; + req->opcode = NFP_NET_CRYPTO_OP_TLS_1_2_AES_GCM_128_DEC; + memset(req->resv, 0, sizeof(req->resv)); + memcpy(req->handle, ntls->fw_handle, sizeof(ntls->fw_handle)); + req->tcp_seq = cpu_to_be32(seq); + memcpy(req->rec_no, rcd_sn, sizeof(req->rec_no)); + + nfp_ccm_mbox_post(nn, skb, NFP_CCM_TYPE_CRYPTO_UPDATE, + sizeof(struct nfp_crypto_reply_simple)); +} + static const struct tlsdev_ops nfp_net_tls_ops = { .tls_dev_add = nfp_net_tls_add, .tls_dev_del = nfp_net_tls_del, + .tls_dev_resync_rx = nfp_net_tls_resync_rx, }; static int nfp_net_tls_reset(struct nfp_net *nn) |