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rxrpc: Add a private skb flag to indicate transmission-phase skbs

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Add a flag in the private data on an skbuff to indicate that this is a
transmission-phase buffer rather than a receive-phase buffer.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2019-08-19 09:25:37 +01:00
parent a641fd00d0
commit b311e68420
2 changed files with 3 additions and 1 deletions
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1
net/rxrpc/ar-internal.h
View File

@ -188,6 +188,7 @@ struct rxrpc_skb_priv {
u8 nr_subpackets; /* Number of subpackets */
u8 rx_flags; /* Received packet flags */
#define RXRPC_SKB_INCL_LAST 0x01 /* - Includes last packet */
#define RXRPC_SKB_TX_BUFFER 0x02 /* - Is transmit buffer */
union {
int remain; /* amount of space remaining for next write */

3
net/rxrpc/sendmsg.c
View File

@ -336,6 +336,8 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
if (!skb)
goto maybe_error;
sp = rxrpc_skb(skb);
sp->rx_flags |= RXRPC_SKB_TX_BUFFER;
rxrpc_new_skb(skb, rxrpc_skb_tx_new);
_debug("ALLOC SEND %p", skb);
@ -346,7 +348,6 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
skb_reserve(skb, call->conn->security_size);
skb->len += call->conn->security_size;
sp = rxrpc_skb(skb);
sp->remain = chunk;
if (sp->remain > skb_tailroom(skb))
sp->remain = skb_tailroom(skb);