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| author | David Howells <dhowells@redhat.com> | 2016-09-22 00:29:31 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2016-09-22 01:23:50 +0100 |
| commit | 5a924b8951f835b5ff8a3d9f434f3b230fc9905f (patch) | |
| tree | 078edaea66512bc65011d3fcf1dead7ec8df405a /net/rxrpc/ar-internal.h | |
| parent | 2d7a892626b5616a00d27a40fa23d70d5e618269 (diff) | |
| download | linux-5a924b8951f835b5ff8a3d9f434f3b230fc9905f.tar.bz2 | |
rxrpc: Don't store the rxrpc header in the Tx queue sk_buffs
Don't store the rxrpc protocol header in sk_buffs on the transmit queue,
but rather generate it on the fly and pass it to kernel_sendmsg() as a
separate iov. This reduces the amount of storage required.
Note that the security header is still stored in the sk_buff as it may get
encrypted along with the data (and doesn't change with each transmission).
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 034f525f2235..f021df4a6a22 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -385,10 +385,9 @@ struct rxrpc_connection { int debug_id; /* debug ID for printks */ atomic_t serial; /* packet serial number counter */ unsigned int hi_serial; /* highest serial number received */ + u32 security_nonce; /* response re-use preventer */ u8 size_align; /* data size alignment (for security) */ - u8 header_size; /* rxrpc + security header size */ u8 security_size; /* security header size */ - u32 security_nonce; /* response re-use preventer */ u8 security_ix; /* security type */ u8 out_clientflag; /* RXRPC_CLIENT_INITIATED if we are client */ }; @@ -946,7 +945,7 @@ extern const s8 rxrpc_ack_priority[]; * output.c */ int rxrpc_send_call_packet(struct rxrpc_call *, u8); -int rxrpc_send_data_packet(struct rxrpc_connection *, struct sk_buff *); +int rxrpc_send_data_packet(struct rxrpc_call *, struct sk_buff *); void rxrpc_reject_packets(struct rxrpc_local *); /* |