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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#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){}