From nobody Mon Aug 10 00:42:22 2026 X-Original-To: dev-commits-src-branches@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 4hJGDb0t9Vz6pMXx for ; Mon, 10 Aug 2026 00:42:23 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hJGDZ6Stlz3nXf for ; Mon, 10 Aug 2026 00:42:22 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1786322542; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Kp7ZeVcq0/kcDFWvMKs9k3ZQbaHj0ufQYM7KExwaLF0=; b=mBNd3mhkKRoy34GmAWZ/onWaPGYn3qwZa+pHqKEUl0VCziwqbxhZTQgfyGnhfjyVp5nyXQ mXA6Zpg2n1iJ+vAn/1ApZTIPwbYEoE42fOhxUSe6Dk8M1wOh/+fiGb1X4o5LG9yGQLkyWb dVeSrr2Y9YtrXLo3CcpcLh3+MXW3Og+8MktWp6S8Aq6X1GF3MEYkEufV5ZPeLsU1Y+I8Dm qlB0gQtnZsry98RKQyjr8HoisRTOrstJt6jesst4WoMiqtoV4I8PGdnYaWHU6Z5kk0g2kP Ej833b2oQyanJkNoIVu6A17EtcvZS7Pwsc2qIechrnxEQYm6zczm+1nMgKzgZw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1786322542; a=rsa-sha256; cv=none; b=NYbflfUinGgVQv4nj8vLtFm06prj+G8t/FpKNprBAHupik64jJfR6gkipMVpUSghlu0WB2 RIrq6OWM41ppXZYUQ05Gr1aDvbAIuQYf4X2b/cumIIDgcRNiAirE/3hgh4H3Cvh3SZvxcX qH1MDSUk4bvtdBSJ4Zj9oNfaXQ9TFzQVg/8QMpz+CvqVn98PWlQHbbBpp14ek5YbLTYcCq M05cGqTg9BezP4qMLs4SDJBhxte/KRVWeuibWQGAi42yfuGafveLO4TtFAK3KdEUUzqMK1 P6YVci5WvPrFPR2uQRXO6zvotJ9qkgRZRrNi1UnREBluDUmeH72TQ5AarnBruw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1786322542; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Kp7ZeVcq0/kcDFWvMKs9k3ZQbaHj0ufQYM7KExwaLF0=; b=wlWtuAtq5itzuU+ovZULZlD0572eLpHXIG6uV4FnPOmjVCkG+8cG8OSMp7+6BtS3JDxcRR wuMQ8j3VYYdajYBScHra+hBA/c6HvZRcMdKXkIz+VJ5Yc+doS/WUUPkku+uU4BTM9hXTHI +Jhd76Uk2r0iu7u6GmRQkedk/SVC3PF7Jbieh+zM7qIqhJ/pWT5GOxPeiGMQmLX7iH9RTW bHy7r3IcnU1u81cO+TfqmIBS53NV2o5GMVHAGX9PVv25WPMtkAPQp0L8AeeElL/QG2imoG PQx/r6DJw79Hxn11bnk/kP2G+CLecG6d/t+fZZd78Yu7OUpfLHroVJ4VijyACg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hJGDZ5H5Vzmp6 for ; Mon, 10 Aug 2026 00:42:22 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 42e9a by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 10 Aug 2026 00:42:22 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Kevin Bowling Subject: git: 6d30c183117f - stable/15 - ixgbe: supply PF transmit contexts under SR-IOV List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kbowling X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 6d30c183117fb5797d889fb3865e6a0b9d17ae06 Auto-Submitted: auto-generated Date: Mon, 10 Aug 2026 00:42:22 +0000 Message-Id: <6a791e6e.42e9a.2177898c@gitrepo.freebsd.org> The branch stable/15 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=6d30c183117fb5797d889fb3865e6a0b9d17ae06 commit 6d30c183117fb5797d889fb3865e6a0b9d17ae06 Author: Kevin Bowling AuthorDate: 2026-08-01 12:41:22 +0000 Commit: Kevin Bowling CommitDate: 2026-08-10 00:42:12 +0000 ixgbe: supply PF transmit contexts under SR-IOV X550-family malicious-driver detection validates the transmit context selected by a data descriptor with Check Context set. ixgbe sets that bit on every transmit data descriptor, but ordinary PF packets without a VLAN or checksum offload do not create a context descriptor. The empty context then reports an invalid MAC-header length and blocks the PF queue as soon as MDD is enabled. Create the existing context descriptor for every PF packet while SR-IOV is active. This supplies the required MAC-header length and keeps MDD from mistaking normal PF traffic for a malicious-driver event. (cherry picked from commit 0787b1f5b8bdfcaed97eeee7bfbd7f14ac162b0d) --- sys/dev/ixgbe/ix_txrx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/dev/ixgbe/ix_txrx.c b/sys/dev/ixgbe/ix_txrx.c index 76c718e2c252..3dda3270a2de 100644 --- a/sys/dev/ixgbe/ix_txrx.c +++ b/sys/dev/ixgbe/ix_txrx.c @@ -197,6 +197,7 @@ ixgbe_isc_txd_encap(void *arg, if_pkt_info_t pi) TXD = (struct ixgbe_adv_tx_context_desc *) &txr->tx_base[first]; if ((pi->ipi_csum_flags & CSUM_OFFLOAD) || (sc->feat_en & IXGBE_FEATURE_NEEDS_CTXD) || + (sc->feat_en & IXGBE_FEATURE_SRIOV) || pi->ipi_vtag) { /********************************************* * Set up the appropriate offload context