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2017-12-21sfc: expose FEC stats on Medford2Edward Cree2-1/+30
There's no explicit capability bit, so we just condition them on having efx->num_mac_stats >= MC_CMD_MAC_NSTATS_V2. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21sfc: support variable number of MAC statsEdward Cree5-11/+29
Medford2 NICs support more than MC_CMD_MAC_NSTATS stats, and report the new count in a field of MC_CMD_GET_CAPABILITIES_V4. This also means that the end generation count moves (it is, as before, the last 64 bits of the DMA buffer, but that is no longer MC_CMD_MAC_GENERATION_END). So read num_mac_stats from the GET_CAPABILITIES response, if present; otherwise assume MC_CMD_MAC_NSTATS; and always use num_mac_stats - 1 rather than MC_CMD_MAC_GENERATION_END. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21sfc: update MCDI protocol headersEdward Cree1-144/+2309
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21cxgb4: add new T5 and T6 device id'sGanesh Goudar1-0/+2
Add device id's 0x50ac, 0x6087 for T5 and T6 cards respectively. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: dwc-xlgmac: Get rid of custom hex_dump_to_buffer()Jie Deng1-17/+7
Get rid of custom hex_dump_to_buffer(). The output is slightly changed, i.e. each byte followed by white space. Note, we don't use print_hex_dump() here since the original code uses nedev_dbg(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jie Deng <jiedeng@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21phylink: avoid attaching more than one PHYRussell King1-0/+3
Attaching more than one PHY to phylink is bad news, as we store a pointer to the PHY in a single location. Error out if more than one PHY is attempted to be attached. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: ibm: emac: support RGMII-[RX|TX]ID phymodeChristian Lamparter2-4/+7
The RGMII spec allows compliance for devices that implement an internal delay on TXC and/or RXC inside the transmitter. This patch adds the necessary RGMII_[RX|TX]ID mode code to handle such PHYs with the emac driver. Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: ibm: emac: replace custom PHY_MODE_* macrosChristian Lamparter5-57/+44
The ibm_emac driver predates the PHY_INTERFACE_MODE_* enums by a few years. And while the driver has been retrofitted to use the PHYLIB, the old definitions have stuck around to this day. This patch replaces all occurences of PHY_MODE_* with the respective equivalent PHY_INTERFACE_MODE_* enum. And finally, it purges the old macros for good. Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: ibm: emac: replace custom rgmii_mode_name with phy_modesChristian Lamparter1-19/+1
phy_modes() in the common phy.h already defines the same phy mode names in lower case. The deleted rgmii_mode_name() is used only in one place and for a "notice-level" printk. Hence, it will not be missed. Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: sch_drr: add extack supportAlexander Aring1-5/+14
This patch adds extack support for the drr qdisc implementation by adding NL_SET_ERR_MSG in validation of user input. Also it serves to illustrate a use case of how the infrastructure ops api changes are to be used by individual qdiscs. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: sch_cbs: add extack supportAlexander Aring1-7/+16
This patch adds extack support for the cbs qdisc implementation by adding NL_SET_ERR_MSG in validation of user input. Also it serves to illustrate a use case of how the infrastructure ops api changes are to be used by individual qdiscs. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: sch_cbq: add extack supportAlexander Aring1-12/+34
This patch adds extack support for the cbq qdisc implementation by adding NL_SET_ERR_MSG in validation of user input. Also it serves to illustrate a use case of how the infrastructure ops api changes are to be used by individual qdiscs. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: api: add extack support in qdisc_create_dfltAlexander Aring18-40/+56
This patch adds extack support for the function qdisc_create_dflt which is a common used function in the tc subsystem. Callers which are interested in the receiving error can assign extack to get a more detailed information why qdisc_create_dflt failed. The function qdisc_create_dflt will also call an init callback which can fail by any per-qdisc specific handling. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: api: add extack support in qdisc_allocAlexander Aring3-4/+7
This patch adds extack support for the function qdisc_alloc which is a common used function in the tc subsystem. Callers which are interested in the receiving error can assign extack to get a more detailed information why qdisc_alloc failed. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: api: add extack support in tcf_block_getAlexander Aring15-25/+36
This patch adds extack support for the function tcf_block_get which is a common used function in the tc subsystem. Callers which are interested in the receiving error can assign extack to get a more detailed information why tcf_block_get failed. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sch: api: add extack support in qdisc_get_rtabAlexander Aring6-12/+23
This patch adds extack support for the function qdisc_get_rtab which is a common used function in the tc subsystem. Callers which are interested in the receiving error can assign extack to get a more detailed information why qdisc_get_rtab failed. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: sch: add extack for graft callbackAlexander Aring17-17/+23
This patch adds extack support for graft callback to prepare per-qdisc specific changes for extack. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: sch: add extack for block callbackAlexander Aring16-18/+33
This patch adds extack support for block callback to prepare per-qdisc specific changes for extack. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: sch: add extack to change classAlexander Aring11-11/+18
This patch adds extack support for class change callback api. This prepares to handle extack support inside each specific class implementation. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: sch: add extack for change qdisc opsAlexander Aring19-40/+52
This patch adds extack support for change callback for qdisc ops structtur to prepare per-qdisc specific changes for extack. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: sch: add extack for init callbackAlexander Aring31-37/+74
This patch adds extack support for init callback to prepare per-qdisc specific changes for extack. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: sch_api: handle generic qdisc errorsAlexander Aring1-43/+105
This patch adds extack support for generic qdisc handling. The extack will be set deeper to each called function which is not part of netdev core api. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21net: sched: fix coding style issuesAlexander Aring6-13/+14
This patch fix checkpatch issues for upcomming patches according to the sched api file. It changes mostly how to check on null pointer. Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: replace open-coded in*_pton()Julian Wiedmann3-89/+12
There's a common helper for parsing an IP address string, let's use it. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: pass full data length to l3_fill_header()Julian Wiedmann1-8/+10
The TSO and IQD paths already need to fix-up the current values, and OSA will require more flexibility in the future as well. So just let the caller specify the data length. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: streamline l3_fill_header()Julian Wiedmann1-56/+43
Consolidate the cast type translation, move the passthru path out of the RCU-guarded section, and use the appropriate rtable helpers when determining the next-hop address. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: unionize next-hop field in qeth L3 headerJulian Wiedmann2-8/+23
The L3 packet descriptor's 'dest_addr' field is used for a different purpose in RX descriptors. Clean up the hard-coded byte accesses and try to be more self-documenting. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: recognize non-IP multicast on L3 transmitJulian Wiedmann2-5/+1
When 1. an skb has no neighbour, and 2. skb->protocol is not IP[V6], we select the skb's cast type based on its destination MAC address. The multicast check is currently restricted to Multicast IP-mapped MACs. Extend it to also cover non-IP Multicast MACs. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: clean up l3_get_cast_type()Julian Wiedmann2-35/+20
Use the proper helpers to check for multicast IP addressing, and remove some ancient Token Ring code. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: robustify qeth_get_ip_version()Julian Wiedmann1-6/+8
Instead of assuming that skb->data points to the Ethernet header, use the right helper and struct to access the Ethertype field. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: align L2 and L3 set_rx_mode() implementationsJulian Wiedmann2-67/+43
Once all of qeth_l3_set_rx_mode()'s single-use helpers are folded back in, the two implementations actually look quite similar. So improve the readability by converting both set_rx_mode() routines to a common format. This also allows us to walk ip_mc_htable just once, instead of three times. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: use ether_addr_* helpersJulian Wiedmann6-37/+32
Be a little more self-documenting, and get rid of OSA_ADDR_LEN. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: consolidate qeth MAC address helpersJulian Wiedmann1-29/+18
For adding/removing a MAC address, use just one helper each that handles both unicast and multicast. Saves one level of indirection for multicast addresses, while improving the error reporting for unicast addresses. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: don't keep track of MAC address's cast typeJulian Wiedmann2-20/+8
Instead of tracking the uc/mc state in each MAC address object, just check the multicast bit in the address itself. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: drop CONFIG_QETH_IPV6Julian Wiedmann2-54/+9
commit "s390/qeth: use ip*_eth_mc_map helpers" removed the last occurrence of CONFIG_IPV6-dependent code. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20s390/qeth: use ip*_eth_mc_map helpersJulian Wiedmann1-29/+14
Get rid of some wrapper indirection, and stop accessing the skb at hard-coded offsets. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20qeth: convert qeth_reply.refcnt from atomic_t to refcount_tElena Reshetova2-6/+5
atomic_t variables are currently used to implement reference counters with the following properties: - counter is initialized to 1 using atomic_set() - a resource is freed upon counter reaching zero - once counter reaches zero, its further increments aren't allowed - counter schema uses basic atomic operations (set, inc, inc_not_zero, dec_and_test, etc.) Such atomic variables should be converted to a newly provided refcount_t type and API that prevents accidental counter overflows and underflows. This is important since overflows and underflows can lead to use-after-free situation and be exploitable. The variable qeth_reply.refcnt is used as pure reference counter. Convert it to refcount_t and fix up the operations. Suggested-by: Kees Cook <keescook@chromium.org> Reviewed-by: David Windsor <dwindsor@gmail.com> Reviewed-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> [jwi: removed the WARN_ONs. Use CONFIG_REFCOUNT_FULL if you care.] Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: convert lcs_reply.refcnt from atomic_t to refcount_tElena Reshetova2-8/+5
atomic_t variables are currently used to implement reference counters with the following properties: - counter is initialized to 1 using atomic_set() - a resource is freed upon counter reaching zero - once counter reaches zero, its further increments aren't allowed - counter schema uses basic atomic operations (set, inc, inc_not_zero, dec_and_test, etc.) Such atomic variables should be converted to a newly provided refcount_t type and API that prevents accidental counter overflows and underflows. This is important since overflows and underflows can lead to use-after-free situation and be exploitable. The variable lcs_reply.refcnt is used as pure reference counter. Convert it to refcount_t and fix up the operations. Suggested-by: Kees Cook <keescook@chromium.org> Reviewed-by: David Windsor <dwindsor@gmail.com> Reviewed-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> [jwi: removed the WARN_ONs. Use CONFIG_REFCOUNT_FULL if you care.] Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: tracepoint: using sock_set_state tracepoint to trace SCTP state transitionYafang Shao3-9/+9
With changes in inet_ files, SCTP state transitions are traced with inet_sock_set_state tracepoint. As SCTP state names, i.e. SCTP_SS_CLOSED, SCTP_SS_ESTABLISHED, have the same value with TCP state names. So the output info still print the TCP state names, that makes the code easy. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: tracepoint: using sock_set_state tracepoint to trace DCCP state transitionYafang Shao1-1/+1
With changes in inet_ files, DCCP state transitions are traced with inet_sock_set_state tracepoint. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: sock: replace sk_state_load with inet_sk_state_load and remove sk_state_storeYafang Shao7-32/+30
sk_state_load is only used by AF_INET/AF_INET6, so rename it to inet_sk_state_load and move it into inet_sock.h. sk_state_store is removed as it is not used any more. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: tracepoint: replace tcp_set_state tracepoint with inet_sock_set_state tracepointYafang Shao7-40/+128
As sk_state is a common field for struct sock, so the state transition tracepoint should not be a TCP specific feature. Currently it traces all AF_INET state transition, so I rename this tracepoint to inet_sock_set_state tracepoint with some minor changes and move it into trace/events/sock.h. We dont need to create a file named trace/events/inet_sock.h for this one single tracepoint. Two helpers are introduced to trace sk_state transition - void inet_sk_state_store(struct sock *sk, int newstate); - void inet_sk_set_state(struct sock *sk, int state); As trace header should not be included in other header files, so they are defined in sock.c. The protocol such as SCTP maybe compiled as a ko, hence export inet_sk_set_state(). Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20tcp: Export to userspace the TCP state names for the trace eventsSteven Rostedt (VMware)1-13/+28
The TCP trace events (specifically tcp_set_state), maps emums to symbol names via __print_symbolic(). But this only works for reading trace events from the tracefs trace files. If perf or trace-cmd were to record these events, the event format file does not convert the enum names into numbers, and you get something like: __print_symbolic(REC->oldstate, { TCP_ESTABLISHED, "TCP_ESTABLISHED" }, { TCP_SYN_SENT, "TCP_SYN_SENT" }, { TCP_SYN_RECV, "TCP_SYN_RECV" }, { TCP_FIN_WAIT1, "TCP_FIN_WAIT1" }, { TCP_FIN_WAIT2, "TCP_FIN_WAIT2" }, { TCP_TIME_WAIT, "TCP_TIME_WAIT" }, { TCP_CLOSE, "TCP_CLOSE" }, { TCP_CLOSE_WAIT, "TCP_CLOSE_WAIT" }, { TCP_LAST_ACK, "TCP_LAST_ACK" }, { TCP_LISTEN, "TCP_LISTEN" }, { TCP_CLOSING, "TCP_CLOSING" }, { TCP_NEW_SYN_RECV, "TCP_NEW_SYN_RECV" }) Where trace-cmd and perf do not know the values of those enums. Use the TRACE_DEFINE_ENUM() macros that will have the trace events convert the enum strings into their values at system boot. This will allow perf and trace-cmd to see actual numbers and not enums: __print_symbolic(REC->oldstate, { 1, "TCP_ESTABLISHED" }, { 2, "TCP_SYN_SENT" }, { 3, "TCP_SYN_RECV" }, { 4, "TCP_FIN_WAIT1" }, { 5, "TCP_FIN_WAIT2" }, { 6, "TCP_TIME_WAIT" }, { 7, "TCP_CLOSE" }, { 8, "TCP_CLOSE_WAIT" }, { 9, "TCP_LAST_ACK" }, { 10, "TCP_LISTEN" }, { 11, "TCP_CLOSING" }, { 12, "TCP_NEW_SYN_RECV" }) Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20netdevsim: correctly check return value of debugfs_create_dirPrashant Bhole2-6/+8
- Checking return value with IS_ERROR_OR_NULL - Added error handling where it was not handled Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20ip6_gre: fix potential memory leak in ip6erspan_rcvHaishuang Yan1-1/+3
If md is NULL, tun_dst must be freed, otherwise it will cause memory leak. Fixes: ef7baf5e083c ("ip6_gre: add ip6 erspan collect_md mode") Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20ip_gre: fix potential memory leak in erspan_rcvHaishuang Yan1-1/+3
If md is NULL, tun_dst must be freed, otherwise it will cause memory leak. Fixes: 1a66a836da6 ("gre: add collect_md mode to ERSPAN tunnel") Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20ip6_gre: fix error path when ip6erspan_rcv failedHaishuang Yan1-1/+2
Same as ipv4 code, when ip6erspan_rcv call return PACKET_REJECT, we should call icmpv6_send to send icmp unreachable message in error path. Fixes: 5a963eb61b7c ("ip6_gre: Add ERSPAN native tunnel support") Acked-by: William Tu <u9012063@gmail.com> Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20ip_gre: fix error path when erspan_rcv failedHaishuang Yan1-0/+2
When erspan_rcv call return PACKET_REJECT, we shoudn't call ipgre_rcv to process packets again, instead send icmp unreachable message in error path. Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Acked-by: William Tu <u9012063@gmail.com> Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20ip6_gre: fix a pontential issue in ip6erspan_rcvHaishuang Yan1-3/+2
pskb_may_pull() can change skb->data, so we need to load ipv6h/ershdr at the right place. Fixes: 5a963eb61b7c ("ip6_gre: Add ERSPAN native tunnel support") Cc: William Tu <u9012063@gmail.com> Acked-by: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: amd-xgbe: Get rid of custom hex_dump_to_buffer()Andy Shevchenko1-17/+7
Get rid of yet another custom hex_dump_to_buffer(). The output is slightly changed, i.e. each byte followed by white space. Note, we don't use print_hex_dump() here since the original code uses nedev_dbg(). Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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