https://github.com/torvalds/linux
Revision 4d02da974ea85a62074efedf354e82778f910d82 authored by Linus Torvalds on 19 November 2020, 21:33:16 UTC, committed by Linus Torvalds on 19 November 2020, 21:33:16 UTC
Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.10-rc5, including fixes from the WiFi
  (mac80211), can and bpf (including the strncpy_from_user fix).

  Current release - regressions:

   - mac80211: fix memory leak of filtered powersave frames

   - mac80211: free sta in sta_info_insert_finish() on errors to avoid
     sleeping in atomic context

   - netlabel: fix an uninitialized variable warning added in -rc4

  Previous release - regressions:

   - vsock: forward all packets to the host when no H2G is registered,
     un-breaking AWS Nitro Enclaves

   - net: Exempt multicast addresses from five-second neighbor lifetime
     requirement, decreasing the chances neighbor tables fill up

   - net/tls: fix corrupted data in recvmsg

   - qed: fix ILT configuration of SRC block

   - can: m_can: process interrupt only when not runtime suspended

  Previous release - always broken:

   - page_frag: Recover from memory pressure by not recycling pages
     allocating from the reserves

   - strncpy_from_user: Mask out bytes after NUL terminator

   - ip_tunnels: Set tunnel option flag only when tunnel metadata is
     present, always setting it confuses Open vSwitch

   - bpf, sockmap:
      - Fix partial copy_page_to_iter so progress can still be made
      - Fix socket memory accounting and obeying SO_RCVBUF

   - net: Have netpoll bring-up DSA management interface

   - net: bridge: add missing counters to ndo_get_stats64 callback

   - tcp: brr: only postpone PROBE_RTT if RTT is < current min_rtt

   - enetc: Workaround MDIO register access HW bug

   - net/ncsi: move netlink family registration to a subsystem init,
     instead of tying it to driver probe

   - net: ftgmac100: unregister NC-SI when removing driver to avoid
     crash

   - lan743x:
      - prevent interrupt storm on open
      - fix freeing skbs in the wrong context

   - net/mlx5e: Fix socket refcount leak on kTLS RX resync

   - net: dsa: mv88e6xxx: Avoid VLAN database corruption on 6097

   - fix 21 unset return codes and other mistakes on error paths, mostly
     detected by the Hulk Robot"

* tag 'net-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (115 commits)
  fail_function: Remove a redundant mutex unlock
  selftest/bpf: Test bpf_probe_read_user_str() strips trailing bytes after NUL
  lib/strncpy_from_user.c: Mask out bytes after NUL terminator.
  net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid()
  net/smc: fix matching of existing link groups
  ipv6: Remove dependency of ipv6_frag_thdr_truncated on ipv6 module
  libbpf: Fix VERSIONED_SYM_COUNT number parsing
  net/mlx4_core: Fix init_hca fields offset
  atm: nicstar: Unmap DMA on send error
  page_frag: Recover from memory pressure
  net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset
  mlxsw: core: Use variable timeout for EMAD retries
  mlxsw: Fix firmware flashing
  net: Have netpoll bring-up DSA management interface
  atl1e: fix error return code in atl1e_probe()
  atl1c: fix error return code in atl1c_probe()
  ah6: fix error return code in ah6_input()
  net: usb: qmi_wwan: Set DTR quirk for MR400
  can: m_can: process interrupt only when not runtime suspended
  can: flexcan: flexcan_chip_start(): fix erroneous flexcan_transceiver_enable() during bus-off recovery
  ...
2 parent s 3be28e9 + e6ea60b
Raw File
Tip revision: 4d02da974ea85a62074efedf354e82778f910d82 authored by Linus Torvalds on 19 November 2020, 21:33:16 UTC
Merge tag 'net-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Tip revision: 4d02da9
nsp32_debug.c
/*
 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
 * Debug routine
 *
 * This software may be used and distributed according to the terms of
 * the GNU General Public License.
 */

/*
 * Show the command data of a command
 */
static const char unknown[] = "UNKNOWN";

static const char * group_0_commands[] = {
/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",  
/* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic", 
/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
};


static const char *group_1_commands[] = {
/* 20-22 */  unknown, unknown, unknown,
/* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
/* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position", 
/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
/* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
/* 3d-3f */ "Update Block", "Read Long",  "Write Long",
};


static const char *group_2_commands[] = {
/* 40-41 */ "Change Definition", "Write Same", 
/* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)", 
/* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
/* 5c-5f */ unknown, unknown, unknown,
};

#define group(opcode) (((opcode) >> 5) & 7)

#define RESERVED_GROUP  0
#define VENDOR_GROUP    1
#define NOTEXT_GROUP    2

static const char **commands[] = {
    group_0_commands, group_1_commands, group_2_commands, 
    (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP, 
    (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP, 
    (const char **) VENDOR_GROUP
};

static const char reserved[] = "RESERVED";
static const char vendor[] = "VENDOR SPECIFIC";

static void print_opcodek(unsigned char opcode)
{
	const char **table = commands[ group(opcode) ];

	switch ((unsigned long) table) {
	case RESERVED_GROUP:
		printk("%s[%02x] ", reserved, opcode); 
		break;
	case NOTEXT_GROUP:
		printk("%s(notext)[%02x] ", unknown, opcode); 
		break;
	case VENDOR_GROUP:
		printk("%s[%02x] ", vendor, opcode); 
		break;
	default:
		if (table[opcode & 0x1f] != unknown)
			printk("%s[%02x] ", table[opcode & 0x1f], opcode);
		else
			printk("%s[%02x] ", unknown, opcode);
		break;
	}
}

static void print_commandk (unsigned char *command)
{
	int i,s;
//	printk(KERN_DEBUG);
	print_opcodek(command[0]);
	/*printk(KERN_DEBUG "%s ", __func__);*/
	if ((command[0] >> 5) == 6 ||
	    (command[0] >> 5) == 7 ) {
		s = 12; /* vender specific */
	} else {
		s = COMMAND_SIZE(command[0]);
	}

	for ( i = 1; i < s; ++i) {
		printk("%02x ", command[i]);
	}

	switch (s) {
	case 6:
		printk("LBA=%d len=%d",
		       (((unsigned int)command[1] & 0x0f) << 16) |
		       ( (unsigned int)command[2]         <<  8) |
		       ( (unsigned int)command[3]              ),
		       (unsigned int)command[4]
			);
		break;
	case 10:
		printk("LBA=%d len=%d",
		       ((unsigned int)command[2] << 24) |
		       ((unsigned int)command[3] << 16) |
		       ((unsigned int)command[4] <<  8) |
		       ((unsigned int)command[5]      ),
		       ((unsigned int)command[7] <<  8) |
		       ((unsigned int)command[8]      )
		       );
		break;
	case 12:
		printk("LBA=%d len=%d",
		       ((unsigned int)command[2] << 24) |
		       ((unsigned int)command[3] << 16) |
		       ((unsigned int)command[4] <<  8) |
		       ((unsigned int)command[5]      ),
		       ((unsigned int)command[6] << 24) |
		       ((unsigned int)command[7] << 16) |
		       ((unsigned int)command[8] <<  8) |
		       ((unsigned int)command[9]      )
		       );
		break;
	default:
		break;
	}
	printk("\n");
}

static void show_command(struct scsi_cmnd *SCpnt)
{
	print_commandk(SCpnt->cmnd);
}

static void show_busphase(unsigned char stat)
{
	switch(stat) {
	case BUSPHASE_COMMAND:
		printk( "BUSPHASE_COMMAND\n");
		break;
	case BUSPHASE_MESSAGE_IN:
		printk( "BUSPHASE_MESSAGE_IN\n");
		break;
	case BUSPHASE_MESSAGE_OUT:
		printk( "BUSPHASE_MESSAGE_OUT\n");
		break;
	case BUSPHASE_DATA_IN:
		printk( "BUSPHASE_DATA_IN\n");
		break;
	case BUSPHASE_DATA_OUT:
		printk( "BUSPHASE_DATA_OUT\n");
		break;
	case BUSPHASE_STATUS:
		printk( "BUSPHASE_STATUS\n");
		break;
	case BUSPHASE_SELECT:
		printk( "BUSPHASE_SELECT\n");
		break;
	default:
		printk( "BUSPHASE_other: 0x%x\n", stat);
		break;
	}
}

static void show_autophase(unsigned short i)
{
	printk("auto: 0x%x,", i);

	if(i & COMMAND_PHASE) {
		printk(" cmd");
	}
	if(i & DATA_IN_PHASE) {
		printk(" din");
	}
	if(i & DATA_OUT_PHASE) {
		printk(" dout");
	}
	if(i & MSGOUT_PHASE) {
		printk(" mout");
	}
	if(i & STATUS_PHASE) {
		printk(" stat");
	}
	if(i & ILLEGAL_PHASE) {
		printk(" ill");
	}
	if(i & BUS_FREE_OCCUER) {
		printk(" bfree-o");
	}
	if(i & MSG_IN_OCCUER) {
		printk(" min-o");
	}
	if(i & MSG_OUT_OCCUER) {
		printk(" mout-o");
	}
	if(i & SELECTION_TIMEOUT) {
		printk(" sel");
	}
	if(i & MSGIN_00_VALID) {
		printk(" m0");
	}
	if(i & MSGIN_02_VALID) {
		printk(" m2");
	}
	if(i & MSGIN_03_VALID) {
		printk(" m3");
	}
	if(i & MSGIN_04_VALID) {
		printk(" m4");
	}
	if(i & AUTOSCSI_BUSY) {
		printk(" busy");
	}

	printk("\n");
}

static void nsp32_print_register(int base)
{
	if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
		return;

	printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
	printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
	printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
	printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
	printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
	printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
	printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
	printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
	printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
	printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
	printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
	printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
	printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
	printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
	printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
	printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
	printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
	printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
	printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
	printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
	printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
	printk("\n");

	if (0) {
		printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
		printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
		printk("\n");
	}
}

/* end */
back to top