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yaml
---
r: 291210
b: refs/heads/master
c: 4722d2b
h: refs/heads/master
v: v3
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Samuel Ortiz authored and John W. Linville committed Mar 6, 2012
1 parent 48ea599 commit 1d434b5
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Showing 3 changed files with 30 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c970a1ac4e75a5d31c7b6e8e9f0bb192b0a511e7
refs/heads/master: 4722d2b70b80098e1e429e093a7e04aad360260a
45 changes: 28 additions & 17 deletions trunk/net/nfc/llcp/llcp.c
Original file line number Diff line number Diff line change
Expand Up @@ -616,6 +616,33 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local,

}

void nfc_llcp_queue_i_frames(struct nfc_llcp_sock *sock)
{
struct nfc_llcp_local *local = sock->local;

pr_debug("Remote ready %d tx queue len %d remote rw %d",
sock->remote_ready, skb_queue_len(&sock->tx_pending_queue),
local->remote_rw);

/* Try to queue some I frames for transmission */
while (sock->remote_ready &&
skb_queue_len(&sock->tx_pending_queue) < local->remote_rw) {
struct sk_buff *pdu, *pending_pdu;

pdu = skb_dequeue(&sock->tx_queue);
if (pdu == NULL)
break;

/* Update N(S)/N(R) */
nfc_llcp_set_nrns(sock, pdu);

pending_pdu = skb_clone(pdu, GFP_KERNEL);

skb_queue_tail(&local->tx_queue, pdu);
skb_queue_tail(&sock->tx_pending_queue, pending_pdu);
}
}

static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local,
struct sk_buff *skb)
{
Expand Down Expand Up @@ -673,23 +700,7 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local,
}
}

/* Queue some I frames for transmission */
while (llcp_sock->remote_ready &&
skb_queue_len(&llcp_sock->tx_pending_queue) <= local->remote_rw) {
struct sk_buff *pdu, *pending_pdu;

pdu = skb_dequeue(&llcp_sock->tx_queue);
if (pdu == NULL)
break;

/* Update N(S)/N(R) */
nfc_llcp_set_nrns(llcp_sock, pdu);

pending_pdu = skb_clone(pdu, GFP_KERNEL);

skb_queue_tail(&local->tx_queue, pdu);
skb_queue_tail(&llcp_sock->tx_pending_queue, pending_pdu);
}
nfc_llcp_queue_i_frames(llcp_sock);

release_sock(sk);
nfc_llcp_sock_put(llcp_sock);
Expand Down
1 change: 1 addition & 0 deletions trunk/net/nfc/llcp/llcp.h
Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,7 @@ u8 nfc_llcp_get_sdp_ssap(struct nfc_llcp_local *local,
struct nfc_llcp_sock *sock);
u8 nfc_llcp_get_local_ssap(struct nfc_llcp_local *local);
void nfc_llcp_put_ssap(struct nfc_llcp_local *local, u8 ssap);
void nfc_llcp_queue_i_frames(struct nfc_llcp_sock *sock);

/* Sock API */
struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp);
Expand Down

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