* [PATCH v3 1/3] e1000e: add registers etc. printout code just before resetting adapters
2010-04-19 11:20 [PATCH v3 0/3] e1000e,igb,ixgbe: add registers etc. printout code just before resetting adapters Taku Izumi
@ 2010-04-19 11:25 ` Taku Izumi
2010-04-19 11:26 ` [PATCH v3 2/3] igb: " Taku Izumi
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Taku Izumi @ 2010-04-19 11:25 UTC (permalink / raw)
To: Bruce Allan, David S. Miller, Jesse Brandeburg, John Ronciak,
"Kirsher, Jeffre
Cc: Kenji Kaneshige, chavey
This patch adds registers (,tx/rx rings' status and so on) printout
code just before resetting adapters. This will be helpful for detecting
the root cause of adapters reset.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
---
drivers/net/e1000e/netdev.c | 357 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 357 insertions(+)
Index: net-next-2.6.34/drivers/net/e1000e/netdev.c
===================================================================
--- net-next-2.6.34.orig/drivers/net/e1000e/netdev.c
+++ net-next-2.6.34/drivers/net/e1000e/netdev.c
@@ -69,6 +69,361 @@ static const struct e1000_info *e1000_in
[board_pchlan] = &e1000_pch_info,
};
+struct e1000_reg_info {
+ u32 ofs;
+ char *name;
+};
+
+#define E1000_RDFH 0x02410 /* Rx Data FIFO Head - RW */
+#define E1000_RDFT 0x02418 /* Rx Data FIFO Tail - RW */
+#define E1000_RDFHS 0x02420 /* Rx Data FIFO Head Saved - RW */
+#define E1000_RDFTS 0x02428 /* Rx Data FIFO Tail Saved - RW */
+#define E1000_RDFPC 0x02430 /* Rx Data FIFO Packet Count - RW */
+
+#define E1000_TDFH 0x03410 /* Tx Data FIFO Head - RW */
+#define E1000_TDFT 0x03418 /* Tx Data FIFO Tail - RW */
+#define E1000_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */
+#define E1000_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */
+#define E1000_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */
+
+static const struct e1000_reg_info e1000_reg_info_tbl[] = {
+
+ /* General Registers */
+ {E1000_CTRL, "CTRL"},
+ {E1000_STATUS, "STATUS"},
+ {E1000_CTRL_EXT, "CTRL_EXT"},
+
+ /* Interrupt Registers */
+ {E1000_ICR, "ICR"},
+
+ /* RX Registers */
+ {E1000_RCTL, "RCTL"},
+ {E1000_RDLEN, "RDLEN"},
+ {E1000_RDH, "RDH"},
+ {E1000_RDT, "RDT"},
+ {E1000_RDTR, "RDTR"},
+ {E1000_RXDCTL(0), "RXDCTL"},
+ {E1000_ERT, "ERT"},
+ {E1000_RDBAL, "RDBAL"},
+ {E1000_RDBAH, "RDBAH"},
+ {E1000_RDFH, "RDFH"},
+ {E1000_RDFT, "RDFT"},
+ {E1000_RDFHS, "RDFHS"},
+ {E1000_RDFTS, "RDFTS"},
+ {E1000_RDFPC, "RDFPC"},
+
+ /* TX Registers */
+ {E1000_TCTL, "TCTL"},
+ {E1000_TDBAL, "TDBAL"},
+ {E1000_TDBAH, "TDBAH"},
+ {E1000_TDLEN, "TDLEN"},
+ {E1000_TDH, "TDH"},
+ {E1000_TDT, "TDT"},
+ {E1000_TIDV, "TIDV"},
+ {E1000_TXDCTL(0), "TXDCTL"},
+ {E1000_TADV, "TADV"},
+ {E1000_TARC(0), "TARC"},
+ {E1000_TDFH, "TDFH"},
+ {E1000_TDFT, "TDFT"},
+ {E1000_TDFHS, "TDFHS"},
+ {E1000_TDFTS, "TDFTS"},
+ {E1000_TDFPC, "TDFPC"},
+
+ /* List Terminator */
+ {}
+};
+
+/*
+ * e1000_regdump - register printout routine
+ */
+static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
+{
+ int n = 0;
+ char rname[16];
+ u32 regs[8];
+
+ switch (reginfo->ofs) {
+ case E1000_RXDCTL(0):
+ for (n = 0; n < 2; n++)
+ regs[n] = __er32(hw, E1000_RXDCTL(n));
+ break;
+ case E1000_TXDCTL(0):
+ for (n = 0; n < 2; n++)
+ regs[n] = __er32(hw, E1000_TXDCTL(n));
+ break;
+ case E1000_TARC(0):
+ for (n = 0; n < 2; n++)
+ regs[n] = __er32(hw, E1000_TARC(n));
+ break;
+ default:
+ printk(KERN_INFO "%-15s %08x\n",
+ reginfo->name, __er32(hw, reginfo->ofs));
+ return;
+ }
+
+ snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
+ printk(KERN_INFO "%-15s ", rname);
+ for (n = 0; n < 2; n++)
+ printk(KERN_CONT "%08x ", regs[n]);
+ printk(KERN_CONT "\n");
+}
+
+
+/*
+ * e1000e_dump - Print registers, tx-ring and rx-ring
+ */
+static void e1000e_dump(struct e1000_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct e1000_hw *hw = &adapter->hw;
+ struct e1000_reg_info *reginfo;
+ struct e1000_ring *tx_ring = adapter->tx_ring;
+ struct e1000_tx_desc *tx_desc;
+ struct my_u0 { u64 a; u64 b; } *u0;
+ struct e1000_buffer *buffer_info;
+ struct e1000_ring *rx_ring = adapter->rx_ring;
+ union e1000_rx_desc_packet_split *rx_desc_ps;
+ struct e1000_rx_desc *rx_desc;
+ struct my_u1 { u64 a; u64 b; u64 c; u64 d; } *u1;
+ u32 staterr;
+ int i = 0;
+
+ if (!netif_msg_hw(adapter))
+ return;
+
+ /* Print netdevice Info */
+ if (netdev) {
+ dev_info(&adapter->pdev->dev, "Net device Info\n");
+ printk(KERN_INFO "Device Name state "
+ "trans_start last_rx\n");
+ printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
+ netdev->name,
+ netdev->state,
+ netdev->trans_start,
+ netdev->last_rx);
+ }
+
+ /* Print Registers */
+ dev_info(&adapter->pdev->dev, "Register Dump\n");
+ printk(KERN_INFO " Register Name Value\n");
+ for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
+ reginfo->name; reginfo++) {
+ e1000_regdump(hw, reginfo);
+ }
+
+ /* Print TX Ring Summary */
+ if (!netdev || !netif_running(netdev))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma ]"
+ " leng ntw timestamp\n");
+ buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
+ printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
+ 0, tx_ring->next_to_use, tx_ring->next_to_clean,
+ (u64)buffer_info->dma,
+ buffer_info->length,
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp);
+
+ /* Print TX Rings */
+ if (!netif_msg_tx_done(adapter))
+ goto rx_ring_summary;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
+
+ /* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
+ *
+ * Legacy Transmit Descriptor
+ * +--------------------------------------------------------------+
+ * 0 | Buffer Address [63:0] (Reserved on Write Back) |
+ * +--------------------------------------------------------------+
+ * 8 | Special | CSS | Status | CMD | CSO | Length |
+ * +--------------------------------------------------------------+
+ * 63 48 47 36 35 32 31 24 23 16 15 0
+ *
+ * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
+ * 63 48 47 40 39 32 31 16 15 8 7 0
+ * +----------------------------------------------------------------+
+ * 0 | TUCSE | TUCS0 | TUCSS | IPCSE | IPCS0 | IPCSS |
+ * +----------------------------------------------------------------+
+ * 8 | MSS | HDRLEN | RSV | STA | TUCMD | DTYP | PAYLEN |
+ * +----------------------------------------------------------------+
+ * 63 48 47 40 39 36 35 32 31 24 23 20 19 0
+ *
+ * Extended Data Descriptor (DTYP=0x1)
+ * +----------------------------------------------------------------+
+ * 0 | Buffer Address [63:0] |
+ * +----------------------------------------------------------------+
+ * 8 | VLAN tag | POPTS | Rsvd | Status | Command | DTYP | DTALEN |
+ * +----------------------------------------------------------------+
+ * 63 48 47 40 39 36 35 32 31 24 23 20 19 0
+ */
+ printk(KERN_INFO "Tl[desc] [address 63:0 ] [SpeCssSCmCsLen]"
+ " [bi->dma ] leng ntw timestamp bi->skb "
+ "<-- Legacy format\n");
+ printk(KERN_INFO "Tc[desc] [Ce CoCsIpceCoS] [MssHlRSCm0Plen]"
+ " [bi->dma ] leng ntw timestamp bi->skb "
+ "<-- Ext Context format\n");
+ printk(KERN_INFO "Td[desc] [address 63:0 ] [VlaPoRSCm1Dlen]"
+ " [bi->dma ] leng ntw timestamp bi->skb "
+ "<-- Ext Data format\n");
+ for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
+ tx_desc = E1000_TX_DESC(*tx_ring, i);
+ buffer_info = &tx_ring->buffer_info[i];
+ u0 = (struct my_u0 *)tx_desc;
+ printk(KERN_INFO "T%c[0x%03X] %016llX %016llX %016llX "
+ "%04X %3X %016llX %p",
+ (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' :
+ ((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i,
+ le64_to_cpu(u0->a), le64_to_cpu(u0->b),
+ (u64)buffer_info->dma, buffer_info->length,
+ buffer_info->next_to_watch, (u64)buffer_info->time_stamp,
+ buffer_info->skb);
+ if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC/U\n");
+ else if (i == tx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
+ print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
+ 16, 1, phys_to_virt(buffer_info->dma),
+ buffer_info->length, true);
+ }
+
+ /* Print RX Rings Summary */
+rx_ring_summary:
+ dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC]\n");
+ printk(KERN_INFO " %5d %5X %5X\n", 0,
+ rx_ring->next_to_use, rx_ring->next_to_clean);
+
+ /* Print RX Rings */
+ if (!netif_msg_rx_status(adapter))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
+ switch (adapter->rx_ps_pages) {
+ case 1:
+ case 2:
+ case 3:
+ /* [Extended] Packet Split Receive Descriptor Format
+ *
+ * +-----------------------------------------------------+
+ * 0 | Buffer Address 0 [63:0] |
+ * +-----------------------------------------------------+
+ * 8 | Buffer Address 1 [63:0] |
+ * +-----------------------------------------------------+
+ * 16 | Buffer Address 2 [63:0] |
+ * +-----------------------------------------------------+
+ * 24 | Buffer Address 3 [63:0] |
+ * +-----------------------------------------------------+
+ */
+ printk(KERN_INFO "R [desc] [buffer 0 63:0 ] "
+ "[buffer 1 63:0 ] "
+ "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma ] "
+ "[bi->skb] <-- Ext Pkt Split format\n");
+ /* [Extended] Receive Descriptor (Write-Back) Format
+ *
+ * 63 48 47 32 31 13 12 8 7 4 3 0
+ * +------------------------------------------------------+
+ * 0 | Packet | IP | Rsvd | MRQ | Rsvd | MRQ RSS |
+ * | Checksum | Ident | | Queue | | Type |
+ * +------------------------------------------------------+
+ * 8 | VLAN Tag | Length | Extended Error | Extended Status |
+ * +------------------------------------------------------+
+ * 63 48 47 32 31 20 19 0
+ */
+ printk(KERN_INFO "RWB[desc] [ck ipid mrqhsh] "
+ "[vl l0 ee es] "
+ "[ l3 l2 l1 hs] [reserved ] ---------------- "
+ "[bi->skb] <-- Ext Rx Write-Back format\n");
+ for (i = 0; i < rx_ring->count; i++) {
+ buffer_info = &rx_ring->buffer_info[i];
+ rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
+ u1 = (struct my_u1 *)rx_desc_ps;
+ staterr =
+ le32_to_cpu(rx_desc_ps->wb.middle.status_error);
+ if (staterr & E1000_RXD_STAT_DD) {
+ /* Descriptor Done */
+ printk(KERN_INFO "RWB[0x%03X] %016llX "
+ "%016llX %016llX %016llX "
+ "---------------- %p", i,
+ le64_to_cpu(u1->a),
+ le64_to_cpu(u1->b),
+ le64_to_cpu(u1->c),
+ le64_to_cpu(u1->d),
+ buffer_info->skb);
+ } else {
+ printk(KERN_INFO "R [0x%03X] %016llX "
+ "%016llX %016llX %016llX %016llX %p", i,
+ le64_to_cpu(u1->a),
+ le64_to_cpu(u1->b),
+ le64_to_cpu(u1->c),
+ le64_to_cpu(u1->d),
+ (u64)buffer_info->dma,
+ buffer_info->skb);
+
+ if (netif_msg_pktdata(adapter))
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS, 16, 1,
+ phys_to_virt(buffer_info->dma),
+ adapter->rx_ps_bsize0, true);
+ }
+
+ if (i == rx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == rx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+ }
+ break;
+ default:
+ case 0:
+ /* Legacy Receive Descriptor Format
+ *
+ * +-----------------------------------------------------+
+ * | Buffer Address [63:0] |
+ * +-----------------------------------------------------+
+ * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
+ * +-----------------------------------------------------+
+ * 63 48 47 40 39 32 31 16 15 0
+ */
+ printk(KERN_INFO "Rl[desc] [address 63:0 ] "
+ "[vl er S cks ln] [bi->dma ] [bi->skb] "
+ "<-- Legacy format\n");
+ for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
+ rx_desc = E1000_RX_DESC(*rx_ring, i);
+ buffer_info = &rx_ring->buffer_info[i];
+ u0 = (struct my_u0 *)rx_desc;
+ printk(KERN_INFO "Rl[0x%03X] %016llX %016llX "
+ "%016llX %p",
+ i, le64_to_cpu(u0->a), le64_to_cpu(u0->b),
+ (u64)buffer_info->dma, buffer_info->skb);
+ if (i == rx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == rx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ if (netif_msg_pktdata(adapter))
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1, phys_to_virt(buffer_info->dma),
+ adapter->rx_buffer_len, true);
+ }
+ }
+
+exit:
+ return;
+}
+
/**
* e1000_desc_unused - calculate if we have unused descriptors
**/
@@ -4268,6 +4623,8 @@ static void e1000_reset_task(struct work
struct e1000_adapter *adapter;
adapter = container_of(work, struct e1000_adapter, reset_task);
+ e1000e_dump(adapter);
+ e_err("Reset adapter\n");
e1000e_reinit_locked(adapter);
}
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH v3 2/3] igb: add registers etc. printout code just before resetting adapters
2010-04-19 11:20 [PATCH v3 0/3] e1000e,igb,ixgbe: add registers etc. printout code just before resetting adapters Taku Izumi
2010-04-19 11:25 ` [PATCH v3 1/3] e1000e: " Taku Izumi
@ 2010-04-19 11:26 ` Taku Izumi
2010-04-19 11:28 ` [PATCH v3 3/3] ixgbe: " Taku Izumi
2010-04-19 22:44 ` [PATCH v3 0/3] e1000e,igb,ixgbe: " Jeff Kirsher
3 siblings, 0 replies; 5+ messages in thread
From: Taku Izumi @ 2010-04-19 11:26 UTC (permalink / raw)
To: Bruce Allan, David S. Miller, Jesse Brandeburg, John Ronciak,
"Kirsher, Jeffre
Cc: Kenji Kaneshige, chavey
This patch adds registers (,tx/rx rings' status and so on) printout
code just before resetting adapters. This will be helpful for detecting
the root cause of adapters reset.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
---
drivers/net/igb/igb_main.c | 332 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 332 insertions(+)
Index: net-next-2.6.34/drivers/net/igb/igb_main.c
===================================================================
--- net-next-2.6.34.orig/drivers/net/igb/igb_main.c
+++ net-next-2.6.34/drivers/net/igb/igb_main.c
@@ -201,6 +201,336 @@ MODULE_DESCRIPTION("Intel(R) Gigabit Eth
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+struct igb_reg_info {
+ u32 ofs;
+ char *name;
+};
+
+static const struct igb_reg_info igb_reg_info_tbl[] = {
+
+ /* General Registers */
+ {E1000_CTRL, "CTRL"},
+ {E1000_STATUS, "STATUS"},
+ {E1000_CTRL_EXT, "CTRL_EXT"},
+
+ /* Interrupt Registers */
+ {E1000_ICR, "ICR"},
+
+ /* RX Registers */
+ {E1000_RCTL, "RCTL"},
+ {E1000_RDLEN(0), "RDLEN"},
+ {E1000_RDH(0), "RDH"},
+ {E1000_RDT(0), "RDT"},
+ {E1000_RXDCTL(0), "RXDCTL"},
+ {E1000_RDBAL(0), "RDBAL"},
+ {E1000_RDBAH(0), "RDBAH"},
+
+ /* TX Registers */
+ {E1000_TCTL, "TCTL"},
+ {E1000_TDBAL(0), "TDBAL"},
+ {E1000_TDBAH(0), "TDBAH"},
+ {E1000_TDLEN(0), "TDLEN"},
+ {E1000_TDH(0), "TDH"},
+ {E1000_TDT(0), "TDT"},
+ {E1000_TXDCTL(0), "TXDCTL"},
+ {E1000_TDFH, "TDFH"},
+ {E1000_TDFT, "TDFT"},
+ {E1000_TDFHS, "TDFHS"},
+ {E1000_TDFPC, "TDFPC"},
+
+ /* List Terminator */
+ {}
+};
+
+/*
+ * igb_regdump - register printout routine
+ */
+static void igb_regdump(struct e1000_hw *hw, struct igb_reg_info *reginfo)
+{
+ int n = 0;
+ char rname[16];
+ u32 regs[8];
+
+ switch (reginfo->ofs) {
+ case E1000_RDLEN(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDLEN(n));
+ break;
+ case E1000_RDH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDH(n));
+ break;
+ case E1000_RDT(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDT(n));
+ break;
+ case E1000_RXDCTL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RXDCTL(n));
+ break;
+ case E1000_RDBAL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDBAL(n));
+ break;
+ case E1000_RDBAH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDBAH(n));
+ break;
+ case E1000_TDBAL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDBAL(n));
+ break;
+ case E1000_TDBAH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDBAH(n));
+ break;
+ case E1000_TDLEN(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDLEN(n));
+ break;
+ case E1000_TDH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDH(n));
+ break;
+ case E1000_TDT(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDT(n));
+ break;
+ case E1000_TXDCTL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TXDCTL(n));
+ break;
+ default:
+ printk(KERN_INFO "%-15s %08x\n",
+ reginfo->name, rd32(reginfo->ofs));
+ return;
+ }
+
+ snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]");
+ printk(KERN_INFO "%-15s ", rname);
+ for (n = 0; n < 4; n++)
+ printk(KERN_CONT "%08x ", regs[n]);
+ printk(KERN_CONT "\n");
+}
+
+/*
+ * igb_dump - Print registers, tx-rings and rx-rings
+ */
+static void igb_dump(struct igb_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct e1000_hw *hw = &adapter->hw;
+ struct igb_reg_info *reginfo;
+ int n = 0;
+ struct igb_ring *tx_ring;
+ union e1000_adv_tx_desc *tx_desc;
+ struct my_u0 { u64 a; u64 b; } *u0;
+ struct igb_buffer *buffer_info;
+ struct igb_ring *rx_ring;
+ union e1000_adv_rx_desc *rx_desc;
+ u32 staterr;
+ int i = 0;
+
+ if (!netif_msg_hw(adapter))
+ return;
+
+ /* Print netdevice Info */
+ if (netdev) {
+ dev_info(&adapter->pdev->dev, "Net device Info\n");
+ printk(KERN_INFO "Device Name state "
+ "trans_start last_rx\n");
+ printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
+ netdev->name,
+ netdev->state,
+ netdev->trans_start,
+ netdev->last_rx);
+ }
+
+ /* Print Registers */
+ dev_info(&adapter->pdev->dev, "Register Dump\n");
+ printk(KERN_INFO " Register Name Value\n");
+ for (reginfo = (struct igb_reg_info *)igb_reg_info_tbl;
+ reginfo->name; reginfo++) {
+ igb_regdump(hw, reginfo);
+ }
+
+ /* Print TX Ring Summary */
+ if (!netdev || !netif_running(netdev))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma ]"
+ " leng ntw timestamp\n");
+ for (n = 0; n < adapter->num_tx_queues; n++) {
+ tx_ring = adapter->tx_ring[n];
+ buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
+ printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
+ n, tx_ring->next_to_use, tx_ring->next_to_clean,
+ (u64)buffer_info->dma,
+ buffer_info->length,
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp);
+ }
+
+ /* Print TX Rings */
+ if (!netif_msg_tx_done(adapter))
+ goto rx_ring_summary;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
+
+ /* Transmit Descriptor Formats
+ *
+ * Advanced Transmit Descriptor
+ * +--------------------------------------------------------------+
+ * 0 | Buffer Address [63:0] |
+ * +--------------------------------------------------------------+
+ * 8 | PAYLEN | PORTS |CC|IDX | STA | DCMD |DTYP|MAC|RSV| DTALEN |
+ * +--------------------------------------------------------------+
+ * 63 46 45 40 39 38 36 35 32 31 24 15 0
+ */
+
+ for (n = 0; n < adapter->num_tx_queues; n++) {
+ tx_ring = adapter->tx_ring[n];
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "TX QUEUE INDEX = %d\n", tx_ring->queue_index);
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "T [desc] [address 63:0 ] "
+ "[PlPOCIStDDM Ln] [bi->dma ] "
+ "leng ntw timestamp bi->skb\n");
+
+ for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
+ tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
+ buffer_info = &tx_ring->buffer_info[i];
+ u0 = (struct my_u0 *)tx_desc;
+ printk(KERN_INFO "T [0x%03X] %016llX %016llX %016llX"
+ " %04X %3X %016llX %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)buffer_info->dma,
+ buffer_info->length,
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp,
+ buffer_info->skb);
+ if (i == tx_ring->next_to_use &&
+ i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC/U\n");
+ else if (i == tx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1, phys_to_virt(buffer_info->dma),
+ buffer_info->length, true);
+ }
+ }
+
+ /* Print RX Rings Summary */
+rx_ring_summary:
+ dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC]\n");
+ for (n = 0; n < adapter->num_rx_queues; n++) {
+ rx_ring = adapter->rx_ring[n];
+ printk(KERN_INFO " %5d %5X %5X\n", n,
+ rx_ring->next_to_use, rx_ring->next_to_clean);
+ }
+
+ /* Print RX Rings */
+ if (!netif_msg_rx_status(adapter))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
+
+ /* Advanced Receive Descriptor (Read) Format
+ * 63 1 0
+ * +-----------------------------------------------------+
+ * 0 | Packet Buffer Address [63:1] |A0/NSE|
+ * +----------------------------------------------+------+
+ * 8 | Header Buffer Address [63:1] | DD |
+ * +-----------------------------------------------------+
+ *
+ *
+ * Advanced Receive Descriptor (Write-Back) Format
+ *
+ * 63 48 47 32 31 30 21 20 17 16 4 3 0
+ * +------------------------------------------------------+
+ * 0 | Packet IP |SPH| HDR_LEN | RSV|Packet| RSS |
+ * | Checksum Ident | | | | Type | Type |
+ * +------------------------------------------------------+
+ * 8 | VLAN Tag | Length | Extended Error | Extended Status |
+ * +------------------------------------------------------+
+ * 63 48 47 32 31 20 19 0
+ */
+
+ for (n = 0; n < adapter->num_rx_queues; n++) {
+ rx_ring = adapter->rx_ring[n];
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "RX QUEUE INDEX = %d\n", rx_ring->queue_index);
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "R [desc] [ PktBuf A0] "
+ "[ HeadBuf DD] [bi->dma ] [bi->skb] "
+ "<-- Adv Rx Read format\n");
+ printk(KERN_INFO "RWB[desc] [PcsmIpSHl PtRs] "
+ "[vl er S cks ln] ---------------- [bi->skb] "
+ "<-- Adv Rx Write-Back format\n");
+
+ for (i = 0; i < rx_ring->count; i++) {
+ buffer_info = &rx_ring->buffer_info[i];
+ rx_desc = E1000_RX_DESC_ADV(*rx_ring, i);
+ u0 = (struct my_u0 *)rx_desc;
+ staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+ if (staterr & E1000_RXD_STAT_DD) {
+ /* Descriptor Done */
+ printk(KERN_INFO "RWB[0x%03X] %016llX "
+ "%016llX ---------------- %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ buffer_info->skb);
+ } else {
+ printk(KERN_INFO "R [0x%03X] %016llX "
+ "%016llX %016llX %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)buffer_info->dma,
+ buffer_info->skb);
+
+ if (netif_msg_pktdata(adapter)) {
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1,
+ phys_to_virt(buffer_info->dma),
+ rx_ring->rx_buffer_len, true);
+ if (rx_ring->rx_buffer_len
+ < IGB_RXBUFFER_1024)
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1,
+ phys_to_virt(
+ buffer_info->page_dma +
+ buffer_info->page_offset),
+ PAGE_SIZE/2, true);
+ }
+ }
+
+ if (i == rx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == rx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ }
+ }
+
+exit:
+ return;
+}
+
+
/**
* igb_read_clock - read raw cycle counter (to be used by time counter)
*/
@@ -3854,6 +4184,8 @@ static void igb_reset_task(struct work_s
struct igb_adapter *adapter;
adapter = container_of(work, struct igb_adapter, reset_task);
+ igb_dump(adapter);
+ netdev_err(adapter->netdev, "Reset adapter\n");
igb_reinit_locked(adapter);
}
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH v3 3/3] ixgbe: add registers etc. printout code just before resetting adapters
2010-04-19 11:20 [PATCH v3 0/3] e1000e,igb,ixgbe: add registers etc. printout code just before resetting adapters Taku Izumi
2010-04-19 11:25 ` [PATCH v3 1/3] e1000e: " Taku Izumi
2010-04-19 11:26 ` [PATCH v3 2/3] igb: " Taku Izumi
@ 2010-04-19 11:28 ` Taku Izumi
2010-04-19 22:44 ` [PATCH v3 0/3] e1000e,igb,ixgbe: " Jeff Kirsher
3 siblings, 0 replies; 5+ messages in thread
From: Taku Izumi @ 2010-04-19 11:28 UTC (permalink / raw)
To: Bruce Allan, David S. Miller, Jesse Brandeburg, John Ronciak,
"Kirsher, Jeffre
Cc: Kenji Kaneshige, chavey
This patch adds registers (,tx/rx rings' status and so on) printout
code just before resetting adapters. This will be helpful for detecting
the root cause of adapters reset.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
---
drivers/net/ixgbe/ixgbe_main.c | 341 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 341 insertions(+)
Index: net-next-2.6.34/drivers/net/ixgbe/ixgbe_main.c
===================================================================
--- net-next-2.6.34.orig/drivers/net/ixgbe/ixgbe_main.c
+++ net-next-2.6.34/drivers/net/ixgbe/ixgbe_main.c
@@ -175,6 +175,345 @@ static inline void ixgbe_disable_sriov(s
adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
}
+struct ixgbe_reg_info {
+ u32 ofs;
+ char *name;
+};
+
+static const struct ixgbe_reg_info ixgbe_reg_info_tbl[] = {
+
+ /* General Registers */
+ {IXGBE_CTRL, "CTRL"},
+ {IXGBE_STATUS, "STATUS"},
+ {IXGBE_CTRL_EXT, "CTRL_EXT"},
+
+ /* Interrupt Registers */
+ {IXGBE_EICR, "EICR"},
+
+ /* RX Registers */
+ {IXGBE_SRRCTL(0), "SRRCTL"},
+ {IXGBE_DCA_RXCTRL(0), "DRXCTL"},
+ {IXGBE_RDLEN(0), "RDLEN"},
+ {IXGBE_RDH(0), "RDH"},
+ {IXGBE_RDT(0), "RDT"},
+ {IXGBE_RXDCTL(0), "RXDCTL"},
+ {IXGBE_RDBAL(0), "RDBAL"},
+ {IXGBE_RDBAH(0), "RDBAH"},
+
+ /* TX Registers */
+ {IXGBE_TDBAL(0), "TDBAL"},
+ {IXGBE_TDBAH(0), "TDBAH"},
+ {IXGBE_TDLEN(0), "TDLEN"},
+ {IXGBE_TDH(0), "TDH"},
+ {IXGBE_TDT(0), "TDT"},
+ {IXGBE_TXDCTL(0), "TXDCTL"},
+
+ /* List Terminator */
+ {}
+};
+
+
+/*
+ * ixgbe_regdump - register printout routine
+ */
+static void ixgbe_regdump(struct ixgbe_hw *hw, struct ixgbe_reg_info *reginfo)
+{
+ int i = 0, j = 0;
+ char rname[16];
+ u32 regs[64];
+
+ switch (reginfo->ofs) {
+ case IXGBE_SRRCTL(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
+ break;
+ case IXGBE_DCA_RXCTRL(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
+ break;
+ case IXGBE_RDLEN(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
+ break;
+ case IXGBE_RDH(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
+ break;
+ case IXGBE_RDT(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
+ break;
+ case IXGBE_RXDCTL(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+ break;
+ case IXGBE_RDBAL(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
+ break;
+ case IXGBE_RDBAH(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
+ break;
+ case IXGBE_TDBAL(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
+ break;
+ case IXGBE_TDBAH(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
+ break;
+ case IXGBE_TDLEN(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
+ break;
+ case IXGBE_TDH(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
+ break;
+ case IXGBE_TDT(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
+ break;
+ case IXGBE_TXDCTL(0):
+ for (i = 0; i < 64; i++)
+ regs[i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
+ break;
+ default:
+ printk(KERN_INFO "%-15s %08x\n", reginfo->name,
+ IXGBE_READ_REG(hw, reginfo->ofs));
+ return;
+ }
+
+ for (i = 0; i < 8; i++) {
+ snprintf(rname, 16, "%s[%d-%d]", reginfo->name, i*8, i*8+7);
+ printk(KERN_ERR "%-15s ", rname);
+ for (j = 0; j < 8; j++)
+ printk(KERN_CONT "%08x ", regs[i*8+j]);
+ printk(KERN_CONT "\n");
+ }
+
+}
+
+/*
+ * ixgbe_dump - Print registers, tx-rings and rx-rings
+ */
+static void ixgbe_dump(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_reg_info *reginfo;
+ int n = 0;
+ struct ixgbe_ring *tx_ring;
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ union ixgbe_adv_tx_desc *tx_desc;
+ struct my_u0 { u64 a; u64 b; } *u0;
+ struct ixgbe_ring *rx_ring;
+ union ixgbe_adv_rx_desc *rx_desc;
+ struct ixgbe_rx_buffer *rx_buffer_info;
+ u32 staterr;
+ int i = 0;
+
+ if (!netif_msg_hw(adapter))
+ return;
+
+ /* Print netdevice Info */
+ if (netdev) {
+ dev_info(&adapter->pdev->dev, "Net device Info\n");
+ printk(KERN_INFO "Device Name state "
+ "trans_start last_rx\n");
+ printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
+ netdev->name,
+ netdev->state,
+ netdev->trans_start,
+ netdev->last_rx);
+ }
+
+ /* Print Registers */
+ dev_info(&adapter->pdev->dev, "Register Dump\n");
+ printk(KERN_INFO " Register Name Value\n");
+ for (reginfo = (struct ixgbe_reg_info *)ixgbe_reg_info_tbl;
+ reginfo->name; reginfo++) {
+ ixgbe_regdump(hw, reginfo);
+ }
+
+ /* Print TX Ring Summary */
+ if (!netdev || !netif_running(netdev))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma ] "
+ "leng ntw timestamp\n");
+ for (n = 0; n < adapter->num_tx_queues; n++) {
+ tx_ring = adapter->tx_ring[n];
+ tx_buffer_info =
+ &tx_ring->tx_buffer_info[tx_ring->next_to_clean];
+ printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
+ n, tx_ring->next_to_use, tx_ring->next_to_clean,
+ (u64)tx_buffer_info->dma,
+ tx_buffer_info->length,
+ tx_buffer_info->next_to_watch,
+ (u64)tx_buffer_info->time_stamp);
+ }
+
+ /* Print TX Rings */
+ if (!netif_msg_tx_done(adapter))
+ goto rx_ring_summary;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
+
+ /* Transmit Descriptor Formats
+ *
+ * Advanced Transmit Descriptor
+ * +--------------------------------------------------------------+
+ * 0 | Buffer Address [63:0] |
+ * +--------------------------------------------------------------+
+ * 8 | PAYLEN | PORTS | IDX | STA | DCMD |DTYP | RSV | DTALEN |
+ * +--------------------------------------------------------------+
+ * 63 46 45 40 39 36 35 32 31 24 23 20 19 0
+ */
+
+ for (n = 0; n < adapter->num_tx_queues; n++) {
+ tx_ring = adapter->tx_ring[n];
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "TX QUEUE INDEX = %d\n", tx_ring->queue_index);
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "T [desc] [address 63:0 ] "
+ "[PlPOIdStDDt Ln] [bi->dma ] "
+ "leng ntw timestamp bi->skb\n");
+
+ for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
+ tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ u0 = (struct my_u0 *)tx_desc;
+ printk(KERN_INFO "T [0x%03X] %016llX %016llX %016llX"
+ " %04X %3X %016llX %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)tx_buffer_info->dma,
+ tx_buffer_info->length,
+ tx_buffer_info->next_to_watch,
+ (u64)tx_buffer_info->time_stamp,
+ tx_buffer_info->skb);
+ if (i == tx_ring->next_to_use &&
+ i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC/U\n");
+ else if (i == tx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ if (netif_msg_pktdata(adapter) &&
+ tx_buffer_info->dma != 0)
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS, 16, 1,
+ phys_to_virt(tx_buffer_info->dma),
+ tx_buffer_info->length, true);
+ }
+ }
+
+ /* Print RX Rings Summary */
+rx_ring_summary:
+ dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC]\n");
+ for (n = 0; n < adapter->num_rx_queues; n++) {
+ rx_ring = adapter->rx_ring[n];
+ printk(KERN_INFO "%5d %5X %5X\n", n,
+ rx_ring->next_to_use, rx_ring->next_to_clean);
+ }
+
+ /* Print RX Rings */
+ if (!netif_msg_rx_status(adapter))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
+
+ /* Advanced Receive Descriptor (Read) Format
+ * 63 1 0
+ * +-----------------------------------------------------+
+ * 0 | Packet Buffer Address [63:1] |A0/NSE|
+ * +----------------------------------------------+------+
+ * 8 | Header Buffer Address [63:1] | DD |
+ * +-----------------------------------------------------+
+ *
+ *
+ * Advanced Receive Descriptor (Write-Back) Format
+ *
+ * 63 48 47 32 31 30 21 20 16 15 4 3 0
+ * +------------------------------------------------------+
+ * 0 | Packet IP |SPH| HDR_LEN | RSV|Packet| RSS |
+ * | Checksum Ident | | | | Type | Type |
+ * +------------------------------------------------------+
+ * 8 | VLAN Tag | Length | Extended Error | Extended Status |
+ * +------------------------------------------------------+
+ * 63 48 47 32 31 20 19 0
+ */
+ for (n = 0; n < adapter->num_rx_queues; n++) {
+ rx_ring = adapter->rx_ring[n];
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "RX QUEUE INDEX = %d\n", rx_ring->queue_index);
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "R [desc] [ PktBuf A0] "
+ "[ HeadBuf DD] [bi->dma ] [bi->skb] "
+ "<-- Adv Rx Read format\n");
+ printk(KERN_INFO "RWB[desc] [PcsmIpSHl PtRs] "
+ "[vl er S cks ln] ---------------- [bi->skb] "
+ "<-- Adv Rx Write-Back format\n");
+
+ for (i = 0; i < rx_ring->count; i++) {
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
+ rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
+ u0 = (struct my_u0 *)rx_desc;
+ staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+ if (staterr & IXGBE_RXD_STAT_DD) {
+ /* Descriptor Done */
+ printk(KERN_INFO "RWB[0x%03X] %016llX "
+ "%016llX ---------------- %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ rx_buffer_info->skb);
+ } else {
+ printk(KERN_INFO "R [0x%03X] %016llX "
+ "%016llX %016llX %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)rx_buffer_info->dma,
+ rx_buffer_info->skb);
+
+ if (netif_msg_pktdata(adapter)) {
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS, 16, 1,
+ phys_to_virt(rx_buffer_info->dma),
+ rx_ring->rx_buf_len, true);
+
+ if (rx_ring->rx_buf_len
+ < IXGBE_RXBUFFER_2048)
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS, 16, 1,
+ phys_to_virt(
+ rx_buffer_info->page_dma +
+ rx_buffer_info->page_offset
+ ),
+ PAGE_SIZE/2, true);
+ }
+ }
+
+ if (i == rx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == rx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ }
+ }
+
+exit:
+ return;
+}
+
static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter)
{
u32 ctrl_ext;
@@ -3380,6 +3719,8 @@ static void ixgbe_reset_task(struct work
adapter->tx_timeout_count++;
+ ixgbe_dump(adapter);
+ netdev_err(adapter->netdev, "Reset adapter\n");
ixgbe_reinit_locked(adapter);
}
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH v3 0/3] e1000e,igb,ixgbe: add registers etc. printout code just before resetting adapters
2010-04-19 11:20 [PATCH v3 0/3] e1000e,igb,ixgbe: add registers etc. printout code just before resetting adapters Taku Izumi
` (2 preceding siblings ...)
2010-04-19 11:28 ` [PATCH v3 3/3] ixgbe: " Taku Izumi
@ 2010-04-19 22:44 ` Jeff Kirsher
3 siblings, 0 replies; 5+ messages in thread
From: Jeff Kirsher @ 2010-04-19 22:44 UTC (permalink / raw)
To: Taku Izumi
Cc: Bruce Allan, David S. Miller, Jesse Brandeburg, John Ronciak,
netdev@vger.kernel.org, PJ Waskiewicz, Kenji Kaneshige, chavey
2010/4/19 Taku Izumi <izumi.taku@jp.fujitsu.com>:
> Hi Jeff,
>
> This patchset is the update version of "register etc. printout code" patch.
> The old ones are
> http://kerneltrap.org/mailarchive/linux-netdev/2010/1/7/6265865
> http://kerneltrap.org/mailarchive/linux-netdev/2010/1/22/6267176
>
> v2 -> v3:
> - avoid modifying headers
> - delete "dump_flag" module parameter and use msglvl instead.
>
> To enable the printout, it is necessary to specify msglvl like the following.
> # ethtool -s eth0 msglvl 0x2003
>
> Best regards,
> Taku Izumi
>
Thank you Taku. I have added the series of patches to my queue of
patches destined for net-next.
--
Cheers,
Jeff
^ permalink raw reply [flat|nested] 5+ messages in thread