From nobody Sun May 07 19:58:13 2023 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4QDwGD1n9gz49RCl for ; Sun, 7 May 2023 19:58:28 +0000 (UTC) (envelope-from ccfreebsd@gmail.com) Received: from mail-lf1-f51.google.com (mail-lf1-f51.google.com [209.85.167.51]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4QDwGC2yHMz4V1p for ; Sun, 7 May 2023 19:58:27 +0000 (UTC) (envelope-from ccfreebsd@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of ccfreebsd@gmail.com designates 209.85.167.51 as permitted sender) smtp.mailfrom=ccfreebsd@gmail.com; dmarc=none Received: by mail-lf1-f51.google.com with SMTP id 2adb3069b0e04-4f14ec4efb0so2153991e87.2 for ; Sun, 07 May 2023 12:58:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683489505; x=1686081505; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=4zgMMH1TxdLRUcL+h4N1QNohq4JTdGdU+2TgAydzK3o=; b=aEc4mi+h+fa6cif1CCcU0XdrFxl+vd6bmuwj8PWJ0BUSB0333l0JW92lloB6d9qwyn /47nke5ePhazjP0ywn3qasEBA4wXky3I0LM5wg16gZBzkOwcpN+rWh8yiWW0d30f23c9 VPYAs2ec7RdMK0o73xEbjN6ZX6SyX6hKe2KFy8gg5SOAztYaZl7ZSyLM4ZhGUrkHM32d xTiC+jJaqfcIN7ovj85lWyH12wJ9VLjB5YbrL1zqeFCG2FJXSyv/We4qh1rdKyE8JxoG qPO0HGFnrUqYWSdzgP40pqYmtlFHB+J2D1fLo6QbYftnXpRSM9PIDUhuC+v52WUSUslI GjNw== X-Gm-Message-State: AC+VfDw2pKX+bp1dq154e/peIBI8pnbKWCHDdIg6M2olf9oyZg6LDGda 7g952nCyifwl7x36qP/QTjffNpieraIENw== X-Google-Smtp-Source: ACHHUZ51MtgUDJ2RAB43T5e8KgdjzNiBHZ9e2OFJSo4CkkHXjrEJY998YW6E0WKTT+LM8cHoi6q8Qg== X-Received: by 2002:ac2:5119:0:b0:4ed:befc:9b4e with SMTP id q25-20020ac25119000000b004edbefc9b4emr2111849lfb.3.1683489505419; Sun, 07 May 2023 12:58:25 -0700 (PDT) Received: from mail-lj1-f170.google.com (mail-lj1-f170.google.com. [209.85.208.170]) by smtp.gmail.com with ESMTPSA id a7-20020a056512390700b004d86808fd33sm1070641lfu.15.2023.05.07.12.58.25 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 07 May 2023 12:58:25 -0700 (PDT) Received: by mail-lj1-f170.google.com with SMTP id 38308e7fff4ca-2ac7de2b72fso43905701fa.1 for ; Sun, 07 May 2023 12:58:25 -0700 (PDT) X-Received: by 2002:a2e:8005:0:b0:2ac:8e5a:1054 with SMTP id j5-20020a2e8005000000b002ac8e5a1054mr1757345ljg.0.1683489504540; Sun, 07 May 2023 12:58:24 -0700 (PDT) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 From: Cheng Cui Date: Sun, 7 May 2023 15:58:13 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: missing hw.em.msix support in FreeBSD 14.0-CURRENT? To: freebsd-net@freebsd.org Content-Type: multipart/alternative; boundary="000000000000e6becf05fb1ff126" X-Spamd-Result: default: False [1.68 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; URI_COUNT_ODD(1.00)[1]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; NEURAL_HAM_SHORT(-1.00)[-0.998]; NEURAL_HAM_LONG(-0.32)[-0.323]; FORGED_SENDER(0.30)[cc@freebsd.org,ccfreebsd@gmail.com]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DMARC_NA(0.00)[freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[209.85.167.51:from,209.85.208.170:received]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DOM_EQ_FROM_DOM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; R_DKIM_NA(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; TO_DN_NONE(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FROM_NEQ_ENVFROM(0.00)[cc@freebsd.org,ccfreebsd@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.167.51:from] X-Rspamd-Queue-Id: 4QDwGC2yHMz4V1p X-Spamd-Bar: + X-ThisMailContainsUnwantedMimeParts: N --000000000000e6becf05fb1ff126 Content-Type: text/plain; charset="UTF-8" Hello, I am using this em(4) driver for some tests. According to the man page below, there should be a "hw.em.msix" sysctl to enable/disable MSI-X style interrupts. But why is it missing in my system below? https://man.freebsd.org/cgi/man.cgi?em(4) root@s1:~ # dmesg | egrep "8254" Timecounter "i8254" frequency 1193182 Hz quality 0 Event timer "i8254" frequency 1193182 Hz quality 100 em0: port 0xdcc0-0xdcff mem 0xdfae0000-0xdfafffff irq 64 at device 7.0 on pci6 em1: port 0xccc0-0xccff mem 0xdf8e0000-0xdf8fffff irq 65 at device 8.0 on pci7 em2: port 0xbcc0-0xbcff mem 0xdf5e0000-0xdf5fffff irq 106 at device 4.0 on pci9 em3: port 0xbc80-0xbcbf mem 0xdf5c0000-0xdf5dffff irq 107 at device 4.1 on pci9 em4: port 0xacc0-0xacff mem 0xdf3e0000-0xdf3fffff irq 101 at device 3.0 on pci10 em5: port 0xac80-0xacbf mem 0xdf3c0000-0xdf3dffff irq 102 at device 3.1 on pci10 root@s1:~ # ifconfig em5 em5: flags=8843 metric 0 mtu 1500 options=481009b ether 00:04:23:b7:1e:1d inet 10.1.1.2 netmask 0xffffff00 broadcast 10.1.1.255 media: Ethernet 1000baseT status: active nd6 options=29 root@s1:~ # sysctl hw.em hw.em.max_interrupt_rate: 8000 hw.em.eee_setting: 1 hw.em.rx_process_limit: 100 hw.em.sbp: 0 hw.em.smart_pwr_down: 0 hw.em.rx_abs_int_delay: 66 hw.em.tx_abs_int_delay: 66 hw.em.rx_int_delay: 0 hw.em.tx_int_delay: 66 hw.em.disable_crc_stripping: 0 root@s1:~ # Best Regards, Cheng Cui --000000000000e6becf05fb1ff126 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello,

I am using this em(4)= driver for some tests. According to the man page below, there should be a = "hw.em.msix" sysctl to enable/disable MSI-X style interrupts. But= why is it missing in my system below?

root@s1:~ # dmesg | egrep "8254"
T= imecounter "i8254" frequency 1193182 Hz quality 0
Event timer = "i8254" frequency 1193182 Hz quality 100
em0: <Intel(R) Leg= acy PRO/1000 MT 82541GI> port 0xdcc0-0xdcff mem 0xdfae0000-0xdfafffff ir= q 64 at device 7.0 on pci6
em1: <Intel(R) Legacy PRO/1000 MT 82541GI&= gt; port 0xccc0-0xccff mem 0xdf8e0000-0xdf8fffff irq 65 at device 8.0 on pc= i7
em2: <Intel(R) Legacy PRO/1000 MT 82546EB (Copper)> port 0xbcc0= -0xbcff mem 0xdf5e0000-0xdf5fffff irq 106 at device 4.0 on pci9
em3: <= ;Intel(R) Legacy PRO/1000 MT 82546EB (Copper)> port 0xbc80-0xbcbf mem 0x= df5c0000-0xdf5dffff irq 107 at device 4.1 on pci9
em4: <Intel(R) Lega= cy PRO/1000 MT 82546EB (Copper)> port 0xacc0-0xacff mem 0xdf3e0000-0xdf3= fffff irq 101 at device 3.0 on pci10
em5: <Intel(R) Legacy PRO/1000 M= T 82546EB (Copper)> port 0xac80-0xacbf mem 0xdf3c0000-0xdf3dffff irq 102= at device 3.1 on pci10

root@s1:~ # ifconfig em5
em5: flags=3D884= 3<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
optio= ns=3D481009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,VLAN_HWFI= LTER,NOMAP>
ether 00:04:23:b7:1e:1d
inet 10.1.1.2 netmask 0xffff= ff00 broadcast 10.1.1.255
media: Ethernet 1000baseT <full-duplex>=
status: active
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINK= LOCAL>

root@s1:~ # sysctl hw.em
hw.em.max_interrupt_rate: 8000=
hw.em.eee_setting: 1
hw.em.rx_process_limit: 100
hw.em.sbp: 0
= hw.em.smart_pwr_down: 0
hw.em.rx_abs_int_delay: 66
hw.em.tx_abs_int_d= elay: 66
hw.em.rx_int_delay: 0
hw.em.tx_int_delay: 66
hw.em.disabl= e_crc_stripping: 0
root@s1:~ #
--000000000000e6becf05fb1ff126--