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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/net/netdevsim/macsec.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
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
...
Diffstat (limited to 'drivers/net/netdevsim/macsec.c')
| -rw-r--r-- | drivers/net/netdevsim/macsec.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/macsec.c b/drivers/net/netdevsim/macsec.c new file mode 100644 index 000000000..bdc8020d5 --- /dev/null +++ b/drivers/net/netdevsim/macsec.c @@ -0,0 +1,351 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <net/macsec.h> +#include "netdevsim.h" + +static int nsim_macsec_find_secy(struct netdevsim *ns, sci_t sci) +{ + int i; + + for (i = 0; i < NSIM_MACSEC_MAX_SECY_COUNT; i++) { + if (ns->macsec.nsim_secy[i].sci == sci) + return i; + } + + return -1; +} + +static int nsim_macsec_find_rxsc(struct nsim_secy *ns_secy, sci_t sci) +{ + int i; + + for (i = 0; i < NSIM_MACSEC_MAX_RXSC_COUNT; i++) { + if (ns_secy->nsim_rxsc[i].sci == sci) + return i; + } + + return -1; +} + +static int nsim_macsec_add_secy(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + int idx; + + if (ns->macsec.nsim_secy_count == NSIM_MACSEC_MAX_SECY_COUNT) + return -ENOSPC; + + for (idx = 0; idx < NSIM_MACSEC_MAX_SECY_COUNT; idx++) { + if (!ns->macsec.nsim_secy[idx].used) + break; + } + + if (idx == NSIM_MACSEC_MAX_SECY_COUNT) { + netdev_err(ctx->netdev, "%s: nsim_secy_count not full but all SecYs used\n", + __func__); + return -ENOSPC; + } + + netdev_dbg(ctx->netdev, "%s: adding new secy with sci %016llx at index %d\n", + __func__, sci_to_cpu(ctx->secy->sci), idx); + ns->macsec.nsim_secy[idx].used = true; + ns->macsec.nsim_secy[idx].nsim_rxsc_count = 0; + ns->macsec.nsim_secy[idx].sci = ctx->secy->sci; + ns->macsec.nsim_secy_count++; + + return 0; +} + +static int nsim_macsec_upd_secy(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: updating secy with sci %016llx at index %d\n", + __func__, sci_to_cpu(ctx->secy->sci), idx); + + return 0; +} + +static int nsim_macsec_del_secy(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: removing SecY with SCI %016llx at index %d\n", + __func__, sci_to_cpu(ctx->secy->sci), idx); + + ns->macsec.nsim_secy[idx].used = false; + memset(&ns->macsec.nsim_secy[idx], 0, sizeof(ns->macsec.nsim_secy[idx])); + ns->macsec.nsim_secy_count--; + + return 0; +} + +static int nsim_macsec_add_rxsc(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + struct nsim_secy *secy; + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + secy = &ns->macsec.nsim_secy[idx]; + + if (secy->nsim_rxsc_count == NSIM_MACSEC_MAX_RXSC_COUNT) + return -ENOSPC; + + for (idx = 0; idx < NSIM_MACSEC_MAX_RXSC_COUNT; idx++) { + if (!secy->nsim_rxsc[idx].used) + break; + } + + if (idx == NSIM_MACSEC_MAX_RXSC_COUNT) + netdev_err(ctx->netdev, "%s: nsim_rxsc_count not full but all RXSCs used\n", + __func__); + + netdev_dbg(ctx->netdev, "%s: adding new rxsc with sci %016llx at index %d\n", + __func__, sci_to_cpu(ctx->rx_sc->sci), idx); + secy->nsim_rxsc[idx].used = true; + secy->nsim_rxsc[idx].sci = ctx->rx_sc->sci; + secy->nsim_rxsc_count++; + + return 0; +} + +static int nsim_macsec_upd_rxsc(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + struct nsim_secy *secy; + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + secy = &ns->macsec.nsim_secy[idx]; + + idx = nsim_macsec_find_rxsc(secy, ctx->rx_sc->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in RXSC table\n", + __func__, sci_to_cpu(ctx->rx_sc->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: updating RXSC with sci %016llx at index %d\n", + __func__, sci_to_cpu(ctx->rx_sc->sci), idx); + + return 0; +} + +static int nsim_macsec_del_rxsc(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + struct nsim_secy *secy; + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + secy = &ns->macsec.nsim_secy[idx]; + + idx = nsim_macsec_find_rxsc(secy, ctx->rx_sc->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in RXSC table\n", + __func__, sci_to_cpu(ctx->rx_sc->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: removing RXSC with sci %016llx at index %d\n", + __func__, sci_to_cpu(ctx->rx_sc->sci), idx); + + secy->nsim_rxsc[idx].used = false; + memset(&secy->nsim_rxsc[idx], 0, sizeof(secy->nsim_rxsc[idx])); + secy->nsim_rxsc_count--; + + return 0; +} + +static int nsim_macsec_add_rxsa(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + struct nsim_secy *secy; + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + secy = &ns->macsec.nsim_secy[idx]; + + idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in RXSC table\n", + __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: RXSC with sci %016llx, AN %u\n", + __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num); + + return 0; +} + +static int nsim_macsec_upd_rxsa(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + struct nsim_secy *secy; + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + secy = &ns->macsec.nsim_secy[idx]; + + idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in RXSC table\n", + __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: RXSC with sci %016llx, AN %u\n", + __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num); + + return 0; +} + +static int nsim_macsec_del_rxsa(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + struct nsim_secy *secy; + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + secy = &ns->macsec.nsim_secy[idx]; + + idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in RXSC table\n", + __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: RXSC with sci %016llx, AN %u\n", + __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num); + + return 0; +} + +static int nsim_macsec_add_txsa(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: SECY with sci %016llx, AN %u\n", + __func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num); + + return 0; +} + +static int nsim_macsec_upd_txsa(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: SECY with sci %016llx, AN %u\n", + __func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num); + + return 0; +} + +static int nsim_macsec_del_txsa(struct macsec_context *ctx) +{ + struct netdevsim *ns = netdev_priv(ctx->netdev); + int idx; + + idx = nsim_macsec_find_secy(ns, ctx->secy->sci); + if (idx < 0) { + netdev_err(ctx->netdev, "%s: sci %016llx not found in secy table\n", + __func__, sci_to_cpu(ctx->secy->sci)); + return -ENOENT; + } + + netdev_dbg(ctx->netdev, "%s: SECY with sci %016llx, AN %u\n", + __func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num); + + return 0; +} + +static const struct macsec_ops nsim_macsec_ops = { + .mdo_add_secy = nsim_macsec_add_secy, + .mdo_upd_secy = nsim_macsec_upd_secy, + .mdo_del_secy = nsim_macsec_del_secy, + .mdo_add_rxsc = nsim_macsec_add_rxsc, + .mdo_upd_rxsc = nsim_macsec_upd_rxsc, + .mdo_del_rxsc = nsim_macsec_del_rxsc, + .mdo_add_rxsa = nsim_macsec_add_rxsa, + .mdo_upd_rxsa = nsim_macsec_upd_rxsa, + .mdo_del_rxsa = nsim_macsec_del_rxsa, + .mdo_add_txsa = nsim_macsec_add_txsa, + .mdo_upd_txsa = nsim_macsec_upd_txsa, + .mdo_del_txsa = nsim_macsec_del_txsa, +}; + +void nsim_macsec_init(struct netdevsim *ns) +{ + ns->netdev->macsec_ops = &nsim_macsec_ops; + ns->netdev->features |= NETIF_F_HW_MACSEC; + memset(&ns->macsec, 0, sizeof(ns->macsec)); +} + +void nsim_macsec_teardown(struct netdevsim *ns) +{ +} |
