Commit b311e684 authored Aug 19, 2019 by David Howells

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


    
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>

parent a641fd00

net/rxrpc/ar-internal.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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 */

net/rxrpc/sendmsg.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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);