From: David Woodhouse <dwmw2@infradead.org>
To: netdev@vger.kernel.org
Subject: [PATCH 20/30] solos: Fix various bugs in status packet handling
Date: Tue, 17 Mar 2009 21:29:31 +0000 [thread overview]
Message-ID: <1237325371.27681.349.camel@macbook.infradead.org> (raw)
In-Reply-To: <1237310370.27681.314.camel@macbook.infradead.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
drivers/atm/solos-pci.c | 49 ++++++++++++++++++++++++++--------------------
1 files changed, 28 insertions(+), 21 deletions(-)
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 8121f85..5e228a3 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -293,13 +293,15 @@ static char *next_string(struct sk_buff *skb)
{
int i = 0;
char *this = skb->data;
-
- while (i < skb->len) {
+
+ for (i = 0; i < skb->len; i++) {
if (this[i] == '\n') {
this[i] = 0;
- skb_pull(skb, i);
+ skb_pull(skb, i + 1);
return this;
}
+ if (!isprint(this[i]))
+ return NULL;
}
return NULL;
}
@@ -316,7 +318,7 @@ static char *next_string(struct sk_buff *skb)
static int process_status(struct solos_card *card, int port, struct sk_buff *skb)
{
char *str, *end, *state_str;
- int ver, rate_up, rate_down, state, snr, attn;
+ int ver, rate_up, rate_down, state;
if (!card->atmdev[port])
return -ENODEV;
@@ -333,16 +335,22 @@ static int process_status(struct solos_card *card, int port, struct sk_buff *skb
}
str = next_string(skb);
+ if (!str)
+ return -EIO;
rate_up = simple_strtol(str, &end, 10);
if (*end)
return -EIO;
str = next_string(skb);
+ if (!str)
+ return -EIO;
rate_down = simple_strtol(str, &end, 10);
if (*end)
return -EIO;
state_str = next_string(skb);
+ if (!state_str)
+ return -EIO;
if (!strcmp(state_str, "Showtime"))
state = ATM_PHY_SIG_FOUND;
else {
@@ -350,25 +358,24 @@ static int process_status(struct solos_card *card, int port, struct sk_buff *skb
release_vccs(card->atmdev[port]);
}
- str = next_string(skb);
- snr = simple_strtol(str, &end, 10);
- if (*end)
- return -EIO;
-
- str = next_string(skb);
- attn = simple_strtol(str, &end, 10);
- if (*end)
- return -EIO;
-
- if (state == ATM_PHY_SIG_LOST && !rate_up && !rate_down)
+ if (state == ATM_PHY_SIG_LOST) {
dev_info(&card->dev->dev, "Port %d ATM state: %s\n",
port, state_str);
- else
- dev_info(&card->dev->dev, "Port %d ATM state: %s (%d/%d kb/s, SNR %ddB, Attn %ddB)\n",
- port, state_str, rate_up/1000, rate_down/1000,
- snr, attn);
-
- card->atmdev[port]->link_rate = rate_down;
+ } else {
+ char *snr, *attn;
+
+ snr = next_string(skb);
+ if (!str)
+ return -EIO;
+ attn = next_string(skb);
+ if (!attn)
+ return -EIO;
+
+ dev_info(&card->dev->dev, "Port %d: %s (%d/%d kb/s%s%s%s%s)\n",
+ port, state_str, rate_down/1000, rate_up/1000,
+ snr[0]?", SNR ":"", snr, attn[0]?", Attn ":"", attn);
+ }
+ card->atmdev[port]->link_rate = rate_down / 424;
card->atmdev[port]->signal = state;
return 0;
--
1.6.0.6
next prev parent reply other threads:[~2009-03-17 21:29 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-17 17:19 [GIT *] Solos PCI ADSL card update David Woodhouse
2009-03-17 19:23 ` David Miller
2009-03-17 20:41 ` Stephen Hemminger
2009-03-17 21:36 ` David Woodhouse
2009-03-17 21:33 ` David Woodhouse
2009-03-17 21:29 ` [PATCH 01/30] solos: Fix length header in FPGA transfers David Woodhouse
2009-03-17 21:29 ` [PATCH 02/30] solos: Slight debugging improvements David Woodhouse
2009-03-17 21:29 ` [PATCH 03/30] solos: FPGA and firmware update support David Woodhouse
2009-03-17 21:29 ` [PATCH 04/30] solos: Clean up firmware loading code David Woodhouse
2009-03-17 21:29 ` [PATCH 05/30] solos: Kill global 'opens' count David Woodhouse
2009-03-17 21:29 ` [PATCH 06/30] solos: Handle attribute show/store in kernel more sanely David Woodhouse
2009-03-17 22:44 ` Stephen Hemminger
2009-03-17 22:49 ` David Woodhouse
2009-03-21 20:22 ` David Miller
2009-03-17 21:29 ` [PATCH 07/30] solos: Add initial list of parameters David Woodhouse
2009-03-17 21:29 ` [PATCH 08/30] solos: Handle new line status change packets, hook up to ATM layer info David Woodhouse
2009-03-17 21:29 ` [PATCH 09/30] solos: Kill existing connections on link down event David Woodhouse
2009-03-17 21:29 ` [PATCH 10/30] solos: Reject non-AAL5 connections.... for now David Woodhouse
2009-03-17 21:29 ` [PATCH 11/30] solos: Add SNR and Attn to status packet, fix oops on load David Woodhouse
2009-03-17 21:29 ` [PATCH 12/30] solos: Fix under-allocation of skb size for get/set parameters David Woodhouse
2009-03-17 21:29 ` [PATCH 13/30] solos: Remove parameter group from sysfs on ATM dev deregister David Woodhouse
2009-03-17 21:29 ` [PATCH 14/30] solos: First attempt at DMA support David Woodhouse
2009-03-17 21:29 ` [PATCH 15/30] solos: Tidy up DMA handling a little. Still untested David Woodhouse
2009-03-17 21:29 ` [PATCH 16/30] solos: Tidy up tx_mask handling for ports which need TX David Woodhouse
2009-03-17 21:29 ` [PATCH 18/30] solos: Remove IRQF_DISABLED, don't frob IRQ enable on the FPGA in solos_irq() David Woodhouse
2009-03-17 21:29 ` [PATCH 17/30] solos: Remove unused loopback debug stuff David Woodhouse
2009-03-17 21:29 ` [PATCH 19/30] solos: Remove superfluous wait_queue_head_t from struct solos_param David Woodhouse
2009-03-17 21:29 ` [PATCH 21/30] solos: Clean up handling of card->tx_mask a little David Woodhouse
2009-03-17 21:29 ` David Woodhouse [this message]
2009-03-17 21:29 ` [PATCH 23/30] solos: Add 'reset' module parameter to reset the DSL chips on load David Woodhouse
2009-03-17 21:29 ` [PATCH 22/30] solos: Remove debugging, commented-out test code David Woodhouse
2009-03-17 21:29 ` [PATCH 24/30] solos: Tidy up status interrupt handling, cope with 'ERROR' status David Woodhouse
2009-03-17 21:29 ` [PATCH 26/30] solos: Set RX empty flag at startup only for !dma mode David Woodhouse
2009-03-17 21:29 ` [PATCH 25/30] solos: Don't clear config registers at startup David Woodhouse
2009-03-17 21:29 ` [PATCH 27/30] solos: Swap upstream/downstream rates in status packet, clean up some more David Woodhouse
2009-03-17 21:29 ` [PATCH 28/30] solos: Reset device on unload, free pending skbs David Woodhouse
2009-03-17 21:29 ` [PATCH 29/30] solos: Automatically determine number of ports David Woodhouse
2009-03-17 21:29 ` [PATCH 30/30] solos: Disable DMA until we have an FPGA update with it actually implemented David Woodhouse
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