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authorDavid Howells <dhowells@redhat.com>2016-09-22 00:29:31 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-22 01:23:50 +0100
commit5a924b8951f835b5ff8a3d9f434f3b230fc9905f (patch)
tree078edaea66512bc65011d3fcf1dead7ec8df405a /net/rxrpc/ar-internal.h
parent2d7a892626b5616a00d27a40fa23d70d5e618269 (diff)
downloadop-kernel-dev-5a924b8951f835b5ff8a3d9f434f3b230fc9905f.zip
op-kernel-dev-5a924b8951f835b5ff8a3d9f434f3b230fc9905f.tar.gz
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.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 034f525..f021df4 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 *);
/*
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