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freebsd-skq/sys/net
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marius 6802d9dfbc Assorted fixes to MSI-X/MSI/INTx setup in iflib(9): 
- In iflib_msix_init(), VMMs with broken MSI-X activation are trying
  to be worked around by manually enabling PCIM_MSIXCTRL_MSIX_ENABLE
  before calling pci_alloc_msix(9). Apart from constituting a layering
  violation, this has the problem of leaving PCIM_MSIXCTRL_MSIX_ENABLE
  enabled when falling back to MSI or INTx when e. g. MSI-X is black-
  listed and initially also when disabled via hw.pci.enable_msix. The
  later in turn was incorrectly worked around in r325166.
  Since r310806, pci(4) itself has code to deal with broken MSI-X
  handling of VMMs, so all of these workarounds in iflib(9) can go,
  fixing non-working interrupts when falling back to MSI/INTx. In
  any case, possibly further adjustments to broken MSI-X activation
  of VMMs like enabling r310806 by default in VM environments need to
  be placed into pci(4), not iflib(9). [1]
- Also remove the pci_enable_busmaster(9) call from iflib_msix_init(),
  which is already more properly invoked from iflib_device_attach().
- When falling back to MSI/INTx, release the MSI-X BAR resource again.
- When falling back to INTx, ensure scctx->isc_vectors is set to 1 and
  not to something higher from a device with more than one MSI message
  supported.
- Make the nearby ring_state(s) stuff (static) const.

Discussed with:	jhb at BSDCan 2018 [1]
Reviewed by:	imp, jhb
Differential Revision:	https://reviews.freebsd.org/D15729
2018-06-17 20:33:02 +00:00
..
altq UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
bpf_buffer.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_buffer.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf_filter.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_jitter.c Make UMA and malloc(9) return non-executable memory in most cases. 2018-06-13 17:04:41 +00:00
bpf_jitter.h Make UMA and malloc(9) return non-executable memory in most cases. 2018-06-13 17:04:41 +00:00
bpf_zerocopy.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf_zerocopy.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf.c Fix a memory leak for the BIOCSETWF ioctl on kernels with the BPF_JITTER 2018-06-11 23:32:06 +00:00
bpf.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpfdesc.h Make BPF global lock an SX 2018-04-10 19:42:50 +00:00
bridgestp.c UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
bridgestp.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
dlt.h Re-apply r190640. 2018-05-31 09:11:21 +00:00
ethernet.h Allow to specify PCP on packets not belonging to any VLAN. 2018-03-27 15:29:32 +00:00
firewire.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ieee8023ad_lacp.c Added missing CTLFLAG_VNET to lacp default_strict_mode 2018-01-24 10:13:14 +00:00
ieee8023ad_lacp.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ieee_oui.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_arp.h Remove support for the Arcnet protocol. 2018-04-13 21:18:04 +00:00
if_bridge.c Allow different bridge types to coexist 2018-05-11 05:00:40 +00:00
if_bridgevar.h Allow different bridge types to coexist 2018-05-11 05:00:40 +00:00
if_clone.c net: fix set but not used 2018-05-19 05:27:49 +00:00
if_clone.h iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
if_dead.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_debug.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_disc.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_dl.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_edsc.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_enc.c netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
if_enc.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_epair.c Improve MAC address uniqueness on if_epair(4). 2018-05-23 13:10:57 +00:00
if_ethersubr.c Reduce overhead of entropy collection 2018-05-31 21:53:07 +00:00
if_fwsubr.c Improve copy-and-pasted versions of SIOCGIFADDR. 2018-03-27 20:51:49 +00:00
if_gif.c Rework if_gif(4) to use new encap_lookup_t method to speedup lookup 2018-06-05 21:24:59 +00:00
if_gif.h Rework if_gif(4) to use new encap_lookup_t method to speedup lookup 2018-06-05 21:24:59 +00:00
if_gre.c Rework if_gre(4) to use encap_lookup_t method to speedup lookup 2018-06-13 11:11:33 +00:00
if_gre.h Rework if_gre(4) to use encap_lookup_t method to speedup lookup 2018-06-13 11:11:33 +00:00
if_ipsec.c Apply the change from r272770 to if_ipsec(4) interface. 2018-05-11 16:50:25 +00:00
if_ipsec.h Merge projects/ipsec into head/. 2017-02-06 08:49:57 +00:00
if_lagg.c CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_lagg.h CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_llatbl.c CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_llatbl.h CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_llc.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_loop.c Explicitly change the link state when we assingn an address. 2018-06-09 09:57:14 +00:00
if_me.c Add missing BPF_MTAP2() for outbound packets. 2018-06-14 15:04:30 +00:00
if_media.c Finish removing FDDI and tokenring media support. 2018-04-23 21:10:33 +00:00
if_media.h Finish removing FDDI and tokenring media support. 2018-04-23 21:10:33 +00:00
if_mib.c
if_mib.h
if_pflog.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_pfsync.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_sppp.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
if_spppfr.c
if_spppsubr.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_stf.c Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
if_tap.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_tap.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_tapvar.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_tun.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_tun.h Allow an MTU of 65535 bytes to be set via TUN[SG]IFINFO. This requires 2016-05-24 11:47:14 +00:00
if_types.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_var.h CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_vlan_var.h Allow to specify PCP on packets not belonging to any VLAN. 2018-03-27 15:29:32 +00:00
if_vlan.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_vxlan.c net: fix set but not used 2018-05-19 05:27:49 +00:00
if_vxlan.h Add support for IPv6 scoped addresses to vxlan 2017-12-30 04:03:53 +00:00
if.c if_setlladdr: don't call ioctl in epoch context 2018-05-30 21:46:10 +00:00
if.h iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
ifdi_if.m iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
iflib_clone.c iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
iflib_private.h Work around lack of TX IRQs in iflib for netmap 2018-05-16 21:03:22 +00:00
iflib.c Assorted fixes to MSI-X/MSI/INTx setup in iflib(9): 2018-06-17 20:33:02 +00:00
iflib.h iflib: mark irq allocation name parameter as constant 2018-05-29 21:56:39 +00:00
ifq.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
mp_ring.c mp_ring: fix i386 2018-05-19 16:44:12 +00:00
mp_ring.h Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
mppc.h ng_mppc(4): Bring netgraph(3) MPPC compression support. 2016-06-07 15:07:00 +00:00
mppcc.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
mppcd.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
netisr_internal.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netisr.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netisr.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netmap_legacy.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
netmap_user.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
netmap_virt.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
netmap.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
paravirt.h
pfil.c netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
pfil.h netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
pfkeyv2.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pfvar.h pf: Add missing include statement 2018-05-30 12:40:37 +00:00
ppp_defs.h
radix_mpath.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
radix_mpath.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
radix.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
radix.h Fix typo. 2018-06-16 19:21:09 +00:00
raw_cb.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_cb.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_usrreq.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
rndis.h rndis: Add LINK_SPEED_CHANGE status 2017-07-24 03:59:50 +00:00
route_var.h Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
route.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
route.h Reduce code duplication for inpcb route caching 2018-01-23 03:15:39 +00:00
rss_config.c rss: Remove never defined UDP_IPV4_EX 2017-10-11 06:08:01 +00:00
rss_config.h rss: Remove never defined UDP_IPV4_EX 2017-10-11 06:08:01 +00:00
rtsock.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
sff8436.h
sff8472.h ifconfig(8): Display extended compliance code string for SFP transceivers 2017-12-05 18:42:07 +00:00
slcompress.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
slcompress.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
toeplitz.c
toeplitz.h
vnet.c Use NULL for SYSINIT's last arg, which is a pointer type 2018-05-18 17:58:09 +00:00
vnet.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00