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Date: Fri, 25 Feb 2011 11:14:58 +0200
From: Rémi Denis-Courmont
<remi.denis-courmont@...ia.com>
To: netdev@...r.kernel.org
Subject: [PATCH 3/6] Phonet: use socket destination in pipe protocol
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@...ia.com>
---
include/net/phonet/pep.h | 1 -
net/phonet/pep.c | 41 ++++++++++++++++-------------------------
2 files changed, 16 insertions(+), 26 deletions(-)
diff --git a/include/net/phonet/pep.h b/include/net/phonet/pep.h
index b60b28c..788ccf3 100644
--- a/include/net/phonet/pep.h
+++ b/include/net/phonet/pep.h
@@ -47,7 +47,6 @@ struct pep_sock {
u8 aligned;
#ifdef CONFIG_PHONET_PIPECTRLR
u8 pipe_state;
- struct sockaddr_pn remote_pep;
#endif
};
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 3e60f2e..4fce882 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -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);
--
1.7.1
--
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