From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1799:9: sparse: sparse: context imbalance in 'netxen_process_cmd_ring' - wrong count at exit
Date: Sat, 28 Aug 2021 21:20:48 +0800 [thread overview]
Message-ID: <202108282131.JvAYs0ia-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 38645 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 64b4fc45bea6f4faa843d2f97ff51665280efee1
commit: d991bb1c8da842a2a0b9dc83b1005e655783f861 include/linux/compiler-gcc.h: sparse can do constant folding of __builtin_bswap*()
date: 4 months ago
:::::: branch date: 14 hours ago
:::::: commit date: 4 months ago
config: powerpc64-randconfig-s031-20210826 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-348-gf0e6938b-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d991bb1c8da842a2a0b9dc83b1005e655783f861
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d991bb1c8da842a2a0b9dc83b1005e655783f861
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:571:25: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:574:38: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:573:31: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:573:62: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:573:62: sparse: expected restricted __le32 [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:573:62: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:575:35: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:577:21: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:578:66: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:601:54: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:601:64: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:601:20: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:615:22: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:627:63: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:627:26: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:626:20: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:633:18: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:633:55: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:632:16: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:636:21: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:636:50: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:650:22: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:662:63: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:662:26: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:661:20: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:668:18: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:668:55: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:667:16: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:670:21: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:670:50: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:697:55: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:697:65: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:697:20: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:703:25: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:710:38: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:709:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:709:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:709:22: sparse: expected restricted __le32 [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:709:22: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:711:25: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:712:32: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:717:33: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:718:62: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:766:19: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:766:19: sparse: sparse: incorrect type in initializer (different base types) @@ expected int idx @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:766:19: sparse: expected int idx
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:766:19: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:777:26: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:776:16: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:776:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:776:14: sparse: expected restricted __le32 [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:776:14: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:779:48: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:788:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offs @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:788:22: sparse: expected unsigned int [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:788:22: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:801:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offs @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:801:22: sparse: expected unsigned int [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:801:22: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:833:38: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:834:33: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:847:33: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:847:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:847:48: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:847:45: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __le32 @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:847:45: sparse: expected restricted __le32
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:847:45: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:860:28: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:862:25: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:862:45: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:863:58: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:862:70: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __le32 @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:862:70: sparse: expected restricted __le32
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:862:70: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:911:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] val @@ got restricted __le32 @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:911:21: sparse: expected unsigned int [usertype] val
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:911:21: sparse: got restricted __le32
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:999:72: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:999:72: sparse: expected unsigned long long [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:999:72: sparse: got restricted __le64 [assigned] [usertype] data
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1014:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1014:60: sparse: expected unsigned long long [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1014:60: sparse: got restricted __le64 [assigned] [usertype] data
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1025:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1025:60: sparse: expected unsigned long long [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1025:60: sparse: got restricted __le64 [assigned] [usertype] data
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1099:23: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1099:23: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1099:23: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1123:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1123:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1123:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1123:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [addressable] [usertype] flash_fw_ver @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1123:22: sparse: expected restricted __le32 [addressable] [usertype] flash_fw_ver
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1123:22: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1127:46: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1139:21: sparse: sparse: restricted __le32 degrades to integer
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1799:9: sparse: sparse: context imbalance in 'netxen_process_cmd_ring' - wrong count at exit
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1905:20: sparse: sparse: context imbalance in 'netxen_post_rx_buffers_nodb' - wrong count at exit
vim +/netxen_process_cmd_ring +1799 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1733
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1734 /* Process Command status ring */
05aaa02d799e8e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1735 int netxen_process_cmd_ring(struct netxen_adapter *adapter)
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1736 {
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1737 u32 sw_consumer, hw_consumer;
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1738 int count = 0, i;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1739 struct netxen_cmd_buffer *buffer;
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1740 struct pci_dev *pdev = adapter->pdev;
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1741 struct net_device *netdev = adapter->netdev;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1742 struct netxen_skb_frag *frag;
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1743 int done = 0;
4ea528a151549d drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-28 1744 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1745
240b23c4269777 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Tony Camuso 2015-05-06 1746 if (!spin_trylock_bh(&adapter->tx_clean_lock))
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1747 return 1;
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1748
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1749 sw_consumer = tx_ring->sw_consumer;
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1750 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1751
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1752 while (sw_consumer != hw_consumer) {
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1753 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
53a01e00f8c78b drivers/net/netxen/netxen_nic_init.c dhananjay(a)netxen.com 2007-12-26 1754 if (buffer->skb) {
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1755 frag = &buffer->frag_array[0];
297af515d75f5c drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Christophe JAILLET 2021-01-13 1756 dma_unmap_single(&pdev->dev, frag->dma, frag->length,
297af515d75f5c drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Christophe JAILLET 2021-01-13 1757 DMA_TO_DEVICE);
96acb6eb8effe7 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2007-07-02 1758 frag->dma = 0ULL;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1759 for (i = 1; i < buffer->frag_count; i++) {
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1760 frag++; /* Get the next frag */
297af515d75f5c drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Christophe JAILLET 2021-01-13 1761 dma_unmap_page(&pdev->dev, frag->dma,
297af515d75f5c drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Christophe JAILLET 2021-01-13 1762 frag->length, DMA_TO_DEVICE);
96acb6eb8effe7 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2007-07-02 1763 frag->dma = 0ULL;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1764 }
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1765
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1766 adapter->stats.xmitfinished++;
53a01e00f8c78b drivers/net/netxen/netxen_nic_init.c dhananjay(a)netxen.com 2007-12-26 1767 dev_kfree_skb_any(buffer->skb);
53a01e00f8c78b drivers/net/netxen/netxen_nic_init.c dhananjay(a)netxen.com 2007-12-26 1768 buffer->skb = NULL;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1769 }
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1770
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1771 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1772 if (++count >= MAX_STATUS_HANDLE)
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1773 break;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1774 }
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1775
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1776 tx_ring->sw_consumer = sw_consumer;
22527864ed7ee6 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-05-05 1777
9295f940fb677b drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Manish Chopra 2014-09-30 1778 if (count && netif_running(netdev)) {
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1779 smp_mb();
cb2107be43d2fc drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-06-17 1780
7a9905e64272c8 drivers/net/netxen/netxen_nic_init.c Rajesh Borundia 2010-10-18 1781 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev))
7a9905e64272c8 drivers/net/netxen/netxen_nic_init.c Rajesh Borundia 2010-10-18 1782 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
ba53e6b4878e07 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-03-17 1783 netif_wake_queue(netdev);
74c520da5414d1 drivers/net/netxen/netxen_nic_init.c Amit Kumar Salecha 2009-09-11 1784 adapter->tx_timeo_cnt = 0;
74c520da5414d1 drivers/net/netxen/netxen_nic_init.c Amit Kumar Salecha 2009-09-11 1785 }
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1786 /*
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1787 * If everything is freed up to consumer then check if the ring is full
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1788 * If the ring is full then check if more needs to be freed and
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1789 * schedule the call back again.
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1790 *
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1791 * This happens when there are 2 CPUs. One could be freeing and the
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1792 * other filling it. If the ring is full when we get out of here and
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1793 * the card has already interrupted the host then the host can miss the
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1794 * interrupt.
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1795 *
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1796 * There is still a possible race condition and the host could miss an
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1797 * interrupt. The card has to take care of this.
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1798 */
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 @1799 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
d877f1e344f551 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-04-07 1800 done = (sw_consumer == hw_consumer);
240b23c4269777 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c Tony Camuso 2015-05-06 1801 spin_unlock_bh(&adapter->tx_clean_lock);
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1802
807540baae406c drivers/net/netxen/netxen_nic_init.c Eric Dumazet 2010-09-23 1803 return done;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1804 }
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1805
becf46a012db66 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-09 1806 void
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1807 netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1808 struct nx_host_rds_ring *rds_ring)
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1809 {
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1810 struct rcv_desc *pdesc;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1811 struct netxen_rx_buffer *buffer;
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1812 int producer, count = 0;
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1813 netxen_ctx_msg msg = 0;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1814 struct list_head *head;
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1815
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1816 producer = rds_ring->producer;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1817
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1818 head = &rds_ring->free_list;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1819 while (!list_empty(head)) {
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1820
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1821 buffer = list_entry(head->next, struct netxen_rx_buffer, list);
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1822
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1823 if (!buffer->skb) {
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1824 if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1825 break;
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1826 }
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1827
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1828 count++;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1829 list_del(&buffer->list);
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1830
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1831 /* make a rcv descriptor */
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1832 pdesc = &rds_ring->desc_head[producer];
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1833 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
ed33ebe464d973 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-18 1834 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1835 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1836
438627c77b877e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1837 producer = get_next_index(producer, rds_ring->num_desc);
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1838 }
9b3ef55c6ddbe8 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1839
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1840 if (count) {
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1841 rds_ring->producer = producer;
195c5f98294078 drivers/net/netxen/netxen_nic_init.c Amit Kumar Salecha 2009-09-05 1842 NXWRIO(adapter, rds_ring->crb_rcv_producer,
438627c77b877e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1843 (producer-1) & (rds_ring->num_desc-1));
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1844
4f96b988e8d404 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-07-26 1845 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1846 /*
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1847 * Write a doorbell msg to tell phanmon of change in
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1848 * receive ring producer
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1849 * Only for firmware version < 4.0.0
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1850 */
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1851 netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1852 netxen_set_msg_privid(msg);
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1853 netxen_set_msg_count(msg,
438627c77b877e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1854 ((producer - 1) &
438627c77b877e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1855 (rds_ring->num_desc - 1)));
3176ff3ee71bdd drivers/net/netxen/netxen_nic_init.c Mithlesh Thukral 2007-04-20 1856 netxen_set_msg_ctxid(msg, adapter->portnum);
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1857 netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
f03b0ebd8e7132 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-10-13 1858 NXWRIO(adapter, DB_NORMALIZE(adapter,
f03b0ebd8e7132 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-10-13 1859 NETXEN_RCV_PRODUCER_OFFSET), msg);
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1860 }
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1861 }
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1862 }
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1863
becf46a012db66 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-09 1864 static void
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1865 netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1866 struct nx_host_rds_ring *rds_ring)
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1867 {
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1868 struct rcv_desc *pdesc;
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1869 struct netxen_rx_buffer *buffer;
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1870 int producer, count = 0;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1871 struct list_head *head;
ed25ffa1643472 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-04 1872
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1873 if (!spin_trylock(&rds_ring->lock))
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1874 return;
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1875
2227bae22becb8 drivers/net/netxen/netxen_nic_init.c Amit Kumar Salecha 2010-06-13 1876 producer = rds_ring->producer;
2227bae22becb8 drivers/net/netxen/netxen_nic_init.c Amit Kumar Salecha 2010-06-13 1877
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1878 head = &rds_ring->free_list;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1879 while (!list_empty(head)) {
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1880
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1881 buffer = list_entry(head->next, struct netxen_rx_buffer, list);
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1882
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1883 if (!buffer->skb) {
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1884 if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1885 break;
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1886 }
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1887
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1888 count++;
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1889 list_del(&buffer->list);
d9e651bc06690c drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1890
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1891 /* make a rcv descriptor */
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1892 pdesc = &rds_ring->desc_head[producer];
ed33ebe464d973 drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-12-18 1893 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1894 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1895 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
6f70340698333f drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-01-14 1896
438627c77b877e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1897 producer = get_next_index(producer, rds_ring->num_desc);
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1898 }
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1899
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1900 if (count) {
48bfd1e0fc66b2 drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2008-07-21 1901 rds_ring->producer = producer;
195c5f98294078 drivers/net/netxen/netxen_nic_init.c Amit Kumar Salecha 2009-09-05 1902 NXWRIO(adapter, rds_ring->crb_rcv_producer,
438627c77b877e drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 1903 (producer - 1) & (rds_ring->num_desc - 1));
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1904 }
d8b100c5da003b drivers/net/netxen/netxen_nic_init.c Dhananjay Phadke 2009-03-13 @1905 spin_unlock(&rds_ring->lock);
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1906 }
3d396eb17e9f8c drivers/net/netxen/netxen_nic_init.c Amit S. Kale 2006-10-21 1907
:::::: The code at line 1799 was first introduced by commit
:::::: d877f1e344f5515988d9dcd6db5d4285911778a3 netxen: refactor transmit code
:::::: TO: Dhananjay Phadke <dhananjay@netxen.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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