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NFC: llcp: Rename socket rw and miu fields

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They really are remote peer parameters, and we need to distinguish them
from the local ones as we'll modify the latter with socket options.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2013-02-22 01:12:28 +01:00
parent 63cd353c34
commit e4306bec47
4 changed files with 19 additions and 16 deletions
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17
net/nfc/llcp/commands.c
View File

@ -184,10 +184,10 @@ int nfc_llcp_parse_connection_tlv(struct nfc_llcp_sock *sock,
switch (type) {
case LLCP_TLV_MIUX:
sock->miu = llcp_tlv_miux(tlv) + 128;
sock->remote_miu = llcp_tlv_miux(tlv) + 128;
break;
case LLCP_TLV_RW:
sock->rw = llcp_tlv_rw(tlv);
sock->remote_rw = llcp_tlv_rw(tlv);
break;
case LLCP_TLV_SN:
break;
@ -200,7 +200,8 @@ int nfc_llcp_parse_connection_tlv(struct nfc_llcp_sock *sock,
tlv += length + 2;
}
pr_debug("sock %p rw %d miu %d\n", sock, sock->rw, sock->miu);
pr_debug("sock %p rw %d miu %d\n", sock,
sock->remote_rw, sock->remote_miu);
return 0;
}
@ -532,8 +533,8 @@ int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock,
/* Remote is ready but has not acknowledged our frames */
if((sock->remote_ready &&
skb_queue_len(&sock->tx_pending_queue) >= sock->rw &&
skb_queue_len(&sock->tx_queue) >= 2 * sock->rw)) {
skb_queue_len(&sock->tx_pending_queue) >= sock->remote_rw &&
skb_queue_len(&sock->tx_queue) >= 2 * sock->remote_rw)) {
pr_err("Pending queue is full %d frames\n",
skb_queue_len(&sock->tx_pending_queue));
return -ENOBUFS;
@ -541,7 +542,7 @@ int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock,
/* Remote is not ready and we've been queueing enough frames */
if ((!sock->remote_ready &&
skb_queue_len(&sock->tx_queue) >= 2 * sock->rw)) {
skb_queue_len(&sock->tx_queue) >= 2 * sock->remote_rw)) {
pr_err("Tx queue is full %d frames\n",
skb_queue_len(&sock->tx_queue));
return -ENOBUFS;
@ -561,7 +562,7 @@ int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock,
while (remaining_len > 0) {
frag_len = min_t(size_t, sock->miu, remaining_len);
frag_len = min_t(size_t, sock->remote_miu, remaining_len);
pr_debug("Fragment %zd bytes remaining %zd",
frag_len, remaining_len);
@ -621,7 +622,7 @@ int nfc_llcp_send_ui_frame(struct nfc_llcp_sock *sock, u8 ssap, u8 dsap,
while (remaining_len > 0) {
frag_len = min_t(size_t, sock->miu, remaining_len);
frag_len = min_t(size_t, sock->remote_miu, remaining_len);
pr_debug("Fragment %zd bytes remaining %zd",
frag_len, remaining_len);

6
net/nfc/llcp/llcp.c
View File

@ -865,7 +865,7 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local,
new_sock = nfc_llcp_sock(new_sk);
new_sock->dev = local->dev;
new_sock->local = nfc_llcp_local_get(local);
new_sock->miu = local->remote_miu;
new_sock->remote_miu = local->remote_miu;
new_sock->nfc_protocol = sock->nfc_protocol;
new_sock->dsap = ssap;
new_sock->target_idx = local->target_idx;
@ -919,11 +919,11 @@ int nfc_llcp_queue_i_frames(struct nfc_llcp_sock *sock)
pr_debug("Remote ready %d tx queue len %d remote rw %d",
sock->remote_ready, skb_queue_len(&sock->tx_pending_queue),
sock->rw);
sock->remote_rw);
/* Try to queue some I frames for transmission */
while (sock->remote_ready &&
skb_queue_len(&sock->tx_pending_queue) < sock->rw) {
skb_queue_len(&sock->tx_pending_queue) < sock->remote_rw) {
struct sk_buff *pdu;
pdu = skb_dequeue(&sock->tx_queue);

6
net/nfc/llcp/llcp.h
View File

@ -104,8 +104,10 @@ struct nfc_llcp_sock {
u8 dsap;
char *service_name;
size_t service_name_len;
u8 rw;
u16 miu;
/* Remote link parameters */
u8 remote_rw;
u16 remote_miu;
/* Link variables */
u8 send_n;

6
net/nfc/llcp/sock.c
View File

@ -541,7 +541,7 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
llcp_sock->dev = dev;
llcp_sock->local = nfc_llcp_local_get(local);
llcp_sock->miu = llcp_sock->local->remote_miu;
llcp_sock->remote_miu = llcp_sock->local->remote_miu;
llcp_sock->ssap = nfc_llcp_get_local_ssap(local);
if (llcp_sock->ssap == LLCP_SAP_MAX) {
ret = -ENOMEM;
@ -800,8 +800,8 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp)
llcp_sock->ssap = 0;
llcp_sock->dsap = LLCP_SAP_SDP;
llcp_sock->rw = LLCP_DEFAULT_RW;
llcp_sock->miu = LLCP_DEFAULT_MIU;
llcp_sock->remote_rw = LLCP_DEFAULT_RW;
llcp_sock->remote_miu = LLCP_DEFAULT_MIU;
llcp_sock->send_n = llcp_sock->send_ack_n = 0;
llcp_sock->recv_n = llcp_sock->recv_ack_n = 0;
llcp_sock->remote_ready = 1;