From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- net/802/fc.c | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 net/802/fc.c (limited to 'net/802/fc.c') diff --git a/net/802/fc.c b/net/802/fc.c new file mode 100644 index 000000000..afd3d288a --- /dev/null +++ b/net/802/fc.c @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * NET3: Fibre Channel device handling subroutines + * + * Vineet Abraham + * v 1.0 03/22/99 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Put the headers on a Fibre Channel packet. + */ + +static int fc_header(struct sk_buff *skb, struct net_device *dev, + unsigned short type, + const void *daddr, const void *saddr, unsigned int len) +{ + struct fch_hdr *fch; + int hdr_len; + + /* + * Add the 802.2 SNAP header if IP as the IPv4 code calls + * dev->hard_header directly. + */ + if (type == ETH_P_IP || type == ETH_P_ARP) + { + struct fcllc *fcllc; + + hdr_len = sizeof(struct fch_hdr) + sizeof(struct fcllc); + fch = skb_push(skb, hdr_len); + fcllc = (struct fcllc *)(fch+1); + fcllc->dsap = fcllc->ssap = EXTENDED_SAP; + fcllc->llc = UI_CMD; + fcllc->protid[0] = fcllc->protid[1] = fcllc->protid[2] = 0x00; + fcllc->ethertype = htons(type); + } + else + { + hdr_len = sizeof(struct fch_hdr); + fch = skb_push(skb, hdr_len); + } + + if(saddr) + memcpy(fch->saddr,saddr,dev->addr_len); + else + memcpy(fch->saddr,dev->dev_addr,dev->addr_len); + + if(daddr) + { + memcpy(fch->daddr,daddr,dev->addr_len); + return hdr_len; + } + return -hdr_len; +} + +static const struct header_ops fc_header_ops = { + .create = fc_header, +}; + +static void fc_setup(struct net_device *dev) +{ + dev->header_ops = &fc_header_ops; + dev->type = ARPHRD_IEEE802; + dev->hard_header_len = FC_HLEN; + dev->mtu = 2024; + dev->addr_len = FC_ALEN; + dev->tx_queue_len = 100; /* Long queues on fc */ + dev->flags = IFF_BROADCAST; + + memset(dev->broadcast, 0xFF, FC_ALEN); +} + +/** + * alloc_fcdev - Register fibre channel device + * @sizeof_priv: Size of additional driver-private structure to be allocated + * for this fibre channel device + * + * Fill in the fields of the device structure with fibre channel-generic values. + * + * Constructs a new net device, complete with a private data area of + * size @sizeof_priv. A 32-byte (not bit) alignment is enforced for + * this private data area. + */ +struct net_device *alloc_fcdev(int sizeof_priv) +{ + return alloc_netdev(sizeof_priv, "fc%d", NET_NAME_UNKNOWN, fc_setup); +} +EXPORT_SYMBOL(alloc_fcdev); -- cgit v1.3.1