diff options
92 files changed, 710 insertions, 411 deletions
diff --git a/Documentation/networking/netdev-FAQ.rst b/Documentation/networking/netdev-FAQ.rst index 4b9ed5874d5a..ae2ae37cd921 100644 --- a/Documentation/networking/netdev-FAQ.rst +++ b/Documentation/networking/netdev-FAQ.rst @@ -6,9 +6,9 @@ netdev FAQ ========== -Q: What is netdev? ------------------- -A: It is a mailing list for all network-related Linux stuff. This +What is netdev? +--------------- +It is a mailing list for all network-related Linux stuff. This includes anything found under net/ (i.e. core code like IPv6) and drivers/net (i.e. hardware specific drivers) in the Linux source tree. @@ -25,9 +25,9 @@ Aside from subsystems like that mentioned above, all network-related Linux development (i.e. RFC, review, comments, etc.) takes place on netdev. -Q: How do the changes posted to netdev make their way into Linux? ------------------------------------------------------------------ -A: There are always two trees (git repositories) in play. Both are +How do the changes posted to netdev make their way into Linux? +-------------------------------------------------------------- +There are always two trees (git repositories) in play. Both are driven by David Miller, the main network maintainer. There is the ``net`` tree, and the ``net-next`` tree. As you can probably guess from the names, the ``net`` tree is for fixes to existing code already in the @@ -37,9 +37,9 @@ for the future release. You can find the trees here: - https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git - https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git -Q: How often do changes from these trees make it to the mainline Linus tree? ----------------------------------------------------------------------------- -A: To understand this, you need to know a bit of background information on +How often do changes from these trees make it to the mainline Linus tree? +------------------------------------------------------------------------- +To understand this, you need to know a bit of background information on the cadence of Linux development. Each new release starts off with a two week "merge window" where the main maintainers feed their new stuff to Linus for merging into the mainline tree. After the two weeks, the @@ -81,7 +81,8 @@ focus for ``net`` is on stabilization and bug fixes. Finally, the vX.Y gets released, and the whole cycle starts over. -Q: So where are we now in this cycle? +So where are we now in this cycle? +---------------------------------- Load the mainline (Linus) page here: @@ -91,9 +92,9 @@ and note the top of the "tags" section. If it is rc1, it is early in the dev cycle. If it was tagged rc7 a week ago, then a release is probably imminent. -Q: How do I indicate which tree (net vs. net-next) my patch should be in? -------------------------------------------------------------------------- -A: Firstly, think whether you have a bug fix or new "next-like" content. +How do I indicate which tree (net vs. net-next) my patch should be in? +---------------------------------------------------------------------- +Firstly, think whether you have a bug fix or new "next-like" content. Then once decided, assuming that you use git, use the prefix flag, i.e. :: @@ -105,48 +106,45 @@ in the above is just the subject text of the outgoing e-mail, and you can manually change it yourself with whatever MUA you are comfortable with. -Q: I sent a patch and I'm wondering what happened to it? --------------------------------------------------------- -Q: How can I tell whether it got merged? -A: Start by looking at the main patchworks queue for netdev: +I sent a patch and I'm wondering what happened to it - how can I tell whether it got merged? +-------------------------------------------------------------------------------------------- +Start by looking at the main patchworks queue for netdev: https://patchwork.kernel.org/project/netdevbpf/list/ The "State" field will tell you exactly where things are at with your patch. -Q: The above only says "Under Review". How can I find out more? ----------------------------------------------------------------- -A: Generally speaking, the patches get triaged quickly (in less than +The above only says "Under Review". How can I find out more? +------------------------------------------------------------- +Generally speaking, the patches get triaged quickly (in less than 48h). So be patient. Asking the maintainer for status updates on your patch is a good way to ensure your patch is ignored or pushed to the bottom of the priority list. -Q: I submitted multiple versions of the patch series ----------------------------------------------------- -Q: should I directly update patchwork for the previous versions of these -patch series? -A: No, please don't interfere with the patch status on patchwork, leave +I submitted multiple versions of the patch series. Should I directly update patchwork for the previous versions of these patch series? +-------------------------------------------------------------------------------------------------------------------------------------- +No, please don't interfere with the patch status on patchwork, leave it to the maintainer to figure out what is the most recent and current version that should be applied. If there is any doubt, the maintainer will reply and ask what should be done. -Q: I made changes to only a few patches in a patch series should I resend only those changed? ---------------------------------------------------------------------------------------------- -A: No, please resend the entire patch series and make sure you do number your +I made changes to only a few patches in a patch series should I resend only those changed? +------------------------------------------------------------------------------------------ +No, please resend the entire patch series and make sure you do number your patches such that it is clear this is the latest and greatest set of patches that can be applied. -Q: I submitted multiple versions of a patch series and it looks like a version other than the last one has been accepted, what should I do? -------------------------------------------------------------------------------------------------------------------------------------------- -A: There is no revert possible, once it is pushed out, it stays like that. +I submitted multiple versions of a patch series and it looks like a version other than the last one has been accepted, what should I do? +---------------------------------------------------------------------------------------------------------------------------------------- +There is no revert possible, once it is pushed out, it stays like that. Please send incremental versions on top of what has been merged in order to fix the patches the way they would look like if your latest patch series was to be merged. -Q: How can I tell what patches are queued up for backporting to the various stable releases? --------------------------------------------------------------------------------------------- -A: Normally Greg Kroah-Hartman collects stable commits himself, but for +How can I tell what patches are queued up for backporting to the various stable releases? +----------------------------------------------------------------------------------------- +Normally Greg Kroah-Hartman collects stable commits himself, but for networking, Dave collects up patches he deems critical for the networking subsystem, and then hands them off to Greg. @@ -169,11 +167,9 @@ simply clone the repo, and then git grep the mainline commit ID, e.g. releases/3.9.8/ipv6-fix-possible-crashes-in-ip6_cork_release.patch stable/stable-queue$ -Q: I see a network patch and I think it should be backported to stable. ------------------------------------------------------------------------ -Q: Should I request it via stable@vger.kernel.org like the references in -the kernel's Documentation/process/stable-kernel-rules.rst file say? -A: No, not for networking. Check the stable queues as per above first +I see a network patch and I think it should be backported to stable. Should I request it via stable@vger.kernel.org like the references in the kernel's Documentation/process/stable-kernel-rules.rst file say? +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +No, not for networking. Check the stable queues as per above first to see if it is already queued. If not, then send a mail to netdev, listing the upstream commit ID and why you think it should be a stable candidate. @@ -190,11 +186,9 @@ mainline, the better the odds that it is an OK candidate for stable. So scrambling to request a commit be added the day after it appears should be avoided. -Q: I have created a network patch and I think it should be backported to stable. --------------------------------------------------------------------------------- -Q: Should I add a Cc: stable@vger.kernel.org like the references in the -kernel's Documentation/ directory say? -A: No. See above answer. In short, if you think it really belongs in +I have created a network patch and I think it should be backported to stable. Should I add a Cc: stable@vger.kernel.org like the references in the kernel's Documentation/ directory say? +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +No. See above answer. In short, if you think it really belongs in stable, then ensure you write a decent commit log that describes who gets impacted by the bug fix and how it manifests itself, and when the bug was introduced. If you do that properly, then the commit will get @@ -207,18 +201,18 @@ marker line as described in :ref:`Documentation/process/submitting-patches.rst <the_canonical_patch_format>` to temporarily embed that information into the patch that you send. -Q: Are all networking bug fixes backported to all stable releases? ------------------------------------------------------------------- -A: Due to capacity, Dave could only take care of the backports for the +Are all networking bug fixes backported to all stable releases? +--------------------------------------------------------------- +Due to capacity, Dave could only take care of the backports for the last two stable releases. For earlier stable releases, each stable branch maintainer is supposed to take care of them. If you find any patch is missing from an earlier stable branch, please notify stable@vger.kernel.org with either a commit ID or a formal patch backported, and CC Dave and other relevant networking developers. -Q: Is the comment style convention different for the networking content? ------------------------------------------------------------------------- -A: Yes, in a largely trivial way. Instead of this:: +Is the comment style convention different for the networking content? +--------------------------------------------------------------------- +Yes, in a largely trivial way. Instead of this:: /* * foobar blah blah blah @@ -231,32 +225,30 @@ it is requested that you make it look like this:: * another line of text */ -Q: I am working in existing code that has the former comment style and not the latter. --------------------------------------------------------------------------------------- -Q: Should I submit new code in the former style or the latter? -A: Make it the latter style, so that eventually all code in the domain +I am working in existing code that has the former comment style and not the latter. Should I submit new code in the former style or the latter? +----------------------------------------------------------------------------------------------------------------------------------------------- +Make it the latter style, so that eventually all code in the domain of netdev is of this format. -Q: I found a bug that might have possible security implications or similar. ---------------------------------------------------------------------------- -Q: Should I mail the main netdev maintainer off-list?** -A: No. The current netdev maintainer has consistently requested that +I found a bug that might have possible security implications or similar. Should I mail the main netdev maintainer off-list? +--------------------------------------------------------------------------------------------------------------------------- +No. The current netdev maintainer has consistently requested that people use the mailing lists and not reach out directly. If you aren't OK with that, then perhaps consider mailing security@kernel.org or reading about http://oss-security.openwall.org/wiki/mailing-lists/distros as possible alternative mechanisms. -Q: What level of testing is expected before I submit my change? ---------------------------------------------------------------- -A: If your changes are against ``net-next``, the expectation is that you +What level of testing is expected before I submit my change? +------------------------------------------------------------ +If your changes are against ``net-next``, the expectation is that you have tested by layering your changes on top of ``net-next``. Ideally you will have done run-time testing specific to your change, but at a minimum, your changes should survive an ``allyesconfig`` and an ``allmodconfig`` build without new warnings or failures. -Q: How do I post corresponding changes to user space components? ----------------------------------------------------------------- -A: User space code exercising kernel features should be posted +How do I post corresponding changes to user space components? +------------------------------------------------------------- +User space code exercising kernel features should be posted alongside kernel patches. This gives reviewers a chance to see how any new interface is used and how well it works. @@ -280,9 +272,9 @@ to the mailing list, e.g.:: Posting as one thread is discouraged because it confuses patchwork (as of patchwork 2.2.2). -Q: Any other tips to help ensure my net/net-next patch gets OK'd? ------------------------------------------------------------------ -A: Attention to detail. Re-read your own work as if you were the +Any other tips to help ensure my net/net-next patch gets OK'd? +-------------------------------------------------------------- +Attention to detail. Re-read your own work as if you were the reviewer. You can start with using ``checkpatch.pl``, perhaps even with the ``--strict`` flag. But do not be mindlessly robotic in doing so. If your change is a bug fix, make sure your commit log indicates the diff --git a/Documentation/networking/packet_mmap.rst b/Documentation/networking/packet_mmap.rst index 6c009ceb1183..500ef60b1b82 100644 --- a/Documentation/networking/packet_mmap.rst +++ b/Documentation/networking/packet_mmap.rst @@ -8,7 +8,7 @@ Abstract ======== This file documents the mmap() facility available with the PACKET -socket interface on 2.4/2.6/3.x kernels. This type of sockets is used for +socket interface. This type of sockets is used for i) capture network traffic with utilities like tcpdump, ii) transmit network traffic, or any other that needs raw @@ -25,12 +25,12 @@ Please send your comments to Why use PACKET_MMAP =================== -In Linux 2.4/2.6/3.x if PACKET_MMAP is not enabled, the capture process is very +Non PACKET_MMAP capture process (plain AF_PACKET) is very inefficient. It uses very limited buffers and requires one system call to capture each packet, it requires two if you want to get packet's timestamp (like libpcap always does). -In the other hand PACKET_MMAP is very efficient. PACKET_MMAP provides a size +On the other hand PACKET_MMAP is very efficient. PACKET_MMAP provides a size configurable circular buffer mapped in user space that can be used to either send or receive packets. This way reading packets just needs to wait for them, most of the time there is no need to issue a single system call. Concerning @@ -252,8 +252,7 @@ PACKET_MMAP setting constraints In kernel versions prior to 2.4.26 (for the 2.4 branch) and 2.6.5 (2.6 branch), the PACKET_MMAP buffer could hold only 32768 frames in a 32 bit architecture or -16384 in a 64 bit architecture. For information on these kernel versions -see http://pusa.uv.es/~ulisses/packet_mmap/packet_mmap.pre-2.4.26_2.6.5.txt +16384 in a 64 bit architecture. Block size limit ---------------- @@ -437,7 +436,7 @@ and the following flags apply: Capture process ^^^^^^^^^^^^^^^ - from include/linux/if_packet.h +From include/linux/if_packet.h:: #define TP_STATUS_COPY (1 << 1) #define TP_STATUS_LOSING (1 << 2) diff --git a/MAINTAINERS b/MAINTAINERS index 6eff4f720c72..7c1e45c416b1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -203,8 +203,8 @@ F: include/uapi/linux/nl80211.h F: net/wireless/ 8169 10/100/1000 GIGABIT ETHERNET DRIVER -M: Realtek linux nic maintainers <nic_swsd@realtek.com> M: Heiner Kallweit <hkallweit1@gmail.com> +M: nic_swsd@realtek.com L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/realtek/r8169* @@ -2119,7 +2119,7 @@ N: atmel ARM/Microchip Sparx5 SoC support M: Lars Povlsen <lars.povlsen@microchip.com> M: Steen Hegelund <Steen.Hegelund@microchip.com> -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> +M: UNGLinuxDriver@microchip.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported T: git git://github.com/microchip-ung/linux-upstream.git @@ -3556,7 +3556,7 @@ S: Supported F: drivers/net/ethernet/broadcom/bnxt/ BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER -M: Arend van Spriel <arend.vanspriel@broadcom.com> +M: Arend van Spriel <aspriel@gmail.com> M: Franky Lin <franky.lin@broadcom.com> M: Hante Meuleman <hante.meuleman@broadcom.com> M: Chi-hsien Lin <chi-hsien.lin@infineon.com> @@ -3961,7 +3961,7 @@ F: net/can/ CAN-J1939 NETWORK LAYER M: Robin van der Gracht <robin@protonic.nl> M: Oleksij Rempel <o.rempel@pengutronix.de> -R: Pengutronix Kernel Team <kernel@pengutronix.de> +R: kernel@pengutronix.de L: linux-can@vger.kernel.org S: Maintained F: Documentation/networking/j1939.rst @@ -11667,7 +11667,7 @@ F: drivers/media/platform/atmel/atmel-isi.h MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER M: Woojung Huh <woojung.huh@microchip.com> -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> +M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml @@ -11677,7 +11677,7 @@ F: net/dsa/tag_ksz.c MICROCHIP LAN743X ETHERNET DRIVER M: Bryan Whitehead <bryan.whitehead@microchip.com> -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> +M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/microchip/lan743x_* @@ -11771,7 +11771,7 @@ F: drivers/net/wireless/microchip/wilc1000/ MICROSEMI MIPS SOCS M: Alexandre Belloni <alexandre.belloni@bootlin.com> -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> +M: UNGLinuxDriver@microchip.com L: linux-mips@vger.kernel.org S: Supported F: Documentation/devicetree/bindings/mips/mscc.txt @@ -12825,10 +12825,10 @@ F: tools/objtool/ F: include/linux/objtool.h OCELOT ETHERNET SWITCH DRIVER -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> M: Vladimir Oltean <vladimir.oltean@nxp.com> M: Claudiu Manoil <claudiu.manoil@nxp.com> M: Alexandre Belloni <alexandre.belloni@bootlin.com> +M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Supported F: drivers/net/dsa/ocelot/* @@ -13890,7 +13890,7 @@ F: drivers/platform/x86/peaq-wmi.c PENSANDO ETHERNET DRIVERS M: Shannon Nelson <snelson@pensando.io> -M: Pensando Drivers <drivers@pensando.io> +M: drivers@pensando.io L: netdev@vger.kernel.org S: Supported F: Documentation/networking/device_drivers/ethernet/pensando/ionic.rst @@ -14669,7 +14669,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git F: drivers/net/wireless/ath/ath11k/ QUALCOMM ATHEROS ATH9K WIRELESS DRIVER -M: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> +M: ath9k-devel@qca.qualcomm.com L: linux-wireless@vger.kernel.org S: Supported W: https://wireless.wiki.kernel.org/en/users/Drivers/ath9k @@ -18370,7 +18370,7 @@ F: include/linux/usb/isp116x.h USB LAN78XX ETHERNET DRIVER M: Woojung Huh <woojung.huh@microchip.com> -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> +M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/net/microchip,lan78xx.txt @@ -18484,7 +18484,7 @@ F: drivers/net/usb/smsc75xx.* USB SMSC95XX ETHERNET DRIVER M: Steve Glendinning <steve.glendinning@shawell.net> -M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> +M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Maintained F: drivers/net/usb/smsc95xx.* @@ -19031,7 +19031,7 @@ F: drivers/input/mouse/vmmouse.h VMWARE VMXNET3 ETHERNET DRIVER M: Ronak Doshi <doshir@vmware.com> -M: "VMware, Inc." <pv-drivers@vmware.com> +M: pv-drivers@vmware.com L: netdev@vger.kernel.org S: Maintained F: drivers/net/vmxnet3/ diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 65a3886f68c9..5f0472c18bcb 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -3607,7 +3607,7 @@ static int idt77252_init_one(struct pci_dev *pcidev, if ((err = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)))) { printk("idt77252: can't enable DMA for PCI device at %s\n", pci_name(pcidev)); - return err; + goto err_out_disable_pdev; } card = kzalloc(sizeof(struct idt77252_dev), GFP_KERNEL); diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 85ebd2b7e446..708171c0d628 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -380,7 +380,7 @@ static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev, goto free_dst; min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len + - BAREUDP_BASE_HLEN + info->options_len + sizeof(struct iphdr); + BAREUDP_BASE_HLEN + info->options_len + sizeof(struct ipv6hdr); err = skb_cow_head(skb, min_headroom); if (unlikely(err)) @@ -534,6 +534,7 @@ static void bareudp_setup(struct net_device *dev) SET_NETDEV_DEVTYPE(dev, &bareudp_type); dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; dev->features |= NETIF_F_RXCSUM; + dev->features |= NETIF_F_LLTX; dev->features |= NETIF_F_GSO_SOFTWARE; dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM; dev->hw_features |= NETIF_F_GSO_SOFTWARE; diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 09701c17f3f6..4b36d89bec06 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -92,9 +92,7 @@ GSWIP_MDIO_PHY_FDUP_MASK) /* GSWIP MII Registers */ -#define GSWIP_MII_CFG0 0x00 -#define GSWIP_MII_CFG1 0x02 -#define GSWIP_MII_CFG5 0x04 +#define GSWIP_MII_CFGp(p) (0x2 * (p)) #define GSWIP_MII_CFG_EN BIT(14) #define GSWIP_MII_CFG_LDCLKDIS BIT(12) #define GSWIP_MII_CFG_MODE_MIIP 0x0 @@ -392,17 +390,9 @@ static void gswip_mii_mask(struct gswip_priv *priv, u32 clear, u32 set, static void gswip_mii_mask_cfg(struct gswip_priv *priv, u32 clear, u32 set, int port) { - switch (port) { - case 0: - gswip_mii_mask(priv, clear, set, GSWIP_MII_CFG0); - break; - case 1: - gswip_mii_mask(priv, clear, set, GSWIP_MII_CFG1); - break; - case 5: - gswip_mii_mask(priv, clear, set, GSWIP_MII_CFG5); - break; - } + /* There's no MII_CFG register for the CPU port */ + if (!dsa_is_cpu_port(priv->ds, port)) + gswip_mii_mask(priv, clear, set, GSWIP_MII_CFGp(port)); } static void gswip_mii_mask_pcdu(struct gswip_priv *priv, u32 clear, u32 set, @@ -822,9 +812,8 @@ static int gswip_setup(struct dsa_switch *ds) gswip_mdio_mask(priv, 0xff, 0x09, GSWIP_MDIO_MDC_CFG1); /* Disable the xMII link */ - gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, 0); - gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, 1); - gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, 5); + for (i = 0; i < priv->hw_info->max_ports; i++) + gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, i); /* enable special tag insertion on cpu port */ gswip_switch_mask(priv, 0, GSWIP_FDMA_PCTRL_STEN, @@ -1541,9 +1530,7 @@ static void gswip_phylink_mac_link_up(struct dsa_switch *ds, int port, { struct gswip_priv *priv = ds->priv; - /* Enable the xMII interface only for the external PHY */ - if (interface != PHY_INTERFACE_MODE_INTERNAL) - gswip_mii_mask_cfg(priv, 0, GSWIP_MII_CFG_EN, port); + gswip_mii_mask_cfg(priv, 0, GSWIP_MII_CFG_EN, port); } static void gswip_get_strings(struct dsa_switch *ds, int port, u32 stringset, diff --git a/drivers/net/ethernet/aquantia/Kconfig b/drivers/net/ethernet/aquantia/Kconfig index efb33c078a3c..cec2018c84a9 100644 --- a/drivers/net/ethernet/aquantia/Kconfig +++ b/drivers/net/ethernet/aquantia/Kconfig @@ -19,7 +19,6 @@ if NET_VENDOR_AQUANTIA config AQTION tristate "aQuantia AQtion(tm) Support" depends on PCI - depends on X86_64 || ARM64 || COMPILE_TEST depends on MACSEC || MACSEC=n help This enables the support for the aQuantia AQtion(tm) Ethernet card. diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 0fdd19d99d99..b1ae9eb8f247 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -2577,6 +2577,7 @@ static int bcm_sysport_probe(struct platform_device *pdev) NETIF_F_HW_VLAN_CTAG_TX; dev->hw_features |= dev->features; dev->vlan_features |= dev->features; + dev->max_mtu = UMAC_MAX_MTU_SIZE; /* Request the WOL interrupt and advertise suspend if available */ priv->wol_irq_disabled = 1; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 4edd6f8e017e..d10e4f85dd11 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6790,8 +6790,10 @@ static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp) ctx->tqm_fp_rings_count = resp->tqm_fp_rings_count; if (!ctx->tqm_fp_rings_count) ctx->tqm_fp_rings_count = bp->max_q; + else if (ctx->tqm_fp_rings_count > BNXT_MAX_TQM_FP_RINGS) + ctx->tqm_fp_rings_count = BNXT_MAX_TQM_FP_RINGS; - tqm_rings = ctx->tqm_fp_rings_count + 1; + tqm_rings = ctx->tqm_fp_rings_count + BNXT_MAX_TQM_SP_RINGS; ctx_pg = kcalloc(tqm_rings, sizeof(*ctx_pg), GFP_KERNEL); if (!ctx_pg) { kfree(ctx); @@ -6925,7 +6927,8 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables) pg_attr = &req.tqm_sp_pg_size_tqm_sp_lvl, pg_dir = &req.tqm_sp_page_dir, ena = FUNC_BACKING_STORE_CFG_REQ_ENABLES_TQM_SP; - i < 9; i++, num_entries++, pg_attr++, pg_dir++, ena <<= 1) { + i < BNXT_MAX_TQM_RINGS; + i++, num_entries++, pg_attr++, pg_dir++, ena <<= 1) { if (!(enables & ena)) continue; @@ -12887,10 +12890,10 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev, */ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) { + pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT; struct net_device *netdev = pci_get_drvdata(pdev); struct bnxt *bp = netdev_priv(netdev); int err = 0, off; - pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT; netdev_info(bp->dev, "PCI Slot Reset\n"); @@ -12919,22 +12922,8 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) pci_save_state(pdev); err = bnxt_hwrm_func_reset(bp); - if (!err) { - err = bnxt_hwrm_func_qcaps(bp); - if (!err && netif_running(netdev)) - err = bnxt_open(netdev); - } - bnxt_ulp_start(bp, err); - if (!err) { - bnxt_reenable_sriov(bp); + if (!err) result = PCI_ERS_RESULT_RECOVERED; - } - } - - if (result != PCI_ERS_RESULT_RECOVERED) { - if (netif_running(netdev)) - dev_close(netdev); - pci_disable_device(pdev); } rtnl_unlock(); @@ -12952,10 +12941,21 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) static void bnxt_io_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); + struct bnxt *bp = netdev_priv(netdev); + int err; + netdev_info(bp->dev, "PCI Slot Resume\n"); rtnl_lock(); - netif_device_attach(netdev); + err = bnxt_hwrm_func_qcaps(bp); + if (!err && netif_running(netdev)) + err = bnxt_open(netdev); + + bnxt_ulp_start(bp, err); + if (!err) { + bnxt_reenable_sriov(bp); + netif_device_attach(netdev); + } rtnl_unlock(); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 950ea26ae0d2..51996c85547e 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1436,6 +1436,11 @@ struct bnxt_ctx_pg_info { struct bnxt_ctx_pg_info **ctx_pg_tbl; }; +#define BNXT_MAX_TQM_SP_RINGS 1 +#define BNXT_MAX_TQM_FP_RINGS 8 +#define BNXT_MAX_TQM_RINGS \ + (BNXT_MAX_TQM_SP_RINGS + BNXT_MAX_TQM_FP_RINGS) + struct bnxt_ctx_mem_info { u32 qp_max_entries; u16 qp_min_qp1_entries; @@ -1474,7 +1479,7 @@ struct bnxt_ctx_mem_info { struct bnxt_ctx_pg_info stat_mem; struct bnxt_ctx_pg_info mrav_mem; struct bnxt_ctx_pg_info tim_mem; - struct bnxt_ctx_pg_info *tqm_mem[9]; + struct bnxt_ctx_pg_info *tqm_mem[BNXT_MAX_TQM_RINGS]; }; struct bnxt_fw_health { diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index d5d910916c2e..814a5b10141d 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -467,7 +467,7 @@ static void macb_set_tx_clk(struct macb *bp, int speed) { long ferr, rate, rate_rounded; - if (!bp->tx_clk || !(bp->caps & MACB_CAPS_CLK_HW_CHG)) + if (!bp->tx_clk || (bp->caps & MACB_CAPS_CLK_HW_CHG)) return; switch (speed) { diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 0981fe9652e5..3d9b0b161e24 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -1211,7 +1211,7 @@ static int ethoc_probe(struct platform_device *pdev) ret = mdiobus_register(priv->mdio); if (ret) { dev_err(&netdev->dev, "failed to register MDIO bus\n"); - goto free2; + goto free3; } ret = ethoc_mdio_probe(netdev); @@ -1243,6 +1243,7 @@ error2: netif_napi_del(&priv->napi); error: mdiobus_unregister(priv->mdio); +free3: mdiobus_free(priv->mdio); free2: clk_disable_unprepare(priv->clk); diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index ba8869c3d891..6d853f018d53 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -3889,6 +3889,7 @@ static int ucc_geth_probe(struct platform_device* ofdev) INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work); netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64); dev->mtu = 1500; + dev->max_mtu = 1518; ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT); ugeth->phy_interface = phy_interface; @@ -3934,12 +3935,12 @@ static int ucc_geth_remove(struct platform_device* ofdev) struct device_node *np = ofdev->dev.of_node; unregister_netdev(dev); - free_netdev(dev); ucc_geth_memclean(ugeth); if (of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); of_node_put(ugeth->ug_info->tbi_node); of_node_put(ugeth->ug_info->phy_node); + free_netdev(dev); return 0; } diff --git a/drivers/net/ethernet/freescale/ucc_geth.h b/drivers/net/ethernet/freescale/ucc_geth.h index 1a9bdf66a7d8..11d4bf5dc21f 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.h +++ b/drivers/net/ethernet/freescale/ucc_geth.h @@ -575,7 +575,14 @@ struct ucc_geth_tx_global_pram { u32 vtagtable[0x8]; /* 8 4-byte VLAN tags */ u32 tqptr; /* a base pointer to the Tx Queues Memory Region */ - u8 res2[0x80 - 0x74]; + u8 res2[0x78 - 0x74]; + u64 snums_en; + u32 l2l3baseptr; /* top byte consists of a few other bit fields */ + + u16 mtu[8]; + u8 res3[0xa8 - 0x94]; + u32 wrrtablebase; /* top byte is reserved */ + u8 res4[0xc0 - 0xac]; } __packed; /* structure representing Extended Filtering Global Parameters in PRAM */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 7165da0ee9aa..a6e3f07caf99 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -415,6 +415,10 @@ static void __lb_other_process(struct hns_nic_ring_data *ring_data, /* for mutl buffer*/ new_skb = skb_copy(skb, GFP_ATOMIC); dev_kfree_skb_any(skb); + if (!new_skb) { + netdev_err(ndev, "skb alloc failed\n"); + return; + } skb = new_skb; check_ok = 0; diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index f302504faa8a..9778c83150f1 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -955,6 +955,7 @@ static void release_resources(struct ibmvnic_adapter *adapter) release_rx_pools(adapter); release_napi(adapter); + release_login_buffer(adapter); release_login_rsp_buffer(adapter); } @@ -2341,8 +2342,7 @@ static void __ibmvnic_reset(struct work_struct *work) set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(60 * HZ); } - } else if (!(rwi->reset_reason == VNIC_RESET_FATAL && - adapter->from_passive_init)) { + } else { rc = do_reset(adapter, rwi, reset_state); } kfree(rwi); @@ -2981,9 +2981,7 @@ static int reset_one_sub_crq_queue(struct ibmvnic_adapter *adapter, int rc; if (!scrq) { - netdev_dbg(adapter->netdev, - "Invalid scrq reset. irq (%d) or msgs (%p).\n", - scrq->irq, scrq->msgs); + netdev_dbg(adapter->netdev, "Invalid scrq reset.\n"); return -EINVAL; } @@ -3873,7 +3871,9 @@ static int send_login(struct ibmvnic_adapter *adapter) return -1; } + release_login_buffer(adapter); release_login_rsp_buffer(adapter); + client_data_len = vnic_client_data_len(adapter); buffer_size = diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index ba7a0f8f6937..5b2143f4b1f8 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -436,6 +436,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca); #define FLAG2_DFLT_CRC_STRIPPING BIT(12) #define FLAG2_CHECK_RX_HWTSTAMP BIT(13) #define FLAG2_CHECK_SYSTIM_OVERFLOW BIT(14) +#define FLAG2_ENABLE_S0IX_FLOWS BIT(15) #define E1000_RX_DESC_PS(R, i) \ (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index 03215b0aee4b..06442e6bef73 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -23,6 +23,13 @@ struct e1000_stats { int stat_offset; }; +static const char e1000e_priv_flags_strings[][ETH_GSTRING_LEN] = { +#define E1000E_PRIV_FLAGS_S0IX_ENABLED BIT(0) + "s0ix-enabled", +}; + +#define E1000E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(e1000e_priv_flags_strings) + #define E1000_STAT(str, m) { \ .stat_string = str, \ .type = E1000_STATS, \ @@ -1776,6 +1783,8 @@ static int e1000e_get_sset_count(struct net_device __always_unused *netdev, return E1000_TEST_LEN; case ETH_SS_STATS: return E1000_STATS_LEN; + case ETH_SS_PRIV_FLAGS: + return E1000E_PRIV_FLAGS_STR_LEN; default: return -EOPNOTSUPP; } @@ -2097,6 +2106,10 @@ static void e1000_get_strings(struct net_device __always_unused *netdev, p += ETH_GSTRING_LEN; } break; + case ETH_SS_PRIV_FLAGS: + memcpy(data, e1000e_priv_flags_strings, + E1000E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN); + break; } } @@ -2305,6 +2318,37 @@ static int e1000e_get_ts_info(struct net_device *netdev, return 0; } +static u32 e1000e_get_priv_flags(struct net_device *netdev) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + u32 priv_flags = 0; + + if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) + priv_flags |= E1000E_PRIV_FLAGS_S0IX_ENABLED; + + return priv_flags; +} + +static int e1000e_set_priv_flags(struct net_device *netdev, u32 priv_flags) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + unsigned int flags2 = adapter->flags2; + + flags2 &= ~FLAG2_ENABLE_S0IX_FLOWS; + if (priv_flags & E1000E_PRIV_FLAGS_S0IX_ENABLED) { + struct e1000_hw *hw = &adapter->hw; + + if (hw->mac.type < e1000_pch_cnp) + return -EINVAL; + flags2 |= FLAG2_ENABLE_S0IX_FLOWS; + } + + if (flags2 != adapter->flags2) + adapter->flags2 = flags2; + + return 0; +} + static const struct ethtool_ops e1000_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, .get_drvinfo = e1000_get_drvinfo, @@ -2336,6 +2380,8 @@ static const struct ethtool_ops e1000_ethtool_ops = { .set_eee = e1000e_set_eee, .get_link_ksettings = e1000_get_link_ksettings, .set_link_ksettings = e1000_set_link_ksettings, + .get_priv_flags = e1000e_get_priv_flags, + .set_priv_flags = e1000e_set_priv_flags, }; void e1000e_set_ethtool_ops(struct net_device *netdev) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 9aa6fad8ed47..6fb46682b058 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1240,6 +1240,9 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) return 0; if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) { + struct e1000_adapter *adapter = hw->adapter; + bool firmware_bug = false; + if (force) { /* Request ME un-configure ULP mode in the PHY */ mac_reg = er32(H2ME); @@ -1248,16 +1251,24 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) ew32(H2ME, mac_reg); } - /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */ + /* Poll up to 2.5 seconds for ME to clear ULP_CFG_DONE. + * If this takes more than 1 second, show a warning indicating a + * firmware bug + */ while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) { - if (i++ == 30) { + if (i++ == 250) { ret_val = -E1000_ERR_PHY; goto out; } + if (i > 100 && !firmware_bug) + firmware_bug = true; usleep_range(10000, 11000); } - e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10); + if (firmware_bug) + e_warn("ULP_CONFIG_DONE took %dmsec. This is a firmware bug\n", i * 10); + else + e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10); if (force) { mac_reg = er32(H2ME); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 128ab6898070..e9b82c209c2d 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -103,45 +103,6 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = { {0, NULL} }; -struct e1000e_me_supported { - u16 device_id; /* supported device ID */ -}; - -static const struct e1000e_me_supported me_supported[] = { - {E1000_DEV_ID_PCH_LPT_I217_LM}, - {E1000_DEV_ID_PCH_LPTLP_I218_LM}, - {E1000_DEV_ID_PCH_I218_LM2}, - {E1000_DEV_ID_PCH_I218_LM3}, - {E1000_DEV_ID_PCH_SPT_I219_LM}, - {E1000_DEV_ID_PCH_SPT_I219_LM2}, - {E1000_DEV_ID_PCH_LBG_I219_LM3}, - {E1000_DEV_ID_PCH_SPT_I219_LM4}, - {E1000_DEV_ID_PCH_SPT_I219_LM5}, - {E1000_DEV_ID_PCH_CNP_I219_LM6}, - {E1000_DEV_ID_PCH_CNP_I219_LM7}, - {E1000_DEV_ID_PCH_ICP_I219_LM8}, - {E1000_DEV_ID_PCH_ICP_I219_LM9}, - {E1000_DEV_ID_PCH_CMP_I219_LM10}, - {E1000_DEV_ID_PCH_CMP_I219_LM11}, - {E1000_DEV_ID_PCH_CMP_I219_LM12}, - {E1000_DEV_ID_PCH_TGP_I219_LM13}, - {E1000_DEV_ID_PCH_TGP_I219_LM14}, - {E1000_DEV_ID_PCH_TGP_I219_LM15}, - {0} -}; - -static bool e1000e_check_me(u16 device_id) -{ - struct e1000e_me_supported *id; - - for (id = (struct e1000e_me_supported *)me_supported; - id->device_id; id++) - if (device_id == id->device_id) - return true; - - return false; -} - /** * __ew32_prepare - prepare to write to MAC CSR register on certain parts * @hw: pointer to the HW structure @@ -6962,7 +6923,6 @@ static __maybe_unused int e1000e_pm_suspend(struct device *dev) struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev)); struct e1000_adapter *adapter = netdev_priv(netdev); struct pci_dev *pdev = to_pci_dev(dev); - struct e1000_hw *hw = &adapter->hw; int rc; e1000e_flush_lpic(pdev); @@ -6970,13 +6930,13 @@ static __maybe_unused int e1000e_pm_suspend(struct device *dev) e1000e_pm_freeze(dev); rc = __e1000_shutdown(pdev, false); - if (rc) + if (rc) { e1000e_pm_thaw(dev); - - /* Introduce S0ix implementation */ - if (hw->mac.type >= e1000_pch_cnp && - !e1000e_check_me(hw->adapter->pdev->device)) - e1000e_s0ix_entry_flow(adapter); + } else { + /* Introduce S0ix implementation */ + if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) + e1000e_s0ix_entry_flow(adapter); + } return rc; } @@ -6986,12 +6946,10 @@ static __maybe_unused int e1000e_pm_resume(struct device *dev) struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev)); struct e1000_adapter *adapter = netdev_priv(netdev); struct pci_dev *pdev = to_pci_dev(dev); - struct e1000_hw *hw = &adapter->hw; int rc; /* Introduce S0ix implementation */ - if (hw->mac.type >= e1000_pch_cnp && - !e1000e_check_me(hw->adapter->pdev->device)) + if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) e1000e_s0ix_exit_flow(adapter); rc = __e1000_resume(pdev); @@ -7655,6 +7613,9 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!(adapter->flags & FLAG_HAS_AMT)) e1000e_get_hw_control(adapter); + if (hw->mac.type >= e1000_pch_cnp) + adapter->flags2 |= FLAG2_ENABLE_S0IX_FLOWS; + strlcpy(netdev->name, "eth%d", sizeof(netdev->name)); err = register_netdev(netdev); if (err) diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index d231a2cdd98f..118473dfdcbd 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -120,6 +120,7 @@ enum i40e_state_t { __I40E_RESET_INTR_RECEIVED, __I40E_REINIT_REQUESTED, __I40E_PF_RESET_REQUESTED, + __I40E_PF_RESET_AND_REBUILD_REQUESTED, __I40E_CORE_RESET_REQUESTED, __I40E_GLOBAL_RESET_REQUESTED, __I40E_EMP_RESET_INTR_RECEIVED, @@ -146,6 +147,8 @@ enum i40e_state_t { }; #define I40E_PF_RESET_FLAG BIT_ULL(__I40E_PF_RESET_REQUESTED) +#define I40E_PF_RESET_AND_REBUILD_FLAG \ + BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED) /* VSI state flags */ enum i40e_vsi_state_t { diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 1337686bd099..1db482d310c2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -36,6 +36,8 @@ static int i40e_setup_misc_vector(struct i40e_pf *pf); static void i40e_determine_queue_usage(struct i40e_pf *pf); static int i40e_setup_pf_filter_control(struct i40e_pf *pf); static void i40e_prep_for_reset(struct i40e_pf *pf, bool lock_acquired); +static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit, + bool lock_acquired); static int i40e_reset(struct i40e_pf *pf); static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired); static int i40e_setup_misc_vector_for_recovery_mode(struct i40e_pf *pf); @@ -8536,6 +8538,14 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired) "FW LLDP is disabled\n" : "FW LLDP is enabled\n"); + } else if (reset_flags & I40E_PF_RESET_AND_REBUILD_FLAG) { + /* Request a PF Reset + * + * Resets PF and reinitializes PFs VSI. + */ + i40e_prep_for_reset(pf, lock_acquired); + i40e_reset_and_rebuild(pf, true, lock_acquired); + } else if (reset_flags & BIT_ULL(__I40E_REINIT_REQUESTED)) { int v; diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 729c4f0d5ac5..21ee56420c3a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1772,7 +1772,7 @@ int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) if (num_vfs) { if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; - i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); + i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG); } ret = i40e_pci_sriov_enable(pdev, num_vfs); goto sriov_configure_out; @@ -1781,7 +1781,7 @@ int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) if (!pci_vfs_assigned(pf->pdev)) { i40e_free_vfs(pf); pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; - i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); + i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG); } else { dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); ret = -EINVAL; diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 95543dfd4fe7..0a867d64d467 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -1834,11 +1834,9 @@ static int iavf_init_get_resources(struct iavf_adapter *adapter) netif_tx_stop_all_queues(netdev); if (CLIENT_ALLOWED(adapter)) { err = iavf_lan_add_device(adapter); - if (err) { - rtnl_unlock(); + if (err) dev_info(&pdev->dev, "Failed to add VF to client API service list: %d\n", err); - } } dev_info(&pdev->dev, "MAC address: %pM\n", adapter->hw.mac.addr); if (netdev->features & NETIF_F_GRO) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 563ceac3060f..3369ec717a51 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -5255,7 +5255,7 @@ static int mvneta_probe(struct platform_device *pdev) err = mvneta_port_power_up(pp, pp->phy_interface); if (err < 0) { dev_err(&pdev->dev, "can't power up port\n"); - return err; + goto err_netdev; } /* Armada3700 network controller does not support per-cpu diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index afdd22827223..4b1808acef58 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -1231,7 +1231,7 @@ static void mvpp22_gop_init_rgmii(struct mvpp2_port *port) regmap_read(priv->sysctrl_base, GENCONF_CTRL0, &val); if (port->gop_id == 2) - val |= GENCONF_CTRL0_PORT0_RGMII | GENCONF_CTRL0_PORT1_RGMII; + val |= GENCONF_CTRL0_PORT0_RGMII; else if (port->gop_id == 3) val |= GENCONF_CTRL0_PORT1_RGMII_MII; regmap_write(priv->sysctrl_base, GENCONF_CTRL0, val); @@ -2370,17 +2370,18 @@ static void mvpp2_rx_pkts_coal_set(struct mvpp2_port *port, static void mvpp2_tx_pkts_coal_set(struct mvpp2_port *port, struct mvpp2_tx_queue *txq) { - unsigned int thread = mvpp2_cpu_to_thread(port->priv, get_cpu()); + unsigned int thread; u32 val; if (txq->done_pkts_coal > MVPP2_TXQ_THRESH_MASK) txq->done_pkts_coal = MVPP2_TXQ_THRESH_MASK; val = (txq->done_pkts_coal << MVPP2_TXQ_THRESH_OFFSET); - mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_NUM_REG, txq->id); - mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_THRESH_REG, val); - - put_cpu(); + /* PKT-coalescing registers are per-queue + per-thread */ + for (thread = 0; thread < MVPP2_MAX_THREADS; thread++) { + mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_NUM_REG, txq->id); + mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_THRESH_REG, val); + } } static u32 mvpp2_usec_to_cycles(u32 usec, unsigned long clk_hz) @@ -5487,7 +5488,7 @@ static int mvpp2_port_init(struct mvpp2_port *port) struct mvpp2 *priv = port->priv; struct mvpp2_txq_pcpu *txq_pcpu; unsigned int thread; - int queue, err; + int queue, err, val; /* Checks for hardware constraints */ if (port->first_rxq + port->nrxqs > @@ -5501,6 +5502,18 @@ static int mvpp2_port_init(struct mvpp2_port *port) mvpp2_egress_disable(port); mvpp2_port_disable(port); + if (mvpp2_is_xlg(port->phy_interface)) { + val = readl(port->base + MVPP22_XLG_CTRL0_REG); + val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS; + val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN; + writel(val, port->base + MVPP22_XLG_CTRL0_REG); + } else { + val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG); + val &= ~MVPP2_GMAC_FORCE_LINK_PASS; + val |= MVPP2_GMAC_FORCE_LINK_DOWN; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); + } + port->tx_time_coal = MVPP2_TXDONE_COAL_USEC; port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs), diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c index 5692c6087bbb..a30eb90ba3d2 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c @@ -405,6 +405,38 @@ static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start, return -EINVAL; } +/* Drop flow control pause frames */ +static void mvpp2_prs_drop_fc(struct mvpp2 *priv) +{ + unsigned char da[ETH_ALEN] = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x01 }; + struct mvpp2_prs_entry pe; + unsigned int len; + + memset(&pe, 0, sizeof(pe)); + + /* For all ports - drop flow control frames */ + pe.index = MVPP2_PE_FC_DROP; + mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC); + + /* Set match on DA */ + len = ETH_ALEN; + while (len--) + mvpp2_prs_tcam_data_byte_set(&pe, len, da[len], 0xff); + + mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK, + MVPP2_PRS_RI_DROP_MASK); + + mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1); + mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS); + + /* Mask all ports */ + mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK); + + /* Update shadow table and hw entry */ + mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC); + mvpp2_prs_hw_write(priv, &pe); +} + /* Enable/disable dropping all mac da's */ static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add) { @@ -1162,6 +1194,7 @@ static void mvpp2_prs_mac_init(struct mvpp2 *priv) mvpp2_prs_hw_write(priv, &pe); /* Create dummy entries for drop all and promiscuous modes */ + mvpp2_prs_drop_fc(priv); mvpp2_prs_mac_drop_all_set(priv, 0, false); mvpp2_prs_mac_promisc_set(priv, 0, MVPP2_PRS_L2_UNI_CAST, false); mvpp2_prs_mac_promisc_set(priv, 0, MVPP2_PRS_L2_MULTI_CAST, false); @@ -1647,8 +1680,9 @@ static int mvpp2_prs_pppoe_init(struct mvpp2 *priv) mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6); mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6, MVPP2_PRS_RI_L3_PROTO_MASK); - /* Skip eth_type + 4 bytes of IPv6 header */ - mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4, + /* Jump to DIP of IPV6 header */ + mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 + + MVPP2_MAX_L3_ADDR_SIZE, MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD); /* Set L3 offset */ mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3, diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h index e22f6c85d380..4b68dd374733 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h @@ -129,7 +129,7 @@ #define MVPP2_PE_VID_EDSA_FLTR_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 7) #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 6) #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 5) -/* reserved */ +#define MVPP2_PE_FC_DROP (MVPP2_PRS_TCAM_SRAM_SIZE - 4) #define MVPP2_PE_MAC_MC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 3) #define MVPP2_PE_MAC_UC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2) #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c index 9156c9825a16..ac4cd5d82e69 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c @@ -337,7 +337,7 @@ void ionic_rx_fill(struct ionic_queue *q) unsigned int i, j; unsigned int len; - len = netdev->mtu + ETH_HLEN; + len = netdev->mtu + ETH_HLEN + VLAN_HLEN; nfrags = round_up(len, PAGE_SIZE) / PAGE_SIZE; for (i = ionic_q_space_avail(q); i; i--) { diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index a2494bf85007..ca0ee29a57b5 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1799,6 +1799,11 @@ netdev_features_t qede_features_check(struct sk_buff *skb, ntohs(udp_hdr(skb)->dest) != gnv_port)) return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + } else if (l4_proto == IPPROTO_IPIP) { + /* IPIP tunnels are unknown to the device or at least unsupported natively, + * offloads for them can't be done trivially, so disable them for such skb. + */ + return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } } diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 46d8510b2fe2..a569abe7f5ef 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -2207,7 +2207,8 @@ static void rtl_pll_power_down(struct rtl8169_private *tp) } switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: + case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33: case RTL_GIGA_MAC_VER_37: case RTL_GIGA_MAC_VER_39: case RTL_GIGA_MAC_VER_43: @@ -2233,7 +2234,8 @@ static void rtl_pll_power_down(struct rtl8169_private *tp) static void rtl_pll_power_up(struct rtl8169_private *tp) { switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: + case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33: case RTL_GIGA_MAC_VER_37: case RTL_GIGA_MAC_VER_39: case RTL_GIGA_MAC_VER_43: diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index a2e80c89de2d..9a6a519426a0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -721,6 +721,8 @@ static SIMPLE_DEV_PM_OPS(intel_eth_pm_ops, intel_eth_pci_suspend, #define PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G_ID 0x4bb0 #define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G_ID 0x4bb1 #define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5_ID 0x4bb2 +#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_0_ID 0x43ac +#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_1_ID 0x43a2 #define PCI_DEVICE_ID_INTEL_TGL_SGMII1G_ID 0xa0ac static const struct pci_device_id intel_eth_pci_id_table[] = { @@ -735,6 +737,8 @@ static const struct pci_device_id intel_eth_pci_id_table[] = { { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G_ID, &ehl_pse1_sgmii1g_info) }, { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5_ID, &ehl_pse1_sgmii1g_info) }, { PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_info) }, + { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_0_ID, &tgl_sgmii1g_info) }, + { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1_ID, &tgl_sgmii1g_info) }, {} }; MODULE_DEVICE_TABLE(pci, intel_eth_pci_id_table); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c index 459ae715b33d..f184b00f5116 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c @@ -135,7 +135,7 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac *dwmac) struct device *dev = dwmac->dev; static const struct clk_parent_data mux_parents[] = { { .fw_name = "clkin0", }, - { .fw_name = "clkin1", }, + { .index = -1, }, }; static const struct clk_div_table div_table[] = { { .div = 2, .val = 2, }, diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index d1fc7955d422..43222a34cba0 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -599,6 +599,7 @@ void cpts_unregister(struct cpts *cpts) ptp_clock_unregister(cpts->clock); cpts->clock = NULL; + cpts->phc_index = -1; cpts_write32(cpts, 0, int_enable); cpts_write32(cpts, 0, control); @@ -784,6 +785,7 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs, cpts->cc.read = cpts_systim_read; cpts->cc.mask = CLOCKSOURCE_MASK(32); cpts->info = cpts_info; + cpts->phc_index = -1; if (n_ext_ts) cpts->info.n_ext_ts = n_ext_ts; diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c index c4795249719d..14d9a791924b 100644 --- a/drivers/net/ipa/gsi.c +++ b/drivers/net/ipa/gsi.c @@ -326,8 +326,8 @@ gsi_evt_ring_state(struct gsi *gsi, u32 evt_ring_id) } /* Issue an event ring command and wait for it to complete */ -static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id, - enum gsi_evt_cmd_opcode opcode) +static void evt_ring_command(struct gsi *gsi, u32 evt_ring_id, + enum gsi_evt_cmd_opcode opcode) { struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id]; struct completion *completion = &evt_ring->completion; @@ -340,7 +340,13 @@ static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id, * is issued here. Only permit *this* event ring to trigger * an interrupt, and only enable the event control IRQ type * when we expect it to occur. + * + * There's a small chance that a previous command completed + * after the interrupt was disabled, so make sure we have no + * pending interrupts before we enable them. */ + iowrite32(~0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_CLR_OFFSET); + val = BIT(evt_ring_id); iowrite32(val, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET); gsi_irq_type_enable(gsi, GSI_EV_CTRL); @@ -355,19 +361,16 @@ static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id, iowrite32(0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET); if (success) - return 0; + return; dev_err(dev, "GSI command %u for event ring %u timed out, state %u\n", opcode, evt_ring_id, evt_ring->state); - - return -ETIMEDOUT; } /* Allocate an event ring in NOT_ALLOCATED state */ static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id) { struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id]; - int ret; /* Get initial event ring state */ evt_ring->state = gsi_evt_ring_state(gsi, evt_ring_id); @@ -377,14 +380,16 @@ static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id) return -EINVAL; } - ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE); - if (!ret && evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) { - dev_err(gsi->dev, "event ring %u bad state %u after alloc\n", - evt_ring_id, evt_ring->state); - ret = -EIO; - } + evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE); - return ret; + /* If successful the event ring state will have changed */ + if (evt_ring->state == GSI_EVT_RING_STATE_ALLOCATED) + return 0; + + dev_err(gsi->dev, "event ring %u bad state %u after alloc\n", + evt_ring_id, evt_ring->state); + + return -EIO; } /* Reset a GSI event ring in ALLOCATED or ERROR state. */ @@ -392,7 +397,6 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id) { struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id]; enum gsi_evt_ring_state state = evt_ring->state; - int ret; if (state != GSI_EVT_RING_STATE_ALLOCATED && state != GSI_EVT_RING_STATE_ERROR) { @@ -401,17 +405,20 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id) return; } - ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET); - if (!ret && evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) - dev_err(gsi->dev, "event ring %u bad state %u after reset\n", - evt_ring_id, evt_ring->state); + evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET); + + /* If successful the event ring state will have changed */ + if (evt_ring->state == GSI_EVT_RING_STATE_ALLOCATED) + return; + + dev_err(gsi->dev, "event ring %u bad state %u after reset\n", + evt_ring_id, evt_ring->state); } /* Issue a hardware de-allocation request for an allocated event ring */ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id) { struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id]; - int ret; if (evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) { dev_err(gsi->dev, "event ring %u state %u before dealloc\n", @@ -419,10 +426,14 @@ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id) return; } - ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC); - if (!ret && evt_ring->state != GSI_EVT_RING_STATE_NOT_ALLOCATED) - dev_err(gsi->dev, "event ring %u bad state %u after dealloc\n", - evt_ring_id, evt_ring->state); + evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC); + + /* If successful the event ring state will have changed */ + if (evt_ring->state == GSI_EVT_RING_STATE_NOT_ALLOCATED) + return; + + dev_err(gsi->dev, "event ring %u bad state %u after dealloc\n", + evt_ring_id, evt_ring->state); } /* Fetch the current state of a channel from hardware */ @@ -438,7 +449,7 @@ static enum gsi_channel_state gsi_channel_state(struct gsi_channel *channel) } /* Issue a channel command and wait for it to complete */ -static int +static void gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode) { struct completion *completion = &channel->completion; @@ -453,7 +464,13 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode) * issued here. So we only permit *this* channel to trigger * an interrupt and only enable the channel control IRQ type * when we expect it to occur. + * + * There's a small chance that a previous command completed + * after the interrupt was disabled, so make sure we have no + * pending interrupts before we enable them. */ + iowrite32(~0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_CLR_OFFSET); + val = BIT(channel_id); iowrite32(val, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET); gsi_irq_type_enable(gsi, GSI_CH_CTRL); @@ -467,12 +484,10 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode) iowrite32(0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET); if (success) - return 0; + return; dev_err(dev, "GSI command %u for channel %u timed out, state %u\n", opcode, channel_id, gsi_channel_state(channel)); - - return -ETIMEDOUT; } /* Allocate GSI channel in NOT_ALLOCATED state */ @@ -481,7 +496,6 @@ static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id) struct gsi_channel *channel = &gsi->channel[channel_id]; struct device *dev = gsi->dev; enum gsi_channel_state state; - int ret; /* Get initial channel state */ state = gsi_channel_state(channel); @@ -491,17 +505,17 @@ static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id) return -EINVAL; } - ret = gsi_channel_command(channel, GSI_CH_ALLOCATE); + gsi_channel_command(channel, GSI_CH_ALLOCATE); - /* Channel state will normally have been updated */ + /* If successful the channel state will have changed */ state = gsi_channel_state(channel); - if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED) { - dev_err(dev, "channel %u bad state %u after alloc\n", - channel_id, state); - ret = -EIO; - } + if (state == GSI_CHANNEL_STATE_ALLOCATED) + return 0; - return ret; + dev_err(dev, "channel %u bad state %u after alloc\n", + channel_id, state); + + return -EIO; } /* Start an ALLOCATED channel */ @@ -509,7 +523,6 @@ static int gsi_channel_start_command(struct gsi_channel *channel) { struct device *dev = channel->gsi->dev; enum gsi_channel_state state; - int ret; state = gsi_channel_state(channel); if (state != GSI_CHANNEL_STATE_ALLOCATED && @@ -519,17 +532,17 @@ static int gsi_channel_start_command(struct gsi_channel *channel) return -EINVAL; } - ret = gsi_channel_command(channel, GSI_CH_START); + gsi_channel_command(channel, GSI_CH_START); - /* Channel state will normally have been updated */ + /* If successful the channel state will have changed */ state = gsi_channel_state(channel); - if (!ret && state != GSI_CHANNEL_STATE_STARTED) { - dev_err(dev, "channel %u bad state %u after start\n", - gsi_channel_id(channel), state); - ret = -EIO; - } + if (state == GSI_CHANNEL_STATE_STARTED) + return 0; - return ret; + dev_err(dev, "channel %u bad state %u after start\n", + gsi_channel_id(channel), state); + + return -EIO; } /* Stop a GSI channel in STARTED state */ @@ -537,7 +550,6 @@ static int gsi_channel_stop_command(struct gsi_channel *channel) { struct device *dev = channel->gsi->dev; enum gsi_channel_state state; - int ret; state = gsi_channel_state(channel); @@ -554,12 +566,12 @@ static int gsi_channel_stop_command(struct gsi_channel *channel) return -EINVAL; } - ret = gsi_channel_command(channel, GSI_CH_STOP); + gsi_channel_command(channel, GSI_CH_STOP); - /* Channel state will normally have been updated */ + /* If successful the channel state will have changed */ state = gsi_channel_state(channel); - if (ret || state == GSI_CHANNEL_STATE_STOPPED) - return ret; + if (state == GSI_CHANNEL_STATE_STOPPED) + return 0; /* We may have to try again if stop is in progress */ if (state == GSI_CHANNEL_STATE_STOP_IN_PROC) @@ -576,7 +588,6 @@ static void gsi_channel_reset_command(struct gsi_channel *channel) { struct device *dev = channel->gsi->dev; enum gsi_channel_state state; - int ret; msleep(1); /* A short delay is required before a RESET command */ @@ -590,11 +601,11 @@ static void gsi_channel_reset_command(struct gsi_channel *channel) return; } - ret = gsi_channel_command(channel, GSI_CH_RESET); + gsi_channel_command(channel, GSI_CH_RESET); - /* Channel state will normally have been updated */ + /* If successful the channel state will have changed */ state = gsi_channel_state(channel); - if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED) + if (state != GSI_CHANNEL_STATE_ALLOCATED) dev_err(dev, "channel %u bad state %u after reset\n", gsi_channel_id(channel), state); } @@ -605,7 +616,6 @@ static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id) struct gsi_channel *channel = &gsi->channel[channel_id]; struct device *dev = gsi->dev; enum gsi_channel_state state; - int ret; state = gsi_channel_state(channel); if (state != GSI_CHANNEL_STATE_ALLOCATED) { @@ -614,11 +624,12 @@ static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id) return; } - ret = gsi_channel_command(channel, GSI_CH_DE_ALLOC); + gsi_channel_command(channel, GSI_CH_DE_ALLOC); - /* Channel state will normally have been updated */ + /* If successful the channel state will have changed */ state = gsi_channel_state(channel); - if (!ret && state != GSI_CHANNEL_STATE_NOT_ALLOCATED) + + if (state != GSI_CHANNEL_STATE_NOT_ALLOCATED) dev_err(dev, "channel %u bad state %u after dealloc\n", channel_id, state); } diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c index 9dcf16f399b7..135c393437f1 100644 --- a/drivers/net/ipa/ipa_clock.c +++ b/drivers/net/ipa/ipa_clock.c @@ -115,13 +115,13 @@ static int ipa_interconnect_enable(struct ipa *ipa) return ret; data = &clock->interconnect_data[IPA_INTERCONNECT_IMEM]; - ret = icc_set_bw(clock->memory_path, data->average_rate, + ret = icc_set_bw(clock->imem_path, data->average_rate, data->peak_rate); if (ret) goto err_memory_path_disable; data = &clock->interconnect_data[IPA_INTERCONNECT_CONFIG]; - ret = icc_set_bw(clock->memory_path, data->average_rate, + ret = icc_set_bw(clock->config_path, data->average_rate, data->peak_rate); if (ret) goto err_imem_path_disable; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index fbed05ae7b0f..978ac0981d16 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1365,7 +1365,7 @@ static struct sk_buff *tun_napi_alloc_frags(struct tun_file *tfile, int i; if (it->nr_segs > MAX_SKB_FRAGS + 1) - return ERR_PTR(-ENOMEM); + return ERR_PTR(-EMSGSIZE); local_bh_disable(); skb = napi_get_frags(&tfile->napi); diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 2bac57d5e8d5..3b816a4731f2 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1863,9 +1863,6 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE. */ - netif_info(dev, link, dev->net, - "network connection: %sconnected\n", - !!event->wValue ? "" : "dis"); usbnet_link_change(dev, !!event->wValue, 0); break; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index d166c321ee9b..af19513a9f75 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1013,6 +1013,7 @@ static const struct usb_device_id products[] = { {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ + {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ /* 3. Combined interface devices matching on interface number */ diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 4c41df624dbb..508408fbe78f 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2093,14 +2093,16 @@ static int virtnet_set_channels(struct net_device *dev, get_online_cpus(); err = _virtnet_set_queues(vi, queue_pairs); - if (!err) { - netif_set_real_num_tx_queues(dev, queue_pairs); - netif_set_real_num_rx_queues(dev, queue_pairs); - - virtnet_set_affinity(vi); + if (err) { + put_online_cpus(); + goto err; } + virtnet_set_affinity(vi); put_online_cpus(); + netif_set_real_num_tx_queues(dev, queue_pairs); + netif_set_real_num_rx_queues(dev, queue_pairs); + err: return err; } diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c index 64f855651336..261b53fc8e04 100644 --- a/drivers/net/wan/hdlc_ppp.c +++ b/drivers/net/wan/hdlc_ppp.c @@ -569,6 +569,13 @@ static void ppp_timer(struct timer_list *t) unsigned long flags; spin_lock_irqsave(&ppp->lock, flags); + /* mod_timer could be called after we entered this function but + * before we got the lock. + */ + if (timer_pending(&proto->timer)) { + spin_unlock_irqrestore(&ppp->lock, flags); + return; + } switch (proto->state) { case STOPPING: case REQ_SENT: diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index b97c38b9a270..350b7913622c 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -185,7 +185,7 @@ int ath11k_core_suspend(struct ath11k_base *ab) ath11k_hif_ce_irq_disable(ab); ret = ath11k_hif_suspend(ab); - if (!ret) { + if (ret) { ath11k_warn(ab, "failed to suspend hif: %d\n", ret); return ret; } diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index 205c0f1a40e9..920e5026a635 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -2294,6 +2294,7 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc, { u8 channel_num; u32 center_freq; + struct ieee80211_channel *channel; rx_status->freq = 0; rx_status->rate_idx = 0; @@ -2314,9 +2315,12 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc, rx_status->band = NL80211_BAND_5GHZ; } else { spin_lock_bh(&ar->data_lock); - rx_status->band = ar->rx_channel->band; - channel_num = - ieee80211_frequency_to_channel(ar->rx_channel->center_freq); + channel = ar->rx_channel; + if (channel) { + rx_status->band = channel->band; + channel_num = + ieee80211_frequency_to_channel(channel->center_freq); + } spin_unlock_bh(&ar->data_lock); ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "rx_desc: ", rx_desc, sizeof(struct hal_rx_desc)); diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 5c175e3e09b2..c1608f64ea95 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -3021,6 +3021,7 @@ static int ath11k_mac_station_add(struct ath11k *ar, } if (ab->hw_params.vdev_start_delay && + !arvif->is_started && arvif->vdev_type != WMI_VDEV_TYPE_AP) { ret = ath11k_start_vdev_delay(ar->hw, vif); if (ret) { @@ -5284,7 +5285,8 @@ ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, /* for QCA6390 bss peer must be created before vdev_start */ if (ab->hw_params.vdev_start_delay && arvif->vdev_type != WMI_VDEV_TYPE_AP && - arvif->vdev_type != WMI_VDEV_TYPE_MONITOR) { + arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && + !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) { memcpy(&arvif->chanctx, ctx, sizeof(*ctx)); ret = 0; goto out; @@ -5295,7 +5297,9 @@ ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, goto out; } - if (ab->hw_params.vdev_start_delay) { + if (ab->hw_params.vdev_start_delay && + (arvif->vdev_type == WMI_VDEV_TYPE_AP || + arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)) { param.vdev_id = arvif->vdev_id; param.peer_type = WMI_PEER_TYPE_DEFAULT; param.peer_addr = ar->mac_addr; diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 857647aa57c8..20b415cd96c4 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -274,7 +274,7 @@ static int ath11k_pci_fix_l1ss(struct ath11k_base *ab) PCIE_QSERDES_COM_SYSCLK_EN_SEL_REG, PCIE_QSERDES_COM_SYSCLK_EN_SEL_VAL, PCIE_QSERDES_COM_SYSCLK_EN_SEL_MSK); - if (!ret) { + if (ret) { ath11k_warn(ab, "failed to set sysclk: %d\n", ret); return ret; } @@ -283,7 +283,7 @@ static int ath11k_pci_fix_l1ss(struct ath11k_base *ab) PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG1_REG, PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG1_VAL, PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG_MSK); - if (!ret) { + if (ret) { ath11k_warn(ab, "failed to set dtct config1 error: %d\n", ret); return ret; } @@ -292,7 +292,7 @@ static int ath11k_pci_fix_l1ss(struct ath11k_base *ab) PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG2_REG, PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG2_VAL, PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG_MSK); - if (!ret) { + if (ret) { ath11k_warn(ab, "failed to set dtct config2: %d\n", ret); return ret; } @@ -301,7 +301,7 @@ static int ath11k_pci_fix_l1ss(struct ath11k_base *ab) PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG4_REG, PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG4_VAL, PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG_MSK); - if (!ret) { + if (ret) { ath11k_warn(ab, "failed to set dtct config4: %d\n", ret); return ret; } @@ -886,6 +886,32 @@ static void ath11k_pci_free_region(struct ath11k_pci *ab_pci) pci_disable_device(pci_dev); } +static void ath11k_pci_aspm_disable(struct ath11k_pci *ab_pci) +{ + struct ath11k_base *ab = ab_pci->ab; + + pcie_capability_read_word(ab_pci->pdev, PCI_EXP_LNKCTL, + &ab_pci->link_ctl); + + ath11k_dbg(ab, ATH11K_DBG_PCI, "pci link_ctl 0x%04x L0s %d L1 %d\n", + ab_pci->link_ctl, + u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L0S), + u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L1)); + + /* disable L0s and L1 */ + pcie_capability_write_word(ab_pci->pdev, PCI_EXP_LNKCTL, + ab_pci->link_ctl & ~PCI_EXP_LNKCTL_ASPMC); + + set_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags); +} + +static void ath11k_pci_aspm_restore(struct ath11k_pci *ab_pci) +{ + if (test_and_clear_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags)) + pcie_capability_write_word(ab_pci->pdev, PCI_EXP_LNKCTL, + ab_pci->link_ctl); +} + static int ath11k_pci_power_up(struct ath11k_base *ab) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); @@ -895,6 +921,11 @@ static int ath11k_pci_power_up(struct ath11k_base *ab) clear_bit(ATH11K_PCI_FLAG_INIT_DONE, &ab_pci->flags); ath11k_pci_sw_reset(ab_pci->ab, true); + /* Disable ASPM during firmware download due to problems switching + * to AMSS state. + */ + ath11k_pci_aspm_disable(ab_pci); + ret = ath11k_mhi_start(ab_pci); if (ret) { ath11k_err(ab, "failed to start mhi: %d\n", ret); @@ -908,6 +939,9 @@ static void ath11k_pci_power_down(struct ath11k_base *ab) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + /* restore aspm in case firmware bootup fails */ + ath11k_pci_aspm_restore(ab_pci); + ath11k_pci_force_wake(ab_pci->ab); ath11k_mhi_stop(ab_pci); clear_bit(ATH11K_PCI_FLAG_INIT_DONE, &ab_pci->flags); @@ -965,6 +999,8 @@ static int ath11k_pci_start(struct ath11k_base *ab) set_bit(ATH11K_PCI_FLAG_INIT_DONE, &ab_pci->flags); + ath11k_pci_aspm_restore(ab_pci); + ath11k_pci_ce_irqs_enable(ab); ath11k_ce_rx_post_buf(ab); diff --git a/drivers/net/wireless/ath/ath11k/pci.h b/drivers/net/wireless/ath/ath11k/pci.h index 0432a702416b..fe44d0dfce19 100644 --- a/drivers/net/wireless/ath/ath11k/pci.h +++ b/drivers/net/wireless/ath/ath11k/pci.h @@ -63,6 +63,7 @@ struct ath11k_msi_config { enum ath11k_pci_flags { ATH11K_PCI_FLAG_INIT_DONE, ATH11K_PCI_FLAG_IS_MSI_64, + ATH11K_PCI_ASPM_RESTORE, }; struct ath11k_pci { @@ -80,6 +81,7 @@ struct ath11k_pci { /* enum ath11k_pci_flags */ unsigned long flags; + u16 link_ctl; }; static inline struct ath11k_pci *ath11k_pci_priv(struct ath11k_base *ab) diff --git a/drivers/net/wireless/ath/ath11k/peer.c b/drivers/net/wireless/ath/ath11k/peer.c index 1866d82678fa..b69e7ebfa930 100644 --- a/drivers/net/wireless/ath/ath11k/peer.c +++ b/drivers/net/wireless/ath/ath11k/peer.c @@ -76,6 +76,23 @@ struct ath11k_peer *ath11k_peer_find_by_id(struct ath11k_base *ab, return NULL; } +struct ath11k_peer *ath11k_peer_find_by_vdev_id(struct ath11k_base *ab, + int vdev_id) +{ + struct ath11k_peer *peer; + + spin_lock_bh(&ab->base_lock); + + list_for_each_entry(peer, &ab->peers, list) { + if (vdev_id == peer->vdev_id) { + spin_unlock_bh(&ab->base_lock); + return peer; + } + } + spin_unlock_bh(&ab->base_lock); + return NULL; +} + void ath11k_peer_unmap_event(struct ath11k_base *ab, u16 peer_id) { struct ath11k_peer *peer; diff --git a/drivers/net/wireless/ath/ath11k/peer.h b/drivers/net/wireless/ath/ath11k/peer.h index bba2e00b6944..8553ed061aea 100644 --- a/drivers/net/wireless/ath/ath11k/peer.h +++ b/drivers/net/wireless/ath/ath11k/peer.h @@ -43,5 +43,7 @@ int ath11k_peer_create(struct ath11k *ar, struct ath11k_vif *arvif, struct ieee80211_sta *sta, struct peer_create_params *param); int ath11k_wait_for_peer_delete_done(struct ath11k *ar, u32 vdev_id, const u8 *addr); +struct ath11k_peer *ath11k_peer_find_by_vdev_id(struct ath11k_base *ab, + int vdev_id); #endif /* _PEER_H_ */ diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c index f0b5c50974f3..0db623ff4bb9 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -1660,6 +1660,7 @@ static int ath11k_qmi_respond_fw_mem_request(struct ath11k_base *ab) struct qmi_wlanfw_respond_mem_resp_msg_v01 resp; struct qmi_txn txn = {}; int ret = 0, i; + bool delayed; req = kzalloc(sizeof(*req), GFP_KERNEL); if (!req) @@ -1672,11 +1673,13 @@ static int ath11k_qmi_respond_fw_mem_request(struct ath11k_base *ab) * failure to FW and FW will then request mulitple blocks of small * chunk size memory. */ - if (!ab->bus_params.fixed_mem_region && ab->qmi.mem_seg_count <= 2) { + if (!ab->bus_params.fixed_mem_region && ab->qmi.target_mem_delayed) { + delayed = true; ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi delays mem_request %d\n", ab->qmi.mem_seg_count); memset(req, 0, sizeof(*req)); } else { + delayed = false; req->mem_seg_len = ab->qmi.mem_seg_count; for (i = 0; i < req->mem_seg_len ; i++) { @@ -1708,6 +1711,12 @@ static int ath11k_qmi_respond_fw_mem_request(struct ath11k_base *ab) } if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + /* the error response is expected when + * target_mem_delayed is true. + */ + if (delayed && resp.resp.error == 0) + goto out; + ath11k_warn(ab, "Respond mem req failed, result: %d, err: %d\n", resp.resp.result, resp.resp.error); ret = -EINVAL; @@ -1742,6 +1751,8 @@ static int ath11k_qmi_alloc_target_mem_chunk(struct ath11k_base *ab) int i; struct target_mem_chunk *chunk; + ab->qmi.target_mem_delayed = false; + for (i = 0; i < ab->qmi.mem_seg_count; i++) { chunk = &ab->qmi.target_mem[i]; chunk->vaddr = dma_alloc_coherent(ab->dev, @@ -1749,6 +1760,15 @@ static int ath11k_qmi_alloc_target_mem_chunk(struct ath11k_base *ab) &chunk->paddr, GFP_KERNEL); if (!chunk->vaddr) { + if (ab->qmi.mem_seg_count <= 2) { + ath11k_dbg(ab, ATH11K_DBG_QMI, + "qmi dma allocation failed (%d B type %u), will try later with small size\n", + chunk->size, + chunk->type); + ath11k_qmi_free_target_mem_chunk(ab); + ab->qmi.target_mem_delayed = true; + return 0; + } ath11k_err(ab, "failed to alloc memory, size: 0x%x, type: %u\n", chunk->size, chunk->type); @@ -2517,7 +2537,7 @@ static void ath11k_qmi_msg_mem_request_cb(struct qmi_handle *qmi_hdl, ret); return; } - } else if (msg->mem_seg_len > 2) { + } else { ret = ath11k_qmi_alloc_target_mem_chunk(ab); if (ret) { ath11k_warn(ab, "qmi failed to alloc target memory: %d\n", diff --git a/drivers/net/wireless/ath/ath11k/qmi.h b/drivers/net/wireless/ath/ath11k/qmi.h index 92925c9eac67..7bad374cc23a 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.h +++ b/drivers/net/wireless/ath/ath11k/qmi.h @@ -125,6 +125,7 @@ struct ath11k_qmi { struct target_mem_chunk target_mem[ATH11K_QMI_WLANFW_MAX_NUM_MEM_SEG_V01]; u32 mem_seg_count; u32 target_mem_mode; + bool target_mem_delayed; u8 cal_done; struct target_info target; struct m3_mem_region m3_mem; diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index da4b546b62cb..73869d445c5b 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -3460,6 +3460,9 @@ int ath11k_wmi_set_hw_mode(struct ath11k_base *ab, len = sizeof(*cmd); skb = ath11k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + cmd = (struct wmi_pdev_set_hw_mode_cmd_param *)skb->data; cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_PDEV_SET_HW_MODE_CMD) | diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index ed4635bd151a..102a8f14c22d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -40,9 +40,9 @@ static const struct ieee80211_iface_limit if_limits[] = { .types = BIT(NL80211_IFTYPE_ADHOC) }, { .max = 16, - .types = BIT(NL80211_IFTYPE_AP) | + .types = BIT(NL80211_IFTYPE_AP) #ifdef CONFIG_MAC80211_MESH - BIT(NL80211_IFTYPE_MESH_POINT) + | BIT(NL80211_IFTYPE_MESH_POINT) #endif }, { .max = MT7915_MAX_INTERFACES, diff --git a/drivers/net/wireless/mediatek/mt76/sdio.c b/drivers/net/wireless/mediatek/mt76/sdio.c index 62b5b912818f..0b6facb17ff7 100644 --- a/drivers/net/wireless/mediatek/mt76/sdio.c +++ b/drivers/net/wireless/mediatek/mt76/sdio.c @@ -157,10 +157,14 @@ static void mt76s_net_worker(struct mt76_worker *w) static int mt76s_process_tx_queue(struct mt76_dev *dev, struct mt76_queue *q) { - bool wake, mcu = q == dev->q_mcu[MT_MCUQ_WM]; struct mt76_queue_entry entry; int nframes = 0; + bool mcu; + if (!q) + return 0; + + mcu = q == dev->q_mcu[MT_MCUQ_WM]; while (q->queued > 0) { if (!q->entry[q->tail].done) break; @@ -177,21 +181,12 @@ static int mt76s_process_tx_queue(struct mt76_dev *dev, struct mt76_queue *q) nframes++; } - wake = q->stopped && q->queued < q->ndesc - 8; - if (wake) - q->stopped = false; - if (!q->queued) wake_up(&dev->tx_wait); - if (mcu) - goto out; - - mt76_txq_schedule(&dev->phy, q->qid); + if (!mcu) + mt76_txq_schedule(&dev->phy, q->qid); - if (wake) - ieee80211_wake_queue(dev->hw, q->qid); -out: return nframes; } diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index dc850109de22..b95d093728b9 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -811,11 +811,12 @@ static void mt76u_status_worker(struct mt76_worker *w) struct mt76_dev *dev = container_of(usb, struct mt76_dev, usb); struct mt76_queue_entry entry; struct mt76_queue *q; - bool wake; int i; for (i = 0; i < IEEE80211_NUM_ACS; i++) { q = dev->phy.q_tx[i]; + if (!q) + continue; while (q->queued > 0) { if (!q->entry[q->tail].done) @@ -827,10 +828,6 @@ static void mt76u_status_worker(struct mt76_worker *w) mt76_queue_tx_complete(dev, q, &entry); } - wake = q->stopped && q->queued < q->ndesc - 8; - if (wake) - q->stopped = false; - if (!q->queued) wake_up(&dev->tx_wait); @@ -839,8 +836,6 @@ static void mt76u_status_worker(struct mt76_worker *w) if (dev->drv->tx_status_data && !test_and_set_bit(MT76_READING_STATS, &dev->phy.state)) queue_work(dev->wq, &dev->usb.stat_work); - if (wake) - ieee80211_wake_queue(dev->hw, i); } } diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index a7259dbc953d..965bd9589045 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -78,7 +78,6 @@ static void rtl_fw_do_work(const struct firmware *firmware, void *context, rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, "Firmware callback routine entered!\n"); - complete(&rtlpriv->firmware_loading_complete); if (!firmware) { if (rtlpriv->cfg->alt_fw_name) { err = request_firmware(&firmware, @@ -91,13 +90,13 @@ static void rtl_fw_do_work(const struct firmware *firmware, void *context, } pr_err("Selected firmware is not available\n"); rtlpriv->max_fw_size = 0; - return; + goto exit; } found_alt: if (firmware->size > rtlpriv->max_fw_size) { pr_err("Firmware is too big!\n"); release_firmware(firmware); - return; + goto exit; } if (!is_wow) { memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, @@ -109,6 +108,9 @@ found_alt: rtlpriv->rtlhal.wowlan_fwsize = firmware->size; } release_firmware(firmware); + +exit: + complete(&rtlpriv->firmware_loading_complete); } void rtl_fw_cb(const struct firmware *firmware, void *context) diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 531a00d703cd..c8784dfafdd7 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -863,6 +863,7 @@ static void handle_tx_zerocopy(struct vhost_net *net, struct socket *sock) size_t len, total_len = 0; int err; struct vhost_net_ubuf_ref *ubufs; + struct ubuf_info *ubuf; bool zcopy_used; int sent_pkts = 0; @@ -895,9 +896,7 @@ static void handle_tx_zerocopy(struct vhost_net *net, struct socket *sock) /* use msg_control to pass vhost zerocopy ubuf info to skb */ if (zcopy_used) { - struct ubuf_info *ubuf; ubuf = nvq->ubuf_info + nvq->upend_idx; - vq->heads[nvq->upend_idx].id = cpu_to_vhost32(vq, head); vq->heads[nvq->upend_idx].len = VHOST_DMA_IN_PROGRESS; ubuf->callback = vhost_zerocopy_callback; @@ -927,7 +926,8 @@ static void handle_tx_zerocopy(struct vhost_net *net, struct socket *sock) err = sock->ops->sendmsg(sock, &msg, len); if (unlikely(err < 0)) { if (zcopy_used) { - vhost_net_ubuf_put(ubufs); + if (vq->heads[ubuf->desc].len == VHOST_DMA_IN_PROGRESS) + vhost_net_ubuf_put(ubufs); nvq->upend_idx = ((unsigned)nvq->upend_idx - 1) % UIO_MAXIOV; } diff --git a/include/net/red.h b/include/net/red.h index fc455445f4b2..932f0d79d60c 100644 --- a/include/net/red.h +++ b/include/net/red.h @@ -168,12 +168,14 @@ static inline void red_set_vars(struct red_vars *v) v->qcount = -1; } -static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog) +static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog, u8 Scell_log) { if (fls(qth_min) + Wlog > 32) return false; if (fls(qth_max) + Wlog > 32) return false; + if (Scell_log >= 32) + return false; if (qth_max < qth_min) return false; return true; diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index 4f4e93bf814c..cc17bc957548 100644 --- a/include/net/xdp_sock.h +++ b/include/net/xdp_sock.h @@ -58,10 +58,6 @@ struct xdp_sock { struct xsk_queue *tx ____cacheline_aligned_in_smp; struct list_head tx_list; - /* Mutual exclusion of NAPI TX thread and sendmsg error paths - * in the SKB destructor callback. - */ - spinlock_t tx_completion_lock; /* Protects generic receive. */ spinlock_t rx_lock; diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h index 01755b838c74..eaa8386dbc63 100644 --- a/include/net/xsk_buff_pool.h +++ b/include/net/xsk_buff_pool.h @@ -73,6 +73,11 @@ struct xsk_buff_pool { bool dma_need_sync; bool unaligned; void *addrs; + /* Mutual exclusion of the completion ring in the SKB mode. Two cases to protect: + * NAPI TX thread and sendmsg error paths in the SKB destructor callback and when + * sockets share a single cq when the same netdev and queue id is shared. + */ + spinlock_t cq_lock; struct xdp_buff_xsk *free_heads[]; }; diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 28b6ee53305f..b1633e7ba529 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -293,6 +293,7 @@ enum nft_rule_compat_attributes { * @NFT_SET_EVAL: set can be updated from the evaluation path * @NFT_SET_OBJECT: set contains stateful objects * @NFT_SET_CONCAT: set contains a concatenation + * @NFT_SET_EXPR: set contains expressions */ enum nft_set_flags { NFT_SET_ANONYMOUS = 0x1, @@ -303,6 +304,7 @@ enum nft_set_flags { NFT_SET_EVAL = 0x20, NFT_SET_OBJECT = 0x40, NFT_SET_CONCAT = 0x80, + NFT_SET_EXPR = 0x100, }; /** @@ -706,6 +708,7 @@ enum nft_dynset_ops { enum nft_dynset_flags { NFT_DYNSET_F_INV = (1 << 0), + NFT_DYNSET_F_EXPR = (1 << 1), }; /** diff --git a/include/uapi/linux/ppp-ioctl.h b/include/uapi/linux/ppp-ioctl.h index 8dbecb3ad036..1cc5ce0ae062 100644 --- a/include/uapi/linux/ppp-ioctl.h +++ b/include/uapi/linux/ppp-ioctl.h @@ -116,7 +116,7 @@ struct pppol2tp_ioc_stats { #define PPPIOCGCHAN _IOR('t', 55, int) /* get ppp channel number */ #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats) #define PPPIOCBRIDGECHAN _IOW('t', 53, int) /* bridge one channel to another */ -#define PPPIOCUNBRIDGECHAN _IO('t', 54) /* unbridge channel */ +#define PPPIOCUNBRIDGECHAN _IO('t', 52) /* unbridge channel */ #define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) #define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 7e848200cd26..c1ac7f964bc9 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -152,6 +152,7 @@ static void htab_init_buckets(struct bpf_htab *htab) lockdep_set_class(&htab->buckets[i].lock, &htab->lockdep_key); } + cond_resched(); } } diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 4caf06fe4152..c3bb03c8371f 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -17,7 +17,6 @@ #include <linux/fs.h> #include <linux/license.h> #include <linux/filter.h> -#include <linux/version.h> #include <linux/kernel.h> #include <linux/idr.h> #include <linux/cred.h> diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c index e73c07593024..3efe38191d1c 100644 --- a/kernel/bpf/task_iter.c +++ b/kernel/bpf/task_iter.c @@ -37,7 +37,7 @@ retry: if (!task) { ++*tid; goto retry; - } else if (skip_if_dup_files && task->tgid != task->pid && + } else if (skip_if_dup_files && !thread_group_leader(task) && task->files == task->group_leader->files) { put_task_struct(task); task = NULL; @@ -151,14 +151,14 @@ again: curr_task = info->task; curr_fd = info->fd; } else { - curr_task = task_seq_get_next(ns, &curr_tid, true); - if (!curr_task) { - info->task = NULL; - return NULL; - } - - /* set info->task and info->tid */ - info->task = curr_task; + curr_task = task_seq_get_next(ns, &curr_tid, true); + if (!curr_task) { + info->task = NULL; + info->tid = curr_tid; + return NULL; + } + + /* set info->task and info->tid */ if (curr_tid == info->tid) { curr_fd = info->fd; } else { diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 9500d28a43b0..277ed854aef1 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1569,10 +1569,8 @@ static void neigh_proxy_process(struct timer_list *t) void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p, struct sk_buff *skb) { - unsigned long now = jiffies; - - unsigned long sched_next = now + (prandom_u32() % - NEIGH_VAR(p, PROXY_DELAY)); + unsigned long sched_next = jiffies + + prandom_u32_max(NEIGH_VAR(p, PROXY_DELAY)); if (tbl->proxy_queue.qlen > NEIGH_VAR(p, PROXY_QLEN)) { kfree_skb(skb); diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 999b70c59761..daf502c13d6d 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1317,8 +1317,8 @@ static const struct attribute_group dql_group = { static ssize_t xps_cpus_show(struct netdev_queue *queue, char *buf) { + int cpu, len, ret, num_tc = 1, tc = 0; struct net_device *dev = queue->dev; - int cpu, len, num_tc = 1, tc = 0; struct xps_dev_maps *dev_maps; cpumask_var_t mask; unsigned long index; @@ -1328,22 +1328,31 @@ static ssize_t xps_cpus_show(struct netdev_queue *queue, index = get_netdev_queue_index(queue); + if (!rtnl_trylock()) + return restart_syscall(); + if (dev->num_tc) { /* Do not allow XPS on subordinate device directly */ num_tc = dev->num_tc; - if (num_tc < 0) - return -EINVAL; + if (num_tc < 0) { + ret = -EINVAL; + goto err_rtnl_unlock; + } /* If queue belongs to subordinate dev use its map */ dev = netdev_get_tx_queue(dev, index)->sb_dev ? : dev; tc = netdev_txq_to_tc(dev, index); - if (tc < 0) - return -EINVAL; + if (tc < 0) { + ret = -EINVAL; + goto err_rtnl_unlock; + } } - if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) - return -ENOMEM; + if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) { + ret = -ENOMEM; + goto err_rtnl_unlock; + } rcu_read_lock(); dev_maps = rcu_dereference(dev->xps_cpus_map); @@ -1366,9 +1375,15 @@ static ssize_t xps_cpus_show(struct netdev_queue *queue, } rcu_read_unlock(); + rtnl_unlock(); + len = snprintf(buf, PAGE_SIZE, "%*pb\n", cpumask_pr_args(mask)); free_cpumask_var(mask); return len < PAGE_SIZE ? len : -EINVAL; + +err_rtnl_unlock: + rtnl_unlock(); + return ret; } static ssize_t xps_cpus_store(struct netdev_queue *queue, @@ -1396,7 +1411,13 @@ static ssize_t xps_cpus_store(struct netdev_queue *queue, return err; } + if (!rtnl_trylock()) { + free_cpumask_var(mask); + return restart_syscall(); + } + err = netif_set_xps_queue(dev, mask, index); + rtnl_unlock(); free_cpumask_var(mask); @@ -1408,22 +1429,29 @@ static struct netdev_queue_attribute xps_cpus_attribute __ro_after_init static ssize_t xps_rxqs_show(struct netdev_queue *queue, char *buf) { + int j, len, ret, num_tc = 1, tc = 0; struct net_device *dev = queue->dev; struct xps_dev_maps *dev_maps; unsigned long *mask, index; - int j, len, num_tc = 1, tc = 0; index = get_netdev_queue_index(queue); + if (!rtnl_trylock()) + return restart_syscall(); + if (dev->num_tc) { num_tc = dev->num_tc; tc = netdev_txq_to_tc(dev, index); - if (tc < 0) - return -EINVAL; + if (tc < 0) { + ret = -EINVAL; + goto err_rtnl_unlock; + } } mask = bitmap_zalloc(dev->num_rx_queues, GFP_KERNEL); - if (!mask) - return -ENOMEM; + if (!mask) { + ret = -ENOMEM; + goto err_rtnl_unlock; + } rcu_read_lock(); dev_maps = rcu_dereference(dev->xps_rxqs_map); @@ -1449,10 +1477,16 @@ static ssize_t xps_rxqs_show(struct netdev_queue *queue, char *buf) out_no_maps: rcu_read_unlock(); + rtnl_unlock(); + len = bitmap_print_to_pagebuf(false, buf, mask, dev->num_rx_queues); bitmap_free(mask); return len < PAGE_SIZE ? len : -EINVAL; + +err_rtnl_unlock: + rtnl_unlock(); + return ret; } static ssize_t xps_rxqs_store(struct netdev_queue *queue, const char *buf, @@ -1478,10 +1512,17 @@ static ssize_t xps_rxqs_store(struct netdev_queue *queue, const char *buf, return err; } + if (!rtnl_trylock()) { + bitmap_free(mask); + return restart_syscall(); + } + cpus_read_lock(); err = __netif_set_xps_queue(dev, mask, index, true); cpus_read_unlock(); + rtnl_unlock(); + bitmap_free(mask); return err ? : len; } diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 084e159a12ba..7d49b6fd6cef 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1765,6 +1765,8 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, fn = &reply_funcs[dcb->cmd]; if (!fn->cb) return -EOPNOTSUPP; + if (fn->type != nlh->nlmsg_type) + return -EPERM; if (!tb[DCB_ATTR_IFNAME]) return -EINVAL; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index cdf6ec5aa45d..84bb707bd88d 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -292,7 +292,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb) .flowi4_iif = LOOPBACK_IFINDEX, .flowi4_oif = l3mdev_master_ifindex_rcu(dev), .daddr = ip_hdr(skb)->saddr, - .flowi4_tos = RT_TOS(ip_hdr(skb)->tos), + .flowi4_tos = ip_hdr(skb)->tos & IPTOS_RT_MASK, .flowi4_scope = scope, .flowi4_mark = vmark ? skb->mark : 0, }; diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c index 66fdbfe5447c..5d1e6fe9d838 100644 --- a/net/ipv4/gre_demux.c +++ b/net/ipv4/gre_demux.c @@ -128,7 +128,7 @@ int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi, * to 0 and sets the configured key in the * inner erspan header field */ - if (greh->protocol == htons(ETH_P_ERSPAN) || + if ((greh->protocol == htons(ETH_P_ERSPAN) && hdr_len != 4) || greh->protocol == htons(ETH_P_ERSPAN2)) { struct erspan_base_hdr *ershdr; diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 563b62b76a5f..c576a63d09db 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -1379,7 +1379,7 @@ static int compat_get_entries(struct net *net, xt_compat_lock(NFPROTO_ARP); t = xt_find_table_lock(net, NFPROTO_ARP, get.name); if (!IS_ERR(t)) { - const struct xt_table_info *private = t->private; + const struct xt_table_info *private = xt_table_get_private_protected(t); struct xt_table_info info; ret = compat_table_info(private, &info); diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index 6e2851f8d3a3..e8f6f9d86237 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -1589,7 +1589,7 @@ compat_get_entries(struct net *net, struct compat_ipt_get_entries __user *uptr, xt_compat_lock(AF_INET); t = xt_find_table_lock(net, AF_INET, get.name); if (!IS_ERR(t)) { - const struct xt_table_info *private = t->private; + const struct xt_table_info *private = xt_table_get_private_protected(t); struct xt_table_info info; ret = compat_table_info(private, &info); if (!ret && get.size == info.size) diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index c4f532f4d311..0d453fa9e327 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -1598,7 +1598,7 @@ compat_get_entries(struct net *net, struct compat_ip6t_get_entries __user *uptr, xt_compat_lock(AF_INET6); t = xt_find_table_lock(net, AF_INET6, get.name); if (!IS_ERR(t)) { - const struct xt_table_info *private = t->private; + const struct xt_table_info *private = xt_table_get_private_protected(t); struct xt_table_info info; ret = compat_table_info(private, &info); if (!ret && get.size == info.size) diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c index 213ea7abc9ab..40961889e9c0 100644 --- a/net/lapb/lapb_iface.c +++ b/net/lapb/lapb_iface.c @@ -489,6 +489,7 @@ static int lapb_device_event(struct notifier_block *this, unsigned long event, break; } + lapb_put(lapb); return NOTIFY_DONE; } diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 09b19aa2f205..6628d8d74203 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -877,6 +877,9 @@ static void __mptcp_wmem_reserve(struct sock *sk, int size) struct mptcp_sock *msk = mptcp_sk(sk); WARN_ON_ONCE(msk->wmem_reserved); + if (WARN_ON_ONCE(amount < 0)) + amount = 0; + if (amount <= sk->sk_forward_alloc) goto reserve; @@ -1587,7 +1590,7 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL)) return -EOPNOTSUPP; - mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, len)); + mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, min_t(size_t, 1 << 20, len))); timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c index 5b1f4ec66dd9..888ccc2d4e34 100644 --- a/net/ncsi/ncsi-rsp.c +++ b/net/ncsi/ncsi-rsp.c @@ -1120,7 +1120,7 @@ int ncsi_rcv_rsp(struct sk_buff *skb, struct net_device *dev, int payload, i, ret; /* Find the NCSI device */ - nd = ncsi_find_dev(dev); + nd = ncsi_find_dev(orig_dev); ndp = nd ? TO_NCSI_DEV_PRIV(nd) : NULL; if (!ndp) return -ENODEV; diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h index 5f1208ad049e..6186358eac7c 100644 --- a/net/netfilter/ipset/ip_set_hash_gen.h +++ b/net/netfilter/ipset/ip_set_hash_gen.h @@ -141,20 +141,6 @@ htable_size(u8 hbits) return hsize * sizeof(struct hbucket *) + sizeof(struct htable); } -/* Compute htable_bits from the user input parameter hashsize */ -static u8 -htable_bits(u32 hashsize) -{ - /* Assume that hashsize == 2^htable_bits */ - u8 bits = fls(hashsize - 1); - - if (jhash_size(bits) != hashsize) - /* Round up to the first 2^n value */ - bits = fls(hashsize); - - return bits; -} - #ifdef IP_SET_HASH_WITH_NETS #if IPSET_NET_COUNT > 1 #define __CIDR(cidr, i) (cidr[i]) @@ -640,7 +626,7 @@ mtype_resize(struct ip_set *set, bool retried) struct htype *h = set->data; struct htable *t, *orig; u8 htable_bits; - size_t dsize = set->dsize; + size_t hsize, dsize = set->dsize; #ifdef IP_SET_HASH_WITH_NETS u8 flags; struct mtype_elem *tmp; @@ -664,14 +650,12 @@ mtype_resize(struct ip_set *set, bool retried) retry: ret = 0; htable_bits++; - if (!htable_bits) { - /* In case we have plenty of memory :-) */ - pr_warn("Cannot increase the hashsize of set %s further\n", - set->name); - ret = -IPSET_ERR_HASH_FULL; - goto out; - } - t = ip_set_alloc(htable_size(htable_bits)); + if (!htable_bits) + goto hbwarn; + hsize = htable_size(htable_bits); + if (!hsize) + goto hbwarn; + t = ip_set_alloc(hsize); if (!t) { ret = -ENOMEM; goto out; @@ -813,6 +797,12 @@ cleanup: if (ret == -EAGAIN) goto retry; goto out; + +hbwarn: + /* In case we have plenty of memory :-) */ + pr_warn("Cannot increase the hashsize of set %s further\n", set->name); + ret = -IPSET_ERR_HASH_FULL; + goto out; } /* Get the current number of elements and ext_size in the set */ @@ -1521,7 +1511,11 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, if (!h) return -ENOMEM; - hbits = htable_bits(hashsize); + /* Compute htable_bits from the user input parameter hashsize. + * Assume that hashsize == 2^htable_bits, + * otherwise round up to the first 2^n value. + */ + hbits = fls(hashsize - 1); hsize = htable_size(hbits); if (hsize == 0) { kfree(h); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 8d5aa0ac45f4..15c467f1a9dd 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4162,7 +4162,7 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk, if (flags & ~(NFT_SET_ANONYMOUS | NFT_SET_CONSTANT | NFT_SET_INTERVAL | NFT_SET_TIMEOUT | NFT_SET_MAP | NFT_SET_EVAL | - NFT_SET_OBJECT | NFT_SET_CONCAT)) + NFT_SET_OBJECT | NFT_SET_CONCAT | NFT_SET_EXPR)) return -EOPNOTSUPP; /* Only one of these operations is supported */ if ((flags & (NFT_SET_MAP | NFT_SET_OBJECT)) == @@ -4304,6 +4304,10 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk, struct nlattr *tmp; int left; + if (!(flags & NFT_SET_EXPR)) { + err = -EINVAL; + goto err_set_alloc_name; + } i = 0; nla_for_each_nested(tmp, nla[NFTA_SET_EXPRESSIONS], left) { if (i == NFT_SET_EXPR_MAX) { @@ -5254,8 +5258,8 @@ static int nft_set_elem_expr_clone(const struct nft_ctx *ctx, return 0; err_expr: - for (k = i - 1; k >= 0; k++) - nft_expr_destroy(ctx, expr_array[i]); + for (k = i - 1; k >= 0; k--) + nft_expr_destroy(ctx, expr_array[k]); return -ENOMEM; } diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c index 983a1d5ca3ab..0b053f75cd60 100644 --- a/net/netfilter/nft_dynset.c +++ b/net/netfilter/nft_dynset.c @@ -19,6 +19,7 @@ struct nft_dynset { enum nft_registers sreg_key:8; enum nft_registers sreg_data:8; bool invert; + bool expr; u8 num_exprs; u64 timeout; struct nft_expr *expr_array[NFT_SET_EXPR_MAX]; @@ -175,11 +176,12 @@ static int nft_dynset_init(const struct nft_ctx *ctx, if (tb[NFTA_DYNSET_FLAGS]) { u32 flags = ntohl(nla_get_be32(tb[NFTA_DYNSET_FLAGS])); - - if (flags & ~NFT_DYNSET_F_INV) - return -EINVAL; + if (flags & ~(NFT_DYNSET_F_INV | NFT_DYNSET_F_EXPR)) + return -EOPNOTSUPP; if (flags & NFT_DYNSET_F_INV) priv->invert = true; + if (flags & NFT_DYNSET_F_EXPR) + priv->expr = true; } set = nft_set_lookup_global(ctx->net, ctx->table, @@ -210,7 +212,7 @@ static int nft_dynset_init(const struct nft_ctx *ctx, timeout = 0; if (tb[NFTA_DYNSET_TIMEOUT] != NULL) { if (!(set->flags & NFT_SET_TIMEOUT)) - return -EINVAL; + return -EOPNOTSUPP; err = nf_msecs_to_jiffies64(tb[NFTA_DYNSET_TIMEOUT], &timeout); if (err) @@ -224,7 +226,7 @@ static int nft_dynset_init(const struct nft_ctx *ctx, if (tb[NFTA_DYNSET_SREG_DATA] != NULL) { if (!(set->flags & NFT_SET_MAP)) - return -EINVAL; + return -EOPNOTSUPP; if (set->dtype == NFT_DATA_VERDICT) return -EOPNOTSUPP; @@ -261,6 +263,9 @@ static int nft_dynset_init(const struct nft_ctx *ctx, struct nlattr *tmp; int left; + if (!priv->expr) + return -EINVAL; + i = 0; nla_for_each_nested(tmp, tb[NFTA_DYNSET_EXPRESSIONS], left) { if (i == NFT_SET_EXPR_MAX) { diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c index 37253d399c6b..0d5c422f8745 100644 --- a/net/netfilter/xt_RATEEST.c +++ b/net/netfilter/xt_RATEEST.c @@ -115,6 +115,9 @@ static int xt_rateest_tg_checkentry(const struct xt_tgchk_param *par) } cfg; int ret; + if (strnlen(info->name, sizeof(est->name)) >= sizeof(est->name)) + return -ENAMETOOLONG; + net_get_random_once(&jhash_rnd, sizeof(jhash_rnd)); mutex_lock(&xn->hash_lock); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index de8e8dbbdeb8..6bbc7a448593 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4595,7 +4595,9 @@ static void packet_seq_stop(struct seq_file *seq, void *v) static int packet_seq_show(struct seq_file *seq, void *v) { if (v == SEQ_START_TOKEN) - seq_puts(seq, "sk RefCnt Type Proto Iface R Rmem User Inode\n"); + seq_printf(seq, + "%*sRefCnt Type Proto Iface R Rmem User Inode\n", + IS_ENABLED(CONFIG_64BIT) ? -17 : -9, "sk"); else { struct sock *s = sk_entry(v); const struct packet_sock *po = pkt_sk(s); diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index bd618b00d319..50f680f03a54 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -362,7 +362,7 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt, ctl = nla_data(tb[TCA_CHOKE_PARMS]); - if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog)) + if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log)) return -EINVAL; if (ctl->limit > CHOKE_MAX_QUEUE) diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c index 8599c6f31b05..e0bc77533acc 100644 --- a/net/sched/sch_gred.c +++ b/net/sched/sch_gred.c @@ -480,7 +480,7 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp, struct gred_sched *table = qdisc_priv(sch); struct gred_sched_data *q = table->tab[dp]; - if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog)) { + if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log)) { NL_SET_ERR_MSG_MOD(extack, "invalid RED parameters"); return -EINVAL; } diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index e89fab6ccb34..b4ae34d7aa96 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -250,7 +250,7 @@ static int __red_change(struct Qdisc *sch, struct nlattr **tb, max_P = tb[TCA_RED_MAX_P] ? nla_get_u32(tb[TCA_RED_MAX_P]) : 0; ctl = nla_data(tb[TCA_RED_PARMS]); - if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog)) + if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log)) return -EINVAL; err = red_get_flags(ctl->flags, TC_RED_HISTORIC_FLAGS, diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index bca2be57d9fc..b25e51440623 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -647,7 +647,7 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) } if (ctl_v1 && !red_check_params(ctl_v1->qth_min, ctl_v1->qth_max, - ctl_v1->Wlog)) + ctl_v1->Wlog, ctl_v1->Scell_log)) return -EINVAL; if (ctl_v1 && ctl_v1->qth_min) { p = kmalloc(sizeof(*p), GFP_KERNEL); diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index c74817ec9964..6f775275826a 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1605,8 +1605,9 @@ static void taprio_reset(struct Qdisc *sch) hrtimer_cancel(&q->advance_timer); if (q->qdiscs) { - for (i = 0; i < dev->num_tx_queues && q->qdiscs[i]; i++) - qdisc_reset(q->qdiscs[i]); + for (i = 0; i < dev->num_tx_queues; i++) + if (q->qdiscs[i]) + qdisc_reset(q->qdiscs[i]); } sch->qstats.backlog = 0; sch->q.qlen = 0; @@ -1626,7 +1627,7 @@ static void taprio_destroy(struct Qdisc *sch) taprio_disable_offload(dev, q, NULL); if (q->qdiscs) { - for (i = 0; i < dev->num_tx_queues && q->qdiscs[i]; i++) + for (i = 0; i < dev->num_tx_queues; i++) qdisc_put(q->qdiscs[i]); kfree(q->qdiscs); diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index ac4a317038f1..8037b04a9edd 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -423,9 +423,9 @@ static void xsk_destruct_skb(struct sk_buff *skb) struct xdp_sock *xs = xdp_sk(skb->sk); unsigned long flags; - spin_lock_irqsave(&xs->tx_completion_lock, flags); + spin_lock_irqsave(&xs->pool->cq_lock, flags); xskq_prod_submit_addr(xs->pool->cq, addr); - spin_unlock_irqrestore(&xs->tx_completion_lock, flags); + spin_unlock_irqrestore(&xs->pool->cq_lock, flags); sock_wfree(skb); } @@ -437,6 +437,7 @@ static int xsk_generic_xmit(struct sock *sk) bool sent_frame = false; struct xdp_desc desc; struct sk_buff *skb; + unsigned long flags; int err = 0; mutex_lock(&xs->mutex); @@ -468,10 +469,13 @@ static int xsk_generic_xmit(struct sock *sk) * if there is space in it. This avoids having to implement * any buffering in the Tx path. */ + spin_lock_irqsave(&xs->pool->cq_lock, flags); if (unlikely(err) || xskq_prod_reserve(xs->pool->cq)) { + spin_unlock_irqrestore(&xs->pool->cq_lock, flags); kfree_skb(skb); goto out; } + spin_unlock_irqrestore(&xs->pool->cq_lock, flags); skb->dev = xs->dev; skb->priority = sk->sk_priority; @@ -483,6 +487,9 @@ static int xsk_generic_xmit(struct sock *sk) if (err == NETDEV_TX_BUSY) { /* Tell user-space to retry the send */ skb->destructor = sock_wfree; + spin_lock_irqsave(&xs->pool->cq_lock, flags); + xskq_prod_cancel(xs->pool->cq); + spin_unlock_irqrestore(&xs->pool->cq_lock, flags); /* Free skb without triggering the perf drop trace */ consume_skb(skb); err = -EAGAIN; @@ -878,6 +885,10 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len) } } + /* FQ and CQ are now owned by the buffer pool and cleaned up with it. */ + xs->fq_tmp = NULL; + xs->cq_tmp = NULL; + xs->dev = dev; xs->zc = xs->umem->zc; xs->queue_id = qid; @@ -1299,7 +1310,6 @@ static int xsk_create(struct net *net, struct socket *sock, int protocol, xs->state = XSK_READY; mutex_init(&xs->mutex); spin_lock_init(&xs->rx_lock); - spin_lock_init(&xs->tx_completion_lock); INIT_LIST_HEAD(&xs->map_list); spin_lock_init(&xs->map_list_lock); diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c index 67a4494d63b6..20598eea658c 100644 --- a/net/xdp/xsk_buff_pool.c +++ b/net/xdp/xsk_buff_pool.c @@ -71,12 +71,11 @@ struct xsk_buff_pool *xp_create_and_assign_umem(struct xdp_sock *xs, INIT_LIST_HEAD(&pool->free_list); INIT_LIST_HEAD(&pool->xsk_tx_list); spin_lock_init(&pool->xsk_tx_list_lock); + spin_lock_init(&pool->cq_lock); refcount_set(&pool->users, 1); pool->fq = xs->fq_tmp; pool->cq = xs->cq_tmp; - xs->fq_tmp = NULL; - xs->cq_tmp = NULL; for (i = 0; i < pool->free_heads_cnt; i++) { xskb = &pool->heads[i]; diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h index 4a9663aa7afe..2823b7c3302d 100644 --- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h @@ -334,6 +334,11 @@ static inline bool xskq_prod_is_full(struct xsk_queue *q) return xskq_prod_nb_free(q, 1) ? false : true; } +static inline void xskq_prod_cancel(struct xsk_queue *q) +{ + q->cached_prod--; +} + static inline int xskq_prod_reserve(struct xsk_queue *q) { if (xskq_prod_is_full(q)) diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 8c33e999319a..c51df6b91bef 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -121,6 +121,9 @@ VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ /sys/kernel/btf/vmlinux \ /boot/vmlinux-$(shell uname -r) VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) +ifeq ($(VMLINUX_BTF),) +$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") +endif # Define simple and short `make test_progs`, `make test_sysctl`, etc targets # to build individual tests. diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index 0ad3e6305ff0..51adc42b2b40 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -1312,22 +1312,58 @@ static void test_map_stress(void) #define DO_UPDATE 1 #define DO_DELETE 0 +#define MAP_RETRIES 20 + +static int map_update_retriable(int map_fd, const void *key, const void *value, + int flags, int attempts) +{ + while (bpf_map_update_elem(map_fd, key, value, flags)) { + if (!attempts || (errno != EAGAIN && errno != EBUSY)) + return -errno; + + usleep(1); + attempts--; + } + + return 0; +} + +static int map_delete_retriable(int map_fd, const void *key, int attempts) +{ + while (bpf_map_delete_elem(map_fd, key)) { + if (!attempts || (errno != EAGAIN && errno != EBUSY)) + return -errno; + + usleep(1); + attempts--; + } + + return 0; +} + static void test_update_delete(unsigned int fn, void *data) { int do_update = ((int *)data)[1]; int fd = ((int *)data)[0]; - int i, key, value; + int i, key, value, err; for (i = fn; i < MAP_SIZE; i += TASKS) { key = value = i; if (do_update) { - assert(bpf_map_update_elem(fd, &key, &value, - BPF_NOEXIST) == 0); - assert(bpf_map_update_elem(fd, &key, &value, - BPF_EXIST) == 0); + err = map_update_retriable(fd, &key, &value, BPF_NOEXIST, MAP_RETRIES); + if (err) + printf("error %d %d\n", err, errno); + assert(err == 0); + err = map_update_retriable(fd, &key, &value, BPF_EXIST, MAP_RETRIES); + if (err) + printf("error %d %d\n", err, errno); + assert(err == 0); } else { - assert(bpf_map_delete_elem(fd, &key) == 0); + err = map_delete_retriable(fd, &key, MAP_RETRIES); + if (err) + printf("error %d %d\n", err, errno); + assert(err == 0); } } } diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index 014dedaa4dd2..1e722ee76b1f 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -715,7 +715,7 @@ static void worker_pkt_dump(void) int payload = *((uint32_t *)(pkt_buf[iter]->payload + PKT_HDR_SIZE)); if (payload == EOT) { - ksft_print_msg("End-of-tranmission frame received\n"); + ksft_print_msg("End-of-transmission frame received\n"); fprintf(stdout, "---------------------------------------\n"); break; } @@ -747,7 +747,7 @@ static void worker_pkt_validate(void) } if (payloadseqnum == EOT) { - ksft_print_msg("End-of-tranmission frame received: PASS\n"); + ksft_print_msg("End-of-transmission frame received: PASS\n"); sigvar = 1; break; } diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh index 4d900bc1f76c..5c7700212f75 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh @@ -230,7 +230,7 @@ switch_create() __mlnx_qos -i $swp4 --pfc=0,1,0,0,0,0,0,0 >/dev/null # PG0 will get autoconfigured to Xoff, give PG1 arbitrarily 100K, which # is (-2*MTU) about 80K of delay provision. - __mlnx_qos -i $swp3 --buffer_size=0,$_100KB,0,0,0,0,0,0 >/dev/null + __mlnx_qos -i $swp4 --buffer_size=0,$_100KB,0,0,0,0,0,0 >/dev/null # bridges # ------- |