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Vincenzo Maffione 0ff2126795 iflib: netmap: fix rsync index overrun 
In the current iflib_netmap_rxsync, there is nothing that prevents
kring->nr_hwtail to overrun kring->nr_hwcur during the descriptor
import phase. This may cause errors in netmap applications, such as:

em1 RX0: fail 'head < kring->nr_hwcur || head > kring->nr_hwtail'
    h 795 c 795 t 282 rh 795 rc 795 rt 282 hc 282 ht 282

Reviewed by:	gallatin
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25252
2020-06-23 20:23:56 +00:00
..
altq
Use a void * argument to callout handlers instead of timeout_t casts.
2019-12-05 18:47:29 +00:00
route
Switch rtsock code to using newly-create rib_action() KPI call.
2020-06-10 07:46:22 +00:00
bpf_buffer.c
Add an external mbuf buffer type that holds multiple unmapped pages.
2019-06-29 00:48:33 +00:00
bpf_buffer.h
…
bpf_filter.c
…
bpf_jitter.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
bpf_jitter.h
…
bpf_zerocopy.c
Change synchonization rules for vm_page reference counting.
2019-09-09 21:32:42 +00:00
bpf_zerocopy.h
…
bpf.c
To avoid a startup script race change net.bpf.optimize_writers from
2020-06-23 13:57:53 +00:00
bpf.h
Extract eventfilter declarations to sys/_eventfilter.h
2019-05-20 00:38:23 +00:00
bpfdesc.h
Rework locking in BPF code to remove rwlock from fast path.
2019-05-13 13:45:28 +00:00
bridgestp.c
bridge: Fix panic if the STP root is removed
2019-03-15 11:21:20 +00:00
bridgestp.h
…
debugnet_inet.c
Implement NetGDB(4)
2019-10-17 21:33:01 +00:00
debugnet_int.h
Implement NetGDB(4)
2019-10-17 21:33:01 +00:00
debugnet.c
Convert debugnet to the new routing KPI.
2020-04-26 18:42:38 +00:00
debugnet.h
Implement NetGDB(4)
2019-10-17 21:33:01 +00:00
dlt.h
MFV r353141 (by phillip):
2019-12-21 21:01:03 +00:00
ethernet.h
typo: stray spaces.
2020-02-07 15:16:04 +00:00
firewire.h
…
ieee8023ad_lacp.c
make lacp's use_numa hashing aware of send tags
2020-03-09 13:44:51 +00:00
ieee8023ad_lacp.h
make lacp's use_numa hashing aware of send tags
2020-03-09 13:44:51 +00:00
ieee_oui.h
Fix a typo in r349969
2019-07-14 03:49:48 +00:00
if_arp.h
Improve ARP logging.
2019-03-09 01:12:59 +00:00
if_bridge.c
bridge: epoch-ification
2020-04-26 16:22:35 +00:00
if_bridgevar.h
bridge: Move locking defines into if_bridge.c
2020-02-26 08:47:18 +00:00
if_clone.c
epair: Do not abuse params to register the second interface
2020-01-28 22:44:24 +00:00
if_clone.h
epair: Do not abuse params to register the second interface
2020-01-28 22:44:24 +00:00
if_dead.c
This adds the third step in getting BBR into the tree. BBR and
2019-08-01 14:17:31 +00:00
if_debug.c
…
if_disc.c
…
if_dl.h
…
if_edsc.c
if_edsc: generate an arbitrary MAC address
2020-03-02 02:45:57 +00:00
if_enc.c
Consistently include opt_ipsec.h for consumers of <netipsec/ipsec.h>.
2020-05-29 19:22:40 +00:00
if_enc.h
…
if_epair.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
if_ethersubr.c
ethersubr: Make the mac address generation more robust
2020-04-18 07:50:30 +00:00
if_fwsubr.c
…
if_gif.c
Add if_reassing method to all tunneling interfaces.
2020-06-03 13:02:31 +00:00
if_gif.h
gif_transmit() must always be called in the network epoch.
2020-01-15 06:18:32 +00:00
if_gre.c
Add if_reassing method to all tunneling interfaces.
2020-06-03 13:02:31 +00:00
if_gre.h
Add GRE-in-UDP encapsulation support as defined in RFC8086.
2019-04-24 09:05:45 +00:00
if_ipsec.c
Add if_reassing method to all tunneling interfaces.
2020-06-03 13:02:31 +00:00
if_ipsec.h
…
if_lagg.c
Decode the "LACP Fast Timeout" LAGG option flag
2020-06-11 22:46:08 +00:00
if_lagg.h
Decode the "LACP Fast Timeout" LAGG option flag
2020-06-11 22:46:08 +00:00
if_llatbl.c
* Add rib_<add|del|change>_route() functions to manipulate the routing table.
2020-06-01 20:49:42 +00:00
if_llatbl.h
Implement optional table entry limits for if_llatbl.
2020-03-04 17:17:02 +00:00
if_llc.h
…
if_loop.c
…
if_me.c
Add if_reassing method to all tunneling interfaces.
2020-06-03 13:02:31 +00:00
if_media.c
if_media.c: staticize and constify ifmedia description structures used under IFMEDIA_DEBUG.
2020-02-11 17:45:01 +00:00
if_media.h
if_media.h: Add 50G KR4 ethernet media type.
2020-02-11 18:03:45 +00:00
if_mib.c
net.link.generic.ifdata.<ifindex>.linkspecific: rework handler
2020-06-21 18:40:17 +00:00
if_mib.h
…
if_pflog.h
…
if_pfsync.h
…
if_sppp.h
…
if_spppfr.c
…
if_spppsubr.c
Don't use if_maddr_rlock() in sppp(4), use epoch(9) directly instead.
2019-10-10 23:54:37 +00:00
if_stf.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
if_tap.h
tap: add support for virtio-net offloads
2019-10-18 21:53:27 +00:00
if_tun.h
if_tuntap(4): Add TUNGIFNAME
2019-07-25 22:23:34 +00:00
if_tuntap.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
if_types.h
…
if_var.h
Move <add|del|change>_route() functions to route_ctl.c in preparation of
2020-05-23 19:06:57 +00:00
if_vlan_var.h
Extract eventfilter declarations to sys/_eventfilter.h
2019-05-20 00:38:23 +00:00
if_vlan.c
vlan: Fix panic when vnet jail with a vlan interface is destroyed
2020-01-31 22:54:44 +00:00
if_vxlan.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
if_vxlan.h
…
if.c
Use epoch(9) for rtentries to simplify control plane operations.
2020-05-23 10:21:02 +00:00
if.h
Although most of the NIC drivers are epoch ready, due to peer pressure
2020-02-24 21:07:30 +00:00
ifdi_if.m
iflib: Stop interface before (un)registering VLAN
2020-04-27 22:02:44 +00:00
iflib_clone.c
- Remove the unused ifc_link_irq and ifc_mtx_name members of struct iflib_ctx.
2019-05-06 20:56:41 +00:00
iflib_private.h
- Replace unused and only ever written to members of public iflib(9)
2019-06-15 11:07:41 +00:00
iflib.c
iflib: netmap: fix rsync index overrun
2020-06-23 20:23:56 +00:00
iflib.h
iflib: fix cloneattach fail and generalize pseudo device handling
2020-06-21 22:02:49 +00:00
ifq.h
…
mp_ring.c
- Merge r338254 from cxgbe(4):
2019-05-09 11:34:46 +00:00
mp_ring.h
…
mppc.h
…
mppcc.c
kernel: provide panicky version of __unreachable
2020-05-13 18:07:37 +00:00
mppcd.c
…
netisr_internal.h
…
netisr.c
sysctl: fix setting net.isr.dispatch during early boot
2020-05-16 17:05:44 +00:00
netisr.h
…
netmap_legacy.h
add valectl to the system commands
2019-10-31 21:01:34 +00:00
netmap_user.h
netmap: check if we already ran mmap before we attempt it
2019-11-19 21:29:49 +00:00
netmap_virt.h
netmap: disable passthrough with no hypervisor support
2020-01-13 21:47:23 +00:00
netmap.h
netmap: import changes from upstream (SHA 137f537eae513)
2019-09-01 14:47:41 +00:00
paravirt.h
…
pfil.c
Since now drivers that support pfil run their interrupts in the network
2020-01-23 01:49:22 +00:00
pfil.h
Most Ethernet drivers that potentially can run a pfil(9) hook with
2019-03-10 17:20:09 +00:00
pfkeyv2.h
Refer to AES-CBC as "aes-cbc" rather than "rijndael-cbc" for IPsec.
2020-06-04 22:58:37 +00:00
pfvar.h
pf: Add a new zone for per-table entry counters.
2020-05-16 00:28:12 +00:00
ppp_defs.h
…
radix_mpath.c
Convert more rtentry field accesses into nhop fields accesses.
2020-04-29 21:54:09 +00:00
radix_mpath.h
Convert rtalloc_mpath_fib() users to the new KPI.
2020-04-28 08:06:56 +00:00
radix.c
…
radix.h
…
raw_cb.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
raw_cb.h
…
raw_usrreq.c
…
rndis.h
…
route.c
* Add rib_<add|del|change>_route() functions to manipulate the routing table.
2020-06-01 20:49:42 +00:00
route.h
* Add rib_<add|del|change>_route() functions to manipulate the routing table.
2020-06-01 20:49:42 +00:00
rss_config.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
rss_config.h
…
rtsock.c
Switch rtsock code to using newly-create rib_action() KPI call.
2020-06-10 07:46:22 +00:00
sff8436.h
…
sff8472.h
net: Update SFF-8024 definitions and strings with values from rev 4.6
2019-08-17 00:10:56 +00:00
slcompress.c
…
slcompress.h
…
toeplitz.c
…
toeplitz.h
…
vnet.c
Partially revert VNET change and expand VNET structure.
2020-02-17 11:08:50 +00:00
vnet.h
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00