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Phonet: use socket destination in pipe protocol

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Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont 2011-02-24 23:14:58 +00:00 committed by David S. Miller
parent a8059512b1
commit 14ba8faebc
2 changed files with 16 additions and 26 deletions
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1
include/net/phonet/pep.h
View File

@ -47,7 +47,6 @@ struct pep_sock {
u8 aligned;
#ifdef CONFIG_PHONET_PIPECTRLR
u8 pipe_state;
struct sockaddr_pn remote_pep;
#endif
};

41
net/phonet/pep.c
View File

@ -50,11 +50,6 @@
#define CREDITS_MAX 10
#define CREDITS_THR 7
static const struct sockaddr_pn pipe_srv = {
.spn_family = AF_PHONET,
.spn_resource = 0xD9, /* pipe service */
};
#define pep_sb_size(s) (((s) + 5) & ~3) /* 2-bytes head, 32-bits aligned */
/* Get the next TLV sub-block. */
@ -88,6 +83,7 @@ static int pep_reply(struct sock *sk, struct sk_buff *oskb,
const struct pnpipehdr *oph = pnp_hdr(oskb);
struct pnpipehdr *ph;
struct sk_buff *skb;
struct sockaddr_pn peer;
skb = alloc_skb(MAX_PNPIPE_HEADER + len, priority);
if (!skb)
@ -105,7 +101,8 @@ static int pep_reply(struct sock *sk, struct sk_buff *oskb,
ph->pipe_handle = oph->pipe_handle;
ph->error_code = code;
return pn_skb_send(sk, skb, &pipe_srv);
pn_skb_get_src_sockaddr(oskb, &peer);
return pn_skb_send(sk, skb, &peer);
}
#define PAD 0x00
@ -220,7 +217,7 @@ static int pipe_handler_send_req(struct sock *sk, u8 utid,
ph->pipe_handle = pn->pipe_handle;
ph->error_code = PN_PIPE_NO_ERROR;
return pn_skb_send(sk, skb, &pn->remote_pep);
return pn_skb_send(sk, skb, NULL);
}
static int pipe_handler_send_created_ind(struct sock *sk,
@ -262,7 +259,7 @@ static int pipe_handler_send_created_ind(struct sock *sk,
ph->pipe_handle = pn->pipe_handle;
ph->error_code = err_code;
return pn_skb_send(sk, skb, &pn->remote_pep);
return pn_skb_send(sk, skb, NULL);
}
static int pipe_handler_send_ind(struct sock *sk, u8 utid, u8 msg_id)
@ -295,7 +292,7 @@ static int pipe_handler_send_ind(struct sock *sk, u8 utid, u8 msg_id)
ph->pipe_handle = pn->pipe_handle;
ph->error_code = err_code;
return pn_skb_send(sk, skb, &pn->remote_pep);
return pn_skb_send(sk, skb, NULL);
}
static int pipe_handler_enable_pipe(struct sock *sk, int enable)
@ -396,11 +393,7 @@ static int pipe_snd_status(struct sock *sk, u8 type, u8 status, gfp_t priority)
ph->data[3] = PAD;
ph->data[4] = status;
#ifdef CONFIG_PHONET_PIPECTRLR
return pn_skb_send(sk, skb, &pn->remote_pep);
#else
return pn_skb_send(sk, skb, &pipe_srv);
#endif
return pn_skb_send(sk, skb, NULL);
}
/* Send our RX flow control information to the sender.
@ -722,7 +715,7 @@ static int pep_connreq_rcv(struct sock *sk, struct sk_buff *skb)
struct sock *newsk;
struct pep_sock *newpn, *pn = pep_sk(sk);
struct pnpipehdr *hdr;
struct sockaddr_pn dst;
struct sockaddr_pn dst, src;
u16 peer_type;
u8 pipe_handle, enabled, n_sb;
u8 aligned = 0;
@ -789,8 +782,10 @@ static int pep_connreq_rcv(struct sock *sk, struct sk_buff *skb)
newpn = pep_sk(newsk);
pn_skb_get_dst_sockaddr(skb, &dst);
pn_skb_get_src_sockaddr(skb, &src);
newpn->pn_sk.sobject = pn_sockaddr_get_object(&dst);
newpn->pn_sk.resource = pn->pn_sk.resource;
newpn->pn_sk.dobject = pn_sockaddr_get_object(&src);
newpn->pn_sk.resource = pn_sockaddr_get_resource(&dst);
skb_queue_head_init(&newpn->ctrlreq_queue);
newpn->pipe_handle = pipe_handle;
atomic_set(&newpn->tx_credits, 0);
@ -925,7 +920,7 @@ static int pipe_do_remove(struct sock *sk)
ph->pipe_handle = pn->pipe_handle;
ph->data[0] = PAD;
return pn_skb_send(sk, skb, &pipe_srv);
return pn_skb_send(sk, skb, NULL);
}
/* associated socket ceases to exist */
@ -1042,10 +1037,10 @@ out:
static int pep_sock_connect(struct sock *sk, struct sockaddr *addr, int len)
{
struct pep_sock *pn = pep_sk(sk);
struct sockaddr_pn *spn = (struct sockaddr_pn *)addr;
memcpy(&pn->remote_pep, spn, sizeof(struct sockaddr_pn));
const struct sockaddr_pn *spn = (struct sockaddr_pn *)addr;
pn->pn_sk.dobject = pn_sockaddr_get_object(spn);
pn->pn_sk.resource = pn_sockaddr_get_resource(spn);
return pipe_handler_send_req(sk,
PNS_PEP_CONNECT_UTID, PNS_PEP_CONNECT_REQ,
GFP_ATOMIC);
@ -1222,11 +1217,7 @@ static int pipe_skb_send(struct sock *sk, struct sk_buff *skb)
} else
ph->message_id = PNS_PIPE_DATA;
ph->pipe_handle = pn->pipe_handle;
#ifdef CONFIG_PHONET_PIPECTRLR
err = pn_skb_send(sk, skb, &pn->remote_pep);
#else
err = pn_skb_send(sk, skb, &pipe_srv);
#endif
err = pn_skb_send(sk, skb, NULL);
if (err && pn_flow_safe(pn->tx_fc))
atomic_inc(&pn->tx_credits);