void (*old_data_ready)(struct sock *, int);
void (*old_state_change)(struct sock *);
void (*old_write_space)(struct sock *);
+ void (*old_error_report)(struct sock *);
};
/*
buf = kzalloc(20, GFP_KERNEL);
if (buf) {
- snprintf(buf, 20, NIPQUAD_FMT,
- NIPQUAD(addr->sin_addr.s_addr));
+ snprintf(buf, 20, "%pI4", &addr->sin_addr.s_addr);
}
xprt->address_strings[RPC_DISPLAY_ADDR] = buf;
buf = kzalloc(48, GFP_KERNEL);
if (buf) {
- snprintf(buf, 48, "addr="NIPQUAD_FMT" port=%u proto=%s",
- NIPQUAD(addr->sin_addr.s_addr),
+ snprintf(buf, 48, "addr=%pI4 port=%u proto=%s",
+ &addr->sin_addr.s_addr,
ntohs(addr->sin_port),
protocol);
}
buf = kzalloc(30, GFP_KERNEL);
if (buf) {
- snprintf(buf, 30, NIPQUAD_FMT".%u.%u",
- NIPQUAD(addr->sin_addr.s_addr),
+ snprintf(buf, 30, "%pI4.%u.%u",
+ &addr->sin_addr.s_addr,
ntohs(addr->sin_port) >> 8,
ntohs(addr->sin_port) & 0xff);
}
buf = kzalloc(40, GFP_KERNEL);
if (buf) {
- snprintf(buf, 40, NIP6_FMT,
- NIP6(addr->sin6_addr));
+ snprintf(buf, 40, "%pI6",&addr->sin6_addr);
}
xprt->address_strings[RPC_DISPLAY_ADDR] = buf;
buf = kzalloc(64, GFP_KERNEL);
if (buf) {
- snprintf(buf, 64, "addr="NIP6_FMT" port=%u proto=%s",
- NIP6(addr->sin6_addr),
+ snprintf(buf, 64, "addr=%pI6 port=%u proto=%s",
+ &addr->sin6_addr,
ntohs(addr->sin6_port),
protocol);
}
xprt->address_strings[RPC_DISPLAY_ALL] = buf;
buf = kzalloc(36, GFP_KERNEL);
- if (buf) {
- snprintf(buf, 36, NIP6_SEQFMT,
- NIP6(addr->sin6_addr));
- }
+ if (buf)
+ snprintf(buf, 36, "%pi6", &addr->sin6_addr);
+
xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = buf;
buf = kzalloc(8, GFP_KERNEL);
buf = kzalloc(50, GFP_KERNEL);
if (buf) {
- snprintf(buf, 50, NIP6_FMT".%u.%u",
- NIP6(addr->sin6_addr),
- ntohs(addr->sin6_port) >> 8,
- ntohs(addr->sin6_port) & 0xff);
+ snprintf(buf, 50, "%pI6.%u.%u",
+ &addr->sin6_addr,
+ ntohs(addr->sin6_port) >> 8,
+ ntohs(addr->sin6_port) & 0xff);
}
xprt->address_strings[RPC_DISPLAY_UNIVERSAL_ADDR] = buf;
case -EAGAIN:
xs_nospace(task);
break;
- case -ECONNREFUSED:
case -ECONNRESET:
+ xs_tcp_shutdown(xprt);
+ case -ECONNREFUSED:
case -ENOTCONN:
case -EPIPE:
status = -ENOTCONN;
xprt_release_xprt(xprt, task);
}
+static void xs_save_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+ transport->old_data_ready = sk->sk_data_ready;
+ transport->old_state_change = sk->sk_state_change;
+ transport->old_write_space = sk->sk_write_space;
+ transport->old_error_report = sk->sk_error_report;
+}
+
+static void xs_restore_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+ sk->sk_data_ready = transport->old_data_ready;
+ sk->sk_state_change = transport->old_state_change;
+ sk->sk_write_space = transport->old_write_space;
+ sk->sk_error_report = transport->old_error_report;
+}
+
/**
* xs_close - close a socket
* @xprt: transport
transport->sock = NULL;
sk->sk_user_data = NULL;
- sk->sk_data_ready = transport->old_data_ready;
- sk->sk_state_change = transport->old_state_change;
- sk->sk_write_space = transport->old_write_space;
+
+ xs_restore_old_callbacks(transport, sk);
write_unlock_bh(&sk->sk_callback_lock);
sk->sk_no_check = 0;
read_unlock(&sk->sk_callback_lock);
}
+/**
+ * xs_tcp_error_report - callback mainly for catching RST events
+ * @sk: socket
+ */
+static void xs_tcp_error_report(struct sock *sk)
+{
+ struct rpc_xprt *xprt;
+
+ read_lock(&sk->sk_callback_lock);
+ if (sk->sk_err != ECONNRESET || sk->sk_state != TCP_ESTABLISHED)
+ goto out;
+ if (!(xprt = xprt_from_sock(sk)))
+ goto out;
+ dprintk("RPC: %s client %p...\n"
+ "RPC: error %d\n",
+ __func__, xprt, sk->sk_err);
+
+ xprt_force_disconnect(xprt);
+out:
+ read_unlock(&sk->sk_callback_lock);
+}
+
/**
* xs_udp_write_space - callback invoked when socket buffer space
* becomes available
if (port > last)
nloop++;
} while (err == -EADDRINUSE && nloop != 2);
- dprintk("RPC: %s "NIPQUAD_FMT":%u: %s (%d)\n",
- __func__, NIPQUAD(myaddr.sin_addr),
+ dprintk("RPC: %s %pI4:%u: %s (%d)\n",
+ __func__, &myaddr.sin_addr,
port, err ? "failed" : "ok", err);
return err;
}
if (port > last)
nloop++;
} while (err == -EADDRINUSE && nloop != 2);
- dprintk("RPC: xs_bind6 "NIP6_FMT":%u: %s (%d)\n",
- NIP6(myaddr.sin6_addr), port, err ? "failed" : "ok", err);
+ dprintk("RPC: xs_bind6 %pI6:%u: %s (%d)\n",
+ &myaddr.sin6_addr, port, err ? "failed" : "ok", err);
return err;
}
write_lock_bh(&sk->sk_callback_lock);
+ xs_save_old_callbacks(transport, sk);
+
sk->sk_user_data = xprt;
- transport->old_data_ready = sk->sk_data_ready;
- transport->old_state_change = sk->sk_state_change;
- transport->old_write_space = sk->sk_write_space;
sk->sk_data_ready = xs_udp_data_ready;
sk->sk_write_space = xs_udp_write_space;
sk->sk_no_check = UDP_CSUM_NORCV;
write_lock_bh(&sk->sk_callback_lock);
+ xs_save_old_callbacks(transport, sk);
+
sk->sk_user_data = xprt;
- transport->old_data_ready = sk->sk_data_ready;
- transport->old_state_change = sk->sk_state_change;
- transport->old_write_space = sk->sk_write_space;
sk->sk_data_ready = xs_tcp_data_ready;
sk->sk_state_change = xs_tcp_state_change;
sk->sk_write_space = xs_tcp_write_space;
+ sk->sk_error_report = xs_tcp_error_report;
sk->sk_allocation = GFP_ATOMIC;
/* socket options */